/[thuban]/branches/WIP-pyshapelib-bramz/ChangeLog

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-revision 55 by bh,
Tue Sep 11 11:45:27 2001 UTC
+revision 1461 by bh,
Fri Jul 18 15:23:52 2003 UTC
 Line 1
+-07-18  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/view.py (MapCanvas.OnLeftDown): Capture the mouse.
+-07-18  Bernhard Herzog  <[email protected]>
+         * test/runtests.py: The test suite can now be run without an X
+         connection. To make sure this remains true, remove the DISPLAY
+         environment variable so that an error occurs if the wxGTK is
+         imported accidentally
+-07-18  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/viewport.py: Remove unused imports
+         * Thuban/UI/view.py: Remove unused imports
+-07-18  Bernhard Herzog  <[email protected]>
+         * test/test_export.py Remove unused imports. The OutputTransform
+         function is now in viewport.py and is called output_transform
+         (TestScalebar.test_output_transform)
+         (TestScalebar.test_OutputTransform): Renamed to
+         test_output_transform and updated to use output_transform instead
+         of OutputTransform
+         * Thuban/UI/view.py (OutputTransform): Moved to viewport.py and
+         renamed.
+         (MapCanvas.Export, MapPrintout.draw_on_dc): OutputTransform was
+         renamed to output_transform
+         * Thuban/UI/viewport.py (OutputTransform, output_transform):
+         Rename to output_transform
+-07-18  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/layer.py (Layer.__init__): Rename
+         classificationField to classificatin_column and init it here so
+         that it can be used in SetClassificationColumn
+         (Layer.GetClassificationColumn, Layer.GetClassificationField):
+         Rename to GetClassificationColumn.
+         (Layer.SetClassificationColumn, Layer.SetClassificationField):
+         Rename to SetClassificationColumn and issue a LAYER_CHANGED
+         message if the column changes.
+         (Layer._classification_changed, Layer.ClassChanged): Rename to
+         _classification_changed. Update the callers.
+         (Layer.SetShapeStore): Further field->column renames.
+         * Thuban/Model/load.py (SessionLoader.start_classification)
+         (SessionLoader.start_clpoint): Updates because of
+         field->column method name changes in the Layer class
+         * Thuban/Model/save.py (SessionSaver.write_classification): Updates
+         because of field->column method name changes in the Layer class
+         * Thuban/UI/classifier.py (Classifier.__init__)
+         (Classifier._OnTry, Classifier._OnRevert): Updates because of
+         field->column method name changes in the Layer class
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Updates
+         because of field->column method name changes in the Layer class
+         * Thuban/UI/viewport.py (ViewPort.find_shape_at): Updates because
+         of field->column method name changes in the Layer class
+         * test/test_save.py (SaveSessionTest.testClassifiedLayer)
+         (SaveSessionTest.testClassifiedLayer): Update because of
+         field->column method name changes in the Layer class
+         * test/test_layer.py (SetShapeStoreTests.setUp)
+         (SetShapeStoreTests.test_sanity): Update because of field->column
+         method name changes in the Layer class
+         (TestLayerModification.setUp): Subscribe to LAYER_CHANGED as well
+         (TestLayerModification.test_sanity)
+         (TestLayerModification.test_initial_settings): remove unsued code
+         and rename to test_sanity.
+         (TestLayerModification.test_set_classification): New test for
+         SetClassification and SetClassificationField.
+-07-18  Bernhard Herzog  <[email protected]>
+         * test/test_classgen.py (TestFixedRamp.test): Extend test to check
+         the non-fixed values as well. The old test would have accepted a
+         fixed ramp that only returnes the fixed properties
+-07-17  Jonathan Coles   <[email protected]>
+         * Doc/manual/mainwindow.png, Doc/manual/mainwindow.xcf: Screen
+         shots for the manual. The XCF file is the source image and
+         has additional layers to support changes.
+         * Doc/manual/thuban-manual.xml: Wrote an initial Introduction.
+         * Thuban/UI/classifier.py (Classifier.__BuildClassification):
+         Return both the new class and the field name.
+         * Thuban/UI/mainwindow.py (MainWindow.ToggleLegend): Don't
+         fit the map to the window as this changes any zoom level that
+         the user may have set.
+-07-16  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classgen.py (generate_singletons,
+         generate_uniform_distribution, generate_quantiles): Remove
+         fixes parameter, but maintain the same functionality by having
+         the calling function pass a FixedRamp object for the ramp.
+         (FixedRamp): New. Adapts a ramp to have fixed property values.
+         * Thuban/Model/classification.py: Use new CLASS_CHANGED message.
+         (Classification): Inherit from Publisher.
+         (Classification.__init__): Remove the layer parameter.
+         Classifications no longer need to have a parent layer.
+         (Classification.GetField, Classification.GetFieldType,
+         Classification.SetFieldInfo): Removed. The field name is stored
+         in the layer, and the type can be retreived by calling
+         Layer.GetFieldType().
+         (Classification._set_layer, Classification.GetLayer): Removed.
+         Classifications no longer have a parent layer.
+         * Thuban/Model/layer.py (Layer.Destroy): Unsubscribe from the
+         classification.
+         (Layer.SetShapeStore): Reset the classification first while
+         we still have the old shape store to work with.
+         (Layer.GetClassificationField, Layer.SetClassificationField):
+         New. Method for getting/setting the field to classify on.
+         (Layer.SetClassification): Simplified now that the layer
+         simply has to hold a reference to the classification and not
+         tell the classification who owns it.
+         Fixes RTbug #2023.
+         * Thuban/Model/load.py (SessionLoader.start_classification):
+         Set the field name on the layer, not the classification.
+         * Thuban/Model/messages.py: Add CLASS_CHANGED for when a
+         classification is modified.
+         * Thuban/Model/save.py (SessionSaver.write_classification):
+         Get the field name and type from the layer.
+         * Thuban/Model/table.py (table_to_dbf, table_to_csv): Renamed
+         parameter records to rows and add docstring. Fixes RTbug #1997.
+         * Thuban/UI/classgen.py (ClassGenDialog.OnOK): Use a fixed
+         ramp when we need to fix certain values of a ramp rather than
+         using the old fixes parameter. Fixes RTbug #2024.
+         * Thuban/UI/classifier.py (ClassGrid.CreateTable): Add fieldType
+         parameter.
+         (ClassTable.Reset): Add fieldType parameter and use it, rather
+         than asking the classification.
+         (Classifier.__init__): Remember the original class's field
+         and ask the layer for the field type, rather than the classification.
+         (Classifier.__SetGridTable): Retrieve the field and field type
+         for the table because they are not in the classification.
+         (Classifier._OnTry, Classifier._OnRevert): Set the classification
+         field on the layer in addition to the classification itself.
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Get the
+         classification field from layer.
+         * Thuban/UI/viewport.py (ViewPort.find_shape_at): Get the
+         classification field from layer. Split up tests and remove
+         *-imports. Fixes RTbug #1992.
+         * test/test_classgen.py (TestFixedRamp): Test for the FixedRamp class.
+         * test/test_classification.py
+         (TestClassification.test_classification): Remove tests for methods
+         that no longer exist.
+         * test/test_layer.py (SetShapeStoreTests.setUp): Classification
+         __init__ no longer has a field parameter, use SetClassificationField.
+         (SetShapeStoreTests.test_sanity): Use layer object to get class
+         field info.
+         * test/test_save.py (SaveSessionTest.testClassifiedLayer): Use
+         SetClassificationField on layer to set class field info.
+         * test/test_viewport.py: Renamed from test/test_view.py.
+-07-16  Jan-Oliver Wagner <[email protected]>
+         * Doc/manual/thuban-manual.xml: Added authors and an initial
+         coarse structure.
+-07-15  Bernhard Herzog  <[email protected]>
+         * test/support.py (FloatComparisonMixin): This is a mix-in class
+         and therefore should not be derived from any other class.
+         * test/test_range.py (RangeTest): FloatComparisonMixin is a
+         mix-in, so derive from TestCase as well.
+-07-15  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Rework the
+         draw_func handling a bit to remove one layer of indirection. This
+         makes the renderer about 10% faster in the non-classifying case
+         and the code a bit cleaner
+         (MapRenderer.draw_point_shape): Add the pen and brush parameters
+         and set them in the dc. Now the draw_point_shape method and
+         wxproj's draw_polygon_shape function have basically the same
+         signature so that both can be directly used as draw_func
+-07-15  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/save.py (SessionSaver.write_classification): Encode
+         string values (in addition to the labels) as UTF 8
+         * Thuban/Model/load.py (SessionLoader.start_clpoint): Decode the
+         values if the field type is string
+         * test/test_save.py (SaveSessionTest.testClassifiedLayer): Test
+         saving a session with non-ascii string classification values.
+         * test/test_load.py (TestClassification.file_contents)
+         (TestClassification.test): Check for non-ascii values in string
+         classifications
+-07-14  Jonathan Coles   <[email protected]>
+         * test/test_view.py: New. Tests for ViewPort.
+-07-14  Frank Koormann   <[email protected]>
+         * Thuban/Model/load.py (SessionLoader.start_map): Encode map
+         title to latin1.  Fixes https://intevation.de/rt/webrt?serial_num=2013
+         * test/test_load_0_8.py (TestUnicodeStrings): New, test load of
+         unicode strings from session file: session title, map title and
+         projection name.
+-07-10  Jonathan Coles   <[email protected]>
+         * Thuban/UI/viewport.py (Tool.MouseUp): Should have called
+         drag_stop, not drag_move when the mouse is released.
+-07-10  Jonathan Coles   <[email protected]>
+         The most important part of this is the seperation of view.py into
+         two pieces. viewport.py now has a class called ViewPort which
+         contains all the non-wx parts of view.py and can therefore be
+         tested. view.py contains only the wx-specific parts and is fairly
+         simple.
+         * Thuban/UI/view.py: Stripped out all non-wx functionality. Fixes
+         RTTbug #1992.
+         * Thuban/UI/viewport.py: New. Contains non-wx view functionality.
+         RTTbug #1992.
+         * Thuban/Model/classgen.py (generate_singletons,
+         generate_uniform_distribution, generate_quantiles):
+         Added 'fixes' parameter so that property attributes can
+         be held constant over the generated classification groups.
+         (CustomRamp.GetProperties): Remove unused variables.
+         * Thuban/Model/map.py (Map.SetProjection): Send the old
+         projection as an argument to listeners of the MAP_PROJECTION_CHANGED
+         event.
+         * Thuban/Model/table.py (table_to_dbf, table_to_csv): Added 'records'
+         parameter which is a list of records that restricts which
+         records are saved. Fixes RTbug #1997.
+         * Thuban/UI/application.py (ThubanApplication.ShowExceptionDialog):
+         Port exception dialog from GREAT-ER. Fixes RTbug #1993.
+         * Thuban/UI/classgen.py (ClassGenDialog.__init__): Add controls
+         to allow the user to fix line color/width on generated groups.
+         (ClassGenDialog.OnOK): Use new 'fixes' parameter of the generate_*
+         functions to optionally fix group properties.
+         * Thuban/UI/main.py (main): Set exception hook to the
+         ShowExceptionDialog. Fixes RTbug #1993.
+         * Thuban/UI/mainwindow.py (MainWindow.ShowTableView): Raise
+         the table window when it is selectd to be shown.
+         * Thuban/UI/tableview.py (QueryTableFrame.__init__): Add an
+         Export Selection button and move the export buttons underneath
+         the table.
+         (QueryTableFrame.UpdateStatusText): Added event argument so
+         that it can respond to grid selection events. The status text
+         is now updated even when the table is not associated with a
+         layer as was previously assumed.
+         (QueryTableFrame.OnGridSelectRange, OnGridSelectCell): Removed.
+         UpdateStatusText responds to these events.
+         (QueryTableFrame.OnSaveAs): Renamed to doExport.
+         (QueryTableFrame.doExport): Helper function that saves the
+         entire table, or selected rows, to a file.
+         (QueryTableFrame.OnExport, QueryTableFrame.OnExportSel): New.
+         Respond to export button events and call doExport.
+         * extensions/thuban/gdalwarp.cpp (ProjectRasterFile): Make sure
+         the function doesn't return NULL without first setting a Python
+         Error.
+         * test/runtests.py (main): Only print "Unknown option" for
+         unsupported options.
+         * test/support.py (FloatComparisonMixin.assertFloatEqual): Take
+         optional epsilon argument to specify floating point accuracy.
+         (FloatComparisonMixin.assertFloatSeqEqual): Call assertFloatEqual
+         for each item test.
+         * test/test_csv_table.py (TestCSVTable.test_table_to_cvs): Add
+         tests for saving selected records.
+         * test/test_dbf_table.py (TestTableToDBF.test_table_to_dbf): Add
+         tests for saving selected records.
+         * test/test_map.py (TestMapWithContents.test_set_projection):
+         MAP_PROJECTION_CHANGED events send the old projection.
+         * test/test_session.py
+         (TestSessionWithContent.test_forward_map_projection):
+         MAP_PROJECTION_CHANGED events send the old projection.
+         * test/test_table.py (TableTest): Update tests to use non-deprecated
+         functions.
+-07-08  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/transientdb.py (TransientTableBase.Width): The type
+         constants in the column objects are the standard ones defined in
+         the table module.
+         * test/test_transientdb.py
+         (TestTransientTable.test_transienttable_to_dbf): New. Test whether
+         exporting transient tables as DBF works. This should catch the bug
+         just fixed in TransientTableBase.Width.
+-07-08  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/classgen.py (CustomRamp.GetProperties): Compute the
+         interpolated colors correctly.
+         * test/test_classgen.py (TestCustomRamp.test_color_interpolation):
+         New. Test case for the fix in classgen.py
+-07-08  Bernhard Herzog  <[email protected]>
+         * test/runtests.py (main): Make the default output less verbose
+         and add a verbosity option (-v) to get the old output
+-07-08  Bernhard Herzog  <[email protected]>
+         * Resources/XML/thuban-0.9.dtd: New. This will become the DTD for
+.9.
+         * Thuban/Model/transientdb.py (TransientJoinedTable.JoinType):
+         New. Return the join type
+         * Thuban/Model/save.py (SessionSaver.write_session): Use new 0.9
+         DTD
+         (SessionSaver.write_data_containers): Save the join type for
+         joined tables
+         * Thuban/Model/load.py (SessionLoader.__init__): Add the new 0.9
+         namespace
+         (SessionLoader.start_jointable): Handle the jointype attribute
+         * test/test_load_0_8.py: New. Effectively a copy of test_load.py
+         as of Thuban 0.8. These are now tests to determine whether Thuban
+         can still read files generated by Thuban 0.8
+         * test/test_load.py (LoadSessionTest.dtd)
+         (TestSingleLayer.file_contents)
+         (TestLayerVisibility.file_contents, TestLabels.file_contents)
+         (TestLayerProjection.file_contents)
+         (TestRasterLayer.file_contents, TestJoinedTable.file_contents)
+         (TestJoinedTable.file_contents)
+         (TestLoadError.file_contents): Update for new DTD
+         (TestJoinedTable.file_contents, TestJoinedTable.setUp): Add test
+         for new join type attribute
+         * test/test_save.py (SaveSessionTest.dtd)
+         (SaveSessionTest.testEmptySession)
+         (SaveSessionTest.testSingleLayer)
+         (SaveSessionTest.testLayerProjection)
+         (SaveSessionTest.testRasterLayer)
+         (SaveSessionTest.testClassifiedLayer)
+         (SaveSessionTest.test_dbf_table)
+         (SaveSessionTest.test_joined_table): Update for new DTD
+         (SaveSessionTest.test_joined_table): Add test for new join type
+         attribute
+-07-04  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/table.py (_find_dbf_column_names): New. Helper
+         function for table_to_dbf
+         (table_to_dbf): Deal with names longer than the 10 character limit
+         * test/test_dbf_table.py (TestTableToDBF.test_table_to_dbf): Add
+         doc-string
+         (TestTableToDBF.test_table_to_dbf_long_col_names): New test for
+         long column names
+-07-03  Bernhard Herzog  <[email protected]>
+         * Doc/manual/thuban-manual.xml: Fix the CVS Revision Tag syntax
+-07-03  Bernhard Herzog  <[email protected]>
+         * Doc/manual/thuban-manual.xml, Doc/manual/README: New. Skeleton
+         for the Thuban manual and README with some basic information about
+         the manual
+-07-03  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/transientdb.py (TransientJoinedTable.__init__):
+         Update doc-string
+         (TransientJoinedTable.create): Do not modify the column objects of
+         the input tables in place and copy all columns of the input tables
+         into the joined table after all.
+         * test/test_transientdb.py
+         (TestTransientTable.test_transient_joined_table_same_column_name):
+         Update to reflect the new behavior
+         (TestTransientTable.test_transient_joined_table_with_equal_column_names):
+         Update to reflect the new behavior
+         (TestTransientTable.test_transient_joined_table_name_collisions_dont_modify_in_place):
+         New test case for a bug which modified the column objects in place
+-07-02  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classgen.py (generate_singletons,
+         generate_uniform_distribution, generate_quantiles,
+         GenQuantiles0): Make sure maxValue isn't less than
+         one, otherwise we could divide by zero.
+         * test/test_classgen.py (ClassGenTest.doClassRangeTest,
+         ClassGenTest.doClassSingleTest): Call doBoundsTest to
+         check the end classification groups against the
+         proper property values.
+         (ClassGenTest.doBoundsTest): New. Checks the first and
+         last classification groups to make sure their properties
+         are the correct upper and lower bounds for a color ramp.
+-07-02  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classgen.py (generate_singletons,
+         generate_uniform_distribution, generate_quantiles,
+         GenQuantiles0): The denominator was one to high when
+         calculating the index for the ramp causing the index
+         to never to reach one.
+-07-02  Jonathan Coles   <[email protected]>
+         Changed the singature of ClassGroupRange.__init__ and
+         ClassGroupRange.SetRange() so that the min/max values are
+         passed as a tuple. This makes a better calling scheme for
+         when a Range object is passed instead.
+         * Thuban/Model/classgen.py: Fixed parameters to
+         ClassGroupRange constructor.
+         * Thuban/Model/classification.py (ClassGroupRange.__init__):
+         Consolidate the min/max parameters into a single _range which
+         can either be a tuple or a Range object.
+         (ClassGroupRange.SetRange): Consolidate the min/max parameters
+         into a single _range which can either be a tuple or a Range object.
+         * Thuban/Model/load.py (SessionLoader.start_clrange): Fix
+         call to ClassGroupRange constructor to use a tuple.
+         * Thuban/Model/layer.py (Layer.SetClassification): Switch
+         the classification instance variable to the new class
+         before calling _set_layer otherwise subscribers to a
+         LAYER_CHANGED event will not see any difference.
+         * test/test_classification.py: Fix tests of ClassGroupRange
+         so that they use the new signature.
+         * test/test_load.py: Fix use of ClassGroupRange so that it
+         uses the new signature.
+         * test/test_load_0_2.py: Fix use of ClassGroupRange so that it
+         uses the new signature.
+         * test/test_save.py: Fix use of ClassGroupRange so that it
+         uses the new signature.
+-07-01  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classgen.py: Fixes RTbug #1972, 1971.
+         Import used objects/class from color.
+         (generate_singletons): We don't
+         need the numGroups parameter anymore because we are using
+         the new ramps with GetProperties().
+         (generate_uniform_distribution): Use new ramp method
+         GetProperties().
+         (generate_quantiles, GenQuantiles0): Use new ramp method
+         GetProperties().
+         (CustomRamp.SetNumGroups): Removed. The ramps now map
+         a value from 0 to 1 to class properties so the number
+         of groups is not needed ahead of time.
+         (CustomRamp.next): Removed. CustomRamp does not support
+         interation anymore.
+         (CustomRamp.GetProperties): Returns a ClassGroupProperties
+         object based on the index value from 0 to 1 that is
+         passed to it.
+         (GreyRamp, RedRamp, GreenRamp, BlueRamp, GreenToRedRamp):
+         Made into instances of Monochromatic class instread of
+         deriving from it.
+         (HotToCold.SetNumGroups): Removed. See CustomRamp.
+         (HotToCold.next): Removed. See CustomRamp.
+         * Thuban/Model/classification.py: Fixes RTbug #1973, 1971.
+         (Classification.SetField, Classification.SetFieldType):
+         Replaced with SetFieldInfo.
+         (Classification.SetFieldInfo): New. Does a better job of
+         what SetField and SetFieldType used to do by combining
+         their function since they should really always be done
+         at the same time.
+         (Classification.SetLayer): Renamed to _set_layer.
+         (Classification._set_layer): Should only be called from
+         Layer's SetClassification. This does not cause a recursive
+         call as SetLayer did because we know that Layer knows about
+         the classification.
+         * Thuban/Model/color.py: Fixes RTbug #1971.
+         (_Transparent): Renamed from Transparent so it doesn't
+         conflict with the module variable.
+         (Transparent, Black): Renamed from Color.Transparent,
+         Color.Black so they are not class variables.
+         * Thuban/Model/layer.py: Fixes RTbug #1971, 1973.
+         (Layer.Destroy): We don't need to call SetClassification
+         anymore to clear out the back reference in the classifcation
+         to the layer. It's better to set it to None using _set_layer,
+         and we won't be creating another clas object too.
+         (Layer.SetClassification): Classification._set_layer is not
+         recursive so remove all the locking variables. Also clean
+         up the code so that it remains unchanged if something fails.
+         * Thuban/Model/load.py: Fixes RTbug #1971.
+         (SessionLoader.start_classification): Call
+         Classification.SetFieldInfo().
+         * Thuban/Model/save.py: Removed import of Color which wasn't
+         being used.
+         * Thuban/UI/classgen.py: Fixes RTbug #1972.
+         (ClassGenDialog.__init__): Color ramps are now instances
+         already so we don't need to create any new objects.
+         (ClassGenDialog.OnOK): Check for numGroups is no longer
+         necessary because we never use it.
+         * Thuban/UI/classifier.py: Fixes RTbug #1971.
+         (Classifier.__BuildClassification, Classifier.__SetGridTable):
+         Call Classification.SetFieldInfo() instead of SetFieldType.
+         * Thuban/UI/renderer.py: Fixes RTbug #1971.
+         * Thuban/UI/view.py: Fixes RTbug #1974, 1971.
+         (MapCanvas.__init__): Subscribe to the idle time event. Set
+         background color to white.
+         (MapCanvas.OnPaint): Set a flag indicating that we should
+         render the map during idle time. If we already have a bitmap
+         just draw it now.
+         (MapCanvas.OnIdle): New. Render the map only during idle time.
+         This also fixes a problem with the busy cursor under gtk.
+         * test/test_classgen.py (ClassGenTest.test_generate_singletons):
+         Fix calls to generate_singletons because the signature changed.
+         * test/test_classification.py: Fix color references and
+         change calls to Classification.[SetField|SetFieldType] to
+         SetFieldInfo.
+         * test/test_load.py: Fix color references.
+         * test/test_load_0_2.py: Fix color references.
+         * test/test_save.py (SaveSessionTest.testClassifiedLayer):
+         Change calls to Classification.[SetField|SetFieldType] to
+         SetFieldInfo.
+-07-01  Frank Koormann   <[email protected]>
+         MERGE from the greater-ms3 branch.
+         * test/test_transientdb.py
+         (TestTransientTable.test_transient_joined_table_with_equal_column_names):
+         New. Test join of two tables with partly equal column names.
+         * Thuban/Model/transientdb.py (TransientJoinedTable.create):
+         If duplicates in left and right tables column names are found,
+         append '_' (underscores) to the name until it is unique.
+         Create always new internal names for the resulting table and reference
+         columns in the join statement with <table>.<column>
+-07-01  Bernhard Herzog  <[email protected]>
+         * test/test_transientdb.py
+         (TestTransientTable.test_transient_joined_table_same_column_name):
+         New. Test whether joining on columns with the same names in both
+         tables works.
+         * Thuban/Model/transientdb.py (TransientJoinedTable.create): Make
+         sure to use the right internal names even when joining on field
+         with the same names in both tables. Also, detect duplicate names
+         in the joined table correctly.
+-07-01  Frank Koormann   <[email protected]>
+         * Thuban/UI/renderer.py (ExportRenderer.render_legend):
+         Reverse List of layers to render in same order as in desktop legend.
+-06-30  Jonathan Coles   <[email protected]>
+         * Thuban/version.py (make_tuple): Takes a version string
+         and splits it into a tuple of at most three integers.
+         Used make_tuple() to make tuple versions of the version
+         numbers.
+         * Thuban/UI/about.py: Add Thuban email addresses.
+-06-30  Jonathan Coles   <[email protected]>
+         * Thuban/version.py: SQLite/PySQLite version dependencies
+         were too high.
+-06-30  Jonathan Coles   <[email protected]>
+         * Thuban/version.py: Update version to 0.8.1
+         * MANIFEST.in: Added Projections so that default.proj is
+         included.
+-06-26  Jonathan Coles   <[email protected]>
+         New About box with lots more information including library
+         versions and credits. More/better version checking before
+         Thuban starts.
+         * Thuban/UI/about.py: New. New About box that displays
+         library version information and credits.
+         * Thuban/version.py: Added new 'versions' dictionary which
+         contains the verions of various libraries which are checked
+         when the module loads.
+         (verify_versions): Check all version numbers and returns
+         a list of errors.
+         * Thuban/UI/classifier.py (Classifier.__EnableButtons):
+         Reset the status of the buttons as the situation warrants,
+         but in a better more reliable way by not relying on the
+         current status to determine what needs to change.
+         * Thuban/UI/main.py (wxCHECK_VERSION): Removed. Not needed.
+         (verify_versions): Remove most of the code since it is
+         now in Thuban.version.verify_versions.o
+         * Thuban/UI/mainwindow.py (MainWindow.About): Call new
+         About box in Thuban.UI.about.
+         * extensions/thuban/gdalwarp.cpp (get_gdal_version): New.
+         Returns the version of gdal library being used as a string.
+         * extensions/thuban/wxproj.cpp (check_version, check_version_gtk):
+         Removed.
+         (get_proj_version): Return the version of PROJ that the file
+         was compiled with.
+         (get_gtk_version): Return th version of GTK that the file
+         was compiled with.
+-06-25  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classifier.py (Classifier.EditSymbol): The parent
+         of the SelectPropertiesDialog should be self so the window
+         appears on top.
+         (ClassGroupPropertiesCtrl.DoEdit): The parent
+         of the SelectPropertiesDialog should be self so the window
+         appears on top.
+         * Thuban/UI/resource.py: Cleaned up how we determine file
+         extensions.
+         (GetImageResource): Return an wxImage from our Resources.
+-06-24  Jonathan Coles   <[email protected]>
+         * Thuban/UI/renderer.py (ExportRenderer.render_legend):
+         Check that a layer has a classification before trying
+         to get it. Raster layers don't have classifications.
+-06-23  Jonathan Coles   <[email protected]>
+         * setup.py: Add Resources/XML to resource list.
+-06-23  Jonathan Coles   <[email protected]>
+         * setup.cfg: Fix copyright dates
+-06-23  Jonathan Coles   <[email protected]>
+         * MANIFEST.in: Update with Resources/XML
+         * setup.py: Don't include Locale resources yet as we don't
+         have any and it causes problems building the distribution
+         for Windows. Update version to 0.8.0.
+         * Doc/thuban.dtd: Removed since it is now in Resources/XML.
+         * Thuban/UI/mainwindow.py: Add blank line at the end because
+         file was not being read correctly building the Windows
+         distribution.
+-06-23  Jonathan Coles   <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.About): Fix text.
+         * Thuban/version.py: Temporarily update longversion for
+         the 0.8 release so that it doesn't have the cvs revision.
+-06-23  Jonathan Coles   <[email protected]>
+         * Thuban/UI/common.py (ThubanBeginBusyCursor): Call wxSafeYield
+         to make sure that we don't create reentrant possibilities with
+         wxYield.
+         * Thuban/UI/view.py (MapCanvas.OnPaint): Call wxBeginBusyCursor()
+         directly to avoid the wxSafeYield() call which generates an
+         OnPaint event causing infinite recursion. Don't try to catch
+         exception anymore. This was for before there were limits on map
+         scaling.
+-06-23  Bernhard Herzog  <[email protected]>
+         Bug fix for RT #1961:
+         * Thuban/Model/load.py (SessionLoader.start_derivedshapesource):
+         Register DerivedShapestores with the session
+         * Thuban/Model/session.py (Session.Tables): Make sure each table
+         is only listed once.
+         * test/test_load.py (TestJoinedTable.test): Add check_format call.
+         Update file contents to match the one written out.
+-06-20  Bernhard Herzog  <[email protected]>
+         * test/xmlsupport.py (SaxEventLister.startElementNS)
+         (SaxEventLister.endElementNS): Do not include the qname. Python
+.2.1 and 2.2.2 and 2.2.3 differ in this regard. In 2.2.1 qname it
+         is (presumably incorrectly) None, whereas it's a string with the
+         element name in the later versions.
+         * test/test_xmlsupport.py (TestEventList.test_even_list_simple)
+         (TestEventList.test_even_list_namespace): Update tests to reflect
+         the new behaviour
+         (TestEventList.test_even_list_id_normalization): Fix doc-string
+-06-20  Jonathan Coles   <[email protected]>
+         * Thuban/Model/layer.py (BaseLayer.HasShapes): New. Overridden
+         by deriving classes to determine if that layer supports shapes.
+         (Layer): Override HasShapes and return true.
+         * Thuban/UI/classgen.py: Use Thuban[Begin|End]BusyCursor()
+         instead of a direct call to wx[Begin|End]CusyCursor().
+         (GenUniquePanel._OnRetrieve): Set busy cursor while retrieving
+         table data.
+         * Thuban/UI/common.py (ThubanBeginBusyCursor, ThubanEndBusyCursor):
+         New. Wrappers around the wxWindows functions that allow us to
+         make additional calls such as wxYield which gives the native
+         system a chance to update the cursor correctly.
+         * Thuban/UI/tableview.py: Use Thuban[Begin|End]BusyCursor()
+         instead of a direct call to wx[Begin|End]CusyCursor().
+         * Thuban/UI/view.py: Use Thuban[Begin|End]BusyCursor()
+         instead of a direct call to wx[Begin|End]CusyCursor().
+         (MapCanvas.find_shape_at): Check if the current search layer
+         support shapes, otherwise go on to the next layer.
+         * test/test_layer.py: Add tests in each type of layer for
+         HasClassification() and HasShapes()
+-06-20  Jonathan Coles   <[email protected]>
+         * Thuban/UI/view.py (MapCanvas.OnPaint): Call wxYield after
+         turning on the busy cursor to allow the system to change the
+         cursor before we begin painting. This fixes a problem that
+         was occuring only under GTK. Fixes RTbug #1840.
+-06-20  Bernhard Herzog  <[email protected]>
+         * Resources/XML/thuban-0.8.dtd: New DTD for the new file format
+         version.
+         * Thuban/Model/save.py (sort_data_stores): New. Make topological
+         sort of the data sources so they can be written with sources that
+         data sources that depend on other data sources come after the
+         sources they depend on.
+         (SessionSaver.__init__): Add idmap instance variable to map from
+         objects to the ids used in the file.
+         (SessionSaver.get_id, SessionSaver.define_id)
+         (SessionSaver.has_id): New. Methods to manage the idmap
+         (SessionSaver.write): Use thuban-0.8.dtd
+         (SessionSaver.write_session): Add a namespace on the session and
+         write out the data sources before the maps.
+         (SessionSaver.write_data_containers): New. Write the data
+         containers.
+         (SessionSaver.write_layer): Layer elements now refer to a
+         shapestore and don't contain filenames anymore.
+         * Thuban/Model/load.py (LoadError): Exception class to raise when
+         errors in the files are discovered
+         (SessionLoader.__init__): Define dispatchers for elements with a
+         thuban-0.8 namespace too.
+         (SessionLoader.check_attrs): New helper method to check and
+         convert attributes
+         (AttrDesc): New. Helper class for SessionLoader.check_attrs
+         (SessionLoader.start_fileshapesource)
+         (SessionLoader.start_derivedshapesource)
+         (SessionLoader.start_filetable, SessionLoader.start_jointable):
+         Handlers for the new elements in the new fileformat
+         (SessionLoader.start_layer): Handle the shapestore attribute in
+         addition to filename.
+         (SessionLoader.start_table, SessionLoader.end_table): Removed.
+         They were never used in the old formats and aren't needed for the
+         new.
+         * Thuban/Model/session.py (Session.DataContainers): New method to
+         return all "data containers", i.e. shapestores and tables
+         * test/xmlsupport.py (SaxEventLister.__init__)
+         (SaxEventLister.startElementNS, sax_eventlist): Add support to
+         normalize IDs.
+         * test/test_xmlsupport.py
+         (TestEventList.test_even_list_id_normalization): New test case for
+         id normalization
+         * test/test_load.py (LoadSessionTest.check_format): Use ID
+         normalization
+         (LoadSessionTest.thubanids, LoadSessionTest.thubanidrefs): New
+         class atrributes used for ID normalization
+         (TestSingleLayer, TestLayerVisibility, TestLabels.test)
+         (TestLayerProjection.test, TestRasterLayer.test): Adapt to new
+         file format
+         (TestJoinedTable): New test for loading sessions with joined
+         tables.
+         (TestLoadError): New. Test whether missing required attributes
+         cause a LoadError.
+         * test/test_save.py (SaveSessionTest.thubanids)
+         (SaveSessionTest.thubanidrefs): New class attributes for ID
+         normalization in .thuban files.
+         (SaveSessionTest.compare_xml): Use id-normalization.
+         (SaveSessionTest.testEmptySession)
+         (SaveSessionTest.testLayerProjection)
+         (SaveSessionTest.testRasterLayer)
+         (SaveSessionTest.testClassifiedLayer): Adapt to new file format.
+         (SaveSessionTest.testLayerProjection): The filename used was the
+         same as for testSingleLayer. Use a different one.
+         (SaveSessionTest.test_dbf_table)
+         (SaveSessionTest.test_joined_table): New test cases for saving the
+         new data sources structures.
+         (TestStoreSort, MockDataStore): Classes to test the sorting of the
+         data stores for writing.
+         * test/runtests.py: Add CVS keywords
+-06-20  Jonathan Coles   <[email protected]>
+         * test/test_session.py
+         (UnreferencedTablesTests.test_unreferenced_tables_with_joins):
+         Use the cultural_landmark-point.dbf file for the store so that
+         the table rows and shape count match.
+-06-20  Jonathan Coles   <[email protected]>
+         * Thuban/Model/data.py (DerivedShapeStore.__init__): Raise
+         an exception if the number of shapes is different from the
+         number of rows in the table. Address RTbug #1933.
+         * test/test_layer.py (TestLayer.test_derived_store): Add
+         a test for the new exception in DerivedShapeStore.__init__.
+         * test/support.py (FloatTestCase): Removed since there is
+         already FloatComparisonMixin. Fixes RTbug #1954.
+         (FloatComparisonMixin.assertFloatEqual): Include test for
+         infinity that was part of FloatTestCase.
+         * test/test_range.py (RangeTest): Inherit from
+         support.FloatComparisonMixin now that we don't have
+         support.FloatTestCase.
+-06-20  Bernhard Herzog  <[email protected]>
+         * test/test_save.py (SaxEventLister, sax_eventlist): Removed. Use
+         the implementation in xmlsupport instead.
+         (SaveSessionTest.compare_xml): sax_eventlist is now in xmlsupport
+         * test/test_proj.py: Import sax_eventlist from xmlsupport instead
+         of test_save
+-06-20  Bernhard Herzog  <[email protected]>
+         * test/test_load.py (LoadSessionTest.check_format): New helper
+         method to make sure the test files we load might have been written
+         by the current thuban version.
+         (ClassificationTest.TestLayers, TestSingleLayer.test)
+         (TestLayerVisibility.test, TestClassification.test)
+         (TestLabels.test, TestLayerProjection.test, TestRasterLayer.test):
+         Add check_format() calls and fix the thuban data to match the data
+         that would be written by saving the session loaded from it.
+         * test/xmlsupport.py (SaxEventLister, sax_eventlist): Copies of
+         the same class and function in test_save.
+         * test/test_xmlsupport.py (TestEventList): New. test cases for
+         sax_eventlist
+-06-20  Bernhard Herzog  <[email protected]>
+         * Resources/XML/thuban.dtd: Add comment about which versions of
+         Thuban are covered by this DTD
+         (map): Fix content model for layers and raster layers. There can
+         be any number or layers and raster layers in any order.
+-06-20  Jonathan Coles   <[email protected]>
+         This is mainly about fixing RTbug #1949.
+         * Thuban/Model/classification.py: Remove "from __future__"
+         import statement since python 2.2 is the earliest supported
+         version.
+         * Thuban/Model/proj.py (Projection.GetProjectedUnits): New.
+         Currently returns PROJ_UNITS_METERS or PROJ_UNITS_DEGREES
+         depending on the units this projection *forwards* into.
+         * Thuban/Model/save.py (SessionSaver.write_classification):
+         Remove unnecessary use of lambdas and nested functions.
+         * Thuban/UI/legend.py (ScaleBarBitmap.__SetScale): Do scale
+         adjustment here if the map projection uses degrees.
+         * Thuban/UI/scalebar.py (ScaleBar.DrawScaleBar): Remove
+         scale adjust code since it is now done before calling
+         this method. Don't do anything if the map projection
+         is None.
+-06-19  Bernhard Herzog  <[email protected]>
+         Move version specific load tests to their own file.
+         * test/test_load.py: Expand the doc-string to explain a bit how to
+         handle file format changes.
+         (TestClassification.test): Update the docstring as this test is
+         not about Thuban 0.2 anymore.
+         * test/test_load_0_2.py: New file with the load tests for thuban
+         files created with Thuban 0.2 and earlier.
+-06-19  Bernhard Herzog  <[email protected]>
+         Add XML validation to some of the tests. Validation will only be
+         done if pyRXP is installed (http://reportlab.com/xml/pyrxp.html).
+         To make the DTD available to the test cases it's moved into
+         Resources/XML
+         * Resources/XML/thuban.dtd: New. This is now the real Thuban DTD
+         for versions up to and including 0.2. Two slight changes: added an
+         encoding specification and fixed the comment which refered to
+         GRASS, not Thuban
+         * test/xmlsupport.py: New support module for tests involving XML.
+         Currently there's a mix-in class for XML validation.
+         * test/test_xmlsupport.py: New. Tests for the xmlsupport module
+         * test/test_save.py (SaveSessionTest): Derive from ValidationTest
+         so that we can validate the
+         (SaveSessionTest.testEmptySession)
+         (SaveSessionTest.testSingleLayer)
+         (SaveSessionTest.testSingleLayer)
+         (SaveSessionTest.testLayerProjection)
+         (SaveSessionTest.testRasterLayer)
+         (SaveSessionTest.testClassifiedLayer): Validate the generated XML
+         * test/runtests.py (main): Call print_additional_summary instead
+         of print_garbage_information
+         * test/support.py (resource_dir): New function to return the
+         "Resource" subdirectory
+         (print_additional_summary): New function to combine several
+         summary functions
+         (run_tests): Use print_additional_summary instead of calling
+         print_garbage_information directly
+-06-19  Bernhard Herzog  <[email protected]>
+         * Doc/thuban.dtd (classification): Correct the content model of
+         the classification element.
+         (projection): Add the "name" attribute
+-06-19  Frank Koormann   <[email protected]>
+         MERGE from the greater-ms3 branch.
+         * Thuban/UI/scalebar.py (ScaleBar.DrawScaleBar): Apply conversion to
+         scale if projection is latlong to get better estimate.
+         Fix problem of hidden properties dialog under windows after double
+         click on layer tree:
+         The tree control always gets an Expanded / Collapsed event after
+         the ItemActivated  on double click, which raises the main window again.         We add a second ItemActivated event to the queue, which simply
+         raises the already displayed window.
+         * Thuban/UI/legend.py (LegendTree.__init__): Instance variable
+         raiseProperties initialized to prevent endless loops
+         (LegendTree._OnItemActivated): Depending on self.raiseProperties
+         simply raise the properties or open the dialog and issue a second
+         event.
+-06-18  Jonathan Coles   <[email protected]>
+         * setup.py: Fix a few problems that occured under Windows.
+-06-18  Jonathan Coles   <[email protected]>
+         When Thuban loaded the map was redrawn twice because the
+         legend was being opened after the mainwindow was created
+         and not during its creation. This meant the map was drawn
+         initially and then had to be redrawn when the legend
+         caused the display to change. Now the legend is opened
+         in the mainwindow constructor which resolves this issue.
+         Also, although we were checking for the existence of
+         gdal and gdalwarp modules, the gdalwarp extension was
+         still being compiled (which may fail if the system doesn't
+         have gdal installed). the build_ext command to setup.py
+         now accepts the flags --with-gdal and --without-gdal.
+         If --without-gdal is specified setup.py will try to
+         use the gdal parameters specified by gdal-config. Under
+         windows, those parameters have to be set in setup.py
+         as with proj4 an wxWindows.
+         * setup.py: Use a list instead of seperate variables for
+         extension parameters so we can create a generic function
+         that runs an appropriate *-config script.
+         (run_cs_script): Renamed from run_wx_script and modified
+         to accept a second argument which is a list of lists to
+         be filled in by the values returned from running the command.
+         (thuban_build_ext): New. Extends the build_ext command and
+         provides the options --with-gdal/--without-gdal which then
+         optionally includes the gdalwarp extension.
+         * Thuban/Model/resource.py: First check if we can import
+         the gdalwarp Thuban extension before checking for gdal.
+         Also added some comments.
+         * Thuban/UI/legend.py (ScaleBarBitmap.__SetScale): Check if
+         the map is None which may be the case if none has been loaded
+         yet.
+         * Thuban/UI/main.py (main): Remove call to ShowLegend.
+         * Thuban/UI/mainwindow.py (MainWindow.__init__): Call ShowLegend().
+         * Thuban/UI/renderer.py: Check for gdal support before importing
+         gdalwarp.
+         (MapRenderer.render_map): Only try to optimize if we have gdal
+         support otherwise nothing will get drawn.
+         * Thuban/UI/view.py (MapCanvas.FitMapToWindow): This may be called
+         during startup before a map has been created. Check if map is None
+         before using it and do nothing if it is.
+-06-17  Jonathan Coles   <[email protected]>
+         Fix the problem with raster layers under Windows that caused
+         Thuban to crash. The view should respond to layer projection
+         changed events to update the display. Changes to a projection
+         should not cause the map to be set to full extent.
+         * Thuban/UI/view.py (MapCanvas.__init__): New instance variable
+         current_map_proj to remember the current map projection so that
+         when the projection changes we know what the previous projection
+         was.
+         (MapCanvas.SetMap): Unsubscribe and subscribe to
+         LAYER_PROJECTION_CHANGED events.
+         (MapCanvas.projection_changed): Split into two methods that respond
+         to map and layer projection changes.
+         (MapCanvas.map_projection_changed): New. Takes the current view and
+         projects it using the new projection. This does not cause the
+         map to be redrawn at full extent.
+         (MapCanvas.layer_projection_changed): New. Cause a redraw which
+         will draw each layer in its new projection.
+         * extensions/thuban/bmpdataset.cpp (BMPDataset::Open): Call
+         VSIFClose() not VSIFCloseL() to close the file. Fixes a crash
+         under Windows.
+         * extensions/thuban/gdalwarp.cpp (MFILENAME): Padding should be
+         to twice sizeof(void*) because there are two digits for each
+         hex byte.
+-06-16  Bernhard Herzog  <[email protected]>
+         Update to the layer interface: Direct access to the table,
+         shapetable, shapefile and filename attributes is now actively
+         deprecated by issuing deprecation warnings for all places where
+         this happens.
+         * Thuban/Model/layer.py (Layer.__getattr__): New. Implement access
+         to the instance variables table, shapetable, shapefile and
+         filename via __getattr__ so that we can issue a deprecation
+         warning.
+         (Layer.SetShapeStore): Don't set the deprecated instance variables
+         any more
+         (Layer.SetShapeStore): Don't use deprecated layer instance
+         variables
+         (Layer.Destroy): No need to explicitly remove the instance
+         variables any more
+         (Layer.GetFieldType, Layer.Shape): Don't use deprecated layer
+         instance variables
+         * Thuban/UI/classgen.py (ClassGenDialog.__init__)
+         (GenUniformPanel._OnRetrieve, GenUniquePanel._OnRetrieve)
+         (GenQuantilesPanel.GetList, GenQuantilesPanel.OnRetrieve): Don't
+         use deprecated layer instance variables
+         * Thuban/UI/classifier.py (Classifier.__init__): Don't use
+         deprecated layer instance variables
+         * Thuban/UI/identifyview.py (IdentifyListCtrl.selected_shape)
+         (IdentifyGridCtrl.selected_shape): Don't set the deprecated layer
+         instance variables
+         * Thuban/UI/tableview.py (LayerTableGrid.select_shapes): Don't use
+         deprecated layer instance variables
+         * Thuban/UI/mainwindow.py (MainWindow.LayerShowTable): Don't use
+         deprecated layer instance variables
+         * Thuban/Model/save.py (SessionSaver.write_layer): Don't use
+         deprecated layer instance variables
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer)
+         (MapRenderer.polygon_render_param): Don't use deprecated layer instance
+         variables
+         * test/runtests.py (main): Turn Thuban's deprecation warnings into
+         errors so that they're cought by the tests
+         * test/test_load.py (TestSingleLayer.test): Don't use deprecated
+         layer instance variables
+-06-16  Jonathan Coles   <[email protected]>
+         Fix a problem under Windows whereby if the user double-clicks on a
+         layer in the legend that tree item will expand or collapse as well
+         as open the layer properties dialog. The state of the tree item
+         should not be affected.
+         * Thuban/UI/legend.py (LegendTree.__init__): Add instance variable
+         preventExpandCollapse and subscribe to expanding and collapsing
+         events.
+         (LegendTree.OnItemExpandCollapse): New. Responds to expanding and
+         collapsing events and will veto the event if it has been triggered
+         by the user double clicking on a layer.
+         (LegendTree._OnItemActivated): Set preventExpandCollapse to indicate
+         that an expanding/collapsing event should be vetoed.
+-06-13  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/classifier.py (Classifier.OnClose)
+         (Classifier.map_layers_removed)
+         (Classifier.layer_shapestore_replaced): Unsubscribe the messages
+         in OnClose and not in map_layers_removed or
+         layer_shapestore_replaced to make sure it always happens when the
+         dialog is closed
+-06-13  Jonathan Coles   <[email protected]>
+         This puts back a fix for Windows where a panel is needed so that
+         the background of the table view appears correctly.
+         * Thuban/UI/tableview.py (TableFrame.__init__): Add a panel
+         object that can be used by derived classes to place any
+         controls (including the grid) onto.
+         (QueryTableFrame.__init__): Use the panel as the parent window
+         for all the controls. Reparent the grid so that the panel is
+         the parent. Call UpdateStatusText() to correctly initialize
+         the status bar.
+-06-13  Jonathan Coles   <[email protected]>
+         * Thuban/UI/dialogs.py (ThubanFrame): New: a class that inherits
+         from wxFrame (as opposed to wxDialog like the other classes)
+         but otherwise behaves like the other classes. This is needed
+         for the TableView which isn't really a dialog and needs to
+         have a status bar and control buttons.
+         * Thuban/UI/tableview.py (TableGrid.__init__): Create an
+         instance variable to keep track of how many rows are selected.
+         Subscribe once to the the events we are interested in.
+         (ThubanGrid.OnRangeSelect): Only handle event if event handling
+         hasn't been turned off.
+         (ThubanGrid.OnSelectCell): Only handle event if event handling
+         hasn't been turned off.
+         (ThubanGrid.ToggleEventListeners): Rather than subscribe None
+         as an event listener (which changes the event handler stack)
+         simply set an instance variable to False. This is checked in
+         the event handlers.
+         (ThubanGrid.GetNumberSelected): Return the number of currently
+         selected rows.
+         (TableFrame): Inherit from ThubanFrame so we can have a
+         status bar and control buttons.
+         (QueryTableFrame.__init__): Create a status bar. Fixes RTbug #1942.
+         Explicitly set which items are selected in the operator choice and
+         action choice so there is always a valid selection. Fixes RTbug #1941.
+         Subscribe to grid cell selection events so we can update the
+         status bar.
+         (QueryTableFrame.UpdateStatusText): Update the status bar with
+         how many rows are in the grid, how many columns, and how many
+         rows are selected.
+         (QueryTableFrame.OnGridSelectRange, QueryTableFrame.OnGridSelectCell):
+         Call UpdateStatusText when cells are (de)selected.
+         (QueryTableFrame.OnQuery): Use the string value in the value
+         combo if either the selected item index is 0 or if the string
+         cannot be found in the predefined list (this happens if the
+         user changes the text). Fixes RTbug #1940.
+         Only turn off the grid event listeners if there a query comes
+         back with a none empty list of ids. in the case that the list
+         is empty this causes a grid.ClearSelection() call to actually
+         clear the grid selection which causes the selected items in
+         the map to be deselected. Fixes RTbug #1939.
+         * test/test_save.py (XMLWriterTest.Encode): Check return values.
+         Fixes RTbug #1851.
+-06-13  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/identifyview.py (IdentifyView.__init__): Call
+         self.selected_shape with the current selection to make sure the
+         contents of the dialog are up to date when it's shown for the
+         first time.
+         The dialog used to work without this by luck. The recent fix to
+         the connector module 'broke' a 'feature' the identify view was
+         relying on, i.e that subscribing to a message in response to
+         receiving a message of that type would mean that the new
+         subscriber would also be called for the same message.
+-06-12  Jonathan Coles   <[email protected]>
+         * extensions/thuban/gdalwarp.cpp: Removed debug printing as
+         the image is rendered. Fixes RTbug #1937.
+-06-12  Jonathan Coles   <[email protected]>
+         * Thuban/Lib/fileutil.py: As is done under Windows, create the
+         user directory if it doesn't exist on a posix system.
+         Fixes RTbug #1815.
+         * Thuban/Model/resource.py (get_user_proj_files): Moved the
+         called to get_application_dir here, so that the directory
+         will only be called if this method is invoked.
+         * Thuban/UI/projdialog.py (ProjFrame.__DoOnProjAvail): Clear
+         the projfilepath if no projection is selected.
+-06-12  Jonathan Coles   <[email protected]>
+         * Thuban/UI/legend.py (ScaleBarBitmap.__SetScale): Don't draw
+         the scalebar if the current map has no projection set.
+         * Thuban/UI/projdialog.py (ProjFrame.__DoOnProjAvail): Set the
+         projfilepath label to just the basename of the projection file
+         rather than include the entire path.
+         * Thuban/Model/resource.py: Fix missed proj functions that
+         needed to be renamed.
+-06-12  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py: Removed assert statements that
+         tested if the variable was an instance of Color.
+         * Thuban/Model/color.py (Color): Remove commented code that isn't
+         used.
+         (Transparent): Renamed from NoColor. Doesn't inherit from Color.
+         Fixes RTbug #1835.
+         (Transparent.__eq__, Transparent.__ne, Transparent.__repr): New.
+         Needed now that the class doesn't inherit from Color.
+-06-12  Jonathan Coles   <[email protected]>
+         * test/test_save.py (XMLWriterTest.testEncode): Explicitly
+         check unicode strings.
+         * test/test_layer.py: Check for existence of gdal.
+-06-12  Jonathan Coles   <[email protected]>
+         * Thuban/Model/xmlreader.py: New. Contains the XMLReader class
+         that was in load.py
+         * Thuban/Model/xmlwriter.py: New. Contains the XMLWriter class
+         that was in save.py
+-06-12  Jonathan Coles   <[email protected]>
+         This is largely a collection of bug fixes. We also handle the
+         case where gdal is not on the system. The XMLReader and XMLWriter
+         classes were moved into there own files to resolve some circular
+         import references and because they shouldn't really be in the
+         file that is dediciated to reading/writing session files since
+         they are also used elsewhere.
+         * Thuban/Model/classgen.py: Renamed functions to follow the
+         function_names_with_underscores style. Fixes RTbug #1903.
+         (calculate_quantiles): Raise ValueError if 'percents' is invalid.
+         * Thuban/Model/layer.py: Import gdal only if it available.
+         (RasterLayer): Handle the case where the gdal library is unavailable.
+         Addresses RTbug #1877.
+         * Thuban/Model/load.py (XMLReader): Moved into seperate file
+         xmlreader.py.
+-06-12  Jonathan Coles   <[email protected]>
+         This is largely a collection of bug fixes. We also handle the
+         case where gdal is not on the system. The XMLReader and XMLWriter
+         classes were moved into there own files to resolve some circular
+         import references and because they shouldn't really be in the
+         file that is dediciated to reading/writing session files since
+         they are also used elsewhere.
+         * Thuban/Model/classgen.py: Renamed functions to follow the
+         function_names_with_underscores style. Fixes RTbug #1903.
+         (calculate_quantiles): Raise ValueError if 'percents' is invalid.
+         * Thuban/Model/layer.py: Import gdal only if it available.
+         (RasterLayer): Handle the case where the gdal library is unavailable.
+         Addresses RTbug #1877.
+         * Thuban/Model/load.py (XMLReader): Moved into seperate file
+         xmlreader.py.
+         * Thuban/Model/save.py (escape, XMLWriter): Moved into seperate
+         file xmlwriter.py.
+         * Thuban/Model/resource.py: Renamed functions to following the
+         function_names_with_underscores style.
+         (has_gdal_support): New function that returns true if the gdal
+         library is available. Addresses RTbug #1877.
+         * Thuban/UI/application.py (ThubanApplication.OpenSession):
+         Display a message box if the gdal library is not available, but
+         only if there are any layers that would use it. Addresses RTbug #1877.
+         * Thuban/UI/classgen.py: Use renamed projection resource functions.
+         (GenUniformPanel.__CalcStepping): Fix a slight discrepency
+         when using integers versus floats.
+         * Thuban/UI/mainwindow.py (_has_gdal_support): New. Used to
+         determine if the "Add Image Layer" menu option should be
+         greyed out or not. Addresses RTbug #1877.
+         * Thuban/UI/projdialog.py: Use renamed projection resource functions.
+         * Thuban/UI/renderer.py (MapRenderer.render_map): Only try to
+         optimize if a raster layer is visible. Fixes RTbug #1931.
+         Only draw the raster layer if the gdal library is available.
+         Addresses RTbug #1877.
+         * test/test_classgen.py: Add tests for generate_singletons,
+         generate_uniform_distribution, generate_quantiles. Fixes RTbug #1903.
+         (test_calculate_quantiles): Fix some tests to catch the new
+         ValueError that is raised.
+         * test/test_proj.py: Use renamed projection resource functions.
+         * test/test_save.py (SaveSessionTest.testClassifiedLayer): New
+         test for saving classified layers. Fixes RTbug #1902.
+         (XMLWriterTest): New. Tests the XMLWriter class. Fixes RTbug #1851.
+-06-12  Jan-Oliver Wagner <[email protected]>
+         Fix for http://intevation.de/rt/webrt?serial_num=1900.
+         * Thuban/UI/multiplechoicedialog.py: New. A multiple choice dialog.
+         * Thuban/UI/mainwindow.py: import wxMultipleChoiceDialog from
+         multiplechoicedialog.py rather than from the wxPython library.
+-06-11  Frank Koormann  <[email protected]>
+         * Thuban/Lib/fileutil.py (get_application_dir): Minor stability
+         update.
+-06-11  Frank Koormann  <[email protected]>
+         * Thuban/Lib/fileutil.py (get_application_dir): New function to
+         determine the absolute .thuban/thuban directory under
+         "posix" (os.expanduser) and "nt" (read AppData registry key).
+         * Thuban/Model/resource.py: Use get_application_dir
+         * Thuban/UI/application.py (ThubanApplication.read_startup_files):
+         Use get_application_dir.
+-06-10  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/tableview.py (LayerTableFrame.__init__): Subscribe to
+         the messages MAP_LAYERS_REMOVED messages
+         (LayerTableFrame.OnClose): Unsubscribe from it.
+         (LayerTableFrame.map_layers_removed): New. Receiver for
+         MAP_LAYERS_REMOVED. Close the dialog when the layer whose the
+         dialog is showing is removed.
+-06-10  Bernhard Herzog  <[email protected]>
+         * Thuban/Lib/connector.py (Connector.Issue): Iterate over a copy
+         of the receivers list so that unsubscribing in a receiver doesn't
+         modify it while iterating over it.
+         * test/test_connector.py
+         (ConnectorTest.test_disconnect_in_receiver): New. Test whether
+         unsubscribing in a receiver works correctly. See docstring for
+         details
+-06-10  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/messages.py (LAYER_SHAPESTORE_REPLACED): New
+         message.
+         * Thuban/Model/layer.py (Layer.SetShapeStore): Send
+         LAYER_SHAPESTORE_REPLACED when the shapestore changes. A
+         LAYER_CHANGED will still be sent if the classification changes.
+         * Thuban/UI/classifier.py (Classifier.__init__): Add the map as
+         parameter so we can subscribe to some of its messages
+         (Classifier.__init__): Subscribe to the map's MAP_LAYERS_REMOVED
+         and the layer's LAYER_SHAPESTORE_REPLACED
+         (Classifier.unsubscribe_messages): New. Unsubscribe from message
+         subscribed to in __init__
+         (Classifier.map_layers_removed)
+         (Classifier.layer_shapestore_replaced): receivers for the messages
+         subscribed to in __init__. Unsubscribe and close the dialog
+         * Thuban/UI/mainwindow.py (MainWindow.OpenLayerProperties): Pass
+         the map to the Classifier dialog
+         * test/test_layer.py (SetShapeStoreTests): Derive from
+         SubscriberMixin as well so we can test messages
+         (SetShapeStoreTests.setUp): Subscribe to some of the layer's
+         messages
+         (SetShapeStoreTests.tearDown): Clear the messages again
+         (SetShapeStoreTests.test_sanity): Expand the doc-string and check
+         for the modified flag too
+         (SetShapeStoreTests.test_set_shape_store_modified_flag): New test
+         to check whether SetShapeStore sets the modified flag
+         (SetShapeStoreTests.test_set_shape_store_different_field_name)
+         (SetShapeStoreTests.test_set_shape_store_same_field)
+         (SetShapeStoreTests.test_set_shape_store_same_field_different_type):
+         Add tests for the messages. This checks both the new
+         LAYER_SHAPESTORE_REPLACED and the older LAYER_CHANGED
+-06-06  Jan-Oliver Wagner <[email protected]>
+         * Thuban/UI/mainwindow.py: Improved and partly added help texts for
+         the menu items.
+-06-05  Frank Koormann  <[email protected]>
+         * Thuban/UI/identifyview.py (IdentifyView.__init__):
+         Layout reimplemented without panel. Make life easier to fit the list
+         in the dialog.
+-06-05  Frank Koormann  <[email protected]>
+         * Thuban/UI/projdialog.py (ProjFrame.__init__): Fill the projchoice
+         once on initialisation (Former implementation resulted in multiple
+         entries for each projection).
+         (ProjFrame.__FillAvailList): selectProj as second optional parameter,
+         if set, select the projection found under the specified name. This
+         overwrites any other selection estimate.
+         Removed projchoice filling from this method.
+         (ProjFrame._OnSave, ProjFrame._OnAddToList):
+         Updated call of ProjFrame.__FillAvailList
+         (LCCPanel._DoLayout): Moved parameter controls in more common order.
+         * Resources/Projections/defaults.proj: Extended defaults representing
+         various common European projections.
+-06-05  Frank Koormann  <[email protected]>
+         * Thuban/UI/identifyview.py (IdentifyView.__init__):
+         Use ListCtrl instead of GridCtrl
+         * Thuban/Model/resource.py:
+         Guess location of .thuban directory from tempdir parent directory.
+         * Thuban/UI/application.py (ThubanApplication.read_startup_files):
+         Guess location of .thuban directory from tempdir parent directory.
+-06-04  Bernhard Herzog  <[email protected]>
+         Do not cache the values returned by the tree widget's
+         GetFirstChild and GetNextChild methods because it led to lots of
+         segfaults. The new way requires more brute force but is more
+         reliable.
+         * Thuban/UI/legend.py (LegendTree.__init__): Remove instance
+         variable layer2id
+         (LegendTree.find_layer): New method to do with brute force what
+         layer2id tried to accomplish
+         (LegendTree._OnMsgLayerChanged)
+         (LegendTree._OnMsgLayerTitleChanged, LegendTree.__ShowHideLayer):
+         Use find_layer instead of layer2id
+         (LegendTree.__RemoveLayer, LegendTree.__AddLayer): No need to
+         update layer2id anymore
+         (LegendTree._OnMsgMapLayersRemoved)
+         (LegendTree._OnMsgMapLayersAdded): Get by without layer2id.
+-06-03  Thomas Koester  <[email protected]>
+         * Thuban/Model/classgen.py (GenQuantiles0): New function.
+-06-02  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (layer_rename command, table_rename command):
+         New commands.
+         (main_menu): Add the new commands.
+         (MainWindow.TableRename): New. Implementation of the table_rename
+         command.
+         (MainWindow.RenameLayer): New. Implementation of the layer_rename
+         command.
+         * Thuban/Model/session.py (Session.AddTable): call self.changed to
+         set the modified flag
+         * test/test_session.py (TestSessionSimple.test_add_table): Test
+         whether the modified flag is set properly
+         * Thuban/Model/base.py (TitledObject.SetTitle): Call changed
+         instead of issue so that the modified flags get updated.
+         * test/test_base.py (SomeTitledObject): Derive from Modifiable
+         instead of Publisher to reflect reality better and to accomodate
+         the fact that SetTitle now calls changed instead of issue
+-06-02  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/classgen.py (GenQuantilesPanel.GetList): Resource
+         acquisition has to happen before the try in a try-finally.
+-06-02  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/legend.py (LegendTree._OnMsgMapLayersRemoved): It's
+         possible that a layer is removed that is not currently selected in
+         the legend so don't check for this.
+-05-30  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/layer.py (Layer.Destroy): Set all instance
+         variables to None that have direct or indirect references to
+         shapefiles or dbf files to make sure that they do go away and the
+         files are closed.
+-05-30  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/legend.py (LegendTree.GetRootItem): Reset
+         availImgListIndices when a new image list is created
+-05-30  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/legend.py (LegendTree.__init__): New instance variable
+         changing_selection to indicate whether the LegendTree code itself
+         is currently changing the selection
+         (LegendTree.normalize_selection): New method to normalize the
+         selection by selecting the layer item even if the user clicked on
+         the classification.
+         (LegendTree._OnSelChanged): normalize the selection. This works
+         around a bug in wx which doesn't keep track of the selection
+         properly when subtrees are deleted.
+-05-30  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/view.py (MapCanvas.set_view_transform): Limit the
+         maximum and minimum scale factors.
+         * test/test_classgen.py (ClassGenTest.test): Update to reflect the
+         changes in classgen.py
+-05-30  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classgen.py: Remove ClassGenerator class but make
+         all the methods functions. Fixes RTBug #1903.
+         * Thuban/Model/map.py (Map.TopLayer, Map.BottomLayer): Renamed
+         to MoveLayerToTop and MoveLayerToBottom respectively. Fixes
+         RTBug #1907.
+         * Thuban/UI/classgen.py: Use classgen functions that were part
+         of the ClassGenerator class. Put try/finally blocks around
+         code that uses wxBeginBusyCursor()/wxEndBusyCursor(). Fixes
+         RTBug #1904.
+         * Thuban/UI/classifier.py: Remove unused import of ClassGenerator.
+         * Thuban/UI/legend.py: The legend was cleared and repopulated any
+         time something changed which caused some state to be lost such
+         as which children were expanded or collapsed. Fixes RTBug #1901.
+         (LegendTree._OnMsgMapLayersAdded): Add only new layers.
+         (LegendTree.__OnMsgMapLayersRemoved): Remove layers that exist in
+         the legend but not in the map.
+         (LegendTree.__FillTree): Move main functionality out into smaller
+         methods that can be used by other methods.
+         (LegendTree.__FillTreeLayer): Reuse old slots in the image list
+         if they are available.
+         (LegendTree.DeleteAllItems): Renamed from __DeleteAllItems so
+         that we override the wxTreeCtrl method. Iterate over children
+         and call __RemoveLayer.
+         (LegendTree.__AddLayer): New. Add a new layer to the legend.
+         (LegendTree.__RemoveLayer): Remove a layer from the legend.
+         (LegendTree.DeleteChildren): New, overrides wxTreeCtrl method.
+         Should only be called with the id of a layer branch.
+         (LegendTree.GetRootItem): New, overrides wxTreeCtrl method.
+         Returns the root item or creates one if necessary.
+         * Thuban/UI/renderer.py (MapRenderer.draw_raster_layer): Call
+         ProjectRasterFile with tuple arguments instead of strings.
+         * Thuban/UI/tableview.py (QueryTableFrame.OnQuery): Wrap code
+         with try/finally. Fixes RTBug #1904.
+         * Thuban/UI/view.py (MapCanvas.OnPaint): Wrap code
+         with try/finally. Fixes RTBug #1904.
+         (MapCanvas.FitSelectedToWindow): If a single point is selected
+         simply center it on the display. Fixes RTBug #1849.
+         * extensions/thuban/gdalwarp.cpp: Removed code that allowed gdalwarp
+         to be compiled as a standalone app. Now the code can only be
+         called from Python which simplifies the parameter passing.
+         (ProjectRasterFile): Handle Python arguments. Remove code that
+         checks for a destination dataset. Add more clean up code.
+         * test/test_map.py (TestMapWithContents.test_raise_layer_top,
+         TestMapWithContents.test_lower_layer_bottom):
+         Test Map.MoveLayerToTop() and Map.MoveLayerToBottom() respectively.
+         Fixes RTBug #1907.
+         * Thuban/UI/mainwindow.py (MainWindow.ToggleLegend): Apply a full
+         extent to the map when the legend is toggled. Fixes RTBug #1881.
+-05-29  Jan-Oliver Wagner <[email protected]>
+         * Thuban/UI/tableview.py (LayerTableFrame.OnClose): Bug-fix: Now
+         unsubscribes all that is subcribed in __init__.
+-05-28  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.DuplicateLayer)
+         (MainWindow.CanDuplicateLayer): New methods to implement the
+         Layer/Duplicate command.
+         (layer_duplicate command): New.
+         (main_menu): Add layer_duplicate to the Layer menu.
+-05-28  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/tableview.py (NullRenderer.Draw): New. Our own
+         renderer so that NULL/None values get displayed differently (by a
+         gray rectangle).
+         (TableGrid.__init__): Override the default renderers
+-05-28  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/layer.py (Layer.SetShapeStore): Set the
+         classification to "None" if the type of the field has changed.
+         * test/test_layer.py (SetShapeStoreTests): New. Class with a few
+         test for the Layer.SetShapeStore method
+-05-28  Jan-Oliver Wagner <[email protected]>
+         * Thuban/Model/layer.py (Layer.TreeInfo): Fixed a bug (a layer
+         does not necessarily have a filename).
+-05-28  Jan-Oliver Wagner <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.TableClose, MainWindow.TableShow):
+         sort the selection list for the dialog.
+-05-28  Frank Koormann  <[email protected]>
+         * extensions/thuban/wxproj.cpp
+         (project_point): Removed cast to int for projected point coordinates.
+         (shape_centroid): Return last point if all polygon vertices fall
+         to one point.
+-05-28  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (_can_unjoin): Add doc-string and cope
+         with layers that don't have shapestores, i.e. raster layers.
+-05-28  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/table.py (DBFTable.__init__): Omit the extension
+         when determining the title from the filename.
+         * test/test_dbf_table.py (TestDBFTable.test_title): Update to
+         reflect changes in the way the title is derived from the filename
+-05-28  Frank Koormann  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.TableShow):
+         Added wxDEFAULT_DIALOG_STYLE to show table dialog styles.
+-05-27  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.delegated_messages): Also
+         delegate SelectedLayer.
+         (MainWindow.LayerUnjoinTable): Implement.
+         (_can_unjoin): New. Helper function for the sensitivity of the
+         layer/unjoin command.
+         * Thuban/Model/data.py (ShapefileStore.OrigShapeStore)
+         (DerivedShapeStore.OrigShapeStore): New. Return the original
+         shapestore. Used to figure out how to unjoin.
+         (DerivedShapeStore.Shapefile): Fix a typo.
+-05-27  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/join.py (JoinDialog): Extend to handle layer joins as
+         well
+         (JoinDialog.__init__): Use the layer parameter and only build the
+         left choice when a layer is given
+         (JoinDialog.OnJoin): Handle layer joins as well
+         (JoinDialog.OnLeftTable, JoinDialog.OnRightTable): Handle the case
+         that the user selects the "Select..." item. The sensitivitly
+         updating is now in update_sensitivity
+         (JoinDialog.y): New method to refactor the sensitivity update of
+         the join button into its own method.
+         * Thuban/UI/mainwindow.py (MainWindow.LayerJoinTable): Implement.
+-05-27  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (table_close command): Make it sensitive
+         iff there are unreferenced tables in the session
+-05-27  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/messages.py (TABLE_REMOVED): New message.
+         * Thuban/Model/session.py (Session.UnreferencedTables): New method
+         to return tables that are not referenced by other tables or shape
+         stores and can be removed.
+         (Session.RemoveTable): Issue a TABLE_REMOVED message after
+         removing the table
+         * Thuban/UI/mainwindow.py: Remove unused imports
+         (MainWindow.TableClose): Implement.
+         * Thuban/UI/tableview.py (TableFrame.__init__): Subscribe to some
+         messages so that the frame will be automatically closed when a new
+         session is opened or the table is removed.
+         (TableFrame.OnClose): Unsubscribe the Subscriptions made in
+         __init__
+         (TableFrame.close_on_session_replaced)
+         (TableFrame.close_on_table_removed): New. Subscribers that close
+         the window
+         * test/test_session.py (TestSessionMessages.test_remove_table)
+         (TestSessionSimple.test_remove_table): Move the test to
+         TestSessionSimple and add test for the TABLE_REMOVED message
+         (TestSessionBase.setUp): Also subscribe to TABLE_REMOVED
+         (TestSessionSimple.test_unreferenced_tables) New. Test for the
+         UnreferencedTables method.
+         (UnreferencedTablesTests): New. Class with some more sophisticated
+         tests for UnreferencedTables.
+-05-27  Frank Koormann  <[email protected]>
+         * Thuban/UI/tableview.py (QueryTableFrame.__init__): The "_S_election"
+         display has some unwanted side effects. Removed again.
+-05-27  Frank Koormann  <[email protected]>
+         * Resources/Bitmaps/legend_icon_layer.xpm: New, icon for legend.
+         * Thuban/UI/legend.py (LegendTree.__FillTree): Use "legend_icon_layer"
+-05-27  Jan-Oliver Wagner <[email protected]>
+         * test/test_menu.py (MenuTest.test): Added test for
+         Menu.RemoveItem().
+         * Thuban/UI/menu.py (Menu.RemoveItem): New. Remove an item from
+         the menu.
+-05-27  Frank Koormann  <[email protected]>
+         Nonmodal dialogs without parent (i.e. they can fall behind the main
+         window)
+         * Thuban/UI/mainwindow.py (MainWindow.OnClose): Explicitly destroy
+         all dialogs in the dialogs dictionary and the canvas.
+         * Thuban/UI/dialogs.py (NonModalNonParentDialog): New class, without
+         parent, i.e. can fall behind other windows.
+         (NonModalDialog.OnClose): Check is dialog is in mainwindow.dialog
+         dictionary before removing it.
+         * Thuban/UI/classifier.py: Dialog derived from NonModalNonParentDialog
+         * Thuban/UI/projdialog.py: Dialog derived from NonModalNonParentDialog
+         * Thuban/UI/tableview.py: Dialog derived from NonModalNonParentDialog
+         * Thuban/UI/tree.py: Dialog derived from NonModalNonParentDialog
+-05-27  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.ShowTableView): New. Open a
+         tableview dialog
+         (MainWindow.TableShow): Use ShowTableView to open the dialogs.
+         Also, don't use the table's titles as the dialog names. The titles
+         aren't guaranteed to be unique.
+         (MainWindow.TableOpen): Open a table view dialog after opening the
+         table
+-05-27  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py: Remove the Table/Hide menu item. Its
+         effect can be achieved by simply closing the window showing the
+         table.
+         (MainWindow.TableHide): Removed.
+         (main_menu): Removed "table_hide"
+-05-27  Frank Koormann  <[email protected]>
+         Fix legend tree display problems under Win32
+         * Thuban/UI/legend.py:  BMP_SIZE_W = 15
+         (LegendTree.__FillTree): Display "legend_icon_map.xpm" with layer title.
+         (LegendTree.__FillTreeLayer): Explicitely set SelectedImage.
+         * Resources/Bitmaps/legend_icon_map.xpm: New icon for legend.
+-05-27  Jan-Oliver Wagner <[email protected]>
+         * Thuban/UI/menu.py (Menu.InsertSeparator): Additional optional parameter
+         'after' now allows to insert separators almost anywhere in the menu.
+-05-27  Frank Koormann  <[email protected]>
+         * Thuban/UI/tableview.py (QueryTableFrame.__init__): Underline the
+         "S" of selection box label to hint on hot key (Alt-S). Works under
+         Win32 but is ignored under GTK.
+-05-26  Frank Koormann  <[email protected]>
+         * Thuban/UI/projdialog.py (ProjFrame.__do_layout, ProjPanel._DoLayout):
+         Center Choices.
+-05-26  Bernhard Herzog  <[email protected]>
+         Remove the Precision methods again. They're too DBF specific to be
+         part of the table interface and they're only used in table_to_dbf
+         anyway.
+         * Thuban/Model/transientdb.py (TransientTableBase.Width):Use a
+         fixed precision of 12 for doubles.
+         (TransientTableBase.Precision): Removed
+         (AutoTransientTable.Width): Delegate to self.table.
+         * Thuban/Model/table.py (DBFTable.Precision)
+         (MemoryTable.Precision): Removed.
+         (MemoryTable.Width): Use a fixed precision of 12 for doubles.
+         (table_to_dbf): Use a fixed precision of 12 for floats unless the
+         column object specifies something else.
+         * test/test_dbf_table.py (TestTableToDBF.test_table_to_dbf): New.
+         test for table_to_dbf
+-05-26  Bernhard Herzog  <[email protected]>
+         * test/test_transientdb.py
+         (TestTransientTable.run_iceland_political_tests): Fix a comment.
+-05-26  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.TableOpen): Real
+         implementation. Mark parts of the file format strings for
+         localization.
+         * Thuban/Model/session.py (Session.OpenTableFile): New. Open a dbf
+         file and add the table to the tables managed by the session
+         * test/test_session.py (TestSessionSimple.test_open_table_file):
+         New. test case for OpenTableFile
+-05-26  Jan-Oliver Wagner <[email protected]>
+         * Thuban/UI/controls.py, Thuban/UI/identifyview.py, Thuban/UI/join.py,
+         Thuban/UI/labeldialog.py, Thuban/UI/mainwindow.py,
+         Thuban/UI/proj4dialog.py, Thuban/UI/tableview.py, Thuban/UI/view.py:
+         Replace the true/false of wxWindows by True/False of Python 2.2.1.
+-05-26  Jan-Oliver Wagner <[email protected]>
+         * Thuban/UI/tableview.py (LayerTableFrame.__init__): If there is
+         already a selection present, update the grid accordingly.
+         * Thuban/UI/mainwindow.py (MainWindow.TableShow): Make the dialog
+         resizeable and increase its initial size.
+-05-26  Frank Koormann  <[email protected]>
+         Table export functionality
+         * Thuban/Model/table.py (DBFTable.Width, MemoryTable.Width):
+         Return width (in characters) for a column.
+         (DBFTable.Precision, MemoryTable.Precision): Return decimal precision.
+         (table_to_dbf): Write table to dbf file.
+         (table_to_csv): Write table to csv file.
+         * Thuban/Model/transientdb.py (TransientTableBase.Width,
+         TransientTableBase.Precision): Return column width and precision.
+         * Thuban/UI/tableview.py (QueryTableFrame.OnSaveAs): Call table_to_dbf
+         or table_to_csv depending on file selection.
+         * test/test_dbf_table.py:
+         Test table_to_dbf (extension of former part of test).
+         * test/test_csv_table.py:
+         Test table_to_csv.
+-05-23  Jan-Oliver Wagner <[email protected]>
+         * Thuban/UI/join.py (JoinDialog.OnJoin): Use _() for strings.
+         Use QueryTableFrame instead of TableFrame.
+         * Thuban/UI/mainwindow.py (MainWindow.LayerShowTable): Prefix the
+         table window with 'Layer Table:' instead of 'Table:'.
+-05-23  Jan-Oliver Wagner <[email protected]>
+         Give all tables a title via mix-in TitledObject.LayerShowTable
+         * Thuban/Model/base.py (TitledObject.SetTitle): Call method 'issue'
+         only if it exists.
+         * Thuban/Model/table.py (DBFTable, MemoryTable): mix-in TitledObject
+         and call its init-method with a default title. Remove Title() method.
+         * Thuban/Model/transientdb.py (TransientTable, TransientJoinedTable,
+         AutoTransientTable): mix-in TitledObject and call its init-method with
+         a default title. Remove Title() method.
+-05-23  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/session.py (Session.AddShapeStore): Define
+         AddShapeStore analogously to AddTable.
+         * test/test_session.py (TestSessionSimple.test_add_shapestore):
+         New. Test for AddShapeStore
+-05-23  Jan-Oliver Wagner <[email protected]>
+         Introducing QueryTableFrame and a very coarse ShowTable implementation.
+         * Thuban/UI/tableview.py (LayerTableFrame, QueryTableFrame): Split the
+         class LayerTableFrame into two classes, LayerTableFrame and QueryTableFrame.
+         The latter implements the selection GUI without dependency on a layer.
+         LayerTableFrame now is derived from QueryTableFrame and connects
+         to a layer.
+         * Thuban/UI/mainwindow.py (MainWindow.TableShow): A very coarse
+         implementation that still needs work.
+         * Thuban/Model/layer.py (Layer.TreeInfo): Added filename.
+-05-22  Frank Koormann  <[email protected]>
+         * Thuban/Model/transientdb.py (TransientJoinedTable.__init__):
+         Added "outer_join = False" as optional parameter.
+         (TransientJoinedTable.create): If outer join is true, perform a
+         "LEFT OUTER JOIN" instead of "JOIN", which preserves all records of
+         the left table. Records not matching are filled with 0 / None.
+         * Thuban/UI/join.py (JoinDialog.__init__): Checkbox for outer join.
+         (JoinDialog.OnJoin): Consider outer join check box.
+-05-22  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/join.py (JoinDialog.OnJoin): Use exc_info in a
+         somewhat safer way. Storing the traceback in a local variable can
+         lead to memory leaks
+-05-22  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/join.py (JoinDialog.OnJoin): Make sure to really call
+         the wxMessageDialog's Destroy() method.
+-05-22  Frank Koormann  <[email protected]>
+         * Thuban/UI/join.py (JoinDialog.__init__): Make use of
+         TransientTable.Title()
+-05-22  Frank Koormann  <[email protected]>
+         Join Dialog, initial version.
+         * Thuban/UI/mainwindow.py (MainWindow.TableJoin): Removed print.
+         * Thuban/UI/join.py (JoinDialog): Functional implementation of
+         former framework. Renamed Table1/Table2 to LeftTable/RightTable
+         in all occurences.
+         * Thuban/Model/transientdb.py (TransientJoinedTable.__doc__):
+         Typo fixed.
+-05-22  Bernhard Herzog  <[email protected]>
+         Give the tables titles so that the GUI can display more meaningful
+         names. For now the titles are fixed but depend on e.g. filenames
+         or the titles of the joined tables.
+         * Thuban/Model/transientdb.py (TransientTable.Title)
+         (TransientJoinedTable.Title, AutoTransientTable.Title): New.
+         * Thuban/Model/table.py (DBFTable.Title, MemoryTable.Title): New.
+         * test/test_transientdb.py
+         (TestTransientTable.test_auto_transient_table_title): New. Test
+         for the Title method
+         (TestTransientTable.test_transient_joined_table)
+         (TestTransientTable.test_transient_table): Add test for the Title
+         methods
+         * test/test_memory_table.py (TestMemoryTable.test_title): New.
+         Test for the Title method
+         * test/test_dbf_table.py (TestDBFTable.test_title): New. Test for
+         the Title method
+-05-22  Bernhard Herzog  <[email protected]>
+         * test/test_layer.py (TestLayer.setUp, TestLayer.tearDown):
+         Provide a better way to destroy the layers
+         (TestLayer.test_base_layer, TestLayer.test_arc_layer)
+         (TestLayer.test_point_layer, TestLayer.test_empty_layer)
+         (TestLayer.test_polygon_layer, TestLayer.test_get_field_type): Use
+         the new way to destroy the layers.
+         (TestLayer.test_derived_store): New. Test for using a layer with a
+         DerivedShapeStore
+         * Thuban/Model/layer.py (Layer.SetShapeStore): Only set the
+         filename if the shape store actually has one.
+-05-22  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/table.py (DBFTable.FileName): New. Accessor method
+         for the filename
+         * test/test_dbf_table.py (TestDBFTable.test_filename): New. Test
+         for the FileName method
+         (TestDBFTableWriting.test_write): Fix spelling of filename
+-05-22  Thomas Koester  <[email protected]>
+         * Thuban/Model/range.py, test/test_range.py: Brought over new Range
+         from SciParam that now really is immutable.
+-05-22  Frank Koormann  <[email protected]>
+         Layer Top/Bottom placement added to legend.
+         * Thuban/UI/legend.py
+         (LegendPanel._OnMoveTop(), LayerPanel._OnMoveBottom): New, methods
+         bound to tool events.
+         (LegendTree.MoveCurrentItemTop(), LegendTree.MoveCurrentItemBottom):
+         New, methods binding the event methods with the map methods.
+         * Thuban/Model/map.py (Map.TopLayer(), Map.BottomLayer()): New, place
+         layer at top/bottom of layer stack.
+         * Resources/Bitmaps/top_layer.xpm: New button icon.
+         * Resources/Bitmaps/bottom_layer.xpm: New button icon.
+-05-22  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/session.py (Session.RemoveTable): New method to
+         remove tables
+         * test/test_session.py (TestSessionSimple.test_remove_table): New.
+         Test for RemoveTable
+-05-22  Thomas Koester  <[email protected]>
+         * Thuban/Model/classgen.py: Added short module doc string and CVS id.
+         (ClassGenerator.GenUniformDistribution): Use new Range __init__, too.
+-05-22  Bernhard Herzog  <[email protected]>
+         Implement a way to discover dependencies between tables and
+         shapestores.
+         * Thuban/Model/transientdb.py (TransientTableBase.Dependencies)
+         (TransientJoinedTable.Dependencies)
+         (AutoTransientTable.SimpleQuery): New. Implement the dependencies
+         interface
+         (TransientJoinedTable.__init__): Keep tack of the original table
+         objects in addition to the corresponding transient tables.
+         * Thuban/Model/table.py (DBFTable.Dependencies)
+         (MemoryTable.Dependencies): New. Implement the dependencies
+         interface
+         * Thuban/Model/data.py (ShapeTable): New. Helper class for
+         ShapefileStore
+         (ShapefileStore.__init__): Use ShapeTable instead of
+         AutoTransientTable
+         (ShapefileStore.Table, ShapefileStore.Shapefile): Add doc-strings
+         (ShapefileStore.FileName, ShapefileStore.FileType): New. Accessor
+         methods for filename and type
+         (ShapefileStore.Dependencies): New. Implement the dependencies
+         interface
+         (DerivedShapeStore): New class to replace SimpleStore. The main
+         difference to SimpleStore is that it depends not on a shapefile
+         but another shapestore which expresses the dependencies a bit
+         better
+         (SimpleStore.__init__): Add deprecation warning.
+         * test/test_dbf_table.py (TestDBFTable.test_dependencies): New.
+         Test for the Dependencies method.
+         * test/test_memory_table.py (TestMemoryTable.test_dependencies):
+         New. Test for the Dependencies method.
+         * test/test_transientdb.py
+         (TestTransientTable.test_auto_transient_table_dependencies): New.
+         Test for the Dependencies method.
+         (TestTransientTable.test_transient_joined_table): Add test for the
+         Dependencies method.
+         * test/test_session.py (TestSessionSimple.setUp)
+         (TestSessionSimple.tearDown): New. Implement a better way to
+         destroy the sessions.
+         (TestSessionSimple.test_initial_state)
+         (TestSessionSimple.test_add_table): Bind session to self.session
+         so that it's destroyed by tearDown
+         (TestSessionSimple.test_open_shapefile): New. Test for
+         OpenShapefile and the object it returns
+-05-22  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/session.py (Session.AddTable): New method to
+         register tables with the session.
+         (Session.Tables): Return the tables registered with AddTable too.
+         * test/test_session.py (TestSessionSimple.test_add_table): New.
+         Test case for the AddTable method
+-05-22  Frank Koormann  <[email protected]>
+         UI polishing updates: Place main buttons (OK, Cancel, etc) in the
+         lower right corner, center labels for selections, initialize controls
+         in reasonable order for keyboard navigation.
+         * Thuban/UI/projdialog.py (ProjFrame.__init__, ProjFrame.__doLayout)
+         (ProjFrame.__DoOnProjAvail): Determine position of current projection
+         using the wxListBox.FindString() method. Still a problem (#1886)
+         * Thuban/UI/classifier.py
+         (Classifier.__init__, SelectPropertiesDialog.__init__)
+         * Thuban/UI/classgen.py (ClassGenDialog.__init__,
+         (ClassGenDialog.__DoOnGenTypeSelect): Moved initialization of the
+         different classification types from here to __init__.
+         (GenUniquePanel.__init__): Set the column width of the first field
+         in the Field ListCtrl to the full width.
+         * Thuban/UI/tableview.py (LayerTableFrame.__init__): Rename 'Save As'
+         Button to 'Export'. Center Buttons in Selection Box, set Focus to
+         Grid.
+         (LayerTableFrame.OnKeyDown()): New, bound to the grid with EVT_KEY_DOWN,
+         changes focus to the Selection when pressing "Alt-S".
+         * Thuban/UI/legend.py (LegendTree.__SetVisibilityStyle): Only gray out
+         the text if not visible. The italic font sometimes exceeds the
+         rendering area.
+-05-21  Jonathan Coles   <[email protected]>
+         * Thuban/UI/dock.py (DockFrame): Rename references to _OnClose
+         to OnClose so that Thuban closes correctly.
+         * Thuban/UI/mainwindow.py (MainWindow.OnClose): Call
+         DockFrame.OnClose, not DockFrame._OnClose.
+-05-21  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classgen.py (ClassGenerator.GenQuantiles): Remove
+         references to 'inf' and use new Range __init__ to pass floats
+         directly rather than converting them to strings first.
+         Fixes RTBug #1876.
+         * Thuban/Model/classification.py (ClassGroupRange.SetRange):
+         Use new Range ___init__ to pass floats.
+         * Thuban/Model/layer.py (RasterLayer.__init__): Test if the
+         filename is a valid image file. Throw IOError otherwise.
+         * Thuban/Model/range.py: Brought over new Range from SciParam that
+         is immutable and has an __init__ which can accept floats.
+         * Thuban/UI/mainwindow.py (MainWindow.AddLayer): Move OpenShapefile
+         into try block. AddLayer doesn't throw any exceptions anymore.
+         (MainWindow.AddRasterLayer): Move constructor of RasterLayer into
+         try block.
+         * Thuban/UI/projdialog.py (GeoPanel.__init__): Put Degrees as
+         the first item in choices. Fixes RTBug #1882.
+         * Thuban/UI/renderer.py (MapRenderer.render_map): Check if scale
+         has gone to 0 which is a serious problem. abort.
+         (MapRenderer.draw_raster_layer): Catch IOError seperately and
+         print the error from GDAL.
+         * Thuban/UI/tableview.py (TableGrid.__init__): Call
+         ToggleEventListeners to turn on listening.
+         (TableGrid.ToggleEventListeners): New. Turns event listening on
+         and off so as to prevent excessive messages.
+         (LayerTableFrame.OnQuery): Use TableGrid.ToggleEventListeners
+         to suppress excessive messages when selecting many rows.
+         Fixes RTBug #1880.
+         * Thuban/UI/view.py: Added checks against if scale == 0. This
+         is a serious problem that can occur when an image without
+         geo data is loading and causes the map projection bounds to
+         go to infinity. Right now, the solution is to simply try
+         to recover.
+         * extensions/thuban/cpl_mfile.cpp (MFILEClose): Make sure
+         to set the MFILEReceiver attributes even if the data is NULL.
+         * extensions/thuban/gdalwarp.cpp: Improved the error handling
+         and passed GDAL messages back up to the Python layer. Also
+         tried to fix some memory leaks that were present in the original
+         utility but didn't matter because the program aborted.
+         * test/test_range.py: Copied over tests from SciParam. Removed
+         tests against importing. Fixes RTBug #1867.
+-05-21  Bernhard Herzog  <[email protected]>
+         * test/test_load.py: Remove unused imports and restructure the
+         test code
+         (LoadSessionTest): Split into one class for each test and turn
+         LoadSessionTest itself into the base class for all such session
+         tests.
+         (ClassificationTest): New base class for load tests that test
+         classifications
+         (TestSingleLayer, TestLayerVisibility, TestClassification)
+         (TestLabels, TestLayerProjection, TestRasterLayer): New classes
+         for the individual tests
+         * test/support.py (FileLoadTestCase.filename): New base class for
+         file loading tests
+-05-21  Jan-Oliver Wagner <[email protected]>
+         * Resources/Projections/defaults.proj: Renamed 'Universal Transverse
+         Mercator' to 'UTM Zone 32' as a more convenient example.
+         Added 'Gauss Krueger Zone 6'.
+         * Data/iceland_sample_raster.thuban: political polygon now
+         filled transparent to have the raster image visible at once.
+-05-21  Frank Koormann  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow): Renamed _OnClose() back to
+         OnClose() to keep in sync with extensions. Internally Thuban
+         still uses "underscored" names.
+-05-20  Jonathan Coles   <[email protected]>
+         This puts back Raster layer support. These layers support projections
+         through the GDAL library. Currently, the CVS version is being used.
+         There are no Debian packages available although this may change soon.
+         A GDAL driver was extended to support writing to memory rather to
+         files.
+         There is still some work that needs to be done, such as some error
+         handling when loading invalid images or when there is a problem
+         projecting the image. This putback simply checks in the majority
+         of the work.
+         * setup.py: Add gdalwarp library extension.
+         * Thuban/Model/layer.py (BaseLayer.HasClassification): New.
+         Defaults to False, but can be overridden by subclasses if they
+         support classification.
+         (RasterLayer): New. Defines a new layer that represents an
+         image.
+         * Thuban/Model/load.py (SessionLoader.__init__): Add rasterlayer
+         tag handler.
+         (SessionLoader.start_layer): Encode the filename.
+         (SessionLoader.start_rasterlayer, SessionLoader.end_rasterlayer):
+         New. Supports reading a rasterlayer tag.
+         * Thuban/Model/map.py (Map.BoundingBox): Fix typo in comment.
+         * Thuban/Model/save.py (XMLWriter.encode): Don't assume that we
+         get a string in Latin1. If we get such as string convert it to
+         unicode first, otherwise leave if alone before encoding.
+         (SessionSaver.write_layer): Add support for writing both Layers
+         and RasterLayers.
+         * Thuban/Model/transientdb.py (AutoTransientTable.SimpleQuery):
+         The right argument may not be a string, it could also be a Column.
+         * Thuban/UI/application.py (ThubanApplication.CreateMainWindow):
+         Make initial window size 600x400. Fixes RTBug #1872.
+         * Thuban/UI/classifier.py (Classifier.__init__): Rearrange how
+         the dialog is constructed so that we can support layers that
+         do not have classifications.
+         (Classifier._OnTry): Only build a classification if the layer
+         supports one.
+         * Thuban/UI/legend.py: Change all checks that a layer is an
+         instance of Layer into checks against BaseLayer.
+         (LegendTree.__FillTreeLayer): Only add children to a branch if
+         the layer supports classification.
+         * Thuban/UI/mainwindow.py (MainWindow.NewSession,
+         MainWindow.OpenSession): Don't proceed with an action if the
+         user chooses Cancel when they are asked to save changes.
+         (MainWindow.AddRasterLayer): New. Open a dialog to allow the
+         user to select an image file. Create a new RasterLayer and add
+         it to the map.
+         * Thuban/UI/renderer.py (MapRenderer.render_map): Add support
+         for rendering RasterLayer layers.
+         (MapRenderer.draw_raster_layer): Actually method that calls
+         the GDALWarp python wrapper and constructs an image from the
+         data returned.
+         * Thuban/UI/tableview.py (LayerTableFrame.__init__): Change the
+         Choices symbols to match those used in the table query method.
+         Replace deprecated method calls on table with new method names.
+         * Thuban/UI/view.py (MapCanvas.set_view_transform): Try to limit
+         how small the scale can get. This still needs more testing.
+         * extensions/thuban/bmpdataset.cpp: New, but copied from GDAL.
+         Provides a driver to output in .bmp format.
+         * extensions/thuban/cpl_mfile.cpp, extensions/thuban/cpl_mfile.h:
+         New. Provides IO routines which write to memory, rather than a file.
+         * extensions/thuban/gdalwarp.cpp: New, but basically a direct copy
+         of the gdalwarp utility provided in GDAL. Added function calls
+         that can be accessed from python.
+         * Data/iceland_sample_raster.thuban: New. Sample file that uses
+         a raster layer.
+         * Data/iceland/island.tfw, Data/iceland/island.tif: New. Raster
+         layer image data.
+         * Doc/thuban.dtd: Added rasterlayer attribute definition.
+         * test/test_layer.py, test/test_load.py, test/test_save.py: Added
+         tests associated with the raster layer code.
+         * test/test_transientdb.py
+         (TestTransientTable.test_auto_transient_table_query): Added a test
+         for using a Column object as the "right" parameter to a query.
+-05-19  Frank Koormann  <[email protected]>
+         * Thuban/version.py (get_changelog_date):
+         Catch exceptions if ChangeLog does not exist.
+         * Thuban/UI/view.py (MapCanvas.Export): Bugfix
+-05-19  Frank Koormann  <[email protected]>
+         Extended version information for Thuban
+         * Thuban/version.py: New, version information for Thuban: Last
+         modification date and last ChangeLog entry date.
+         * Thuban/UI/mainwindow.py (MainWindow.About()): Extended version
+         information: Display Thuban, wxPython and Python version.
+-05-16  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/save.py: Remove some unused imports including the
+         __future__ import for nested_scopes as Thuban relies on Python 2.2
+         now.
+         (XMLWriter.encode): Remove the special case for a None argument.
+         In the saver encode is always called with a string argument.
+-05-16  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/__init__.py: Remove the work-around for the locale bug
+         in wxPython (at least when usinvg wxGTK) prior to 2.4. The symptom
+         of the bug was that e.g. float("1.2") would fail. Thuban now
+         requires 2.4.x.
+-05-16  Frank Koormann   <[email protected]>
+         Printing enhancement and WMF export (under Win32)
+         * Thuban/UI/renderer.py (ExportRenderer): New, derived from
+         ScreenRenderer. Renders Map, Legend and Scalebar for export.
+         (PrinterRenderer): New, derived from ExportRenderer. Replaces the old
+         PrintRender.
+         * Thuban/UI/view.py (MapPrintout.__init__): Enhanced parameter set
+         to fullfil information needed for PrinterRenderer.
+         (MapCanvas.Export): New. Export Map (currently only to WMF on Win32).
+         (MapCanvas.Print): Adapted to new MapPrintout.
+         (OutputTransform): General calculations to transform from canvas
+         coordinates to export/printing devices.
+         * Thuban/UI/mainwindow.py (MainWindow.ExportMap()): New. Added also
+         new method_command to call ExportMap, with platform dependency (only
+         __WXMSW__)
+         * Thuban/UI/scalebar.py (ScaleBar.DrawScaleBar): Position and Size
+         of scalebar drawing area as new parameters.
+         * Thuban/Model/scalebar.py (roundInterval): round long instead of int
+         * Thuban/UI/legend.py (ScalebarBitmap.__SetScale):
+         Update to extended scalebar.DrawScalebar header.
+         * test/test_export.py: New, test Thuban.UI.view.OutputTransform()
+         * test/test_scalebar.py: Made test executable as standalone.
+-05-16  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/table.py (Table): Remove this compatibility alias
+         for DBFTable.
+         * test/test_table.py: Import DBFTable as Table because that alias
+         doesn't exist anymore.
+         * Thuban/UI/classgen.py: Remove some unused imports
+-05-14  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classgen.py (ClassGenerator.GenSingletonsFromList):
+         Fix docstring.
+         (ClassGenerator.GenUniformDistribution): Fix spelling of method name.
+         (ClassGenerator.GenQuantiles): Use the left/right brackets and min/max
+         values of the supplied range to determine the beginning and end
+         bounds of the generated classes.
+         * Thuban/Model/range.py (Range.number_re): Now accepts floats that
+         do not have a leading 0 (.5 is now accepted as well as 0.5).
+         * Thuban/UI/classgen.py (ClassGenDialog.OnOK): Fix name of method
+         call to ClassGenerator.GenUniformDistribution.
+         * Thuban/UI/projdialog.py (ProjFrame.__do_layout): Fix Windows
+         layout bug with the 'Projection' label.
+         * test/support.py (FloatTestCase): New. Needed for the Range tests.
+         * test/test_range.py: New. Imported from SciParam.
+-05-12  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classgen.py (GenQuantilesPanel.GetList): Replace call
+         to table.UniqueValues() with calls that retrieve all the values
+         from the table. This will need to be replaced by a method on table
+         which can simply return the list (perhaps more efficiently).
+-05-12  Jonathan Coles   <[email protected]>
+         The return value of ClassGenerator.CalculateQuantiles has changed.
+         Refer to the documentation for details.
+         * test/test_classgen.py: Modified Quantile tests to use the
+         new return values.
+         * Thuban/Model/classgen.py
+         (ClassGenerator.GenQuantiles): Add comments describing the parameters,
+         use new return values from CalculateQuantiles to produce the correct
+         range bounds in the Classification.
+         (ClassGenerator.CalculateQuantiles): Add more comments describing
+         the return values and parameters. Make minor adjustments to improve
+         the legibility of the code. Fix problem with adjusted not being set
+         in most cases.
+-05-12  Frank Koormann <[email protected]>
+         * Thuban/Model/save.py (XMLWriter.encode()): Explicite call to unicode
+         and latin1. Fixes #1851 finally.
+-05-09  Jonathan Coles   <[email protected]>
+         * test/test_classgen.py: New. Tests the Quantile algorithm.
+         * Thuban/Model/classgen.py (ClassGenerator.CalculateQuantiles):
+         Clean up debugging statement, add comments, fix a small bug in the
+         returned adjusted percentiles.
+-05-09  Jonathan Coles   <[email protected]>
+         Introduces Range class from SciParam into the ClassGroupRange class,
+         and such ranges can now be saved and loaded from disk.
+         Quantiles are now available in the Classification Generator.
+         Initial support for building Queries on a table. Doesn't do anything
+         but run some tests.
+         * Thuban/Model/classification.py: Explicit imports.
+         (ClassGroupRange): Use the Range class to store the underlying
+         range information. The interface remains the same, except for
+         GetRange(), and you can also supply a Range object as the min
+         parameter to SetRange or __init__.
+         * Thuban/Model/load.py (XMLReader.encode): New. Encodes the given
+         string appropriately for use in Thuban. Fixes RTbug #1851.
+         (SessionLoader.end_projection): Handle the context of the
+         projection tag a bit better by looking at what objects are not
+         None. There was an assumption that a projection tag for a map
+         could occur before any layers.
+         (SessionLoader.start_clrange): Provide backward compatibility for
+         reading min/max values as well as the new range parameter.
+         * Thuban/Model/map.py: Explicit imports.
+         * Thuban/Model/resource.py: Import _.
+         (ProjFileSaver.write): write header using projfile.dtd.
+         * Thuban/Model/save.py: Explicit imports.
+         (XMLWriter.encode): New. Encode the given string from a format
+         used by Thuban into UTF-8. Fixes RTbug #1851.
+         * Thuban/UI/classgen.py: Explicit imports.
+         (ClassGenDialog.__init__): Clean up the code and add support
+         for Quantiles.
+         (ClassGenDialog.OnOK): Add support for Quantiles.
+         (GenQuantilesPanel): New. Input panel for Quantiles.
+         (ClassGenerator, CustomRamp, MonochromaticRamp, GreyRamp, RedRamp,
+         GreenRamp, BlueRamp, HotToColdRamp): Move to Thuban/Model/classgen.py
+         * Thuban/Model/classgen.py: New. Contains all the classes named above.
+         * Thuban/UI/classifier.py: Explicit imports.
+         (ClassTable.GetValueAsCust, ClassTable.__ParseInput,
+         ClassTable.SetValueAsCustom): Reworked to use new Range class.
+         * Thuban/UI/legend.py: Explicit imports.
+         * Thuban/UI/mainwindow.py: Add support for the Join Dialog. Added
+         a Table menu and associated method calls.
+         (MainWindow.choose_color): Removed. No longer needed.
+         * Thuban/UI/projdialog.py (ProjFrame.__VerifyButtons): Save button
+         should be disabled if no projection is selected in the available
+         list.
+         * Thuban/UI/renderer.py: Explicit imports.
+         * Thuban/UI/tableview.py (TableGrid.OnRangeSelect): Fix some issues
+         with correctly selecting the rows and issuing the right events.
+         Be sure to call Skip() to allow the grid to do some of its own
+         handling which allows the rows to actually be selected.
+         (LayerTableGrid.select_shapes): Rename from select_shape. Supports
+         selecting multiple shapes.
+         (LayerTableFrame): Support for building Queries.
+         (LayerTableFrame.select_shapes): Allow multiple shapes to be selected.
+         * Thuban/UI/tree.py: Explicit imports.
+         * Thuban/UI/view.py (MapCanvas): Delegate "SelectedShapes" so the
+         table view can call it.
+         * test/test_classification.py: Explicit imports.
+         (TestClassification.test_ClassGroupRange): Fix test for new
+         Range class.
+         * Doc/thuban.dtd: Add range parameter for clrange.
+         * Thuban/Model/range.py: Taken from SciParam. Used as the underlying
+         object in ClassGroupRange, and also uesd for inputting ranges in
+         the classifer table and elsewhere.
+         * Thuban/UI/join.py: New. Initial Join dialog. No real functionality
+         yet.
+-05-09  Frank Koormann <[email protected]>
+         * Thuban/UI/scalebar.py (DrawScaleBar): Draw only if interval > 0.0.
+-05-08  Frank Koormann <[email protected]>
+         Coding style updates
+         * test/test_scalebar.py: Replaced tab indentation by spaces.
+         * Thuban/UI/scalebar.py: Explicit imports.
+-05-08  Frank Koormann <[email protected]>
+         * Thuban/UI/scalebar.py
+         (ScaleBar.DrawScalebar): Format string bug fixed.
+-05-08  Frank Koormann <[email protected]>
+         Reorganization of scalebar component (no wx in Thuban/Model)
+         * Thuban/Model/scalebar.py: Rendering moved to Thuban/UI/scalebar.py
+         (deriveInterval):
+         Calculate scalebar interval and unit which fits in width for scale.
+         (roundInterval): Round float.
+         * Thuban/UI/scalebar.py (ScaleBar): Scalebar rendering
+         * test/test_scalebar.py: Test for Thuban/Model/scalebar.py methods.
+         * Thuban/UI/legend.py: Import Thuban.UI.scalebar
+-05-08  Frank Koormann <[email protected]>
+         * Thuban/UI/legend.py (ScalebarBitmap.SetCanvas):
+         Initialize ScaleBar with canvas.map
+         * Thuban/Model/scalebar.py (ScaleBar.roundInterval()): New,
+         round intervals to display smarter lengths
+         (ScaleBar.DrawScalebar): Draw Scalebar only if the map contains a
+         layer. If the maps has no projection applied grey the scalebar.
+-05-07  Frank Koormann <[email protected]>
+         Basic Scalebar features added.
+         * Thuban/Model/scalebar.py (ScaleBar): New, scalebar rendering.
+         * Thuban/UI/legend.py (LegendPanel): Added scalebar bitmap
+         (ScaleBarBitmap): New, links the scalebar bitmap with view messages
+         and the renderer.
+         * Thuban/UI/view.py (MapCanvas.set_view_transform): Issue SCALE_CHANGED.
+         * Thuban/UI/messages.py: SCALE_CHANGED added.
+-05-07  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/session.py (Session.__init__): New instance
+         variable shapestores to hold a list of all open shapestore objects
+         (Session.ShapeStores): New. Accessor method for the shapestores
+         list.
+         (Session._add_shapestore, Session._clean_weak_store_refs): New.
+         Internal methods to maintain the shapestores list.
+         (Session.Tables): New. Return all tables open in the session.
+         (Session.OpenShapefile): Insert the new ShapeStore into the
+         shapestores list.
+         * test/test_session.py (TestSessionSimple.test_initial_state): Add
+         tests for ShapeStores and Tables
+         (TestSessionWithContent.test_shape_stores)
+         (TestSessionWithContent.test_tables): New. Test cases for
+         ShapeStores and Tables
+-05-07  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/transientdb.py (TransientTableBase.ReadRowAsDict):
+         Add comments about the optimizations used.
+         (AutoTransientTable.ReadValue, TransientTableBase.ReadValue): New.
+         Implement the ReadValue table interface method.
+         * test/test_transientdb.py
+         (TestTransientTable.run_iceland_political_tests)
+         (TestTransientTable.test_transient_joined_table): Add tests for
+         ReadValue
+-05-07  Frank Koormann <[email protected]>
+         * Resources/Bitmaps/fulllayerextent.xpm,
+         Resources/Bitmaps/fullselextent.xpm: Replaced the place holders with
+         new icons.
+-05-06  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/transientdb.py (AutoTransientTable.SimpleQuery):
+         New. Simply delegate to the transient table's version.
+         * test/test_transientdb.py
+         (TestTransientTable.test_auto_transient_table_query): New. Test
+         case for AutoTransientTable's SimpleQuery
+-05-06  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/transientdb.py (TransientTableBase.SimpleQuery):
+         Implement a simple query method for the query dialog
+         (TransientTableBase.create): Add an INTEGER PRIMARY KEY that holds
+         the row index or shapeid.
+         (TransientTable.create): Insert the right value of the row index
+         (TransientJoinedTable.create): Copy the row index of the left
+         table to the joined result table
+         * test/test_transientdb.py
+         (TestTransientTable.test_transient_table_read_twice): Fix
+         doc-string
+         (TestTransientTable.test_transient_table_query): New. Test for the
+         SimpleQuery method
+-05-06  Bernhard Herzog  <[email protected]>
+         Convert all table users to use the new table interface. This only
+         covers Thuban itself, not GREAT-ER or other applications built on
+         Thuban yet, so the compatibility interface stays in place for the
+         time being but it now issues DeprecationWarnings.
+         Finally, the new Table interface has a new method, HasColumn.
+         * Thuban/Model/table.py (OldTableInterfaceMixin): All methods
+         issue deprecation warnings when they're. The warnings refer to the
+         caller of the method.
+         (OldTableInterfaceMixin.__deprecation_warning): New. Helper method
+         for the deprecation warnings
+         * test/test_table.py: Ignore the deprecation warnings for the old
+         table in the tests in this module. The purpose of the tests is to
+         test the old interface, after all.
+         * test/test_transientdb.py
+         (TestTransientTable.run_iceland_political_tests): Use the
+         constants for the types. Add a test for HasColumn
+         (TestTransientTable.test_transient_joined_table): Adapt to new
+         table interface. Add a test for HasColumn
+         (TestTransientTable.test_transient_table_read_twice): Adapt to new
+         table interface
+         * Thuban/UI/tableview.py (DataTable.SetTable, DataTable.GetValue):
+         Adapt to new table interface
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Adapt to
+         new table interface
+         * Thuban/UI/controls.py (RecordListCtrl.fill_list)
+         (RecordTable.SetTable): Adapt to new table interface
+         * Thuban/UI/classifier.py (Classifier.__init__)
+         (Classifier.__init__): Adapt to new table interface
+         * Thuban/UI/classgen.py (ClassGenDialog.__init__)
+         (GenUniformPanel._OnRetrieve, GenUniquePanel._OnRetrieve): Adapt
+         to new table interface
+         * Thuban/Model/transientdb.py (TransientTableBase.HasColumn)
+         (AutoTransientTable.HasColumn): Implement the new table interface
+         method
+         (AutoTransientTable.ReadRowAsDict, AutoTransientTable.ValueRange)
+         (AutoTransientTable.UniqueValues): Adapt to new table interface
+         * Thuban/Model/layer.py (Layer.SetShapeStore, Layer.GetFieldType):
+         Adapt to new table interface
+         * test/test_layer.py (TestLayer.open_shapefile): Helper method to
+         simplify opening shapefiles a bit easier.
+         (TestLayer.test_arc_layer, TestLayer.test_polygon_layer)
+         (TestLayer.test_point_layer): Use the new helper method
+         (TestLayer.test_get_field_type): New. Test for the GetFieldType
+         method
+         * test/test_dbf_table.py (TestDBFTable.test_has_column): Test for
+         the new table method
+         * test/test_memory_table.py (TestMemoryTable.test_has_column):
+         Test for the new table method HasColumn
+-05-06  Jonathan Coles   <[email protected]>
+         Addresses the "Selection Extent" wish of RTbug #1787.
+         * Resources/Bitmaps/fulllayerextent.xpm,
+         Resources/Bitmaps/fullselextent.xpm: Bitmaps for layer and selection
+         extent. These are just place holders for the real bitmaps.
+         * Thuban/Model/layer.py (Shape): Since a Shape is immutable only
+         calculate the bounding box once (the first time compute_bbox() is
+         called).
+         (Layer.ShapesBoundingBox): New. Given a list of shape ids, return
+         the bounding box for the shapes in lat/long coordinates.
+         * Thuban/UI/mainwindow.py: Added new "Full selection extent" menu
+         option.
+         (MainWindow.has_selected_shapes): New. Returns true if there are
+         any selected shapes.
+         (MainWindow.FullSelectionExtent): New. Calls
+         MapCanvas.FitSelectedToWindow() when the user selects the menu option.
+         (_has_selected_shapes): New. Returns true if there are any
+         selected shapes.
+         * Thuban/UI/selection.py (Selection.HasSelectedShapes): New. Returns
+         true if there are any selected shapes.
+         * Thuban/UI/view.py (MapCanvas): Added delegated method
+         HasSelectedShapes.
+         (MapCanvas.FitSelectedToWindow): New. Centers and scales any selected
+         shapes on the canvas using the map projection (if any).
+         * test/test_layer.py (TestLayer.test_arc_layer): Add some tests
+         for Layer.ShapesBoundingBox().
+-05-06  Bernhard Herzog  <[email protected]>
+         * Resources/Projections/defaults.proj: Fix spelling of Mercator
+-05-05  Jonathan Coles   <[email protected]>
+         Addresses the "Full Layer Extent" wish of RTbug #1787.
+         * Resources/Projections/defaults.proj: Added UK National Grid.
+         * Thuban/UI/mainwindow.py: Added new "Full layer extent" menu option.
+         (MainWindow.FullLayerExtent): New. Calls MapCanvas.FitLayerToWindow()
+         when the user selects the menu option.
+         * Thuban/UI/view.py (MapCanvas.FitLayerToWindow): New. Centers and
+         scales the given layer on the canvas using the map projection.
+-05-05  Bernhard Herzog  <[email protected]>
+         Convert the table implementations to a new table interface. All
+         tables use a common mixin class to provide backwards compatibility
+         until all table users have been updated.
+         * Thuban/Model/table.py (OldTableInterfaceMixin): Mixin class to
+         provide backwards compatibility for table classes implementing the
+         new interface
+         (DBFTable, MemoryTable): Implement the new table interface. Use
+         OldTableInterfaceMixin as base for compatibility
+         (DBFColumn, MemoryColumn): New. Column description for DBFTable
+         and MemoryTable resp.
+         * test/test_dbf_table.py: New. Test cases for the DBFTable with
+         the new table interface.
+         * test/test_memory_table.py: New. Test cases for the MemoryTable
+         with the new table interface.
+         * test/test_table.py: Document the all tests in this file as only
+         for backwards compatibility. The equivalent tests for the new
+         interface are in test_memory_table.py and test_dbf_table.py
+         (MemoryTableTest.test_read): field_info should be returning tuples
+         with four items
+         (MemoryTableTest.test_write): Make doc-string a more precise.
+         * Thuban/Model/transientdb.py (TransientTableBase): Convert to new
+         table interface. Derive from from OldTableInterfaceMixin for
+         compatibility.
+         (TransientTableBase.create): New intance variable column_map to
+         map from names and indices to column objects
+         (TransientTable.create): Use the new table interface of the input
+         table
+         (AutoTransientTable): Convert to new table interface. Derive from
+         from OldTableInterfaceMixin for compatibility.
+         (AutoTransientTable.write_record): Removed. It's not implemented
+         yet and we still have to decide how to handle writing with the new
+         table and data framework.
+         * test/test_transientdb.py
+         (TestTransientTable.run_iceland_political_tests)
+         (TestTransientTable.test_transient_joined_table): Use the new
+         table interface
+-05-05  Jonathan Coles   <[email protected]>
+         This is namely a collection of UI updates to improve user interactivity.
+         Tabbing between controls now exists and you can use ESC to close dialog
+         boxes; ENTER will active the default button.
+         * Thuban/UI/classgen.py (ClassGenDialog.__init__): Rearrange the
+         order that the controls are created so that tabbing works correctly.
+         (ClassGenDialog.OnOK): Renamed from _OnGenerate() so that the
+         wxDialog can handle the default button correctly.
+         (ClassGenDialog.OnCancel): Renamed from _OnCloseBtn() for the
+         same reasons as for OnOK.
+         (GenUniformPanel._OnRetrieve): Call wxBeginBusyCursor/wxEndBusyCursor
+         when we ask the table for the maximum/minimum values of a field
+         which could take a very long time.
+         * Thuban/UI/classifier.py (Classifier.__init__): Rearrange the
+         order that the controls are created so that tabbing works correctly.
+         (SelectPropertiesDialog.__init__): Rearrange the order that the
+         controls are created so that tabbing works correctly.
+         * Thuban/UI/dialogs.py: Copied NonModalDialog box and changed it
+         to derive from a wxDialog but behave like the original implementation
+         which was derived from a wxFrame. wxDialog provides useful key
+         handling functionality like ESC calling OnCancel and ENTER calling
+         OnOK which is lost with wxFrame.
+         * Thuban/UI/mainwindow.py: Add "..." to menu items that will open
+         new dialogs.
+         * Thuban/UI/projdialog.py (ProjFrame.__init__): Rearrange the
+         order that the controls are created so that tabbing works correctly.
+         (ProjFrame.OnApply): Renamed from _OnTry() to use wxDialog behaviour.
+         (ProjFrame.OnOK): Renamed from _OnOK() to use wxDialog behaviour.
+         (ProjFrame.OnCancel): Renamed from _OnClose() to use wxDialog behaviour.
+         (ProjPanel.__init__): Add "Airy" to the list of ellipsoids so we
+         can provide the "UK National Grid" as a default projection.
+         (UTMPanel.__init__): Rearrange the order that the controls are
+         created so that tabbing works correctly.
+-05-05  Bernhard Herzog  <[email protected]>
+         * extensions/thuban/wxproj.cpp: Fix some of the comments.
+         (project_point): If a map projection but no layer projection is
+         given, convert degrees to radians before applying the map
+         projection.
+         * Thuban/UI/tableview.py (TableGrid.disallow_messages)
+         (TableGrid.allow_messages): New methods to make it possible to
+         inhibit message sending.
+         (TableGrid.issue): Only send the message if not inhibited.
+         (LayerTableGrid.select_shape): Use the new methods to make sure
+         that no ROW_SELECTED message is sent while we're updating the
+         selected rows to match the selected shapes.
+-05-02  Jan-Oliver Wagner <[email protected]>
+         Implementation of MemoryTable.
+         * Thuban/Model/table.py (MemoryTable): New. Quite simple table
+         implementation that operates on a list of tuples. All of the data
+         are kept in the memory.
+         * test/test_table.py (MemoryTableTest): New.
+         * test/test_transientdb.py (SimpleTable): Removed.
+         (TestTransientTable.test_transient_joined_table,
+         (TestTransientTable.test_transient_table_read_twice): Replaced
+         SimpleTable by MemoryTable.
+-04-30  Jonathan Coles   <[email protected]>
+         * Data/iceland_sample.thuban: Now contains correct projections
+         for each of the layers.
+         * Resources/Projections/defaults.proj: Geographic projection
+         contains unit conversion parameter.
+-04-30  Jonathan Coles   <[email protected]>
+         The most important part of this putback is the projection changes.
+         It should now be possible to specify the projection that a layer
+         is in and then specify a different projection for the map. The
+         projection dialog has an extra parameter for a geographic projection
+         which lets the user select if the input is in degrees or radians.
+         * Thuban/Model/layer.py (Layer.ShapesInRegion): Fix docstring
+         to say that the parameter is a tuple of unprojected
+         points (which is what the callers to this method were assuming).
+         Also, since the points are unprojected we need to projected them.
+         * Thuban/UI/legend.py (LegendTree.MoveCurrentItemUp,
+         LegendTree.MoveCurrentItemDown): If the layer or any of the layer's
+         groups are selected, move the layer up/down. Fixes RTbug #1833.
+         * Thuban/UI/mainwindow.py: Move menu item map_rename up.
+         * Thuban/UI/projdialog.py (ProjFrame._OnSave): Add missing
+         parameter in call to SetClientData.
+         (GeoPanel): Add support for selecting the units that the
+         source data is in (Radians or Degrees).
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Optimize
+         the rendering loop by reducing the number of if's, removing the
+         unnecessary try/except block, and checking if the old group
+         is the same as the new one (which happens a lot if there is
+         no classification, or lots of shapes are in the same group).
+         * Thuban/UI/view.py (MapCanvas.OnPaint): Add a try/except block
+         around the redraw routine to try to catch problems that the user
+         may create by selecting invalid projections for the data set and
+         map. Clears the display if there are any problems and prints the
+         error.
+         (MapCanvas.do_redraw): Use DC.Clear() instead of drawing a filled
+         rectangle.
+         * extensions/thuban/wxproj.cpp (project_point): First invert the
+         supplied point (which should be in projected coordinates) using
+         the layer's projection and then project the point using the
+         map's projection.
+         (project_points): Use project_point() to project each point.
+-04-30  Jan-Oliver Wagner <[email protected]>
+         * Thuban/Model/layer.py (Layer.SetShapeStore): Fixed a bug:
+         don't set the Classification to None if the classfication field
+         is None (ie only a DEFAULT).
+-04-30  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/view.py: Fix some typos.
+         * Thuban/UI/mainwindow.py (MainWindow.identify_view_on_demand): Do
+         not pop up the dialog if the selection becomes empty (this could
+         happen if e.g. a new selection is opened while the identify tool
+         is active and dialog had been closed)
+-04-30  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/transientdb.py (TransientTableBase.__init__): New
+         instance variable read_record_last_result
+         (TransientTableBase.read_record): Make sure reading the same
+         record twice works. The implementation uses the new instance
+         variable read_record_last_result
+         * test/test_transientdb.py
+         (TestTransientTable.test_transient_table_read_twice): New test
+         case for the above bug-fix.
+-04-29  Jonathan Coles   <[email protected]>
+         * Thuban/common.py: Removed. No longer needed Str2Num. RTbug #1832.
+         * Thuban/UI/classgen.py: Remove all uses of Str2Num.
+         * Thuban/UI/classifier.py: Remove all uses of Str2Num.
+         (ClassTable.SetValueAsCustom): Rename keyword argument in
+         ClassGroup* constructors to match argument name.
+-04-29  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/session.py (Session.Destroy): Explicitly close the
+         transient DB if it exists to make sure it doesn't leave a journal
+         file in the temp directory.
+         * Thuban/Model/transientdb.py (TransientDatabase.close): Set
+         self.conn to None after closing the connection to make sure it's
+         not closed twice
+-04-29  Jonathan Coles   <[email protected]>
+         Add a visible parameter in the layer XML tag. The default value is
+         "true". If anything other than "false" is specified we also assume
+         "true". Addresses RTbug #1025.
+         * Doc/thuban.dtd: Add visible parameter to a layer.
+         * Thuban/Model/layer.py (BaseLayer.__init__): Change default value
+         of visible from 1 to True.
+         (Layer.__init__): Change default value of visible from 1 to True.
+         * Thuban/Model/load.py (SessionLoader.start_layer): Read visible
+         parameter.
+         * Thuban/Model/save.py (SessionSaver.write_layer): Save visible
+         parameter.
+         * test/test_load.py: Add new test data contents_test_visible.
+         (LoadSessionTest.setUp): save test data.
+         (LoadSessionTest.testLayerVisibility): Test if the visible flag
+         is loaded correctly.
+         * test/test_save.py (SaveSessionTest.testSingleLayer): Add test
+         for saving an invisible layer.
+-04-29  Jonathan Coles   <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.SetMap): Look up the
+         legend dialog box and tell it to change its map to the one
+         supplied to SetMap(). Fixes RTbug #1770.
+-04-29  Bernhard Herzog  <[email protected]>
+         Next step of table implementation. Introduce a transient database
+         using SQLite that some of the data is copied to on demand. This
+         allows us to do joins and other operations that require an index
+         for good performance with reasonable efficiency. Thuban now needs
+         SQLite 2.8.0 and pysqlite 0.4.1. Older versions may work but I
+         haven't tested that.
+         * Thuban/Model/transientdb.py: New. Transient database
+         implementation.
+         * test/test_transientdb.py: New. Tests for the transient DB
+         classes.
+         * Thuban/Model/session.py (AutoRemoveFile, AutoRemoveDir): New
+         classes to help automatically remove temporary files and
+         directories.
+         (Session.__init__): New instance variables temp_dir for the
+         temporary directory and transient_db for the SQLite database
+         (Session.temp_directory): New. Create a temporary directory if not
+         yet done and return its name. Use AutoRemoveDir to have it
+         automatically deleted
+         (Session.TransientDB): Instantiate the transient database if not
+         done yet and return it.
+         * Thuban/Model/data.py (ShapefileStore.__init__): Use an
+         AutoTransientTable so that data is copied to the transient DB on
+         demand.
+         (SimpleStore): New class that simply combines a table and a
+         shapefile
+         * Thuban/Model/table.py (Table, DBFTable): Rename Table into
+         DBFTable and update its doc-string to reflect the fact that this
+         is only the table interface to a DBF file. Table is now an alias
+         for DBFTable for temporary backwards compatibility.
+         * Thuban/UI/application.py (ThubanApplication.OnExit): Make sure
+         the last reference to the session goes away so that the temporary
+         files are removed properly.
+         * test/test_load.py (LoadSessionTest.tearDown): Remove the
+         reference to the session to make sure the temporary files are
+         removed.
+-04-29  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/load.py (XMLReader.__init__, XMLReader.read): Turn
+         the __parser instance variable into a normal local variable in
+         read. It's only used there and read will never be called more than
+         once. Plus it introduces a reference cycle that keeps can keep the
+         session object alive for a long time.
+-04-29  Jonathan Coles   <[email protected]>
+         * Thuban/Model/proj.py (Projection): Removed Set*() methods to make
+         Projection an immutable item. Fixes RTbug #1825.
+         (Projection.__init__): Initialize instance variables here.
+         (ProjFile.Replace): New. Replace the given projection object with
+         the new projection object. This solves the problem of needing the
+         mutator Projection.SetProjection() in the ProjFrame class and
+         allows a projection to change parameters without changing its
+         location in the file.
+         * Thuban/UI/mainwindow.py (MainWindow.SaveSessionAs): Dialog should
+         be of type wxSAVE and should verify overwriting a file.
+         * Thuban/UI/projdialog.py (ProjFrame._OnSave): Use the new
+         ProjFile.Replace() method instead of the mutator
+         Projection.SetProjection(). Also requires that we reassign the
+         client data to the new projection.
+         * test/test_proj.py (TestProjection.test): Test GetName() and
+         GetAllParameters()
+         (TestProjFile.test): Remove tests for Set*() methods. Add tests
+         for Replace().
+-04-25  Jonathan Coles   <[email protected]>
+         * Thuban/Model/save.py (SessionSaver.write_projection): Make sure
+         to save the name of the projection.
+         * test/test_save.py (SaveSessionTest.testLayerProjection): New
+         test to verify layer projections are saved correctly.
+-04-25  Jonathan Coles   <[email protected]>
+         * Thuban/Model/proj.py (Projection.SetName): Set the name
+         to "Unknown" if name is None.
+         (Projection.SetAllParameters): New. Set the projection's
+         parameter list to the one supplied.
+         (Projection.SetProjection): New. Set the projection's
+         properties to those of the supplied Projection.
+         * Thuban/UI/mainwindow.py (MainWindow.MapProjection): Set
+         the dialog title to include the map's title.
+         (MainWindow.LayerProjection): Set the dialog title to include
+         the layer's title.
+         * Thuban/UI/projdialog.py (ProjFrame.__ShowError): Consolidate
+         error dialogs into a single method call.
+         (ProjFrame.__VerifyButtons): Add more states to check.
+         (ProjFrame.__GetProjection): Return the current state of an
+         edited projection or None.
+         (ProjFrame.__FillAvailList): Remove checks for states that
+         shouldn't exist.
+         (ProjFrame._OnNew): Clear all selected items and supply
+         a projection panel if necessary.
+         * test/test_proj.py (TestProjFile.test): Add tests for
+         ProjFile.SetAllParameters, ProjFile.SetProjection,
+         ProjFile.SetName.
+-04-25  Jonathan Coles   <[email protected]>
+         * Thuban/UI/projdialog.py (ProjFrame.__FillAvailList): Now
+         takes an optional argument to select the current projection.
+         This does not guarantee that the item is visible due to
+         limited wxWindows functionality. Fixes RTBug #1821.
+-04-25  Jonathan Coles   <[email protected]>
+         * Thuban/Model/load.py (SessionLoader.start_projection): Remember
+         the projection name and use it when constructing the Projection
+         object.
+         * Thuban/Model/proj.py (Projection.__init__): Change the default
+         value for 'name' to None and then test if name is equal to None
+         in the body of the constructor. This way the caller doesn't have to
+         know what the default value should be. Namely, useful in load.py
+         where we have to pick a default value if the 'name' parameter
+         doesn't exist in the XML file.
+         * test/test_load.py (LoadSessionTest.testLayerProjection): New.
+         Tests a file where a layer has a projection.
+-04-25  Jonathan Coles   <[email protected]>
+         * Thuban/Model/layer.py (Layer.TreeInfo): Add an item to the
+         tree for projection information.
+         * Thuban/Model/load.py (XMLReader.GetFilename): Renamed from
+         XMLReader.GetFileName.
+         (SessionLoader): Added support for loading projection tags that
+         appear inside a layer.
+         * Thuban/Model/proj.py (ProjFile): Document the class. Move
+         back to using a list because the order of the projections in
+         the file is important to maintain. Fixes RTbug #1817.
+         * Thuban/Model/resource.py: Rename calls to ProjFile.GetFileName
+         to ProjFile.GetFilename.
+         * Thuban/Model/save.py (SessionSaver.write_layer): Save projection
+         information.
+         * Thuban/UI/projdialog.py (ProjFrame._OnAddToList): Renamed from
+         ProjFrame._OnSaveAs. Removed old dead code from previous
+         implementation.
+         (ProjFrame._OnExport): Add support for exporting more than one
+         projection to a single file.
+         (ProjFrame.__FillAvailList): use string formatting (% operator)
+         to build strings that are (partly) translated. Fixes RTbug #1818.
+         * test/test_proj.py (TestProjFile.test): New. Tests the base ProjFile
+         class.
+-04-24  Bernhard Herzog  <[email protected]>
+         * po/es.po: Updated Spanish translation by Daniel Calvelo Aros
+         * po/fr.po: New. French translation by Daniel Calvelo Aros
+         * Thuban/UI/projdialog.py (ProjFrame._OnSaveAs): Don't translate
+         empty strings.
+-04-24  Jonathan Coles   <[email protected]>
+         * Thuban/Model/layer.py (Layer.GetProjection): New. Needed to
+         implement the interface that the ProjFrame dialog expects.
+         * Thuban/Model/proj.py (Projection.SetName): New. Allows the
+         name of the projection to be changed.
+         (ProjFile): Use a dictionary instead of a list so that removing
+         projections is easier and we are sure about uniqueness.
+         (ProjFile.Remove): Remove the given projection object.
+         * Thuban/Model/resource.py (GetSystemProjFiles, GetUserProjFiles):
+         Return a list with only one projection file instead of searching for
+         any projection file. This simplifies many things if the user can
+         only have one system file and one user file.
+         * Thuban/UI/classgen.py: Change all references to
+         genCombo to genChoice.
+         * Thuban/UI/mainwindow.py: Add a Projection option under the
+         layer menu.
+         (MainWindow.LayerProjection): New. Open up a projection window
+         for a layer.
+         * Thuban/UI/projdialog.py: Large changes to how the dialog is
+         laid out. Use three panels instead of one. One for the list of
+         projections, one for the edit controls, and one for the buttons.
+         Fixed resizing problems so that the dialog resizes correctly
+         when the projection panel changes. Added import/export, save, and
+         new buttons/functionality.
+-04-24  Bernhard Herzog  <[email protected]>
+         First step towards table management. Introduce a simple data
+         abstraction so that we replace the data a layer uses more easily
+         in the next step.
+         * Thuban/Model/data.py: New file with a simple data abstraction
+         that bundles shapefile and dbffile into one object.
+         * Thuban/Model/session.py (Session.OpenShapefile): New method to
+         open shapefiles and return a shape store object
+         * Thuban/Model/layer.py (Layer.__init__): Pass the data as a store
+         object instead of a shapefile filename. This introduces a new
+         instance variable store holding the datastore. For intermediate
+         backwards compatibility keep the old instance variables.
+         (open_shapefile): Removed. No longer needed with the shape store.
+         (Layer.SetShapeStore, Layer.ShapeStore): New methods to set and
+         get the shape store used by a layer.
+         (Layer.Destroy): No need to explicitly destroy the shapefile or
+         table anymore.
+         * Thuban/UI/mainwindow.py (MainWindow.AddLayer)
+         (MainWindow.AddLayer): Use the session's OpenShapefile method to
+         open shapefiles
+         * Thuban/Model/load.py (ProcessSession.start_layer): Use the
+         session's OpenShapefile method to open shapefiles
+         * test/test_classification.py
+         (TestClassification.test_classification): Use the session's
+         OpenShapefile method to open shapefiles and build the filename in
+         a more platform independed way
+         * test/test_layer.py (TestLayer.setUp, TestLayer.tearDown):
+         Implement to have a session to use in the tests
+         (TestLayer.test_arc_layer, TestLayer.test_polygon_layer)
+         (TestLayer.test_point_layer, TestLayer.test_empty_layer): Use the
+         session's OpenShapefile method to open shapefiles
+         (TestLayerLegend.setUp): Instantiate a session so that we can use
+         it to open shapefiles.
+         (TestLayerLegend.tearDown): Make sure that all references to
+         layers and session are removed otherwise we may get a resource
+         leak
+         * test/test_map.py (TestMapAddLayer.test_add_layer)
+         (TestMapWithContents.setUp): Instantiate a session so that we can
+         use it to open shapefiles.
+         (TestMapWithContents.tearDown): Make sure that all references to
+         layers, maps and sessions are removed otherwise we may get a
+         resource leak
+         ("__main__"): use support.run_tests() so that more info about
+         uncollected garbage is printed
+         * test/test_save.py (SaveSessionTest.testSingleLayer): Use the
+         session's OpenShapefile method to open shapefiles
+         ("__main__"): use support.run_tests() so that more info about
+         uncollected garbage is printed
+         * test/test_selection.py (TestSelection.tearDown): Make sure that
+         all references to the session and the selection are removed
+         otherwise we may get a resource leak
+         (TestSelection.get_layer): Instantiate a session so that we can
+         use it to open shapefiles.
+         ("__main__"): use support.run_tests() so that more info about
+         uncollected garbage is printed
+         * test/test_session.py (TestSessionBase.tearDown)
+         (TestSessionWithContent.tearDown): Make sure that all references
+         to the session and layers are removed otherwise we may get a
+         resource leak
+         (TestSessionWithContent.setUp): Use the session's OpenShapefile
+         method to open shapefiles
+-04-24  Jonathan Coles   <[email protected]>
+         * Thuban/Model/load.py (XMLReader.read): Should have been checking
+         if the file_or_filename object had the 'read' attribute.
+-04-23  Jonathan Coles   <[email protected]>
+         * Thuban/Model/resource.py: Fixes RTbug #1813.
+         (ReadProjFile): Add documentation about which exceptions are raised.
+         Always pass the exceptions up to the caller.
+         (GetProjFiles): If the directory can't be read return an empty list.
+         If any of the proj files can't be read skip that file and go
+         on to the next one.
+         * test/test_proj.py: Added test cases to handle nonexistent files,
+         unreadable files, and files that don't parse correctly.
+-04-23  Jonathan Coles   <[email protected]>
+         Projection dialog. Allows the user to select from a list
+         of projection templates and optionally edit them and save new ones.
+         * Thuban/UI/projdialog.py (ProjFrame): New. Main dialog.
+         (ProjPanel): Base class for projection specific panels.
+         (TMPanel): Projection panel for Transverse Mercartor.
+         (UTMPanel): Projection panel for Universal Transverse Mercartor.
+         (LCCPanel): Projection panel for Lambert Conic Conformal.
+         (GeoPanel): Projetion panel for Geographic Projection.
+-04-23  Jonathan Coles   <[email protected]>
+         * Thuban/Model/load.py (XMLReader): Renamed from XMLProcessor to
+         promote symmetry. There now exists XMLReader and XMLWriter.
+         (XMLReader.read): New. Call to read the given file descriptor or
+         filename.
+         (XMLReader.close): New. Make sure the file is closed.
+         (XMLReader.GetFileName): New. Return just the file name that is being
+         read from.
+         (XMLReader.GetDirectory): New. Return just the directory of the file
+         that is being read.
+         (XMLReader.AddDispatchers): New. Take a dictionary which contains
+         the names of functions to call as the XML tree is parsed.
+         (XMLReader.startElementNS): Updated to use new dispatcher dictionary.
+         (XMLReader.endElementNS): Updated to use new dispatcher dictionary.
+         (SessionLoader): Removed class variables start_dispatcher and
+         end_dispatcher since this functionality is now part of a class
+         instance. Fixes RTbug #1808.
+         (SessionLoader.__init__): Add dispatcher functions.
+         (load_xmlfile): Code was moved into the XMLReader.read().
+         (load_session): Use modified SessionLoader.
+         * Thuban/Model/map.py (Map.GetProjection): New. Returns the
+         map's projection.
+         * Thuban/Model/proj.py (Projection.GetParameters): Renamed to
+         GetAllParameters.
+         (Projection.GetParameter): Returns the value for the given parameter.
+         * Thuban/Model/resource.py: Use XMLReader and XMLWriter.
+         (GetProjFiles): Renamed from GetProjections. Now returns a list
+         of ProjFile objects.
+         (GetSystemProjFiles): Renamed from GetSuppliedProjections. Returns
+         a list of ProjFile objects whose files are not user defined.
+         (GetUserProjFiles): Renamed from GetUserProjections. Returns a
+         list of ProjFile objects whose files are user defined.
+         (ProjFileReader): Extend new XMLReader.
+         * Thuban/Model/save.py (XMLWriter): Renamed from XMLSaver to
+         promote symmetry.
+         * Thuban/UI/classgen.py (ClassGenDialog.__init__): Use a wxChoice
+         control instead of a wxComboBox. wxChoice controls do not generate
+         events as the uses highlights possible choices which fixes problems
+         with resizing the dialog when the use selects an option.
+         * Thuban/UI/classifier.py (Classifier.__init__): Use a wxChoice
+         control instead of a wxComboBox.
+         * Thuban/UI/mainwindow.py (MainWindow.Projection): Use new projection
+         dialog.
+         * test/test_proj.py (TestProjection.test): New tests for GetParameter
+         method.
+-04-22  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py: Remove some unused imports and global
+         constants
+         * Thuban/UI/identifyview.py (IdentifyListCtrl.selected_shape)
+         (IdentifyGridCtrl.selected_shape): Use table, not shapetable.
+-04-17  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/layer.py: Don't import LAYER_LEGEND_CHANGED.
+         (Layer): Update doc-string since LAYER_LEGEND_CHANGED is not used
+         anymore.
+         (Layer.BoundingBox, Layer.GetFieldType, Layer.NumShapes)
+         (Layer.ShapeType, Layer.Shape): No need to call
+         self.open_shapefile since it's always called in __init__
+         * Thuban/UI/application.py (ThubanApplication.MainLoop): Removed.
+         In wxPython 2.4 there's no need to extend MainLoop anymore since
+         wxPython itself makes sure OnExit is called.
+-04-16  Jonathan Coles   <[email protected]>
+         Initial putback of projection management code. Includes new
+         classes to read and write projection files. The current load
+         and save classes were abstracted a bit so they could be reused.
+         The Projection class was extended to provide new methods and
+         have a name.
+         * Thuban/Model/load.py (XMLProcessor): New. Contains all the
+         general XML reading methods that were part of ProcessSession.
+         * Thuban/Model/proj.py (Projection.__init__): Accepts an optional
+         name.
+         (ProjFile): New. Represents a file that contains projection
+         information.
+         * Thuban/Model/resource.py: New. Contains general utilities
+         for read and writing projection files.
+         * Thuban/Model/save.py (XMLSaver): New. Contains all the
+         general XML writing methods that were part of SessionSaver.
+         (SessionSaver): Renamed from Saver.
+         * test/test_proj.py: New test cases for the projection
+         file read and write functions.
+-04-16  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py: Use repr() around values
+         in the ClassGroup*.__repr__() methods so it is clearer when
+         a value is a string and when it is a number.
+         * test/test_load.py: Rework the classification test to test
+         that we can load old files.
+         (testLabels): Test a file where the groups have labels.
+-04-16  Bernhard Herzog  <[email protected]>
+         Safer implementation of the performance enhancements of the
+         low-level renderer:
+         * extensions/thuban/wxproj.cpp (extract_projection)
+         (extract_pointer): Rename extract_projection to extract_pointer
+         and redefine its purpose to return the pointer stored in a CObject
+         returned by the object's cobject method. Update all callers.
+         (s_draw_info, free_draw_info, draw_polygon_init): Implement the
+         handling of these low-level parameters so that each s_draw_info
+         instance is handled as a CObject at python level that also
+         contains real references to the actual python objects which
+         contain the values in the struct. Add free_draw_info as the
+         destructor.
+         (draw_polygon_shape): Add the py_draw_info parameter which must a
+         cobject containing an s_draw_info pointer.
+         * Thuban/UI/renderer.py (MapRenderer.polygon_render_param): New
+         method to instantiat the low-level render parameter
+         (MapRenderer.draw_shape_layer): Use the new method. Remove some
+         commented out code.
+         (MapRenderer.draw_polygon_shape): Make the first parameter not the
+         layer but the low-level render parameter
+         (ScreenRenderer.draw_shape_layer): Use the low-level render
+         parameter.
+-04-15  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py: Implemented __repr__ for
+         the ClassGroup* classes to make debugging a bit easier.
+         (ClassGroup.SetLabel): Check that the string is an instance
+         of StringTypes not StringType. Accounts for Unicode strings.
+         * Thuban/Model/color.py: Implemented __repr__ to make
+         debugging a bit easier.
+         * Thuban/Model/save.py (Saver.write_classification): Need to
+         save the group label.
+         * test/test_load.py (testClassification): New. Loads the
+         iceland_sample_test.thuban file and checks if it was loaded
+         correctly.
+-04-15  Jonathan Coles   <[email protected]>
+         * extensions/thuban/wxproj.cpp (draw_polygon_init): New. Used
+         to improve rendering performance by initializing the variables
+         that are not change each time draw_polygon_shape() is called.
+         The values are stored in a global struct draw_info.
+         (draw_polygon_shape): Removed initialization code that is
+         now in draw_polygon_init().
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Make
+         drawing initialization call to draw_polygon_init()
+         (MapRenderer.draw_polygon_shape): Use new signature of
+         draw_polygon_shape.
+         * Thuban/UI/classgen.py (GenUniformPanel): Fix spin control
+         weirdness by setting the range to (1, maxint).
+         * Thuban/Model/classification.py (ClassGroupProperties): Make
+         instance variables private and optimize comparison operator
+         by first checking if the color references are the same.
+         (ClassGroupSingleton): Make instance variables private.
+         (ClassGroupRange): Make instance variables private.
+         * HOWTO-Release: Filled in missing steps for releasing packages.
+-04-15  Bernhard Herzog  <[email protected]>
+         First stab at internationalized messages:
+         * Thuban/__init__.py (_): Implement the translation function for
+         real using the python gettext module.
+         * Thuban/UI/classifier.py (ClassTable.GetRowLabelValue): Don't
+         translate empty strings.
+         * Thuban/UI/application.py (ThubanApplication.read_startup_files):
+         Add a missing space to a warning message
+         * po/README: New. Notes about the management of the translation
+         files.
+         * po/Makefile: New. Makefile to help manage the translation files.
+         * po/es.po: New. Spanish translation by Daniel Calvelo Aros
+         * MANIFEST.in: Include the *.mo files in Resources/Locale and the
+         translations and support files in po/
+         * setup.py (data_files): Add the *.mo files to the data_files too
+         * README: Add note about the translations when building from CVS
+-04-14  Jonathan Coles   <[email protected]>
+         * Thuban/UI/dock.py: Fixes some window resizing problems most
+         noticable under windows. Always assume the button bitmaps will
+         be there. Code clean up.
+         (DockabelWindow.Dock, DockableWindow.UnDock): Force all the
+         images for the dock/undock button to the same images.
+         Work around for RTbug #1801.
+         * Thuban/UI/legend.py (LegendPanel.__init__): The toolbar should
+         be allowed to grow within the sizer. Fixes a bug under Windows
+         where the toolbar wasn't being drawn.
+-04-14  Frank Koormann   <[email protected]>
+         * Resources/Bitmaps/dock_12.xpm, Resources/Bitmaps/undock_12.xpm:
+         Updated design to try to make the button functionality more
+         transparent.
+-04-14  Jonathan Coles   <[email protected]>
+         * Thuban/UI/legend.py (LegendPanel.__init__): Call Create() to
+         finalize the intialization of the panel.
+         * Thuban/UI/dock.py (DockPanel.Create): New. Finalizes the
+         creation of the panel. Should be the last thing called in the
+         initializer of a subclass.
+         * Thuban/UI/classgen.py (ClassGenDialog.__init__): Actively
+         set the current selections in the combo boxes. This is needed
+         under Windows.
+         * Thuban/UI/classifier.py (Classifier.__init__): Add a top
+         level panel to the dialog so that the background colors are
+         consistent under Windows.
+-04-11  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classgen.py: Change color ramps to start at white
+         not black.
+         * Thuban/UI/legend.py: Enable/disable the legend buttons when
+         the legend changes. Fixes RTbug #1793.
+         * test/test_classification.py: Added test for copying of
+         classifications.
+-04-11  Jonathan Coles   <[email protected]>
+         * Thuban/UI/resource.py: New. Centralize the loading of resources
+         such as bitmaps.
+         * Thuban/UI/classgen.py (GenUniquePanel.__init__): Reordered buttons,
+         added images to the move buttons, added 'reverse' button.
+         (CustomRampPanel.__init__): Added images to the move buttons.
+         (GreyRamp): New. Generates a ramp from white to black.
+         (HotToColdRamp): New. Generates a ramp from cold to hot colors.
+         * Thuban/UI/classifier.py: Refactored ID's from ID_CLASSIFY_* to
+         ID_PROPERTY_*.
+         (Classifier.__init__): Minor changes to the layout.
+         (Classifier._OnTitleChanged): Listen for when the user edits the
+         title and update the dialog's title and the layer's title.
+         * Thuban/UI/dock.py: Use new bitmaps for the control buttons.
+         * Thuban/UI/legend.py: Use new bitmaps for the control buttons.
+         (LegendTree._OnMsgLayerTitleChanged): Change the displayed title
+         if the layer's title changes.
+         * Thuban/UI/mainwindow.py: Added new menu item and associated code
+         to open a dialog to rename the map.
+         (MainWindow): Use new resource class to import bitmaps.
+-04-11  Jonathan Coles   <[email protected]>
+         * Resources/Bitmaps/close_12.xpm, Resources/Bitmaps/dock_12.xpm,
+         Resources/Bitmaps/group_use.xpm, Resources/Bitmaps/group_use_all.xpm,
+         Resources/Bitmaps/group_use_none.xpm,
+         Resources/Bitmaps/group_use_not.xpm,
+         Resources/Bitmaps/hide_layer.xpm,
+         Resources/Bitmaps/layer_properties.xpm,
+         Resources/Bitmaps/lower_layer.xpm, Resources/Bitmaps/raise_layer.xpm,
+         Resources/Bitmaps/show_layer.xpm, Resources/Bitmaps/undock_12.xpm:
+         New.
+-04-10  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py: (ClassGroupRange.__init__):
+         Should pass group to ClassGroup constructor.
+-04-10  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py: (ClassGroup): Move all the common
+         methods of the derived classes ([Set|Get]Properties(), __eq__, __ne__)
+         here. Implement SetVisible(), IsVisible().
+         (ClassGroup.__init__): Add group parameter which acts as a copy
+         constructor.
+         * Thuban/UI/classifier.py (ClassTable): Add a new column for the
+         "Visible" check boxes.
+         (Classifier): Rename the buttons and refactor the code to match
+         the new labels.
+         * Thuban/UI/legend.py: Classify button is now called "Properties".
+         Refactored the code to change variable names.
+         (LegendTree.__FillTreeLayer): Only list a group if it is visible.
+         * Thuban/UI/mainwindow.py: MainWindow.OpenClassifier renamed to
+         MainWindow.OpenLayerProperties. MainWindow.LayerEditProperties
+         renamed to MainWindow.LayerEditProperties.
+         (MainWindow.ToggleLegend): Don't include map name in legend title.
+         (MainWindow.SetMap): Added the map name to the window title.
+         (MainWindow.LayerFillColor, MainWindow.LayerTransparentFill,
+         MainWindow.LayerOutlineColor, MainWindow.LayerNoOutline): Removed.
+         Functionality is found in the layer properties dialog.
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Only
+         draw visible groups.
+-04-09  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classgen.py: Modifications to allow simple
+         addition and selection of new color schemes.
+         (MonochromaticRamp): New. Generates a ramp between two colors.
+         (RedRamp): New. Generates a ramp of all red.
+         (GreenRamp): New. Generates a ramp of all green.
+         (BlueRamp): New. Generates a ramp of all blue.
+-04-09  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py (Classification.__deepcopy__):
+         Need to copy over field and fieldType attributes.
+         * Thuban/Model/table.py (Table.field_range): New. Retrive the
+         maximum and minimum values over the entire table for a given
+         field.
+         (Table.GetUniqueValues): New. Retrieve all the unique values
+         in the table for a given field.
+         * Thuban/UI/classgen.py: Renamed GenRangePanel to GenUniformPanel.
+         (GenUniquePanel): New. Controls to allow the user to select
+         which unique field values they would like in the classification.
+         (CustomRampPanel): Code that was in ClassGenDialog that allows
+         the user to select the properties for a custom ramp.
+         (ClassGenerator.GenUniformDistribution): Was called GenerateRanges.
+         * Thuban/UI/classifier.py: Removed a lot of debugging code.
+         (Classifier._SetClassification): Callback method so that the
+         class generator can set the classification in the grid.
+         (ClassGroupPropertiesCtrl): New. Encapsulates the drawing and
+         editing of a group properties class into a wxWindows control.
+         * Thuban/UI/dock.py: It was decided that if the user closes
+         a dockable window the window should simply hide itself. That
+         way if the user wants to show the dock again it appears in the
+         same place as it was when it was closed.
+         (DockableWindow.Destroy): Call renamed method OnDockDestroy().
+         (DockableWindow._OnButtonClose): Hide the window instead of
+         destroying it.
+         (DockableWindow._OnClose): Hide the window instead of
+         destroying it.
+         * Thuban/UI/legend.py (LegendTree): Use a private method to
+         consistently set the font and style of the text. Fixes RTbug #1786.
+         * Thuban/UI/mainwindow.py: Import just the Classifier class.
+-04-07  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (main_menu): Move the toggle_legend item
+         to the map module
+-04-07  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.ShowSessionTree): Removed in
+         favor of ToggleSessionTree
+         (MainWindow.ToggleSessionTree): New method to toggle visibility of
+         the session tree.
+         (MainWindow.SessionTreeShown): New method to return whether the
+         session tree is currently shown.
+         (MainWindow.ToggleLegend): New method to toggle visibility of the
+         legend
+         (MainWindow.ShowLegend): Implement in terms of ToggleLegend and
+         LegendShown
+         (MainWindow.LegendShown): New method to return whether the legend
+         is currently shown.
+         (_method_command): Add checked parameter so we can define check
+         menu items
+         (_has_tree_window_shown, _has_legend_shown): Use the appropriate
+         mainwindow methods.
+         (show_session_tree, show_legend commands): Removed.
+         (toggle_session_tree, toggle_legend commands): New commands to
+         toggle the visibility of the dialogs
+-04-07  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classgen.py: Fix Windows problem.
+         * Thuban/UI/dock.py: Fix Windows problem.
+         * Thuban/UI/mainwindow.py: Use False instead of false.
+         (MainWindow.ShowLegend): Remove unnecessary switch parameter.
+-04-07  Jonathan Coles   <[email protected]>
+         Since we now say that the order of the groups in a classification
+         matters, it makes sense to be able to manipulate that order. Most
+         of the changes to Thuban/Model/classification.py are to that end.
+         * Thuban/Model/classification.py (Classification.AppendGroup,
+         Classification.InsertGroup, Classification.ReplaceGroup,
+         Classification.RemoveGroup, Classification.GetGroup): Do as the
+         names imply.
+         (Classification.FindGroup): This was called GetGroup, but GetGroup
+         takes an index, while FindGroup takes a value.
+         (Classification.__deepcopy__): Copy all the groups, BUT NOT THE LAYER
+         REFERENCE. Currently there is a cyclic reference between the layer
+         and its classification. If the classification doesn't need to know
+         its owning layer we can change this, since it may make sense to be
+         able to use the same classification with different layers.
+         * Thuban/Model/load.py: Use Classification.AppendGroup(), not AddGroup()
+         * Thuban/UI/classgen.py: Use Classification.AppendGroup(),
+         not AddGroup()
+         * Thuban/UI/classifier.py: Now that we can depend on the order in
+         a Classification and have methods to manipulate that order we don't
+         need to use our own data structures in the grid. We can simply make
+         the grid/table access the information they need from a copy of
+         the classification object.
+         (Classifier._OnCloseBtn): Event handler for when the user clicks
+         'Close'. This is needed so if the user applies changes and then
+         continues to change the table the user has the option of discarding
+         the most recent changes and keeping what they applied.
+         * Thuban/UI/mainwindow.py: Put "Show Legend" and "Show Session Tree"
+         into the same group.
+         * extensions/thuban/wxproj.cpp (check_version): If Thuban is compiled
+         with a really old version of proj, PJ_VERSION won't even be defined.
+         If it isn't defined then just compile so that the function always
+         returns Py_False.
+         * test/test_classification.py: Fix tests to use the renamed methods.
+         Still need to write tests for the new methods.
+-04-04  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classifier.py (Classifier.__SelectField): Move the
+         call to SetSelection out of the method and before the call
+         to __SelectField in __init__. This prevents a recursion of events
+         when _OnFieldSelect is triggered by the user.
+-04-04  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py: Rename Color.None to
+         Color.Transparent.
+         (ClassGroupProperties.SetLineColori, ClassGroupProperties.SetFill):
+         Don't bother copying the color, since Colors are immutable.
+         * Thuban/Model/color.py, Thuban/Model/layer.py, Thuban/Model/load.py,
+         Thuban/UI/classifier.py, Thuban/UI/mainwindow.py,
+         Thuban/UI/renderer.py, Thuban/UI/view.py:
+         Rename Color.None to Color.Transparent.
+         * test/test_classification.py, test/test_load.py: Rename Color.None
+         to Color.Transparent.
+-04-04  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py: Fix assert calls.
+         (ClassGroupProperties.SetLineColor, ClassGroupProperties.SetFill):
+         Copy the color parameter rather than hold onto a reference.
+         * Thuban/Model/color.py (Color.__copy__, Color.__deepcopy): Copy
+         the color object.
+         (NoColor.__copy__, NoColor.__deepcopy): Return 'self' so that we
+         are sure there exists only one refernce to Color.None in the system.
+         This allows us to use 'is' rather than the comparision functions.
+         * Thuban/Model/save.py: Fix assert calls.
+         * Thuban/UI/classifier.py: Fix assert calls.
+         (ClassGrid._OnCellDClick): Call up to the classifier to open the
+         dialog to edit the groups properties.
+         (ClassGrid._OnCellResize): Make sure that the scollbars are drawn
+         correctly if a cell is resized.
+         (ClassTable.SetClassification): New. Changes the classification
+         that is in the table.
+         (ClassTable.__SetRow): Allow groups to be prepended.
+         (Classifier): New code for opening the EditProperties and
+         GenerateRanges dialogs.
+         (SelectPropertiesDialog.__GetColor): Only set the color in the
+         color dialog if the current color is not None.
+         * Thuban/UI/dock.py: Fix assert calls.
+         * Thuban/UI/legend.py: Fix assert calls.
+         * Thuban/UI/renderer.py: Fix assert calls.
+         * Thuban/UI/classgen.py (ClassGenDialog): Dialog for generating
+         classifications.
+         (GenRangePanel): Panel specific to range generation.
+         (GenSingletonPanel): Panel specific to singleton generation.
+         (ClassGenerator): Class responsible for actually generating
+         the classification from the data gathered in the dialog box.
+         (PropertyRamp): Generates properties whose values range from
+         a starting property to an ending property.
+-04-03  Bernhard Herzog  <[email protected]>
+         * test/support.py (print_garbage_information): New function that
+         prints information about still connected messages and memory
+         leaks.
+         (run_suite): Removed.
+         (run_tests): New function for use as a replacement of
+         unittest.main in the test_* files. This one calls
+         print_garbage_information at the end.
+         * test/runtests.py (main): Use support.print_garbage_information
+         * test/test_layer.py: Use support.run_tests instead of
+         unittest.main so we get memory leak information
+         (TestLayer.test_arc_layer, TestLayer.test_polygon_layer)
+         (TestLayer.test_point_layer, TestLayer.test_empty_layer)
+         (TestLayerLegend.test_visibility): Call the layer's Destroy method
+         to fix a memory leak.
+         * test/test_classification.py: Use support.run_tests instead of
+         unittest.main so we get memory leak information
+         (TestClassification.test_classification): Call the layer's Destroy
+         method to fix a memory leak.
+-04-02  Bernhard Herzog  <[email protected]>
+         * extensions/thuban/wxproj.cpp (check_version, check_version_gtk):
+         Handle the reference counts of the return value and errors in
+         PyArg_ParseTuple correctly.
+         * Thuban/UI/application.py (ThubanApplication.OpenSession): Make
+         sure the filename is absolute to avoid problems when saving the
+         session again
+         * Thuban/Model/table.py: Remove unnecessary import. Fix a typo.
+-04-01  Jonathan Coles   <[email protected]>
+         *  Thuban/UI/renderer.py (MapRenderer.draw_point_shape): Check
+         that there actually are points in the returned list of points
+         before trying to index into the list. The list may be empty if
+         the shape is a Null Shape.
+-04-01  Bernhard Herzog  <[email protected]>
+         * test/test_map.py: Don't use from <module> import *
+-04-01  Jonathan Coles   <[email protected]>
+         * Thuban/Model/session.py: Use LAYER_CHANGED instead of
+         LAYER_LEGEND_CHANGED
+         * Thuban/UI/dock.py (DockableWindow._OnButtonClose): Call
+         self.Destroy() to close the window after yesterday's changes.
+         * test/test_map.py, test/test_session.py: Fix messages that
+         are sent from maps and layers.
+-03-31  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classifier.py: Commented out some debugging statements.
+         (ClassDataPreviewer.Draw): Draw rectangles for polygon layers per
+         RTbug #1769.
+         * Thuban/UI/dock.py (DockableWindow.UnDock): Restore size and
+         position (although position doesn't work yet under GTK).
+         (DockableWindow.Destroy): New. Called when the window must be
+         closed. Namely needed when the DockFrame closes and must close
+         its children.
+         (DockFrame): Listen for EVT_CLOSE and destroy all children.
+         * Thuban/UI/legend.py (LegendPanel.Destroy): New. Cleans up
+         when then window is told to close.
+         (LegendTree._OnMsgLayerChanged): Fixes a seg fault bug. See
+         comment in source for more info.
+         * Thuban/UI/main.py: Show the legend by default when Thuban starts.
+         * Thuban/UI/mainwindow.py: Renamed OnClose to _OnClose for
+         symmetry with other such methods.
+         (MainWindow.ShowLegend): Show the legend docked by default.
+-03-28  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classifier.py: Support for highlighting a specific
+         group within the grid when the classification dialog is opened.
+         Also contains a lot of debugging printouts which will later
+         be removed.
+         * Thuban/UI/dock.py: Complete rework on the dock code so that
+         that it is fairly removed from the rest of the Thuban application.
+         It is easy to add new docks which the rest of the program having
+         to be aware of them.
+         * Thuban/UI/legend.py: Modifications to support selecting a
+         specific group in the classification dialog. Changed how layers
+         are drawn when the layer is visible/invisible.
+         * Thuban/UI/mainwindow.py: Removed legend specific code and
+         replaced it with calls to the new dock code.
+         * Thuban/UI/renderer.py (MapRenderer.__init__): Added assert
+         to check if scale > 0. Trying to track down a divide by zero.
+-03-26  Jonathan Coles   <[email protected]>
+         * Thuban/UI/legend.py: Removed unnecessary LegendDialog class.
+         (LegendPanel): Removed _OnDock()/_OnUnDock() methods which are
+         now part of DockableWindow.
+         (LegendPanel.DoOnSelChanged): Select the current layer in the
+         map.
+         (LegendTree._OnSelChanged): Call LegendPanel.DoOnSelChanged()
+         with the selected layer and/or group.
+-03-26  Jonathan Coles   <[email protected]>
+         This putback contains the code for dockable windows. There is
+         no support in wxWindows as of this date for windows that can
+         attach themselves to other windows.
+         The current model contains a DockableWindow which has a parent
+         window for when it is detached and a dock window that it puts
+         its contents in when it is docked. The contents of a DockableWindow
+         must be a DockPanel. DockPanel itself derives from wxPanel.
+         * Thuban/Model/layer.py (Layer.ClassChanged): Send a LAYER_CHANGED
+         message, not a LAYER_LEGEND_CHANGED message.
+         * Thuban/Model/map.py (Map): Forward LAYER_CHANGED messages.
+         * Thuban/UI/classifier.py (Classifier.__init__): Use wxADJUST_MINSIZE
+         as one of the style properties for the fieldTypeText item to
+         be sure that its size is correct when the text changes.
+         * Thuban/UI/dock.py: New. Classes for the DockPanel and
+         DockableWindow.
+         * Thuban/UI/legend.py: Added some more buttons and made the
+         LegendPanel a DockPanel.
+         * Thuban/UI/mainwindow.py: Added sash windows to the main window
+         and supporting functions for manipulating the sashes.
+         (MainWindow.ShowLegend): Create a DockableWindow with the
+         LegendPanel as the contents.
+         * Thuban/UI/messages.py: Added DOCKABLE_* messages
+         * Thuban/UI/view.py (MapCanves.SetMap): Listen for LAYER_CHANGED,
+         not LAYER_LEGEND_CHANGED, messages.
+-03-25  Jonathan Coles   <[email protected]>
+         * setup.py: Added custom script bdist_rpm_build_script so that
+         when the rpm is built the path to wx-config is correct.
+         * setup.cfg: Added line saying to use the custom build script
+-03-20  Jonathan Coles   <[email protected]>
+         Initial implementation of the Legend.
+         * Thuban/UI/legend.py: New. Creates a window that shows the map's
+         Legend information and allows the user to add/modify classifications
+         and how the layers are drawn on the map.
+         * setup.py: New command 'build_docs' which currently uses
+         happydoc to generate html documentation for Thuban.
+         * Thuban/Model/classification.py (ClassGroup.GetDisplayText): New.
+         Returns a string which is appropriately describes the group.
+         * Thuban/Model/layer.py (Layer.SetClassification): Generate a
+         LAYER_CHANGED event instead of a LAYER_LEGEND_CHANGED event.
+         * Thuban/Model/map.py (Map): Rename messages and use new, more
+         specific, messages.
+         * Thuban/Model/messages.py: New message to indicate that a layer's
+         data has changed (LAYER_CHANGED). New map messages to indicate
+         when layers have been added/removed/changed or if the stacking order
+         of the layers has changed.
+         * Thuban/Model/session.py: Rename and use new messages.
+         * Thuban/UI/classifier.py: Remember if any changes have actually
+         been applied so that if the dialog is cancelled without an application
+         of changes we don't have to set a new classification.
+         (ClassDataPreviewer): Pulled out the window specific code and put it
+         ClassDataPreviewWindow. ClassDataPreviewer can then be used to draw
+         symbols on any DC.
+         * Thuban/UI/mainwindow.py: New code to open the legend.
+         * Thuban/UI/view.py: Use new message names.
+-03-19  Jonathan Coles   <[email protected]>
+         * Thuban/UI/main.py (verify_versions): New. Checks the versions
+         of Python, wxPython, and some other libraries.
+         * extensions/thuban/wxproj.cpp (check_version): Checks the given
+         version against what wxproj was compiled with.
+         (check_version_gtk): If wxproj was compiled with gtk then check
+         the given version against the version of the gtk library
+         currently being used.
+-03-14  Bernhard Herzog  <[email protected]>
+         * test/test_command.py: Run the tests when the module is run as a
+         script
+-03-14  Bernhard Herzog  <[email protected]>
+         Implement selection of multiple selected shapes in the same layer:
+         - Introduce a new class to hold the selection. This basically
+           replaces the interactor which was nothing more than the
+           selection anyway. A major difference is of course that the new
+           selection class supports multiple selected shapes in one layer
+         - Move the object that represents the selection from the
+           application to the canvas. The canvas is a better place than the
+           application because the selection represents which shapes and
+           layer of the map displayed by the canvas are selected and
+           affects how the map is drawn.
+         - Make the selection and its messages publicly available through
+           the mainwindow.
+         - The non-modal dialogs do not get a reference to the interactor
+           anymore as they can simply refer to their parent, the
+           mainwindow, for the what the interactor had to offer.
+         * Thuban/UI/selection.py: New module with a class to represent the
+         selection.
+         * Thuban/UI/messages.py (SELECTED_TABLE, SELECTED_MAP): Remove
+         these unused messages
+         * Thuban/UI/application.py (ThubanApplication.OnInit)
+         (ThubanApplication.OnExit, ThubanApplication.SetSession): The
+         interactor is gone now.
+         (ThubanApplication.CreateMainWindow): There is no interactor
+         anymore so we pass None as the interactor argument for now for
+         compatibility.
+         * Thuban/UI/view.py (MapCanvas.delegated_messages)
+         (MapCanvas.Subscribe, MapCanvas.Unsubscribe): In Subscribe and
+         Unsubscribe, delegate messages according to the delegated_messages
+         class variable.
+         (MapCanvas.__getattr__, MapCanvas.delegated_methods): Get some
+         attributes from instance variables as described with the
+         delegated_methods class variable.
+         (MapCanvas.__init__): New instance variable selection holding the
+         current selection
+         (MapCanvas.do_redraw): Deal with multiple selected shapes. Simply
+         pass them on to the renderer
+         (MapCanvas.SetMap): Clear the selection when a different map is
+         selected.
+         (MapCanvas.shape_selected): Simple force a complete redraw. The
+         selection class now takes care of only issueing SHAPES_SELECTED
+         messages when the set of selected shapes actually does change.
+         (MapCanvas.SelectShapeAt): The selection is now managed in
+         self.selection
+         * Thuban/UI/mainwindow.py (MainWindow.delegated_messages)
+         (MainWindow.Subscribe, MainWindow.Unsubscribe): In Subscribe and
+         Unsubscribe, delegate messages according to the delegated_messages
+         class variable.
+         (MainWindow.delegated_methods, MainWindow.__getattr__): Get some
+         attributes from instance variables as described with the
+         delegated_methods class variable.
+         (MainWindow.__init__): The interactor as ivar is gone. The
+         parameter is still there for compatibility. The selection messages
+         now come from the canvas.
+         (MainWindow.current_layer, MainWindow.has_selected_layer):
+         Delegate to the the canvas.
+         (MainWindow.LayerShowTable, MainWindow.Classify)
+         (MainWindow.identify_view_on_demand): The dialogs don't need the
+         interactor parameter anymore.
+         * Thuban/UI/tableview.py (TableFrame.__init__)
+         (LayerTableFrame.__init__, LayerTableFrame.OnClose)
+         (LayerTableFrame.row_selected): The interactor is gone. It's job
+         from the dialog's point of view is now done by the mainwindow,
+         i.e. the parent. Subscribe to SHAPES_SELECTED instead
+         of SELECTED_SHAPE
+         * Thuban/UI/dialogs.py (NonModalDialog.__init__): The interactor
+         is gone. It's job from the dialog's point of view is now done by
+         the mainwindow, i.e. the parent.
+         * Thuban/UI/classifier.py (Classifier.__init__): The interactor is
+         gone. It's job from the dialog's point of view is now done by the
+         mainwindow, i.e. the parent.
+         * Thuban/UI/tree.py (SessionTreeView.__init__): The interactor is
+         gone. It's job from the dialog's point of view is now done by the
+         mainwindow, i.e. the parent.
+         (SessionTreeCtrl.__init__): New parameter mainwindow which is
+         stored as self.mainwindow. The mainwindow is need so that the tree
+         can still subscribe to the selection messages.
+         (SessionTreeCtrl.__init__, SessionTreeCtrl.unsubscribe_all)
+         (SessionTreeCtrl.update_tree, SessionTreeCtrl.OnSelChanged): The
+         selection is now accessible through the mainwindow. Subscribe to
+         SHAPES_SELECTED instead of SELECTED_SHAPE
+         * Thuban/UI/identifyview.py (IdentifyView.__init__): Use the
+         SHAPES_SELECTED message now.
+         (IdentifyView.selected_shape): Now subscribed to SHAPES_SELECTED,
+         so deal with multiple shapes
+         (IdentifyView.__init__, IdentifyView.OnClose): The interactor is
+         gone. It's job from the dialog's point of view is now done by the
+         mainwindow, i.e. the parent.
+         * Thuban/UI/controls.py (RecordListCtrl.fill_list): The second
+         parameter is now a list of shape ids.
+         (RecordTable.SetTable): The second parameter is now a list of
+         indices.
+         * Thuban/UI/renderer.py (ScreenRenderer.RenderMap): Rename the
+         selected_shape parameter and ivar to selected_shapes. It's now a
+         list of shape ids.
+         (MapRenderer.draw_label_layer): Deal with multiple selected
+         shapes. Rearrange the code a bit so that the setup and shape type
+         distinctions are only executed once.
+         * test/test_selection.py: Test cases for the selection class
+-03-11  Jonathan Coles   <[email protected]>
+         * Thuban/Model/load.py: Temporary fix so that the xml reader
+         doesn't cause Thuban to crash.
+         * Thuban/Model/layer.py: Handle the cyclic references between
+         a layer and its classification better, and be sure to disconnect
+         the classification from the layer when the layer is destroyed
+         so that we don't maintain a cyclic reference that may not be
+         garbage collected.
+         * Thuban/Model/classification.py: See comment for layer.py.
+-03-12  Jan-Oliver Wagner <[email protected]>
+         * HOWTO-Release: New. Information on the steps for releasing
+         a new version of Thuban.
+-03-11  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classifier.py: Add normal border to SelectPropertiesDialog.
+         Use True instead of true.
+         (Classifier): Should have a single panel in which all the controls lie.
+         * Thuban/UI/proj4dialog.py: Add normal border.
+         * Thuban/UI/tree.py: Fixed problem with bad item images under Windows.
+         * Thuban/UI/mainwindow.py: Use True instead of true.
+         * setup.py: Update some definitions to use wxWindows2.4 files
+         * Data/iceland_sample_class.thuban: Fixed file so that the
+         field_type information is present.
+-03-10  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classifier.py (Classifier.__init__): Make the
+         field type label grow so that when the text changes the
+         size is updated correctly. This may be a wxWindows bug.
+-03-10  Jonathan Coles   <[email protected]>
+         * Thuban/UI/application.py: Changed SESSION_CHANGED to
+         SESSION_REPLACED.
+         * Thuban/UI/classifier.py: Wrap text with _().
+         (ClassGrid.CreateTable): Set dimensions and size hints here,
+         instead of in Reset, so we only set the size once.
+         * Thuban/UI/dialogs.py: Don't need Shutdown(); just use Close()!
+         * Thuban/UI/mainwindow.py (MainWindow.prepare_new_session):
+         Call Close() instead of Shutdown().
+         * Thuban/UI/messages.py: Changed SESSION_CHANGED to SESSION_REPLACED.
+         * Thuban/UI/tree.py: Changed SESSION_CHANGED to SESSION_REPLACED.
+         Go back to using OnClose() instead of Shutdown().
+-03-10  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classifier.py (Classifier): SelectField() needed
+         to know the old field index as well as the new one.
+-03-10  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classifier.py (Classifier): Use __SelectField()
+         to correctly set the table information and call this from
+         __init__ and from _OnFieldSelect so that all the information
+         is up to date when the dialog opens and when a field is changed.
+-03-10  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py (Classification): Don't use
+         layer's message function directly, use the ClassChanged() method
+         when then classification changes. SetField/SetFieldType/SetLayer
+         must keep the information about field name and field type in
+         sync when an owning layer is set or removed.
+         * Thuban/Model/layer.py: Added ClassChanged() so that the
+         classification can tell the layer when its data has changed.
+         (Layer.SetClassification): Accepts None as an arguement to
+         remove the current classification and correctly handles
+         adding a new classification.
+         * Thuban/Model/load.py: Comment out print statement
+         * test/test_classification.py, test/test_save.py: New and
+         improved tests.
+-03-07  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py: Implemented __copy__ and
+         __deepcopy__ for ClassGroup* and ClassGroupProperites so
+         they can easily be copied by the classifier dialog.
+         (ClassGroupProperites.__init__): The default line color should
+         have been Color.Black.
+         * Thuban/UI/classifier.py: Setting and Getting table values now
+         uses a consistent set of functions.
+         (Classifier): Now non-modal. Has field type label which changes
+         as the field changes. Keep track of buttons in a list so that
+         we can enable/disable the buttons when the None field is selected.
+         (SelectPropertiesDialog): Add buttons to make the colors transparent.
+         * Thuban/UI/dialogs.py (NonModalDialog.Shutdown): New method which
+         does what OnClose did, but can be called by the application to
+         close a window. Needed when a session changes, and we have to
+         close the classifier windows.
+         * Thuban/UI/mainwindow.py (MainWindow.prepare_new_session):
+         Shuts down open dialogs. Used when a new session is created
+         or a session is opened.
+         (MainWindow.SaveSession): Should only call application.SaveSession()
+         if we don't call SaveSessionAs first.
+         (MainWindow.Classify): Allow different classifier dialogs for
+         different layers.
+         * Thuban/UI/tree.py (SessionTreeView): Remove OnClose and let
+         the parent class handle it. Add Shutdown() to unsubscibe from
+         event notification and call the parent Shutdown(). This was
+         necessary so the application can close the tree window.
+-03-06  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py: Minor documentation changes,
+         Addition of __eq__ and __ne__ methods.
+         (Classification.SetLayer): prevent recursion between this method
+         and Layer.SetClassification().
+         * Thuban/Model/color.py: Addition of __eq__ and __ne__ methods.
+         * Thuban/Model/layer.py (SetClassification): prevent recursion
+         between this method and Classification.SetLayer().
+         * test/test_classification.py, test/test_load.py,
+         test/test_session.py: Fixed and added tests for the classification
+         classes.
+-03-06  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/classifier.py (ClassGrid.__init__)
+         (ClassGrid.CreateTable): Move the SetSelectionMode call to
+         CreateTable because otherwise it triggers an assertion in
+         wxPython/wxGTK 2.4.
+-03-05  Jonathan Coles   <[email protected]>
+         * Thuban/common.py: Move FIELDTYPE constants back to table.py.
+         * Thuban/Model/load.py: import FIELDTYPE constants from table.
+         * Thuban/UI/classifier.py: import FIELDTYPE constants from table.
+         * Thuban/Model/table.py: Put FIELDTYPE constants back.
+-03-05  Jonathan Coles   <[email protected]>
+         * Thuban/UI/classifier.py: Added class documentation.
+         Fixed RTbug #1713, #1714. Added Move[Up|Down] buttons.
+         Store just the groups in the table and generate the other
+         column information when it is requested. Add "None" field
+         to pull-down to select no classification.
+         * Thuban/common.py: Moved FIELDTYPE constants from table.py
+         (Str2Num): Only catch ValueError exceptions.
+         * Thuban/Model/classification.py: Class documentation. Renaming
+         of methods with Stroke to Line. Groups are stored in a single
+         list with the default as the first element. Groups are searched
+         in the order they appear in the list.
+         * Thuban/Model/color.py: Documentation.
+         * Thuban/Model/layer.py (Layer): Add GetFieldType to retreive
+         the kind of data represented by a field.
+         * Thuban/Model/load.py (ProcessSession): Use proper string
+         conversion function; fixes RTbug #1713.
+         * Thuban/Model/save.py (Saver): Store field type information.
+         * Thuban/Model/table.py: Put FIELDTYPE constants in common.py.
+         (Table): Add field_info_by_name() to retrieve field information
+         by specifying the field name, not the number.
+         * Thuban/UI/mainwindow.py: Function name changes.
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Only
+         get the layer classification once. Don't try to classify
+         values when the field is None: just use the default properties.
+         * Thuban/UI/view.py: Function name changes.
+         * Doc/thuban.dtd: Add field_type attribute to a classification.
+-03-04  Bernhard Herzog  <[email protected]>
+         * Doc/thuban.dtd: Use correct syntax for optional attributes. Make
+         the fill and stroke layer attributes optional with suitable
+         default values. Add the stroke_width layer attribute. Use correct
+         syntax for empty elements. Make the attribute list for labels
+         refer to the label element.
+-03-04  Bernhard Herzog  <[email protected]>
+         * setup.py (thuban_build_py.build): Add a comment about distutils in
+         Python 2.3 containing some of the functionality we implement in
+         setup.py ourselves.
+         * Thuban/UI/classifier.py (ClassGrid.__init__): Set the table
+         before the selection mode. Doing it the other way round triggers
+         an assertion in wxWindows.
+         * Thuban/Model/save.py (escape): Fix typo in doc-string
+         * Thuban/Model/classification.py: Remove unnecessary wxPython
+         import
+-03-04  Jonathan Coles   <[email protected]>
+         * Thuban/Model/classification.py (ClassGroupRange.GetProperties):
+         Parameter 'value' should default to None.
+         * Thuban/UI/mainwindow.py: Use Layer.GetClassification() since
+         the class attribute __classification is now private.
+         * Thuban/UI/classifier.py (ClassGrid): Moved OnCellDClick() from
+         Classifier to ClassGrid. Added support for removing selected rows,
+         which including code for keeping track of when cells are selected,
+         and deselected.
+         (ClassTable): Support for added/removing rows. Fixed a problem
+         with __ParseInput whereby it would not allow strings (only numbers)
+         to be entered.
+         (Classifier): Added button and supporting code for removing
+         selected rows.
+-02-27  Jonathan Coles   <[email protected]>
+         * Thuban/common.py: Moved color conversion functions into
+         Thuban/UI/common.py.
+         (Str2Num): Now converts the float (not the string) to a long/int
+         so that an exception isn't thrown.
+         * Thuban/UI/common.py: Common functions used in several UI modules
+         * Thuban/Model/classification.py: Changed the class hierarchy
+         so that a Classification consists of Groups which return
+         Properties when a value matches a Group.
+         * Thuban/Model/layer.py: Fixed name resolution problem.
+         * Thuban/Model/load.py: Use new Classification and Group functions.
+         * Thuban/Model/save.py (Saver.write_attribs): Fixes a test case
+         failure.
+         (Saver.write_classification): Use new Classification and Group
+         functions.
+         * Thuban/UI/classifier.py: Changes to use new Classification and Group
+         functions. Fix to create a tuple with a single value instead of
+         simply returning the value.
+         * Thuban/UI/renderer.py: Use new Classification and Group functions.
+         Use common.py functions.
+         * Thuban/UI/tree.py: Use common.py functions.
+         * test/test_classification.py: Use new Classification and Group
+         classes.
+-02-24  Jonathan Coles   <[email protected]>
+         * Thuban/common.py (Color2wxColour, wxColour2Color): Conversion
+         functions from Thuban color objects to wxWindow colour objects.
+         * Thuban/Model/classification.py (Classification): Renamed
+         GetProperties() to GetClassData(). Used the new iterator
+         in TreeInfo().
+         (ClassIterator): Iterator implementation to iterate over the
+         ClassData objects in a classification object.
+         * Thuban/Model/save.py (Saver.write_classificaton): Uses
+         the new iterator to save the classification information.
+         * Thuban/UI/classifier.py (SelectPropertiesDialog): Support
+         for changing the stroke and fill colors and previewing the
+         changes.
+         * Thuban/UI/mainwindow.py (MainWindow.OpenSession,
+         MainWindow.SaveSessionAs): Text string changes so the dialogs
+         have more meaningful titles.
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Change
+         Classification method name from GetProperties to GetClassData.
+         * Thuban/UI/view.py (MapCanvas.find_shape_at): Use method calls
+         instead of accessing now non-existent class variables.
+-02-24  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Remove
+         unneeded Shape() call. Rendering is substantially faster without
+         it and it avoids some problems with broken shape files.
+-02-20  Frank Koormann   <[email protected]>
+         Force minimal size of identify and label dialogs. The autosizing
+         looked too ugly.
+         * Thuban/UI/controls.py (RecordListCtrl): Set minimal width for columns.
+         * Thuban/UI/labeldialog.py (LabelDialog.dialog_layout):
+         Set size of listctrl.
+         * Thuban/UI/identifyview.py (IdentifyView.__init__):
+         Set size of dialog.
+-02-19  Jonathan Coles   <[email protected]>
+         * test/test_classification.py, test/test_layer.py,
+         test/test_load.py, test/test_map.py, test/test_session.py:
+         Updated the tests to use the new functions that are in the
+         respective classes.
+         * Thuban/Model/classification.py (Classification):
+         Uses the new ClassData* classes. Modification messages are
+         passed up to the parent layer (if it exists).
+         (ClassData): New class to encapsulate the common data in each
+         classification property.
+         (ClassDataDefault): Represents the Default class. data.
+         (ClassDataPoint): Represents a single class. data point
+         (ClassDataRange): Represents a class. range
+         (ClassDataMap): Represents a class. map (unused).
+         * Thuban/Model/color.py: Added Color.None to represent something
+         with no color. Color.Black represents the color black.
+         (NoColor): Helper class derived from Color to represent something
+         with no color.
+         * Thuban/Model/layer.py (Layer): Removed references to fill, stroke,
+         stroke_width attributes. Made the 'classification' attribute private.
+         New methods for setting/getting the classification.
+         * Thuban/Model/load.py (ProcessSession): Use new methods on Layer
+         to get the classifcation and use the new ClassData* classes to
+         hold the classification data. Use Str2Num to convert numbers
+         properly.
+         * Thuban/Model/save.py (Saver): Use new Color and Classification
+         methods
+         * Thuban/UI/classifier.py (ClassGrid): New class to represent a
+         custom grid.
+         (ClassTable): Support for editing Values and Labels and for
+         changing what type (point or range) of data is stored in each
+         property based on how the user enters the data.
+         (Classifier): Support for saving the new classifications and
+         launching the dialog to edit a property.
+         (SelectPropertiesDialog): New class for editing the visual
+         properties of a classification (stroke color, width, and fill color)
+         (ClassPreviewer): Took the Draw method from ClassRenderer and
+         made most of it into this new class. Intend to use this class in
+         the SelectPropertiesDialog for previewing changes.
+         * Thuban/UI/renderer.py: Use new Color and Classification methods.
+         * Thuban/UI/tree.py: Formatting changes.
+         * Doc/thuban.dtd: Add 'label' element
+         * Thuban/common.py: New. Contains common routines used throughout
+         the code.
+         (Str2Num): Takes a string and converts it to the "best" type of
+         number.
+-02-14  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/view.py (MapCanvas.OnLeftUp): Make sure that the
+         dragging flag is always set to 0 even when the tool implementation
+         raises an exception
+-02-11  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/application.py (ThubanApplication.splash_screen): New
+         method to create a splash screen.
+         (ThubanApplication.ShowMainWindow): New. Show the main window.
+         Needed so the splash screen can display the mainwindow
+         (ThubanApplication.OnInit): Call the
+         new splash_screen method to determine whether the application
+         should display a splash screen. If it displays a splash screen do
+         not immediately show the main window.
+-02-11  Jonathan Coles  <[email protected]>
+         * Thuban/Model/classification.py: Added import line to fix
+         feature conflicts between running on python2.2 and python2.1.
+         * Thuban/UI/classifier.py (ClassTable): Didn't need to hang
+         onto the clinfo parameter, so removed the deepcopy().
+-02-10  Jonathan Coles  <[email protected]>
+         * Thuban/Model/save.py (Saver.open_element, Saver.close_element):
+         Added element_open variable to track opening and closing of tags
+         so that tags that don't span more than one line are closed with
+         /> instead of </tag_name>. Use the GetDefault*() methods of
+         the Classification class.
+         * Thuban/Model/classification.py (Classificaton): Added set and
+         get methods for the default data. The class also takes a layer
+         reference so that modification messages can be sent. Fixed the
+         methods to use the new ClassData class.
+         (ClassData): New class to encapsulate the classification data
+         * Thuban/Model/layer.py (Layer): Remove the
+         Set[Fill|Stroke|StrokeWidth]() methods. Code should call the
+         SetDefault*() methods on the layer's classification object.
+         (Layer.__init__): Use the new SetDefault*() methods in the
+         Classification class.
+         * Thuban/Model/load.py (ProcessSession): Use the new ClassData
+         object instead of a dictionary.
+         * Thuban/UI/classifier.py (ClassRenderer): New class to
+         draw the classifications in the dialog box's table.
+         (Classifier): Modified to use the ClassRenderer class.
+         * Thuban/UI/mainwindow.py (MainWindow): Use the SetDefault*()
+         methods of the Classification class.
+         * Thuban/UI/renderer.py (MapRenderer): Use the Get*() methods
+         of the ClassData class.
+         * test/test_classification.py, test/test_layer.py,
+         test/test_map.py, test/test_session.py: Fix the tests to work
+         with the above code changes.
+-02-03  Jonathan Coles  <[email protected]>
+         * Thuban/Model/classification.py (Classification): Added getNull()
+         to return the NullData reference
+         * Thuban/Model/layer.py (Layer.SetFill, Layer.SetStroke,
+         Layer.SetStrokeWidth): Modified these functions to change the
+         null data in the classification rather than keep these values
+         directly in the Layer class. Menu options to change these values
+         work again.
+-01-28  Jonathan Coles  <[email protected]>
+         * Thuban/UI/classifier.py (Classifier): Resolved merging conflicts.
+         Fixed crashing problem on some systems. Dialog box shows
+         classification data.
+         * Thuban/UI/tree.py (SessionTreeCtrl.add_items): Handle drawing
+         Colors in the tree view.
+         * Thuban/Model/layer.py (Layer.TreeInfo): Added a call to build
+         the tree info for classifications. Commented out unnecessary lines.
+         * Thuban/Model/classification.py (Classification.TreeInfo): New
+         function to add information about the classification into the
+         tree view.
+-01-27  Jan-Oliver Wagner <[email protected]>
+         * Thuban/__init__.py (_): New.
+         * Thuban/Model/classification.py, Thuban/Model/extension.py,
+         Thuban/Model/layer.py, Thuban/Model/load.py, Thuban/Model/map.py,
+         Thuban/Model/session.py, Thuban/UI/application.py,
+         Thuban/UI/classifier.py, Thuban/UI/context.py, Thuban/UI/controls.py,
+         Thuban/UI/identifyview.py, Thuban/UI/labeldialog.py,
+         Thuban/UI/mainwindow.py, Thuban/UI/menu.py, Thuban/UI/proj4dialog.py,
+         Thuban/UI/renderer.py, Thuban/UI/tree.py, Thuban/Lib/connector.py,
+         Thuban/Lib/fileutil.py: Replace user string by _() for i18n.
+-01-27  Jonathan Coles  <[email protected]>
+         * Thuban/Model/layer.py: Classification initialization calls.
+         * Thuban/Model/classification.py: Created class to encapsulate
+         a layer classification. Supports specific data points and
+         ranges.
+         * Thuban/Model/load.py: Added support for loading classification
+         information.
+         * Thuban/Model/save.py: Added support for saving classification
+         information.
+         * Thuban/UI/classifier.py: Initial class for a dialog box for
+         specifying classification information.
+         * Thuban/UI/mainwindows.py: Support for opening the classifier
+         dialog.
+         * Thuban/UI/renderer.py: Support for drawing a layer with the
+         classification information.
+         * Data/iceland_sample_class.thuban: iceland_sample with
+         classification data.
+         * test/test_classification: Tests for the Classification class.
+-12-09  Bernhard Herzog  <[email protected]>
+         * test/test_command.py: New. Tests for the command classes.
+         * Thuban/UI/command.py (ToolCommand): New class for tool commands.
+         (Command.IsTool): New method to distinguish between command
+         switching tools and other commands.
+         * Thuban/UI/view.py (MapCanvas.SelectTool): New method to select
+         the tool to avoid direct assignments to instance variables
+         (MapCanvas.ZoomInTool, MapCanvas.ZoomOutTool, MapCanvas.PanTool)
+         (MapCanvas.IdentifyTool, MapCanvas.LabelTool): Use SelectTool to
+         change the tool
+         * Thuban/UI/mainwindow.py (MainWindow.update_command_ui): If an
+         active tool's command turns insensitive, disable the tool.
+         (_tool_command): Use the new ToolCommand class
+         * Examples/simple_extensions/simple_tool.py (simple_tool): Use the
+         SelectTool method to change the tool
+         (iconfile): Use the ToolCommand class
+-12-03  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/tree.py (SessionTreeCtrl.normalize_selection): Handle
+         the case of selected items that are not children of Layers or Maps
+         properly. Previously this bug would trigger an assertion in
+         wxWindows.
+-11-06  Frank Koormann  <[email protected]>
+         * Thuban/UI/mainwindow.py: Altered the order of tools in the
+         toolbar: First now are all navigation tools (Zoom In/Out, Pan,
+         Full Extent).
+-10-23  Bernhard Herzog  <[email protected]>
+         * setup.py (setup call): version now 0.1.3
+         * MANIFEST.in: Add the files in test/
+         * test/README: Add note about tests requiring the iceland data
+         * Thuban/UI/mainwindow.py (MainWindow.About): Add 2002 to
+         copyright notice.
+-10-18  Bernhard Herzog  <[email protected]>
+         * test/test_map.py
+         (TestMapWithContents.test_projected_bounding_box): Use an explicit
+         epsilon.
+         * test/support.py (FloatComparisonMixin.assertFloatEqual)
+         (FloatComparisonMixin.assertFloatSeqEqual): give a more useful
+         message if the assertion fails and don't return the return value
+         of self.assert_. In assertFloatSeqEqual the return meant that not
+         all items of the sequence were compared.
+-09-20  Bernhard Herzog  <[email protected]>
+         * test/test_fileutil.py: New. Test cases for Thuban.Lib.fileutil
+         * Thuban/Lib/fileutil.py: Fixup some whitespace and typos
+         * test/test_map.py (TestMapWithContents.test_tree_info): Create
+         the string with the bounding box on the fly because of platform
+         differences in the way %g is handled.
+         * test/test_layer.py (TestLayer.test_empty_layer): Create an empty
+         DBFfile too because Thuban layers can't yet cope missing DBF
+         files.
+-09-20  Bernhard Herzog  <[email protected]>
+         * test/test_menu.py: Use initthuban instead of
+         add_thuban_dir_to_path to initialize Thuban.
+         * test/support.py (FloatComparisonMixin.assertFloatEqual): New.
+         Mixin class for float comparisons
+         (SubscriberMixin): New. Mixin class to test messages sent through
+         the Connector class
+         * test/README: Fix a typo and add the -v flag to the command for
+         individual tests
+         * test/test_session.py: New. Test cases for Thuban.Model.session
+         * test/test_proj.py: New. Test cases for Thuban.Model.proj
+         * test/test_map.py: New. Test cases for Thuban.Model.map
+         * test/test_layer.py: New. Test cases for Thuban.Model.layer
+         * test/test_label.py: New. Test cases for Thuban.Model.label
+         * test/test_connector.py: New. Test cases for Thuban.Lib.connector
+         * test/test_color.py: New. Test cases for Thuban.Model.color
+         * test/test_base.py: New. Test cases for Thuban.Model.base
+-09-13  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/session.py (Session.forwarded_channels): Forward
+         the CHANGED channel too.
+         * Thuban/Model/map.py (Map.forwarded_channels): Forward the
+         CHANGED channel too.
+         (Map.__init__): Call the Modifiable constructor as well.
+         * Thuban/Model/base.py (Modifiable.UnsetModified): Issue a CHANGED
+         event if the modified flag changes.
+         (Modifiable.changed): Tweak the doc-string.
+         * Thuban/UI/mainwindow.py (MainWindow.view_position_changed)
+         (MainWindow.set_position_text): Put the code that puts the text
+         with the mouse position into the status bar into the new method
+         set_position_text so that it can overwritten in derived classes.
+-09-12  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.RunMessageBox): Center the
+         message box on the main window.
+-09-11  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py: Underline the 'x' in "Exit" instead of
+         the 'E' because it's less likely to interfere with other menu
+         entries.
+         (MainWindow.build_menu): remove an incorrect comment.
+-09-10  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.Map): New.
+         (_tool_command): Add sensitive parameter
+         (_has_visible_map): Sensitivity callback to tools and other
+         commands that require a visible map. Use it in map_zoom_in_tool,
+         map_zoom_out_tool, map_pan_tool, map_identify_tool, map_label_tool
+         and map_full_extent
+-09-06  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.OnClose): Unsubscribe
+         VIEW_POSITION
+-09-04  Frank Koormann  <[email protected]>
+         * Resources/Bitmaps/fullextent.xpm: Updated Icon (removed "potatoe")
+-09-02  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/view.py: Get rid of the idle redraw. This is done by
+         wxWindows already and our implementation doesn't work correctly
+         with wxGTK 2.3:
+         (MapCanvas.__init__): Remove the instance variable
+         (MapCanvas.OnPaint): Always call do_redraw when there's a map to
+         be drawin
+         (MapCanvas.OnIdle): Removed.
+         * Thuban/UI/view.py (MapCanvas.unprojected_rect_around_point): Add
+         a parameter to determine the size of the rectangle.
+         (MapCanvas.find_shape_at): Create the box around the point on a
+         layer by layer basis and make the size depend on the shape type.
+         This solves a problem with the selection of point shapes at the
+         border of the layer's bounding box
+-08-30  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.CanRemoveLayer): New method
+         for the sensitivity  of remove layer.
+         (_can_remove_layer): New. Sensitivity callback for remove layer
+         (Command layer_remove): Use _can_remove_layer
+         * Thuban/Model/map.py (Map.CanRemoveLayer): New method to
+         determine whether a given layer can be deleted.
+         * Thuban/UI/view.py (MapCanvas.__init__, MapCanvas.OnPaint)
+         (MapCanvas.do_redraw): Get rid of the unused update_region
+         instance variable
+         * Thuban/UI/view.py: Add/update some doc-strings.
+         * test/: new subdirectory with a bunch of unit tests.
+         * test/README, test/test_table.py, test/test_save.py,
+         test/test_menu.py, test/test_load.py: Initial set of tests and
+         brief instructions on how to run them
+-08-29  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/renderer.py (ScreenRenderer.draw_shape_layer): Handle
+         arcs with multiple parts.
+         * Thuban/UI/view.py (ZoomInTool.MouseUp, ZoomOutTool.MouseUp):
+         Handle degenrate rectangles.
+         * Thuban/Model/table.py: Make writing records work correctly:
+         (Table.__init__): Keep track of whether the DBF is open for
+         writing
+         (Table.write_record): Open the DBF file for writing when necessary
+-08-27  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/table.py (Table.write_record, Table.__init__): Open
+         dbf files only for reading by default. Use a new writable dbf
+         object for writing.
+-08-26  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py: Refactor the context creation:
+         (MainWindow.Context): New method to return a context
+         (MainWindow.invoke_command, MainWindow.update_command_ui): Use the
+         new method
+         * Thuban/UI/tableview.py (TableGrid, LayerTableGrid): Split the
+         layer table specific code from TableGrid into LayerTableGrid
+         (TableFrame, LayerTableFrame): Split the layer table specific code
+         from TableFrame into LayerTableFrame
+         (LayerTableGrid.select_shape): Remove a debug print
+         * Thuban/UI/mainwindow.py (MainWindow.LayerShowTable): Use the
+         LayerTableFrame
+-08-23  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/layer.py (Layer.__init__): Make sure we have an
+         absolute filename.
+-08-22  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/table.py (Table.write_record): New method to write
+         records.
+         (Table.__init__): Open the DBF file for writing too.
+         * Thuban/UI/controls.py (RecordTable.SetValue): Write the value
+         into the underlying table.
+         * extensions/shapelib/shapefil.h (DBFCommit),
+         extensions/shapelib/dbfopen.c (DBFCommit): New API function to
+         commit any changes made to the DBF file.
+         * Thuban/UI/mainwindow.py (make_check_current_tool)
+         (_tool_command): Put the code that generates the "checked"
+         callback into a separate function so that we can reuse it
+         elsewhere
+         * Thuban/Model/save.py (Saver): New class to handle serializing a
+         session into an XML file. The main reason to introduce a class is
+         that applications built on Thuban can derive from it so that they
+         can save additional information in a session file.
+         (save_session): Delegate almost all the work to the Saver class.
+         Rename the filename argument to file because it may be a file like
+         object now.
+         * Thuban/Model/load.py: Get rid of the Python 1.5.2 compatibility
+         code. Remove the little test code which would be executed when the
+         module is run as a script which didn't work anymore since it can't
+         import the other Thuban modules.
+         (ProcessSession, load_session): Refactor the ProcessSession to
+         have one method for each element start and end tag so that derived
+         classes can easily override the processing of individual tags.
+         Also, always parse with namespaces enabled because applications
+         built on top of Thuban will likely use namespaces if they extend
+         the session file format.
+-08-21  Bernhard Herzog  <[email protected]>
+         * setup.py (ThubanInstall.run): Don't repr install_lib_orig
+         because thubaninit_contents will do it for us.
+-08-16  Jan-Oliver Wagner <[email protected]>
+         * Thuban/UI/mainwindow.py: menu item 'show session tree' now disable if
+         tree window already open
+-08-15  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/layer.py (Layer.Destroy): Call the unboundd method
+         with self.
+         * Thuban/UI/view.py (MapCanvas.OnLeftUp): Only release the mouse
+         when we have actually captured it.
+         * Thuban/Model/layer.py (Layer.Destroy): New. Explicitly close the
+         shapefile and destroy the table.
+         * Thuban/Model/table.py (Table.Destroy): New. Close the DBF file.
+-08-14  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/controls.py (RecordTable.__init__): Remove the unused
+         instance variable columns
+         (RecordTable.GetTypeName): row and col may be negative in some
+         cases.
+         * setup.py (InstallLocal.initialize_options)
+         (InstallLocal.finalize_options, InstallLocal.user_options): New
+         option create-init-file to build a thubaninit.py when running
+         install_local
+         (InstallLocal.run): Create the thubaninit.py module when requested
+         (thubaninit_contents): Split the template into several parts and
+         create a new function thubaninit_contents that creates the
+         contents of a thubaninit module.
+         (ThubanInstall.run): Use the new function to create the thubaninit
+         module.
+-07-30  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/application.py (ThubanApplication.OnExit): Do some
+         cleanup.
+         (ThubanApplication.MainLoop): Extend to automatically call OnExit.
+         * Thuban/Model/session.py (Session.Destroy): Don't bypass the
+         direct base class' Destroy method.
+         * Thuban/Model/map.py (Map.ClearLayers): New method to delete all
+         layers.
+         (Map.Destroy): Destroy the label_layer as well and call the
+         inherited Desatroymethod first so that no more messages are
+         issued.
+         (Map.RaiseLayer, Map.LowerLayer): Only issue LAYERS_CHANGED
+         message if the stacking order actually has changed. Add
+         doc-strings.
+         (Map.BoundingBox): Correct the doc-string.
+         (Map.AddLayer, Map.RemoveLayer, Map.Layers, Map.HasLayers)
+         (Map.ProjectedBoundingBox, Map.SetProjection): Add doc-strings.
+         * Thuban/Model/label.py (LabelLayer.ClearLabels): New to delete
+         all labels.
+-07-29  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/map.py (Map.subscribe_layer_channels)
+         (Map.unsubscribe_layer_channels): Put the code that (un)subscribes
+         to a layer's channels into separate methods.
+         (Map.RemoveLayer, Map.AddLayer): Call the new methods
+         (Map.Destroy): Unsubscribe from a layer's channels before
+         destroying it.
+         * Thuban/UI/view.py (MapCanvas.find_shape_at): Change the
+         selected_layer parameter to searched_layer which is the layer to
+         search in.
+         (MapCanvas.SelectShapeAt): New parameter layer to restrict the
+         search to that layer. Return the selected layer and shape.
+         * Examples/simple_extensions/simple_tool.py (simple_tool): Fix a
+         typo
+-07-24  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/application.py (ThubanApplication.create_session):
+         Extend the doc string.
+         (ThubanApplication.subscribe_session)
+         (ThubanApplication.unsubscribe_session): New methods to
+         subscribe/unsubscribe to/from session channels.
+         (ThubanApplication.SetSession): Call the new methods here.
+         (ThubanApplication.maps_changed, ThubanApplication.set_map):
+         Renamed set_map to maps_changed. Its now a subscriber for
+         MAPS_CHANGED.
+         * Thuban/UI/view.py (ZoomOutTool.MouseUp): Use the correct
+         x-coordinate in case of simple clicks
+         * Thuban/Model/base.py (Modifiable.changed): Apply the args tuple,
+         don't pass it as a parameter
+         * Thuban/Model/session.py (Session.RemoveMap): New
+         * Thuban/UI/mainwindow.py (MainWindow.__init__): Turn the initial
+         window size into a parameter.
+-07-23  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/menu.py (Menu.item_index): Also search for menus not
+         just commands.
+         * Thuban/UI/mainwindow.py (MainWindow.__init__): Change the
+         parameter list a bit to allow setting the window title and the
+         initial message in the status bar. Update the callers.
+         * Thuban/UI/application.py (ThubanApplication.OnInit)
+         (ThubanApplication.CreateMainWindow): Put the mainwindow
+         instantiation into a separate method so that it can be overridden
+         by a subclass.
+-07-19  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/session.py: Issue a CHANGED message every time
+         another changed message is issued to make it easier to get
+         notified of changes.
+         (Session): Update the doc string
+         (Session.forward): Issue changed-events as CHANGED as well.
+         (Session.changed): Overwrite the inherited version to issue
+         CHANGED events as well.
+         * Thuban/UI/tree.py: We can now simply subscribe to the session's
+         CHANGED channel to be informed of changes.
+         (SessionTreeCtrl.session_channels): Not needed any longer.
+         (SessionTreeCtrl.unsubscribe_all, SessionTreeCtrl.session_changed):
+         Only have to (un)subscribe CHANGED
+         * Thuban/Model/map.py (Map.TreeInfo): Deal better with empty maps.
+         * Thuban/UI/main.py, Thuban/UI/__init__.py: Move the work-around
+         for the wxPython locale bug to __init__.py so that it's
+         automatically executed by anybody using UI code from Thuban.
+-07-18  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/main.py (main): app no longer needs to be global
+         * Thuban/UI/mainwindow.py (MainWindow.__init__): Add application
+         as parameter and store it in an instance variable
+         (MainWindow.invoke_command, MainWindow.update_command_ui)
+         (MainWindow.save_modified_session, MainWindow.NewSession)
+         (MainWindow.OpenSession, MainWindow.SaveSession)
+         (MainWindow.SaveSessionAs, MainWindow.ShowSessionTree): Use self's
+         application object.
+         * Thuban/UI/application.py (ThubanApplication.OnInit): Instantiate
+         the main window with self.
+         * Thuban/UI/context.py: New module with the context class
+         * Thuban/UI/command.py (Command): Update doc string.
+         * Thuban/UI/mainwindow.py (MainWindow.invoke_command,
+         MainWindow.update_command_ui): Pass an instance of the context
+         class to the command's methods
+         (check_current_tool, call_method): Handle the new context
+         implementation
+         * Examples/simple_extensions/simple_tool.py (simple_tool,
+         check_simple_tool): Handle the new context implementation
+         * Examples/simple_extensions/simple_command.py (simple_command):
+         Handle the new context implementation. Update the comments about
+         the context.
+         * Thuban/UI/application.py (ThubanApplication.SetSession): Add
+         doc-string
+         (ThubanApplication.Session): New method to return the session
+         object
+         * Thuban/UI/tree.py (SessionTreeCtrl.update_tree): The
+         interactor's selected_layer may not be a layer of the current
+         session when the tree is updated while a new session is being set.
+-07-17  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/tree.py (color_string): Removed. No longer used.
+         (SessionTreeCtrl.update_tree, SessionTreeCtrl.add_items): Split
+         update_tree into update_tree and add_items. The tree now uses a
+         more generic way to display the contents of the tree.
+         (SessionTreeCtrl): Add a doc string explaining the TreeInfo method
+         * Thuban/Model/layer.py (Layer.TreeInfo),
+         Thuban/Model/extension.py (Extension.TreeInfo),
+         Thuban/Model/map.py (Map.TreeInfo),
+         Thuban/Model/session.py (Session.TreeInfo):
+         Add TreeInfo methods to implement the new tree view update scheme
+-07-16  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/application.py: Don't use "import from" for the
+         MainWindow. It can't always be resolved.
+         (ThubanApplication.OnInit): change reference to MainWindow
+         accordingly.
+         * Thuban/UI/menu.py (Menu.SetItems): New method to replace a menu
+         completely
+-07-10  Bernhard Herzog  <[email protected]>
+         * setup.py (create_init_module): New configurable variable whose
+         default depends on the platform we're running on.
+         (ThubanInstall.initialize_options): Initialize
+         self.create_init_module from the global create_init_module
+         (ThubanInstall.user_options): indictate that the options
+         create-init-module and init-module-dir have arguments.
+         * setup.py: In the setup call change the version number to include
+         cvs.
+         * MANIFEST.in: Add the files in Examples
+-07-09  Bernhard Herzog  <[email protected]>
+         * setup.py: In the setup call, use the thuban homepage as the
+         value of the url parameter.
+         * Examples: New subdirectory for examples.
+         * Examples/simple_extensions/simple_tool.xpm,
+         Examples/simple_extensions/simple_tool.py,
+         Examples/simple_extensions/simple_command.py,
+         Examples/simple_extensions/README: Simple examples showing how to
+         add new commands and tools.
+         * setup.cfg (bdist_rpm): Add the default value for prefix and tell
+         bdist_rpm that we also have an install script.
+         (bdist_inno): Add 2002 to the copyright notice.
+         * setup.py: Create a file in python's site-packages directory to
+         make installation of Thuban as a library easier.
+         (ThubanInstall.user_options): Add two new options,
+         create-init-module and init-module-dir
+         (ThubanInstall.expand_with_pure_python_dirs): New method to expand
+         filenames for installation in the default directories.
+         (ThubanInstall.select_scheme, ThubanInstall.convert_paths): Extend
+         the inherited methods to capture some filenames before they're
+         transformed too much by distutils.
+         (ThubanInstall.run): Create the init module if requested.
+         (ThubanInstall.thuban_init_filename): New method to return the
+         full name of the init module.
+         (ThubanInstall.get_outputs): Append the filename of the init
+         module.
+-07-08  Bernhard Herzog  <[email protected]>
+         * setup.py (thuban_bdist_rpm): Extend this version of bdist_rpm to
+         handle the prefix properly which means that the default for the
+         installation prefix should be /usr for RPMs and /usr/local when
+         doing a normal source install.
+         (bdist_rpm_install_script): Script to override the default install
+         commands in the specfile generated by the bdist_rpm command.
+         (thuban_bdist_rpm.user_options): Add a prefix option
+         (thuban_bdist_rpm.initialize_options): Init the prefix option.
+         Create the script files for the spec files as empty files here
+         (thuban_bdist_rpm._make_spec_file): Override the inherited method
+         to fill the script files with content.
+         * Thuban/Model/save.py (relative_filename): Wrapper around
+         Thuban.Lib.fileutil.relative_filename that accepts an empty dir
+         argument. save_session now automatically uses this version,
+         solving a problem when saving to a relative filename.
+         * setup.py: In the setup call, make sure that the library
+         directories are under $prefix/lib not directly under $prefix.
+-06-20  Jan-Oliver Wagner <[email protected]>
+         * Thuban/Model/extension.py: new module to handle extension objects.
+         * Thuban/Model/messages.py: new messages for extensions.
+         * Thuban/Model/session.py (Session.Extensions, Session.HasExtensions,
+         Session.AddExtension): new for handling extensions.
+         Also some other minor changes to round up extension handling.
+         * Thuban/UI/tree.py (SessionTreeCrtl:update_tree): Added visualization
+         of Extension titles and title and names of its objects.
+-05-29  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.bind_command_events): Bind
+         the events for a command.
+         (MainWindow.add_toolbar_command, MainWindow.add_menu_command):
+         Call bind_command_events to bind the events. add_toolbar_command
+         can now bind events too so that it's possible to have commands
+         that are only available through the toolbar.
+         (MainWindow.init_ids): New instance variable events_bound to keep
+         track of for which commands events have been bound.
+-05-28  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/menu.py: New module to build and manage menus.
+         * Thuban/UI/mainwindow.py: Remove some unused imports.
+         (MainWindow.__init__, main_menu): move the definition of the main
+         menu from __init__ to the Menu instance main_menu.
+         (MainWindow.build_menu_bar, MainWindow.build_menu): New methods to
+         build the menu bar and sub-menus from a menu description.
+         * Thuban/UI/application.py (ThubanApplication.OnInit): Read the
+         startup file
+         (ThubanApplication.read_startup_files): New method to run
+         ~/.thuban/thubanstart.py
+         * Thuban/UI/mainwindow.py (MainWindow.__init__, main_toolbar):
+         Move the toolbar definition to the Menu instance main_toolbar.
+         (MainWindow.build_toolbar): New method to build the toolbar
+         similar to the build_menu methods
+-05-23  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.__init__): Fix spelling of
+         layer_outline_color. Fix it in the definition of the command too.
+         * Thuban/UI/command.py (Command): Fix typo in doc string
+-05-22  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.RunMessageBox): Fix a typo
+         in the docstring
+-05-15  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/layer.py (Layer.open_shapefile): Set bbox to None
+         when the shapefile is empty.
+         (Layer.BoundingBox, Layer.LatLongBoundingBox): Both methods may
+         now return None for empty shapefiles. Update doc-strings.
+         * Thuban/Model/map.py (Map.BoundingBox): Add doc-string. Deal with
+         the layer's bbox being None.
+         * Thuban/UI/tree.py (SessionTreeCtrl.update_tree): Deal with the
+         layer's bbox being None.
+         * Thuban/UI/view.py (MapCanvas.shape_selected): Only redraw when
+         necessary.
+         (MapCanvas.__init__): New instance variables, last_selected_layer
+         and last_selected_shape to determine how the selection has
+         changed.
+         * Thuban/UI/tableview.py (TableGrid.__init__): Do not call
+         AutoSizeColumns because it will cause a traversal of the entire
+         table which for large .dbf files will take a very long time.
+-05-14  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/layer.py (Layer.open_shapefile): Choose a better
+         maximum depth for the tree than shapelib does by default.
+-05-10  Bernhard Herzog  <[email protected]>
+         * setup.py (py_modules): The shptree modules doesn't have a
+         wrapper, so don't include it in the py_modules
+-05-08  Bernhard Herzog  <[email protected]>
+         * extensions/shapelib/shptree.c (compare_ints): Make arguments
+         const void * as in the qsort prototype
+         (SHPTreeFindLikelyShapes): Remove some unused variables.
+         * Thuban/UI/view.py (PanTool.MouseMove): Use the bitmap the view
+         maintains to redraw the window during a drag.
+         (MapCanvas.unprojected_rect_around_point): New method to determine
+         a small region around a point for hit-testing.
+         (MapCanvas.find_shape_at): Only test the shapes in a small region
+         around the point.
+         * setup.py: Increment the version to 0.1.2
+         * Thuban/UI/tree.py (SessionTreeCtrl.unsubscribe_all): Remove a
+         debug print and set session to None after unsubscribing
+-05-07  Bernhard Herzog  <[email protected]>
+         * Data/iceland_sample.session, Data/iceland_sample.thuban: Rename
+         the file to have a .thuban extension.
+         * Thuban/UI/tree.py (session_channels): New class constant with
+         all the session channels to subscribe to to update the tree
+         (SessionTreeCtrl.session_changed): Remember the session so that we
+         can unsubscribe properly. Use the new class constant to
+         unsubscribe from the old session and subscribe to the new one.
+         (SessionTreeCtrl.unsubscribe_all): New method to unsubscribe all
+         subscriptions of the SessionTreeCtrl.
+         (SessionTreeView.OnClose): Call the tree's unsubscribe_all method.
+         * Thuban/UI/mainwindow.py (MainWindow.__init__): Add the "Show
+         Session Tree" command to the file menu.
+         * Thuban/UI/view.py (MapCanvas.do_redraw): Pass the entire bitmap
+         as update_region to the renderer.
+         * Thuban/UI/renderer.py
+         (ScreenRenderer.layer_ids, ScreenRenderer.draw_shape_layer): The
+         update box is now directly a tuple, not a wxRect anymore.
+         * Thuban/Model/layer.py (Layer.ShapesInRegion): Remove some debug
+         prints.
+-05-07  Bernhard Herzog  <[email protected]>
+         * setup.py: Add the shptree extension module. See
+         extensions/pyshapelib/ChangeLog for more details.
+         * extensions/shapelib/shpopen.c, extensions/shapelib/shapefil.h,
+         extensions/shapelib/dbfopen.c: Really update to the versions of
+         shapelib 1.2.9. For some reason it wasn't really done on
+-04-11.
+         * extensions/shapelib/shptree.c: Modified version of shptree.c of
+         shapelib 1.2.9. The only real difference is the use of qsort
+         instead of a bubble sort implementation
+         * Thuban/Model/layer.py (Layer.__init__): New instance variable
+         shapetree to hold the shapelib quadtree for the shapefile
+         (Layer.open_shapefile): Create the quad tree.
+         (Layer.ShapesInRegion): New method to return the ids of shapes in
+         a given region using the quad tree.
+         * extensions/thuban/wxproj.cpp (project_points): Fix some typos in
+         comment
+         (draw_polygon_shape): Accept both arcs and polygons.
+         (initwxproj): Use the new PYSHAPELIB_IMPORT_API macro to import
+         the api.
+         * Thuban/UI/renderer.py (MapRenderer.layer_ids): New method to
+         return the shape ids to be rendered in a given layer.
+         (MapRenderer.draw_shape_layer): Call layer_ids to get the list of
+         ids. Use draw_polygon_shape to draw arc shapes as well.
+         (ScreenRenderer.RenderMap): New parameter for the rectangle that
+         has to be updated
+         (ScreenRenderer.layer_ids): Make use of the layer's quadtree by
+         calling it's ShapesInRegion method.
+         * Thuban/UI/view.py (MapCanvas.__init__): New instance variable
+         update_region for the update region.
+         (MapCanvas.OnPaint): Maintain the update region
+         (MapCanvas.do_redraw): Pass the bounding box of the update_region
+         to the renderer when drawing the bitmap. Reset the update_region.
+-05-03  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.SaveSessionAs,
+         MainWindow.OpenSession): Change the file extension of the session
+         files to .thuban
+         * Thuban/Model/session.py (Session.AddMap, forwarded_channels):
+         Move the map channels to be forwarded by the session into the
+         class constant with forwarded_channels. Also add
+         LAYER_PROJECTION_CHANGED and LAYER_VISIBILITY_CHANGED to
+         forwarded_channels
+         * Thuban/Model/base.py (Modifiable.changed): Fix doc-string (a
+         typo and some rewording).
+-05-02  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/view.py: Keep the temporary bitmap used during drawing
+         around to speed up most redraws:
+         (MapCanvas.__init__): New instance variable bitmap which holds the
+         bitmap
+         (MapCanvas.do_redraw): Redraw self.bitmap if necessary. Use
+         self.bitmap to draw.
+         (MapCanvas.full_redraw): New method to force a full redraw
+         including the bitmap
+         (MapCanvas.SetMap): Subscribe full_redraw instead of redraw to
+         make sure the bitmap is redrawn.
+         (MapCanvas.projection_changed, MapCanvas.set_view_transform,
+         MapCanvas.shape_selected): Call full_redraw instead of readraw to
+         make sure the bitmap is redrawn.
+         (MapCanvas.OnSize): New method to handle size events so that the
+         bitmap can be redrawn.
+-04-29  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/mainwindow.py (MainWindow.__init__): Subscribe to the
+         canvas' VIEW_POSITION event
+         (MainWindow.view_position_changed): Handler for VIEW_POSITION.
+         Update the text in the status-bar accordingly.
+         * Thuban/UI/view.py (MapCanvas): Derive from Publisher as well
+         (MapCanvas.__del__): Implement because Publisher.__del__ has to be
+         called.
+         (MapCanvas.__init__): Bind EVT_LEAVE_WINDOW too. Initialize
+         current_position
+         (MapCanvas.set_current_position): New method to set
+         current_position. Issue a VIEW_POSITION event
+         (MapCanvas.CurrentPosition): New public method to return the value
+         of current_position. Should be called when the VIEW_POSITION event
+         is processed.
+         (MapCanvas.OnLeftDown, MapCanvas.OnLeftUp, MapCanvas.OnMotion):
+         Update the position.
+         (MapCanvas.OnLeaveWindow): Set the position to None.
+         * Thuban/UI/messages.py (VIEW_POSITION): New message for the
+         position in the statusbar
+-04-26  Frank Koormann <[email protected]>
+         * Thuban/UI/mainwindow.py: AddLayer, Dialog title s/session/data
+-04-24  Frank Koormann <[email protected]>
+         * Resources/Bitmaps/identify.xpm: shadow added
+         * Resources/Bitmaps/fullextent.xpm: new
+-04-22  Jan-Oliver Wagner <[email protected]>
+         * Thuban/UI/tree.py (update_tree): added test for None on map bounding
+         box
+-04-21  Jan-Oliver Wagner <[email protected]>
+         * Thuban/UI/proj4dialog.py (UTMProposeZoneDialog): new
+         * Thuban/UI/tree.py (update_tree): added added map extent
+         * Thuban/UI/mainwindow.py (_method_command): extended by parameter
+         icon; added map_full_extend as tool
+-04-19  Jan-Oliver Wagner <[email protected]>
+         * Thuban/UI/mainwindow.py (SaveSession): launch save as dialog for
+         saving _new_ sessions
+         * Thuban/Model/session.py (create_empty_session): new session
+         don't have a filename (set to None)
+         * Thuban/UI/tree.py (update_tree): added filename and modified flag
+         * Thuban/Model/load.py (ProcessSession): convert projection
+         parameters from unicode to regular string
+         * Data/iceland_sample.session: Added UTM Zone 26 projection.
+-04-11  Bernhard Herzog  <[email protected]>
+         * extensions/shapelib/shapefil.h, extensions/shapelib/shpopen.c,
+         extensions/shapelib/dbfopen.c: Update to the versions of shapelib
+.2.9
+         * setup.py (Lib.wxproj extension): Don't link shpopen.c and put
+         the pyshapelib directoy into the list of include dirs, so that
+         pyshapelib_api.h can be found.
+         * extensions/thuban/wxproj.cpp (pyshapelib_api): New variable that
+         holds the pyshapelib C-API
+         (draw_polygon_shape, point_in_polygon_shape, shape_centroid): Use
+         pyshapelib_api to access the shapelib functions.
+         (initwxproj): Import the c_api from the shapelib module and
+         initialize pyshapelib_api.
+-04-04  Bernhard Herzog  <[email protected]>
+         * setup.py (thuban_bdist_rpm.initialize_options): Use
+         initialize_options to create the scripts for the rpm.
+         * extensions/pyprojection/setup.py (PROJ4_PREFIX): Just use /
+-04-03  Bernhard Herzog  <[email protected]>
+         * setup.py: Increment version to 0.1.1
+         * Thuban/UI/mainwindow.py (MainWindow.__init__): Move the "Add
+         Layer" and "Remove Layer" commands from the layer menu to the map
+         menu
+-02-15  Bernhard Herzog  <[email protected]>
+         * Thuban/Model/layer.py (Layer.Shape): list append only takes one
+         argument (python <= 1.5.2 erroneously accepted multiuple
+         arguments)
+-02-04  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/identifyview.py (IdentifyGridCtrl): New class to use a
+         RecordGrid in the identifyview.
+         (IdentifyView.__init__): Use IdentifyGridCtrl instead of
+         IdentifyListCtrl. The grid allows editing of the values.
+         * Thuban/UI/controls.py (RecordTable, RecordGridCtrl): New classes
+         implementing a grid for a single row of a thuban table.
+         * Thuban/UI/view.py (MapCanvas.SelectShapeAt): Search through all
+         layers by default. Easier to use than the previous default of only
+         searching through the select layer which meant that if no layer
+         was selected, you couldn't select a shape.
+         * Thuban/UI/tableview.py (TableGrid.__init__): Fix typo
+         * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Honour the
+         stroke_width attribute
+         * Thuban/Model/save.py (save_session): Write the new stroke_width
+         attribute
+         * Thuban/Model/load.py (ProcessSession.startElement): Read the
+         stroke_width attribute
+         * Thuban/Model/layer.py (Layer.__init__): New parameter and
+         instance variable stroke_width
+         (Layer.SetStrokeWidth): Set the stroke_width.
+-02-01  Bernhard Herzog  <[email protected]>
+         * extensions/thuban/wxproj.cpp (project_points): Fix two
+         off-by-one errors in the last loop that joins the various parts
+         together.
+-01-14  Bernhard Herzog  <[email protected]>
+         * setup.py (data_dist.make_distribution): Fix some typos
+-09-18  Bernhard Herzog  <[email protected]>
+         * README: Slight tweaking in preparation for the 0.1 release
+         * setup.cfg: Add section for sdist to create both tgz and zip
+         archives
+         * setup.py: increase version number to 0.1
+         (data_dist): New command class for data distribution
+-09-14  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/identifyview.py (IdentifyListCtrl.selected_shape):
+         Handle the case of no layer (i.e. layer is None) properly.
+         * Thuban/UI/proj4dialog.py (UTMDialog.__init__, Proj4Dialog.__init__):
+         Set the initial selection of the combo boxes to reflect the
+         projection we're starting with in a way that works on windows,
+         too.
+         * Thuban/Lib/connector.py (Connector.print_connections): Print the
+         puiblisher's ids in hex to make it easier to compare them to the
+         standard repr of python methods
+         * Thuban/Model/map.py (Map.Destroy): Unsubscribe the label_layer
+         messages
+-09-13  Bernhard Herzog  <[email protected]>
+         * Thuban/UI/tree.py (SessionTreeCtrl.OnSelChanged): Make sure to
+         deselect the layer if no layer is selected
+         * Thuban/UI/view.py (MapCanvas.OnPaint): Only delay drawing to
+         idle time when there actually is something to draw. If there's
+         nothing to draw simply clear the window
+         (MapCanvas.do_redraw): Call dc.EndDrawing and add some comments.
+         (MapCanvas.SetMap): force a redraw in all cases because
+         FitMapToWindow doesn't always do it.
+         (MapCanvas.ZoomFactor): Add an optional parameter, center, to
+         specify the point to move into the center of the window
+         (ZoomOutTool.MouseUp, ZoomInTool.MouseUp): If the mouse wasn't
+         dragged, zoon in/out by a factor of 2
+         (MapCanvas.find_shape_at): Iterate backwards (i.e. with decreasing
+         index, i.e. reversed drawing order) so that objects appearing to
+         be in from of others are selected first. This is probably mostly
+         relevant for point shapes where the symbols used may overlap
+         * Thuban/Model/session.py (create_empty_session): Unset the
+         modified bit before returning it
+         * Thuban/UI/mainwindow.py (MainWindow.NewSession): Use
+         create_empty_session session to create the new, empty session.
+         * Thuban/UI/mainwindow.py (MainWindow.__init__): Set the size of
+         the tool bitmaps.
+         (MainWindow.OnClose, MainWindow.save_modified_session): Separate
+         the code that asks whether the session should be saved into the
+         new method save_modified_session.
+         (MainWindow.OpenSession, MainWindow.NewSession): Use the new
+         method to save modified session here too.
 -09-11  Bernhard Herzog  <[email protected]>
          * setup.py (InnoIconItem): fix typo
-Line 62
+Line 5759
          (MainWindow.identify_view_on_demand): Store the interactor in an
          instvar and use that reference instead of going through main.app
          * Thuban/UI/mainwindow.py (MainWindow.ShowSessionTree):
          * Thuban/UI/application.py (ThubanApplication.OnInit):
          * Thuban/UI/main.py (main): Create the session tree view in main
          with the new mainwindow method ShowSessionTree and not directly
          the application's OnInit method
-Line 79
+Line 5776
          layer to the tableview dialog.
          * Thuban/UI/tableview.py: Add some doc-strings
          (TableGrid):
          (TableGrid.OnRangeSelect):
          (TableGrid.OnSelectCell):
          (TableFrame.__init__):
-Line 146
+Line 5843
 -09-05  Bernhard Herzog  <[email protected]>
          * Thuban/UI/view.py (MapCanvas.__init__): New argument, interactor.
          * Thuban/UI/mainwindow.py (MainWindow.__init__): New argument
          interactor to pass through to the MapCanvas
          * Thuban/UI/application.py (ThubanApplication.OnInit): Use the new
          argument to the MainWindow constructor to get rid of the ugly hack
          that made main.app available early just so that the mapcanvas
-Line 196
+Line 5893
          (ThubanInstall.run): Remove the leading install root from the
          script filename if an install root was specified and use the new
          link_file method
          * Thuban/UI/mainwindow.py (MainWindow.AddLayer): Fit the map to
          the window when the first layer is added to the map.
-Line 233
+Line 5930
          (InnoIconItem): Helper class for bdist_inno
          (thuban_bdist_inno): Thuban specific version of bdist_inno. Added
          this together with the appropriate parameters, to the setup call.
          * setup.cfg (bdist_inno): added new section for the inno setup
          installer

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