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revision 477 by bh, Thu Mar 6 15:03:48 2003 UTC revision 807 by jan, Fri May 2 16:44:24 2003 UTC
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1    2003-05-02  Jan-Oliver Wagner <[email protected]>
2    
3            Implementation of MemoryTable.
4    
5            * Thuban/Model/table.py (MemoryTable): New. Quite simple table
6            implementation that operates on a list of tuples. All of the data
7            are kept in the memory.
8    
9            * test/test_table.py (MemoryTableTest): New.
10    
11            * test/test_transientdb.py (SimpleTable): Removed.
12            (TestTransientTable.test_transient_joined_table,
13            (TestTransientTable.test_transient_table_read_twice): Replaced
14            SimpleTable by MemoryTable.
15    
16    2003-04-30  Jonathan Coles   <[email protected]>
17    
18            * Data/iceland_sample.thuban: Now contains correct projections
19            for each of the layers.
20    
21            * Resources/Projections/defaults.proj: Geographic projection
22            contains unit conversion parameter.
23    
24    2003-04-30  Jonathan Coles   <[email protected]>
25    
26            The most important part of this putback is the projection changes.
27            It should now be possible to specify the projection that a layer
28            is in and then specify a different projection for the map. The
29            projection dialog has an extra parameter for a geographic projection
30            which lets the user select if the input is in degrees or radians.
31    
32            * Thuban/Model/layer.py (Layer.ShapesInRegion): Fix docstring
33            to say that the parameter is a tuple of unprojected
34            points (which is what the callers to this method were assuming).
35            Also, since the points are unprojected we need to projected them.
36    
37            * Thuban/UI/legend.py (LegendTree.MoveCurrentItemUp,
38            LegendTree.MoveCurrentItemDown): If the layer or any of the layer's
39            groups are selected, move the layer up/down. Fixes RTbug #1833.
40    
41            * Thuban/UI/mainwindow.py: Move menu item map_rename up.
42    
43            * Thuban/UI/projdialog.py (ProjFrame._OnSave): Add missing
44            parameter in call to SetClientData.
45            (GeoPanel): Add support for selecting the units that the
46            source data is in (Radians or Degrees).
47    
48            * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Optimize
49            the rendering loop by reducing the number of if's, removing the
50            unnecessary try/except block, and checking if the old group
51            is the same as the new one (which happens a lot if there is
52            no classification, or lots of shapes are in the same group).
53    
54            * Thuban/UI/view.py (MapCanvas.OnPaint): Add a try/except block
55            around the redraw routine to try to catch problems that the user
56            may create by selecting invalid projections for the data set and
57            map. Clears the display if there are any problems and prints the
58            error.
59            (MapCanvas.do_redraw): Use DC.Clear() instead of drawing a filled
60            rectangle.
61    
62            * extensions/thuban/wxproj.cpp (project_point): First invert the
63            supplied point (which should be in projected coordinates) using
64            the layer's projection and then project the point using the
65            map's projection.
66            (project_points): Use project_point() to project each point.
67    
68    2003-04-30  Jan-Oliver Wagner <[email protected]>
69    
70            * Thuban/Model/layer.py (Layer.SetShapeStore): Fixed a bug:
71            don't set the Classification to None if the classfication field
72            is None (ie only a DEFAULT).
73    
74    2003-04-30  Bernhard Herzog  <[email protected]>
75    
76            * Thuban/UI/view.py: Fix some typos.
77    
78            * Thuban/UI/mainwindow.py (MainWindow.identify_view_on_demand): Do
79            not pop up the dialog if the selection becomes empty (this could
80            happen if e.g. a new selection is opened while the identify tool
81            is active and dialog had been closed)
82    
83    2003-04-30  Bernhard Herzog  <[email protected]>
84    
85            * Thuban/Model/transientdb.py (TransientTableBase.__init__): New
86            instance variable read_record_last_result
87            (TransientTableBase.read_record): Make sure reading the same
88            record twice works. The implementation uses the new instance
89            variable read_record_last_result
90    
91            * test/test_transientdb.py
92            (TestTransientTable.test_transient_table_read_twice): New test
93            case for the above bug-fix.
94    
95    2003-04-29  Jonathan Coles   <[email protected]>
96    
97            * Thuban/common.py: Removed. No longer needed Str2Num. RTbug #1832.
98    
99            * Thuban/UI/classgen.py: Remove all uses of Str2Num.
100    
101            * Thuban/UI/classifier.py: Remove all uses of Str2Num.
102            (ClassTable.SetValueAsCustom): Rename keyword argument in
103            ClassGroup* constructors to match argument name.
104    
105    2003-04-29  Bernhard Herzog  <[email protected]>
106    
107            * Thuban/Model/session.py (Session.Destroy): Explicitly close the
108            transient DB if it exists to make sure it doesn't leave a journal
109            file in the temp directory.
110    
111            * Thuban/Model/transientdb.py (TransientDatabase.close): Set
112            self.conn to None after closing the connection to make sure it's
113            not closed twice
114    
115    2003-04-29  Jonathan Coles   <[email protected]>
116    
117            Add a visible parameter in the layer XML tag. The default value is
118            "true". If anything other than "false" is specified we also assume
119            "true". Addresses RTbug #1025.
120    
121            * Doc/thuban.dtd: Add visible parameter to a layer.
122    
123            * Thuban/Model/layer.py (BaseLayer.__init__): Change default value
124            of visible from 1 to True.
125            (Layer.__init__): Change default value of visible from 1 to True.
126    
127            * Thuban/Model/load.py (SessionLoader.start_layer): Read visible
128            parameter.
129    
130            * Thuban/Model/save.py (SessionSaver.write_layer): Save visible
131            parameter.
132    
133            * test/test_load.py: Add new test data contents_test_visible.
134            (LoadSessionTest.setUp): save test data.
135            (LoadSessionTest.testLayerVisibility): Test if the visible flag
136            is loaded correctly.
137    
138            * test/test_save.py (SaveSessionTest.testSingleLayer): Add test
139            for saving an invisible layer.
140    
141    2003-04-29  Jonathan Coles   <[email protected]>
142    
143            * Thuban/UI/mainwindow.py (MainWindow.SetMap): Look up the
144            legend dialog box and tell it to change its map to the one
145            supplied to SetMap(). Fixes RTbug #1770.
146    
147    2003-04-29  Bernhard Herzog  <[email protected]>
148    
149            Next step of table implementation. Introduce a transient database
150            using SQLite that some of the data is copied to on demand. This
151            allows us to do joins and other operations that require an index
152            for good performance with reasonable efficiency. Thuban now needs
153            SQLite 2.8.0 and pysqlite 0.4.1. Older versions may work but I
154            haven't tested that.
155            
156            * Thuban/Model/transientdb.py: New. Transient database
157            implementation.
158    
159            * test/test_transientdb.py: New. Tests for the transient DB
160            classes.
161    
162            * Thuban/Model/session.py (AutoRemoveFile, AutoRemoveDir): New
163            classes to help automatically remove temporary files and
164            directories.
165            (Session.__init__): New instance variables temp_dir for the
166            temporary directory and transient_db for the SQLite database
167            (Session.temp_directory): New. Create a temporary directory if not
168            yet done and return its name. Use AutoRemoveDir to have it
169            automatically deleted
170            (Session.TransientDB): Instantiate the transient database if not
171            done yet and return it.
172    
173            * Thuban/Model/data.py (ShapefileStore.__init__): Use an
174            AutoTransientTable so that data is copied to the transient DB on
175            demand.
176            (SimpleStore): New class that simply combines a table and a
177            shapefile
178    
179            * Thuban/Model/table.py (Table, DBFTable): Rename Table into
180            DBFTable and update its doc-string to reflect the fact that this
181            is only the table interface to a DBF file. Table is now an alias
182            for DBFTable for temporary backwards compatibility.
183    
184            * Thuban/UI/application.py (ThubanApplication.OnExit): Make sure
185            the last reference to the session goes away so that the temporary
186            files are removed properly.
187    
188            * test/test_load.py (LoadSessionTest.tearDown): Remove the
189            reference to the session to make sure the temporary files are
190            removed.
191    
192    2003-04-29  Bernhard Herzog  <[email protected]>
193    
194            * Thuban/Model/load.py (XMLReader.__init__, XMLReader.read): Turn
195            the __parser instance variable into a normal local variable in
196            read. It's only used there and read will never be called more than
197            once. Plus it introduces a reference cycle that keeps can keep the
198            session object alive for a long time.
199    
200    2003-04-29  Jonathan Coles   <[email protected]>
201    
202            * Thuban/Model/proj.py (Projection): Removed Set*() methods to make
203            Projection an immutable item. Fixes RTbug #1825.
204            (Projection.__init__): Initialize instance variables here.
205            (ProjFile.Replace): New. Replace the given projection object with
206            the new projection object. This solves the problem of needing the
207            mutator Projection.SetProjection() in the ProjFrame class and
208            allows a projection to change parameters without changing its
209            location in the file.
210    
211            * Thuban/UI/mainwindow.py (MainWindow.SaveSessionAs): Dialog should
212            be of type wxSAVE and should verify overwriting a file.
213    
214            * Thuban/UI/projdialog.py (ProjFrame._OnSave): Use the new
215            ProjFile.Replace() method instead of the mutator
216            Projection.SetProjection(). Also requires that we reassign the
217            client data to the new projection.
218    
219            * test/test_proj.py (TestProjection.test): Test GetName() and
220            GetAllParameters()
221            (TestProjFile.test): Remove tests for Set*() methods. Add tests
222            for Replace().
223    
224    2003-04-25  Jonathan Coles   <[email protected]>
225    
226            * Thuban/Model/save.py (SessionSaver.write_projection): Make sure
227            to save the name of the projection.
228    
229            * test/test_save.py (SaveSessionTest.testLayerProjection): New
230            test to verify layer projections are saved correctly.
231    
232    2003-04-25  Jonathan Coles   <[email protected]>
233    
234            * Thuban/Model/proj.py (Projection.SetName): Set the name
235            to "Unknown" if name is None.
236            (Projection.SetAllParameters): New. Set the projection's
237            parameter list to the one supplied.
238            (Projection.SetProjection): New. Set the projection's
239            properties to those of the supplied Projection.
240    
241            * Thuban/UI/mainwindow.py (MainWindow.MapProjection): Set
242            the dialog title to include the map's title.
243            (MainWindow.LayerProjection): Set the dialog title to include
244            the layer's title.
245    
246            * Thuban/UI/projdialog.py (ProjFrame.__ShowError): Consolidate
247            error dialogs into a single method call.
248            (ProjFrame.__VerifyButtons): Add more states to check.
249            (ProjFrame.__GetProjection): Return the current state of an
250            edited projection or None.
251            (ProjFrame.__FillAvailList): Remove checks for states that
252            shouldn't exist.
253            (ProjFrame._OnNew): Clear all selected items and supply
254            a projection panel if necessary.
255    
256            * test/test_proj.py (TestProjFile.test): Add tests for
257            ProjFile.SetAllParameters, ProjFile.SetProjection,
258            ProjFile.SetName.
259    
260    2003-04-25  Jonathan Coles   <[email protected]>
261    
262            * Thuban/UI/projdialog.py (ProjFrame.__FillAvailList): Now
263            takes an optional argument to select the current projection.
264            This does not guarantee that the item is visible due to
265            limited wxWindows functionality. Fixes RTBug #1821.
266    
267    2003-04-25  Jonathan Coles   <[email protected]>
268    
269            * Thuban/Model/load.py (SessionLoader.start_projection): Remember
270            the projection name and use it when constructing the Projection
271            object.
272    
273            * Thuban/Model/proj.py (Projection.__init__): Change the default
274            value for 'name' to None and then test if name is equal to None
275            in the body of the constructor. This way the caller doesn't have to
276            know what the default value should be. Namely, useful in load.py
277            where we have to pick a default value if the 'name' parameter
278            doesn't exist in the XML file.
279    
280            * test/test_load.py (LoadSessionTest.testLayerProjection): New.
281            Tests a file where a layer has a projection.
282    
283    2003-04-25  Jonathan Coles   <[email protected]>
284    
285            * Thuban/Model/layer.py (Layer.TreeInfo): Add an item to the
286            tree for projection information.
287    
288            * Thuban/Model/load.py (XMLReader.GetFilename): Renamed from
289            XMLReader.GetFileName.
290            (SessionLoader): Added support for loading projection tags that
291            appear inside a layer.
292    
293            * Thuban/Model/proj.py (ProjFile): Document the class. Move
294            back to using a list because the order of the projections in
295            the file is important to maintain. Fixes RTbug #1817.
296    
297            * Thuban/Model/resource.py: Rename calls to ProjFile.GetFileName
298            to ProjFile.GetFilename.
299    
300            * Thuban/Model/save.py (SessionSaver.write_layer): Save projection
301            information.
302    
303            * Thuban/UI/projdialog.py (ProjFrame._OnAddToList): Renamed from
304            ProjFrame._OnSaveAs. Removed old dead code from previous
305            implementation.
306            (ProjFrame._OnExport): Add support for exporting more than one
307            projection to a single file.
308            (ProjFrame.__FillAvailList): use string formatting (% operator)
309            to build strings that are (partly) translated. Fixes RTbug #1818.
310    
311            * test/test_proj.py (TestProjFile.test): New. Tests the base ProjFile
312            class.
313    
314    2003-04-24  Bernhard Herzog  <[email protected]>
315    
316            * po/es.po: Updated Spanish translation by Daniel Calvelo Aros
317    
318            * po/fr.po: New. French translation by Daniel Calvelo Aros
319    
320            * Thuban/UI/projdialog.py (ProjFrame._OnSaveAs): Don't translate
321            empty strings.
322    
323    2003-04-24  Jonathan Coles   <[email protected]>
324    
325            * Thuban/Model/layer.py (Layer.GetProjection): New. Needed to
326            implement the interface that the ProjFrame dialog expects.
327    
328            * Thuban/Model/proj.py (Projection.SetName): New. Allows the
329            name of the projection to be changed.
330            (ProjFile): Use a dictionary instead of a list so that removing
331            projections is easier and we are sure about uniqueness.
332            (ProjFile.Remove): Remove the given projection object.
333    
334            * Thuban/Model/resource.py (GetSystemProjFiles, GetUserProjFiles):
335            Return a list with only one projection file instead of searching for
336            any projection file. This simplifies many things if the user can
337            only have one system file and one user file.
338    
339            * Thuban/UI/classgen.py: Change all references to
340            genCombo to genChoice.
341    
342            * Thuban/UI/mainwindow.py: Add a Projection option under the
343            layer menu.
344            (MainWindow.LayerProjection): New. Open up a projection window
345            for a layer.
346    
347            * Thuban/UI/projdialog.py: Large changes to how the dialog is
348            laid out. Use three panels instead of one. One for the list of
349            projections, one for the edit controls, and one for the buttons.
350            Fixed resizing problems so that the dialog resizes correctly
351            when the projection panel changes. Added import/export, save, and
352            new buttons/functionality.
353    
354    2003-04-24  Bernhard Herzog  <[email protected]>
355    
356            First step towards table management. Introduce a simple data
357            abstraction so that we replace the data a layer uses more easily
358            in the next step.
359    
360            * Thuban/Model/data.py: New file with a simple data abstraction
361            that bundles shapefile and dbffile into one object.
362    
363            * Thuban/Model/session.py (Session.OpenShapefile): New method to
364            open shapefiles and return a shape store object
365    
366            * Thuban/Model/layer.py (Layer.__init__): Pass the data as a store
367            object instead of a shapefile filename. This introduces a new
368            instance variable store holding the datastore. For intermediate
369            backwards compatibility keep the old instance variables.
370            (open_shapefile): Removed. No longer needed with the shape store.
371            (Layer.SetShapeStore, Layer.ShapeStore): New methods to set and
372            get the shape store used by a layer.
373            (Layer.Destroy): No need to explicitly destroy the shapefile or
374            table anymore.
375    
376            * Thuban/UI/mainwindow.py (MainWindow.AddLayer)
377            (MainWindow.AddLayer): Use the session's OpenShapefile method to
378            open shapefiles
379    
380            * Thuban/Model/load.py (ProcessSession.start_layer): Use the
381            session's OpenShapefile method to open shapefiles
382    
383            * test/test_classification.py
384            (TestClassification.test_classification): Use the session's
385            OpenShapefile method to open shapefiles and build the filename in
386            a more platform independed way
387    
388            * test/test_layer.py (TestLayer.setUp, TestLayer.tearDown):
389            Implement to have a session to use in the tests
390            (TestLayer.test_arc_layer, TestLayer.test_polygon_layer)
391            (TestLayer.test_point_layer, TestLayer.test_empty_layer): Use the
392            session's OpenShapefile method to open shapefiles
393            (TestLayerLegend.setUp): Instantiate a session so that we can use
394            it to open shapefiles.
395            (TestLayerLegend.tearDown): Make sure that all references to
396            layers and session are removed otherwise we may get a resource
397            leak
398    
399            * test/test_map.py (TestMapAddLayer.test_add_layer)
400            (TestMapWithContents.setUp): Instantiate a session so that we can
401            use it to open shapefiles.
402            (TestMapWithContents.tearDown): Make sure that all references to
403            layers, maps and sessions are removed otherwise we may get a
404            resource leak
405            ("__main__"): use support.run_tests() so that more info about
406            uncollected garbage is printed
407    
408            * test/test_save.py (SaveSessionTest.testSingleLayer): Use the
409            session's OpenShapefile method to open shapefiles
410            ("__main__"): use support.run_tests() so that more info about
411            uncollected garbage is printed
412    
413            * test/test_selection.py (TestSelection.tearDown): Make sure that
414            all references to the session and the selection are removed
415            otherwise we may get a resource leak
416            (TestSelection.get_layer): Instantiate a session so that we can
417            use it to open shapefiles.
418            ("__main__"): use support.run_tests() so that more info about
419            uncollected garbage is printed
420    
421            * test/test_session.py (TestSessionBase.tearDown)
422            (TestSessionWithContent.tearDown): Make sure that all references
423            to the session and layers are removed otherwise we may get a
424            resource leak
425            (TestSessionWithContent.setUp): Use the session's OpenShapefile
426            method to open shapefiles
427    
428    2003-04-24  Jonathan Coles   <[email protected]>
429    
430            * Thuban/Model/load.py (XMLReader.read): Should have been checking
431            if the file_or_filename object had the 'read' attribute.
432    
433    2003-04-23  Jonathan Coles   <[email protected]>
434    
435            * Thuban/Model/resource.py: Fixes RTbug #1813.
436            (ReadProjFile): Add documentation about which exceptions are raised.
437            Always pass the exceptions up to the caller.
438            (GetProjFiles): If the directory can't be read return an empty list.
439            If any of the proj files can't be read skip that file and go
440            on to the next one.
441    
442            * test/test_proj.py: Added test cases to handle nonexistent files,
443            unreadable files, and files that don't parse correctly.
444    
445    2003-04-23  Jonathan Coles   <[email protected]>
446    
447            Projection dialog. Allows the user to select from a list
448            of projection templates and optionally edit them and save new ones.
449    
450            * Thuban/UI/projdialog.py (ProjFrame): New. Main dialog.
451            (ProjPanel): Base class for projection specific panels.
452            (TMPanel): Projection panel for Transverse Mercartor.
453            (UTMPanel): Projection panel for Universal Transverse Mercartor.
454            (LCCPanel): Projection panel for Lambert Conic Conformal.
455            (GeoPanel): Projetion panel for Geographic Projection.
456    
457    2003-04-23  Jonathan Coles   <[email protected]>
458    
459            * Thuban/Model/load.py (XMLReader): Renamed from XMLProcessor to
460            promote symmetry. There now exists XMLReader and XMLWriter.
461            (XMLReader.read): New. Call to read the given file descriptor or
462            filename.
463            (XMLReader.close): New. Make sure the file is closed.
464            (XMLReader.GetFileName): New. Return just the file name that is being
465            read from.
466            (XMLReader.GetDirectory): New. Return just the directory of the file
467            that is being read.
468            (XMLReader.AddDispatchers): New. Take a dictionary which contains
469            the names of functions to call as the XML tree is parsed.
470            (XMLReader.startElementNS): Updated to use new dispatcher dictionary.
471            (XMLReader.endElementNS): Updated to use new dispatcher dictionary.
472            (SessionLoader): Removed class variables start_dispatcher and
473            end_dispatcher since this functionality is now part of a class
474            instance. Fixes RTbug #1808.
475            (SessionLoader.__init__): Add dispatcher functions.
476            (load_xmlfile): Code was moved into the XMLReader.read().
477            (load_session): Use modified SessionLoader.
478    
479            * Thuban/Model/map.py (Map.GetProjection): New. Returns the
480            map's projection.
481    
482            * Thuban/Model/proj.py (Projection.GetParameters): Renamed to
483            GetAllParameters.
484            (Projection.GetParameter): Returns the value for the given parameter.
485    
486            * Thuban/Model/resource.py: Use XMLReader and XMLWriter.
487            (GetProjFiles): Renamed from GetProjections. Now returns a list
488            of ProjFile objects.
489            (GetSystemProjFiles): Renamed from GetSuppliedProjections. Returns
490            a list of ProjFile objects whose files are not user defined.
491            (GetUserProjFiles): Renamed from GetUserProjections. Returns a
492            list of ProjFile objects whose files are user defined.
493            (ProjFileReader): Extend new XMLReader.
494    
495            * Thuban/Model/save.py (XMLWriter): Renamed from XMLSaver to
496            promote symmetry.
497    
498            * Thuban/UI/classgen.py (ClassGenDialog.__init__): Use a wxChoice
499            control instead of a wxComboBox. wxChoice controls do not generate
500            events as the uses highlights possible choices which fixes problems
501            with resizing the dialog when the use selects an option.
502    
503            * Thuban/UI/classifier.py (Classifier.__init__): Use a wxChoice
504            control instead of a wxComboBox.
505    
506            * Thuban/UI/mainwindow.py (MainWindow.Projection): Use new projection
507            dialog.
508    
509            * test/test_proj.py (TestProjection.test): New tests for GetParameter
510            method.
511    
512    2003-04-22  Bernhard Herzog  <[email protected]>
513    
514            * Thuban/UI/mainwindow.py: Remove some unused imports and global
515            constants
516    
517            * Thuban/UI/identifyview.py (IdentifyListCtrl.selected_shape)
518            (IdentifyGridCtrl.selected_shape): Use table, not shapetable.
519    
520    2003-04-17  Bernhard Herzog  <[email protected]>
521    
522            * Thuban/Model/layer.py: Don't import LAYER_LEGEND_CHANGED.
523            (Layer): Update doc-string since LAYER_LEGEND_CHANGED is not used
524            anymore.
525            (Layer.BoundingBox, Layer.GetFieldType, Layer.NumShapes)
526            (Layer.ShapeType, Layer.Shape): No need to call
527            self.open_shapefile since it's always called in __init__
528    
529            * Thuban/UI/application.py (ThubanApplication.MainLoop): Removed.
530            In wxPython 2.4 there's no need to extend MainLoop anymore since
531            wxPython itself makes sure OnExit is called.
532    
533    2003-04-16  Jonathan Coles   <[email protected]>
534    
535            Initial putback of projection management code. Includes new
536            classes to read and write projection files. The current load
537            and save classes were abstracted a bit so they could be reused.
538            The Projection class was extended to provide new methods and
539            have a name.
540    
541            * Thuban/Model/load.py (XMLProcessor): New. Contains all the
542            general XML reading methods that were part of ProcessSession.
543    
544            * Thuban/Model/proj.py (Projection.__init__): Accepts an optional
545            name.
546            (ProjFile): New. Represents a file that contains projection
547            information.
548    
549            * Thuban/Model/resource.py: New. Contains general utilities
550            for read and writing projection files.
551    
552            * Thuban/Model/save.py (XMLSaver): New. Contains all the
553            general XML writing methods that were part of SessionSaver.
554            (SessionSaver): Renamed from Saver.
555    
556            * test/test_proj.py: New test cases for the projection
557            file read and write functions.
558    
559    2003-04-16  Jonathan Coles   <[email protected]>
560    
561            * Thuban/Model/classification.py: Use repr() around values
562            in the ClassGroup*.__repr__() methods so it is clearer when
563            a value is a string and when it is a number.
564    
565            * test/test_load.py: Rework the classification test to test
566            that we can load old files.
567            (testLabels): Test a file where the groups have labels.
568    
569    2003-04-16  Bernhard Herzog  <[email protected]>
570    
571            Safer implementation of the performance enhancements of the
572            low-level renderer:
573            
574            * extensions/thuban/wxproj.cpp (extract_projection)
575            (extract_pointer): Rename extract_projection to extract_pointer
576            and redefine its purpose to return the pointer stored in a CObject
577            returned by the object's cobject method. Update all callers.
578            (s_draw_info, free_draw_info, draw_polygon_init): Implement the
579            handling of these low-level parameters so that each s_draw_info
580            instance is handled as a CObject at python level that also
581            contains real references to the actual python objects which
582            contain the values in the struct. Add free_draw_info as the
583            destructor.
584            (draw_polygon_shape): Add the py_draw_info parameter which must a
585            cobject containing an s_draw_info pointer.
586    
587            * Thuban/UI/renderer.py (MapRenderer.polygon_render_param): New
588            method to instantiat the low-level render parameter
589            (MapRenderer.draw_shape_layer): Use the new method. Remove some
590            commented out code.
591            (MapRenderer.draw_polygon_shape): Make the first parameter not the
592            layer but the low-level render parameter
593            (ScreenRenderer.draw_shape_layer): Use the low-level render
594            parameter.
595    
596    2003-04-15  Jonathan Coles   <[email protected]>
597    
598            * Thuban/Model/classification.py: Implemented __repr__ for
599            the ClassGroup* classes to make debugging a bit easier.
600            (ClassGroup.SetLabel): Check that the string is an instance
601            of StringTypes not StringType. Accounts for Unicode strings.
602    
603            * Thuban/Model/color.py: Implemented __repr__ to make
604            debugging a bit easier.
605    
606            * Thuban/Model/save.py (Saver.write_classification): Need to
607            save the group label.
608    
609            * test/test_load.py (testClassification): New. Loads the
610            iceland_sample_test.thuban file and checks if it was loaded
611            correctly.
612    
613    2003-04-15  Jonathan Coles   <[email protected]>
614    
615            * extensions/thuban/wxproj.cpp (draw_polygon_init): New. Used
616            to improve rendering performance by initializing the variables
617            that are not change each time draw_polygon_shape() is called.
618            The values are stored in a global struct draw_info.
619            (draw_polygon_shape): Removed initialization code that is
620            now in draw_polygon_init().
621    
622            * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Make
623            drawing initialization call to draw_polygon_init()
624            (MapRenderer.draw_polygon_shape): Use new signature of
625            draw_polygon_shape.
626    
627            * Thuban/UI/classgen.py (GenUniformPanel): Fix spin control
628            weirdness by setting the range to (1, maxint).
629    
630            * Thuban/Model/classification.py (ClassGroupProperties): Make
631            instance variables private and optimize comparison operator
632            by first checking if the color references are the same.
633            (ClassGroupSingleton): Make instance variables private.
634            (ClassGroupRange): Make instance variables private.
635    
636            * HOWTO-Release: Filled in missing steps for releasing packages.
637    
638    2003-04-15  Bernhard Herzog  <[email protected]>
639    
640            First stab at internationalized messages:
641    
642            * Thuban/__init__.py (_): Implement the translation function for
643            real using the python gettext module.
644    
645            * Thuban/UI/classifier.py (ClassTable.GetRowLabelValue): Don't
646            translate empty strings.
647    
648            * Thuban/UI/application.py (ThubanApplication.read_startup_files):
649            Add a missing space to a warning message
650    
651            * po/README: New. Notes about the management of the translation
652            files.
653    
654            * po/Makefile: New. Makefile to help manage the translation files.
655    
656            * po/es.po: New. Spanish translation by Daniel Calvelo Aros
657    
658            * MANIFEST.in: Include the *.mo files in Resources/Locale and the
659            translations and support files in po/
660    
661            * setup.py (data_files): Add the *.mo files to the data_files too
662    
663            * README: Add note about the translations when building from CVS
664    
665    2003-04-14  Jonathan Coles   <[email protected]>
666    
667            * Thuban/UI/dock.py: Fixes some window resizing problems most
668            noticable under windows. Always assume the button bitmaps will
669            be there. Code clean up.
670            (DockabelWindow.Dock, DockableWindow.UnDock): Force all the
671            images for the dock/undock button to the same images.
672            Work around for RTbug #1801.
673    
674            * Thuban/UI/legend.py (LegendPanel.__init__): The toolbar should
675            be allowed to grow within the sizer. Fixes a bug under Windows
676            where the toolbar wasn't being drawn.
677    
678    2003-04-14  Frank Koormann   <[email protected]>
679    
680            * Resources/Bitmaps/dock_12.xpm, Resources/Bitmaps/undock_12.xpm:
681            Updated design to try to make the button functionality more
682            transparent.
683    
684    2003-04-14  Jonathan Coles   <[email protected]>
685    
686            * Thuban/UI/legend.py (LegendPanel.__init__): Call Create() to
687            finalize the intialization of the panel.
688    
689            * Thuban/UI/dock.py (DockPanel.Create): New. Finalizes the
690            creation of the panel. Should be the last thing called in the
691            initializer of a subclass.
692    
693            * Thuban/UI/classgen.py (ClassGenDialog.__init__): Actively
694            set the current selections in the combo boxes. This is needed
695            under Windows.
696    
697            * Thuban/UI/classifier.py (Classifier.__init__): Add a top
698            level panel to the dialog so that the background colors are
699            consistent under Windows.
700    
701    2003-04-11  Jonathan Coles   <[email protected]>
702    
703            * Thuban/UI/classgen.py: Change color ramps to start at white
704            not black.
705    
706            * Thuban/UI/legend.py: Enable/disable the legend buttons when
707            the legend changes. Fixes RTbug #1793.
708    
709            * test/test_classification.py: Added test for copying of
710            classifications.
711    
712    2003-04-11  Jonathan Coles   <[email protected]>
713    
714            * Thuban/UI/resource.py: New. Centralize the loading of resources
715            such as bitmaps.
716    
717            * Thuban/UI/classgen.py (GenUniquePanel.__init__): Reordered buttons,
718            added images to the move buttons, added 'reverse' button.
719            (CustomRampPanel.__init__): Added images to the move buttons.
720            (GreyRamp): New. Generates a ramp from white to black.
721            (HotToColdRamp): New. Generates a ramp from cold to hot colors.
722    
723            * Thuban/UI/classifier.py: Refactored ID's from ID_CLASSIFY_* to
724            ID_PROPERTY_*.
725            (Classifier.__init__): Minor changes to the layout.
726            (Classifier._OnTitleChanged): Listen for when the user edits the
727            title and update the dialog's title and the layer's title.
728    
729            * Thuban/UI/dock.py: Use new bitmaps for the control buttons.
730    
731            * Thuban/UI/legend.py: Use new bitmaps for the control buttons.
732            (LegendTree._OnMsgLayerTitleChanged): Change the displayed title
733            if the layer's title changes.
734    
735            * Thuban/UI/mainwindow.py: Added new menu item and associated code
736            to open a dialog to rename the map.
737            (MainWindow): Use new resource class to import bitmaps.
738    
739    2003-04-11  Jonathan Coles   <[email protected]>
740    
741            * Resources/Bitmaps/close_12.xpm, Resources/Bitmaps/dock_12.xpm,
742            Resources/Bitmaps/group_use.xpm, Resources/Bitmaps/group_use_all.xpm,
743            Resources/Bitmaps/group_use_none.xpm,
744            Resources/Bitmaps/group_use_not.xpm,
745            Resources/Bitmaps/hide_layer.xpm,
746            Resources/Bitmaps/layer_properties.xpm,
747            Resources/Bitmaps/lower_layer.xpm, Resources/Bitmaps/raise_layer.xpm,
748            Resources/Bitmaps/show_layer.xpm, Resources/Bitmaps/undock_12.xpm:
749            New.
750    
751    2003-04-10  Jonathan Coles   <[email protected]>
752    
753            * Thuban/Model/classification.py: (ClassGroupRange.__init__):
754            Should pass group to ClassGroup constructor.
755    
756    2003-04-10  Jonathan Coles   <[email protected]>
757    
758            * Thuban/Model/classification.py: (ClassGroup): Move all the common
759            methods of the derived classes ([Set|Get]Properties(), __eq__, __ne__)
760            here. Implement SetVisible(), IsVisible().
761            (ClassGroup.__init__): Add group parameter which acts as a copy
762            constructor.
763    
764            * Thuban/UI/classifier.py (ClassTable): Add a new column for the
765            "Visible" check boxes.
766            (Classifier): Rename the buttons and refactor the code to match
767            the new labels.
768    
769            * Thuban/UI/legend.py: Classify button is now called "Properties".
770            Refactored the code to change variable names.
771            (LegendTree.__FillTreeLayer): Only list a group if it is visible.
772    
773            * Thuban/UI/mainwindow.py: MainWindow.OpenClassifier renamed to
774            MainWindow.OpenLayerProperties. MainWindow.LayerEditProperties
775            renamed to MainWindow.LayerEditProperties.
776            (MainWindow.ToggleLegend): Don't include map name in legend title.
777            (MainWindow.SetMap): Added the map name to the window title.
778            (MainWindow.LayerFillColor, MainWindow.LayerTransparentFill,
779            MainWindow.LayerOutlineColor, MainWindow.LayerNoOutline): Removed.
780            Functionality is found in the layer properties dialog.
781    
782            * Thuban/UI/renderer.py (MapRenderer.draw_shape_layer): Only
783            draw visible groups.
784    
785    2003-04-09  Jonathan Coles   <[email protected]>
786    
787            * Thuban/UI/classgen.py: Modifications to allow simple
788            addition and selection of new color schemes.
789            (MonochromaticRamp): New. Generates a ramp between two colors.
790            (RedRamp): New. Generates a ramp of all red.
791            (GreenRamp): New. Generates a ramp of all green.
792            (BlueRamp): New. Generates a ramp of all blue.
793    
794    2003-04-09  Jonathan Coles   <[email protected]>
795    
796            * Thuban/Model/classification.py (Classification.__deepcopy__):
797            Need to copy over field and fieldType attributes.
798    
799            * Thuban/Model/table.py (Table.field_range): New. Retrive the
800            maximum and minimum values over the entire table for a given
801            field.
802            (Table.GetUniqueValues): New. Retrieve all the unique values
803            in the table for a given field.
804    
805            * Thuban/UI/classgen.py: Renamed GenRangePanel to GenUniformPanel.
806            (GenUniquePanel): New. Controls to allow the user to select
807            which unique field values they would like in the classification.
808            (CustomRampPanel): Code that was in ClassGenDialog that allows
809            the user to select the properties for a custom ramp.
810            (ClassGenerator.GenUniformDistribution): Was called GenerateRanges.
811    
812            * Thuban/UI/classifier.py: Removed a lot of debugging code.
813            (Classifier._SetClassification): Callback method so that the
814            class generator can set the classification in the grid.
815            (ClassGroupPropertiesCtrl): New. Encapsulates the drawing and
816            editing of a group properties class into a wxWindows control.
817    
818            * Thuban/UI/dock.py: It was decided that if the user closes
819            a dockable window the window should simply hide itself. That
820            way if the user wants to show the dock again it appears in the
821            same place as it was when it was closed.
822            (DockableWindow.Destroy): Call renamed method OnDockDestroy().
823            (DockableWindow._OnButtonClose): Hide the window instead of
824            destroying it.
825            (DockableWindow._OnClose): Hide the window instead of
826            destroying it.
827    
828            * Thuban/UI/legend.py (LegendTree): Use a private method to
829            consistently set the font and style of the text. Fixes RTbug #1786.
830    
831            * Thuban/UI/mainwindow.py: Import just the Classifier class.
832    
833    2003-04-07  Bernhard Herzog  <[email protected]>
834    
835            * Thuban/UI/mainwindow.py (main_menu): Move the toggle_legend item
836            to the map module
837    
838    2003-04-07  Bernhard Herzog  <[email protected]>
839    
840            * Thuban/UI/mainwindow.py (MainWindow.ShowSessionTree): Removed in
841            favor of ToggleSessionTree
842            (MainWindow.ToggleSessionTree): New method to toggle visibility of
843            the session tree.
844            (MainWindow.SessionTreeShown): New method to return whether the
845            session tree is currently shown.
846            (MainWindow.ToggleLegend): New method to toggle visibility of the
847            legend
848            (MainWindow.ShowLegend): Implement in terms of ToggleLegend and
849            LegendShown
850            (MainWindow.LegendShown): New method to return whether the legend
851            is currently shown.
852            (_method_command): Add checked parameter so we can define check
853            menu items
854            (_has_tree_window_shown, _has_legend_shown): Use the appropriate
855            mainwindow methods.
856            (show_session_tree, show_legend commands): Removed.
857            (toggle_session_tree, toggle_legend commands): New commands to
858            toggle the visibility of the dialogs
859    
860    2003-04-07  Jonathan Coles   <[email protected]>
861    
862            * Thuban/UI/classgen.py: Fix Windows problem.
863    
864            * Thuban/UI/dock.py: Fix Windows problem.
865    
866            * Thuban/UI/mainwindow.py: Use False instead of false.
867            (MainWindow.ShowLegend): Remove unnecessary switch parameter.
868    
869    2003-04-07  Jonathan Coles   <[email protected]>
870    
871            Since we now say that the order of the groups in a classification
872            matters, it makes sense to be able to manipulate that order. Most
873            of the changes to Thuban/Model/classification.py are to that end.
874    
875            * Thuban/Model/classification.py (Classification.AppendGroup,
876            Classification.InsertGroup, Classification.ReplaceGroup,
877            Classification.RemoveGroup, Classification.GetGroup): Do as the
878            names imply.
879            (Classification.FindGroup): This was called GetGroup, but GetGroup
880            takes an index, while FindGroup takes a value.
881            (Classification.__deepcopy__): Copy all the groups, BUT NOT THE LAYER
882            REFERENCE. Currently there is a cyclic reference between the layer
883            and its classification. If the classification doesn't need to know
884            its owning layer we can change this, since it may make sense to be
885            able to use the same classification with different layers.
886    
887            * Thuban/Model/load.py: Use Classification.AppendGroup(), not AddGroup()
888    
889            * Thuban/UI/classgen.py: Use Classification.AppendGroup(),
890            not AddGroup()
891    
892            * Thuban/UI/classifier.py: Now that we can depend on the order in
893            a Classification and have methods to manipulate that order we don't
894            need to use our own data structures in the grid. We can simply make
895            the grid/table access the information they need from a copy of
896            the classification object.
897            (Classifier._OnCloseBtn): Event handler for when the user clicks
898            'Close'. This is needed so if the user applies changes and then
899            continues to change the table the user has the option of discarding
900            the most recent changes and keeping what they applied.
901    
902            * Thuban/UI/mainwindow.py: Put "Show Legend" and "Show Session Tree"
903            into the same group.
904    
905            * extensions/thuban/wxproj.cpp (check_version): If Thuban is compiled
906            with a really old version of proj, PJ_VERSION won't even be defined.
907            If it isn't defined then just compile so that the function always
908            returns Py_False.
909    
910            * test/test_classification.py: Fix tests to use the renamed methods.
911            Still need to write tests for the new methods.
912    
913    2003-04-04  Jonathan Coles   <[email protected]>
914    
915            * Thuban/UI/classifier.py (Classifier.__SelectField): Move the
916            call to SetSelection out of the method and before the call
917            to __SelectField in __init__. This prevents a recursion of events
918            when _OnFieldSelect is triggered by the user.
919    
920    2003-04-04  Jonathan Coles   <[email protected]>
921    
922            * Thuban/Model/classification.py: Rename Color.None to
923            Color.Transparent.
924            (ClassGroupProperties.SetLineColori, ClassGroupProperties.SetFill):
925            Don't bother copying the color, since Colors are immutable.
926    
927            * Thuban/Model/color.py, Thuban/Model/layer.py, Thuban/Model/load.py,
928            Thuban/UI/classifier.py, Thuban/UI/mainwindow.py,
929            Thuban/UI/renderer.py, Thuban/UI/view.py:
930            Rename Color.None to Color.Transparent.
931        
932            * test/test_classification.py, test/test_load.py: Rename Color.None
933            to Color.Transparent.
934    
935    2003-04-04  Jonathan Coles   <[email protected]>
936    
937            * Thuban/Model/classification.py: Fix assert calls.
938            (ClassGroupProperties.SetLineColor, ClassGroupProperties.SetFill):
939            Copy the color parameter rather than hold onto a reference.
940    
941            * Thuban/Model/color.py (Color.__copy__, Color.__deepcopy): Copy
942            the color object.
943            (NoColor.__copy__, NoColor.__deepcopy): Return 'self' so that we
944            are sure there exists only one refernce to Color.None in the system.
945            This allows us to use 'is' rather than the comparision functions.
946            
947            * Thuban/Model/save.py: Fix assert calls.
948            
949            * Thuban/UI/classifier.py: Fix assert calls.
950            (ClassGrid._OnCellDClick): Call up to the classifier to open the
951            dialog to edit the groups properties.
952            (ClassGrid._OnCellResize): Make sure that the scollbars are drawn
953            correctly if a cell is resized.
954            (ClassTable.SetClassification): New. Changes the classification
955            that is in the table.
956            (ClassTable.__SetRow): Allow groups to be prepended.
957            (Classifier): New code for opening the EditProperties and
958            GenerateRanges dialogs.
959            (SelectPropertiesDialog.__GetColor): Only set the color in the
960            color dialog if the current color is not None.
961            
962            * Thuban/UI/dock.py: Fix assert calls.
963            
964            * Thuban/UI/legend.py: Fix assert calls.
965            
966            * Thuban/UI/renderer.py: Fix assert calls.
967            
968            * Thuban/UI/classgen.py (ClassGenDialog): Dialog for generating
969            classifications.
970            (GenRangePanel): Panel specific to range generation.
971            (GenSingletonPanel): Panel specific to singleton generation.
972            (ClassGenerator): Class responsible for actually generating
973            the classification from the data gathered in the dialog box.
974            (PropertyRamp): Generates properties whose values range from
975            a starting property to an ending property.
976    
977    2003-04-03  Bernhard Herzog  <[email protected]>
978    
979            * test/support.py (print_garbage_information): New function that
980            prints information about still connected messages and memory
981            leaks.
982            (run_suite): Removed.
983            (run_tests): New function for use as a replacement of
984            unittest.main in the test_* files. This one calls
985            print_garbage_information at the end.
986    
987            * test/runtests.py (main): Use support.print_garbage_information
988    
989            * test/test_layer.py: Use support.run_tests instead of
990            unittest.main so we get memory leak information
991            (TestLayer.test_arc_layer, TestLayer.test_polygon_layer)
992            (TestLayer.test_point_layer, TestLayer.test_empty_layer)
993            (TestLayerLegend.test_visibility): Call the layer's Destroy method
994            to fix a memory leak.
995    
996            * test/test_classification.py: Use support.run_tests instead of
997            unittest.main so we get memory leak information
998            (TestClassification.test_classification): Call the layer's Destroy
999            method to fix a memory leak.
1000    
1001    2003-04-02  Bernhard Herzog  <[email protected]>
1002    
1003            * extensions/thuban/wxproj.cpp (check_version, check_version_gtk):
1004            Handle the reference counts of the return value and errors in
1005            PyArg_ParseTuple correctly.
1006    
1007            * Thuban/UI/application.py (ThubanApplication.OpenSession): Make
1008            sure the filename is absolute to avoid problems when saving the
1009            session again
1010    
1011            * Thuban/Model/table.py: Remove unnecessary import. Fix a typo.
1012    
1013    2003-04-01  Jonathan Coles   <[email protected]>
1014    
1015            *  Thuban/UI/renderer.py (MapRenderer.draw_point_shape): Check
1016            that there actually are points in the returned list of points
1017            before trying to index into the list. The list may be empty if
1018            the shape is a Null Shape.
1019    
1020    2003-04-01  Bernhard Herzog  <[email protected]>
1021    
1022            * test/test_map.py: Don't use from <module> import *
1023    
1024    2003-04-01  Jonathan Coles   <[email protected]>
1025    
1026            * Thuban/Model/session.py: Use LAYER_CHANGED instead of
1027            LAYER_LEGEND_CHANGED
1028    
1029            * Thuban/UI/dock.py (DockableWindow._OnButtonClose): Call
1030            self.Destroy() to close the window after yesterday's changes.
1031    
1032            * test/test_map.py, test/test_session.py: Fix messages that
1033            are sent from maps and layers.
1034    
1035    2003-03-31  Jonathan Coles   <[email protected]>
1036    
1037            * Thuban/UI/classifier.py: Commented out some debugging statements.
1038            (ClassDataPreviewer.Draw): Draw rectangles for polygon layers per
1039            RTbug #1769.
1040    
1041            * Thuban/UI/dock.py (DockableWindow.UnDock): Restore size and
1042            position (although position doesn't work yet under GTK).
1043            (DockableWindow.Destroy): New. Called when the window must be
1044            closed. Namely needed when the DockFrame closes and must close
1045            its children.
1046            (DockFrame): Listen for EVT_CLOSE and destroy all children.
1047    
1048            * Thuban/UI/legend.py (LegendPanel.Destroy): New. Cleans up
1049            when then window is told to close.
1050            (LegendTree._OnMsgLayerChanged): Fixes a seg fault bug. See
1051            comment in source for more info.
1052    
1053            * Thuban/UI/main.py: Show the legend by default when Thuban starts.
1054    
1055            * Thuban/UI/mainwindow.py: Renamed OnClose to _OnClose for
1056            symmetry with other such methods.
1057            (MainWindow.ShowLegend): Show the legend docked by default.
1058    
1059    2003-03-28  Jonathan Coles   <[email protected]>
1060    
1061            * Thuban/UI/classifier.py: Support for highlighting a specific
1062            group within the grid when the classification dialog is opened.
1063            Also contains a lot of debugging printouts which will later
1064            be removed.
1065    
1066            * Thuban/UI/dock.py: Complete rework on the dock code so that
1067            that it is fairly removed from the rest of the Thuban application.
1068            It is easy to add new docks which the rest of the program having
1069            to be aware of them.
1070    
1071            * Thuban/UI/legend.py: Modifications to support selecting a
1072            specific group in the classification dialog. Changed how layers
1073            are drawn when the layer is visible/invisible.
1074    
1075            * Thuban/UI/mainwindow.py: Removed legend specific code and
1076            replaced it with calls to the new dock code.
1077    
1078            * Thuban/UI/renderer.py (MapRenderer.__init__): Added assert
1079            to check if scale > 0. Trying to track down a divide by zero.
1080    
1081    2003-03-26  Jonathan Coles   <[email protected]>
1082    
1083            * Thuban/UI/legend.py: Removed unnecessary LegendDialog class.
1084            (LegendPanel): Removed _OnDock()/_OnUnDock() methods which are
1085            now part of DockableWindow.
1086            (LegendPanel.DoOnSelChanged): Select the current layer in the
1087            map.
1088            (LegendTree._OnSelChanged): Call LegendPanel.DoOnSelChanged()
1089            with the selected layer and/or group.
1090    
1091    2003-03-26  Jonathan Coles   <[email protected]>
1092    
1093            This putback contains the code for dockable windows. There is
1094            no support in wxWindows as of this date for windows that can
1095            attach themselves to other windows.
1096    
1097            The current model contains a DockableWindow which has a parent
1098            window for when it is detached and a dock window that it puts
1099            its contents in when it is docked. The contents of a DockableWindow
1100            must be a DockPanel. DockPanel itself derives from wxPanel.
1101    
1102            * Thuban/Model/layer.py (Layer.ClassChanged): Send a LAYER_CHANGED
1103            message, not a LAYER_LEGEND_CHANGED message.
1104    
1105            * Thuban/Model/map.py (Map): Forward LAYER_CHANGED messages.
1106    
1107            * Thuban/UI/classifier.py (Classifier.__init__): Use wxADJUST_MINSIZE
1108            as one of the style properties for the fieldTypeText item to
1109            be sure that its size is correct when the text changes.
1110    
1111            * Thuban/UI/dock.py: New. Classes for the DockPanel and
1112            DockableWindow.
1113    
1114            * Thuban/UI/legend.py: Added some more buttons and made the
1115            LegendPanel a DockPanel.
1116    
1117            * Thuban/UI/mainwindow.py: Added sash windows to the main window
1118            and supporting functions for manipulating the sashes.
1119            (MainWindow.ShowLegend): Create a DockableWindow with the
1120            LegendPanel as the contents.
1121    
1122            * Thuban/UI/messages.py: Added DOCKABLE_* messages
1123    
1124            * Thuban/UI/view.py (MapCanves.SetMap): Listen for LAYER_CHANGED,
1125            not LAYER_LEGEND_CHANGED, messages.
1126    
1127    2003-03-25  Jonathan Coles   <[email protected]>
1128    
1129            * setup.py: Added custom script bdist_rpm_build_script so that
1130            when the rpm is built the path to wx-config is correct.
1131    
1132            * setup.cfg: Added line saying to use the custom build script
1133    
1134    2003-03-20  Jonathan Coles   <[email protected]>
1135    
1136            Initial implementation of the Legend.
1137    
1138            * Thuban/UI/legend.py: New. Creates a window that shows the map's
1139            Legend information and allows the user to add/modify classifications
1140            and how the layers are drawn on the map.
1141    
1142            * setup.py: New command 'build_docs' which currently uses
1143            happydoc to generate html documentation for Thuban.
1144    
1145            * Thuban/Model/classification.py (ClassGroup.GetDisplayText): New.
1146            Returns a string which is appropriately describes the group.
1147    
1148            * Thuban/Model/layer.py (Layer.SetClassification): Generate a
1149            LAYER_CHANGED event instead of a LAYER_LEGEND_CHANGED event.
1150    
1151            * Thuban/Model/map.py (Map): Rename messages and use new, more
1152            specific, messages.
1153    
1154            * Thuban/Model/messages.py: New message to indicate that a layer's
1155            data has changed (LAYER_CHANGED). New map messages to indicate
1156            when layers have been added/removed/changed or if the stacking order
1157            of the layers has changed.
1158    
1159            * Thuban/Model/session.py: Rename and use new messages.
1160    
1161            * Thuban/UI/classifier.py: Remember if any changes have actually
1162            been applied so that if the dialog is cancelled without an application
1163            of changes we don't have to set a new classification.
1164            (ClassDataPreviewer): Pulled out the window specific code and put it
1165            ClassDataPreviewWindow. ClassDataPreviewer can then be used to draw
1166            symbols on any DC.
1167            
1168            * Thuban/UI/mainwindow.py: New code to open the legend.
1169    
1170            * Thuban/UI/view.py: Use new message names.
1171    
1172    2003-03-19  Jonathan Coles   <[email protected]>
1173    
1174            * Thuban/UI/main.py (verify_versions): New. Checks the versions
1175            of Python, wxPython, and some other libraries.
1176    
1177            * extensions/thuban/wxproj.cpp (check_version): Checks the given
1178            version against what wxproj was compiled with.
1179            (check_version_gtk): If wxproj was compiled with gtk then check
1180            the given version against the version of the gtk library
1181            currently being used.
1182    
1183    2003-03-14  Bernhard Herzog  <[email protected]>
1184    
1185            * test/test_command.py: Run the tests when the module is run as a
1186            script
1187    
1188    2003-03-14  Bernhard Herzog  <[email protected]>
1189    
1190            Implement selection of multiple selected shapes in the same layer:
1191    
1192            - Introduce a new class to hold the selection. This basically
1193              replaces the interactor which was nothing more than the
1194              selection anyway. A major difference is of course that the new
1195              selection class supports multiple selected shapes in one layer
1196            
1197            - Move the object that represents the selection from the
1198              application to the canvas. The canvas is a better place than the
1199              application because the selection represents which shapes and
1200              layer of the map displayed by the canvas are selected and
1201              affects how the map is drawn.
1202    
1203            - Make the selection and its messages publicly available through
1204              the mainwindow.
1205    
1206            - The non-modal dialogs do not get a reference to the interactor
1207              anymore as they can simply refer to their parent, the
1208              mainwindow, for the what the interactor had to offer.
1209    
1210            * Thuban/UI/selection.py: New module with a class to represent the
1211            selection.
1212    
1213            * Thuban/UI/messages.py (SELECTED_TABLE, SELECTED_MAP): Remove
1214            these unused messages
1215    
1216            * Thuban/UI/application.py (ThubanApplication.OnInit)
1217            (ThubanApplication.OnExit, ThubanApplication.SetSession): The
1218            interactor is gone now.
1219            (ThubanApplication.CreateMainWindow): There is no interactor
1220            anymore so we pass None as the interactor argument for now for
1221            compatibility.
1222    
1223            * Thuban/UI/view.py (MapCanvas.delegated_messages)
1224            (MapCanvas.Subscribe, MapCanvas.Unsubscribe): In Subscribe and
1225            Unsubscribe, delegate messages according to the delegated_messages
1226            class variable.
1227            (MapCanvas.__getattr__, MapCanvas.delegated_methods): Get some
1228            attributes from instance variables as described with the
1229            delegated_methods class variable.
1230            (MapCanvas.__init__): New instance variable selection holding the
1231            current selection
1232            (MapCanvas.do_redraw): Deal with multiple selected shapes. Simply
1233            pass them on to the renderer
1234            (MapCanvas.SetMap): Clear the selection when a different map is
1235            selected.
1236            (MapCanvas.shape_selected): Simple force a complete redraw. The
1237            selection class now takes care of only issueing SHAPES_SELECTED
1238            messages when the set of selected shapes actually does change.
1239            (MapCanvas.SelectShapeAt): The selection is now managed in
1240            self.selection
1241    
1242            * Thuban/UI/mainwindow.py (MainWindow.delegated_messages)
1243            (MainWindow.Subscribe, MainWindow.Unsubscribe): In Subscribe and
1244            Unsubscribe, delegate messages according to the delegated_messages
1245            class variable.
1246            (MainWindow.delegated_methods, MainWindow.__getattr__): Get some
1247            attributes from instance variables as described with the
1248            delegated_methods class variable.
1249            (MainWindow.__init__): The interactor as ivar is gone. The
1250            parameter is still there for compatibility. The selection messages
1251            now come from the canvas.
1252            (MainWindow.current_layer, MainWindow.has_selected_layer):
1253            Delegate to the the canvas.
1254            (MainWindow.LayerShowTable, MainWindow.Classify)
1255            (MainWindow.identify_view_on_demand): The dialogs don't need the
1256            interactor parameter anymore.
1257    
1258            * Thuban/UI/tableview.py (TableFrame.__init__)
1259            (LayerTableFrame.__init__, LayerTableFrame.OnClose)
1260            (LayerTableFrame.row_selected): The interactor is gone. It's job
1261            from the dialog's point of view is now done by the mainwindow,
1262            i.e. the parent. Subscribe to SHAPES_SELECTED instead
1263            of SELECTED_SHAPE
1264            
1265            * Thuban/UI/dialogs.py (NonModalDialog.__init__): The interactor
1266            is gone. It's job from the dialog's point of view is now done by
1267            the mainwindow, i.e. the parent.
1268            
1269            * Thuban/UI/classifier.py (Classifier.__init__): The interactor is
1270            gone. It's job from the dialog's point of view is now done by the
1271            mainwindow, i.e. the parent.
1272    
1273            * Thuban/UI/tree.py (SessionTreeView.__init__): The interactor is
1274            gone. It's job from the dialog's point of view is now done by the
1275            mainwindow, i.e. the parent.
1276            (SessionTreeCtrl.__init__): New parameter mainwindow which is
1277            stored as self.mainwindow. The mainwindow is need so that the tree
1278            can still subscribe to the selection messages.
1279            (SessionTreeCtrl.__init__, SessionTreeCtrl.unsubscribe_all)
1280            (SessionTreeCtrl.update_tree, SessionTreeCtrl.OnSelChanged): The
1281            selection is now accessible through the mainwindow. Subscribe to
1282            SHAPES_SELECTED instead of SELECTED_SHAPE
1283    
1284            * Thuban/UI/identifyview.py (IdentifyView.__init__): Use the
1285            SHAPES_SELECTED message now.
1286            (IdentifyView.selected_shape): Now subscribed to SHAPES_SELECTED,
1287            so deal with multiple shapes
1288            (IdentifyView.__init__, IdentifyView.OnClose): The interactor is
1289            gone. It's job from the dialog's point of view is now done by the
1290            mainwindow, i.e. the parent.
1291    
1292            * Thuban/UI/controls.py (RecordListCtrl.fill_list): The second
1293            parameter is now a list of shape ids.
1294            (RecordTable.SetTable): The second parameter is now a list of
1295            indices.
1296    
1297            * Thuban/UI/renderer.py (ScreenRenderer.RenderMap): Rename the
1298            selected_shape parameter and ivar to selected_shapes. It's now a
1299            list of shape ids.
1300            (MapRenderer.draw_label_layer): Deal with multiple selected
1301            shapes. Rearrange the code a bit so that the setup and shape type
1302            distinctions are only executed once.
1303    
1304            * test/test_selection.py: Test cases for the selection class
1305    
1306    2003-03-11  Jonathan Coles   <[email protected]>
1307    
1308            * Thuban/Model/load.py: Temporary fix so that the xml reader
1309            doesn't cause Thuban to crash.
1310    
1311            * Thuban/Model/layer.py: Handle the cyclic references between
1312            a layer and its classification better, and be sure to disconnect
1313            the classification from the layer when the layer is destroyed
1314            so that we don't maintain a cyclic reference that may not be
1315            garbage collected.
1316    
1317            * Thuban/Model/classification.py: See comment for layer.py.
1318    
1319    2003-03-12  Jan-Oliver Wagner <[email protected]>
1320    
1321            * HOWTO-Release: New. Information on the steps for releasing
1322            a new version of Thuban.
1323    
1324    2003-03-11  Jonathan Coles   <[email protected]>
1325    
1326            * Thuban/UI/classifier.py: Add normal border to SelectPropertiesDialog.
1327            Use True instead of true.
1328            (Classifier): Should have a single panel in which all the controls lie.
1329    
1330            * Thuban/UI/proj4dialog.py: Add normal border.
1331    
1332            * Thuban/UI/tree.py: Fixed problem with bad item images under Windows.
1333    
1334            * Thuban/UI/mainwindow.py: Use True instead of true.
1335    
1336            * setup.py: Update some definitions to use wxWindows2.4 files
1337    
1338            * Data/iceland_sample_class.thuban: Fixed file so that the
1339            field_type information is present.
1340    
1341    2003-03-10  Jonathan Coles   <[email protected]>
1342    
1343            * Thuban/UI/classifier.py (Classifier.__init__): Make the
1344            field type label grow so that when the text changes the
1345            size is updated correctly. This may be a wxWindows bug.
1346    
1347    2003-03-10  Jonathan Coles   <[email protected]>
1348    
1349            * Thuban/UI/application.py: Changed SESSION_CHANGED to
1350            SESSION_REPLACED.
1351    
1352            * Thuban/UI/classifier.py: Wrap text with _().
1353            (ClassGrid.CreateTable): Set dimensions and size hints here,
1354            instead of in Reset, so we only set the size once.
1355    
1356            * Thuban/UI/dialogs.py: Don't need Shutdown(); just use Close()!
1357    
1358            * Thuban/UI/mainwindow.py (MainWindow.prepare_new_session):
1359            Call Close() instead of Shutdown().
1360    
1361            * Thuban/UI/messages.py: Changed SESSION_CHANGED to SESSION_REPLACED.
1362    
1363            * Thuban/UI/tree.py: Changed SESSION_CHANGED to SESSION_REPLACED.
1364            Go back to using OnClose() instead of Shutdown().
1365    
1366    2003-03-10  Jonathan Coles   <[email protected]>
1367    
1368            * Thuban/UI/classifier.py (Classifier): SelectField() needed
1369            to know the old field index as well as the new one.
1370    
1371    2003-03-10  Jonathan Coles   <[email protected]>
1372    
1373            * Thuban/UI/classifier.py (Classifier): Use __SelectField()
1374            to correctly set the table information and call this from
1375            __init__ and from _OnFieldSelect so that all the information
1376            is up to date when the dialog opens and when a field is changed.
1377    
1378    2003-03-10  Jonathan Coles   <[email protected]>
1379    
1380            * Thuban/Model/classification.py (Classification): Don't use
1381            layer's message function directly, use the ClassChanged() method
1382            when then classification changes. SetField/SetFieldType/SetLayer
1383            must keep the information about field name and field type in
1384            sync when an owning layer is set or removed.
1385    
1386            * Thuban/Model/layer.py: Added ClassChanged() so that the
1387            classification can tell the layer when its data has changed.
1388            (Layer.SetClassification): Accepts None as an arguement to
1389            remove the current classification and correctly handles
1390            adding a new classification.
1391    
1392            * Thuban/Model/load.py: Comment out print statement
1393    
1394            * test/test_classification.py, test/test_save.py: New and
1395            improved tests.
1396    
1397    2003-03-07  Jonathan Coles   <[email protected]>
1398    
1399            * Thuban/Model/classification.py: Implemented __copy__ and
1400            __deepcopy__ for ClassGroup* and ClassGroupProperites so
1401            they can easily be copied by the classifier dialog.
1402            (ClassGroupProperites.__init__): The default line color should
1403            have been Color.Black.
1404    
1405            * Thuban/UI/classifier.py: Setting and Getting table values now
1406            uses a consistent set of functions.
1407            (Classifier): Now non-modal. Has field type label which changes
1408            as the field changes. Keep track of buttons in a list so that
1409            we can enable/disable the buttons when the None field is selected.
1410            (SelectPropertiesDialog): Add buttons to make the colors transparent.
1411    
1412            * Thuban/UI/dialogs.py (NonModalDialog.Shutdown): New method which
1413            does what OnClose did, but can be called by the application to
1414            close a window. Needed when a session changes, and we have to
1415            close the classifier windows.
1416    
1417            * Thuban/UI/mainwindow.py (MainWindow.prepare_new_session):
1418            Shuts down open dialogs. Used when a new session is created
1419            or a session is opened.
1420            (MainWindow.SaveSession): Should only call application.SaveSession()
1421            if we don't call SaveSessionAs first.
1422            (MainWindow.Classify): Allow different classifier dialogs for
1423            different layers.
1424    
1425            * Thuban/UI/tree.py (SessionTreeView): Remove OnClose and let
1426            the parent class handle it. Add Shutdown() to unsubscibe from
1427            event notification and call the parent Shutdown(). This was
1428            necessary so the application can close the tree window.
1429    
1430    2003-03-06  Jonathan Coles   <[email protected]>
1431    
1432            * Thuban/Model/classification.py: Minor documentation changes,
1433            Addition of __eq__ and __ne__ methods.
1434            (Classification.SetLayer): prevent recursion between this method
1435            and Layer.SetClassification().
1436    
1437            * Thuban/Model/color.py: Addition of __eq__ and __ne__ methods.
1438    
1439            * Thuban/Model/layer.py (SetClassification): prevent recursion
1440            between this method and Classification.SetLayer().
1441    
1442            * test/test_classification.py, test/test_load.py,
1443            test/test_session.py: Fixed and added tests for the classification
1444            classes.
1445    
1446  2003-03-06  Bernhard Herzog  <[email protected]>  2003-03-06  Bernhard Herzog  <[email protected]>
1447    
1448          * Thuban/UI/classifier.py (ClassGrid.__init__)          * Thuban/UI/classifier.py (ClassGrid.__init__)

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