/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 2017 by bh, Wed Dec 3 18:43:03 2003 UTC revision 2520 by frank, Tue Jan 11 16:52:40 2005 UTC
# Line 1  Line 1 
1  # Copyright (C) 2001, 2002, 2003 by Intevation GmbH  # Copyright (C) 2001, 2002, 2003, 2004 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jan-Oliver Wagner <[email protected]>  # Jan-Oliver Wagner <[email protected]>
4  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
# Line 35  from Thuban.UI.multiplechoicedialog impo Line 35  from Thuban.UI.multiplechoicedialog impo
35  import view  import view
36  import tree  import tree
37  import tableview, identifyview  import tableview, identifyview
 from Thuban.UI.classifier import Classifier  
38  import legend  import legend
39  from menu import Menu  from menu import Menu
40    
# Line 53  import Thuban.Model.resource Line 52  import Thuban.Model.resource
52    
53  import projdialog  import projdialog
54    
55    from Thuban.Lib.classmapper import ClassMapper
56    
57    layer_properties_dialogs = ClassMapper()
58    
59  class MainWindow(DockFrame):  class MainWindow(DockFrame):
60    
# Line 349  class MainWindow(DockFrame): Line 351  class MainWindow(DockFrame):
351          """          """
352          self.SetStatusText(text)          self.SetStatusText(text)
353    
354        def OpenOrRaiseDialog(self, name, dialog_class, *args, **kw):
355            """
356            Open or raise a dialog.
357    
358            If a dialog with the denoted name does already exist it is
359            raised.  Otherwise a new dialog, an instance of dialog_class,
360            is created, inserted into the main list and displayed.
361            """
362            dialog = self.get_open_dialog(name)
363    
364            if dialog is None:
365                dialog = dialog_class(self, name, *args, **kw)
366                self.add_dialog(name, dialog)
367                dialog.Show(True)
368            else:
369                dialog.Raise()
370                              
371      def save_modified_session(self, can_veto = 1):      def save_modified_session(self, can_veto = 1):
372          """If the current session has been modified, ask the user          """If the current session has been modified, ask the user
373          whether to save it and do so if requested. Return the outcome of          whether to save it and do so if requested. Return the outcome of
# Line 378  class MainWindow(DockFrame): Line 397  class MainWindow(DockFrame):
397    
398      def OpenSession(self):      def OpenSession(self):
399          if self.save_modified_session() != wxID_CANCEL:          if self.save_modified_session() != wxID_CANCEL:
400              dlg = wxFileDialog(self, _("Open Session"), ".", "",              dlg = wxFileDialog(self, _("Open Session"),
401                                   self.application.Path("data"), "",
402                                 "Thuban Session File (*.thuban)|*.thuban",                                 "Thuban Session File (*.thuban)|*.thuban",
403                                 wxOPEN)                                 wxOPEN)
404              if dlg.ShowModal() == wxID_OK:              if dlg.ShowModal() == wxID_OK:
405                  self.application.OpenSession(dlg.GetPath(),                  self.application.OpenSession(dlg.GetPath(),
406                                               self.run_db_param_dialog)                                               self.run_db_param_dialog)
407                    self.application.SetPath("data", dlg.GetPath())
408              dlg.Destroy()              dlg.Destroy()
409    
410      def run_db_param_dialog(self, parameters, message):      def run_db_param_dialog(self, parameters, message):
# Line 398  class MainWindow(DockFrame): Line 419  class MainWindow(DockFrame):
419              self.application.SaveSession()              self.application.SaveSession()
420    
421      def SaveSessionAs(self):      def SaveSessionAs(self):
422          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"),
423                               self.application.Path("data"), "",
424                             "Thuban Session File (*.thuban)|*.thuban",                             "Thuban Session File (*.thuban)|*.thuban",
425                             wxSAVE|wxOVERWRITE_PROMPT)                             wxSAVE|wxOVERWRITE_PROMPT)
426          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
427              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
428              self.application.SaveSession()              self.application.SaveSession()
429                self.application.SetPath("data",dlg.GetPath())
430          dlg.Destroy()          dlg.Destroy()
431    
432      def Exit(self):      def Exit(self):
# Line 468  class MainWindow(DockFrame): Line 491  class MainWindow(DockFrame):
491          dialog.Raise()          dialog.Raise()
492    
493      def AddLayer(self):      def AddLayer(self):
494          dlg = wxFileDialog(self, _("Select one or more data files"), ".", "",          dlg = wxFileDialog(self, _("Select one or more data files"),
495                               self.application.Path("data"), "",
496                             _("Shapefiles (*.shp)") + "|*.shp;*.SHP|" +                             _("Shapefiles (*.shp)") + "|*.shp;*.SHP|" +
497                             _("All Files (*.*)") + "|*.*",                             _("All Files (*.*)") + "|*.*",
498                             wxOPEN | wxMULTIPLE)                             wxOPEN | wxMULTIPLE)
# Line 491  class MainWindow(DockFrame): Line 515  class MainWindow(DockFrame):
515                          # if we're adding a layer to an empty map, fit the                          # if we're adding a layer to an empty map, fit the
516                          # new map to the window                          # new map to the window
517                          self.canvas.FitMapToWindow()                          self.canvas.FitMapToWindow()
518                        self.application.SetPath("data",filename)
519          dlg.Destroy()          dlg.Destroy()
520    
521      def AddRasterLayer(self):      def AddRasterLayer(self):
522          dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",          dlg = wxFileDialog(self, _("Select an image file"),
523                               self.application.Path("data"), "", "*.*",
524                             wxOPEN)                             wxOPEN)
525          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
526              filename = dlg.GetPath()              filename = dlg.GetPath()
# Line 513  class MainWindow(DockFrame): Line 539  class MainWindow(DockFrame):
539                      # if we're adding a layer to an empty map, fit the                      # if we're adding a layer to an empty map, fit the
540                      # new map to the window                      # new map to the window
541                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
542                    self.application.SetPath("data", filename)
543          dlg.Destroy()          dlg.Destroy()
544    
545      def AddDBLayer(self):      def AddDBLayer(self):
# Line 521  class MainWindow(DockFrame): Line 548  class MainWindow(DockFrame):
548          dlg = ChooseDBTableDialog(self, self.application.Session())          dlg = ChooseDBTableDialog(self, self.application.Session())
549    
550          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
551              dbconn, dbtable = dlg.GetTable()              dbconn, dbtable, id_column, geo_column = dlg.GetTable()
552              try:              try:
553                  title = str(dbtable)                  title = str(dbtable)
554    
555                  # Chose the correct Interface for the database type                  # Chose the correct Interface for the database type
556                  store = PostGISShapeStore(dbconn, dbtable)                  store = session.OpenDBShapeStore(dbconn, dbtable,
557                  session.AddShapeStore(store)                                                   id_column = id_column,
558                                                     geometry_column = geo_column)
559                  layer = Layer(title, store)                  layer = Layer(title, store)
560              except:              except:
561                  # Some error occured while initializing the layer                  # Some error occured while initializing the layer
562                  self.RunMessageBox(_("Add Layer from database"),                  self.RunMessageBox(_("Add Layer from database"),
563                                     _("Can't open the database table '%s'")                                     _("Can't open the database table '%s'")
564                                     % dbtable)                                     % dbtable)
565                    return
566    
567              map = self.canvas.Map()              map = self.canvas.Map()
568    
# Line 562  class MainWindow(DockFrame): Line 591  class MainWindow(DockFrame):
591              return self.canvas.Map().CanRemoveLayer(layer)              return self.canvas.Map().CanRemoveLayer(layer)
592          return False          return False
593    
594        def LayerToTop(self):
595            layer = self.current_layer()
596            if layer is not None:
597                self.canvas.Map().MoveLayerToTop(layer)
598    
599      def RaiseLayer(self):      def RaiseLayer(self):
600          layer = self.current_layer()          layer = self.current_layer()
601          if layer is not None:          if layer is not None:
# Line 572  class MainWindow(DockFrame): Line 606  class MainWindow(DockFrame):
606          if layer is not None:          if layer is not None:
607              self.canvas.Map().LowerLayer(layer)              self.canvas.Map().LowerLayer(layer)
608    
609        def LayerToBottom(self):
610            layer = self.current_layer()
611            if layer is not None:
612                self.canvas.Map().MoveLayerToBottom(layer)
613    
614      def current_layer(self):      def current_layer(self):
615          """Return the currently selected layer.          """Return the currently selected layer.
616    
# Line 583  class MainWindow(DockFrame): Line 622  class MainWindow(DockFrame):
622          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
623          return self.canvas.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
624    
625        def has_selected_shape_layer(self):
626            """Return true if a shape layer is currently selected"""
627            return isinstance(self.current_layer(), Layer)
628    
629      def has_selected_shapes(self):      def has_selected_shapes(self):
630          """Return true if a shape is currently selected"""          """Return true if a shape is currently selected"""
631          return self.canvas.HasSelectedShapes()          return self.canvas.HasSelectedShapes()
# Line 590  class MainWindow(DockFrame): Line 633  class MainWindow(DockFrame):
633      def HideLayer(self):      def HideLayer(self):
634          layer = self.current_layer()          layer = self.current_layer()
635          if layer is not None:          if layer is not None:
636              layer.SetVisible(0)              layer.SetVisible(False)
637    
638      def ShowLayer(self):      def ShowLayer(self):
639          layer = self.current_layer()          layer = self.current_layer()
640          if layer is not None:          if layer is not None:
641              layer.SetVisible(1)              layer.SetVisible(True)
642    
643        def ToggleLayerVisibility(self):
644            layer = self.current_layer()
645            layer.SetVisible(not layer.Visible())
646    
647      def DuplicateLayer(self):      def DuplicateLayer(self):
648          """Ceate a new layer above the selected layer with the same shapestore          """Ceate a new layer above the selected layer with the same shapestore
# Line 606  class MainWindow(DockFrame): Line 653  class MainWindow(DockFrame):
653                                layer.ShapeStore(),                                layer.ShapeStore(),
654                                projection = layer.GetProjection())                                projection = layer.GetProjection())
655              new_classification = copy.deepcopy(layer.GetClassification())              new_classification = copy.deepcopy(layer.GetClassification())
656                new_layer.SetClassificationColumn(
657                        layer.GetClassificationColumn())
658              new_layer.SetClassification(new_classification)              new_layer.SetClassification(new_classification)
659              self.Map().AddLayer(new_layer)              self.Map().AddLayer(new_layer)
660    
# Line 615  class MainWindow(DockFrame): Line 664  class MainWindow(DockFrame):
664          return layer is not None and hasattr(layer, "ShapeStore")          return layer is not None and hasattr(layer, "ShapeStore")
665    
666      def LayerShowTable(self):      def LayerShowTable(self):
667            """
668            Present a TableView Window for the current layer.
669            In case the window is already open, bring it to the front.
670            In case, there is no active layer, do nothing.
671            In case, the layer has no ShapeStore, do nothing.
672            """
673          layer = self.current_layer()          layer = self.current_layer()
674          if layer is not None:          if layer is not None:
675                if not hasattr(layer, "ShapeStore"):
676                    return
677              table = layer.ShapeStore().Table()              table = layer.ShapeStore().Table()
678              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
679              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
# Line 627  class MainWindow(DockFrame): Line 684  class MainWindow(DockFrame):
684                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
685                  dialog.Show(True)                  dialog.Show(True)
686              else:              else:
687                  # FIXME: bring dialog to front here                  dialog.Raise()
                 pass  
688    
689      def MapProjection(self):      def MapProjection(self):
690    
# Line 670  class MainWindow(DockFrame): Line 726  class MainWindow(DockFrame):
726          self.OpenLayerProperties(layer)          self.OpenLayerProperties(layer)
727    
728      def OpenLayerProperties(self, layer, group = None):      def OpenLayerProperties(self, layer, group = None):
729          name = "layer_properties" + str(id(layer))          """
730          dialog = self.get_open_dialog(name)          Open or raise the properties dialog.
731    
732          if dialog is None:          This method opens or raises the properties dialog for the
733              dialog = Classifier(self, name, self.Map(), layer, group)          currently selected layer if one is defined for this layer
734              self.add_dialog(name, dialog)          type.
735              dialog.Show()          """
736          dialog.Raise()          dialog_class = layer_properties_dialogs.get(layer)
737    
738            if dialog_class is not None:
739                name = "layer_properties" + str(id(layer))
740                self.OpenOrRaiseDialog(name, dialog_class, layer, group = group)
741    
742      def LayerJoinTable(self):      def LayerJoinTable(self):
743          layer = self.canvas.SelectedLayer()          layer = self.canvas.SelectedLayer()
# Line 718  class MainWindow(DockFrame): Line 778  class MainWindow(DockFrame):
778          return dialog is not None and dialog.IsShown()          return dialog is not None and dialog.IsShown()
779    
780      def TableOpen(self):      def TableOpen(self):
781          dlg = wxFileDialog(self, _("Open Table"), ".", "",          dlg = wxFileDialog(self, _("Open Table"),
782                               self.application.Path("data"), "",
783                             _("DBF Files (*.dbf)") + "|*.dbf|" +                             _("DBF Files (*.dbf)") + "|*.dbf|" +
784                             #_("CSV Files (*.csv)") + "|*.csv|" +                             #_("CSV Files (*.csv)") + "|*.csv|" +
785                             _("All Files (*.*)") + "|*.*",                             _("All Files (*.*)") + "|*.*",
# Line 734  class MainWindow(DockFrame): Line 795  class MainWindow(DockFrame):
795                                     _("Can't open the file '%s'.") % filename)                                     _("Can't open the file '%s'.") % filename)
796              else:              else:
797                  self.ShowTableView(table)                  self.ShowTableView(table)
798                    self.application.SetPath("data",filename)
799    
800      def TableClose(self):      def TableClose(self):
801          tables = self.application.session.UnreferencedTables()          tables = self.application.session.UnreferencedTables()
# Line 810  class MainWindow(DockFrame): Line 872  class MainWindow(DockFrame):
872    
873          # Second, let the user rename the layers          # Second, let the user rename the layers
874          for table in to_rename:          for table in to_rename:
875              dlg = wxTextEntryDialog(self, "Table Title: ", "Rename Table",              dlg = wxTextEntryDialog(self, _("Table Title:"), _("Rename Table"),
876                                      table.Title())                                      table.Title())
877              try:              try:
878                  if dlg.ShowModal() == wxID_OK:                  if dlg.ShowModal() == wxID_OK:
# Line 859  class MainWindow(DockFrame): Line 921  class MainWindow(DockFrame):
921          self.canvas.Print()          self.canvas.Print()
922    
923      def RenameMap(self):      def RenameMap(self):
924          dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",          dlg = wxTextEntryDialog(self, _("Map Title:"), _("Rename Map"),
925                                  self.Map().Title())                                  self.Map().Title())
926          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
927              title = dlg.GetValue()              title = dlg.GetValue()
# Line 872  class MainWindow(DockFrame): Line 934  class MainWindow(DockFrame):
934          """Let the user rename the currently selected layer"""          """Let the user rename the currently selected layer"""
935          layer = self.current_layer()          layer = self.current_layer()
936          if layer is not None:          if layer is not None:
937              dlg = wxTextEntryDialog(self, "Layer Title: ", "Rename Layer",              dlg = wxTextEntryDialog(self, _("Layer Title:"), _("Rename Layer"),
938                                      layer.Title())                                      layer.Title())
939              try:              try:
940                  if dlg.ShowModal() == wxID_OK:                  if dlg.ShowModal() == wxID_OK:
# Line 971  def _has_selected_layer(context): Line 1033  def _has_selected_layer(context):
1033      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
1034      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
1035    
1036    def _has_selected_layer_visible(context):
1037        """Return true if a layer is selected in the context which is
1038        visible."""
1039        if context.mainwindow.has_selected_layer():
1040            layer = context.mainwindow.current_layer()
1041            if layer.Visible(): return True
1042        return False
1043    
1044    def _has_selected_shape_layer(context):
1045        """Return true if a shape layer is selected in the context"""
1046        return context.mainwindow.has_selected_shape_layer()
1047    
1048  def _has_selected_shapes(context):  def _has_selected_shapes(context):
1049      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
1050      return context.mainwindow.has_selected_shapes()      return context.mainwindow.has_selected_shapes()
# Line 990  def _has_visible_map(context): Line 1064  def _has_visible_map(context):
1064      if map is not None:      if map is not None:
1065          for layer in map.Layers():          for layer in map.Layers():
1066              if layer.Visible():              if layer.Visible():
1067                  return 1                  return True
1068      return 0      return False
1069    
1070  def _has_legend_shown(context):  def _has_legend_shown(context):
1071      """Return true if the legend window is shown"""      """Return true if the legend window is shown"""
# Line 1107  _method_command("layer_hide", _("&Hide") Line 1181  _method_command("layer_hide", _("&Hide")
1181                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1182  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
1183                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
1184                  sensitive = _has_selected_layer)                  sensitive = _has_selected_shape_layer)
1185  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
1186                  sensitive = _has_selected_layer,                  sensitive = _has_selected_layer,
1187                  helptext = _("Edit the properties of the selected layer"))                  helptext = _("Edit the properties of the selected layer"))
1188  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
1189                  sensitive = _has_selected_layer,                  sensitive = _has_selected_shape_layer,
1190                  helptext = _("Join and attach a table to the selected layer"))                  helptext = _("Join and attach a table to the selected layer"))
1191    
1192    # further layer methods:
1193    _method_command("layer_to_top", _("&Top"), "LayerToTop",
1194                    helptext = _("Put selected layer to the top"),
1195                    sensitive = _has_selected_layer)
1196    _method_command("layer_to_bottom", _("&Bottom"), "LayerToBottom",
1197                    helptext = _("Put selected layer to the bottom"),
1198                    sensitive = _has_selected_layer)
1199    _method_command("layer_visibility", _("&Visible"), "ToggleLayerVisibility",
1200                    checked = _has_selected_layer_visible,
1201                    helptext = _("Toggle visibility of selected layer"),
1202                    sensitive = _has_selected_layer)
1203    
1204  def _can_unjoin(context):  def _can_unjoin(context):
1205      """Return whether the Layer/Unjoin command can be executed.      """Return whether the Layer/Unjoin command can be executed.
1206    
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