/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 573 by jonathan, Fri Mar 28 17:07:06 2003 UTC revision 821 by jonathan, Mon May 5 18:20:15 2003 UTC
# Line 30  import view Line 30  import view
30  import tree  import tree
31  import proj4dialog  import proj4dialog
32  import tableview, identifyview  import tableview, identifyview
33  import classifier  from Thuban.UI.classifier import Classifier
34  import legend  import legend
35  from menu import Menu  from menu import Menu
36    
37  from context import Context  from context import Context
38  from command import registry, Command, ToolCommand  from command import registry, Command, ToolCommand
39  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION, DOCKABLE_DOCKED, DOCKABLE_UNDOCKED, DOCKABLE_CLOSED  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
40    
41  from Thuban.UI.dock import DockableWindow, DockFrame, DockPanel  from Thuban.UI.dock import DockFrame
42    
43    import resource
44    
45  # the directory where the toolbar icons are stored  import projdialog
 bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  
 bitmapext = ".xpm"  
46    
 ID_WINDOW_LEGEND = 4001  
 ID_WINDOW_CANVAS = 4002  
47    
48    
49  class MainWindow(DockFrame):  class MainWindow(DockFrame):
# Line 101  class MainWindow(DockFrame): Line 98  class MainWindow(DockFrame):
98    
99          self.init_dialogs()          self.init_dialogs()
100    
101          EVT_CLOSE(self, self.OnClose)          EVT_CLOSE(self, self._OnClose)
102    
103      def Subscribe(self, channel, *args):      def Subscribe(self, channel, *args):
104          """Subscribe a function to a message channel.          """Subscribe a function to a message channel.
# Line 243  class MainWindow(DockFrame): Line 240  class MainWindow(DockFrame):
240              command = registry.Command(name)              command = registry.Command(name)
241              if command is not None:              if command is not None:
242                  ID = self.get_id(name)                  ID = self.get_id(name)
243                  filename = os.path.join(bitmapdir, command.Icon()) + bitmapext                  bitmap = resource.GetBitmapResource(command.Icon(),
244                  bitmap = wxBitmap(filename, wxBITMAP_TYPE_XPM)                                                      wxBITMAP_TYPE_XPM)
245                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
246                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
247                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
# Line 380  class MainWindow(DockFrame): Line 377  class MainWindow(DockFrame):
377    
378      def SaveSessionAs(self):      def SaveSessionAs(self):
379          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
380                             "*.thuban", wxOPEN)                             "*.thuban", wxSAVE|wxOVERWRITE_PROMPT)
381          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
382              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
383              self.application.SaveSession()              self.application.SaveSession()
384          dlg.Destroy()          dlg.Destroy()
385    
386      def Exit(self):      def Exit(self):
387          self.Close(false)          self.Close(False)
388    
389      def OnClose(self, event):      def _OnClose(self, event):
390          result = self.save_modified_session(can_veto = event.CanVeto())          result = self.save_modified_session(can_veto = event.CanVeto())
391          if result == wxID_CANCEL:          if result == wxID_CANCEL:
392              event.Veto()              event.Veto()
# Line 398  class MainWindow(DockFrame): Line 395  class MainWindow(DockFrame):
395              # wx's destroy event, but that isn't implemented for wxGTK              # wx's destroy event, but that isn't implemented for wxGTK
396              # yet.              # yet.
397              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
398                DockFrame._OnClose(self, event)
399              self.Destroy()              self.Destroy()
400    
401      def SetMap(self, map):      def SetMap(self, map):
402          self.canvas.SetMap(map)          self.canvas.SetMap(map)
403          #self.legendPanel.SetMap(map)          self.__SetTitle(map.Title())
404    
405            dialog = self.FindRegisteredDock("legend")
406            if dialog is not None:
407                dialog.GetPanel().SetMap(self.Map())
408    
409      def Map(self):      def Map(self):
410          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
411    
         # sanity check  
         #assert(self.canvas.Map() is self.legendPanel.GetMap())  
   
412          return self.canvas.Map()          return self.canvas.Map()
413    
414      def ShowSessionTree(self):      def ToggleSessionTree(self):
415            """If the session tree is shown close it otherwise create a new tree"""
416          name = "session_tree"          name = "session_tree"
417          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
418          if dialog is None:          if dialog is None:
# Line 420  class MainWindow(DockFrame): Line 420  class MainWindow(DockFrame):
420              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
421              dialog.Show(True)              dialog.Show(True)
422          else:          else:
423              # FIXME: bring dialog to front here              dialog.Close()
             pass  
424    
425        def SessionTreeShown(self):
426            """Return true iff the session tree is currently shown"""
427            return self.get_open_dialog("session_tree") is not None
428    
429      def About(self):      def About(self):
430          self.RunMessageBox(_("About"),          self.RunMessageBox(_("About"),
# Line 442  class MainWindow(DockFrame): Line 444  class MainWindow(DockFrame):
444          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
445              filename = dlg.GetPath()              filename = dlg.GetPath()
446              title = os.path.splitext(os.path.basename(filename))[0]              title = os.path.splitext(os.path.basename(filename))[0]
447              layer = Layer(title, filename)              store = self.application.Session().OpenShapefile(filename)
448                layer = Layer(title, store)
449              map = self.canvas.Map()              map = self.canvas.Map()
450              has_layers = map.HasLayers()              has_layers = map.HasLayers()
451              try:              try:
# Line 466  class MainWindow(DockFrame): Line 469  class MainWindow(DockFrame):
469      def CanRemoveLayer(self):      def CanRemoveLayer(self):
470          """Return true if the currently selected layer can be deleted.          """Return true if the currently selected layer can be deleted.
471    
472          If no layer is selected return false.          If no layer is selected return False.
473    
474          The return value of this method determines whether the remove          The return value of this method determines whether the remove
475          layer command is sensitive in menu.          layer command is sensitive in menu.
# Line 474  class MainWindow(DockFrame): Line 477  class MainWindow(DockFrame):
477          layer = self.current_layer()          layer = self.current_layer()
478          if layer is not None:          if layer is not None:
479              return self.canvas.Map().CanRemoveLayer(layer)              return self.canvas.Map().CanRemoveLayer(layer)
480          return 0          return False
481    
482      def RaiseLayer(self):      def RaiseLayer(self):
483          layer = self.current_layer()          layer = self.current_layer()
# Line 513  class MainWindow(DockFrame): Line 516  class MainWindow(DockFrame):
516          dlg.Destroy()          dlg.Destroy()
517          return color          return color
518    
     def LayerFillColor(self):  
         layer = self.current_layer()  
         if layer is not None:  
             color = self.choose_color()  
             if color is not None:  
                 layer.GetClassification().SetDefaultFill(color)  
   
     def LayerTransparentFill(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.GetClassification().SetDefaultFill(Color.None)  
   
     def LayerOutlineColor(self):  
         layer = self.current_layer()  
         if layer is not None:  
             color = self.choose_color()  
             if color is not None:  
                 layer.GetClassification().SetDefaultLineColor(color)  
   
     def LayerNoOutline(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.GetClassification().SetDefaultLineColor(Color.None)  
   
519      def HideLayer(self):      def HideLayer(self):
520          layer = self.current_layer()          layer = self.current_layer()
521          if layer is not None:          if layer is not None:
# Line 563  class MainWindow(DockFrame): Line 542  class MainWindow(DockFrame):
542                  # FIXME: bring dialog to front here                  # FIXME: bring dialog to front here
543                  pass                  pass
544    
545      def Projection(self):      def MapProjection(self):
546          map = self.canvas.Map()  
547          proj = map.projection          name = "map_projection"
548          if proj is None:          dialog = self.get_open_dialog(name)
549              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())  
550          else:          if dialog is None:
551              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,              map = self.canvas.Map()
552                                                 map.BoundingBox())              dialog = projdialog.ProjFrame(self, name,
553          if proj4Dlg.ShowModal() == wxID_OK:                       _("Map Projection: %s") % map.Title(), map)
554              params = proj4Dlg.GetParams()              self.add_dialog(name, dialog)
555              if params is not None:              dialog.Show()
556                  proj = Projection(params)          dialog.Raise()
557              else:  
558                  proj = None      def LayerProjection(self):
559              map.SetProjection(proj)  
560          proj4Dlg.Destroy()          layer = self.current_layer()
561    
562            name = "layer_projection" + str(id(layer))
563            dialog = self.get_open_dialog(name)
564    
565            if dialog is None:
566                map = self.canvas.Map()
567                dialog = projdialog.ProjFrame(self, name,
568                         _("Layer Projection: %s") % layer.Title(), layer)
569                self.add_dialog(name, dialog)
570                dialog.Show()
571            dialog.Raise()
572    
573      def Classify(self):      def LayerEditProperties(self):
574    
575          #          #
576          # the menu option for this should only be available if there          # the menu option for this should only be available if there
# Line 589  class MainWindow(DockFrame): Line 579  class MainWindow(DockFrame):
579          #          #
580    
581          layer = self.current_layer()          layer = self.current_layer()
582          self.OpenClassifier(layer)          self.OpenLayerProperties(layer)
583    
584      def OpenClassifier(self, layer, group = None):      def OpenLayerProperties(self, layer, group = None):
585          name = "classifier" + str(id(layer))          name = "layer_properties" + str(id(layer))
586          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
587    
588          if dialog is None:          if dialog is None:
589              dialog = classifier.Classifier(self, name, layer, group)              dialog = Classifier(self, name, layer, group)
590              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
591              dialog.Show()              dialog.Show()
592          dialog.Raise()          dialog.Raise()
593    
594    
595      def ShowLegend(self, switch = False):      def ShowLegend(self):
596            if not self.LegendShown():
597                self.ToggleLegend()
598    
599        def ToggleLegend(self):
600            """Show the legend if it's not shown otherwise hide it again"""
601          name = "legend"          name = "legend"
602          dialog = self.FindRegisteredDock(name)          dialog = self.FindRegisteredDock(name)
603    
604          if dialog is None:          if dialog is None:
605              title = "Legend: %s" % self.Map().Title()              dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
             dialog = self.CreateDock(name, -1, title, wxLAYOUT_LEFT)  
606              legend.LegendPanel(dialog, None, self)              legend.LegendPanel(dialog, None, self)
607                dialog.Dock()
608                dialog.GetPanel().SetMap(self.Map())
609                dialog.Show()
610            else:
611                dialog.Show(not dialog.IsShown())
612    
613          dialog.GetPanel().SetMap(self.Map())      def LegendShown(self):
614          dialog.Show()          """Return true iff the legend is currently open"""
615            dialog = self.FindRegisteredDock("legend")
616            return dialog is not None and dialog.IsShown()
617    
618      def ZoomInTool(self):      def ZoomInTool(self):
619          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
# Line 633  class MainWindow(DockFrame): Line 634  class MainWindow(DockFrame):
634      def FullExtent(self):      def FullExtent(self):
635          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
636    
637        def FullLayerExtent(self):
638            self.canvas.FitLayerToWindow(self.current_layer())
639    
640      def PrintMap(self):      def PrintMap(self):
641          self.canvas.Print()          self.canvas.Print()
642    
643        def RenameMap(self):
644            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
645                                    self.Map().Title())
646            if dlg.ShowModal() == wxID_OK:
647                title = dlg.GetValue()
648                if title != "":
649                    self.Map().SetTitle(title)
650                    self.__SetTitle(title)
651    
652            dlg.Destroy()
653    
654      def identify_view_on_demand(self, layer, shapes):      def identify_view_on_demand(self, layer, shapes):
655            """Subscribed to the canvas' SHAPES_SELECTED message
656    
657            If the current tool is the identify tool, at least one shape is
658            selected and the identify dialog is not shown, show the dialog.
659            """
660            # If the selection has become empty we don't need to do
661            # anything. Otherwise it could happen that the dialog was popped
662            # up when the selection became empty, e.g. when a new selection
663            # is opened while the identify tool is active and dialog had
664            # been closed
665            if not shapes:
666                return
667    
668          name = "identify_view"          name = "identify_view"
669          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
670              if not self.dialog_open(name):              if not self.dialog_open(name):
# Line 647  class MainWindow(DockFrame): Line 675  class MainWindow(DockFrame):
675                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
676                  pass                  pass
677    
678        def __SetTitle(self, title):
679            self.SetTitle("Thuban - " + title)
680    
681  #  #
682  # Define all the commands available in the main window  # Define all the commands available in the main window
683  #  #
# Line 658  def call_method(context, methodname, *ar Line 689  def call_method(context, methodname, *ar
689      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
690    
691  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
692                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
693      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
694      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
695                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
696                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
697    
698  def make_check_current_tool(toolname):  def make_check_current_tool(toolname):
699      """Return a function that tests if the currently active tool is toolname      """Return a function that tests if the currently active tool is toolname
# Line 692  def _can_remove_layer(context): Line 723  def _can_remove_layer(context):
723    
724  def _has_tree_window_shown(context):  def _has_tree_window_shown(context):
725      """Return true if the tree window is shown"""      """Return true if the tree window is shown"""
726      return context.mainwindow.get_open_dialog("session_tree") is None      return context.mainwindow.SessionTreeShown()
727    
728  def _has_visible_map(context):  def _has_visible_map(context):
729      """Return true iff theres a visible map in the mainwindow.      """Return true iff theres a visible map in the mainwindow.
# Line 707  def _has_visible_map(context): Line 738  def _has_visible_map(context):
738    
739  def _has_legend_shown(context):  def _has_legend_shown(context):
740      """Return true if the legend window is shown"""      """Return true if the legend window is shown"""
741      return context.mainwindow.FindRegisteredDock("legend") is None      return context.mainwindow.LegendShown()
742    
743    
744  # File menu  # File menu
745  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
746  _method_command("open_session", _("&Open Session"), "OpenSession")  _method_command("open_session", _("&Open Session..."), "OpenSession")
747  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
748  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs")
749  _method_command("show_session_tree", _("Show Session &Tree"), "ShowSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
750                  sensitive = _has_tree_window_shown)                  checked = _has_tree_window_shown)
751    _method_command("toggle_legend", _("Legend"), "ToggleLegend",
752                    checked = _has_legend_shown)
753  _method_command("exit", _("E&xit"), "Exit")  _method_command("exit", _("E&xit"), "Exit")
754    
755  # Help menu  # Help menu
756  _method_command("help_about", _("&About"), "About")  _method_command("help_about", _("&About..."), "About")
757    
758    
759  # Map menu  # Map menu
760  _method_command("map_projection", _("Pro&jection"), "Projection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection")
761    
762  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
763                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
# Line 745  _tool_command("map_label_tool", _("&Labe Line 778  _tool_command("map_label_tool", _("&Labe
778  _method_command("map_full_extent", _("&Full extent"), "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
779                 helptext = _("Full Extent"), icon = "fullextent",                 helptext = _("Full Extent"), icon = "fullextent",
780                sensitive = _has_visible_map)                sensitive = _has_visible_map)
781    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
782                   helptext = _("Full Layer Extent"), icon = "fullextent",
783                  sensitive = _has_selected_layer)
784  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
785                  helptext = _("Print the map"))                  helptext = _("Print the map"))
786    _method_command("map_rename", _("&Rename..."), "RenameMap",
787  # Layer menu                  helptext = _("Rename the map"))
788  _method_command("layer_add", _("&Add Layer"), "AddLayer",  _method_command("layer_add", _("&Add Layer..."), "AddLayer",
789                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new layer to active map"))
790  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
791                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer(s)"),
792                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
793  _method_command("layer_fill_color", _("&Fill Color"), "LayerFillColor",  
794                  helptext = _("Set the fill color of selected layer(s)"),  # Layer menu
795                  sensitive = _has_selected_layer)  _method_command("layer_projection", _("Pro&jection..."), "LayerProjection",
 _method_command("layer_transparent_fill", _("&Transparent Fill"),  
                 "LayerTransparentFill",  
                 helptext = _("Do not fill the selected layer(s)"),  
                 sensitive = _has_selected_layer)  
 _method_command("layer_outline_color", _("&Outline Color"), "LayerOutlineColor",  
                 helptext = _("Set the outline color of selected layer(s)"),  
                 sensitive = _has_selected_layer)  
 _method_command("layer_no_outline", _("&No Outline"), "LayerNoOutline",  
                 helptext= _("Do not draw the outline of the selected layer(s)"),  
796                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
797  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
798                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer(s)"),
# Line 782  _method_command("layer_hide", _("&Hide") Line 809  _method_command("layer_hide", _("&Hide")
809  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
810                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
811                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
812  _method_command("layer_classifier", _("Classify"), "Classify",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
813                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
 _method_command("show_legend", _("Show Legend"), "ShowLegend",  
                 sensitive = _has_legend_shown)  
814    
815  # the menu structure  # the menu structure
816  main_menu = Menu("<main>", "<main>",  main_menu = Menu("<main>", "<main>",
817                   [Menu("file", _("&File"),                   [Menu("file", _("&File"),
818                         ["new_session", "open_session", None,                         ["new_session", "open_session", None,
819                          "save_session", "save_session_as", None,                          "save_session", "save_session_as", None,
820                          "show_session_tree", None,                          "toggle_session_tree", None,
                         "show_legend", None,  
821                          "exit"]),                          "exit"]),
822                    Menu("map", _("&Map"),                    Menu("map", _("&Map"),
823                         ["layer_add", "layer_remove",                         ["layer_add", "layer_remove", "map_rename",
824                          None,                          None,
825                          "map_projection",                          "map_projection",
826                          None,                          None,
827                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
828                          "map_pan_tool", "map_identify_tool", "map_label_tool",                          "map_pan_tool", "map_full_extent", "layer_full_extent",
829                            None,
830                            "map_identify_tool", "map_label_tool",
831                          None,                          None,
832                          "map_full_extent",                          "toggle_legend",
833                          None,                          None,
834                          "map_print"]),                          "map_print"]),
835                    Menu("layer", _("&Layer"),                    Menu("layer", _("&Layer"),
836                         ["layer_fill_color", "layer_transparent_fill",                          ["layer_raise", "layer_lower",
                         "layer_outline_color", "layer_no_outline",  
                         None,  
                         "layer_raise", "layer_lower",  
837                          None,                          None,
838                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
839                          None,                          None,
840                          "layer_show_table",                          "layer_show_table",
841                          None,                          None,
842                          "layer_classifier"]),                          "layer_projection",
843                            "layer_properties"]),
844                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
845                         ["help_about"])])                         ["help_about"])])
846    
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