/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 550 by jonathan, Thu Mar 20 09:45:19 2003 UTC revision 759 by jonathan, Tue Apr 29 09:01:35 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    
# Line 38  from context import Context Line 38  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  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
40    
41    from Thuban.UI.dock import DockFrame
42    
43  # the directory where the toolbar icons are stored  import resource
 bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  
 bitmapext = ".xpm"  
44    
45    import projdialog
46    
47  class MainWindow(wxFrame):  
48    
49    class MainWindow(DockFrame):
50    
51      # Some messages that can be subscribed/unsubscribed directly through      # Some messages that can be subscribed/unsubscribed directly through
52      # the MapCanvas come in fact from other objects. This is a map to      # the MapCanvas come in fact from other objects. This is a map to
# Line 62  class MainWindow(wxFrame): Line 64  class MainWindow(wxFrame):
64    
65      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
66                   initial_message = None, size = wxSize(-1, -1)):                   initial_message = None, size = wxSize(-1, -1)):
67          wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)          DockFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
68            #wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
69    
70          self.application = application          self.application = application
71    
# Line 82  class MainWindow(wxFrame): Line 85  class MainWindow(wxFrame):
85          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
86          toolbar.Realize()          toolbar.Realize()
87    
88    
89          # Create the map canvas          # Create the map canvas
90          canvas = view.MapCanvas(self, -1)          canvas = view.MapCanvas(self, -1)
91          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
92          canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)          canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)
93          self.canvas = canvas          self.canvas = canvas
94    
95            self.SetMainWindow(self.canvas)
96    
97            self.SetAutoLayout(True)
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 232  class MainWindow(wxFrame): Line 240  class MainWindow(wxFrame):
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 369  class MainWindow(wxFrame): Line 377  class MainWindow(wxFrame):
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 387  class MainWindow(wxFrame): Line 395  class MainWindow(wxFrame):
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.__SetTitle(map.Title())
404            #self.legendPanel.SetMap(map)
405    
406      def Map(self):      def Map(self):
407          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
408    
409            # sanity check
410            #assert(self.canvas.Map() is self.legendPanel.GetMap())
411    
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 404  class MainWindow(wxFrame): Line 420  class MainWindow(wxFrame):
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 426  class MainWindow(wxFrame): Line 444  class MainWindow(wxFrame):
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 450  class MainWindow(wxFrame): Line 469  class MainWindow(wxFrame):
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 458  class MainWindow(wxFrame): Line 477  class MainWindow(wxFrame):
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 497  class MainWindow(wxFrame): Line 516  class MainWindow(wxFrame):
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 547  class MainWindow(wxFrame): Line 542  class MainWindow(wxFrame):
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 573  class MainWindow(wxFrame): Line 579  class MainWindow(wxFrame):
579          #          #
580    
581          layer = self.current_layer()          layer = self.current_layer()
582          self.OpenClassifier(layer)          self.OpenLayerProperties(layer)
583    
584      def OpenClassifier(self, layer):      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)              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()
593    
594    
595      def ShowLegend(self):      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.get_open_dialog(name)          dialog = self.FindRegisteredDock(name)
603    
604          if dialog is None:          if dialog is None:
605              dialog = legend.Legend(self, name, self.Map())              dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
606              self.add_dialog(name, dialog)              legend.LegendPanel(dialog, None, self)
607                dialog.Dock()
608                dialog.GetPanel().SetMap(self.Map())
609              dialog.Show()              dialog.Show()
610            else:
611                dialog.Show(not dialog.IsShown())
612    
613        def LegendShown(self):
614            """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 616  class MainWindow(wxFrame): Line 637  class MainWindow(wxFrame):
637      def PrintMap(self):      def PrintMap(self):
638          self.canvas.Print()          self.canvas.Print()
639    
640        def RenameMap(self):
641            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
642                                    self.Map().Title())
643            if dlg.ShowModal() == wxID_OK:
644                title = dlg.GetValue()
645                if title != "":
646                    self.Map().SetTitle(title)
647                    self.__SetTitle(title)
648    
649            dlg.Destroy()
650    
651      def identify_view_on_demand(self, layer, shapes):      def identify_view_on_demand(self, layer, shapes):
652          name = "identify_view"          name = "identify_view"
653          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
654              if not self.dialog_open(name):              if not self.dialog_open(name):
655                  dialog = identifyview.IdentifyView(self, name)                  dialog = identifyview.IdentifyView(self, name)
656                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
657                  dialog.Show(true)                  dialog.Show(True)
658              else:              else:
659                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
660                  pass                  pass
661    
662        def __SetTitle(self, title):
663            self.SetTitle("Thuban - " + title)
664    
665  #  #
666  # Define all the commands available in the main window  # Define all the commands available in the main window
667  #  #
# Line 638  def call_method(context, methodname, *ar Line 673  def call_method(context, methodname, *ar
673      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
674    
675  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
676                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
677      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
678      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
679                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
680                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
681    
682  def make_check_current_tool(toolname):  def make_check_current_tool(toolname):
683      """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 672  def _can_remove_layer(context): Line 707  def _can_remove_layer(context):
707    
708  def _has_tree_window_shown(context):  def _has_tree_window_shown(context):
709      """Return true if the tree window is shown"""      """Return true if the tree window is shown"""
710      return context.mainwindow.get_open_dialog("session_tree") is None      return context.mainwindow.SessionTreeShown()
711    
712  def _has_visible_map(context):  def _has_visible_map(context):
713      """Return true iff theres a visible map in the mainwindow.      """Return true iff theres a visible map in the mainwindow.
# Line 687  def _has_visible_map(context): Line 722  def _has_visible_map(context):
722    
723  def _has_legend_shown(context):  def _has_legend_shown(context):
724      """Return true if the legend window is shown"""      """Return true if the legend window is shown"""
725      return context.mainwindow.get_open_dialog("legend") is None      return context.mainwindow.LegendShown()
726    
727    
728  # File menu  # File menu
# Line 695  _method_command("new_session", _("&New S Line 730  _method_command("new_session", _("&New S
730  _method_command("open_session", _("&Open Session"), "OpenSession")  _method_command("open_session", _("&Open Session"), "OpenSession")
731  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
732  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")
733  _method_command("show_session_tree", _("Show Session &Tree"), "ShowSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
734                  sensitive = _has_tree_window_shown)                  checked = _has_tree_window_shown)
735    _method_command("toggle_legend", _("Legend"), "ToggleLegend",
736                    checked = _has_legend_shown)
737  _method_command("exit", _("E&xit"), "Exit")  _method_command("exit", _("E&xit"), "Exit")
738    
739  # Help menu  # Help menu
# Line 704  _method_command("help_about", _("&About" Line 741  _method_command("help_about", _("&About"
741    
742    
743  # Map menu  # Map menu
744  _method_command("map_projection", _("Pro&jection"), "Projection")  _method_command("map_projection", _("Pro&jection"), "MapProjection")
745    
746  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
747                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
# Line 727  _method_command("map_full_extent", _("&F Line 764  _method_command("map_full_extent", _("&F
764                sensitive = _has_visible_map)                sensitive = _has_visible_map)
765  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
766                  helptext = _("Print the map"))                  helptext = _("Print the map"))
767    _method_command("map_rename", _("&Rename"), "RenameMap",
768  # Layer menu                  helptext = _("Rename the map"))
769  _method_command("layer_add", _("&Add Layer"), "AddLayer",  _method_command("layer_add", _("&Add Layer"), "AddLayer",
770                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new layer to active map"))
771  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
772                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer(s)"),
773                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
774  _method_command("layer_fill_color", _("&Fill Color"), "LayerFillColor",  
775                  helptext = _("Set the fill color of selected layer(s)"),  # Layer menu
776                  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)"),  
777                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
778  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
779                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer(s)"),
# Line 762  _method_command("layer_hide", _("&Hide") Line 790  _method_command("layer_hide", _("&Hide")
790  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
791                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
792                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
793  _method_command("layer_classifier", _("Classify"), "Classify",  _method_command("layer_properties", _("Properties"), "LayerEditProperties",
794                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
 _method_command("show_legend", _("Legend"), "ShowLegend",  
                 sensitive = _has_legend_shown)  
795    
796  # the menu structure  # the menu structure
797  main_menu = Menu("<main>", "<main>",  main_menu = Menu("<main>", "<main>",
798                   [Menu("file", _("&File"),                   [Menu("file", _("&File"),
799                         ["new_session", "open_session", None,                         ["new_session", "open_session", None,
800                          "save_session", "save_session_as", None,                          "save_session", "save_session_as", None,
801                          "show_session_tree", None,                          "toggle_session_tree", None,
                         "show_legend", None,  
802                          "exit"]),                          "exit"]),
803                    Menu("map", _("&Map"),                    Menu("map", _("&Map"),
804                         ["layer_add", "layer_remove",                         ["layer_add", "layer_remove",
# Line 785  main_menu = Menu("<main>", "<main>", Line 810  main_menu = Menu("<main>", "<main>",
810                          None,                          None,
811                          "map_full_extent",                          "map_full_extent",
812                          None,                          None,
813                          "map_print"]),                          "toggle_legend",
                   Menu("layer", _("&Layer"),  
                        ["layer_fill_color", "layer_transparent_fill",  
                         "layer_outline_color", "layer_no_outline",  
814                          None,                          None,
815                          "layer_raise", "layer_lower",                          "map_print",
816                            None,
817                            "map_rename"]),
818                      Menu("layer", _("&Layer"),
819                            ["layer_raise", "layer_lower",
820                          None,                          None,
821                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
822                          None,                          None,
823                          "layer_show_table",                          "layer_show_table",
824                          None,                          None,
825                          "layer_classifier"]),                          "layer_properties",
826                            None,
827                            "layer_projection"]),
828                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
829                         ["help_about"])])                         ["help_about"])])
830    
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