/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 535 by bh, Fri Mar 14 20:42:18 2003 UTC revision 723 by bh, Thu Apr 24 15:31:53 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
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  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 61  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 81  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 231  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 375  class MainWindow(wxFrame): Line 384  class MainWindow(wxFrame):
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 386  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 403  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 425  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 449  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 457  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 496  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 543  class MainWindow(wxFrame):
543                  pass                  pass
544    
545      def Projection(self):      def Projection(self):
         map = self.canvas.Map()  
         proj = map.projection  
         if proj is None:  
             proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())  
         else:  
             proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,  
                                                map.BoundingBox())  
         if proj4Dlg.ShowModal() == wxID_OK:  
             params = proj4Dlg.GetParams()  
             if params is not None:  
                 proj = Projection(params)  
             else:  
                 proj = None  
             map.SetProjection(proj)  
         proj4Dlg.Destroy()  
546    
547      def Classify(self):          name = "projection"
548            dialog = self.get_open_dialog(name)
549    
550            if dialog is None:
551                map = self.canvas.Map()
552                dialog = projdialog.ProjFrame(self, name, map)
553                self.add_dialog(name, dialog)
554                dialog.Show()
555            dialog.Raise()
556    
557        def LayerEditProperties(self):
558    
559          #          #
560          # the menu option for this should only be available if there          # the menu option for this should only be available if there
# Line 572  class MainWindow(wxFrame): Line 563  class MainWindow(wxFrame):
563          #          #
564    
565          layer = self.current_layer()          layer = self.current_layer()
566          name = "classifier" + str(id(layer))          self.OpenLayerProperties(layer)
567    
568        def OpenLayerProperties(self, layer, group = None):
569            name = "layer_properties" + str(id(layer))
570          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
571    
572          if dialog is None:          if dialog is None:
573              dialog = classifier.Classifier(self, name, self.current_layer())              dialog = Classifier(self, name, layer, group)
574              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
575              dialog.Show()              dialog.Show()
576            dialog.Raise()
577    
578    
579        def ShowLegend(self):
580            if not self.LegendShown():
581                self.ToggleLegend()
582    
583        def ToggleLegend(self):
584            """Show the legend if it's not shown otherwise hide it again"""
585            name = "legend"
586            dialog = self.FindRegisteredDock(name)
587    
588            if dialog is None:
589                dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
590                legend.LegendPanel(dialog, None, self)
591                dialog.Dock()
592                dialog.GetPanel().SetMap(self.Map())
593                dialog.Show()
594            else:
595                dialog.Show(not dialog.IsShown())
596    
597        def LegendShown(self):
598            """Return true iff the legend is currently open"""
599            dialog = self.FindRegisteredDock("legend")
600            return dialog is not None and dialog.IsShown()
601    
602      def ZoomInTool(self):      def ZoomInTool(self):
603          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
# Line 602  class MainWindow(wxFrame): Line 621  class MainWindow(wxFrame):
621      def PrintMap(self):      def PrintMap(self):
622          self.canvas.Print()          self.canvas.Print()
623    
624        def RenameMap(self):
625            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
626                                    self.Map().Title())
627            if dlg.ShowModal() == wxID_OK:
628                title = dlg.GetValue()
629                if title != "":
630                    self.Map().SetTitle(title)
631                    self.__SetTitle(title)
632    
633            dlg.Destroy()
634    
635      def identify_view_on_demand(self, layer, shapes):      def identify_view_on_demand(self, layer, shapes):
636          name = "identify_view"          name = "identify_view"
637          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
638              if not self.dialog_open(name):              if not self.dialog_open(name):
639                  dialog = identifyview.IdentifyView(self, name)                  dialog = identifyview.IdentifyView(self, name)
640                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
641                  dialog.Show(true)                  dialog.Show(True)
642              else:              else:
643                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
644                  pass                  pass
645    
646        def __SetTitle(self, title):
647            self.SetTitle("Thuban - " + title)
648    
649  #  #
650  # Define all the commands available in the main window  # Define all the commands available in the main window
651  #  #
# Line 624  def call_method(context, methodname, *ar Line 657  def call_method(context, methodname, *ar
657      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
658    
659  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
660                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
661      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
662      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
663                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
664                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
665    
666  def make_check_current_tool(toolname):  def make_check_current_tool(toolname):
667      """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 658  def _can_remove_layer(context): Line 691  def _can_remove_layer(context):
691    
692  def _has_tree_window_shown(context):  def _has_tree_window_shown(context):
693      """Return true if the tree window is shown"""      """Return true if the tree window is shown"""
694      return context.mainwindow.get_open_dialog("session_tree") is None      return context.mainwindow.SessionTreeShown()
695    
696  def _has_visible_map(context):  def _has_visible_map(context):
697      """Return true iff theres a visible map in the mainwindow.      """Return true iff theres a visible map in the mainwindow.
# Line 671  def _has_visible_map(context): Line 704  def _has_visible_map(context):
704                  return 1                  return 1
705      return 0      return 0
706    
707    def _has_legend_shown(context):
708        """Return true if the legend window is shown"""
709        return context.mainwindow.LegendShown()
710    
711    
712  # File menu  # File menu
713  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
714  _method_command("open_session", _("&Open Session"), "OpenSession")  _method_command("open_session", _("&Open Session"), "OpenSession")
715  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
716  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")
717  _method_command("show_session_tree", _("Show Session &Tree"), "ShowSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
718                  sensitive = _has_tree_window_shown)                  checked = _has_tree_window_shown)
719    _method_command("toggle_legend", _("Legend"), "ToggleLegend",
720                    checked = _has_legend_shown)
721  _method_command("exit", _("E&xit"), "Exit")  _method_command("exit", _("E&xit"), "Exit")
722    
723  # Help menu  # Help menu
# Line 709  _method_command("map_full_extent", _("&F Line 748  _method_command("map_full_extent", _("&F
748                sensitive = _has_visible_map)                sensitive = _has_visible_map)
749  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
750                  helptext = _("Print the map"))                  helptext = _("Print the map"))
751    _method_command("map_rename", _("&Rename"), "RenameMap",
752                    helptext = _("Rename the map"))
753    
754  # Layer menu  # Layer menu
755  _method_command("layer_add", _("&Add Layer"), "AddLayer",  _method_command("layer_add", _("&Add Layer"), "AddLayer",
# Line 716  _method_command("layer_add", _("&Add Lay Line 757  _method_command("layer_add", _("&Add Lay
757  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
758                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer(s)"),
759                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
 _method_command("layer_fill_color", _("&Fill Color"), "LayerFillColor",  
                 helptext = _("Set the fill color of selected layer(s)"),  
                 sensitive = _has_selected_layer)  
 _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)"),  
                 sensitive = _has_selected_layer)  
760  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
761                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer(s)"),
762                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
# Line 744  _method_command("layer_hide", _("&Hide") Line 772  _method_command("layer_hide", _("&Hide")
772  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
773                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
774                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
775    _method_command("layer_properties", _("Properties"), "LayerEditProperties",
 _method_command("layer_classifier", _("Classify"), "Classify",  
776                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
777    
778  # the menu structure  # the menu structure
# Line 753  main_menu = Menu("<main>", "<main>", Line 780  main_menu = Menu("<main>", "<main>",
780                   [Menu("file", _("&File"),                   [Menu("file", _("&File"),
781                         ["new_session", "open_session", None,                         ["new_session", "open_session", None,
782                          "save_session", "save_session_as", None,                          "save_session", "save_session_as", None,
783                          "show_session_tree", None,                          "toggle_session_tree", None,
784                          "exit"]),                          "exit"]),
785                    Menu("map", _("&Map"),                    Menu("map", _("&Map"),
786                         ["layer_add", "layer_remove",                         ["layer_add", "layer_remove",
# Line 765  main_menu = Menu("<main>", "<main>", Line 792  main_menu = Menu("<main>", "<main>",
792                          None,                          None,
793                          "map_full_extent",                          "map_full_extent",
794                          None,                          None,
795                          "map_print"]),                          "toggle_legend",
796                    Menu("layer", _("&Layer"),                          None,
797                         ["layer_fill_color", "layer_transparent_fill",                          "map_print",
                         "layer_outline_color", "layer_no_outline",  
798                          None,                          None,
799                          "layer_raise", "layer_lower",                          "map_rename"]),
800                      Menu("layer", _("&Layer"),
801                            ["layer_raise", "layer_lower",
802                          None,                          None,
803                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
804                          None,                          None,
805                          "layer_show_table",                          "layer_show_table",
806                          None,                          None,
807                          "layer_classifier"]),                          "layer_properties"]),
808                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
809                         ["help_about"])])                         ["help_about"])])
810    
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