/[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 713 by jonathan, Wed Apr 23 08:46:54 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 449  class MainWindow(wxFrame): Line 468  class MainWindow(wxFrame):
468      def CanRemoveLayer(self):      def CanRemoveLayer(self):
469          """Return true if the currently selected layer can be deleted.          """Return true if the currently selected layer can be deleted.
470    
471          If no layer is selected return false.          If no layer is selected return False.
472    
473          The return value of this method determines whether the remove          The return value of this method determines whether the remove
474          layer command is sensitive in menu.          layer command is sensitive in menu.
# Line 457  class MainWindow(wxFrame): Line 476  class MainWindow(wxFrame):
476          layer = self.current_layer()          layer = self.current_layer()
477          if layer is not None:          if layer is not None:
478              return self.canvas.Map().CanRemoveLayer(layer)              return self.canvas.Map().CanRemoveLayer(layer)
479          return 0          return False
480    
481      def RaiseLayer(self):      def RaiseLayer(self):
482          layer = self.current_layer()          layer = self.current_layer()
# Line 496  class MainWindow(wxFrame): Line 515  class MainWindow(wxFrame):
515          dlg.Destroy()          dlg.Destroy()
516          return color          return color
517    
     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)  
   
518      def HideLayer(self):      def HideLayer(self):
519          layer = self.current_layer()          layer = self.current_layer()
520          if layer is not None:          if layer is not None:
# Line 547  class MainWindow(wxFrame): Line 542  class MainWindow(wxFrame):
542                  pass                  pass
543    
544      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()  
545    
546      def Classify(self):          name = "projection"
547            dialog = self.get_open_dialog(name)
548    
549            if dialog is None:
550                map = self.canvas.Map()
551                dialog = projdialog.ProjFrame(self, name, map)
552                self.add_dialog(name, dialog)
553                dialog.Show()
554            dialog.Raise()
555    
556        def LayerEditProperties(self):
557    
558          #          #
559          # 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 562  class MainWindow(wxFrame):
562          #          #
563    
564          layer = self.current_layer()          layer = self.current_layer()
565          name = "classifier" + str(id(layer))          self.OpenLayerProperties(layer)
566    
567        def OpenLayerProperties(self, layer, group = None):
568            name = "layer_properties" + str(id(layer))
569          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
570    
571          if dialog is None:          if dialog is None:
572              dialog = classifier.Classifier(self, name, self.current_layer())              dialog = Classifier(self, name, layer, group)
573              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
574              dialog.Show()              dialog.Show()
575            dialog.Raise()
576    
577    
578        def ShowLegend(self):
579            if not self.LegendShown():
580                self.ToggleLegend()
581    
582        def ToggleLegend(self):
583            """Show the legend if it's not shown otherwise hide it again"""
584            name = "legend"
585            dialog = self.FindRegisteredDock(name)
586    
587            if dialog is None:
588                dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
589                legend.LegendPanel(dialog, None, self)
590                dialog.Dock()
591                dialog.GetPanel().SetMap(self.Map())
592                dialog.Show()
593            else:
594                dialog.Show(not dialog.IsShown())
595    
596        def LegendShown(self):
597            """Return true iff the legend is currently open"""
598            dialog = self.FindRegisteredDock("legend")
599            return dialog is not None and dialog.IsShown()
600    
601      def ZoomInTool(self):      def ZoomInTool(self):
602          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
# Line 602  class MainWindow(wxFrame): Line 620  class MainWindow(wxFrame):
620      def PrintMap(self):      def PrintMap(self):
621          self.canvas.Print()          self.canvas.Print()
622    
623        def RenameMap(self):
624            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
625                                    self.Map().Title())
626            if dlg.ShowModal() == wxID_OK:
627                title = dlg.GetValue()
628                if title != "":
629                    self.Map().SetTitle(title)
630                    self.__SetTitle(title)
631    
632            dlg.Destroy()
633    
634      def identify_view_on_demand(self, layer, shapes):      def identify_view_on_demand(self, layer, shapes):
635          name = "identify_view"          name = "identify_view"
636          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
637              if not self.dialog_open(name):              if not self.dialog_open(name):
638                  dialog = identifyview.IdentifyView(self, name)                  dialog = identifyview.IdentifyView(self, name)
639                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
640                  dialog.Show(true)                  dialog.Show(True)
641              else:              else:
642                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
643                  pass                  pass
644    
645        def __SetTitle(self, title):
646            self.SetTitle("Thuban - " + title)
647    
648  #  #
649  # Define all the commands available in the main window  # Define all the commands available in the main window
650  #  #
# Line 624  def call_method(context, methodname, *ar Line 656  def call_method(context, methodname, *ar
656      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
657    
658  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
659                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
660      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
661      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
662                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
663                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
664    
665  def make_check_current_tool(toolname):  def make_check_current_tool(toolname):
666      """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 690  def _can_remove_layer(context):
690    
691  def _has_tree_window_shown(context):  def _has_tree_window_shown(context):
692      """Return true if the tree window is shown"""      """Return true if the tree window is shown"""
693      return context.mainwindow.get_open_dialog("session_tree") is None      return context.mainwindow.SessionTreeShown()
694    
695  def _has_visible_map(context):  def _has_visible_map(context):
696      """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 703  def _has_visible_map(context):
703                  return 1                  return 1
704      return 0      return 0
705    
706    def _has_legend_shown(context):
707        """Return true if the legend window is shown"""
708        return context.mainwindow.LegendShown()
709    
710    
711  # File menu  # File menu
712  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
713  _method_command("open_session", _("&Open Session"), "OpenSession")  _method_command("open_session", _("&Open Session"), "OpenSession")
714  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
715  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")
716  _method_command("show_session_tree", _("Show Session &Tree"), "ShowSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
717                  sensitive = _has_tree_window_shown)                  checked = _has_tree_window_shown)
718    _method_command("toggle_legend", _("Legend"), "ToggleLegend",
719                    checked = _has_legend_shown)
720  _method_command("exit", _("E&xit"), "Exit")  _method_command("exit", _("E&xit"), "Exit")
721    
722  # Help menu  # Help menu
# Line 709  _method_command("map_full_extent", _("&F Line 747  _method_command("map_full_extent", _("&F
747                sensitive = _has_visible_map)                sensitive = _has_visible_map)
748  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
749                  helptext = _("Print the map"))                  helptext = _("Print the map"))
750    _method_command("map_rename", _("&Rename"), "RenameMap",
751                    helptext = _("Rename the map"))
752    
753  # Layer menu  # Layer menu
754  _method_command("layer_add", _("&Add Layer"), "AddLayer",  _method_command("layer_add", _("&Add Layer"), "AddLayer",
# Line 716  _method_command("layer_add", _("&Add Lay Line 756  _method_command("layer_add", _("&Add Lay
756  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
757                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer(s)"),
758                  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)  
759  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
760                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer(s)"),
761                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
# Line 744  _method_command("layer_hide", _("&Hide") Line 771  _method_command("layer_hide", _("&Hide")
771  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
772                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
773                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
774    _method_command("layer_properties", _("Properties"), "LayerEditProperties",
 _method_command("layer_classifier", _("Classify"), "Classify",  
775                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
776    
777  # the menu structure  # the menu structure
# Line 753  main_menu = Menu("<main>", "<main>", Line 779  main_menu = Menu("<main>", "<main>",
779                   [Menu("file", _("&File"),                   [Menu("file", _("&File"),
780                         ["new_session", "open_session", None,                         ["new_session", "open_session", None,
781                          "save_session", "save_session_as", None,                          "save_session", "save_session_as", None,
782                          "show_session_tree", None,                          "toggle_session_tree", None,
783                          "exit"]),                          "exit"]),
784                    Menu("map", _("&Map"),                    Menu("map", _("&Map"),
785                         ["layer_add", "layer_remove",                         ["layer_add", "layer_remove",
# Line 765  main_menu = Menu("<main>", "<main>", Line 791  main_menu = Menu("<main>", "<main>",
791                          None,                          None,
792                          "map_full_extent",                          "map_full_extent",
793                          None,                          None,
794                          "map_print"]),                          "toggle_legend",
795                    Menu("layer", _("&Layer"),                          None,
796                         ["layer_fill_color", "layer_transparent_fill",                          "map_print",
                         "layer_outline_color", "layer_no_outline",  
797                          None,                          None,
798                          "layer_raise", "layer_lower",                          "map_rename"]),
799                      Menu("layer", _("&Layer"),
800                            ["layer_raise", "layer_lower",
801                          None,                          None,
802                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
803                          None,                          None,
804                          "layer_show_table",                          "layer_show_table",
805                          None,                          None,
806                          "layer_classifier"]),                          "layer_properties"]),
807                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
808                         ["help_about"])])                         ["help_about"])])
809    
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