/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 723 by bh, Thu Apr 24 15:31:53 2003 UTC revision 937 by jonathan, Tue May 20 15:24:51 2003 UTC
# Line 2  Line 2 
2  # Authors:  # Authors:
3  # Jan-Oliver Wagner <[email protected]>  # Jan-Oliver Wagner <[email protected]>
4  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
5    # Frank Koormann <[email protected]>
6  #  #
7  # This program is free software under the GPL (>=v2)  # This program is free software under the GPL (>=v2)
8  # Read the file COPYING coming with Thuban for details.  # Read the file COPYING coming with Thuban for details.
# Line 18  __ThubanVersion__ = "0.2" #"$THUBAN_0_2$ Line 19  __ThubanVersion__ = "0.2" #"$THUBAN_0_2$
19  import os  import os
20    
21  from wxPython.wx import *  from wxPython.wx import *
22    from wxPython.wx import __version__ as wxPython_version
23    
24  import Thuban  import Thuban
25    import Thuban.version
26    
27  from Thuban import _  from Thuban import _
28  from Thuban.Model.session import create_empty_session  from Thuban.Model.session import create_empty_session
29  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer, RasterLayer
30  from Thuban.Model.color import Color  from Thuban.Model.color import Color
31  from Thuban.Model.proj import Projection  from Thuban.Model.proj import Projection
32    
# Line 39  from command import registry, Command, T Line 43  from command import registry, Command, T
43  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
44    
45  from Thuban.UI.dock import DockFrame  from Thuban.UI.dock import DockFrame
46    from Thuban.UI.join import JoinDialog
47    
48  import resource  import resource
49    
# Line 60  class MainWindow(DockFrame): Line 65  class MainWindow(DockFrame):
65      # implemented in the __getattr__ method.      # implemented in the __getattr__ method.
66      delegated_methods = {"SelectLayer": "canvas",      delegated_methods = {"SelectLayer": "canvas",
67                           "SelectShapes": "canvas",                           "SelectShapes": "canvas",
68                             "SelectedShapes": "canvas",
69                           }                           }
70    
71      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
# Line 357  class MainWindow(DockFrame): Line 363  class MainWindow(DockFrame):
363                  d.Close()                  d.Close()
364    
365      def NewSession(self):      def NewSession(self):
366          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
367          self.prepare_new_session()              self.prepare_new_session()
368          self.application.SetSession(create_empty_session())              self.application.SetSession(create_empty_session())
369    
370      def OpenSession(self):      def OpenSession(self):
371          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
372          dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)              dlg = wxFileDialog(self, _("Open Session"), ".", "",
373          if dlg.ShowModal() == wxID_OK:                                 "Thuban Session File (*.thuban)|*.thuban",
374              self.prepare_new_session()                                 wxOPEN)
375              self.application.OpenSession(dlg.GetPath())              if dlg.ShowModal() == wxID_OK:
376          dlg.Destroy()                  self.prepare_new_session()
377                    self.application.OpenSession(dlg.GetPath())
378                dlg.Destroy()
379    
380      def SaveSession(self):      def SaveSession(self):
381          if self.application.session.filename == None:          if self.application.session.filename == None:
# Line 377  class MainWindow(DockFrame): Line 385  class MainWindow(DockFrame):
385    
386      def SaveSessionAs(self):      def SaveSessionAs(self):
387          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
388                             "*.thuban", wxOPEN)                             "Thuban Session File (*.thuban)|*.thuban",
389                               wxSAVE|wxOVERWRITE_PROMPT)
390          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
391              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
392              self.application.SaveSession()              self.application.SaveSession()
# Line 401  class MainWindow(DockFrame): Line 410  class MainWindow(DockFrame):
410      def SetMap(self, map):      def SetMap(self, map):
411          self.canvas.SetMap(map)          self.canvas.SetMap(map)
412          self.__SetTitle(map.Title())          self.__SetTitle(map.Title())
413          #self.legendPanel.SetMap(map)  
414            dialog = self.FindRegisteredDock("legend")
415            if dialog is not None:
416                dialog.GetPanel().SetMap(self.Map())
417    
418      def Map(self):      def Map(self):
419          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
420    
         # sanity check  
         #assert(self.canvas.Map() is self.legendPanel.GetMap())  
   
421          return self.canvas.Map()          return self.canvas.Map()
422    
423      def ToggleSessionTree(self):      def ToggleSessionTree(self):
# Line 428  class MainWindow(DockFrame): Line 437  class MainWindow(DockFrame):
437    
438      def About(self):      def About(self):
439          self.RunMessageBox(_("About"),          self.RunMessageBox(_("About"),
440                             _("Thuban v%s\n"                             _("Thuban %s\n"
441                              #"Build Date: %s\n"                              #"Build Date: %s\n"
442                              "\n"                              "using:\n"
443                                "  %s\n"
444                                "  %s\n\n"
445                              "Thuban is a program for\n"                              "Thuban is a program for\n"
446                              "exploring geographic data.\n"                              "exploring geographic data.\n"
447                              "Copyright (C) 2001-2003 Intevation GmbH.\n"                              "Copyright (C) 2001-2003 Intevation GmbH.\n"
448                              "Thuban is licensed under the GNU GPL"                              "Thuban is licensed under the GNU GPL"
449                             % __ThubanVersion__), #__BuildDate__)),                              % (Thuban.version.longversion,
450                                   "wxPython %s" % wxPython_version,
451                                   "Python %d.%d.%d" % sys.version_info[:3]
452                                  )),
453    #                           % __ThubanVersion__), #__BuildDate__)),
454                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
455    
456      def AddLayer(self):      def AddLayer(self):
# Line 461  class MainWindow(DockFrame): Line 476  class MainWindow(DockFrame):
476                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
477          dlg.Destroy()          dlg.Destroy()
478    
479        def AddRasterLayer(self):
480            dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",
481                               wxOPEN)
482            if dlg.ShowModal() == wxID_OK:
483                filename = dlg.GetPath()
484                title = os.path.splitext(os.path.basename(filename))[0]
485                layer = RasterLayer(title, filename)
486                map = self.canvas.Map()
487                has_layers = map.HasLayers()
488                try:
489                    map.AddLayer(layer)
490                except IOError:
491                    # the layer couldn't be opened
492                    self.RunMessageBox(_("Add Image Layer"),
493                                       _("Can't open the file '%s'.") % filename)
494                else:
495                    if not has_layers:
496                        # if we're adding a layer to an empty map, fit the
497                        # new map to the window
498                        self.canvas.FitMapToWindow()
499            dlg.Destroy()
500    
501      def RemoveLayer(self):      def RemoveLayer(self):
502          layer = self.current_layer()          layer = self.current_layer()
503          if layer is not None:          if layer is not None:
# Line 500  class MainWindow(DockFrame): Line 537  class MainWindow(DockFrame):
537          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
538          return self.canvas.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
539    
540      def choose_color(self):      def has_selected_shapes(self):
541          """Run the color selection dialog and return the selected color.          """Return true if a shape is currently selected"""
542            return self.canvas.HasSelectedShapes()
         If the user cancels, return None.  
         """  
         dlg = wxColourDialog(self)  
         color = None  
         if dlg.ShowModal() == wxID_OK:  
             data = dlg.GetColourData()  
             wxc = data.GetColour()  
             color = Color(wxc.Red() / 255.0,  
                           wxc.Green() / 255.0,  
                           wxc.Blue() / 255.0)  
         dlg.Destroy()  
         return color  
543    
544      def HideLayer(self):      def HideLayer(self):
545          layer = self.current_layer()          layer = self.current_layer()
# Line 542  class MainWindow(DockFrame): Line 567  class MainWindow(DockFrame):
567                  # FIXME: bring dialog to front here                  # FIXME: bring dialog to front here
568                  pass                  pass
569    
570      def Projection(self):      def MapProjection(self):
571    
572          name = "projection"          name = "map_projection"
573          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
574    
575          if dialog is None:          if dialog is None:
576              map = self.canvas.Map()              map = self.canvas.Map()
577              dialog = projdialog.ProjFrame(self, name, map)              dialog = projdialog.ProjFrame(self, name,
578                         _("Map Projection: %s") % map.Title(), map)
579                self.add_dialog(name, dialog)
580                dialog.Show()
581            dialog.Raise()
582    
583        def LayerProjection(self):
584    
585            layer = self.current_layer()
586    
587            name = "layer_projection" + str(id(layer))
588            dialog = self.get_open_dialog(name)
589    
590            if dialog is None:
591                map = self.canvas.Map()
592                dialog = projdialog.ProjFrame(self, name,
593                         _("Layer Projection: %s") % layer.Title(), layer)
594              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
595              dialog.Show()              dialog.Show()
596          dialog.Raise()          dialog.Raise()
# Line 575  class MainWindow(DockFrame): Line 616  class MainWindow(DockFrame):
616              dialog.Show()              dialog.Show()
617          dialog.Raise()          dialog.Raise()
618    
619        def LayerJoinTable(self):
620            print "LayerJoinTable"
621    
622        def LayerUnjoinTable(self):
623            print "LayerUnjoinTable"
624    
625      def ShowLegend(self):      def ShowLegend(self):
626          if not self.LegendShown():          if not self.LegendShown():
# Line 599  class MainWindow(DockFrame): Line 645  class MainWindow(DockFrame):
645          dialog = self.FindRegisteredDock("legend")          dialog = self.FindRegisteredDock("legend")
646          return dialog is not None and dialog.IsShown()          return dialog is not None and dialog.IsShown()
647    
648        def TableOpen(self):
649            print "TableOpen"
650            dlg = wxFileDialog(self, _("Open Table"), ".", "",
651                               "DBF Files (*.dbf)|*.dbf|" +
652                               "CSV Files (*.csv)|*.csv|" +
653                               "All Files (*.*)|*.*",
654                               wxOPEN)
655            if dlg.ShowModal() == wxID_OK:
656                #self.application.session.OpenTable(dlg.GetPath())
657                pass
658    
659            dlg.Destroy()
660    
661        def TableClose(self):
662            print "TableClose"
663    
664        def TableShow(self):
665            print "TableShow"
666    
667        def TableHide(self):
668            print "TableHide"
669    
670        def TableJoin(self):
671            print "TableJoin"
672            dlg = JoinDialog(self, _("Join Tables"), self.application.session)
673            if dlg.ShowModal() == wxID_OK:
674                print "OK"
675    
676      def ZoomInTool(self):      def ZoomInTool(self):
677          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
678    
# Line 618  class MainWindow(DockFrame): Line 692  class MainWindow(DockFrame):
692      def FullExtent(self):      def FullExtent(self):
693          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
694    
695        def FullLayerExtent(self):
696            self.canvas.FitLayerToWindow(self.current_layer())
697    
698        def FullSelectionExtent(self):
699            self.canvas.FitSelectedToWindow()
700    
701        def ExportMap(self):
702            self.canvas.Export()
703    
704      def PrintMap(self):      def PrintMap(self):
705          self.canvas.Print()          self.canvas.Print()
706    
# Line 633  class MainWindow(DockFrame): Line 716  class MainWindow(DockFrame):
716          dlg.Destroy()          dlg.Destroy()
717    
718      def identify_view_on_demand(self, layer, shapes):      def identify_view_on_demand(self, layer, shapes):
719            """Subscribed to the canvas' SHAPES_SELECTED message
720    
721            If the current tool is the identify tool, at least one shape is
722            selected and the identify dialog is not shown, show the dialog.
723            """
724            # If the selection has become empty we don't need to do
725            # anything. Otherwise it could happen that the dialog was popped
726            # up when the selection became empty, e.g. when a new selection
727            # is opened while the identify tool is active and dialog had
728            # been closed
729            if not shapes:
730                return
731    
732          name = "identify_view"          name = "identify_view"
733          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
734              if not self.dialog_open(name):              if not self.dialog_open(name):
# Line 686  def _has_selected_layer(context): Line 782  def _has_selected_layer(context):
782      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
783      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
784    
785    def _has_selected_shapes(context):
786        """Return true if a layer is selected in the context"""
787        return context.mainwindow.has_selected_shapes()
788    
789  def _can_remove_layer(context):  def _can_remove_layer(context):
790      return context.mainwindow.CanRemoveLayer()      return context.mainwindow.CanRemoveLayer()
791    
# Line 711  def _has_legend_shown(context): Line 811  def _has_legend_shown(context):
811    
812  # File menu  # File menu
813  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
814  _method_command("open_session", _("&Open Session"), "OpenSession")  _method_command("open_session", _("&Open Session..."), "OpenSession")
815  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
816  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs")
817  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
818                  checked = _has_tree_window_shown)                  checked = _has_tree_window_shown)
819  _method_command("toggle_legend", _("Legend"), "ToggleLegend",  _method_command("toggle_legend", _("Legend"), "ToggleLegend",
# Line 721  _method_command("toggle_legend", _("Lege Line 821  _method_command("toggle_legend", _("Lege
821  _method_command("exit", _("E&xit"), "Exit")  _method_command("exit", _("E&xit"), "Exit")
822    
823  # Help menu  # Help menu
824  _method_command("help_about", _("&About"), "About")  _method_command("help_about", _("&About..."), "About")
825    
826    
827  # Map menu  # Map menu
828  _method_command("map_projection", _("Pro&jection"), "Projection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection")
829    
830  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
831                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
# Line 746  _tool_command("map_label_tool", _("&Labe Line 846  _tool_command("map_label_tool", _("&Labe
846  _method_command("map_full_extent", _("&Full extent"), "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
847                 helptext = _("Full Extent"), icon = "fullextent",                 helptext = _("Full Extent"), icon = "fullextent",
848                sensitive = _has_visible_map)                sensitive = _has_visible_map)
849    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
850                   helptext = _("Full Layer Extent"), icon = "fulllayerextent",
851                  sensitive = _has_selected_layer)
852    _method_command("selected_full_extent", _("&Full selection extent"), "FullSelectionExtent",
853                   helptext = _("Full Selection Extent"), icon = "fullselextent",
854                  sensitive = _has_selected_shapes)
855    _method_command("map_export", _("E&xport"), "ExportMap",
856                        helptext = _("Export the map to file"))
857  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
858                  helptext = _("Print the map"))                  helptext = _("Print the map"))
859  _method_command("map_rename", _("&Rename"), "RenameMap",  _method_command("map_rename", _("&Rename..."), "RenameMap",
860                  helptext = _("Rename the map"))                  helptext = _("Rename the map"))
861    _method_command("layer_add", _("&Add Layer..."), "AddLayer",
 # Layer menu  
 _method_command("layer_add", _("&Add Layer"), "AddLayer",  
862                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new layer to active map"))
863    _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
864                    helptext = _("Add a new image layer to active map"))
865  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
866                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer(s)"),
867                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
868    
869    # Layer menu
870    _method_command("layer_projection", _("Pro&jection..."), "LayerProjection",
871                    sensitive = _has_selected_layer)
872  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
873                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer(s)"),
874                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
# Line 772  _method_command("layer_hide", _("&Hide") Line 884  _method_command("layer_hide", _("&Hide")
884  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
885                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
886                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
887  _method_command("layer_properties", _("Properties"), "LayerEditProperties",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
888                    sensitive = _has_selected_layer)
889    _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
890                    sensitive = _has_selected_layer)
891    _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
892                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
893    
894  # the menu structure  # Table menu
895  main_menu = Menu("<main>", "<main>",  _method_command("table_open", _("&Open..."), "TableOpen")
896                   [Menu("file", _("&File"),  _method_command("table_close", _("&Close"), "TableClose")
897                         ["new_session", "open_session", None,  _method_command("table_show", _("&Show"), "TableShow")
898                          "save_session", "save_session_as", None,  _method_command("table_hide", _("&Hide"), "TableHide")
899                          "toggle_session_tree", None,  _method_command("table_join", _("&Join..."), "TableJoin")
900                          "exit"]),  
901                    Menu("map", _("&Map"),  #  Export only under Windows ...
902                         ["layer_add", "layer_remove",  map_menu = ["layer_add", "rasterlayer_add", "layer_remove", "map_rename",
903                          None,                          None,
904                          "map_projection",                          "map_projection",
905                          None,                          None,
906                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
907                          "map_pan_tool", "map_identify_tool", "map_label_tool",                          "map_pan_tool",
908                            "map_full_extent",
909                            "layer_full_extent",
910                            "selected_full_extent",
911                          None,                          None,
912                          "map_full_extent",                          "map_identify_tool", "map_label_tool",
913                          None,                          None,
914                          "toggle_legend",                          "toggle_legend",
915                          None,                          None]
916                          "map_print",  if wxPlatform == '__WXMSW__':
917                          None,      map_menu.append("map_export")
918                          "map_rename"]),  map_menu.append("map_print")
919    
920    # the menu structure
921    main_menu = Menu("<main>", "<main>",
922                     [Menu("file", _("&File"),
923                           ["new_session", "open_session", None,
924                            "save_session", "save_session_as", None,
925                            "toggle_session_tree", None,
926                            "exit"]),
927                      Menu("map", _("&Map"), map_menu),
928                    Menu("layer", _("&Layer"),                    Menu("layer", _("&Layer"),
929                          ["layer_raise", "layer_lower",                          ["layer_raise", "layer_lower",
930                          None,                          None,
931                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
932                          None,                          None,
933                            "layer_projection",
934                            None,
935                          "layer_show_table",                          "layer_show_table",
936                            "layer_jointable",
937                            "layer_unjointable",
938                          None,                          None,
939                          "layer_properties"]),                          "layer_properties"]),
940                      Menu("table", _("&Table"),
941                           ["table_open", "table_close",
942                           None,
943                           "table_show", "table_hide",
944                           None,
945                           "table_join"]),
946                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
947                         ["help_about"])])                         ["help_about"])])
948    
# Line 812  main_menu = Menu("<main>", "<main>", Line 950  main_menu = Menu("<main>", "<main>",
950    
951  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
952                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
953                       "map_full_extent", None,                       "map_full_extent",
954                         "layer_full_extent",
955                         "selected_full_extent",
956                         None,
957                       "map_identify_tool", "map_label_tool"])                       "map_identify_tool", "map_label_tool"])
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