/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 512 by jonathan, Tue Mar 11 16:32:39 2003 UTC revision 1037 by bh, Mon May 26 17:30:43 2003 UTC
# Line 1  Line 1 
1  # Copyright (C) 2001, 2002 by Intevation GmbH  # Copyright (C) 2001, 2002, 2003 by Intevation GmbH
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 12  The main window Line 13  The main window
13    
14  __version__ = "$Revision$"  __version__ = "$Revision$"
15    
16    __ThubanVersion__ = "0.2" #"$THUBAN_0_2$"
17    #__BuildDate__ = "$Date$"
18    
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    from wxPython.lib.dialogs import wxMultipleChoiceDialog
25    
26  import Thuban  import Thuban
27    import Thuban.version
28    
29  from Thuban import _  from Thuban import _
30  from Thuban.Model.session import create_empty_session  from Thuban.Model.session import create_empty_session
31  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer, RasterLayer
32  from Thuban.Model.color import Color  from Thuban.Model.color import Color
33  from Thuban.Model.proj import Projection  from Thuban.Model.proj import Projection
34    
# Line 27  import view Line 36  import view
36  import tree  import tree
37  import proj4dialog  import proj4dialog
38  import tableview, identifyview  import tableview, identifyview
39  import classifier  from Thuban.UI.classifier import Classifier
40    import legend
41  from menu import Menu  from menu import Menu
42    
43  from context import Context  from context import Context
44  from command import registry, Command, ToolCommand  from command import registry, Command, ToolCommand
45  from messages import SELECTED_SHAPE, VIEW_POSITION  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
46    
47    from Thuban.UI.dock import DockFrame
48    from Thuban.UI.join import JoinDialog
49    
50    import resource
51    
52    import projdialog
53    
 # the directory where the toolbar icons are stored  
 bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  
 bitmapext = ".xpm"  
54    
55    
56  class MainWindow(wxFrame):  class MainWindow(DockFrame):
57    
58        # Some messages that can be subscribed/unsubscribed directly through
59        # the MapCanvas come in fact from other objects. This is a map to
60        # map those messages to the names of the instance variables they
61        # actually come from. This delegation is implemented in the
62        # Subscribe and unsubscribed methods
63        delegated_messages = {LAYER_SELECTED: "canvas",
64                              SHAPES_SELECTED: "canvas"}
65    
66        # Methods delegated to some instance variables. The delegation is
67        # implemented in the __getattr__ method.
68        delegated_methods = {"SelectLayer": "canvas",
69                             "SelectShapes": "canvas",
70                             "SelectedShapes": "canvas",
71                             }
72    
73      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
74                   initial_message = None, size = wxSize(-1, -1)):                   initial_message = None, size = wxSize(-1, -1)):
75          wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)          DockFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
76            #wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
77    
78          self.application = application          self.application = application
         self.interactor = interactor  
79    
80          self.CreateStatusBar()          self.CreateStatusBar()
81          if initial_message:          if initial_message:
# Line 65  class MainWindow(wxFrame): Line 93  class MainWindow(wxFrame):
93          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
94          toolbar.Realize()          toolbar.Realize()
95    
96    
97          # Create the map canvas          # Create the map canvas
98          canvas = view.MapCanvas(self, -1, interactor)          canvas = view.MapCanvas(self, -1)
99          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
100            canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)
101          self.canvas = canvas          self.canvas = canvas
102    
103          self.init_dialogs()          self.SetMainWindow(self.canvas)
104    
105          interactor.Subscribe(SELECTED_SHAPE, self.identify_view_on_demand)          self.SetAutoLayout(True)
106    
107            self.init_dialogs()
108    
109          EVT_CLOSE(self, self.OnClose)          EVT_CLOSE(self, self.OnClose)
110    
111        def Subscribe(self, channel, *args):
112            """Subscribe a function to a message channel.
113    
114            If channel is one of the delegated messages call the appropriate
115            object's Subscribe method. Otherwise do nothing.
116            """
117            if channel in self.delegated_messages:
118                object = getattr(self, self.delegated_messages[channel])
119                object.Subscribe(channel, *args)
120            else:
121                print "Trying to subscribe to unsupported channel %s" % channel
122    
123        def Unsubscribe(self, channel, *args):
124            """Unsubscribe a function from a message channel.
125    
126            If channel is one of the delegated messages call the appropriate
127            object's Unsubscribe method. Otherwise do nothing.
128            """
129            if channel in self.delegated_messages:
130                object = getattr(self, self.delegated_messages[channel])
131                object.Unsubscribe(channel, *args)
132    
133        def __getattr__(self, attr):
134            """If attr is one of the delegated methods return that method
135    
136            Otherwise raise AttributeError.
137            """
138            if attr in self.delegated_methods:
139                return getattr(getattr(self, self.delegated_methods[attr]), attr)
140            raise AttributeError(attr)
141    
142      def init_ids(self):      def init_ids(self):
143          """Initialize the ids"""          """Initialize the ids"""
144          self.current_id = 6000          self.current_id = 6000
# Line 185  class MainWindow(wxFrame): Line 248  class MainWindow(wxFrame):
248              command = registry.Command(name)              command = registry.Command(name)
249              if command is not None:              if command is not None:
250                  ID = self.get_id(name)                  ID = self.get_id(name)
251                  filename = os.path.join(bitmapdir, command.Icon()) + bitmapext                  bitmap = resource.GetBitmapResource(command.Icon(),
252                  bitmap = wxBitmap(filename, wxBITMAP_TYPE_XPM)                                                      wxBITMAP_TYPE_XPM)
253                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
254                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
255                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
# Line 302  class MainWindow(wxFrame): Line 365  class MainWindow(wxFrame):
365                  d.Close()                  d.Close()
366    
367      def NewSession(self):      def NewSession(self):
368          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
369          self.prepare_new_session()              self.prepare_new_session()
370          self.application.SetSession(create_empty_session())              self.application.SetSession(create_empty_session())
371    
372      def OpenSession(self):      def OpenSession(self):
373          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
374          dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)              dlg = wxFileDialog(self, _("Open Session"), ".", "",
375          if dlg.ShowModal() == wxID_OK:                                 "Thuban Session File (*.thuban)|*.thuban",
376              self.prepare_new_session()                                 wxOPEN)
377              self.application.OpenSession(dlg.GetPath())              if dlg.ShowModal() == wxID_OK:
378          dlg.Destroy()                  self.prepare_new_session()
379                    self.application.OpenSession(dlg.GetPath())
380                dlg.Destroy()
381    
382      def SaveSession(self):      def SaveSession(self):
383          if self.application.session.filename == None:          if self.application.session.filename == None:
# Line 322  class MainWindow(wxFrame): Line 387  class MainWindow(wxFrame):
387    
388      def SaveSessionAs(self):      def SaveSessionAs(self):
389          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
390                             "*.thuban", wxOPEN)                             "Thuban Session File (*.thuban)|*.thuban",
391                               wxSAVE|wxOVERWRITE_PROMPT)
392          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
393              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
394              self.application.SaveSession()              self.application.SaveSession()
395          dlg.Destroy()          dlg.Destroy()
396    
397      def Exit(self):      def Exit(self):
398          self.Close(false)          self.Close(False)
399    
400      def OnClose(self, event):      def OnClose(self, event):
401          result = self.save_modified_session(can_veto = event.CanVeto())          result = self.save_modified_session(can_veto = event.CanVeto())
# Line 340  class MainWindow(wxFrame): Line 406  class MainWindow(wxFrame):
406              # wx's destroy event, but that isn't implemented for wxGTK              # wx's destroy event, but that isn't implemented for wxGTK
407              # yet.              # yet.
408              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
409                DockFrame.OnClose(self, event)
410              self.Destroy()              self.Destroy()
411    
412      def SetMap(self, map):      def SetMap(self, map):
413          self.canvas.SetMap(map)          self.canvas.SetMap(map)
414            self.__SetTitle(map.Title())
415    
416            dialog = self.FindRegisteredDock("legend")
417            if dialog is not None:
418                dialog.GetPanel().SetMap(self.Map())
419    
420      def Map(self):      def Map(self):
421          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
422    
423          return self.canvas.Map()          return self.canvas.Map()
424    
425      def ShowSessionTree(self):      def ToggleSessionTree(self):
426            """If the session tree is shown close it otherwise create a new tree"""
427          name = "session_tree"          name = "session_tree"
428          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
429          if dialog is None:          if dialog is None:
# Line 357  class MainWindow(wxFrame): Line 431  class MainWindow(wxFrame):
431              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
432              dialog.Show(True)              dialog.Show(True)
433          else:          else:
434              # FIXME: bring dialog to front here              dialog.Close()
435              pass  
436        def SessionTreeShown(self):
437            """Return true iff the session tree is currently shown"""
438            return self.get_open_dialog("session_tree") is not None
439    
440      def About(self):      def About(self):
441          self.RunMessageBox(_("About"),          self.RunMessageBox(_("About"),
442                             _("Thuban is a program for\n"                             _("Thuban %s\n"
443                                #"Build Date: %s\n"
444                                "using:\n"
445                                "  %s\n"
446                                "  %s\n\n"
447                                "Thuban is a program for\n"
448                              "exploring geographic data.\n"                              "exploring geographic data.\n"
449                              "Copyright (C) 2001-2003 Intevation GmbH.\n"                              "Copyright (C) 2001-2003 Intevation GmbH.\n"
450                              "Thuban is licensed under the GPL"),                              "Thuban is licensed under the GNU GPL"
451                                % (Thuban.version.longversion,
452                                   "wxPython %s" % wxPython_version,
453                                   "Python %d.%d.%d" % sys.version_info[:3]
454                                  )),
455    #                           % __ThubanVersion__), #__BuildDate__)),
456                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
457    
458      def AddLayer(self):      def AddLayer(self):
# Line 374  class MainWindow(wxFrame): Line 461  class MainWindow(wxFrame):
461          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
462              filename = dlg.GetPath()              filename = dlg.GetPath()
463              title = os.path.splitext(os.path.basename(filename))[0]              title = os.path.splitext(os.path.basename(filename))[0]
             layer = Layer(title, filename)  
464              map = self.canvas.Map()              map = self.canvas.Map()
465              has_layers = map.HasLayers()              has_layers = map.HasLayers()
466              try:              try:
467                  map.AddLayer(layer)                  store = self.application.Session().OpenShapefile(filename)
468              except IOError:              except IOError:
469                  # the layer couldn't be opened                  # the layer couldn't be opened
470                  self.RunMessageBox(_("Add Layer"),                  self.RunMessageBox(_("Add Layer"),
471                                     _("Can't open the file '%s'.") % filename)                                     _("Can't open the file '%s'.") % filename)
472              else:              else:
473                    layer = Layer(title, store)
474                    map.AddLayer(layer)
475                    if not has_layers:
476                        # if we're adding a layer to an empty map, fit the
477                        # new map to the window
478                        self.canvas.FitMapToWindow()
479            dlg.Destroy()
480    
481        def AddRasterLayer(self):
482            dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",
483                               wxOPEN)
484            if dlg.ShowModal() == wxID_OK:
485                filename = dlg.GetPath()
486                title = os.path.splitext(os.path.basename(filename))[0]
487                map = self.canvas.Map()
488                has_layers = map.HasLayers()
489                try:
490                    layer = RasterLayer(title, filename)
491                except IOError:
492                    # the layer couldn't be opened
493                    self.RunMessageBox(_("Add Image Layer"),
494                                       _("Can't open the file '%s'.") % filename)
495                else:
496                    map.AddLayer(layer)
497                  if not has_layers:                  if not has_layers:
498                      # if we're adding a layer to an empty map, for the                      # if we're adding a layer to an empty map, fit the
499                      # new map to the window                      # new map to the window
500                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
501          dlg.Destroy()          dlg.Destroy()
# Line 398  class MainWindow(wxFrame): Line 508  class MainWindow(wxFrame):
508      def CanRemoveLayer(self):      def CanRemoveLayer(self):
509          """Return true if the currently selected layer can be deleted.          """Return true if the currently selected layer can be deleted.
510    
511          If no layer is selected return false.          If no layer is selected return False.
512    
513          The return value of this method determines whether the remove          The return value of this method determines whether the remove
514          layer command is sensitive in menu.          layer command is sensitive in menu.
# Line 406  class MainWindow(wxFrame): Line 516  class MainWindow(wxFrame):
516          layer = self.current_layer()          layer = self.current_layer()
517          if layer is not None:          if layer is not None:
518              return self.canvas.Map().CanRemoveLayer(layer)              return self.canvas.Map().CanRemoveLayer(layer)
519          return 0          return False
520    
521      def RaiseLayer(self):      def RaiseLayer(self):
522          layer = self.current_layer()          layer = self.current_layer()
# Line 423  class MainWindow(wxFrame): Line 533  class MainWindow(wxFrame):
533    
534          If no layer is selected, return None          If no layer is selected, return None
535          """          """
536          return self.interactor.SelectedLayer()          return self.canvas.SelectedLayer()
537    
538      def has_selected_layer(self):      def has_selected_layer(self):
539          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
540          return self.interactor.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
   
     def choose_color(self):  
         """Run the color selection dialog and return the selected color.  
   
         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  
   
     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)  
541    
542      def LayerTransparentFill(self):      def has_selected_shapes(self):
543          layer = self.current_layer()          """Return true if a shape is currently selected"""
544          if layer is not None:          return self.canvas.HasSelectedShapes()
             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)  
545    
546      def HideLayer(self):      def HideLayer(self):
547          layer = self.current_layer()          layer = self.current_layer()
# Line 486  class MainWindow(wxFrame): Line 560  class MainWindow(wxFrame):
560              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
561              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
562              if dialog is None:              if dialog is None:
563                  dialog = tableview.LayerTableFrame(self, self.interactor, name,                  dialog = tableview.LayerTableFrame(self, name,
564                                                     _("Table: %s") % layer.Title(),                                           _("Layer Table: %s") % layer.Title(),
565                                                     layer, table)                                           layer, table)
566                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
567                  dialog.Show(true)                  dialog.Show(True)
568              else:              else:
569                  # FIXME: bring dialog to front here                  # FIXME: bring dialog to front here
570                  pass                  pass
571    
572      def Projection(self):      def MapProjection(self):
573          map = self.canvas.Map()  
574          proj = map.projection          name = "map_projection"
575          if proj is None:          dialog = self.get_open_dialog(name)
576              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())  
577          else:          if dialog is None:
578              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,              map = self.canvas.Map()
579                                                 map.BoundingBox())              dialog = projdialog.ProjFrame(self, name,
580          if proj4Dlg.ShowModal() == wxID_OK:                       _("Map Projection: %s") % map.Title(), map)
581              params = proj4Dlg.GetParams()              self.add_dialog(name, dialog)
582              if params is not None:              dialog.Show()
583                  proj = Projection(params)          dialog.Raise()
             else:  
                 proj = None  
             map.SetProjection(proj)  
         proj4Dlg.Destroy()  
584    
585      def Classify(self):      def LayerProjection(self):
586    
587            layer = self.current_layer()
588    
589            name = "layer_projection" + str(id(layer))
590            dialog = self.get_open_dialog(name)
591    
592            if dialog is None:
593                map = self.canvas.Map()
594                dialog = projdialog.ProjFrame(self, name,
595                         _("Layer Projection: %s") % layer.Title(), layer)
596                self.add_dialog(name, dialog)
597                dialog.Show()
598            dialog.Raise()
599    
600        def LayerEditProperties(self):
601    
602          #          #
603          # the menu option for this should only be available if there          # the menu option for this should only be available if there
# Line 521  class MainWindow(wxFrame): Line 606  class MainWindow(wxFrame):
606          #          #
607    
608          layer = self.current_layer()          layer = self.current_layer()
609          name = "classifier" + str(id(layer))          self.OpenLayerProperties(layer)
610    
611        def OpenLayerProperties(self, layer, group = None):
612            name = "layer_properties" + str(id(layer))
613          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
614    
615          if dialog is None:          if dialog is None:
616              dialog = classifier.Classifier(self, self.interactor,              dialog = Classifier(self, name, layer, group)
                                            name, self.current_layer())  
617              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
618              dialog.Show()              dialog.Show()
619            dialog.Raise()
620    
621        def LayerJoinTable(self):
622            print "LayerJoinTable: Not implemented."
623    
624        def LayerUnjoinTable(self):
625            print "LayerUnjoinTable: Not implemented."
626    
627        def ShowLegend(self):
628            if not self.LegendShown():
629                self.ToggleLegend()
630    
631        def ToggleLegend(self):
632            """Show the legend if it's not shown otherwise hide it again"""
633            name = "legend"
634            dialog = self.FindRegisteredDock(name)
635    
636            if dialog is None:
637                dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
638                legend.LegendPanel(dialog, None, self)
639                dialog.Dock()
640                dialog.GetPanel().SetMap(self.Map())
641                dialog.Show()
642            else:
643                dialog.Show(not dialog.IsShown())
644    
645        def LegendShown(self):
646            """Return true iff the legend is currently open"""
647            dialog = self.FindRegisteredDock("legend")
648            return dialog is not None and dialog.IsShown()
649    
650        def TableOpen(self):
651            dlg = wxFileDialog(self, _("Open Table"), ".", "",
652                               _("DBF Files (*.dbf)") + "|*.dbf|" +
653                               #_("CSV Files (*.csv)") + "|*.csv|" +
654                               _("All Files (*.*)") + "|*.*",
655                               wxOPEN)
656            if dlg.ShowModal() == wxID_OK:
657                self.application.session.OpenTableFile(dlg.GetPath())
658    
659            dlg.Destroy()
660    
661        def TableClose(self):
662            print "TableClose: not implemented"
663    
664        def TableShow(self):
665            """Offer a multi-selection dialog for tables to be displayed
666            
667            The windows for the selected tables are opened or brought to
668            the front.
669            """
670            tables = self.application.session.Tables()
671            table_list = []
672            for table in tables:
673                table_list.append(table.Title())
674    
675            dlg = wxMultipleChoiceDialog(self, _("Pick the table to show:"),
676                                         _("Show Table"), table_list,
677                                         size = (400,300), style = wxRESIZE_BORDER)
678            if (dlg.ShowModal() == wxID_OK):
679                for i in dlg.GetValue():
680                    # XXX: First check whether the dialog is already open
681                    # and if so, bring it to the front.
682                    # XXX: if the table belongs to a layer, open a
683                    # LayerTableFrame instead of QueryTableFrame
684                    print "tables[i]:", tables[i]
685                    dialog = tableview.QueryTableFrame(self, table_list[i],
686                                                  _("Table: %s") % table_list[i],
687                                                  tables[i])
688                    self.add_dialog(table_list[i], dialog)
689                    dialog.Show(True)
690    
691            # XXX: just some analyis code, remove it when the above XXX is
692            # resolved.
693            for d in self.dialogs.values():
694                if isinstance(d, tableview.LayerTableFrame):
695                    print "LayerTable:", d.GetTitle()
696                elif isinstance(d, tableview.QueryTableFrame):
697                    print "QueryTable:", d.GetTitle()
698                else:
699                    print "Other:", d.GetTitle()
700    
701        def TableHide(self):
702            print "TableHide: not implemented"
703    
704        def TableJoin(self):
705            dlg = JoinDialog(self, _("Join Tables"), self.application.session)
706            dlg.ShowModal()
707    
708      def ZoomInTool(self):      def ZoomInTool(self):
709          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
# Line 549  class MainWindow(wxFrame): Line 724  class MainWindow(wxFrame):
724      def FullExtent(self):      def FullExtent(self):
725          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
726    
727        def FullLayerExtent(self):
728            self.canvas.FitLayerToWindow(self.current_layer())
729    
730        def FullSelectionExtent(self):
731            self.canvas.FitSelectedToWindow()
732    
733        def ExportMap(self):
734            self.canvas.Export()
735    
736      def PrintMap(self):      def PrintMap(self):
737          self.canvas.Print()          self.canvas.Print()
738    
739      def identify_view_on_demand(self, layer, shape):      def RenameMap(self):
740            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
741                                    self.Map().Title())
742            if dlg.ShowModal() == wxID_OK:
743                title = dlg.GetValue()
744                if title != "":
745                    self.Map().SetTitle(title)
746                    self.__SetTitle(title)
747    
748            dlg.Destroy()
749    
750        def identify_view_on_demand(self, layer, shapes):
751            """Subscribed to the canvas' SHAPES_SELECTED message
752    
753            If the current tool is the identify tool, at least one shape is
754            selected and the identify dialog is not shown, show the dialog.
755            """
756            # If the selection has become empty we don't need to do
757            # anything. Otherwise it could happen that the dialog was popped
758            # up when the selection became empty, e.g. when a new selection
759            # is opened while the identify tool is active and dialog had
760            # been closed
761            if not shapes:
762                return
763    
764          name = "identify_view"          name = "identify_view"
765          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
766              if not self.dialog_open(name):              if not self.dialog_open(name):
767                  dialog = identifyview.IdentifyView(self, self.interactor, name)                  dialog = identifyview.IdentifyView(self, name)
768                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
769                  dialog.Show(true)                  dialog.Show(True)
770              else:              else:
771                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
772                  pass                  pass
773    
774        def __SetTitle(self, title):
775            self.SetTitle("Thuban - " + title)
776    
777  #  #
778  # Define all the commands available in the main window  # Define all the commands available in the main window
779  #  #
# Line 574  def call_method(context, methodname, *ar Line 785  def call_method(context, methodname, *ar
785      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
786    
787  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
788                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
789      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
790      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
791                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
792                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
793    
794  def make_check_current_tool(toolname):  def make_check_current_tool(toolname):
795      """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 603  def _has_selected_layer(context): Line 814  def _has_selected_layer(context):
814      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
815      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
816    
817    def _has_selected_shapes(context):
818        """Return true if a layer is selected in the context"""
819        return context.mainwindow.has_selected_shapes()
820    
821  def _can_remove_layer(context):  def _can_remove_layer(context):
822      return context.mainwindow.CanRemoveLayer()      return context.mainwindow.CanRemoveLayer()
823    
824  def _has_tree_window_shown(context):  def _has_tree_window_shown(context):
825      """Return true if the tree window is shown"""      """Return true if the tree window is shown"""
826      return context.mainwindow.get_open_dialog("session_tree") is None      return context.mainwindow.SessionTreeShown()
827    
828  def _has_visible_map(context):  def _has_visible_map(context):
829      """Return true iff theres a visible map in the mainwindow.      """Return true iff theres a visible map in the mainwindow.
# Line 621  def _has_visible_map(context): Line 836  def _has_visible_map(context):
836                  return 1                  return 1
837      return 0      return 0
838    
839    def _has_legend_shown(context):
840        """Return true if the legend window is shown"""
841        return context.mainwindow.LegendShown()
842    
843    
844  # File menu  # File menu
845  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
846  _method_command("open_session", _("&Open Session"), "OpenSession")  _method_command("open_session", _("&Open Session..."), "OpenSession")
847  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
848  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs")
849  _method_command("show_session_tree", _("Show Session &Tree"), "ShowSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
850                  sensitive = _has_tree_window_shown)                  checked = _has_tree_window_shown)
851    _method_command("toggle_legend", _("Legend"), "ToggleLegend",
852                    checked = _has_legend_shown)
853  _method_command("exit", _("E&xit"), "Exit")  _method_command("exit", _("E&xit"), "Exit")
854    
855  # Help menu  # Help menu
856  _method_command("help_about", _("&About"), "About")  _method_command("help_about", _("&About..."), "About")
857    
858    
859  # Map menu  # Map menu
860  _method_command("map_projection", _("Pro&jection"), "Projection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection")
861    
862  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
863                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
# Line 657  _tool_command("map_label_tool", _("&Labe Line 878  _tool_command("map_label_tool", _("&Labe
878  _method_command("map_full_extent", _("&Full extent"), "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
879                 helptext = _("Full Extent"), icon = "fullextent",                 helptext = _("Full Extent"), icon = "fullextent",
880                sensitive = _has_visible_map)                sensitive = _has_visible_map)
881    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
882                   helptext = _("Full Layer Extent"), icon = "fulllayerextent",
883                  sensitive = _has_selected_layer)
884    _method_command("selected_full_extent", _("&Full selection extent"), "FullSelectionExtent",
885                   helptext = _("Full Selection Extent"), icon = "fullselextent",
886                  sensitive = _has_selected_shapes)
887    _method_command("map_export", _("E&xport"), "ExportMap",
888                        helptext = _("Export the map to file"))
889  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
890                  helptext = _("Print the map"))                  helptext = _("Print the map"))
891    _method_command("map_rename", _("&Rename..."), "RenameMap",
892  # Layer menu                  helptext = _("Rename the map"))
893  _method_command("layer_add", _("&Add Layer"), "AddLayer",  _method_command("layer_add", _("&Add Layer..."), "AddLayer",
894                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new layer to active map"))
895    _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
896                    helptext = _("Add a new image layer to active map"))
897  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
898                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer(s)"),
899                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
900  _method_command("layer_fill_color", _("&Fill Color"), "LayerFillColor",  
901                  helptext = _("Set the fill color of selected layer(s)"),  # Layer menu
902                  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)"),  
903                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
904  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
905                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer(s)"),
# Line 694  _method_command("layer_hide", _("&Hide") Line 916  _method_command("layer_hide", _("&Hide")
916  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
917                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
918                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
919    _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
920  _method_command("layer_classifier", _("Classify"), "Classify",                  sensitive = _has_selected_layer)
921    _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
922                    sensitive = _has_selected_layer)
923    _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
924                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
925    
926  # the menu structure  # Table menu
927  main_menu = Menu("<main>", "<main>",  _method_command("table_open", _("&Open..."), "TableOpen")
928                   [Menu("file", _("&File"),  _method_command("table_close", _("&Close"), "TableClose")
929                         ["new_session", "open_session", None,  _method_command("table_show", _("&Show"), "TableShow")
930                          "save_session", "save_session_as", None,  _method_command("table_hide", _("&Hide"), "TableHide")
931                          "show_session_tree", None,  _method_command("table_join", _("&Join..."), "TableJoin")
932                          "exit"]),  
933                    Menu("map", _("&Map"),  #  Export only under Windows ...
934                         ["layer_add", "layer_remove",  map_menu = ["layer_add", "rasterlayer_add", "layer_remove", "map_rename",
935                          None,                          None,
936                          "map_projection",                          "map_projection",
937                          None,                          None,
938                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
939                          "map_pan_tool", "map_identify_tool", "map_label_tool",                          "map_pan_tool",
940                            "map_full_extent",
941                            "layer_full_extent",
942                            "selected_full_extent",
943                          None,                          None,
944                          "map_full_extent",                          "map_identify_tool", "map_label_tool",
945                          None,                          None,
946                          "map_print"]),                          "toggle_legend",
947                            None]
948    if wxPlatform == '__WXMSW__':
949        map_menu.append("map_export")
950    map_menu.append("map_print")
951    
952    # the menu structure
953    main_menu = Menu("<main>", "<main>",
954                     [Menu("file", _("&File"),
955                           ["new_session", "open_session", None,
956                            "save_session", "save_session_as", None,
957                            "toggle_session_tree", None,
958                            "exit"]),
959                      Menu("map", _("&Map"), map_menu),
960                    Menu("layer", _("&Layer"),                    Menu("layer", _("&Layer"),
961                         ["layer_fill_color", "layer_transparent_fill",                          ["layer_raise", "layer_lower",
                         "layer_outline_color", "layer_no_outline",  
                         None,  
                         "layer_raise", "layer_lower",  
962                          None,                          None,
963                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
964                          None,                          None,
965                            "layer_projection",
966                            None,
967                          "layer_show_table",                          "layer_show_table",
968                            "layer_jointable",
969                            "layer_unjointable",
970                          None,                          None,
971                          "layer_classifier"]),                          "layer_properties"]),
972                      Menu("table", _("&Table"),
973                           ["table_open", "table_close",
974                           None,
975                           "table_show", "table_hide",
976                           None,
977                           "table_join"]),
978                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
979                         ["help_about"])])                         ["help_about"])])
980    
# Line 734  main_menu = Menu("<main>", "<main>", Line 982  main_menu = Menu("<main>", "<main>",
982    
983  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
984                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
985                       "map_full_extent", None,                       "map_full_extent",
986                         "layer_full_extent",
987                         "selected_full_extent",
988                         None,
989                       "map_identify_tool", "map_label_tool"])                       "map_identify_tool", "map_label_tool"])
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