/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 487 by jonathan, Fri Mar 7 18:21:03 2003 UTC revision 1068 by bh, Tue May 27 15:02:37 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
 from Thuban.Model.color import Color  
 from Thuban.Model.proj import Projection  
32    
33  import view  import view
34  import tree  import tree
 import proj4dialog  
35  import tableview, identifyview  import tableview, identifyview
36  import classifier  from Thuban.UI.classifier import Classifier
37    import legend
38  from menu import Menu  from menu import Menu
39    
40  from context import Context  from context import Context
41  from command import registry, Command, ToolCommand  from command import registry, Command, ToolCommand
42  from messages import SELECTED_SHAPE, VIEW_POSITION  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
43    
44    from Thuban.UI.dock import DockFrame
45    from Thuban.UI.join import JoinDialog
46    
47    import resource
48    
49    import projdialog
50    
 # the directory where the toolbar icons are stored  
 bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  
 bitmapext = ".xpm"  
51    
52    
53  class MainWindow(wxFrame):  class MainWindow(DockFrame):
54    
55        # Some messages that can be subscribed/unsubscribed directly through
56        # the MapCanvas come in fact from other objects. This is a map to
57        # map those messages to the names of the instance variables they
58        # actually come from. This delegation is implemented in the
59        # Subscribe and unsubscribed methods
60        delegated_messages = {LAYER_SELECTED: "canvas",
61                              SHAPES_SELECTED: "canvas"}
62    
63        # Methods delegated to some instance variables. The delegation is
64        # implemented in the __getattr__ method.
65        delegated_methods = {"SelectLayer": "canvas",
66                             "SelectShapes": "canvas",
67                             "SelectedShapes": "canvas",
68                             }
69    
70      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
71                   initial_message = None, size = wxSize(-1, -1)):                   initial_message = None, size = wxSize(-1, -1)):
72          wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)          DockFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
73            #wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
74    
75          self.application = application          self.application = application
         self.interactor = interactor  
76    
77          self.CreateStatusBar()          self.CreateStatusBar()
78          if initial_message:          if initial_message:
# Line 65  class MainWindow(wxFrame): Line 90  class MainWindow(wxFrame):
90          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
91          toolbar.Realize()          toolbar.Realize()
92    
93    
94          # Create the map canvas          # Create the map canvas
95          canvas = view.MapCanvas(self, -1, interactor)          canvas = view.MapCanvas(self, -1)
96          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
97            canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)
98          self.canvas = canvas          self.canvas = canvas
99    
100          self.init_dialogs()          self.SetMainWindow(self.canvas)
101    
102          interactor.Subscribe(SELECTED_SHAPE, self.identify_view_on_demand)          self.SetAutoLayout(True)
103    
104            self.init_dialogs()
105    
106          EVT_CLOSE(self, self.OnClose)          EVT_CLOSE(self, self.OnClose)
107    
108        def Subscribe(self, channel, *args):
109            """Subscribe a function to a message channel.
110    
111            If channel is one of the delegated messages call the appropriate
112            object's Subscribe method. Otherwise do nothing.
113            """
114            if channel in self.delegated_messages:
115                object = getattr(self, self.delegated_messages[channel])
116                object.Subscribe(channel, *args)
117            else:
118                print "Trying to subscribe to unsupported channel %s" % channel
119    
120        def Unsubscribe(self, channel, *args):
121            """Unsubscribe a function from a message channel.
122    
123            If channel is one of the delegated messages call the appropriate
124            object's Unsubscribe method. Otherwise do nothing.
125            """
126            if channel in self.delegated_messages:
127                object = getattr(self, self.delegated_messages[channel])
128                object.Unsubscribe(channel, *args)
129    
130        def __getattr__(self, attr):
131            """If attr is one of the delegated methods return that method
132    
133            Otherwise raise AttributeError.
134            """
135            if attr in self.delegated_methods:
136                return getattr(getattr(self, self.delegated_methods[attr]), attr)
137            raise AttributeError(attr)
138    
139      def init_ids(self):      def init_ids(self):
140          """Initialize the ids"""          """Initialize the ids"""
141          self.current_id = 6000          self.current_id = 6000
# Line 185  class MainWindow(wxFrame): Line 245  class MainWindow(wxFrame):
245              command = registry.Command(name)              command = registry.Command(name)
246              if command is not None:              if command is not None:
247                  ID = self.get_id(name)                  ID = self.get_id(name)
248                  filename = os.path.join(bitmapdir, command.Icon()) + bitmapext                  bitmap = resource.GetBitmapResource(command.Icon(),
249                  bitmap = wxBitmap(filename, wxBITMAP_TYPE_XPM)                                                      wxBITMAP_TYPE_XPM)
250                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
251                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
252                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
# Line 299  class MainWindow(wxFrame): Line 359  class MainWindow(wxFrame):
359      def prepare_new_session(self):      def prepare_new_session(self):
360          for d in self.dialogs.values():          for d in self.dialogs.values():
361              if not isinstance(d, tree.SessionTreeView):              if not isinstance(d, tree.SessionTreeView):
362                  d.Shutdown()                  d.Close()
363    
364      def NewSession(self):      def NewSession(self):
365          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
366          self.prepare_new_session()              self.prepare_new_session()
367          self.application.SetSession(create_empty_session())              self.application.SetSession(create_empty_session())
368    
369      def OpenSession(self):      def OpenSession(self):
370          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
371          dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)              dlg = wxFileDialog(self, _("Open Session"), ".", "",
372          if dlg.ShowModal() == wxID_OK:                                 "Thuban Session File (*.thuban)|*.thuban",
373              self.prepare_new_session()                                 wxOPEN)
374              self.application.OpenSession(dlg.GetPath())              if dlg.ShowModal() == wxID_OK:
375          dlg.Destroy()                  self.prepare_new_session()
376                    self.application.OpenSession(dlg.GetPath())
377                dlg.Destroy()
378    
379      def SaveSession(self):      def SaveSession(self):
380          if self.application.session.filename == None:          if self.application.session.filename == None:
# Line 322  class MainWindow(wxFrame): Line 384  class MainWindow(wxFrame):
384    
385      def SaveSessionAs(self):      def SaveSessionAs(self):
386          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
387                             "*.thuban", wxOPEN)                             "Thuban Session File (*.thuban)|*.thuban",
388                               wxSAVE|wxOVERWRITE_PROMPT)
389          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
390              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
391              self.application.SaveSession()              self.application.SaveSession()
392          dlg.Destroy()          dlg.Destroy()
393    
394      def Exit(self):      def Exit(self):
395          self.Close(false)          self.Close(False)
396    
397      def OnClose(self, event):      def OnClose(self, event):
398          result = self.save_modified_session(can_veto = event.CanVeto())          result = self.save_modified_session(can_veto = event.CanVeto())
# Line 340  class MainWindow(wxFrame): Line 403  class MainWindow(wxFrame):
403              # wx's destroy event, but that isn't implemented for wxGTK              # wx's destroy event, but that isn't implemented for wxGTK
404              # yet.              # yet.
405              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
406                DockFrame.OnClose(self, event)
407                for dlg in self.dialogs.values():
408                    dlg.Destroy()
409                self.canvas.Destroy()
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:
430              dialog = tree.SessionTreeView(self, self.application, name)              dialog = tree.SessionTreeView(self, self.application, name)
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:                  if not has_layers:
476                      # if we're adding a layer to an empty map, for the                      # 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:
498                        # 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.  
541    
542          If the user cancels, return None.      def has_selected_shapes(self):
543          """          """Return true if a shape is currently selected"""
544          dlg = wxColourDialog(self)          return self.canvas.HasSelectedShapes()
         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)  
   
     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)  
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()
584              else:  
585                  proj = None      def LayerProjection(self):
586              map.SetProjection(proj)  
587          proj4Dlg.Destroy()          layer = self.current_layer()
588    
589      def Classify(self):          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                filename = dlg.GetPath()
658                dlg.Destroy()
659                try:
660                    table = self.application.session.OpenTableFile(filename)
661                except IOError:
662                    # the layer couldn't be opened
663                    self.RunMessageBox(_("Open Table"),
664                                       _("Can't open the file '%s'.") % filename)
665                else:
666                    self.ShowTableView(table)
667    
668        def TableClose(self):
669            tables = self.application.session.UnreferencedTables()
670    
671            dlg = wxMultipleChoiceDialog(self, _("Pick the tables to close:"),
672                                         _("Close Table"),
673                                         [t.Title() for t in tables],
674                                         size = (400, 300), style=wxRESIZE_BORDER)
675            if dlg.ShowModal() == wxID_OK:
676                for i in dlg.GetValue():
677                    self.application.session.RemoveTable(tables[i])
678    
679    
680        def TableShow(self):
681            """Offer a multi-selection dialog for tables to be displayed
682    
683            The windows for the selected tables are opened or brought to
684            the front.
685            """
686            tables = self.application.session.Tables()
687    
688            dlg = wxMultipleChoiceDialog(self, _("Pick the table to show:"),
689                                         _("Show Table"),
690                                         [t.Title() for t in tables],
691                                         size = (400,300), style = wxRESIZE_BORDER)
692            if (dlg.ShowModal() == wxID_OK):
693                for i in dlg.GetValue():
694                    # XXX: if the table belongs to a layer, open a
695                    # LayerTableFrame instead of QueryTableFrame
696                    self.ShowTableView(tables[i])
697    
698        def TableJoin(self):
699            dlg = JoinDialog(self, _("Join Tables"), self.application.session)
700            dlg.ShowModal()
701    
702        def ShowTableView(self, table):
703            """Open a table view for the table and optionally"""
704            name = "table_view%d" % id(table)
705            dialog = self.get_open_dialog(name)
706            if dialog is None:
707                dialog = tableview.QueryTableFrame(self, name,
708                                                   _("Table: %s") % table.Title(),
709                                                   table)
710                self.add_dialog(name, dialog)
711                dialog.Show(True)
712            # FIXME: else bring dialog to front
713    
714      def ZoomInTool(self):      def ZoomInTool(self):
715          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
# Line 549  class MainWindow(wxFrame): Line 730  class MainWindow(wxFrame):
730      def FullExtent(self):      def FullExtent(self):
731          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
732    
733        def FullLayerExtent(self):
734            self.canvas.FitLayerToWindow(self.current_layer())
735    
736        def FullSelectionExtent(self):
737            self.canvas.FitSelectedToWindow()
738    
739        def ExportMap(self):
740            self.canvas.Export()
741    
742      def PrintMap(self):      def PrintMap(self):
743          self.canvas.Print()          self.canvas.Print()
744    
745      def identify_view_on_demand(self, layer, shape):      def RenameMap(self):
746            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
747                                    self.Map().Title())
748            if dlg.ShowModal() == wxID_OK:
749                title = dlg.GetValue()
750                if title != "":
751                    self.Map().SetTitle(title)
752                    self.__SetTitle(title)
753    
754            dlg.Destroy()
755    
756        def identify_view_on_demand(self, layer, shapes):
757            """Subscribed to the canvas' SHAPES_SELECTED message
758    
759            If the current tool is the identify tool, at least one shape is
760            selected and the identify dialog is not shown, show the dialog.
761            """
762            # If the selection has become empty we don't need to do
763            # anything. Otherwise it could happen that the dialog was popped
764            # up when the selection became empty, e.g. when a new selection
765            # is opened while the identify tool is active and dialog had
766            # been closed
767            if not shapes:
768                return
769    
770          name = "identify_view"          name = "identify_view"
771          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
772              if not self.dialog_open(name):              if not self.dialog_open(name):
773                  dialog = identifyview.IdentifyView(self, self.interactor, name)                  dialog = identifyview.IdentifyView(self, name)
774                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
775                  dialog.Show(true)                  dialog.Show(True)
776              else:              else:
777                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
778                  pass                  pass
779    
780        def __SetTitle(self, title):
781            self.SetTitle("Thuban - " + title)
782    
783  #  #
784  # Define all the commands available in the main window  # Define all the commands available in the main window
785  #  #
# Line 574  def call_method(context, methodname, *ar Line 791  def call_method(context, methodname, *ar
791      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
792    
793  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
794                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
795      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
796      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
797                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
798                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
799    
800  def make_check_current_tool(toolname):  def make_check_current_tool(toolname):
801      """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 820  def _has_selected_layer(context):
820      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
821      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
822    
823    def _has_selected_shapes(context):
824        """Return true if a layer is selected in the context"""
825        return context.mainwindow.has_selected_shapes()
826    
827  def _can_remove_layer(context):  def _can_remove_layer(context):
828      return context.mainwindow.CanRemoveLayer()      return context.mainwindow.CanRemoveLayer()
829    
830  def _has_tree_window_shown(context):  def _has_tree_window_shown(context):
831      """Return true if the tree window is shown"""      """Return true if the tree window is shown"""
832      return context.mainwindow.get_open_dialog("session_tree") is None      return context.mainwindow.SessionTreeShown()
833    
834  def _has_visible_map(context):  def _has_visible_map(context):
835      """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 842  def _has_visible_map(context):
842                  return 1                  return 1
843      return 0      return 0
844    
845    def _has_legend_shown(context):
846        """Return true if the legend window is shown"""
847        return context.mainwindow.LegendShown()
848    
849    
850  # File menu  # File menu
851  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
852  _method_command("open_session", _("&Open Session"), "OpenSession")  _method_command("open_session", _("&Open Session..."), "OpenSession")
853  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
854  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs")
855  _method_command("show_session_tree", _("Show Session &Tree"), "ShowSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
856                  sensitive = _has_tree_window_shown)                  checked = _has_tree_window_shown)
857    _method_command("toggle_legend", _("Legend"), "ToggleLegend",
858                    checked = _has_legend_shown)
859  _method_command("exit", _("E&xit"), "Exit")  _method_command("exit", _("E&xit"), "Exit")
860    
861  # Help menu  # Help menu
862  _method_command("help_about", _("&About"), "About")  _method_command("help_about", _("&About..."), "About")
863    
864    
865  # Map menu  # Map menu
866  _method_command("map_projection", _("Pro&jection"), "Projection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection")
867    
868  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
869                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 884  _tool_command("map_label_tool", _("&Labe
884  _method_command("map_full_extent", _("&Full extent"), "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
885                 helptext = _("Full Extent"), icon = "fullextent",                 helptext = _("Full Extent"), icon = "fullextent",
886                sensitive = _has_visible_map)                sensitive = _has_visible_map)
887    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
888                   helptext = _("Full Layer Extent"), icon = "fulllayerextent",
889                  sensitive = _has_selected_layer)
890    _method_command("selected_full_extent", _("&Full selection extent"), "FullSelectionExtent",
891                   helptext = _("Full Selection Extent"), icon = "fullselextent",
892                  sensitive = _has_selected_shapes)
893    _method_command("map_export", _("E&xport"), "ExportMap",
894                        helptext = _("Export the map to file"))
895  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
896                  helptext = _("Print the map"))                  helptext = _("Print the map"))
897    _method_command("map_rename", _("&Rename..."), "RenameMap",
898  # Layer menu                  helptext = _("Rename the map"))
899  _method_command("layer_add", _("&Add Layer"), "AddLayer",  _method_command("layer_add", _("&Add Layer..."), "AddLayer",
900                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new layer to active map"))
901    _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
902                    helptext = _("Add a new image layer to active map"))
903  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
904                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer(s)"),
905                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
906  _method_command("layer_fill_color", _("&Fill Color"), "LayerFillColor",  
907                  helptext = _("Set the fill color of selected layer(s)"),  # Layer menu
908                  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)"),  
909                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
910  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
911                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer(s)"),
# Line 694  _method_command("layer_hide", _("&Hide") Line 922  _method_command("layer_hide", _("&Hide")
922  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
923                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
924                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
925    _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
926  _method_command("layer_classifier", _("Classify"), "Classify",                  sensitive = _has_selected_layer)
927    _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
928                    sensitive = _has_selected_layer)
929    _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
930                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
931    
932  # the menu structure  # Table menu
933  main_menu = Menu("<main>", "<main>",  _method_command("table_open", _("&Open..."), "TableOpen")
934                   [Menu("file", _("&File"),  _method_command("table_close", _("&Close"), "TableClose")
935                         ["new_session", "open_session", None,  _method_command("table_show", _("&Show"), "TableShow")
936                          "save_session", "save_session_as", None,  _method_command("table_join", _("&Join..."), "TableJoin")
937                          "show_session_tree", None,  
938                          "exit"]),  #  Export only under Windows ...
939                    Menu("map", _("&Map"),  map_menu = ["layer_add", "rasterlayer_add", "layer_remove", "map_rename",
                        ["layer_add", "layer_remove",  
940                          None,                          None,
941                          "map_projection",                          "map_projection",
942                          None,                          None,
943                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
944                          "map_pan_tool", "map_identify_tool", "map_label_tool",                          "map_pan_tool",
945                            "map_full_extent",
946                            "layer_full_extent",
947                            "selected_full_extent",
948                          None,                          None,
949                          "map_full_extent",                          "map_identify_tool", "map_label_tool",
950                          None,                          None,
951                          "map_print"]),                          "toggle_legend",
952                            None]
953    if wxPlatform == '__WXMSW__':
954        map_menu.append("map_export")
955    map_menu.append("map_print")
956    
957    # the menu structure
958    main_menu = Menu("<main>", "<main>",
959                     [Menu("file", _("&File"),
960                           ["new_session", "open_session", None,
961                            "save_session", "save_session_as", None,
962                            "toggle_session_tree", None,
963                            "exit"]),
964                      Menu("map", _("&Map"), map_menu),
965                    Menu("layer", _("&Layer"),                    Menu("layer", _("&Layer"),
966                         ["layer_fill_color", "layer_transparent_fill",                          ["layer_raise", "layer_lower",
                         "layer_outline_color", "layer_no_outline",  
                         None,  
                         "layer_raise", "layer_lower",  
967                          None,                          None,
968                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
969                          None,                          None,
970                            "layer_projection",
971                            None,
972                          "layer_show_table",                          "layer_show_table",
973                            "layer_jointable",
974                            "layer_unjointable",
975                          None,                          None,
976                          "layer_classifier"]),                          "layer_properties"]),
977                      Menu("table", _("&Table"),
978                           ["table_open", "table_close",
979                           None,
980                           "table_show",
981                           None,
982                           "table_join"]),
983                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
984                         ["help_about"])])                         ["help_about"])])
985    
# Line 734  main_menu = Menu("<main>", "<main>", Line 987  main_menu = Menu("<main>", "<main>",
987    
988  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
989                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
990                       "map_full_extent", None,                       "map_full_extent",
991                         "layer_full_extent",
992                         "selected_full_extent",
993                         None,
994                       "map_identify_tool", "map_label_tool"])                       "map_identify_tool", "map_label_tool"])
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