/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 316 by bh, Thu Sep 12 18:46:01 2002 UTC revision 653 by jonathan, Fri Apr 11 14:28:29 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]>
# Line 12  The main window Line 12  The main window
12    
13  __version__ = "$Revision$"  __version__ = "$Revision$"
14    
15    __ThubanVersion__ = "0.2" #"$THUBAN_0_2$"
16    #__BuildDate__ = "$Date$"
17    
18  import os  import os
19    
20  from wxPython.wx import *  from wxPython.wx import *
21    
22  import Thuban  import Thuban
23    from Thuban import _
24  from Thuban.Model.session import create_empty_session  from Thuban.Model.session import create_empty_session
25  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer
26  from Thuban.Model.color import Color  from Thuban.Model.color import Color
# Line 26  import view Line 30  import view
30  import tree  import tree
31  import proj4dialog  import proj4dialog
32  import tableview, identifyview  import tableview, identifyview
33    from Thuban.UI.classifier import Classifier
34    import legend
35  from menu import Menu  from menu import Menu
36    
37  from context import Context  from context import Context
38  from command import registry, Command  from command import registry, Command, ToolCommand
39  from messages import SELECTED_SHAPE, VIEW_POSITION  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION, DOCKABLE_DOCKED, DOCKABLE_UNDOCKED, DOCKABLE_CLOSED
40    
41    from Thuban.UI.dock import DockableWindow, DockFrame, DockPanel
42    
43    import resource
44    
45    
46  # the directory where the toolbar icons are stored  # the directory where the toolbar icons are stored
47  bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")
48  bitmapext = ".xpm"  bitmapext = ".xpm"
49    
50    ID_WINDOW_LEGEND = 4001
51    ID_WINDOW_CANVAS = 4002
52    
53    
54    class MainWindow(DockFrame):
55    
56  class MainWindow(wxFrame):      # Some messages that can be subscribed/unsubscribed directly through
57        # the MapCanvas come in fact from other objects. This is a map to
58        # map those messages to the names of the instance variables they
59        # actually come from. This delegation is implemented in the
60        # Subscribe and unsubscribed methods
61        delegated_messages = {LAYER_SELECTED: "canvas",
62                              SHAPES_SELECTED: "canvas"}
63    
64        # Methods delegated to some instance variables. The delegation is
65        # implemented in the __getattr__ method.
66        delegated_methods = {"SelectLayer": "canvas",
67                             "SelectShapes": "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 63  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.SetMainWindow(self.canvas)
101    
102            self.SetAutoLayout(True)
103    
104          self.init_dialogs()          self.init_dialogs()
105    
106          interactor.Subscribe(SELECTED_SHAPE, self.identify_view_on_demand)          EVT_CLOSE(self, self._OnClose)
107    
108        def Subscribe(self, channel, *args):
109            """Subscribe a function to a message channel.
110    
111          EVT_CLOSE(self, self.OnClose)          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"""
# Line 168  class MainWindow(wxFrame): Line 230  class MainWindow(wxFrame):
230                              command.IsCheckCommand())                              command.IsCheckCommand())
231                  self.bind_command_events(command, ID)                  self.bind_command_events(command, ID)
232              else:              else:
233                  print "Unknown command %s" % name                  print _("Unknown command %s") % name
234    
235      def add_toolbar_command(self, toolbar, name):      def add_toolbar_command(self, toolbar, name):
236          """Add the command with name name to the toolbar toolbar.          """Add the command with name name to the toolbar toolbar.
# Line 183  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())
253                  self.bind_command_events(command, ID)                  self.bind_command_events(command, ID)
254              else:              else:
255                  print "Unknown command %s" % name                  print _("Unknown command %s") % name
256    
257      def Context(self):      def Context(self):
258          """Return the context object for a command invoked from this window          """Return the context object for a command invoked from this window
# Line 203  class MainWindow(wxFrame): Line 265  class MainWindow(wxFrame):
265              command = registry.Command(name)              command = registry.Command(name)
266              command.Execute(self.Context())              command.Execute(self.Context())
267          else:          else:
268              print "Unknown command ID %d" % event.GetId()              print _("Unknown command ID %d") % event.GetId()
269    
270      def update_command_ui(self, event):      def update_command_ui(self, event):
271          #print "update_command_ui", self.id_to_name[event.GetId()]          #print "update_command_ui", self.id_to_name[event.GetId()]
272          context = self.Context()          context = self.Context()
273          command = registry.Command(self.id_to_name[event.GetId()])          command = registry.Command(self.id_to_name[event.GetId()])
274          if command is not None:          if command is not None:
275              event.Enable(command.Sensitive(context))              sensitive = command.Sensitive(context)
276                event.Enable(sensitive)
277                if command.IsTool() and not sensitive and command.Checked(context):
278                    # When a checked tool command is disabled deselect all
279                    # tools. Otherwise the tool would remain active but it
280                    # might lead to errors if the tools stays active. This
281                    # problem occurred in GREAT-ER and this fixes it, but
282                    # it's not clear to me whether this is really the best
283                    # way to do it (BH, 20021206).
284                    self.canvas.SelectTool(None)
285              event.SetText(command.DynText(context))              event.SetText(command.DynText(context))
286              if command.IsCheckCommand():              if command.IsCheckCommand():
287                  event.Check(command.Checked(context))                      event.Check(command.Checked(context))
288    
289      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):
290          """Run a modal message box with the given text, title and flags          """Run a modal message box with the given text, title and flags
# Line 233  class MainWindow(wxFrame): Line 304  class MainWindow(wxFrame):
304    
305      def add_dialog(self, name, dialog):      def add_dialog(self, name, dialog):
306          if self.dialogs.has_key(name):          if self.dialogs.has_key(name):
307              raise RuntimeError("The Dialog named %s is already open" % name)              raise RuntimeError(_("The Dialog named %s is already open") % name)
308          self.dialogs[name] = dialog          self.dialogs[name] = dialog
309    
310      def dialog_open(self, name):      def dialog_open(self, name):
# Line 251  class MainWindow(wxFrame): Line 322  class MainWindow(wxFrame):
322              text = "(%10.10g, %10.10g)" % pos              text = "(%10.10g, %10.10g)" % pos
323          else:          else:
324              text = ""              text = ""
325            self.set_position_text(text)
326    
327        def set_position_text(self, text):
328            """Set the statusbar text showing the current position.
329    
330            By default the text is shown in field 0 of the status bar.
331            Override this method in derived classes to put it into a
332            different field of the statusbar.
333            """
334          self.SetStatusText(text)          self.SetStatusText(text)
335    
336      def save_modified_session(self, can_veto = 1):      def save_modified_session(self, can_veto = 1):
# Line 266  class MainWindow(wxFrame): Line 346  class MainWindow(wxFrame):
346              flags = wxYES_NO | wxICON_QUESTION              flags = wxYES_NO | wxICON_QUESTION
347              if can_veto:              if can_veto:
348                  flags = flags | wxCANCEL                  flags = flags | wxCANCEL
349              result = self.RunMessageBox("Exit",              result = self.RunMessageBox(_("Exit"),
350                                          ("The session has been modified."                                          _("The session has been modified."
351                                           " Do you want to save it?"),                                           " Do you want to save it?"),
352                                          flags)                                          flags)
353              if result == wxID_YES:              if result == wxID_YES:
# Line 276  class MainWindow(wxFrame): Line 356  class MainWindow(wxFrame):
356              result = wxID_NO              result = wxID_NO
357          return result          return result
358    
359        def prepare_new_session(self):
360            for d in self.dialogs.values():
361                if not isinstance(d, tree.SessionTreeView):
362                    d.Close()
363    
364      def NewSession(self):      def NewSession(self):
365          self.save_modified_session()          self.save_modified_session()
366            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()          self.save_modified_session()
371          dlg = wxFileDialog(self, "Select a session file", ".", "",          dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)
                            "*.thuban", wxOPEN)  
372          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
373                self.prepare_new_session()
374              self.application.OpenSession(dlg.GetPath())              self.application.OpenSession(dlg.GetPath())
375          dlg.Destroy()          dlg.Destroy()
376    
377      def SaveSession(self):      def SaveSession(self):
378          if self.application.session.filename == None:          if self.application.session.filename == None:
379              self.SaveSessionAs()              self.SaveSessionAs()
380          self.application.SaveSession()          else:
381                self.application.SaveSession()
382    
383      def SaveSessionAs(self):      def SaveSessionAs(self):
384          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
385                             "*.thuban", wxOPEN)                             "*.thuban", wxOPEN)
386          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
387              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
# Line 302  class MainWindow(wxFrame): Line 389  class MainWindow(wxFrame):
389          dlg.Destroy()          dlg.Destroy()
390    
391      def Exit(self):      def Exit(self):
392          self.Close(false)          self.Close(False)
393    
394      def OnClose(self, event):      def _OnClose(self, event):
395          result = self.save_modified_session(can_veto = event.CanVeto())          result = self.save_modified_session(can_veto = event.CanVeto())
396          if result == wxID_CANCEL:          if result == wxID_CANCEL:
397              event.Veto()              event.Veto()
# Line 313  class MainWindow(wxFrame): Line 400  class MainWindow(wxFrame):
400              # wx's destroy event, but that isn't implemented for wxGTK              # wx's destroy event, but that isn't implemented for wxGTK
401              # yet.              # yet.
402              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
403                DockFrame._OnClose(self, event)
404              self.Destroy()              self.Destroy()
405    
406      def SetMap(self, map):      def SetMap(self, map):
407          self.canvas.SetMap(map)          self.canvas.SetMap(map)
408            self.__SetTitle(map.Title())
409            #self.legendPanel.SetMap(map)
410    
411      def Map(self):      def Map(self):
412          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
413    
414            # sanity check
415            #assert(self.canvas.Map() is self.legendPanel.GetMap())
416    
417          return self.canvas.Map()          return self.canvas.Map()
418    
419      def ShowSessionTree(self):      def ToggleSessionTree(self):
420            """If the session tree is shown close it otherwise create a new tree"""
421          name = "session_tree"          name = "session_tree"
422          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
423          if dialog is None:          if dialog is None:
424              dialog = tree.SessionTreeView(self, self.application, name)              dialog = tree.SessionTreeView(self, self.application, name)
425              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
426              dialog.Show(true)              dialog.Show(True)
427          else:          else:
428              # FIXME: bring dialog to front here              dialog.Close()
429              pass  
430        def SessionTreeShown(self):
431            """Return true iff the session tree is currently shown"""
432            return self.get_open_dialog("session_tree") is not None
433    
434      def About(self):      def About(self):
435          self.RunMessageBox("About",          self.RunMessageBox(_("About"),
436                             ("Thuban is a program for\n"                             _("Thuban v%s\n"
437                                #"Build Date: %s\n"
438                                "\n"
439                                "Thuban is a program for\n"
440                              "exploring geographic data.\n"                              "exploring geographic data.\n"
441                              "Copyright (C) 2001 Intevation GmbH.\n"                              "Copyright (C) 2001-2003 Intevation GmbH.\n"
442                              "Thuban is licensed under the GPL"),                              "Thuban is licensed under the GNU GPL"
443                               % __ThubanVersion__), #__BuildDate__)),
444                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
445    
446      def AddLayer(self):      def AddLayer(self):
447          dlg = wxFileDialog(self, "Select a data file", ".", "", "*.*",          dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",
448                             wxOPEN)                             wxOPEN)
449          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
450              filename = dlg.GetPath()              filename = dlg.GetPath()
# Line 354  class MainWindow(wxFrame): Line 456  class MainWindow(wxFrame):
456                  map.AddLayer(layer)                  map.AddLayer(layer)
457              except IOError:              except IOError:
458                  # the layer couldn't be opened                  # the layer couldn't be opened
459                  self.RunMessageBox("Add Layer",                  self.RunMessageBox(_("Add Layer"),
460                                     "Can't open the file '%s'." % filename)                                     _("Can't open the file '%s'.") % filename)
461              else:              else:
462                  if not has_layers:                  if not has_layers:
463                      # if we're adding a layer to an empty map, for the                      # if we're adding a layer to an empty map, fit the
464                      # new map to the window                      # new map to the window
465                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
466          dlg.Destroy()          dlg.Destroy()
# Line 371  class MainWindow(wxFrame): Line 473  class MainWindow(wxFrame):
473      def CanRemoveLayer(self):      def CanRemoveLayer(self):
474          """Return true if the currently selected layer can be deleted.          """Return true if the currently selected layer can be deleted.
475    
476          If no layer is selected return false.          If no layer is selected return False.
477    
478          The return value of this method determines whether the remove          The return value of this method determines whether the remove
479          layer command is sensitive in menu.          layer command is sensitive in menu.
# Line 379  class MainWindow(wxFrame): Line 481  class MainWindow(wxFrame):
481          layer = self.current_layer()          layer = self.current_layer()
482          if layer is not None:          if layer is not None:
483              return self.canvas.Map().CanRemoveLayer(layer)              return self.canvas.Map().CanRemoveLayer(layer)
484          return 0          return False
485    
486      def RaiseLayer(self):      def RaiseLayer(self):
487          layer = self.current_layer()          layer = self.current_layer()
# Line 396  class MainWindow(wxFrame): Line 498  class MainWindow(wxFrame):
498    
499          If no layer is selected, return None          If no layer is selected, return None
500          """          """
501          return self.interactor.SelectedLayer()          return self.canvas.SelectedLayer()
502    
503      def has_selected_layer(self):      def has_selected_layer(self):
504          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
505          return self.interactor.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
506    
507      def choose_color(self):      def choose_color(self):
508          """Run the color selection dialog and return the selected color.          """Run the color selection dialog and return the selected color.
# Line 418  class MainWindow(wxFrame): Line 520  class MainWindow(wxFrame):
520          dlg.Destroy()          dlg.Destroy()
521          return color          return color
522    
     def LayerFillColor(self):  
         layer = self.current_layer()  
         if layer is not None:  
             color = self.choose_color()  
             if color is not None:  
                 layer.SetFill(color)  
   
     def LayerTransparentFill(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetFill(None)  
   
     def LayerOutlineColor(self):  
         layer = self.current_layer()  
         if layer is not None:  
             color = self.choose_color()  
             if color is not None:  
                 layer.SetStroke(color)  
   
     def LayerNoOutline(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetStroke(None)  
   
523      def HideLayer(self):      def HideLayer(self):
524          layer = self.current_layer()          layer = self.current_layer()
525          if layer is not None:          if layer is not None:
# Line 459  class MainWindow(wxFrame): Line 537  class MainWindow(wxFrame):
537              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
538              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
539              if dialog is None:              if dialog is None:
540                  dialog = tableview.LayerTableFrame(self, self.interactor, name,                  dialog = tableview.LayerTableFrame(self, name,
541                                                     "Table: %s" % layer.Title(),                                                 _("Table: %s") % layer.Title(),
542                                                     layer, table)                                                     layer, table)
543                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
544                  dialog.Show(true)                  dialog.Show(true)
# Line 485  class MainWindow(wxFrame): Line 563  class MainWindow(wxFrame):
563              map.SetProjection(proj)              map.SetProjection(proj)
564          proj4Dlg.Destroy()          proj4Dlg.Destroy()
565    
566        def LayerEditProperties(self):
567    
568            #
569            # the menu option for this should only be available if there
570            # is a current layer, so we don't need to check if the
571            # current layer is None
572            #
573    
574            layer = self.current_layer()
575            self.OpenLayerProperties(layer)
576    
577        def OpenLayerProperties(self, layer, group = None):
578            name = "layer_properties" + str(id(layer))
579            dialog = self.get_open_dialog(name)
580    
581            if dialog is None:
582                dialog = Classifier(self, name, layer, group)
583                self.add_dialog(name, dialog)
584                dialog.Show()
585            dialog.Raise()
586    
587    
588        def ShowLegend(self):
589            if not self.LegendShown():
590                self.ToggleLegend()
591    
592        def ToggleLegend(self):
593            """Show the legend if it's not shown otherwise hide it again"""
594            name = "legend"
595            dialog = self.FindRegisteredDock(name)
596    
597            if dialog is None:
598                dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
599                legend.LegendPanel(dialog, None, self)
600                dialog.Dock()
601                dialog.GetPanel().SetMap(self.Map())
602                dialog.Show()
603            else:
604                dialog.Show(not dialog.IsShown())
605    
606        def LegendShown(self):
607            """Return true iff the legend is currently open"""
608            dialog = self.FindRegisteredDock("legend")
609            return dialog is not None and dialog.IsShown()
610    
611      def ZoomInTool(self):      def ZoomInTool(self):
612          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
613    
# Line 507  class MainWindow(wxFrame): Line 630  class MainWindow(wxFrame):
630      def PrintMap(self):      def PrintMap(self):
631          self.canvas.Print()          self.canvas.Print()
632    
633      def identify_view_on_demand(self, layer, shape):      def RenameMap(self):
634            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
635                                    self.Map().Title())
636            if dlg.ShowModal() == wxID_OK:
637                title = dlg.GetValue()
638                if title != "":
639                    self.Map().SetTitle(title)
640                    self.__SetTitle(title)
641    
642            dlg.Destroy()
643    
644        def identify_view_on_demand(self, layer, shapes):
645          name = "identify_view"          name = "identify_view"
646          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
647              if not self.dialog_open(name):              if not self.dialog_open(name):
648                  dialog = identifyview.IdentifyView(self, self.interactor, name)                  dialog = identifyview.IdentifyView(self, name)
649                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
650                  dialog.Show(true)                  dialog.Show(True)
651              else:              else:
652                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
653                  pass                  pass
654    
655        def __SetTitle(self, title):
656            self.SetTitle("Thuban - " + title)
657    
658  #  #
659  # Define all the commands available in the main window  # Define all the commands available in the main window
660  #  #
# Line 529  def call_method(context, methodname, *ar Line 666  def call_method(context, methodname, *ar
666      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
667    
668  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
669                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
670      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
671      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
672                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
673                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
674    
675  def make_check_current_tool(toolname):  def make_check_current_tool(toolname):
676      """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 549  def make_check_current_tool(toolname): Line 686  def make_check_current_tool(toolname):
686  def _tool_command(name, title, method, toolname, helptext = "",  def _tool_command(name, title, method, toolname, helptext = "",
687                    icon = "", sensitive = None):                    icon = "", sensitive = None):
688      """Add a tool command"""      """Add a tool command"""
689      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(ToolCommand(name, title, call_method, args=(method,),
690                           helptext = helptext, icon = icon,                               helptext = helptext, icon = icon,
691                           checked = make_check_current_tool(toolname),                               checked = make_check_current_tool(toolname),
692                           sensitive = sensitive))                               sensitive = sensitive))
693    
694  def _has_selected_layer(context):  def _has_selected_layer(context):
695      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
# Line 563  def _can_remove_layer(context): Line 700  def _can_remove_layer(context):
700    
701  def _has_tree_window_shown(context):  def _has_tree_window_shown(context):
702      """Return true if the tree window is shown"""      """Return true if the tree window is shown"""
703      return context.mainwindow.get_open_dialog("session_tree") is None      return context.mainwindow.SessionTreeShown()
704    
705  def _has_visible_map(context):  def _has_visible_map(context):
706      """Return true iff theres a visible map in the mainwindow.      """Return true iff theres a visible map in the mainwindow.
# Line 576  def _has_visible_map(context): Line 713  def _has_visible_map(context):
713                  return 1                  return 1
714      return 0      return 0
715    
716    def _has_legend_shown(context):
717        """Return true if the legend window is shown"""
718        return context.mainwindow.LegendShown()
719    
720    
721  # File menu  # File menu
722  _method_command("new_session", "&New Session", "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
723  _method_command("open_session", "&Open Session", "OpenSession")  _method_command("open_session", _("&Open Session"), "OpenSession")
724  _method_command("save_session", "&Save Session", "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
725  _method_command("save_session_as", "Save Session &As", "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")
726  _method_command("show_session_tree", "Show Session &Tree", "ShowSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
727                  sensitive = _has_tree_window_shown)                  checked = _has_tree_window_shown)
728  _method_command("exit", "E&xit", "Exit")  _method_command("toggle_legend", _("Legend"), "ToggleLegend",
729                    checked = _has_legend_shown)
730    _method_command("exit", _("E&xit"), "Exit")
731    
732  # Help menu  # Help menu
733  _method_command("help_about", "&About", "About")  _method_command("help_about", _("&About"), "About")
734    
735    
736  # Map menu  # Map menu
737  _method_command("map_projection", "Pro&jection", "Projection")  _method_command("map_projection", _("Pro&jection"), "Projection")
738    
739  _tool_command("map_zoom_in_tool", "&Zoom in", "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
740                helptext = "Switch to map-mode 'zoom-in'", icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
741                sensitive = _has_visible_map)                sensitive = _has_visible_map)
742  _tool_command("map_zoom_out_tool", "Zoom &out", "ZoomOutTool", "ZoomOutTool",  _tool_command("map_zoom_out_tool", _("Zoom &out"), "ZoomOutTool", "ZoomOutTool",
743                helptext = "Switch to map-mode 'zoom-out'", icon = "zoom_out",                helptext = _("Switch to map-mode 'zoom-out'"), icon = "zoom_out",
744                sensitive = _has_visible_map)                sensitive = _has_visible_map)
745  _tool_command("map_pan_tool", "&Pan", "PanTool", "PanTool",  _tool_command("map_pan_tool", _("&Pan"), "PanTool", "PanTool",
746                helptext = "Switch to map-mode 'pan'", icon = "pan",                helptext = _("Switch to map-mode 'pan'"), icon = "pan",
747                sensitive = _has_visible_map)                sensitive = _has_visible_map)
748  _tool_command("map_identify_tool", "&Identify", "IdentifyTool", "IdentifyTool",  _tool_command("map_identify_tool", _("&Identify"), "IdentifyTool",
749                helptext = "Switch to map-mode 'identify'", icon = "identify",                "IdentifyTool",
750                  helptext = _("Switch to map-mode 'identify'"), icon = "identify",
751                sensitive = _has_visible_map)                sensitive = _has_visible_map)
752  _tool_command("map_label_tool", "&Label", "LabelTool", "LabelTool",  _tool_command("map_label_tool", _("&Label"), "LabelTool", "LabelTool",
753                helptext = "Add/Remove labels", icon = "label",                helptext = _("Add/Remove labels"), icon = "label",
754                sensitive = _has_visible_map)                sensitive = _has_visible_map)
755  _method_command("map_full_extent", "&Full extent", "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
756                 helptext = "Full Extent", icon = "fullextent",                 helptext = _("Full Extent"), icon = "fullextent",
757                sensitive = _has_visible_map)                sensitive = _has_visible_map)
758  _method_command("map_print", "Prin&t", "PrintMap", helptext = "Print the map")  _method_command("map_print", _("Prin&t"), "PrintMap",
759                    helptext = _("Print the map"))
760    _method_command("map_rename", _("&Rename"), "RenameMap",
761                    helptext = _("Rename the map"))
762    
763  # Layer menu  # Layer menu
764  _method_command("layer_add", "&Add Layer", "AddLayer",  _method_command("layer_add", _("&Add Layer"), "AddLayer",
765                  helptext = "Add a new layer to active map")                  helptext = _("Add a new layer to active map"))
766  _method_command("layer_remove", "&Remove Layer", "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
767                  helptext = "Remove selected layer(s)",                  helptext = _("Remove selected layer(s)"),
768                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
769  _method_command("layer_fill_color", "&Fill Color", "LayerFillColor",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
770                  helptext = "Set the fill color of selected layer(s)",                  helptext = _("Raise selected layer(s)"),
                 sensitive = _has_selected_layer)  
 _method_command("layer_transparent_fill", "&Transparent Fill",  
                 "LayerTransparentFill",  
                 helptext = "Do not fill the selected layer(s)",  
                 sensitive = _has_selected_layer)  
 _method_command("layer_outline_color", "&Outline Color", "LayerOutlineColor",  
                 helptext = "Set the outline color of selected layer(s)",  
771                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
772  _method_command("layer_no_outline", "&No Outline", "LayerNoOutline",  _method_command("layer_lower", _("&Lower"), "LowerLayer",
773                  helptext = "Do not draw the outline of the selected layer(s)",                  helptext = _("Lower selected layer(s)"),
774                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
775  _method_command("layer_raise", "&Raise", "RaiseLayer",  _method_command("layer_show", _("&Show"), "ShowLayer",
776                  helptext = "Raise selected layer(s)",                  helptext = _("Make selected layer(s) visible"),
777                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
778  _method_command("layer_lower", "&Lower", "LowerLayer",  _method_command("layer_hide", _("&Hide"), "HideLayer",
779                  helptext = "Lower selected layer(s)",                  helptext = _("Make selected layer(s) unvisible"),
780                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
781  _method_command("layer_show", "&Show", "ShowLayer",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
782                  helptext = "Make selected layer(s) visible",                  helptext = _("Show the selected layer's table"),
783                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
784  _method_command("layer_hide", "&Hide", "HideLayer",  _method_command("layer_properties", _("Properties"), "LayerEditProperties",
                 helptext = "Make selected layer(s) unvisible",  
785                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
 _method_command("layer_show_table", "Show Ta&ble", "LayerShowTable",  
                 helptext = "Show the selected layer's table",  
                 sensitive = _has_selected_layer)  
   
786    
787  # the menu structure  # the menu structure
788  main_menu = Menu("<main>", "<main>",  main_menu = Menu("<main>", "<main>",
789                   [Menu("file", "&File",                   [Menu("file", _("&File"),
790                         ["new_session", "open_session", None,                         ["new_session", "open_session", None,
791                          "save_session", "save_session_as", None,                          "save_session", "save_session_as", None,
792                          "show_session_tree", None,                          "toggle_session_tree", None,
793                          "exit"]),                          "exit"]),
794                    Menu("map", "&Map",                    Menu("map", _("&Map"),
795                         ["layer_add", "layer_remove",                         ["layer_add", "layer_remove",
796                          None,                          None,
797                          "map_projection",                          "map_projection",
# Line 666  main_menu = Menu("<main>", "<main>", Line 801  main_menu = Menu("<main>", "<main>",
801                          None,                          None,
802                          "map_full_extent",                          "map_full_extent",
803                          None,                          None,
804                          "map_print"]),                          "toggle_legend",
                   Menu("layer", "&Layer",  
                        ["layer_fill_color", "layer_transparent_fill",  
                         "layer_outline_color", "layer_no_outline",  
805                          None,                          None,
806                          "layer_raise", "layer_lower",                          "map_print",
807                            None,
808                            "map_rename"]),
809                      Menu("layer", _("&Layer"),
810                            ["layer_raise", "layer_lower",
811                          None,                          None,
812                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
813                          None,                          None,
814                          "layer_show_table"]),                          "layer_show_table",
815                    Menu("help", "&Help",                          None,
816                            "layer_properties"]),
817                      Menu("help", _("&Help"),
818                         ["help_about"])])                         ["help_about"])])
819    
820  # the main toolbar  # the main toolbar
821    
822  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
823                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
824                       "map_identify_tool", "map_label_tool", "map_full_extent"])                       "map_full_extent", None,
825                         "map_identify_tool", "map_label_tool"])
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