/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
ViewVC logotype

Diff of /branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 33 by bh, Thu Sep 6 15:31:31 2001 UTC revision 1667 by bh, Thu Aug 28 10:21:05 2003 UTC
# Line 1  Line 1 
1  # Copyright (C) 2001 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 11  The main window Line 12  The main window
12  """  """
13    
14  __version__ = "$Revision$"  __version__ = "$Revision$"
15    # $Source$
16    # $Id$
17    
18  import sys, os  import os
19    import copy
20    
21  from wxPython.wx import *  from wxPython.wx import *
22    
23  import Thuban  import Thuban
24  from Thuban.Model.session import Session  
25  from Thuban.Model.map import Map  from Thuban import _
26  from Thuban.Model.layer import Layer  from Thuban.Model.session import create_empty_session
27  from Thuban.Model.color import Color  from Thuban.Model.layer import Layer, RasterLayer
28  from Thuban.Model.proj import Projection  from Thuban.Model.postgisdb import PostGISShapeStore, has_postgis_support
29    # XXX: replace this by
30    # from wxPython.lib.dialogs import wxMultipleChoiceDialog
31    # when Thuban does not support wxPython 2.4.0 any more.
32    from Thuban.UI.multiplechoicedialog import wxMultipleChoiceDialog
33    
34  import view  import view
35  import tree  import tree
 import proj4dialog  
36  import tableview, identifyview  import tableview, identifyview
37    from Thuban.UI.classifier import Classifier
38    import legend
39    from menu import Menu
40    
41    from context import Context
42    from command import registry, Command, ToolCommand
43    from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION, \
44         MAP_REPLACED
45    from about import About
46    
47    from Thuban.UI.dock import DockFrame
48    from Thuban.UI.join import JoinDialog
49    from Thuban.UI.dbdialog import DBFrame, DBDialog, ChooseDBTableDialog
50    import resource
51    import Thuban.Model.resource
52    
53    import projdialog
54    
55    
56    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                              MAP_REPLACED: "canvas"}
66    
67        # Methods delegated to some instance variables. The delegation is
68        # implemented in the __getattr__ method.
69        delegated_methods = {"SelectLayer": "canvas",
70                             "SelectShapes": "canvas",
71                             "SelectedLayer": "canvas",
72                             "SelectedShapes": "canvas",
73                             }
74    
75        def __init__(self, parent, ID, title, application, interactor,
76                     initial_message = None, size = wxSize(-1, -1)):
77            DockFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
78            #wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
79    
80  import main          self.application = application
 from command import registry, Command  
 from messages import SELECTED_SHAPE  
   
   
 # the directory where the toolbar icons are stored  
 bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  
 bitmapext = ".xpm"  
   
   
 class MainWindow(wxFrame):  
   
     def __init__(self, parent, ID, interactor):  
         wxFrame.__init__(self, parent, ID, 'Thuban',  
                          wxDefaultPosition, wxSize(400, 300))  
81    
82          self.CreateStatusBar()          self.CreateStatusBar()
83          self.SetStatusText("This is the wxPython-based "          if initial_message:
84                        "Graphical User Interface for exploring geographic data")              self.SetStatusText(initial_message)
85    
86          self.identify_view = None          self.identify_view = None
87    
88          self.init_ids()          self.init_ids()
89    
90          menuBar = wxMenuBar()          # creat the menubar from the main_menu description
91            self.SetMenuBar(self.build_menu_bar(main_menu))
92    
93          menu = wxMenu()          # Similarly, create the toolbar from main_toolbar
94          menuBar.Append(menu, "&File");          toolbar = self.build_toolbar(main_toolbar)
         for name in ["new_session", "open_session", None,  
                      "save_session", "save_session_as", None,  
                      "exit"]:  
             self.add_menu_command(menu, name)  
   
         menu = wxMenu()  
         menuBar.Append(menu, "&Map");  
         for name in ["map_projection",  
                      None,  
                      "map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",  
                      "map_identify_tool", "map_label_tool",  
                      None,  
                      "map_full_extent",  
                      None,  
                      "map_print"]:  
             self.add_menu_command(menu, name)  
   
         menu = wxMenu()  
         menuBar.Append(menu, "&Layer");  
         for name in ["layer_add", "layer_remove",  
                      None,  
                      "layer_fill_color", "layer_transparent_fill",  
                      "layer_ourline_color", "layer_no_outline",  
                      None,  
                      "layer_raise", "layer_lower",  
                      None,  
                      "layer_show", "layer_hide",  
                      None,  
                      "layer_show_table"]:  
             self.add_menu_command(menu, name)  
   
         menu = wxMenu()  
         menuBar.Append(menu, "&Help");  
         self.add_menu_command(menu, "help_about")  
   
         self.SetMenuBar(menuBar)  
   
         # toolbar  
         toolbar = self.CreateToolBar(wxTB_3DBUTTONS)  
         for name in ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",  
                      "map_identify_tool", "map_label_tool"]:  
             self.add_toolbar_command(toolbar, name)  
95          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
96          toolbar.Realize()          toolbar.Realize()
97    
98    
99          # Create the map canvas          # Create the map canvas
100          canvas = view.MapCanvas(self, -1, interactor)          canvas = view.MapCanvas(self, -1)
101            canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
102            canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)
103          self.canvas = canvas          self.canvas = canvas
104    
105            self.SetMainWindow(self.canvas)
106    
107            self.SetAutoLayout(True)
108    
109          self.init_dialogs()          self.init_dialogs()
110    
111          interactor.Subscribe(SELECTED_SHAPE, self.identify_view_on_demand)          self.ShowLegend()
112    
113          EVT_CLOSE(self, self.OnClose)          EVT_CLOSE(self, self.OnClose)
114    
115        def Subscribe(self, channel, *args):
116            """Subscribe a function to a message channel.
117    
118            If channel is one of the delegated messages call the appropriate
119            object's Subscribe method. Otherwise do nothing.
120            """
121            if channel in self.delegated_messages:
122                object = getattr(self, self.delegated_messages[channel])
123                object.Subscribe(channel, *args)
124            else:
125                print "Trying to subscribe to unsupported channel %s" % channel
126    
127        def Unsubscribe(self, channel, *args):
128            """Unsubscribe a function from a message channel.
129    
130            If channel is one of the delegated messages call the appropriate
131            object's Unsubscribe method. Otherwise do nothing.
132            """
133            if channel in self.delegated_messages:
134                object = getattr(self, self.delegated_messages[channel])
135                object.Unsubscribe(channel, *args)
136    
137        def __getattr__(self, attr):
138            """If attr is one of the delegated methods return that method
139    
140            Otherwise raise AttributeError.
141            """
142            if attr in self.delegated_methods:
143                return getattr(getattr(self, self.delegated_methods[attr]), attr)
144            raise AttributeError(attr)
145    
146      def init_ids(self):      def init_ids(self):
147          """Initialize the ids"""          """Initialize the ids"""
148          self.current_id = 6000          self.current_id = 6000
149          self.id_to_name = {}          self.id_to_name = {}
150          self.name_to_id = {}          self.name_to_id = {}
151            self.events_bound = {}
152    
153      def get_id(self, name):      def get_id(self, name):
154          """Return the wxWindows id for the command named name.          """Return the wxWindows id for the command named name.
# Line 128  class MainWindow(wxFrame): Line 161  class MainWindow(wxFrame):
161              self.name_to_id[name] = ID              self.name_to_id[name] = ID
162              self.id_to_name[ID] = name              self.id_to_name[ID] = name
163          return ID          return ID
164            
165        def bind_command_events(self, command, ID):
166            """Bind the necessary events for the given command and ID"""
167            if not self.events_bound.has_key(ID):
168                # the events haven't been bound yet
169                EVT_MENU(self, ID, self.invoke_command)
170                if command.IsDynamic():
171                    EVT_UPDATE_UI(self, ID, self.update_command_ui)
172    
173        def build_menu_bar(self, menudesc):
174            """Build and return the menu bar from the menu description"""
175            menu_bar = wxMenuBar()
176    
177            for item in menudesc.items:
178                # here the items must all be Menu instances themselves
179                menu_bar.Append(self.build_menu(item), item.title)
180    
181            return menu_bar
182    
183        def build_menu(self, menudesc):
184            """Return a wxMenu built from the menu description menudesc"""
185            wxmenu = wxMenu()
186            last = None
187            for item in menudesc.items:
188                if item is None:
189                    # a separator. Only add one if the last item was not a
190                    # separator
191                    if last is not None:
192                        wxmenu.AppendSeparator()
193                elif isinstance(item, Menu):
194                    # a submenu
195                    wxmenu.AppendMenu(wxNewId(), item.title, self.build_menu(item))
196                else:
197                    # must the name the name of a command
198                    self.add_menu_command(wxmenu, item)
199                last = item
200            return wxmenu
201    
202        def build_toolbar(self, toolbardesc):
203            """Build and return the main toolbar window from a toolbar description
204    
205            The parameter should be an instance of the Menu class but it
206            should not contain submenus.
207            """
208            toolbar = self.CreateToolBar(wxTB_3DBUTTONS)
209    
210            # set the size of the tools' bitmaps. Not needed on wxGTK, but
211            # on Windows, although it doesn't work very well there. It seems
212            # that only 16x16 icons are really supported on windows.
213            # We probably shouldn't hardwire the bitmap size here.
214            toolbar.SetToolBitmapSize(wxSize(24, 24))
215    
216            for item in toolbardesc.items:
217                if item is None:
218                    toolbar.AddSeparator()
219                else:
220                    # assume it's a string.
221                    self.add_toolbar_command(toolbar, item)
222    
223            return toolbar
224    
225      def add_menu_command(self, menu, name):      def add_menu_command(self, menu, name):
226          """Add the command with name name to the menu menu.          """Add the command with name name to the menu menu.
227    
# Line 142  class MainWindow(wxFrame): Line 235  class MainWindow(wxFrame):
235                  ID = self.get_id(name)                  ID = self.get_id(name)
236                  menu.Append(ID, command.Title(), command.HelpText(),                  menu.Append(ID, command.Title(), command.HelpText(),
237                              command.IsCheckCommand())                              command.IsCheckCommand())
238                  EVT_MENU(self, ID, self.invoke_command)                  self.bind_command_events(command, ID)
                 if command.IsDynamic():  
                     EVT_UPDATE_UI(self, ID, self.update_command_ui)  
239              else:              else:
240                  print "Unknown command %s" % name                  print _("Unknown command %s") % name
241    
242      def add_toolbar_command(self, toolbar, name):      def add_toolbar_command(self, toolbar, name):
243          """Add the command with name name to the toolbar toolbar.          """Add the command with name name to the toolbar toolbar.
# Line 161  class MainWindow(wxFrame): Line 252  class MainWindow(wxFrame):
252              command = registry.Command(name)              command = registry.Command(name)
253              if command is not None:              if command is not None:
254                  ID = self.get_id(name)                  ID = self.get_id(name)
255                  filename = os.path.join(bitmapdir, command.Icon()) + bitmapext                  bitmap = resource.GetBitmapResource(command.Icon(),
256                  bitmap = wxBitmap(filename, wxBITMAP_TYPE_XPM)                                                      wxBITMAP_TYPE_XPM)
257                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
258                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
259                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
260                    self.bind_command_events(command, ID)
261              else:              else:
262                  print "Unknown command %s" % name                  print _("Unknown command %s") % name
263    
264        def Context(self):
265            """Return the context object for a command invoked from this window
266            """
267            return Context(self.application, self.application.Session(), self)
268    
269      def invoke_command(self, event):      def invoke_command(self, event):
270          name = self.id_to_name.get(event.GetId())          name = self.id_to_name.get(event.GetId())
271          if name is not None:          if name is not None:
272              command = registry.Command(name)              command = registry.Command(name)
273              command.Execute(self)              command.Execute(self.Context())
274          else:          else:
275              print "Unknown command ID %d" % event.GetId()              print _("Unknown command ID %d") % event.GetId()
276    
277      def update_command_ui(self, event):      def update_command_ui(self, event):
278          #print "update_command_ui", self.id_to_name[event.GetId()]          #print "update_command_ui", self.id_to_name[event.GetId()]
279            context = self.Context()
280          command = registry.Command(self.id_to_name[event.GetId()])          command = registry.Command(self.id_to_name[event.GetId()])
281          if command is not None:          if command is not None:
282              event.Enable(command.Sensitive(self))              sensitive = command.Sensitive(context)
283              event.SetText(command.DynText(self))              event.Enable(sensitive)
284                if command.IsTool() and not sensitive and command.Checked(context):
285                    # When a checked tool command is disabled deselect all
286                    # tools. Otherwise the tool would remain active but it
287                    # might lead to errors if the tools stays active. This
288                    # problem occurred in GREAT-ER and this fixes it, but
289                    # it's not clear to me whether this is really the best
290                    # way to do it (BH, 20021206).
291                    self.canvas.SelectTool(None)
292                event.SetText(command.DynText(context))
293              if command.IsCheckCommand():              if command.IsCheckCommand():
294                  event.Check(command.Checked(self))                      event.Check(command.Checked(context))
295    
296      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):
297          """Run a modla message box with the given text, title and flags          """Run a modal message box with the given text, title and flags
298          and return the result"""          and return the result"""
299          dlg = wxMessageDialog(self, text, title, flags)          dlg = wxMessageDialog(self, text, title, flags)
300            dlg.CenterOnParent()
301          result = dlg.ShowModal()          result = dlg.ShowModal()
302          dlg.Destroy()          dlg.Destroy()
303          return result          return result
# Line 203  class MainWindow(wxFrame): Line 311  class MainWindow(wxFrame):
311    
312      def add_dialog(self, name, dialog):      def add_dialog(self, name, dialog):
313          if self.dialogs.has_key(name):          if self.dialogs.has_key(name):
314              raise RuntimeError("The Dialog named %s is already open" % name)              raise RuntimeError(_("The Dialog named %s is already open") % name)
315          self.dialogs[name] = dialog          self.dialogs[name] = dialog
316    
317      def dialog_open(self, name):      def dialog_open(self, name):
# Line 215  class MainWindow(wxFrame): Line 323  class MainWindow(wxFrame):
323      def get_open_dialog(self, name):      def get_open_dialog(self, name):
324          return self.dialogs.get(name)          return self.dialogs.get(name)
325    
326        def view_position_changed(self):
327            pos = self.canvas.CurrentPosition()
328            if pos is not None:
329                text = "(%10.10g, %10.10g)" % pos
330            else:
331                text = ""
332            self.set_position_text(text)
333    
334        def set_position_text(self, text):
335            """Set the statusbar text showing the current position.
336    
337            By default the text is shown in field 0 of the status bar.
338            Override this method in derived classes to put it into a
339            different field of the statusbar.
340            """
341            self.SetStatusText(text)
342    
343        def save_modified_session(self, can_veto = 1):
344            """If the current session has been modified, ask the user
345            whether to save it and do so if requested. Return the outcome of
346            the dialog (either wxID_OK, wxID_CANCEL or wxID_NO). If the
347            dialog wasn't run return wxID_NO.
348    
349            If the can_veto parameter is true (default) the dialog includes
350            a cancel button, otherwise not.
351            """
352            if self.application.session.WasModified():
353                flags = wxYES_NO | wxICON_QUESTION
354                if can_veto:
355                    flags = flags | wxCANCEL
356                result = self.RunMessageBox(_("Exit"),
357                                            _("The session has been modified."
358                                             " Do you want to save it?"),
359                                            flags)
360                if result == wxID_YES:
361                    self.SaveSession()
362            else:
363                result = wxID_NO
364            return result
365    
366      def NewSession(self):      def NewSession(self):
367          session = Session("")          if self.save_modified_session() != wxID_CANCEL:
368          session.AddMap(Map(""))              self.application.SetSession(create_empty_session())
         main.app.SetSession(session)  
369    
370      def OpenSession(self):      def OpenSession(self):
371          dlg = wxFileDialog(self, "Select a session file", ".", "",          if self.save_modified_session() != wxID_CANCEL:
372                             "*.session", wxOPEN)              dlg = wxFileDialog(self, _("Open Session"), ".", "",
373          if dlg.ShowModal() == wxID_OK:                                 "Thuban Session File (*.thuban)|*.thuban",
374              main.app.OpenSession(dlg.GetPath())                                 wxOPEN)
375          dlg.Destroy()              if dlg.ShowModal() == wxID_OK:
376                    self.application.OpenSession(dlg.GetPath(),
377                                                 self.run_db_param_dialog)
378                dlg.Destroy()
379    
380        def run_db_param_dialog(self, parameters, message):
381            dlg = DBDialog(self, _("DB Connection Parameters"), parameters,
382                           message)
383            return dlg.RunDialog()
384    
385      def SaveSession(self):      def SaveSession(self):
386          main.app.SaveSession()          if self.application.session.filename == None:
387                self.SaveSessionAs()
388            else:
389                self.application.SaveSession()
390    
391      def SaveSessionAs(self):      def SaveSessionAs(self):
392          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
393                             "*.session", wxOPEN)                             "Thuban Session File (*.thuban)|*.thuban",
394                               wxSAVE|wxOVERWRITE_PROMPT)
395          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
396              main.app.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
397              main.app.SaveSession()              self.application.SaveSession()
398          dlg.Destroy()          dlg.Destroy()
399    
400      def Exit(self):      def Exit(self):
401          self.Close(false)          self.Close(False)
402    
403      def OnClose(self, event):      def OnClose(self, event):
404          veto = 0          result = self.save_modified_session(can_veto = event.CanVeto())
405          if main.app.session.WasModified():          if result == wxID_CANCEL:
             flags = wxYES_NO | wxICON_QUESTION  
             if event.CanVeto():  
                 flags = flags | wxCANCEL  
             result = self.RunMessageBox("Exit",  
                                         ("The session has been modified."  
                                          " Do you want to save it?"),  
                                         flags)  
             if result == wxID_YES:  
                 self.SaveSession()  
             elif result == wxID_CANCEL:  
                 veto = 1  
   
         if veto:  
406              event.Veto()              event.Veto()
407          else:          else:
408                # FIXME: it would be better to tie the unsubscription to
409                # wx's destroy event, but that isn't implemented for wxGTK
410                # yet.
411                self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
412                DockFrame.OnClose(self, event)
413                for dlg in self.dialogs.values():
414                    dlg.Destroy()
415                self.canvas.Destroy()
416              self.Destroy()              self.Destroy()
417    
418      def SetMap(self, map):      def SetMap(self, map):
419          self.canvas.SetMap(map)          self.canvas.SetMap(map)
420            self.__SetTitle(map.Title())
421    
422            dialog = self.FindRegisteredDock("legend")
423            if dialog is not None:
424                dialog.GetPanel().SetMap(self.Map())
425    
426        def Map(self):
427            """Return the map displayed by this mainwindow"""
428    
429            return self.canvas.Map()
430    
431        def ToggleSessionTree(self):
432            """If the session tree is shown close it otherwise create a new tree"""
433            name = "session_tree"
434            dialog = self.get_open_dialog(name)
435            if dialog is None:
436                dialog = tree.SessionTreeView(self, self.application, name)
437                self.add_dialog(name, dialog)
438                dialog.Show(True)
439            else:
440                dialog.Close()
441    
442        def SessionTreeShown(self):
443            """Return true iff the session tree is currently shown"""
444            return self.get_open_dialog("session_tree") is not None
445    
446      def About(self):      def About(self):
447          self.RunMessageBox("About",          dlg = About(self)
448                             ("Thuban is a program for\n"          dlg.ShowModal()
449                              "exploring geographic data.\n"          dlg.Destroy()
450                              "Copyright (C) 2001 Intevation GmbH.\n"  
451                              "Thuban is licensed under the GPL"),      def DatabaseManagement(self):
452                             wxOK | wxICON_INFORMATION)          name = "dbmanagement"
453            dialog = self.get_open_dialog(name)
454            if dialog is None:
455                map = self.canvas.Map()
456                dialog = DBFrame(self, name, self.application.Session())
457                self.add_dialog(name, dialog)
458                dialog.Show()
459            dialog.Raise()
460    
461      def AddLayer(self):      def AddLayer(self):
462          dlg = wxFileDialog(self, "Select a session file", ".", "", "*.*",          dlg = wxFileDialog(self, _("Select one or more data files"), ".", "",
463                               _("Shapefiles (*.shp)") + "|*.shp|" +
464                               _("All Files (*.*)") + "|*.*",
465                               wxOPEN | wxMULTIPLE)
466            if dlg.ShowModal() == wxID_OK:
467                filenames = dlg.GetPaths()
468                for filename in filenames:
469                    title = os.path.splitext(os.path.basename(filename))[0]
470                    map = self.canvas.Map()
471                    has_layers = map.HasLayers()
472                    try:
473                        store = self.application.Session().OpenShapefile(filename)
474                    except IOError:
475                        # the layer couldn't be opened
476                        self.RunMessageBox(_("Add Layer"),
477                                           _("Can't open the file '%s'.")%filename)
478                    else:
479                        layer = Layer(title, store)
480                        map.AddLayer(layer)
481                        if not has_layers:
482                            # if we're adding a layer to an empty map, fit the
483                            # new map to the window
484                            self.canvas.FitMapToWindow()
485            dlg.Destroy()
486    
487        def AddRasterLayer(self):
488            dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",
489                             wxOPEN)                             wxOPEN)
490          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
491              filename = dlg.GetPath()              filename = dlg.GetPath()
492              title = os.path.splitext(os.path.basename(filename))[0]              title = os.path.splitext(os.path.basename(filename))[0]
             layer = Layer(title, filename)  
493              map = self.canvas.Map()              map = self.canvas.Map()
494              has_layers = map.HasLayers()              has_layers = map.HasLayers()
495              try:              try:
496                  map.AddLayer(layer)                  layer = RasterLayer(title, filename)
497              except IOError:              except IOError:
498                  # the layer couldn't be opened                  # the layer couldn't be opened
499                  self.RunMessageBox("Add Layer",                  self.RunMessageBox(_("Add Image Layer"),
500                                     "Can't open the file '%s'." % filename)                                     _("Can't open the file '%s'.") % filename)
501              else:              else:
502                    map.AddLayer(layer)
503                  if not has_layers:                  if not has_layers:
504                      # if we're adding a layer to an empty map, for the                      # if we're adding a layer to an empty map, fit the
505                      # new map to the window                      # new map to the window
506                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
507          dlg.Destroy()          dlg.Destroy()
508    
509        def AddDBLayer(self):
510            """Add a layer read from a database"""
511            session = self.application.Session()
512            dlg = ChooseDBTableDialog(self.application.Session(), self,-1, "")
513    
514            if dlg.ShowModal() == wxID_OK:
515                dbconn, dbtable = dlg.GetTable()
516                try:
517                    title = str(dbtable)
518    
519                    # Chose the correct Interface for the database type
520                    store = PostGISShapeStore(dbconn, dbtable)
521                    session.AddShapeStore(store)
522                    layer = Layer(title, store)
523                except:
524                    # Some error occured while initializing the layer
525                    self.RunMessageBox(_("Add Layer from database"),
526                                       _("Can't open the database table '%s'")
527                                       % dbtable)
528    
529                map = self.canvas.Map()
530    
531                has_layers = map.HasLayers()
532                map.AddLayer(layer)
533                if not has_layers:
534                    self.canvas.FitMapToWindow()
535    
536            dlg.Destroy()
537    
538      def RemoveLayer(self):      def RemoveLayer(self):
539          layer = self.current_layer()          layer = self.current_layer()
540          if layer is not None:          if layer is not None:
541              self.canvas.Map().RemoveLayer(layer)              self.canvas.Map().RemoveLayer(layer)
542    
543        def CanRemoveLayer(self):
544            """Return true if the currently selected layer can be deleted.
545    
546            If no layer is selected return False.
547    
548            The return value of this method determines whether the remove
549            layer command is sensitive in menu.
550            """
551            layer = self.current_layer()
552            if layer is not None:
553                return self.canvas.Map().CanRemoveLayer(layer)
554            return False
555    
556      def RaiseLayer(self):      def RaiseLayer(self):
557          layer = self.current_layer()          layer = self.current_layer()
558          if layer is not None:          if layer is not None:
559              self.canvas.Map().RaiseLayer(layer)              self.canvas.Map().RaiseLayer(layer)
560            
561      def LowerLayer(self):      def LowerLayer(self):
562          layer = self.current_layer()          layer = self.current_layer()
563          if layer is not None:          if layer is not None:
# Line 314  class MainWindow(wxFrame): Line 568  class MainWindow(wxFrame):
568    
569          If no layer is selected, return None          If no layer is selected, return None
570          """          """
571          tree = main.app.tree.tree          return self.canvas.SelectedLayer()
         layer = tree.GetPyData(tree.GetSelection())  
         if isinstance(layer, Layer):  
             return layer  
         return None  
572    
573      def has_selected_layer(self):      def has_selected_layer(self):
574          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
575          tree = main.app.tree.tree          return self.canvas.HasSelectedLayer()
         layer = tree.GetPyData(tree.GetSelection())  
         return isinstance(layer, Layer)  
576    
577      def choose_color(self):      def has_selected_shapes(self):
578          """Run the color selection dialog and return the selected color.          """Return true if a shape is currently selected"""
579            return self.canvas.HasSelectedShapes()
580    
581          If the user cancels, return None.      def HideLayer(self):
         """  
         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):  
582          layer = self.current_layer()          layer = self.current_layer()
583          if layer is not None:          if layer is not None:
584              color = self.choose_color()              layer.SetVisible(0)
             if color is not None:  
                 layer.SetFill(color)  
585    
586      def LayerTransparentFill(self):      def ShowLayer(self):
587          layer = self.current_layer()          layer = self.current_layer()
588          if layer is not None:          if layer is not None:
589              layer.SetFill(None)              layer.SetVisible(1)
590    
591      def LayerOutlineColor(self):      def DuplicateLayer(self):
592            """Ceate a new layer above the selected layer with the same shapestore
593            """
594          layer = self.current_layer()          layer = self.current_layer()
595          if layer is not None:          if layer is not None and hasattr(layer, "ShapeStore"):
596              color = self.choose_color()              new_layer = Layer(_("Copy of `%s'") % layer.Title(),
597              if color is not None:                                layer.ShapeStore(),
598                  layer.SetStroke(color)                                projection = layer.GetProjection())
599                new_classification = copy.deepcopy(layer.GetClassification())
600                new_layer.SetClassification(new_classification)
601                self.Map().AddLayer(new_layer)
602    
603      def LayerNoOutline(self):      def CanDuplicateLayer(self):
604            """Return whether the DuplicateLayer method can create a duplicate"""
605          layer = self.current_layer()          layer = self.current_layer()
606          if layer is not None:          return layer is not None and hasattr(layer, "ShapeStore")
             layer.SetStroke(None)  
   
     def HideLayer(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetVisible(0)  
           
     def ShowLayer(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetVisible(1)  
607    
608      def LayerShowTable(self):      def LayerShowTable(self):
609          layer = self.current_layer()          layer = self.current_layer()
610          if layer is not None:          if layer is not None:
611              table = layer.table              table = layer.ShapeStore().Table()
612              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
613              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
614              if dialog is None:              if dialog is None:
615                  dialog = tableview.TableFrame(self, main.app.interactor, name,                  dialog = tableview.LayerTableFrame(self, name,
616                                                "Table: %s" % layer.Title(),                                           _("Layer Table: %s") % layer.Title(),
617                                                layer, table)                                           layer, table)
618                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
619                  dialog.Show(true)                  dialog.Show(True)
620              else:              else:
621                  # FIXME: bring dialog to front here                  # FIXME: bring dialog to front here
622                  pass                  pass
623    
624      def Projection(self):      def MapProjection(self):
625          map = self.canvas.Map()  
626          proj = map.projection          name = "map_projection"
627          if proj is None:          dialog = self.get_open_dialog(name)
628              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None)  
629          else:          if dialog is None:
630              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params)              map = self.canvas.Map()
631          if proj4Dlg.ShowModal() == wxID_OK:              dialog = projdialog.ProjFrame(self, name,
632              params = proj4Dlg.GetParams()                       _("Map Projection: %s") % map.Title(), map)
633              if params is not None:              self.add_dialog(name, dialog)
634                  proj = Projection(params)              dialog.Show()
635            dialog.Raise()
636    
637        def LayerProjection(self):
638    
639            layer = self.current_layer()
640    
641            name = "layer_projection" + str(id(layer))
642            dialog = self.get_open_dialog(name)
643    
644            if dialog is None:
645                map = self.canvas.Map()
646                dialog = projdialog.ProjFrame(self, name,
647                         _("Layer Projection: %s") % layer.Title(), layer)
648                self.add_dialog(name, dialog)
649                dialog.Show()
650            dialog.Raise()
651    
652        def LayerEditProperties(self):
653    
654            #
655            # the menu option for this should only be available if there
656            # is a current layer, so we don't need to check if the
657            # current layer is None
658            #
659    
660            layer = self.current_layer()
661            self.OpenLayerProperties(layer)
662    
663        def OpenLayerProperties(self, layer, group = None):
664            name = "layer_properties" + str(id(layer))
665            dialog = self.get_open_dialog(name)
666    
667            if dialog is None:
668                dialog = Classifier(self, name, self.Map(), layer, group)
669                self.add_dialog(name, dialog)
670                dialog.Show()
671            dialog.Raise()
672    
673        def LayerJoinTable(self):
674            layer = self.canvas.SelectedLayer()
675            if layer is not None:
676                dlg = JoinDialog(self, _("Join Layer with Table"),
677                                 self.application.session,
678                                 layer = layer)
679                dlg.ShowModal()
680    
681        def LayerUnjoinTable(self):
682            layer = self.canvas.SelectedLayer()
683            if layer is not None:
684                orig_store = layer.ShapeStore().OrigShapeStore()
685                if orig_store:
686                    layer.SetShapeStore(orig_store)
687    
688        def ShowLegend(self):
689            if not self.LegendShown():
690                self.ToggleLegend()
691    
692        def ToggleLegend(self):
693            """Show the legend if it's not shown otherwise hide it again"""
694            name = "legend"
695            dialog = self.FindRegisteredDock(name)
696    
697            if dialog is None:
698                dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
699                legend.LegendPanel(dialog, None, self)
700                dialog.Dock()
701                dialog.GetPanel().SetMap(self.Map())
702                dialog.Show()
703            else:
704                dialog.Show(not dialog.IsShown())
705    
706        def LegendShown(self):
707            """Return true iff the legend is currently open"""
708            dialog = self.FindRegisteredDock("legend")
709            return dialog is not None and dialog.IsShown()
710    
711        def TableOpen(self):
712            dlg = wxFileDialog(self, _("Open Table"), ".", "",
713                               _("DBF Files (*.dbf)") + "|*.dbf|" +
714                               #_("CSV Files (*.csv)") + "|*.csv|" +
715                               _("All Files (*.*)") + "|*.*",
716                               wxOPEN)
717            if dlg.ShowModal() == wxID_OK:
718                filename = dlg.GetPath()
719                dlg.Destroy()
720                try:
721                    table = self.application.session.OpenTableFile(filename)
722                except IOError:
723                    # the layer couldn't be opened
724                    self.RunMessageBox(_("Open Table"),
725                                       _("Can't open the file '%s'.") % filename)
726              else:              else:
727                  proj = None                  self.ShowTableView(table)
728              map.SetProjection(proj)  
729          proj4Dlg.Destroy()      def TableClose(self):
730            tables = self.application.session.UnreferencedTables()
731    
732            lst = [(t.Title(), t) for t in tables]
733            lst.sort()
734            titles = [i[0] for i in lst]
735            dlg = wxMultipleChoiceDialog(self, _("Pick the tables to close:"),
736                                         _("Close Table"), titles,
737                                         size = (400, 300),
738                                         style = wxDEFAULT_DIALOG_STYLE |
739                                                 wxRESIZE_BORDER)
740            if dlg.ShowModal() == wxID_OK:
741                for i in dlg.GetValue():
742                    self.application.session.RemoveTable(lst[i][1])
743    
744    
745        def TableShow(self):
746            """Offer a multi-selection dialog for tables to be displayed
747    
748            The windows for the selected tables are opened or brought to
749            the front.
750            """
751            tables = self.application.session.Tables()
752    
753            lst = [(t.Title(), t) for t in tables]
754            lst.sort()
755            titles = [i[0] for i in lst]
756            dlg = wxMultipleChoiceDialog(self, _("Pick the table to show:"),
757                                         _("Show Table"), titles,
758                                         size = (400,300),
759                                         style = wxDEFAULT_DIALOG_STYLE |
760                                                 wxRESIZE_BORDER)
761            if (dlg.ShowModal() == wxID_OK):
762                for i in dlg.GetValue():
763                    # XXX: if the table belongs to a layer, open a
764                    # LayerTableFrame instead of QueryTableFrame
765                    self.ShowTableView(lst[i][1])
766    
767        def TableJoin(self):
768            dlg = JoinDialog(self, _("Join Tables"), self.application.session)
769            dlg.ShowModal()
770    
771        def ShowTableView(self, table):
772            """Open a table view for the table and optionally"""
773            name = "table_view%d" % id(table)
774            dialog = self.get_open_dialog(name)
775            if dialog is None:
776                dialog = tableview.QueryTableFrame(self, name,
777                                                   _("Table: %s") % table.Title(),
778                                                   table)
779                self.add_dialog(name, dialog)
780                dialog.Show(True)
781            dialog.Raise()
782    
783        def TableRename(self):
784            """Let the user rename a table"""
785    
786            # First, let the user select a table
787            tables = self.application.session.Tables()
788            lst = [(t.Title(), t) for t in tables]
789            lst.sort()
790            titles = [i[0] for i in lst]
791            dlg = wxMultipleChoiceDialog(self, _("Pick the table to rename:"),
792                                         _("Rename Table"), titles,
793                                         size = (400,300),
794                                         style = wxDEFAULT_DIALOG_STYLE |
795                                                 wxRESIZE_BORDER)
796            if (dlg.ShowModal() == wxID_OK):
797                to_rename = [lst[i][1] for i in dlg.GetValue()]
798                dlg.Destroy()
799            else:
800                to_rename = []
801    
802            # Second, let the user rename the layers
803            for table in to_rename:
804                dlg = wxTextEntryDialog(self, "Table Title: ", "Rename Table",
805                                        table.Title())
806                try:
807                    if dlg.ShowModal() == wxID_OK:
808                        title = dlg.GetValue()
809                        if title != "":
810                            table.SetTitle(title)
811    
812                            # Make sure the session is marked as modified.
813                            # FIXME: This should be handled automatically,
814                            # but that requires more changes to the tables
815                            # than I have time for currently.
816                            self.application.session.changed()
817                finally:
818                    dlg.Destroy()
819    
820    
821      def ZoomInTool(self):      def ZoomInTool(self):
822          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
# Line 419  class MainWindow(wxFrame): Line 829  class MainWindow(wxFrame):
829    
830      def IdentifyTool(self):      def IdentifyTool(self):
831          self.canvas.IdentifyTool()          self.canvas.IdentifyTool()
832            self.identify_view_on_demand(None, None)
833    
834      def LabelTool(self):      def LabelTool(self):
835          self.canvas.LabelTool()          self.canvas.LabelTool()
# Line 426  class MainWindow(wxFrame): Line 837  class MainWindow(wxFrame):
837      def FullExtent(self):      def FullExtent(self):
838          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
839    
840        def FullLayerExtent(self):
841            self.canvas.FitLayerToWindow(self.current_layer())
842    
843        def FullSelectionExtent(self):
844            self.canvas.FitSelectedToWindow()
845    
846        def ExportMap(self):
847            self.canvas.Export()
848    
849      def PrintMap(self):      def PrintMap(self):
850          self.canvas.Print()          self.canvas.Print()
851    
852      def identify_view_on_demand(self, layer, shape):      def RenameMap(self):
853            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
854                                    self.Map().Title())
855            if dlg.ShowModal() == wxID_OK:
856                title = dlg.GetValue()
857                if title != "":
858                    self.Map().SetTitle(title)
859                    self.__SetTitle(title)
860    
861            dlg.Destroy()
862    
863        def RenameLayer(self):
864            """Let the user rename the currently selected layer"""
865            layer = self.current_layer()
866            if layer is not None:
867                dlg = wxTextEntryDialog(self, "Layer Title: ", "Rename Layer",
868                                        layer.Title())
869                try:
870                    if dlg.ShowModal() == wxID_OK:
871                        title = dlg.GetValue()
872                        if title != "":
873                            layer.SetTitle(title)
874                finally:
875                    dlg.Destroy()
876    
877        def identify_view_on_demand(self, layer, shapes):
878            """Subscribed to the canvas' SHAPES_SELECTED message
879    
880            If the current tool is the identify tool, at least one shape is
881            selected and the identify dialog is not shown, show the dialog.
882            """
883            # If the selection has become empty we don't need to do
884            # anything. Otherwise it could happen that the dialog was popped
885            # up when the selection became empty, e.g. when a new selection
886            # is opened while the identify tool is active and dialog had
887            # been closed
888            if not shapes:
889                return
890    
891          name = "identify_view"          name = "identify_view"
892          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
893              if not self.dialog_open(name):              if not self.dialog_open(name):
894                  dialog = identifyview.IdentifyView(self, main.app.interactor,                  dialog = identifyview.IdentifyView(self, name)
                                                    name)  
895                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
896                  dialog.Show(true)                  dialog.Show(True)
897              else:              else:
898                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
899                  pass                  pass
900    
901        def __SetTitle(self, title):
902            self.SetTitle("Thuban - " + title)
903    
904  #  #
905  # Define all the commands available in the main window  # Define all the commands available in the main window
906  #  #
# Line 448  class MainWindow(wxFrame): Line 908  class MainWindow(wxFrame):
908    
909  # Helper functions to define common command implementations  # Helper functions to define common command implementations
910  def call_method(context, methodname, *args):  def call_method(context, methodname, *args):
911      """Call the context's method methodname with args *args"""      """Call the mainwindow's method methodname with args *args"""
912      apply(getattr(context, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
913    
914  def _method_command(name, title, method, helptext = "", sensitive = None):  def _method_command(name, title, method, helptext = "",
915      """Add a command implemented by a method of the context object"""                      icon = "", sensitive = None, checked = None):
916        """Add a command implemented by a method of the mainwindow object"""
917      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
918                           helptext = helptext, sensitive = sensitive))                           helptext = helptext, icon = icon,
919                             sensitive = sensitive, checked = checked))
920    
921    def make_check_current_tool(toolname):
922        """Return a function that tests if the currently active tool is toolname
923    
924        The returned function can be called with the context and returns
925        true iff the currently active tool's name is toolname. It's directly
926        usable as the 'checked' callback of a command.
927        """
928        def check_current_tool(context, name=toolname):
929            return context.mainwindow.canvas.CurrentTool() == name
930        return check_current_tool
931    
932  def _tool_command(name, title, method, toolname, helptext = "",  def _tool_command(name, title, method, toolname, helptext = "",
933                    icon = ""):                    icon = "", sensitive = None):
934      """Add a tool command"""      """Add a tool command"""
935      def check_current_tool(context, name=toolname):      registry.Add(ToolCommand(name, title, call_method, args=(method,),
936          return context.canvas.CurrentTool() == name                               helptext = helptext, icon = icon,
937      registry.Add(Command(name, title, call_method, args=(method,),                               checked = make_check_current_tool(toolname),
938                           helptext = helptext, icon = icon,                               sensitive = sensitive))
                          checked = check_current_tool))  
939    
940  def _has_selected_layer(context):  def _has_selected_layer(context):
941      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
942      return context.has_selected_layer()      return context.mainwindow.has_selected_layer()
943    
944    def _has_selected_shapes(context):
945        """Return true if a layer is selected in the context"""
946        return context.mainwindow.has_selected_shapes()
947    
948    def _can_remove_layer(context):
949        return context.mainwindow.CanRemoveLayer()
950    
951    def _has_tree_window_shown(context):
952        """Return true if the tree window is shown"""
953        return context.mainwindow.SessionTreeShown()
954    
955    def _has_visible_map(context):
956        """Return true iff theres a visible map in the mainwindow.
957    
958        A visible map is a map with at least one visible layer."""
959        map = context.mainwindow.Map()
960        if map is not None:
961            for layer in map.Layers():
962                if layer.Visible():
963                    return 1
964        return 0
965    
966    def _has_legend_shown(context):
967        """Return true if the legend window is shown"""
968        return context.mainwindow.LegendShown()
969    
970    def _has_gdal_support(context):
971        """Return True if the GDAL is available"""
972        return Thuban.Model.resource.has_gdal_support()
973    
974    def _has_dbconnections(context):
975        """Return whether the the session has database connections"""
976        return context.session.HasDBConnections()
977    
978    def _has_postgis_support(context):
979        return has_postgis_support()
980    
981    
982  # File menu  # File menu
983  _method_command("new_session", "&New Session", "NewSession")  _method_command("new_session", _("&New Session"), "NewSession",
984  _method_command("open_session", "&Open Session", "OpenSession")                  helptext = _("Start a new session"))
985  _method_command("save_session", "&Save Session", "SaveSession")  _method_command("open_session", _("&Open Session..."), "OpenSession",
986  _method_command("save_session_as", "Save Session &As", "SaveSessionAs")                  helptext = _("Open a session file"))
987  _method_command("exit", "&Exit", "Exit")  _method_command("save_session", _("&Save Session"), "SaveSession",
988                    helptext =_("Save this session to the file it was opened from"))
989    _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs",
990                    helptext = _("Save this session to a new file"))
991    _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
992                    checked = _has_tree_window_shown,
993                    helptext = _("Toggle on/off the session tree analysis window"))
994    _method_command("toggle_legend", _("Legend"), "ToggleLegend",
995                    checked = _has_legend_shown,
996                    helptext = _("Toggle Legend on/off"))
997    _method_command("database_management", _("&Database Connections..."),
998                    "DatabaseManagement",
999                    sensitive = _has_postgis_support)
1000    _method_command("exit", _("E&xit"), "Exit",
1001                    helptext = _("Finish working with Thuban"))
1002    
1003  # Help menu  # Help menu
1004  _method_command("help_about", "&About", "About")  _method_command("help_about", _("&About..."), "About",
1005                    helptext = _("Info about Thuban authors, version and modules"))
1006    
1007    
1008  # Map menu  # Map menu
1009  _method_command("map_projection", "Pro&jection", "Projection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection",
1010                    helptext = _("Set or change the map projection"))
1011    
1012  _tool_command("map_zoom_in_tool", "&Zoom in", "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
1013                helptext = "Switch to map-mode 'zoom-in'", icon = "zoom_in")                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
1014  _tool_command("map_zoom_out_tool", "Zoom &out", "ZoomOutTool", "ZoomOutTool",                sensitive = _has_visible_map)
1015                helptext = "Switch to map-mode 'zoom-out'", icon = "zoom_out")  _tool_command("map_zoom_out_tool", _("Zoom &out"), "ZoomOutTool", "ZoomOutTool",
1016  _tool_command("map_pan_tool", "&Pan", "PanTool", "PanTool",                helptext = _("Switch to map-mode 'zoom-out'"), icon = "zoom_out",
1017                helptext = "Switch to map-mode 'pan'", icon = "pan")                sensitive = _has_visible_map)
1018  _tool_command("map_identify_tool", "&Identify", "IdentifyTool", "IdentifyTool",  _tool_command("map_pan_tool", _("&Pan"), "PanTool", "PanTool",
1019                helptext = "Switch to map-mode 'identify'", icon = "identify")                helptext = _("Switch to map-mode 'pan'"), icon = "pan",
1020  _tool_command("map_label_tool", "&Label", "LabelTool", "LabelTool",                sensitive = _has_visible_map)
1021                helptext = "Add/Remove labels", icon = "label")  _tool_command("map_identify_tool", _("&Identify"), "IdentifyTool",
1022  _method_command("map_full_extent", "&Full extent", "FullExtent")                "IdentifyTool",
1023  _method_command("map_print", "Prin&t", "PrintMap", helptext = "Print the map")                helptext = _("Switch to map-mode 'identify'"), icon = "identify",
1024                  sensitive = _has_visible_map)
1025    _tool_command("map_label_tool", _("&Label"), "LabelTool", "LabelTool",
1026                  helptext = _("Add/Remove labels"), icon = "label",
1027                  sensitive = _has_visible_map)
1028    _method_command("map_full_extent", _("&Full extent"), "FullExtent",
1029                   helptext = _("Zoom to the full map extent"), icon = "fullextent",
1030                  sensitive = _has_visible_map)
1031    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
1032                    helptext = _("Zoom to the full layer extent"),
1033                    icon = "fulllayerextent", sensitive = _has_selected_layer)
1034    _method_command("selected_full_extent", _("&Full selection extent"),
1035                    "FullSelectionExtent",
1036                    helptext = _("Zoom to the full selection extent"),
1037                    icon = "fullselextent", sensitive = _has_selected_shapes)
1038    _method_command("map_export", _("E&xport"), "ExportMap",
1039                    helptext = _("Export the map to file"))
1040    _method_command("map_print", _("Prin&t"), "PrintMap",
1041                    helptext = _("Print the map"))
1042    _method_command("map_rename", _("&Rename..."), "RenameMap",
1043                    helptext = _("Rename the map"))
1044    _method_command("layer_add", _("&Add Layer..."), "AddLayer",
1045                    helptext = _("Add a new layer to the map"))
1046    _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
1047                    helptext = _("Add a new image layer to the map"),
1048                    sensitive = _has_gdal_support)
1049    _method_command("layer_add_db", _("Add &Database Layer..."), "AddDBLayer",
1050                    helptext = _("Add a new database layer to active map"),
1051                    sensitive = _has_dbconnections)
1052    _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
1053                    helptext = _("Remove selected layer"),
1054                    sensitive = _can_remove_layer)
1055    
1056  # Layer menu  # Layer menu
1057  _method_command("layer_add", "&Add", "AddLayer",  _method_command("layer_projection", _("Pro&jection..."), "LayerProjection",
1058                  helptext = "Add a new layer to active map")                  sensitive = _has_selected_layer,
1059  _method_command("layer_remove", "&Remove", "RemoveLayer",                  helptext = _("Specify projection for selected layer"))
1060                  helptext = "Remove selected layer(s)",  _method_command("layer_duplicate", _("&Duplicate"), "DuplicateLayer",
1061                    helptext = _("Duplicate selected layer"),
1062              sensitive = lambda context: context.mainwindow.CanDuplicateLayer())
1063    _method_command("layer_rename", _("Re&name ..."), "RenameLayer",
1064                    helptext = _("Rename selected layer"),
1065                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1066  _method_command("layer_fill_color", "&Fill Color", "LayerFillColor",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
1067                  helptext = "Set the fill color of selected layer(s)",                  helptext = _("Raise selected layer"),
1068                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1069  _method_command("layer_transparent_fill", "&Transparent Fill",  _method_command("layer_lower", _("&Lower"), "LowerLayer",
1070                  "LayerTransparentFill",                  helptext = _("Lower selected layer"),
                 helptext = "Do not fill the selected layer(s)",  
1071                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1072  _method_command("layer_ourline_color", "&Outline Color", "LayerOutlineColor",  _method_command("layer_show", _("&Show"), "ShowLayer",
1073                  helptext = "Set the outline color of selected layer(s)",                  helptext = _("Make selected layer visible"),
1074                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1075  _method_command("layer_no_outline", "&No Outline", "LayerNoOutline",  _method_command("layer_hide", _("&Hide"), "HideLayer",
1076                  helptext = "Do not draw the outline of the selected layer(s)",                  helptext = _("Make selected layer unvisible"),
1077                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1078  _method_command("layer_raise", "&Raise", "RaiseLayer",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
1079                  helptext = "Raise selected layer(s)",                  helptext = _("Show the selected layer's table"),
                 sensitive = _has_selected_layer)  
 _method_command("layer_lower", "&Lower", "LowerLayer",  
                 helptext = "Lower selected layer(s)",  
                 sensitive = _has_selected_layer)  
 _method_command("layer_show", "&Show", "ShowLayer",  
                 helptext = "Make selected layer(s) visible",  
                 sensitive = _has_selected_layer)  
 _method_command("layer_hide", "&Hide", "HideLayer",  
                 helptext = "Make selected layer(s) unvisible",  
                 sensitive = _has_selected_layer)  
 _method_command("layer_show_table", "Show Ta&ble", "LayerShowTable",  
                 helptext = "Show the selected layer's table",  
1080                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1081    _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
1082                    sensitive = _has_selected_layer,
1083                    helptext = _("Edit the properties of the selected layer"))
1084    _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
1085                    sensitive = _has_selected_layer,
1086                    helptext = _("Join and attach a table to the selected layer"))
1087    
1088    def _can_unjoin(context):
1089        """Return whether the Layer/Unjoin command can be executed.
1090    
1091        This is the case if a layer is selected and that layer has a
1092        shapestore that has an original shapestore.
1093        """
1094        layer = context.mainwindow.SelectedLayer()
1095        if layer is None:
1096            return 0
1097        getstore = getattr(layer, "ShapeStore", None)
1098        if getstore is not None:
1099            return getstore().OrigShapeStore() is not None
1100        else:
1101            return 0
1102    _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
1103                    sensitive = _can_unjoin,
1104                    helptext = _("Undo the last join operation"))
1105    
1106    
1107    def _has_tables(context):
1108        return bool(context.session.Tables())
1109    
1110    # Table menu
1111    _method_command("table_open", _("&Open..."), "TableOpen",
1112                    helptext = _("Open a DBF-table from a file"))
1113    _method_command("table_close", _("&Close..."), "TableClose",
1114           sensitive = lambda context: bool(context.session.UnreferencedTables()),
1115                    helptext = _("Close one or more tables from a list"))
1116    _method_command("table_rename", _("&Rename..."), "TableRename",
1117                    sensitive = _has_tables,
1118                    helptext = _("Rename one or more tables"))
1119    _method_command("table_show", _("&Show..."), "TableShow",
1120                    sensitive = _has_tables,
1121                    helptext = _("Show one or more tables in a dialog"))
1122    _method_command("table_join", _("&Join..."), "TableJoin",
1123                    sensitive = _has_tables,
1124                    helptext = _("Join two tables creating a new one"))
1125    
1126    #  Export only under Windows ...
1127    map_menu = ["layer_add", "layer_add_db", "rasterlayer_add", "layer_remove",
1128                            None,
1129                            "map_rename",
1130                            "map_projection",
1131                            None,
1132                            "map_zoom_in_tool", "map_zoom_out_tool",
1133                            "map_pan_tool",
1134                            "map_full_extent",
1135                            "layer_full_extent",
1136                            "selected_full_extent",
1137                            None,
1138                            "map_identify_tool", "map_label_tool",
1139                            None,
1140                            "toggle_legend",
1141                            None]
1142    if wxPlatform == '__WXMSW__':
1143        map_menu.append("map_export")
1144    map_menu.append("map_print")
1145    
1146    # the menu structure
1147    main_menu = Menu("<main>", "<main>",
1148                     [Menu("file", _("&File"),
1149                           ["new_session", "open_session", None,
1150                            "save_session", "save_session_as", None,
1151                            "database_management", None,
1152                            "toggle_session_tree", None,
1153                            "exit"]),
1154                      Menu("map", _("&Map"), map_menu),
1155                      Menu("layer", _("&Layer"),
1156                           ["layer_rename", "layer_duplicate",
1157                            None,
1158                            "layer_raise", "layer_lower",
1159                            None,
1160                            "layer_show", "layer_hide",
1161                            None,
1162                            "layer_projection",
1163                            None,
1164                            "layer_show_table",
1165                            "layer_jointable",
1166                            "layer_unjointable",
1167                            None,
1168                            "layer_properties"]),
1169                      Menu("table", _("&Table"),
1170                           ["table_open", "table_close", "table_rename",
1171                           None,
1172                           "table_show",
1173                           None,
1174                           "table_join"]),
1175                      Menu("help", _("&Help"),
1176                           ["help_about"])])
1177    
1178    # the main toolbar
1179    
1180    main_toolbar = Menu("<toolbar>", "<toolbar>",
1181                        ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
1182                         "map_full_extent",
1183                         "layer_full_extent",
1184                         "selected_full_extent",
1185                         None,
1186                         "map_identify_tool", "map_label_tool"])
1187    
Legend:
Removed from v.33  
changed lines
  Added in v.1667
[email protected]
 ViewVC Help
Powered by ViewVC 1.1.26