/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 110 by jan, Sun Apr 21 17:28:16 2002 UTC revision 193 by bh, Wed May 29 10:33:41 2002 UTC
# Line 1  Line 1 
1  # Copyright (C) 2001 by Intevation GmbH  # Copyright (C) 2001, 2002 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  import sys, os  import os
16    
17  from wxPython.wx import *  from wxPython.wx import *
18    
19  import Thuban  import Thuban
20  from Thuban.Model.session import Session, create_empty_session  from Thuban.Model.session import create_empty_session
 from Thuban.Model.map import Map  
21  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer
22  from Thuban.Model.color import Color  from Thuban.Model.color import Color
23  from Thuban.Model.proj import Projection  from Thuban.Model.proj import Projection
# Line 27  import view Line 26  import view
26  import tree  import tree
27  import proj4dialog  import proj4dialog
28  import tableview, identifyview  import tableview, identifyview
29    from menu import Menu
30    
31  import main  import main
32  from command import registry, Command  from command import registry, Command
33  from messages import SELECTED_SHAPE  from messages import SELECTED_SHAPE, VIEW_POSITION
34    
35    
36  # the directory where the toolbar icons are stored  # the directory where the toolbar icons are stored
# Line 54  class MainWindow(wxFrame): Line 54  class MainWindow(wxFrame):
54    
55          self.init_ids()          self.init_ids()
56    
57          menuBar = wxMenuBar()          # creat the menubar from the main_menu description
58            self.SetMenuBar(self.build_menu_bar(main_menu))
59    
60          menu = wxMenu()          # Similarly, create the toolbar from main_toolbar
61          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 ["layer_add", "layer_remove",  
                      None,  
                      "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_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)  
   
         # set the size of the tools' bitmaps. Not needed on wxGTK, but  
         # on Windows. We probably shouldn't hardwire the bitmap size  
         # here  
         toolbar.SetToolBitmapSize(wxSize(24, 24))  
   
         for name in ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",  
                      "map_identify_tool", "map_label_tool", "map_full_extent"]:  
             self.add_toolbar_command(toolbar, name)  
62          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
63          toolbar.Realize()          toolbar.Realize()
64    
65          # Create the map canvas          # Create the map canvas
66          canvas = view.MapCanvas(self, -1, interactor)          canvas = view.MapCanvas(self, -1, interactor)
67            canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
68          self.canvas = canvas          self.canvas = canvas
69    
70          self.init_dialogs()          self.init_dialogs()
# Line 124  class MainWindow(wxFrame): Line 78  class MainWindow(wxFrame):
78          self.current_id = 6000          self.current_id = 6000
79          self.id_to_name = {}          self.id_to_name = {}
80          self.name_to_id = {}          self.name_to_id = {}
81            self.events_bound = {}
82    
83      def get_id(self, name):      def get_id(self, name):
84          """Return the wxWindows id for the command named name.          """Return the wxWindows id for the command named name.
# Line 136  class MainWindow(wxFrame): Line 91  class MainWindow(wxFrame):
91              self.name_to_id[name] = ID              self.name_to_id[name] = ID
92              self.id_to_name[ID] = name              self.id_to_name[ID] = name
93          return ID          return ID
94            
95        def bind_command_events(self, command, ID):
96            """Bind the necessary events for the given command and ID"""
97            if not self.events_bound.has_key(ID):
98                # the events haven't been bound yet
99                EVT_MENU(self, ID, self.invoke_command)
100                if command.IsDynamic():
101                    EVT_UPDATE_UI(self, ID, self.update_command_ui)
102    
103        def build_menu_bar(self, menudesc):
104            """Build and return the menu bar from the menu description"""
105            menu_bar = wxMenuBar()
106    
107            for item in menudesc.items:
108                # here the items must all be Menu instances themselves
109                menu_bar.Append(self.build_menu(item), item.title)
110    
111            return menu_bar
112    
113        def build_menu(self, menudesc):
114            """Build and return a wxMenu from a menudescription"""
115            wxmenu = wxMenu()
116            last = None
117            for item in menudesc.items:
118                # here the items must all be Menu instances themselves
119                if item is None:
120                    # a separator. Only add one if the last item was not a
121                    # separator
122                    if last is not None:
123                        wxmenu.AppendSeparator()
124                elif isinstance(item, Menu):
125                    # a submenu
126                    wxmenu.AppendMenu(wxNewId(), item.title, self.build_menu(item))
127                else:
128                    # must the name the name of a command
129                    self.add_menu_command(wxmenu, item)
130                last = item
131            return wxmenu
132    
133        def build_toolbar(self, toolbardesc):
134            """Build and return the main toolbar window from a toolbar description
135    
136            The parameter should be an instance of the Menu class but it
137            should not contain submenus.
138            """
139            toolbar = self.CreateToolBar(wxTB_3DBUTTONS)
140    
141            # set the size of the tools' bitmaps. Not needed on wxGTK, but
142            # on Windows, although it doesn't work very well there. It seems
143            # that only 16x16 icons are really supported on windows.
144            # We probably shouldn't hardwire the bitmap size here.
145            toolbar.SetToolBitmapSize(wxSize(24, 24))
146    
147            for item in toolbardesc.items:
148                if item is None:
149                    toolbar.AddSeparator()
150                else:
151                    # assume it's a string.
152                    self.add_toolbar_command(toolbar, item)
153    
154            return toolbar
155    
156      def add_menu_command(self, menu, name):      def add_menu_command(self, menu, name):
157          """Add the command with name name to the menu menu.          """Add the command with name name to the menu menu.
158    
# Line 150  class MainWindow(wxFrame): Line 166  class MainWindow(wxFrame):
166                  ID = self.get_id(name)                  ID = self.get_id(name)
167                  menu.Append(ID, command.Title(), command.HelpText(),                  menu.Append(ID, command.Title(), command.HelpText(),
168                              command.IsCheckCommand())                              command.IsCheckCommand())
169                  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)  
170              else:              else:
171                  print "Unknown command %s" % name                  print "Unknown command %s" % name
172    
# Line 174  class MainWindow(wxFrame): Line 188  class MainWindow(wxFrame):
188                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
189                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
190                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
191                    self.bind_command_events(command, ID)
192              else:              else:
193                  print "Unknown command %s" % name                  print "Unknown command %s" % name
194    
# Line 195  class MainWindow(wxFrame): Line 210  class MainWindow(wxFrame):
210                  event.Check(command.Checked(self))                  event.Check(command.Checked(self))
211    
212      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):
213          """Run a modla message box with the given text, title and flags          """Run a modal message box with the given text, title and flags
214          and return the result"""          and return the result"""
215          dlg = wxMessageDialog(self, text, title, flags)          dlg = wxMessageDialog(self, text, title, flags)
216          result = dlg.ShowModal()          result = dlg.ShowModal()
# Line 223  class MainWindow(wxFrame): Line 238  class MainWindow(wxFrame):
238      def get_open_dialog(self, name):      def get_open_dialog(self, name):
239          return self.dialogs.get(name)          return self.dialogs.get(name)
240    
241        def view_position_changed(self):
242            pos = self.canvas.CurrentPosition()
243            if pos is not None:
244                text = "(%10.10g, %10.10g)" % pos
245            else:
246                text = ""
247            self.SetStatusText(text)
248    
249      def save_modified_session(self, can_veto = 1):      def save_modified_session(self, can_veto = 1):
250          """If the current session has been modified, ask the user          """If the current session has been modified, ask the user
251          whether to save it and do so if requested. Return the outcome of          whether to save it and do so if requested. Return the outcome of
# Line 253  class MainWindow(wxFrame): Line 276  class MainWindow(wxFrame):
276      def OpenSession(self):      def OpenSession(self):
277          self.save_modified_session()          self.save_modified_session()
278          dlg = wxFileDialog(self, "Select a session file", ".", "",          dlg = wxFileDialog(self, "Select a session file", ".", "",
279                             "*.session", wxOPEN)                             "*.thuban", wxOPEN)
280          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
281              main.app.OpenSession(dlg.GetPath())              main.app.OpenSession(dlg.GetPath())
282          dlg.Destroy()          dlg.Destroy()
# Line 265  class MainWindow(wxFrame): Line 288  class MainWindow(wxFrame):
288    
289      def SaveSessionAs(self):      def SaveSessionAs(self):
290          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",
291                             "*.session", wxOPEN)                             "*.thuban", wxOPEN)
292          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
293              main.app.session.SetFilename(dlg.GetPath())              main.app.session.SetFilename(dlg.GetPath())
294              main.app.SaveSession()              main.app.SaveSession()
# Line 304  class MainWindow(wxFrame): Line 327  class MainWindow(wxFrame):
327                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
328    
329      def AddLayer(self):      def AddLayer(self):
330          dlg = wxFileDialog(self, "Select a session file", ".", "", "*.*",          dlg = wxFileDialog(self, "Select a data file", ".", "", "*.*",
331                             wxOPEN)                             wxOPEN)
332          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
333              filename = dlg.GetPath()              filename = dlg.GetPath()
# Line 502  _method_command("new_session", "&New Ses Line 525  _method_command("new_session", "&New Ses
525  _method_command("open_session", "&Open Session", "OpenSession")  _method_command("open_session", "&Open Session", "OpenSession")
526  _method_command("save_session", "&Save Session", "SaveSession")  _method_command("save_session", "&Save Session", "SaveSession")
527  _method_command("save_session_as", "Save Session &As", "SaveSessionAs")  _method_command("save_session_as", "Save Session &As", "SaveSessionAs")
528    _method_command("show_session_tree", "Show Session &Tree", "ShowSessionTree")
529  _method_command("exit", "&Exit", "Exit")  _method_command("exit", "&Exit", "Exit")
530    
531  # Help menu  # Help menu
# Line 521  _tool_command("map_identify_tool", "&Ide Line 545  _tool_command("map_identify_tool", "&Ide
545                helptext = "Switch to map-mode 'identify'", icon = "identify")                helptext = "Switch to map-mode 'identify'", icon = "identify")
546  _tool_command("map_label_tool", "&Label", "LabelTool", "LabelTool",  _tool_command("map_label_tool", "&Label", "LabelTool", "LabelTool",
547                helptext = "Add/Remove labels", icon = "label")                helptext = "Add/Remove labels", icon = "label")
 #_tool_command("map_full_extent", "&Full extent", "FullExtent", "FullExtent",  
 #              helptext = "Full Extent", icon = "fullextent")  
548  _method_command("map_full_extent", "&Full extent", "FullExtent",  _method_command("map_full_extent", "&Full extent", "FullExtent",
549                 helptext = "Full Extent", icon = "fullextent")                 helptext = "Full Extent", icon = "fullextent")
550  _method_command("map_print", "Prin&t", "PrintMap", helptext = "Print the map")  _method_command("map_print", "Prin&t", "PrintMap", helptext = "Print the map")
# Line 540  _method_command("layer_transparent_fill" Line 562  _method_command("layer_transparent_fill"
562                  "LayerTransparentFill",                  "LayerTransparentFill",
563                  helptext = "Do not fill the selected layer(s)",                  helptext = "Do not fill the selected layer(s)",
564                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
565  _method_command("layer_ourline_color", "&Outline Color", "LayerOutlineColor",  _method_command("layer_outline_color", "&Outline Color", "LayerOutlineColor",
566                  helptext = "Set the outline color of selected layer(s)",                  helptext = "Set the outline color of selected layer(s)",
567                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
568  _method_command("layer_no_outline", "&No Outline", "LayerNoOutline",  _method_command("layer_no_outline", "&No Outline", "LayerNoOutline",
# Line 561  _method_command("layer_hide", "&Hide", " Line 583  _method_command("layer_hide", "&Hide", "
583  _method_command("layer_show_table", "Show Ta&ble", "LayerShowTable",  _method_command("layer_show_table", "Show Ta&ble", "LayerShowTable",
584                  helptext = "Show the selected layer's table",                  helptext = "Show the selected layer's table",
585                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
586    
587    
588    # the menu structure
589    main_menu = Menu("<main>", "<main>",
590                     [Menu("file", "&File",
591                           ["new_session", "open_session", None,
592                            "save_session", "save_session_as", None,
593                            "show_session_tree", None,
594                            "exit"]),
595                      Menu("map", "&Map",
596                           ["layer_add", "layer_remove",
597                            None,
598                            "map_projection",
599                            None,
600                            "map_zoom_in_tool", "map_zoom_out_tool",
601                            "map_pan_tool", "map_identify_tool", "map_label_tool",
602                            None,
603                            "map_full_extent",
604                            None,
605                            "map_print"]),
606                      Menu("layer", "&Layer",
607                           ["layer_fill_color", "layer_transparent_fill",
608                            "layer_outline_color", "layer_no_outline",
609                            None,
610                            "layer_raise", "layer_lower",
611                            None,
612                            "layer_show", "layer_hide",
613                            None,
614                            "layer_show_table"]),
615                      Menu("help", "&Help",
616                           ["help_about"])])
617    
618    # the main toolbar
619    
620    main_toolbar = Menu("<toolbar>", "<toolbar>",
621                        ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
622                         "map_identify_tool", "map_label_tool", "map_full_extent"])
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