/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 312 by bh, Wed Sep 11 13:59:37 2002 UTC revision 357 by bh, Mon Dec 9 10:32:27 2002 UTC
# Line 29  import tableview, identifyview Line 29  import tableview, identifyview
29  from menu import Menu  from menu import Menu
30    
31  from context import Context  from context import Context
32  from command import registry, Command  from command import registry, Command, ToolCommand
33  from messages import SELECTED_SHAPE, VIEW_POSITION  from messages import SELECTED_SHAPE, VIEW_POSITION
34    
35    
# Line 112  class MainWindow(wxFrame): Line 112  class MainWindow(wxFrame):
112          return menu_bar          return menu_bar
113    
114      def build_menu(self, menudesc):      def build_menu(self, menudesc):
115          """Build and return a wxMenu from a menudescription"""          """Return a wxMenu built from the menu description menudesc"""
116          wxmenu = wxMenu()          wxmenu = wxMenu()
117          last = None          last = None
118          for item in menudesc.items:          for item in menudesc.items:
             # here the items must all be Menu instances themselves  
119              if item is None:              if item is None:
120                  # a separator. Only add one if the last item was not a                  # a separator. Only add one if the last item was not a
121                  # separator                  # separator
# Line 211  class MainWindow(wxFrame): Line 210  class MainWindow(wxFrame):
210          context = self.Context()          context = self.Context()
211          command = registry.Command(self.id_to_name[event.GetId()])          command = registry.Command(self.id_to_name[event.GetId()])
212          if command is not None:          if command is not None:
213              event.Enable(command.Sensitive(context))              sensitive = command.Sensitive(context)
214                event.Enable(sensitive)
215                if command.IsTool() and not sensitive and command.Checked(context):
216                    # When a checked tool command is disabled deselect all
217                    # tools. Otherwise the tool would remain active but it
218                    # might lead to errors if the tools stays active. This
219                    # problem occurred in GREAT-ER and this fixes it, but
220                    # it's not clear to me whether this is really the best
221                    # way to do it (BH, 20021206).
222                    self.canvas.SelectTool(None)
223              event.SetText(command.DynText(context))              event.SetText(command.DynText(context))
224              if command.IsCheckCommand():              if command.IsCheckCommand():
225                  event.Check(command.Checked(context))                      event.Check(command.Checked(context))
226    
227      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):
228          """Run a modal message box with the given text, title and flags          """Run a modal message box with the given text, title and flags
229          and return the result"""          and return the result"""
230          dlg = wxMessageDialog(self, text, title, flags)          dlg = wxMessageDialog(self, text, title, flags)
231            dlg.CenterOnParent()
232          result = dlg.ShowModal()          result = dlg.ShowModal()
233          dlg.Destroy()          dlg.Destroy()
234          return result          return result
# Line 251  class MainWindow(wxFrame): Line 260  class MainWindow(wxFrame):
260              text = "(%10.10g, %10.10g)" % pos              text = "(%10.10g, %10.10g)" % pos
261          else:          else:
262              text = ""              text = ""
263            self.set_position_text(text)
264    
265        def set_position_text(self, text):
266            """Set the statusbar text showing the current position.
267    
268            By default the text is shown in field 0 of the status bar.
269            Override this method in derived classes to put it into a
270            different field of the statusbar.
271            """
272          self.SetStatusText(text)          self.SetStatusText(text)
273    
274      def save_modified_session(self, can_veto = 1):      def save_modified_session(self, can_veto = 1):
# Line 337  class MainWindow(wxFrame): Line 355  class MainWindow(wxFrame):
355          self.RunMessageBox("About",          self.RunMessageBox("About",
356                             ("Thuban is a program for\n"                             ("Thuban is a program for\n"
357                              "exploring geographic data.\n"                              "exploring geographic data.\n"
358                              "Copyright (C) 2001 Intevation GmbH.\n"                              "Copyright (C) 2001, 2002 Intevation GmbH.\n"
359                              "Thuban is licensed under the GPL"),                              "Thuban is licensed under the GPL"),
360                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
361    
# Line 549  def make_check_current_tool(toolname): Line 567  def make_check_current_tool(toolname):
567  def _tool_command(name, title, method, toolname, helptext = "",  def _tool_command(name, title, method, toolname, helptext = "",
568                    icon = "", sensitive = None):                    icon = "", sensitive = None):
569      """Add a tool command"""      """Add a tool command"""
570      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(ToolCommand(name, title, call_method, args=(method,),
571                           helptext = helptext, icon = icon,                               helptext = helptext, icon = icon,
572                           checked = make_check_current_tool(toolname),                               checked = make_check_current_tool(toolname),
573                           sensitive = sensitive))                               sensitive = sensitive))
574    
575  def _has_selected_layer(context):  def _has_selected_layer(context):
576      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
# Line 682  main_menu = Menu("<main>", "<main>", Line 700  main_menu = Menu("<main>", "<main>",
700  # the main toolbar  # the main toolbar
701    
702  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
703                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
704                       "map_identify_tool", "map_label_tool", "map_full_extent"])                       "map_full_extent", None,
705                         "map_identify_tool", "map_label_tool"])
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