/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 222 by bh, Thu Jul 18 13:03:08 2002 UTC revision 278 by bh, Mon Aug 26 12:50:23 2002 UTC
# Line 28  import proj4dialog Line 28  import proj4dialog
28  import tableview, identifyview  import tableview, identifyview
29  from menu import Menu  from menu import Menu
30    
 import main  
31  from context import Context  from context import Context
32  from command import registry, Command  from command import registry, Command
33  from messages import SELECTED_SHAPE, VIEW_POSITION  from messages import SELECTED_SHAPE, VIEW_POSITION
# Line 41  bitmapext = ".xpm" Line 40  bitmapext = ".xpm"
40    
41  class MainWindow(wxFrame):  class MainWindow(wxFrame):
42    
43      def __init__(self, parent, ID, interactor):      def __init__(self, parent, ID, title, application, interactor,
44          wxFrame.__init__(self, parent, ID, 'Thuban',                   initial_message = None, size = wxSize(-1, -1)):
45                           wxDefaultPosition, wxSize(400, 300))          wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
46    
47            self.application = application
48          self.interactor = interactor          self.interactor = interactor
49    
50          self.CreateStatusBar()          self.CreateStatusBar()
51          self.SetStatusText("This is the wxPython-based "          if initial_message:
52                        "Graphical User Interface for exploring geographic data")              self.SetStatusText(initial_message)
53    
54          self.identify_view = None          self.identify_view = None
55    
# Line 197  class MainWindow(wxFrame): Line 197  class MainWindow(wxFrame):
197          name = self.id_to_name.get(event.GetId())          name = self.id_to_name.get(event.GetId())
198          if name is not None:          if name is not None:
199              command = registry.Command(name)              command = registry.Command(name)
200              command.Execute(Context(main.app, main.app.Session(), self))              context = Context(self.application, self.application.Session(),
201                                  self)
202                command.Execute(context)
203          else:          else:
204              print "Unknown command ID %d" % event.GetId()              print "Unknown command ID %d" % event.GetId()
205    
206      def update_command_ui(self, event):      def update_command_ui(self, event):
207          #print "update_command_ui", self.id_to_name[event.GetId()]          #print "update_command_ui", self.id_to_name[event.GetId()]
208          context = Context(main.app, main.app.Session(), self)          context = Context(self.application, self.application.Session(), self)
209          command = registry.Command(self.id_to_name[event.GetId()])          command = registry.Command(self.id_to_name[event.GetId()])
210          if command is not None:          if command is not None:
211              event.Enable(command.Sensitive(context))              event.Enable(command.Sensitive(context))
# Line 257  class MainWindow(wxFrame): Line 259  class MainWindow(wxFrame):
259          If the can_veto parameter is true (default) the dialog includes          If the can_veto parameter is true (default) the dialog includes
260          a cancel button, otherwise not.          a cancel button, otherwise not.
261          """          """
262          if main.app.session.WasModified():          if self.application.session.WasModified():
263              flags = wxYES_NO | wxICON_QUESTION              flags = wxYES_NO | wxICON_QUESTION
264              if can_veto:              if can_veto:
265                  flags = flags | wxCANCEL                  flags = flags | wxCANCEL
# Line 273  class MainWindow(wxFrame): Line 275  class MainWindow(wxFrame):
275    
276      def NewSession(self):      def NewSession(self):
277          self.save_modified_session()          self.save_modified_session()
278          main.app.SetSession(create_empty_session())          self.application.SetSession(create_empty_session())
279    
280      def OpenSession(self):      def OpenSession(self):
281          self.save_modified_session()          self.save_modified_session()
282          dlg = wxFileDialog(self, "Select a session file", ".", "",          dlg = wxFileDialog(self, "Select a session file", ".", "",
283                             "*.thuban", wxOPEN)                             "*.thuban", wxOPEN)
284          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
285              main.app.OpenSession(dlg.GetPath())              self.application.OpenSession(dlg.GetPath())
286          dlg.Destroy()          dlg.Destroy()
287    
288      def SaveSession(self):      def SaveSession(self):
289          if main.app.session.filename == None:          if self.application.session.filename == None:
290              self.SaveSessionAs()              self.SaveSessionAs()
291          main.app.SaveSession()          self.application.SaveSession()
292    
293      def SaveSessionAs(self):      def SaveSessionAs(self):
294          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",
295                             "*.thuban", wxOPEN)                             "*.thuban", wxOPEN)
296          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
297              main.app.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
298              main.app.SaveSession()              self.application.SaveSession()
299          dlg.Destroy()          dlg.Destroy()
300    
301      def Exit(self):      def Exit(self):
# Line 313  class MainWindow(wxFrame): Line 315  class MainWindow(wxFrame):
315          name = "session_tree"          name = "session_tree"
316          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
317          if dialog is None:          if dialog is None:
318              dialog = tree.SessionTreeView(self, main.app, name)              dialog = tree.SessionTreeView(self, self.application, name)
319              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
320              dialog.Show(true)              dialog.Show(true)
321          else:          else:
# Line 433  class MainWindow(wxFrame): Line 435  class MainWindow(wxFrame):
435              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
436              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
437              if dialog is None:              if dialog is None:
438                  dialog = tableview.TableFrame(self, self.interactor, name,                  dialog = tableview.LayerTableFrame(self, self.interactor, name,
439                                                "Table: %s" % layer.Title(),                                                     "Table: %s" % layer.Title(),
440                                                layer, table)                                                     layer, table)
441                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
442                  dialog.Show(true)                  dialog.Show(true)
443              else:              else:
# Line 509  def _method_command(name, title, method, Line 511  def _method_command(name, title, method,
511                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
512                           sensitive = sensitive))                           sensitive = sensitive))
513    
514    def make_check_current_tool(toolname):
515        """Return a function that tests if the currently active tool is toolname
516    
517        The returned function can be called with the context and returns
518        true iff the currently active tool's name is toolname. It's directly
519        usable as the 'checked' callback of a command.
520        """
521        def check_current_tool(context, name=toolname):
522            return context.mainwindow.canvas.CurrentTool() == name
523        return check_current_tool
524    
525  def _tool_command(name, title, method, toolname, helptext = "",  def _tool_command(name, title, method, toolname, helptext = "",
526                    icon = ""):                    icon = ""):
527      """Add a tool command"""      """Add a tool command"""
     def check_current_tool(context, name=toolname):  
         return context.mainwindow.canvas.CurrentTool() == name  
528      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
529                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
530                           checked = check_current_tool))                           checked = make_check_current_tool(toolname)))
531    
532  def _has_selected_layer(context):  def _has_selected_layer(context):
533      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
534      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
535    
536    def _has_tree_window_shown(context):
537        """Return true if the tree window is shown"""
538        return context.mainwindow.get_open_dialog("session_tree") is None
539    
540  # File menu  # File menu
541  _method_command("new_session", "&New Session", "NewSession")  _method_command("new_session", "&New Session", "NewSession")
542  _method_command("open_session", "&Open Session", "OpenSession")  _method_command("open_session", "&Open Session", "OpenSession")
543  _method_command("save_session", "&Save Session", "SaveSession")  _method_command("save_session", "&Save Session", "SaveSession")
544  _method_command("save_session_as", "Save Session &As", "SaveSessionAs")  _method_command("save_session_as", "Save Session &As", "SaveSessionAs")
545  _method_command("show_session_tree", "Show Session &Tree", "ShowSessionTree")  _method_command("show_session_tree", "Show Session &Tree", "ShowSessionTree",
546                    sensitive = _has_tree_window_shown)
547  _method_command("exit", "&Exit", "Exit")  _method_command("exit", "&Exit", "Exit")
548    
549  # Help menu  # Help menu
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