/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 193 by bh, Wed May 29 10:33:41 2002 UTC revision 235 by bh, Tue Jul 23 10:56:29 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    
31  import main  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
34    
# Line 40  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):
45                           wxDefaultPosition, wxSize(400, 300))          wxFrame.__init__(self, parent, ID, title, wxDefaultPosition,
46                             wxSize(400, 300))
47    
48            self.application = application
49          self.interactor = interactor          self.interactor = interactor
50    
51          self.CreateStatusBar()          self.CreateStatusBar()
52          self.SetStatusText("This is the wxPython-based "          if initial_message:
53                        "Graphical User Interface for exploring geographic data")              self.SetStatusText(initial_message)
54    
55          self.identify_view = None          self.identify_view = None
56    
# Line 196  class MainWindow(wxFrame): Line 198  class MainWindow(wxFrame):
198          name = self.id_to_name.get(event.GetId())          name = self.id_to_name.get(event.GetId())
199          if name is not None:          if name is not None:
200              command = registry.Command(name)              command = registry.Command(name)
201              command.Execute(self)              context = Context(self.application, self.application.Session(),
202                                  self)
203                command.Execute(context)
204          else:          else:
205              print "Unknown command ID %d" % event.GetId()              print "Unknown command ID %d" % event.GetId()
206    
207      def update_command_ui(self, event):      def update_command_ui(self, event):
208          #print "update_command_ui", self.id_to_name[event.GetId()]          #print "update_command_ui", self.id_to_name[event.GetId()]
209            context = Context(self.application, self.application.Session(), self)
210          command = registry.Command(self.id_to_name[event.GetId()])          command = registry.Command(self.id_to_name[event.GetId()])
211          if command is not None:          if command is not None:
212              event.Enable(command.Sensitive(self))              event.Enable(command.Sensitive(context))
213              event.SetText(command.DynText(self))              event.SetText(command.DynText(context))
214              if command.IsCheckCommand():              if command.IsCheckCommand():
215                  event.Check(command.Checked(self))                  event.Check(command.Checked(context))
216    
217      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):
218          """Run a modal message box with the given text, title and flags          """Run a modal message box with the given text, title and flags
# Line 255  class MainWindow(wxFrame): Line 260  class MainWindow(wxFrame):
260          If the can_veto parameter is true (default) the dialog includes          If the can_veto parameter is true (default) the dialog includes
261          a cancel button, otherwise not.          a cancel button, otherwise not.
262          """          """
263          if main.app.session.WasModified():          if self.application.session.WasModified():
264              flags = wxYES_NO | wxICON_QUESTION              flags = wxYES_NO | wxICON_QUESTION
265              if can_veto:              if can_veto:
266                  flags = flags | wxCANCEL                  flags = flags | wxCANCEL
# Line 271  class MainWindow(wxFrame): Line 276  class MainWindow(wxFrame):
276    
277      def NewSession(self):      def NewSession(self):
278          self.save_modified_session()          self.save_modified_session()
279          main.app.SetSession(create_empty_session())          self.application.SetSession(create_empty_session())
280    
281      def OpenSession(self):      def OpenSession(self):
282          self.save_modified_session()          self.save_modified_session()
283          dlg = wxFileDialog(self, "Select a session file", ".", "",          dlg = wxFileDialog(self, "Select a session file", ".", "",
284                             "*.thuban", wxOPEN)                             "*.thuban", wxOPEN)
285          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
286              main.app.OpenSession(dlg.GetPath())              self.application.OpenSession(dlg.GetPath())
287          dlg.Destroy()          dlg.Destroy()
288    
289      def SaveSession(self):      def SaveSession(self):
290          if main.app.session.filename == None:          if self.application.session.filename == None:
291              self.SaveSessionAs()              self.SaveSessionAs()
292          main.app.SaveSession()          self.application.SaveSession()
293    
294      def SaveSessionAs(self):      def SaveSessionAs(self):
295          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",
296                             "*.thuban", wxOPEN)                             "*.thuban", wxOPEN)
297          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
298              main.app.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
299              main.app.SaveSession()              self.application.SaveSession()
300          dlg.Destroy()          dlg.Destroy()
301    
302      def Exit(self):      def Exit(self):
# Line 311  class MainWindow(wxFrame): Line 316  class MainWindow(wxFrame):
316          name = "session_tree"          name = "session_tree"
317          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
318          if dialog is None:          if dialog is None:
319              dialog = tree.SessionTreeView(self, main.app, name)              dialog = tree.SessionTreeView(self, self.application, name)
320              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
321              dialog.Show(true)              dialog.Show(true)
322          else:          else:
# Line 357  class MainWindow(wxFrame): Line 362  class MainWindow(wxFrame):
362          layer = self.current_layer()          layer = self.current_layer()
363          if layer is not None:          if layer is not None:
364              self.canvas.Map().RaiseLayer(layer)              self.canvas.Map().RaiseLayer(layer)
365            
366      def LowerLayer(self):      def LowerLayer(self):
367          layer = self.current_layer()          layer = self.current_layer()
368          if layer is not None:          if layer is not None:
# Line 497  class MainWindow(wxFrame): Line 502  class MainWindow(wxFrame):
502    
503  # Helper functions to define common command implementations  # Helper functions to define common command implementations
504  def call_method(context, methodname, *args):  def call_method(context, methodname, *args):
505      """Call the context's method methodname with args *args"""      """Call the mainwindow's method methodname with args *args"""
506      apply(getattr(context, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
507    
508  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
509                      icon = "", sensitive = None):                      icon = "", sensitive = None):
510      """Add a command implemented by a method of the context object"""      """Add a command implemented by a method of the mainwindow object"""
511      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
512                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
513                           sensitive = sensitive))                           sensitive = sensitive))
# Line 511  def _tool_command(name, title, method, t Line 516  def _tool_command(name, title, method, t
516                    icon = ""):                    icon = ""):
517      """Add a tool command"""      """Add a tool command"""
518      def check_current_tool(context, name=toolname):      def check_current_tool(context, name=toolname):
519          return context.canvas.CurrentTool() == name          return context.mainwindow.canvas.CurrentTool() == name
520      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
521                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
522                           checked = check_current_tool))                           checked = check_current_tool))
523    
524  def _has_selected_layer(context):  def _has_selected_layer(context):
525      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
526      return context.has_selected_layer()      return context.mainwindow.has_selected_layer()
527    
528  # File menu  # File menu
529  _method_command("new_session", "&New Session", "NewSession")  _method_command("new_session", "&New Session", "NewSession")
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