/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 1620 by bh, Wed Aug 20 13:14:22 2003 UTC revision 2017 by bh, Wed Dec 3 18:43:03 2003 UTC
# Line 12  The main window Line 12  The main window
12  """  """
13    
14  __version__ = "$Revision$"  __version__ = "$Revision$"
15    # $Source$
16  __ThubanVersion__ = "0.8" #"$THUBAN_0_2$"  # $Id$
 #__BuildDate__ = "$Date$"  
17    
18  import os  import os
19  import copy  import copy
20    
21  from wxPython.wx import *  from wxPython.wx import *
 from wxPython.wx import __version__ as wxPython_version  
22    
23  import Thuban  import Thuban
 import Thuban.version  
24    
25  from Thuban import _  from Thuban import _
26    from Thuban.Model.messages import TITLE_CHANGED
27  from Thuban.Model.session import create_empty_session  from Thuban.Model.session import create_empty_session
28  from Thuban.Model.layer import Layer, RasterLayer  from Thuban.Model.layer import Layer, RasterLayer
29  from Thuban.Model.postgisdb import PostGISShapeStore  from Thuban.Model.postgisdb import PostGISShapeStore, has_postgis_support
30  # XXX: replace this by  # XXX: replace this by
31  # from wxPython.lib.dialogs import wxMultipleChoiceDialog  # from wxPython.lib.dialogs import wxMultipleChoiceDialog
32  # when Thuban does not support wxPython 2.4.0 any more.  # when Thuban does not support wxPython 2.4.0 any more.
# Line 49  from about import About Line 47  from about import About
47    
48  from Thuban.UI.dock import DockFrame  from Thuban.UI.dock import DockFrame
49  from Thuban.UI.join import JoinDialog  from Thuban.UI.join import JoinDialog
50  from Thuban.UI.dbdialog import DBFrame, ChooseDBTableDialog  from Thuban.UI.dbdialog import DBFrame, DBDialog, ChooseDBTableDialog
51  import resource  import resource
52  import Thuban.Model.resource  import Thuban.Model.resource
53    
# Line 104  class MainWindow(DockFrame): Line 102  class MainWindow(DockFrame):
102          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
103          canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)          canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)
104          self.canvas = canvas          self.canvas = canvas
105            self.canvas.Subscribe(TITLE_CHANGED, self.title_changed)
106    
107          self.SetMainWindow(self.canvas)          self.SetMainWindow(self.canvas)
108    
# Line 135  class MainWindow(DockFrame): Line 134  class MainWindow(DockFrame):
134          """          """
135          if channel in self.delegated_messages:          if channel in self.delegated_messages:
136              object = getattr(self, self.delegated_messages[channel])              object = getattr(self, self.delegated_messages[channel])
137              object.Unsubscribe(channel, *args)              try:
138                    object.Unsubscribe(channel, *args)
139                except wxPyDeadObjectError:
140                    # The object was a wxObject and has already been
141                    # destroyed. Hopefully it has unsubscribed all its
142                    # subscribers already so that it's OK if we do nothing
143                    # here
144                    pass
145    
146      def __getattr__(self, attr):      def __getattr__(self, attr):
147          """If attr is one of the delegated methods return that method          """If attr is one of the delegated methods return that method
# Line 376  class MainWindow(DockFrame): Line 382  class MainWindow(DockFrame):
382                                 "Thuban Session File (*.thuban)|*.thuban",                                 "Thuban Session File (*.thuban)|*.thuban",
383                                 wxOPEN)                                 wxOPEN)
384              if dlg.ShowModal() == wxID_OK:              if dlg.ShowModal() == wxID_OK:
385                  self.application.OpenSession(dlg.GetPath())                  self.application.OpenSession(dlg.GetPath(),
386                                                 self.run_db_param_dialog)
387              dlg.Destroy()              dlg.Destroy()
388    
389        def run_db_param_dialog(self, parameters, message):
390            dlg = DBDialog(self, _("DB Connection Parameters"), parameters,
391                           message)
392            return dlg.RunDialog()
393    
394      def SaveSession(self):      def SaveSession(self):
395          if self.application.session.filename == None:          if self.application.session.filename == None:
396              self.SaveSessionAs()              self.SaveSessionAs()
# Line 414  class MainWindow(DockFrame): Line 426  class MainWindow(DockFrame):
426    
427      def SetMap(self, map):      def SetMap(self, map):
428          self.canvas.SetMap(map)          self.canvas.SetMap(map)
429          self.__SetTitle(map.Title())          self.update_title()
430    
431          dialog = self.FindRegisteredDock("legend")          dialog = self.FindRegisteredDock("legend")
432          if dialog is not None:          if dialog is not None:
# Line 456  class MainWindow(DockFrame): Line 468  class MainWindow(DockFrame):
468          dialog.Raise()          dialog.Raise()
469    
470      def AddLayer(self):      def AddLayer(self):
471          dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",          dlg = wxFileDialog(self, _("Select one or more data files"), ".", "",
472                             wxOPEN)                             _("Shapefiles (*.shp)") + "|*.shp;*.SHP|" +
473                               _("All Files (*.*)") + "|*.*",
474                               wxOPEN | wxMULTIPLE)
475          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
476              filename = dlg.GetPath()              filenames = dlg.GetPaths()
477              title = os.path.splitext(os.path.basename(filename))[0]              for filename in filenames:
478              map = self.canvas.Map()                  title = os.path.splitext(os.path.basename(filename))[0]
479              has_layers = map.HasLayers()                  map = self.canvas.Map()
480              try:                  has_layers = map.HasLayers()
481                  store = self.application.Session().OpenShapefile(filename)                  try:
482              except IOError:                      store = self.application.Session().OpenShapefile(filename)
483                  # the layer couldn't be opened                  except IOError:
484                  self.RunMessageBox(_("Add Layer"),                      # the layer couldn't be opened
485                                     _("Can't open the file '%s'.") % filename)                      self.RunMessageBox(_("Add Layer"),
486              else:                                         _("Can't open the file '%s'.")%filename)
487                  layer = Layer(title, store)                  else:
488                  map.AddLayer(layer)                      layer = Layer(title, store)
489                  if not has_layers:                      map.AddLayer(layer)
490                      # if we're adding a layer to an empty map, fit the                      if not has_layers:
491                      # new map to the window                          # if we're adding a layer to an empty map, fit the
492                      self.canvas.FitMapToWindow()                          # new map to the window
493                            self.canvas.FitMapToWindow()
494          dlg.Destroy()          dlg.Destroy()
495    
496      def AddRasterLayer(self):      def AddRasterLayer(self):
# Line 503  class MainWindow(DockFrame): Line 518  class MainWindow(DockFrame):
518      def AddDBLayer(self):      def AddDBLayer(self):
519          """Add a layer read from a database"""          """Add a layer read from a database"""
520          session = self.application.Session()          session = self.application.Session()
521          dlg = ChooseDBTableDialog(self.application.Session(), self,-1, "")          dlg = ChooseDBTableDialog(self, self.application.Session())
522    
523          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
524              dbconn, dbtable = dlg.GetTable()              dbconn, dbtable = dlg.GetTable()
# Line 850  class MainWindow(DockFrame): Line 865  class MainWindow(DockFrame):
865              title = dlg.GetValue()              title = dlg.GetValue()
866              if title != "":              if title != "":
867                  self.Map().SetTitle(title)                  self.Map().SetTitle(title)
                 self.__SetTitle(title)  
868    
869          dlg.Destroy()          dlg.Destroy()
870    
# Line 892  class MainWindow(DockFrame): Line 906  class MainWindow(DockFrame):
906                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
907                  pass                  pass
908    
909      def __SetTitle(self, title):      def title_changed(self, map):
910          self.SetTitle("Thuban - " + title)          """Subscribed to the canvas' TITLE_CHANGED messages"""
911            self.update_title()
912    
913        def update_title(self):
914            """Update the window's title according to it's current state.
915    
916            In this default implementation the title is 'Thuban - ' followed
917            by the map's title or simply 'Thuban' if there is not map.
918            Derived classes should override this method to get different
919            titles.
920    
921            This method is called automatically by other methods when the
922            title may have to change. For the methods implemented in this
923            class this usually only means that a different map has been set
924            or the current map's title has changed.
925            """
926            map = self.Map()
927            if map is not None:
928                title = _("Thuban - %s") % (map.Title(),)
929            else:
930                title = _("Thuban")
931            self.SetTitle(title)
932    
933    
934  #  #
935  # Define all the commands available in the main window  # Define all the commands available in the main window
# Line 969  def _has_dbconnections(context): Line 1005  def _has_dbconnections(context):
1005      """Return whether the the session has database connections"""      """Return whether the the session has database connections"""
1006      return context.session.HasDBConnections()      return context.session.HasDBConnections()
1007    
1008    def _has_postgis_support(context):
1009        return has_postgis_support()
1010    
1011    
1012  # File menu  # File menu
1013  _method_command("new_session", _("&New Session"), "NewSession",  _method_command("new_session", _("&New Session"), "NewSession",
1014                  helptext = _("Start a new session"))                  helptext = _("Start a new session"))
# Line 985  _method_command("toggle_legend", _("Lege Line 1025  _method_command("toggle_legend", _("Lege
1025                  checked = _has_legend_shown,                  checked = _has_legend_shown,
1026                  helptext = _("Toggle Legend on/off"))                  helptext = _("Toggle Legend on/off"))
1027  _method_command("database_management", _("&Database Connections..."),  _method_command("database_management", _("&Database Connections..."),
1028                  "DatabaseManagement")                  "DatabaseManagement",
1029                    sensitive = _has_postgis_support)
1030  _method_command("exit", _("E&xit"), "Exit",  _method_command("exit", _("E&xit"), "Exit",
1031                  helptext = _("Finish working with Thuban"))                  helptext = _("Finish working with Thuban"))
1032    
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