/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 1625 by bh, Thu Aug 21 16:02:23 2003 UTC revision 2051 by frank, Wed Jan 21 17:09:15 2004 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, has_postgis_support  from Thuban.Model.postgisdb import PostGISShapeStore, has_postgis_support
# 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 372  class MainWindow(DockFrame): Line 378  class MainWindow(DockFrame):
378    
379      def OpenSession(self):      def OpenSession(self):
380          if self.save_modified_session() != wxID_CANCEL:          if self.save_modified_session() != wxID_CANCEL:
381              dlg = wxFileDialog(self, _("Open Session"), ".", "",              dlg = wxFileDialog(self, _("Open Session"),
382                                   self.application.Path("data"), "",
383                                 "Thuban Session File (*.thuban)|*.thuban",                                 "Thuban Session File (*.thuban)|*.thuban",
384                                 wxOPEN)                                 wxOPEN)
385              if dlg.ShowModal() == wxID_OK:              if dlg.ShowModal() == wxID_OK:
386                  self.application.OpenSession(dlg.GetPath())                  self.application.OpenSession(dlg.GetPath(),
387                                                 self.run_db_param_dialog)
388                    self.application.SetPath("data", dlg.GetPath())
389              dlg.Destroy()              dlg.Destroy()
390    
391        def run_db_param_dialog(self, parameters, message):
392            dlg = DBDialog(self, _("DB Connection Parameters"), parameters,
393                           message)
394            return dlg.RunDialog()
395    
396      def SaveSession(self):      def SaveSession(self):
397          if self.application.session.filename == None:          if self.application.session.filename == None:
398              self.SaveSessionAs()              self.SaveSessionAs()
# Line 386  class MainWindow(DockFrame): Line 400  class MainWindow(DockFrame):
400              self.application.SaveSession()              self.application.SaveSession()
401    
402      def SaveSessionAs(self):      def SaveSessionAs(self):
403          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"),
404                               self.application.Path("data"), "",
405                             "Thuban Session File (*.thuban)|*.thuban",                             "Thuban Session File (*.thuban)|*.thuban",
406                             wxSAVE|wxOVERWRITE_PROMPT)                             wxSAVE|wxOVERWRITE_PROMPT)
407          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
408              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
409              self.application.SaveSession()              self.application.SaveSession()
410                self.application.SetPath("data",dlg.GetPath())
411          dlg.Destroy()          dlg.Destroy()
412    
413      def Exit(self):      def Exit(self):
# Line 414  class MainWindow(DockFrame): Line 430  class MainWindow(DockFrame):
430    
431      def SetMap(self, map):      def SetMap(self, map):
432          self.canvas.SetMap(map)          self.canvas.SetMap(map)
433          self.__SetTitle(map.Title())          self.update_title()
434    
435          dialog = self.FindRegisteredDock("legend")          dialog = self.FindRegisteredDock("legend")
436          if dialog is not None:          if dialog is not None:
# Line 456  class MainWindow(DockFrame): Line 472  class MainWindow(DockFrame):
472          dialog.Raise()          dialog.Raise()
473    
474      def AddLayer(self):      def AddLayer(self):
475          dlg = wxFileDialog(self, _("Select one or more data files"), ".", "",          dlg = wxFileDialog(self, _("Select one or more data files"),
476                             _("Shapefiles (*.shp)") + "|*.shp|" +                             self.application.Path("data"), "",
477                             _("All Files (*.*)") + "|*.*",                             _("Shapefiles (*.shp)") + "|*.shp;*.SHP|" +
478                               _("All Files (*.*)") + "|*.*",
479                             wxOPEN | wxMULTIPLE)                             wxOPEN | wxMULTIPLE)
480          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
481              filenames = dlg.GetPaths()              filenames = dlg.GetPaths()
# Line 479  class MainWindow(DockFrame): Line 496  class MainWindow(DockFrame):
496                          # if we're adding a layer to an empty map, fit the                          # if we're adding a layer to an empty map, fit the
497                          # new map to the window                          # new map to the window
498                          self.canvas.FitMapToWindow()                          self.canvas.FitMapToWindow()
499                        self.application.SetPath("data",filename)
500          dlg.Destroy()          dlg.Destroy()
501    
502      def AddRasterLayer(self):      def AddRasterLayer(self):
503          dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",          dlg = wxFileDialog(self, _("Select an image file"),
504                               self.application.Path("data"), "", "*.*",
505                             wxOPEN)                             wxOPEN)
506          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
507              filename = dlg.GetPath()              filename = dlg.GetPath()
# Line 501  class MainWindow(DockFrame): Line 520  class MainWindow(DockFrame):
520                      # if we're adding a layer to an empty map, fit the                      # if we're adding a layer to an empty map, fit the
521                      # new map to the window                      # new map to the window
522                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
523                    self.application.SetPath("data", filename)
524          dlg.Destroy()          dlg.Destroy()
525    
526      def AddDBLayer(self):      def AddDBLayer(self):
527          """Add a layer read from a database"""          """Add a layer read from a database"""
528          session = self.application.Session()          session = self.application.Session()
529          dlg = ChooseDBTableDialog(self.application.Session(), self,-1, "")          dlg = ChooseDBTableDialog(self, self.application.Session())
530    
531          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
532              dbconn, dbtable = dlg.GetTable()              dbconn, dbtable = dlg.GetTable()
# Line 571  class MainWindow(DockFrame): Line 591  class MainWindow(DockFrame):
591          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
592          return self.canvas.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
593    
594        def has_selected_shape_layer(self):
595            """Return true if a shape layer is currently selected"""
596            return isinstance(self.current_layer(), Layer)
597    
598      def has_selected_shapes(self):      def has_selected_shapes(self):
599          """Return true if a shape is currently selected"""          """Return true if a shape is currently selected"""
600          return self.canvas.HasSelectedShapes()          return self.canvas.HasSelectedShapes()
# Line 706  class MainWindow(DockFrame): Line 730  class MainWindow(DockFrame):
730          return dialog is not None and dialog.IsShown()          return dialog is not None and dialog.IsShown()
731    
732      def TableOpen(self):      def TableOpen(self):
733          dlg = wxFileDialog(self, _("Open Table"), ".", "",          dlg = wxFileDialog(self, _("Open Table"),
734                               self.application.Path("data"), "",
735                             _("DBF Files (*.dbf)") + "|*.dbf|" +                             _("DBF Files (*.dbf)") + "|*.dbf|" +
736                             #_("CSV Files (*.csv)") + "|*.csv|" +                             #_("CSV Files (*.csv)") + "|*.csv|" +
737                             _("All Files (*.*)") + "|*.*",                             _("All Files (*.*)") + "|*.*",
# Line 722  class MainWindow(DockFrame): Line 747  class MainWindow(DockFrame):
747                                     _("Can't open the file '%s'.") % filename)                                     _("Can't open the file '%s'.") % filename)
748              else:              else:
749                  self.ShowTableView(table)                  self.ShowTableView(table)
750                    self.application.SetPath("data",filename)
751    
752      def TableClose(self):      def TableClose(self):
753          tables = self.application.session.UnreferencedTables()          tables = self.application.session.UnreferencedTables()
# Line 798  class MainWindow(DockFrame): Line 824  class MainWindow(DockFrame):
824    
825          # Second, let the user rename the layers          # Second, let the user rename the layers
826          for table in to_rename:          for table in to_rename:
827              dlg = wxTextEntryDialog(self, "Table Title: ", "Rename Table",              dlg = wxTextEntryDialog(self, _("Table Title:"), _("Rename Table"),
828                                      table.Title())                                      table.Title())
829              try:              try:
830                  if dlg.ShowModal() == wxID_OK:                  if dlg.ShowModal() == wxID_OK:
# Line 847  class MainWindow(DockFrame): Line 873  class MainWindow(DockFrame):
873          self.canvas.Print()          self.canvas.Print()
874    
875      def RenameMap(self):      def RenameMap(self):
876          dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",          dlg = wxTextEntryDialog(self, _("Map Title:"), _("Rename Map"),
877                                  self.Map().Title())                                  self.Map().Title())
878          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
879              title = dlg.GetValue()              title = dlg.GetValue()
880              if title != "":              if title != "":
881                  self.Map().SetTitle(title)                  self.Map().SetTitle(title)
                 self.__SetTitle(title)  
882    
883          dlg.Destroy()          dlg.Destroy()
884    
# Line 861  class MainWindow(DockFrame): Line 886  class MainWindow(DockFrame):
886          """Let the user rename the currently selected layer"""          """Let the user rename the currently selected layer"""
887          layer = self.current_layer()          layer = self.current_layer()
888          if layer is not None:          if layer is not None:
889              dlg = wxTextEntryDialog(self, "Layer Title: ", "Rename Layer",              dlg = wxTextEntryDialog(self, _("Layer Title:"), _("Rename Layer"),
890                                      layer.Title())                                      layer.Title())
891              try:              try:
892                  if dlg.ShowModal() == wxID_OK:                  if dlg.ShowModal() == wxID_OK:
# Line 895  class MainWindow(DockFrame): Line 920  class MainWindow(DockFrame):
920                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
921                  pass                  pass
922    
923      def __SetTitle(self, title):      def title_changed(self, map):
924          self.SetTitle("Thuban - " + title)          """Subscribed to the canvas' TITLE_CHANGED messages"""
925            self.update_title()
926    
927        def update_title(self):
928            """Update the window's title according to it's current state.
929    
930            In this default implementation the title is 'Thuban - ' followed
931            by the map's title or simply 'Thuban' if there is not map.
932            Derived classes should override this method to get different
933            titles.
934    
935            This method is called automatically by other methods when the
936            title may have to change. For the methods implemented in this
937            class this usually only means that a different map has been set
938            or the current map's title has changed.
939            """
940            map = self.Map()
941            if map is not None:
942                title = _("Thuban - %s") % (map.Title(),)
943            else:
944                title = _("Thuban")
945            self.SetTitle(title)
946    
947    
948  #  #
949  # Define all the commands available in the main window  # Define all the commands available in the main window
# Line 938  def _has_selected_layer(context): Line 985  def _has_selected_layer(context):
985      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
986      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
987    
988    def _has_selected_shape_layer(context):
989        """Return true if a shape layer is selected in the context"""
990        return context.mainwindow.has_selected_shape_layer()
991    
992  def _has_selected_shapes(context):  def _has_selected_shapes(context):
993      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
994      return context.mainwindow.has_selected_shapes()      return context.mainwindow.has_selected_shapes()
# Line 1074  _method_command("layer_hide", _("&Hide") Line 1125  _method_command("layer_hide", _("&Hide")
1125                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1126  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
1127                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
1128                  sensitive = _has_selected_layer)                  sensitive = _has_selected_shape_layer)
1129  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
1130                  sensitive = _has_selected_layer,                  sensitive = _has_selected_layer,
1131                  helptext = _("Edit the properties of the selected layer"))                  helptext = _("Edit the properties of the selected layer"))
1132  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
1133                  sensitive = _has_selected_layer,                  sensitive = _has_selected_shape_layer,
1134                  helptext = _("Join and attach a table to the selected layer"))                  helptext = _("Join and attach a table to the selected layer"))
1135    
1136  def _can_unjoin(context):  def _can_unjoin(context):
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