/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 624 by bh, Mon Apr 7 13:34:54 2003 UTC revision 1620 by bh, Wed Aug 20 13:14:22 2003 UTC
# Line 2  Line 2 
2  # Authors:  # Authors:
3  # Jan-Oliver Wagner <[email protected]>  # Jan-Oliver Wagner <[email protected]>
4  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
5    # Frank Koormann <[email protected]>
6  #  #
7  # This program is free software under the GPL (>=v2)  # This program is free software under the GPL (>=v2)
8  # Read the file COPYING coming with Thuban for details.  # Read the file COPYING coming with Thuban for details.
# Line 12  The main window Line 13  The main window
13    
14  __version__ = "$Revision$"  __version__ = "$Revision$"
15    
16  __ThubanVersion__ = "0.2" #"$THUBAN_0_2$"  __ThubanVersion__ = "0.8" #"$THUBAN_0_2$"
17  #__BuildDate__ = "$Date$"  #__BuildDate__ = "$Date$"
18    
19  import os  import os
20    import copy
21    
22  from wxPython.wx import *  from wxPython.wx import *
23    from wxPython.wx import __version__ as wxPython_version
24    
25  import Thuban  import Thuban
26    import Thuban.version
27    
28  from Thuban import _  from Thuban import _
29  from Thuban.Model.session import create_empty_session  from Thuban.Model.session import create_empty_session
30  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer, RasterLayer
31  from Thuban.Model.color import Color  from Thuban.Model.postgisdb import PostGISShapeStore
32  from Thuban.Model.proj import Projection  # XXX: replace this by
33    # from wxPython.lib.dialogs import wxMultipleChoiceDialog
34    # when Thuban does not support wxPython 2.4.0 any more.
35    from Thuban.UI.multiplechoicedialog import wxMultipleChoiceDialog
36    
37  import view  import view
38  import tree  import tree
 import proj4dialog  
39  import tableview, identifyview  import tableview, identifyview
40  import classifier  from Thuban.UI.classifier import Classifier
41  import legend  import legend
42  from menu import Menu  from menu import Menu
43    
44  from context import Context  from context import Context
45  from command import registry, Command, ToolCommand  from command import registry, Command, ToolCommand
46  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION, DOCKABLE_DOCKED, DOCKABLE_UNDOCKED, DOCKABLE_CLOSED  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION, \
47         MAP_REPLACED
48  from Thuban.UI.dock import DockableWindow, DockFrame, DockPanel  from about import About
49    
50    from Thuban.UI.dock import DockFrame
51    from Thuban.UI.join import JoinDialog
52    from Thuban.UI.dbdialog import DBFrame, ChooseDBTableDialog
53    import resource
54    import Thuban.Model.resource
55    
56  # the directory where the toolbar icons are stored  import projdialog
 bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  
 bitmapext = ".xpm"  
   
 ID_WINDOW_LEGEND = 4001  
 ID_WINDOW_CANVAS = 4002  
57    
58    
59  class MainWindow(DockFrame):  class MainWindow(DockFrame):
# Line 57  class MainWindow(DockFrame): Line 64  class MainWindow(DockFrame):
64      # actually come from. This delegation is implemented in the      # actually come from. This delegation is implemented in the
65      # Subscribe and unsubscribed methods      # Subscribe and unsubscribed methods
66      delegated_messages = {LAYER_SELECTED: "canvas",      delegated_messages = {LAYER_SELECTED: "canvas",
67                            SHAPES_SELECTED: "canvas"}                            SHAPES_SELECTED: "canvas",
68                              MAP_REPLACED: "canvas"}
69    
70      # Methods delegated to some instance variables. The delegation is      # Methods delegated to some instance variables. The delegation is
71      # implemented in the __getattr__ method.      # implemented in the __getattr__ method.
72      delegated_methods = {"SelectLayer": "canvas",      delegated_methods = {"SelectLayer": "canvas",
73                           "SelectShapes": "canvas",                           "SelectShapes": "canvas",
74                             "SelectedLayer": "canvas",
75                             "SelectedShapes": "canvas",
76                           }                           }
77    
78      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
# Line 101  class MainWindow(DockFrame): Line 111  class MainWindow(DockFrame):
111    
112          self.init_dialogs()          self.init_dialogs()
113    
114          EVT_CLOSE(self, self._OnClose)          self.ShowLegend()
115    
116            EVT_CLOSE(self, self.OnClose)
117    
118      def Subscribe(self, channel, *args):      def Subscribe(self, channel, *args):
119          """Subscribe a function to a message channel.          """Subscribe a function to a message channel.
# Line 243  class MainWindow(DockFrame): Line 255  class MainWindow(DockFrame):
255              command = registry.Command(name)              command = registry.Command(name)
256              if command is not None:              if command is not None:
257                  ID = self.get_id(name)                  ID = self.get_id(name)
258                  filename = os.path.join(bitmapdir, command.Icon()) + bitmapext                  bitmap = resource.GetBitmapResource(command.Icon(),
259                  bitmap = wxBitmap(filename, wxBITMAP_TYPE_XPM)                                                      wxBITMAP_TYPE_XPM)
260                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
261                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
262                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
# Line 354  class MainWindow(DockFrame): Line 366  class MainWindow(DockFrame):
366              result = wxID_NO              result = wxID_NO
367          return result          return result
368    
     def prepare_new_session(self):  
         for d in self.dialogs.values():  
             if not isinstance(d, tree.SessionTreeView):  
                 d.Close()  
   
369      def NewSession(self):      def NewSession(self):
370          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
371          self.prepare_new_session()              self.application.SetSession(create_empty_session())
         self.application.SetSession(create_empty_session())  
372    
373      def OpenSession(self):      def OpenSession(self):
374          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
375          dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)              dlg = wxFileDialog(self, _("Open Session"), ".", "",
376          if dlg.ShowModal() == wxID_OK:                                 "Thuban Session File (*.thuban)|*.thuban",
377              self.prepare_new_session()                                 wxOPEN)
378              self.application.OpenSession(dlg.GetPath())              if dlg.ShowModal() == wxID_OK:
379          dlg.Destroy()                  self.application.OpenSession(dlg.GetPath())
380                dlg.Destroy()
381    
382      def SaveSession(self):      def SaveSession(self):
383          if self.application.session.filename == None:          if self.application.session.filename == None:
# Line 380  class MainWindow(DockFrame): Line 387  class MainWindow(DockFrame):
387    
388      def SaveSessionAs(self):      def SaveSessionAs(self):
389          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
390                             "*.thuban", wxOPEN)                             "Thuban Session File (*.thuban)|*.thuban",
391                               wxSAVE|wxOVERWRITE_PROMPT)
392          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
393              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
394              self.application.SaveSession()              self.application.SaveSession()
# Line 389  class MainWindow(DockFrame): Line 397  class MainWindow(DockFrame):
397      def Exit(self):      def Exit(self):
398          self.Close(False)          self.Close(False)
399    
400      def _OnClose(self, event):      def OnClose(self, event):
401          result = self.save_modified_session(can_veto = event.CanVeto())          result = self.save_modified_session(can_veto = event.CanVeto())
402          if result == wxID_CANCEL:          if result == wxID_CANCEL:
403              event.Veto()              event.Veto()
# Line 398  class MainWindow(DockFrame): Line 406  class MainWindow(DockFrame):
406              # wx's destroy event, but that isn't implemented for wxGTK              # wx's destroy event, but that isn't implemented for wxGTK
407              # yet.              # yet.
408              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
409              DockFrame._OnClose(self, event)              DockFrame.OnClose(self, event)
410                for dlg in self.dialogs.values():
411                    dlg.Destroy()
412                self.canvas.Destroy()
413              self.Destroy()              self.Destroy()
414    
415      def SetMap(self, map):      def SetMap(self, map):
416          self.canvas.SetMap(map)          self.canvas.SetMap(map)
417          #self.legendPanel.SetMap(map)          self.__SetTitle(map.Title())
418    
419            dialog = self.FindRegisteredDock("legend")
420            if dialog is not None:
421                dialog.GetPanel().SetMap(self.Map())
422    
423      def Map(self):      def Map(self):
424          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
425    
         # sanity check  
         #assert(self.canvas.Map() is self.legendPanel.GetMap())  
   
426          return self.canvas.Map()          return self.canvas.Map()
427    
428      def ToggleSessionTree(self):      def ToggleSessionTree(self):
# Line 429  class MainWindow(DockFrame): Line 441  class MainWindow(DockFrame):
441          return self.get_open_dialog("session_tree") is not None          return self.get_open_dialog("session_tree") is not None
442    
443      def About(self):      def About(self):
444          self.RunMessageBox(_("About"),          dlg = About(self)
445                             _("Thuban v%s\n"          dlg.ShowModal()
446                              #"Build Date: %s\n"          dlg.Destroy()
447                              "\n"  
448                              "Thuban is a program for\n"      def DatabaseManagement(self):
449                              "exploring geographic data.\n"          name = "dbmanagement"
450                              "Copyright (C) 2001-2003 Intevation GmbH.\n"          dialog = self.get_open_dialog(name)
451                              "Thuban is licensed under the GNU GPL"          if dialog is None:
452                             % __ThubanVersion__), #__BuildDate__)),              map = self.canvas.Map()
453                             wxOK | wxICON_INFORMATION)              dialog = DBFrame(self, name, self.application.Session())
454                self.add_dialog(name, dialog)
455                dialog.Show()
456            dialog.Raise()
457    
458      def AddLayer(self):      def AddLayer(self):
459          dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",          dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",
# Line 446  class MainWindow(DockFrame): Line 461  class MainWindow(DockFrame):
461          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
462              filename = dlg.GetPath()              filename = dlg.GetPath()
463              title = os.path.splitext(os.path.basename(filename))[0]              title = os.path.splitext(os.path.basename(filename))[0]
             layer = Layer(title, filename)  
464              map = self.canvas.Map()              map = self.canvas.Map()
465              has_layers = map.HasLayers()              has_layers = map.HasLayers()
466              try:              try:
467                  map.AddLayer(layer)                  store = self.application.Session().OpenShapefile(filename)
468              except IOError:              except IOError:
469                  # the layer couldn't be opened                  # the layer couldn't be opened
470                  self.RunMessageBox(_("Add Layer"),                  self.RunMessageBox(_("Add Layer"),
471                                     _("Can't open the file '%s'.") % filename)                                     _("Can't open the file '%s'.") % filename)
472              else:              else:
473                    layer = Layer(title, store)
474                    map.AddLayer(layer)
475                  if not has_layers:                  if not has_layers:
476                      # if we're adding a layer to an empty map, fit the                      # if we're adding a layer to an empty map, fit the
477                      # new map to the window                      # new map to the window
478                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
479          dlg.Destroy()          dlg.Destroy()
480    
481        def AddRasterLayer(self):
482            dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",
483                               wxOPEN)
484            if dlg.ShowModal() == wxID_OK:
485                filename = dlg.GetPath()
486                title = os.path.splitext(os.path.basename(filename))[0]
487                map = self.canvas.Map()
488                has_layers = map.HasLayers()
489                try:
490                    layer = RasterLayer(title, filename)
491                except IOError:
492                    # the layer couldn't be opened
493                    self.RunMessageBox(_("Add Image Layer"),
494                                       _("Can't open the file '%s'.") % filename)
495                else:
496                    map.AddLayer(layer)
497                    if not has_layers:
498                        # if we're adding a layer to an empty map, fit the
499                        # new map to the window
500                        self.canvas.FitMapToWindow()
501            dlg.Destroy()
502    
503        def AddDBLayer(self):
504            """Add a layer read from a database"""
505            session = self.application.Session()
506            dlg = ChooseDBTableDialog(self.application.Session(), self,-1, "")
507    
508            if dlg.ShowModal() == wxID_OK:
509                dbconn, dbtable = dlg.GetTable()
510                try:
511                    title = str(dbtable)
512    
513                    # Chose the correct Interface for the database type
514                    store = PostGISShapeStore(dbconn, dbtable)
515                    session.AddShapeStore(store)
516                    layer = Layer(title, store)
517                except:
518                    # Some error occured while initializing the layer
519                    self.RunMessageBox(_("Add Layer from database"),
520                                       _("Can't open the database table '%s'")
521                                       % dbtable)
522    
523                map = self.canvas.Map()
524    
525                has_layers = map.HasLayers()
526                map.AddLayer(layer)
527                if not has_layers:
528                    self.canvas.FitMapToWindow()
529    
530            dlg.Destroy()
531    
532      def RemoveLayer(self):      def RemoveLayer(self):
533          layer = self.current_layer()          layer = self.current_layer()
534          if layer is not None:          if layer is not None:
# Line 501  class MainWindow(DockFrame): Line 568  class MainWindow(DockFrame):
568          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
569          return self.canvas.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
570    
571      def choose_color(self):      def has_selected_shapes(self):
572          """Run the color selection dialog and return the selected color.          """Return true if a shape is currently selected"""
573            return self.canvas.HasSelectedShapes()
         If the user cancels, return None.  
         """  
         dlg = wxColourDialog(self)  
         color = None  
         if dlg.ShowModal() == wxID_OK:  
             data = dlg.GetColourData()  
             wxc = data.GetColour()  
             color = Color(wxc.Red() / 255.0,  
                           wxc.Green() / 255.0,  
                           wxc.Blue() / 255.0)  
         dlg.Destroy()  
         return color  
574    
575      def LayerFillColor(self):      def HideLayer(self):
         layer = self.current_layer()  
         if layer is not None:  
             color = self.choose_color()  
             if color is not None:  
                 layer.GetClassification().SetDefaultFill(color)  
   
     def LayerTransparentFill(self):  
576          layer = self.current_layer()          layer = self.current_layer()
577          if layer is not None:          if layer is not None:
578              layer.GetClassification().SetDefaultFill(Color.Transparent)              layer.SetVisible(0)
579    
580      def LayerOutlineColor(self):      def ShowLayer(self):
581          layer = self.current_layer()          layer = self.current_layer()
582          if layer is not None:          if layer is not None:
583              color = self.choose_color()              layer.SetVisible(1)
             if color is not None:  
                 layer.GetClassification().SetDefaultLineColor(color)  
584    
585      def LayerNoOutline(self):      def DuplicateLayer(self):
586            """Ceate a new layer above the selected layer with the same shapestore
587            """
588          layer = self.current_layer()          layer = self.current_layer()
589          if layer is not None:          if layer is not None and hasattr(layer, "ShapeStore"):
590              layer.GetClassification().SetDefaultLineColor(Color.Transparent)              new_layer = Layer(_("Copy of `%s'") % layer.Title(),
591                                  layer.ShapeStore(),
592                                  projection = layer.GetProjection())
593                new_classification = copy.deepcopy(layer.GetClassification())
594                new_layer.SetClassification(new_classification)
595                self.Map().AddLayer(new_layer)
596    
597      def HideLayer(self):      def CanDuplicateLayer(self):
598            """Return whether the DuplicateLayer method can create a duplicate"""
599          layer = self.current_layer()          layer = self.current_layer()
600          if layer is not None:          return layer is not None and hasattr(layer, "ShapeStore")
             layer.SetVisible(0)  
           
     def ShowLayer(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetVisible(1)  
601    
602      def LayerShowTable(self):      def LayerShowTable(self):
603          layer = self.current_layer()          layer = self.current_layer()
604          if layer is not None:          if layer is not None:
605              table = layer.table              table = layer.ShapeStore().Table()
606              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
607              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
608              if dialog is None:              if dialog is None:
609                  dialog = tableview.LayerTableFrame(self, name,                  dialog = tableview.LayerTableFrame(self, name,
610                                                 _("Table: %s") % layer.Title(),                                           _("Layer Table: %s") % layer.Title(),
611                                                     layer, table)                                           layer, table)
612                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
613                  dialog.Show(true)                  dialog.Show(True)
614              else:              else:
615                  # FIXME: bring dialog to front here                  # FIXME: bring dialog to front here
616                  pass                  pass
617    
618      def Projection(self):      def MapProjection(self):
619          map = self.canvas.Map()  
620          proj = map.projection          name = "map_projection"
621          if proj is None:          dialog = self.get_open_dialog(name)
622              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())  
623          else:          if dialog is None:
624              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,              map = self.canvas.Map()
625                                                 map.BoundingBox())              dialog = projdialog.ProjFrame(self, name,
626          if proj4Dlg.ShowModal() == wxID_OK:                       _("Map Projection: %s") % map.Title(), map)
627              params = proj4Dlg.GetParams()              self.add_dialog(name, dialog)
628              if params is not None:              dialog.Show()
629                  proj = Projection(params)          dialog.Raise()
630              else:  
631                  proj = None      def LayerProjection(self):
632              map.SetProjection(proj)  
633          proj4Dlg.Destroy()          layer = self.current_layer()
634    
635            name = "layer_projection" + str(id(layer))
636            dialog = self.get_open_dialog(name)
637    
638      def Classify(self):          if dialog is None:
639                map = self.canvas.Map()
640                dialog = projdialog.ProjFrame(self, name,
641                         _("Layer Projection: %s") % layer.Title(), layer)
642                self.add_dialog(name, dialog)
643                dialog.Show()
644            dialog.Raise()
645    
646        def LayerEditProperties(self):
647    
648          #          #
649          # the menu option for this should only be available if there          # the menu option for this should only be available if there
# Line 593  class MainWindow(DockFrame): Line 652  class MainWindow(DockFrame):
652          #          #
653    
654          layer = self.current_layer()          layer = self.current_layer()
655          self.OpenClassifier(layer)          self.OpenLayerProperties(layer)
656    
657      def OpenClassifier(self, layer, group = None):      def OpenLayerProperties(self, layer, group = None):
658          name = "classifier" + str(id(layer))          name = "layer_properties" + str(id(layer))
659          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
660    
661          if dialog is None:          if dialog is None:
662              dialog = classifier.Classifier(self, name, layer, group)              dialog = Classifier(self, name, self.Map(), layer, group)
663              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
664              dialog.Show()              dialog.Show()
665          dialog.Raise()          dialog.Raise()
666    
667        def LayerJoinTable(self):
668            layer = self.canvas.SelectedLayer()
669            if layer is not None:
670                dlg = JoinDialog(self, _("Join Layer with Table"),
671                                 self.application.session,
672                                 layer = layer)
673                dlg.ShowModal()
674    
675        def LayerUnjoinTable(self):
676            layer = self.canvas.SelectedLayer()
677            if layer is not None:
678                orig_store = layer.ShapeStore().OrigShapeStore()
679                if orig_store:
680                    layer.SetShapeStore(orig_store)
681    
682      def ShowLegend(self):      def ShowLegend(self):
683          if not self.LegendShown():          if not self.LegendShown():
# Line 616  class MainWindow(DockFrame): Line 689  class MainWindow(DockFrame):
689          dialog = self.FindRegisteredDock(name)          dialog = self.FindRegisteredDock(name)
690    
691          if dialog is None:          if dialog is None:
692              title = "Legend: %s" % self.Map().Title()              dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
             dialog = self.CreateDock(name, -1, title, wxLAYOUT_LEFT)  
693              legend.LegendPanel(dialog, None, self)              legend.LegendPanel(dialog, None, self)
694              dialog.Dock()              dialog.Dock()
695              dialog.GetPanel().SetMap(self.Map())              dialog.GetPanel().SetMap(self.Map())
# Line 630  class MainWindow(DockFrame): Line 702  class MainWindow(DockFrame):
702          dialog = self.FindRegisteredDock("legend")          dialog = self.FindRegisteredDock("legend")
703          return dialog is not None and dialog.IsShown()          return dialog is not None and dialog.IsShown()
704    
705        def TableOpen(self):
706            dlg = wxFileDialog(self, _("Open Table"), ".", "",
707                               _("DBF Files (*.dbf)") + "|*.dbf|" +
708                               #_("CSV Files (*.csv)") + "|*.csv|" +
709                               _("All Files (*.*)") + "|*.*",
710                               wxOPEN)
711            if dlg.ShowModal() == wxID_OK:
712                filename = dlg.GetPath()
713                dlg.Destroy()
714                try:
715                    table = self.application.session.OpenTableFile(filename)
716                except IOError:
717                    # the layer couldn't be opened
718                    self.RunMessageBox(_("Open Table"),
719                                       _("Can't open the file '%s'.") % filename)
720                else:
721                    self.ShowTableView(table)
722    
723        def TableClose(self):
724            tables = self.application.session.UnreferencedTables()
725    
726            lst = [(t.Title(), t) for t in tables]
727            lst.sort()
728            titles = [i[0] for i in lst]
729            dlg = wxMultipleChoiceDialog(self, _("Pick the tables to close:"),
730                                         _("Close Table"), titles,
731                                         size = (400, 300),
732                                         style = wxDEFAULT_DIALOG_STYLE |
733                                                 wxRESIZE_BORDER)
734            if dlg.ShowModal() == wxID_OK:
735                for i in dlg.GetValue():
736                    self.application.session.RemoveTable(lst[i][1])
737    
738    
739        def TableShow(self):
740            """Offer a multi-selection dialog for tables to be displayed
741    
742            The windows for the selected tables are opened or brought to
743            the front.
744            """
745            tables = self.application.session.Tables()
746    
747            lst = [(t.Title(), t) for t in tables]
748            lst.sort()
749            titles = [i[0] for i in lst]
750            dlg = wxMultipleChoiceDialog(self, _("Pick the table to show:"),
751                                         _("Show Table"), titles,
752                                         size = (400,300),
753                                         style = wxDEFAULT_DIALOG_STYLE |
754                                                 wxRESIZE_BORDER)
755            if (dlg.ShowModal() == wxID_OK):
756                for i in dlg.GetValue():
757                    # XXX: if the table belongs to a layer, open a
758                    # LayerTableFrame instead of QueryTableFrame
759                    self.ShowTableView(lst[i][1])
760    
761        def TableJoin(self):
762            dlg = JoinDialog(self, _("Join Tables"), self.application.session)
763            dlg.ShowModal()
764    
765        def ShowTableView(self, table):
766            """Open a table view for the table and optionally"""
767            name = "table_view%d" % id(table)
768            dialog = self.get_open_dialog(name)
769            if dialog is None:
770                dialog = tableview.QueryTableFrame(self, name,
771                                                   _("Table: %s") % table.Title(),
772                                                   table)
773                self.add_dialog(name, dialog)
774                dialog.Show(True)
775            dialog.Raise()
776    
777        def TableRename(self):
778            """Let the user rename a table"""
779    
780            # First, let the user select a table
781            tables = self.application.session.Tables()
782            lst = [(t.Title(), t) for t in tables]
783            lst.sort()
784            titles = [i[0] for i in lst]
785            dlg = wxMultipleChoiceDialog(self, _("Pick the table to rename:"),
786                                         _("Rename Table"), titles,
787                                         size = (400,300),
788                                         style = wxDEFAULT_DIALOG_STYLE |
789                                                 wxRESIZE_BORDER)
790            if (dlg.ShowModal() == wxID_OK):
791                to_rename = [lst[i][1] for i in dlg.GetValue()]
792                dlg.Destroy()
793            else:
794                to_rename = []
795    
796            # Second, let the user rename the layers
797            for table in to_rename:
798                dlg = wxTextEntryDialog(self, "Table Title: ", "Rename Table",
799                                        table.Title())
800                try:
801                    if dlg.ShowModal() == wxID_OK:
802                        title = dlg.GetValue()
803                        if title != "":
804                            table.SetTitle(title)
805    
806                            # Make sure the session is marked as modified.
807                            # FIXME: This should be handled automatically,
808                            # but that requires more changes to the tables
809                            # than I have time for currently.
810                            self.application.session.changed()
811                finally:
812                    dlg.Destroy()
813    
814    
815      def ZoomInTool(self):      def ZoomInTool(self):
816          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
817    
# Line 649  class MainWindow(DockFrame): Line 831  class MainWindow(DockFrame):
831      def FullExtent(self):      def FullExtent(self):
832          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
833    
834        def FullLayerExtent(self):
835            self.canvas.FitLayerToWindow(self.current_layer())
836    
837        def FullSelectionExtent(self):
838            self.canvas.FitSelectedToWindow()
839    
840        def ExportMap(self):
841            self.canvas.Export()
842    
843      def PrintMap(self):      def PrintMap(self):
844          self.canvas.Print()          self.canvas.Print()
845    
846        def RenameMap(self):
847            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
848                                    self.Map().Title())
849            if dlg.ShowModal() == wxID_OK:
850                title = dlg.GetValue()
851                if title != "":
852                    self.Map().SetTitle(title)
853                    self.__SetTitle(title)
854    
855            dlg.Destroy()
856    
857        def RenameLayer(self):
858            """Let the user rename the currently selected layer"""
859            layer = self.current_layer()
860            if layer is not None:
861                dlg = wxTextEntryDialog(self, "Layer Title: ", "Rename Layer",
862                                        layer.Title())
863                try:
864                    if dlg.ShowModal() == wxID_OK:
865                        title = dlg.GetValue()
866                        if title != "":
867                            layer.SetTitle(title)
868                finally:
869                    dlg.Destroy()
870    
871      def identify_view_on_demand(self, layer, shapes):      def identify_view_on_demand(self, layer, shapes):
872            """Subscribed to the canvas' SHAPES_SELECTED message
873    
874            If the current tool is the identify tool, at least one shape is
875            selected and the identify dialog is not shown, show the dialog.
876            """
877            # If the selection has become empty we don't need to do
878            # anything. Otherwise it could happen that the dialog was popped
879            # up when the selection became empty, e.g. when a new selection
880            # is opened while the identify tool is active and dialog had
881            # been closed
882            if not shapes:
883                return
884    
885          name = "identify_view"          name = "identify_view"
886          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
887              if not self.dialog_open(name):              if not self.dialog_open(name):
# Line 663  class MainWindow(DockFrame): Line 892  class MainWindow(DockFrame):
892                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
893                  pass                  pass
894    
895        def __SetTitle(self, title):
896            self.SetTitle("Thuban - " + title)
897    
898  #  #
899  # Define all the commands available in the main window  # Define all the commands available in the main window
900  #  #
# Line 703  def _has_selected_layer(context): Line 935  def _has_selected_layer(context):
935      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
936      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
937    
938    def _has_selected_shapes(context):
939        """Return true if a layer is selected in the context"""
940        return context.mainwindow.has_selected_shapes()
941    
942  def _can_remove_layer(context):  def _can_remove_layer(context):
943      return context.mainwindow.CanRemoveLayer()      return context.mainwindow.CanRemoveLayer()
944    
# Line 725  def _has_legend_shown(context): Line 961  def _has_legend_shown(context):
961      """Return true if the legend window is shown"""      """Return true if the legend window is shown"""
962      return context.mainwindow.LegendShown()      return context.mainwindow.LegendShown()
963    
964    def _has_gdal_support(context):
965        """Return True if the GDAL is available"""
966        return Thuban.Model.resource.has_gdal_support()
967    
968    def _has_dbconnections(context):
969        """Return whether the the session has database connections"""
970        return context.session.HasDBConnections()
971    
972  # File menu  # File menu
973  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession",
974  _method_command("open_session", _("&Open Session"), "OpenSession")                  helptext = _("Start a new session"))
975  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("open_session", _("&Open Session..."), "OpenSession",
976  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")                  helptext = _("Open a session file"))
977    _method_command("save_session", _("&Save Session"), "SaveSession",
978                    helptext =_("Save this session to the file it was opened from"))
979    _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs",
980                    helptext = _("Save this session to a new file"))
981  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
982                  checked = _has_tree_window_shown)                  checked = _has_tree_window_shown,
983                    helptext = _("Toggle on/off the session tree analysis window"))
984  _method_command("toggle_legend", _("Legend"), "ToggleLegend",  _method_command("toggle_legend", _("Legend"), "ToggleLegend",
985                  checked = _has_legend_shown)                  checked = _has_legend_shown,
986  _method_command("exit", _("E&xit"), "Exit")                  helptext = _("Toggle Legend on/off"))
987    _method_command("database_management", _("&Database Connections..."),
988                    "DatabaseManagement")
989    _method_command("exit", _("E&xit"), "Exit",
990                    helptext = _("Finish working with Thuban"))
991    
992  # Help menu  # Help menu
993  _method_command("help_about", _("&About"), "About")  _method_command("help_about", _("&About..."), "About",
994                    helptext = _("Info about Thuban authors, version and modules"))
995    
996    
997  # Map menu  # Map menu
998  _method_command("map_projection", _("Pro&jection"), "Projection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection",
999                    helptext = _("Set or change the map projection"))
1000    
1001  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
1002                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
# Line 761  _tool_command("map_label_tool", _("&Labe Line 1015  _tool_command("map_label_tool", _("&Labe
1015                helptext = _("Add/Remove labels"), icon = "label",                helptext = _("Add/Remove labels"), icon = "label",
1016                sensitive = _has_visible_map)                sensitive = _has_visible_map)
1017  _method_command("map_full_extent", _("&Full extent"), "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
1018                 helptext = _("Full Extent"), icon = "fullextent",                 helptext = _("Zoom to the full map extent"), icon = "fullextent",
1019                sensitive = _has_visible_map)                sensitive = _has_visible_map)
1020    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
1021                    helptext = _("Zoom to the full layer extent"),
1022                    icon = "fulllayerextent", sensitive = _has_selected_layer)
1023    _method_command("selected_full_extent", _("&Full selection extent"),
1024                    "FullSelectionExtent",
1025                    helptext = _("Zoom to the full selection extent"),
1026                    icon = "fullselextent", sensitive = _has_selected_shapes)
1027    _method_command("map_export", _("E&xport"), "ExportMap",
1028                    helptext = _("Export the map to file"))
1029  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
1030                  helptext = _("Print the map"))                  helptext = _("Print the map"))
1031    _method_command("map_rename", _("&Rename..."), "RenameMap",
1032  # Layer menu                  helptext = _("Rename the map"))
1033  _method_command("layer_add", _("&Add Layer"), "AddLayer",  _method_command("layer_add", _("&Add Layer..."), "AddLayer",
1034                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new layer to the map"))
1035    _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
1036                    helptext = _("Add a new image layer to the map"),
1037                    sensitive = _has_gdal_support)
1038    _method_command("layer_add_db", _("Add &Database Layer..."), "AddDBLayer",
1039                    helptext = _("Add a new database layer to active map"),
1040                    sensitive = _has_dbconnections)
1041  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
1042                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer"),
1043                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
1044  _method_command("layer_fill_color", _("&Fill Color"), "LayerFillColor",  
1045                  helptext = _("Set the fill color of selected layer(s)"),  # Layer menu
1046                  sensitive = _has_selected_layer)  _method_command("layer_projection", _("Pro&jection..."), "LayerProjection",
1047  _method_command("layer_transparent_fill", _("&Transparent Fill"),                  sensitive = _has_selected_layer,
1048                  "LayerTransparentFill",                  helptext = _("Specify projection for selected layer"))
1049                  helptext = _("Do not fill the selected layer(s)"),  _method_command("layer_duplicate", _("&Duplicate"), "DuplicateLayer",
1050                  sensitive = _has_selected_layer)                  helptext = _("Duplicate selected layer"),
1051  _method_command("layer_outline_color", _("&Outline Color"), "LayerOutlineColor",            sensitive = lambda context: context.mainwindow.CanDuplicateLayer())
1052                  helptext = _("Set the outline color of selected layer(s)"),  _method_command("layer_rename", _("Re&name ..."), "RenameLayer",
1053                  sensitive = _has_selected_layer)                  helptext = _("Rename selected layer"),
 _method_command("layer_no_outline", _("&No Outline"), "LayerNoOutline",  
                 helptext= _("Do not draw the outline of the selected layer(s)"),  
1054                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1055  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
1056                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer"),
1057                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1058  _method_command("layer_lower", _("&Lower"), "LowerLayer",  _method_command("layer_lower", _("&Lower"), "LowerLayer",
1059                  helptext = _("Lower selected layer(s)"),                  helptext = _("Lower selected layer"),
1060                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1061  _method_command("layer_show", _("&Show"), "ShowLayer",  _method_command("layer_show", _("&Show"), "ShowLayer",
1062                  helptext = _("Make selected layer(s) visible"),                  helptext = _("Make selected layer visible"),
1063                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1064  _method_command("layer_hide", _("&Hide"), "HideLayer",  _method_command("layer_hide", _("&Hide"), "HideLayer",
1065                  helptext = _("Make selected layer(s) unvisible"),                  helptext = _("Make selected layer unvisible"),
1066                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1067  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
1068                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
1069                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1070  _method_command("layer_classifier", _("Classify"), "Classify",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
1071                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer,
1072                    helptext = _("Edit the properties of the selected layer"))
1073    _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
1074                    sensitive = _has_selected_layer,
1075                    helptext = _("Join and attach a table to the selected layer"))
1076    
1077  # the menu structure  def _can_unjoin(context):
1078  main_menu = Menu("<main>", "<main>",      """Return whether the Layer/Unjoin command can be executed.
1079                   [Menu("file", _("&File"),  
1080                         ["new_session", "open_session", None,      This is the case if a layer is selected and that layer has a
1081                          "save_session", "save_session_as", None,      shapestore that has an original shapestore.
1082                          "toggle_session_tree", None,      """
1083                          "exit"]),      layer = context.mainwindow.SelectedLayer()
1084                    Menu("map", _("&Map"),      if layer is None:
1085                         ["layer_add", "layer_remove",          return 0
1086        getstore = getattr(layer, "ShapeStore", None)
1087        if getstore is not None:
1088            return getstore().OrigShapeStore() is not None
1089        else:
1090            return 0
1091    _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
1092                    sensitive = _can_unjoin,
1093                    helptext = _("Undo the last join operation"))
1094    
1095    
1096    def _has_tables(context):
1097        return bool(context.session.Tables())
1098    
1099    # Table menu
1100    _method_command("table_open", _("&Open..."), "TableOpen",
1101                    helptext = _("Open a DBF-table from a file"))
1102    _method_command("table_close", _("&Close..."), "TableClose",
1103           sensitive = lambda context: bool(context.session.UnreferencedTables()),
1104                    helptext = _("Close one or more tables from a list"))
1105    _method_command("table_rename", _("&Rename..."), "TableRename",
1106                    sensitive = _has_tables,
1107                    helptext = _("Rename one or more tables"))
1108    _method_command("table_show", _("&Show..."), "TableShow",
1109                    sensitive = _has_tables,
1110                    helptext = _("Show one or more tables in a dialog"))
1111    _method_command("table_join", _("&Join..."), "TableJoin",
1112                    sensitive = _has_tables,
1113                    helptext = _("Join two tables creating a new one"))
1114    
1115    #  Export only under Windows ...
1116    map_menu = ["layer_add", "layer_add_db", "rasterlayer_add", "layer_remove",
1117                          None,                          None,
1118                            "map_rename",
1119                          "map_projection",                          "map_projection",
1120                          None,                          None,
1121                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
1122                          "map_pan_tool", "map_identify_tool", "map_label_tool",                          "map_pan_tool",
                         None,  
1123                          "map_full_extent",                          "map_full_extent",
1124                            "layer_full_extent",
1125                            "selected_full_extent",
1126                          None,                          None,
1127                          "toggle_legend",                          "map_identify_tool", "map_label_tool",
1128                          None,                          None,
1129                          "map_print"]),                          "toggle_legend",
1130                            None]
1131    if wxPlatform == '__WXMSW__':
1132        map_menu.append("map_export")
1133    map_menu.append("map_print")
1134    
1135    # the menu structure
1136    main_menu = Menu("<main>", "<main>",
1137                     [Menu("file", _("&File"),
1138                           ["new_session", "open_session", None,
1139                            "save_session", "save_session_as", None,
1140                            "database_management", None,
1141                            "toggle_session_tree", None,
1142                            "exit"]),
1143                      Menu("map", _("&Map"), map_menu),
1144                    Menu("layer", _("&Layer"),                    Menu("layer", _("&Layer"),
1145                         ["layer_fill_color", "layer_transparent_fill",                         ["layer_rename", "layer_duplicate",
                         "layer_outline_color", "layer_no_outline",  
1146                          None,                          None,
1147                          "layer_raise", "layer_lower",                          "layer_raise", "layer_lower",
1148                          None,                          None,
1149                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
1150                          None,                          None,
1151                            "layer_projection",
1152                            None,
1153                          "layer_show_table",                          "layer_show_table",
1154                            "layer_jointable",
1155                            "layer_unjointable",
1156                          None,                          None,
1157                          "layer_classifier"]),                          "layer_properties"]),
1158                      Menu("table", _("&Table"),
1159                           ["table_open", "table_close", "table_rename",
1160                           None,
1161                           "table_show",
1162                           None,
1163                           "table_join"]),
1164                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
1165                         ["help_about"])])                         ["help_about"])])
1166    
# Line 841  main_menu = Menu("<main>", "<main>", Line 1168  main_menu = Menu("<main>", "<main>",
1168    
1169  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
1170                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
1171                       "map_full_extent", None,                       "map_full_extent",
1172                         "layer_full_extent",
1173                         "selected_full_extent",
1174                         None,
1175                       "map_identify_tool", "map_label_tool"])                       "map_identify_tool", "map_label_tool"])
1176    
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