/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 580 by jonathan, Mon Mar 31 18:32:22 2003 UTC revision 2019 by bh, Wed Dec 3 18:56:23 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 11  The main window Line 12  The main window
12  """  """
13    
14  __version__ = "$Revision$"  __version__ = "$Revision$"
15    # $Source$
16  __ThubanVersion__ = "0.2" #"$THUBAN_0_2$"  # $Id$
 #__BuildDate__ = "$Date$"  
17    
18  import os  import os
19    import copy
20    
21  from wxPython.wx import *  from wxPython.wx import *
22    
23  import Thuban  import Thuban
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  from Thuban.Model.layer import Layer, RasterLayer
29  from Thuban.Model.color import Color  from Thuban.Model.postgisdb import PostGISShapeStore, has_postgis_support
30  from Thuban.Model.proj import Projection  # XXX: replace this by
31    # from wxPython.lib.dialogs import wxMultipleChoiceDialog
32    # when Thuban does not support wxPython 2.4.0 any more.
33    from Thuban.UI.multiplechoicedialog import wxMultipleChoiceDialog
34    
35  import view  import view
36  import tree  import tree
 import proj4dialog  
37  import tableview, identifyview  import tableview, identifyview
38  import classifier  from Thuban.UI.classifier import Classifier
39  import legend  import legend
40  from menu import Menu  from menu import Menu
41    
42  from context import Context  from context import Context
43  from command import registry, Command, ToolCommand  from command import registry, Command, ToolCommand
44  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION, DOCKABLE_DOCKED, DOCKABLE_UNDOCKED, DOCKABLE_CLOSED  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION, \
45         MAP_REPLACED
46  from Thuban.UI.dock import DockableWindow, DockFrame, DockPanel  from about import About
47    
48    from Thuban.UI.dock import DockFrame
49    from Thuban.UI.join import JoinDialog
50    from Thuban.UI.dbdialog import DBFrame, DBDialog, ChooseDBTableDialog
51    import resource
52    import Thuban.Model.resource
53    
54    import projdialog
 # the directory where the toolbar icons are stored  
 bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  
 bitmapext = ".xpm"  
   
 ID_WINDOW_LEGEND = 4001  
 ID_WINDOW_CANVAS = 4002  
55    
56    
57  class MainWindow(DockFrame):  class MainWindow(DockFrame):
# Line 57  class MainWindow(DockFrame): Line 62  class MainWindow(DockFrame):
62      # actually come from. This delegation is implemented in the      # actually come from. This delegation is implemented in the
63      # Subscribe and unsubscribed methods      # Subscribe and unsubscribed methods
64      delegated_messages = {LAYER_SELECTED: "canvas",      delegated_messages = {LAYER_SELECTED: "canvas",
65                            SHAPES_SELECTED: "canvas"}                            SHAPES_SELECTED: "canvas",
66                              MAP_REPLACED: "canvas"}
67    
68      # Methods delegated to some instance variables. The delegation is      # Methods delegated to some instance variables. The delegation is
69      # implemented in the __getattr__ method.      # implemented in the __getattr__ method.
70      delegated_methods = {"SelectLayer": "canvas",      delegated_methods = {"SelectLayer": "canvas",
71                           "SelectShapes": "canvas",                           "SelectShapes": "canvas",
72                             "SelectedLayer": "canvas",
73                             "SelectedShapes": "canvas",
74                           }                           }
75    
76      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
# Line 94  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 101  class MainWindow(DockFrame): Line 110  class MainWindow(DockFrame):
110    
111          self.init_dialogs()          self.init_dialogs()
112    
113          EVT_CLOSE(self, self._OnClose)          self.ShowLegend()
114    
115            EVT_CLOSE(self, self.OnClose)
116    
117      def Subscribe(self, channel, *args):      def Subscribe(self, channel, *args):
118          """Subscribe a function to a message channel.          """Subscribe a function to a message channel.
# Line 123  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 243  class MainWindow(DockFrame): Line 261  class MainWindow(DockFrame):
261              command = registry.Command(name)              command = registry.Command(name)
262              if command is not None:              if command is not None:
263                  ID = self.get_id(name)                  ID = self.get_id(name)
264                  filename = os.path.join(bitmapdir, command.Icon()) + bitmapext                  bitmap = resource.GetBitmapResource(command.Icon(),
265                  bitmap = wxBitmap(filename, wxBITMAP_TYPE_XPM)                                                      wxBITMAP_TYPE_XPM)
266                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
267                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
268                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
# Line 354  class MainWindow(DockFrame): Line 372  class MainWindow(DockFrame):
372              result = wxID_NO              result = wxID_NO
373          return result          return result
374    
     def prepare_new_session(self):  
         for d in self.dialogs.values():  
             if not isinstance(d, tree.SessionTreeView):  
                 d.Close()  
   
375      def NewSession(self):      def NewSession(self):
376          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
377          self.prepare_new_session()              self.application.SetSession(create_empty_session())
         self.application.SetSession(create_empty_session())  
378    
379      def OpenSession(self):      def OpenSession(self):
380          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
381          dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)              dlg = wxFileDialog(self, _("Open Session"), ".", "",
382          if dlg.ShowModal() == wxID_OK:                                 "Thuban Session File (*.thuban)|*.thuban",
383              self.prepare_new_session()                                 wxOPEN)
384              self.application.OpenSession(dlg.GetPath())              if dlg.ShowModal() == wxID_OK:
385          dlg.Destroy()                  self.application.OpenSession(dlg.GetPath(),
386                                                 self.run_db_param_dialog)
387                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:
# Line 380  class MainWindow(DockFrame): Line 399  class MainWindow(DockFrame):
399    
400      def SaveSessionAs(self):      def SaveSessionAs(self):
401          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
402                             "*.thuban", wxOPEN)                             "Thuban Session File (*.thuban)|*.thuban",
403                               wxSAVE|wxOVERWRITE_PROMPT)
404          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
405              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
406              self.application.SaveSession()              self.application.SaveSession()
407          dlg.Destroy()          dlg.Destroy()
408    
409      def Exit(self):      def Exit(self):
410          self.Close(false)          self.Close(False)
411    
412      def _OnClose(self, event):      def OnClose(self, event):
413          result = self.save_modified_session(can_veto = event.CanVeto())          result = self.save_modified_session(can_veto = event.CanVeto())
414          if result == wxID_CANCEL:          if result == wxID_CANCEL:
415              event.Veto()              event.Veto()
# Line 398  class MainWindow(DockFrame): Line 418  class MainWindow(DockFrame):
418              # wx's destroy event, but that isn't implemented for wxGTK              # wx's destroy event, but that isn't implemented for wxGTK
419              # yet.              # yet.
420              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
421              DockFrame._OnClose(self, event)              DockFrame.OnClose(self, event)
422                for dlg in self.dialogs.values():
423                    dlg.Destroy()
424                self.canvas.Destroy()
425              self.Destroy()              self.Destroy()
426    
427      def SetMap(self, map):      def SetMap(self, map):
428          self.canvas.SetMap(map)          self.canvas.SetMap(map)
429          #self.legendPanel.SetMap(map)          self.update_title()
430    
431            dialog = self.FindRegisteredDock("legend")
432            if dialog is not None:
433                dialog.GetPanel().SetMap(self.Map())
434    
435      def Map(self):      def Map(self):
436          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
437    
         # sanity check  
         #assert(self.canvas.Map() is self.legendPanel.GetMap())  
   
438          return self.canvas.Map()          return self.canvas.Map()
439    
440      def ShowSessionTree(self):      def ToggleSessionTree(self):
441            """If the session tree is shown close it otherwise create a new tree"""
442          name = "session_tree"          name = "session_tree"
443          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
444          if dialog is None:          if dialog is None:
# Line 421  class MainWindow(DockFrame): Line 446  class MainWindow(DockFrame):
446              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
447              dialog.Show(True)              dialog.Show(True)
448          else:          else:
449              # FIXME: bring dialog to front here              dialog.Close()
             pass  
450    
451        def SessionTreeShown(self):
452            """Return true iff the session tree is currently shown"""
453            return self.get_open_dialog("session_tree") is not None
454    
455      def About(self):      def About(self):
456          self.RunMessageBox(_("About"),          dlg = About(self)
457                             _("Thuban v%s\n"          dlg.ShowModal()
458                              #"Build Date: %s\n"          dlg.Destroy()
459                              "\n"  
460                              "Thuban is a program for\n"      def DatabaseManagement(self):
461                              "exploring geographic data.\n"          name = "dbmanagement"
462                              "Copyright (C) 2001-2003 Intevation GmbH.\n"          dialog = self.get_open_dialog(name)
463                              "Thuban is licensed under the GNU GPL"          if dialog is None:
464                             % __ThubanVersion__), #__BuildDate__)),              map = self.canvas.Map()
465                             wxOK | wxICON_INFORMATION)              dialog = DBFrame(self, name, self.application.Session())
466                self.add_dialog(name, dialog)
467                dialog.Show()
468            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                               _("Shapefiles (*.shp)") + "|*.shp;*.SHP|" +
473                               _("All Files (*.*)") + "|*.*",
474                               wxOPEN | wxMULTIPLE)
475            if dlg.ShowModal() == wxID_OK:
476                filenames = dlg.GetPaths()
477                for filename in filenames:
478                    title = os.path.splitext(os.path.basename(filename))[0]
479                    map = self.canvas.Map()
480                    has_layers = map.HasLayers()
481                    try:
482                        store = self.application.Session().OpenShapefile(filename)
483                    except IOError:
484                        # the layer couldn't be opened
485                        self.RunMessageBox(_("Add Layer"),
486                                           _("Can't open the file '%s'.")%filename)
487                    else:
488                        layer = Layer(title, store)
489                        map.AddLayer(layer)
490                        if not has_layers:
491                            # if we're adding a layer to an empty map, fit the
492                            # new map to the window
493                            self.canvas.FitMapToWindow()
494            dlg.Destroy()
495    
496        def AddRasterLayer(self):
497            dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",
498                             wxOPEN)                             wxOPEN)
499          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
500              filename = dlg.GetPath()              filename = dlg.GetPath()
501              title = os.path.splitext(os.path.basename(filename))[0]              title = os.path.splitext(os.path.basename(filename))[0]
             layer = Layer(title, filename)  
502              map = self.canvas.Map()              map = self.canvas.Map()
503              has_layers = map.HasLayers()              has_layers = map.HasLayers()
504              try:              try:
505                  map.AddLayer(layer)                  layer = RasterLayer(title, filename)
506              except IOError:              except IOError:
507                  # the layer couldn't be opened                  # the layer couldn't be opened
508                  self.RunMessageBox(_("Add Layer"),                  self.RunMessageBox(_("Add Image Layer"),
509                                     _("Can't open the file '%s'.") % filename)                                     _("Can't open the file '%s'.") % filename)
510              else:              else:
511                    map.AddLayer(layer)
512                  if not has_layers:                  if not has_layers:
513                      # if we're adding a layer to an empty map, fit the                      # if we're adding a layer to an empty map, fit the
514                      # new map to the window                      # new map to the window
515                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
516          dlg.Destroy()          dlg.Destroy()
517    
518        def AddDBLayer(self):
519            """Add a layer read from a database"""
520            session = self.application.Session()
521            dlg = ChooseDBTableDialog(self, self.application.Session())
522    
523            if dlg.ShowModal() == wxID_OK:
524                dbconn, dbtable = dlg.GetTable()
525                try:
526                    title = str(dbtable)
527    
528                    # Chose the correct Interface for the database type
529                    store = PostGISShapeStore(dbconn, dbtable)
530                    session.AddShapeStore(store)
531                    layer = Layer(title, store)
532                except:
533                    # Some error occured while initializing the layer
534                    self.RunMessageBox(_("Add Layer from database"),
535                                       _("Can't open the database table '%s'")
536                                       % dbtable)
537    
538                map = self.canvas.Map()
539    
540                has_layers = map.HasLayers()
541                map.AddLayer(layer)
542                if not has_layers:
543                    self.canvas.FitMapToWindow()
544    
545            dlg.Destroy()
546    
547      def RemoveLayer(self):      def RemoveLayer(self):
548          layer = self.current_layer()          layer = self.current_layer()
549          if layer is not None:          if layer is not None:
# Line 467  class MainWindow(DockFrame): Line 552  class MainWindow(DockFrame):
552      def CanRemoveLayer(self):      def CanRemoveLayer(self):
553          """Return true if the currently selected layer can be deleted.          """Return true if the currently selected layer can be deleted.
554    
555          If no layer is selected return false.          If no layer is selected return False.
556    
557          The return value of this method determines whether the remove          The return value of this method determines whether the remove
558          layer command is sensitive in menu.          layer command is sensitive in menu.
# Line 475  class MainWindow(DockFrame): Line 560  class MainWindow(DockFrame):
560          layer = self.current_layer()          layer = self.current_layer()
561          if layer is not None:          if layer is not None:
562              return self.canvas.Map().CanRemoveLayer(layer)              return self.canvas.Map().CanRemoveLayer(layer)
563          return 0          return False
564    
565      def RaiseLayer(self):      def RaiseLayer(self):
566          layer = self.current_layer()          layer = self.current_layer()
# Line 498  class MainWindow(DockFrame): Line 583  class MainWindow(DockFrame):
583          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
584          return self.canvas.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
585    
586      def choose_color(self):      def has_selected_shape_layer(self):
587          """Run the color selection dialog and return the selected color.          """Return true if a shape layer is currently selected"""
588            return isinstance(self.current_layer(), Layer)
589          If the user cancels, return None.  
590          """      def has_selected_shapes(self):
591          dlg = wxColourDialog(self)          """Return true if a shape is currently selected"""
592          color = None          return self.canvas.HasSelectedShapes()
         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  
593    
594      def LayerFillColor(self):      def HideLayer(self):
595          layer = self.current_layer()          layer = self.current_layer()
596          if layer is not None:          if layer is not None:
597              color = self.choose_color()              layer.SetVisible(0)
             if color is not None:  
                 layer.GetClassification().SetDefaultFill(color)  
598    
599      def LayerTransparentFill(self):      def ShowLayer(self):
600          layer = self.current_layer()          layer = self.current_layer()
601          if layer is not None:          if layer is not None:
602              layer.GetClassification().SetDefaultFill(Color.None)              layer.SetVisible(1)
603    
604      def LayerOutlineColor(self):      def DuplicateLayer(self):
605            """Ceate a new layer above the selected layer with the same shapestore
606            """
607          layer = self.current_layer()          layer = self.current_layer()
608          if layer is not None:          if layer is not None and hasattr(layer, "ShapeStore"):
609              color = self.choose_color()              new_layer = Layer(_("Copy of `%s'") % layer.Title(),
610              if color is not None:                                layer.ShapeStore(),
611                  layer.GetClassification().SetDefaultLineColor(color)                                projection = layer.GetProjection())
612                new_classification = copy.deepcopy(layer.GetClassification())
613                new_layer.SetClassification(new_classification)
614                self.Map().AddLayer(new_layer)
615    
616      def LayerNoOutline(self):      def CanDuplicateLayer(self):
617            """Return whether the DuplicateLayer method can create a duplicate"""
618          layer = self.current_layer()          layer = self.current_layer()
619          if layer is not None:          return layer is not None and hasattr(layer, "ShapeStore")
             layer.GetClassification().SetDefaultLineColor(Color.None)  
   
     def HideLayer(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetVisible(0)  
           
     def ShowLayer(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetVisible(1)  
620    
621      def LayerShowTable(self):      def LayerShowTable(self):
622          layer = self.current_layer()          layer = self.current_layer()
623          if layer is not None:          if layer is not None:
624              table = layer.table              table = layer.ShapeStore().Table()
625              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
626              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
627              if dialog is None:              if dialog is None:
628                  dialog = tableview.LayerTableFrame(self, name,                  dialog = tableview.LayerTableFrame(self, name,
629                                                 _("Table: %s") % layer.Title(),                                           _("Layer Table: %s") % layer.Title(),
630                                                     layer, table)                                           layer, table)
631                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
632                  dialog.Show(true)                  dialog.Show(True)
633              else:              else:
634                  # FIXME: bring dialog to front here                  # FIXME: bring dialog to front here
635                  pass                  pass
636    
637      def Projection(self):      def MapProjection(self):
         map = self.canvas.Map()  
         proj = map.projection  
         if proj is None:  
             proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())  
         else:  
             proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,  
                                                map.BoundingBox())  
         if proj4Dlg.ShowModal() == wxID_OK:  
             params = proj4Dlg.GetParams()  
             if params is not None:  
                 proj = Projection(params)  
             else:  
                 proj = None  
             map.SetProjection(proj)  
         proj4Dlg.Destroy()  
638    
639      def Classify(self):          name = "map_projection"
640            dialog = self.get_open_dialog(name)
641    
642            if dialog is None:
643                map = self.canvas.Map()
644                dialog = projdialog.ProjFrame(self, name,
645                         _("Map Projection: %s") % map.Title(), map)
646                self.add_dialog(name, dialog)
647                dialog.Show()
648            dialog.Raise()
649    
650        def LayerProjection(self):
651    
652            layer = self.current_layer()
653    
654            name = "layer_projection" + str(id(layer))
655            dialog = self.get_open_dialog(name)
656    
657            if dialog is None:
658                map = self.canvas.Map()
659                dialog = projdialog.ProjFrame(self, name,
660                         _("Layer Projection: %s") % layer.Title(), layer)
661                self.add_dialog(name, dialog)
662                dialog.Show()
663            dialog.Raise()
664    
665        def LayerEditProperties(self):
666    
667          #          #
668          # the menu option for this should only be available if there          # the menu option for this should only be available if there
# Line 590  class MainWindow(DockFrame): Line 671  class MainWindow(DockFrame):
671          #          #
672    
673          layer = self.current_layer()          layer = self.current_layer()
674          self.OpenClassifier(layer)          self.OpenLayerProperties(layer)
675    
676      def OpenClassifier(self, layer, group = None):      def OpenLayerProperties(self, layer, group = None):
677          name = "classifier" + str(id(layer))          name = "layer_properties" + str(id(layer))
678          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
679    
680          if dialog is None:          if dialog is None:
681              dialog = classifier.Classifier(self, name, layer, group)              dialog = Classifier(self, name, self.Map(), layer, group)
682              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
683              dialog.Show()              dialog.Show()
684          dialog.Raise()          dialog.Raise()
685    
686        def LayerJoinTable(self):
687            layer = self.canvas.SelectedLayer()
688            if layer is not None:
689                dlg = JoinDialog(self, _("Join Layer with Table"),
690                                 self.application.session,
691                                 layer = layer)
692                dlg.ShowModal()
693    
694      def ShowLegend(self, switch = False):      def LayerUnjoinTable(self):
695            layer = self.canvas.SelectedLayer()
696            if layer is not None:
697                orig_store = layer.ShapeStore().OrigShapeStore()
698                if orig_store:
699                    layer.SetShapeStore(orig_store)
700    
701        def ShowLegend(self):
702            if not self.LegendShown():
703                self.ToggleLegend()
704    
705        def ToggleLegend(self):
706            """Show the legend if it's not shown otherwise hide it again"""
707          name = "legend"          name = "legend"
708          dialog = self.FindRegisteredDock(name)          dialog = self.FindRegisteredDock(name)
709    
710          if dialog is None:          if dialog is None:
711              title = "Legend: %s" % self.Map().Title()              dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
             dialog = self.CreateDock(name, -1, title, wxLAYOUT_LEFT)  
712              legend.LegendPanel(dialog, None, self)              legend.LegendPanel(dialog, None, self)
713              dialog.Dock()              dialog.Dock()
714                dialog.GetPanel().SetMap(self.Map())
715                dialog.Show()
716            else:
717                dialog.Show(not dialog.IsShown())
718    
719        def LegendShown(self):
720            """Return true iff the legend is currently open"""
721            dialog = self.FindRegisteredDock("legend")
722            return dialog is not None and dialog.IsShown()
723    
724        def TableOpen(self):
725            dlg = wxFileDialog(self, _("Open Table"), ".", "",
726                               _("DBF Files (*.dbf)") + "|*.dbf|" +
727                               #_("CSV Files (*.csv)") + "|*.csv|" +
728                               _("All Files (*.*)") + "|*.*",
729                               wxOPEN)
730            if dlg.ShowModal() == wxID_OK:
731                filename = dlg.GetPath()
732                dlg.Destroy()
733                try:
734                    table = self.application.session.OpenTableFile(filename)
735                except IOError:
736                    # the layer couldn't be opened
737                    self.RunMessageBox(_("Open Table"),
738                                       _("Can't open the file '%s'.") % filename)
739                else:
740                    self.ShowTableView(table)
741    
742        def TableClose(self):
743            tables = self.application.session.UnreferencedTables()
744    
745            lst = [(t.Title(), t) for t in tables]
746            lst.sort()
747            titles = [i[0] for i in lst]
748            dlg = wxMultipleChoiceDialog(self, _("Pick the tables to close:"),
749                                         _("Close Table"), titles,
750                                         size = (400, 300),
751                                         style = wxDEFAULT_DIALOG_STYLE |
752                                                 wxRESIZE_BORDER)
753            if dlg.ShowModal() == wxID_OK:
754                for i in dlg.GetValue():
755                    self.application.session.RemoveTable(lst[i][1])
756    
757    
758        def TableShow(self):
759            """Offer a multi-selection dialog for tables to be displayed
760    
761            The windows for the selected tables are opened or brought to
762            the front.
763            """
764            tables = self.application.session.Tables()
765    
766            lst = [(t.Title(), t) for t in tables]
767            lst.sort()
768            titles = [i[0] for i in lst]
769            dlg = wxMultipleChoiceDialog(self, _("Pick the table to show:"),
770                                         _("Show Table"), titles,
771                                         size = (400,300),
772                                         style = wxDEFAULT_DIALOG_STYLE |
773                                                 wxRESIZE_BORDER)
774            if (dlg.ShowModal() == wxID_OK):
775                for i in dlg.GetValue():
776                    # XXX: if the table belongs to a layer, open a
777                    # LayerTableFrame instead of QueryTableFrame
778                    self.ShowTableView(lst[i][1])
779    
780        def TableJoin(self):
781            dlg = JoinDialog(self, _("Join Tables"), self.application.session)
782            dlg.ShowModal()
783    
784        def ShowTableView(self, table):
785            """Open a table view for the table and optionally"""
786            name = "table_view%d" % id(table)
787            dialog = self.get_open_dialog(name)
788            if dialog is None:
789                dialog = tableview.QueryTableFrame(self, name,
790                                                   _("Table: %s") % table.Title(),
791                                                   table)
792                self.add_dialog(name, dialog)
793                dialog.Show(True)
794            dialog.Raise()
795    
796        def TableRename(self):
797            """Let the user rename a table"""
798    
799            # First, let the user select a table
800            tables = self.application.session.Tables()
801            lst = [(t.Title(), t) for t in tables]
802            lst.sort()
803            titles = [i[0] for i in lst]
804            dlg = wxMultipleChoiceDialog(self, _("Pick the table to rename:"),
805                                         _("Rename Table"), titles,
806                                         size = (400,300),
807                                         style = wxDEFAULT_DIALOG_STYLE |
808                                                 wxRESIZE_BORDER)
809            if (dlg.ShowModal() == wxID_OK):
810                to_rename = [lst[i][1] for i in dlg.GetValue()]
811                dlg.Destroy()
812            else:
813                to_rename = []
814    
815            # Second, let the user rename the layers
816            for table in to_rename:
817                dlg = wxTextEntryDialog(self, "Table Title: ", "Rename Table",
818                                        table.Title())
819                try:
820                    if dlg.ShowModal() == wxID_OK:
821                        title = dlg.GetValue()
822                        if title != "":
823                            table.SetTitle(title)
824    
825                            # Make sure the session is marked as modified.
826                            # FIXME: This should be handled automatically,
827                            # but that requires more changes to the tables
828                            # than I have time for currently.
829                            self.application.session.changed()
830                finally:
831                    dlg.Destroy()
832    
         dialog.GetPanel().SetMap(self.Map())  
         dialog.Show()  
833    
834      def ZoomInTool(self):      def ZoomInTool(self):
835          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
# Line 635  class MainWindow(DockFrame): Line 850  class MainWindow(DockFrame):
850      def FullExtent(self):      def FullExtent(self):
851          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
852    
853        def FullLayerExtent(self):
854            self.canvas.FitLayerToWindow(self.current_layer())
855    
856        def FullSelectionExtent(self):
857            self.canvas.FitSelectedToWindow()
858    
859        def ExportMap(self):
860            self.canvas.Export()
861    
862      def PrintMap(self):      def PrintMap(self):
863          self.canvas.Print()          self.canvas.Print()
864    
865        def RenameMap(self):
866            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
867                                    self.Map().Title())
868            if dlg.ShowModal() == wxID_OK:
869                title = dlg.GetValue()
870                if title != "":
871                    self.Map().SetTitle(title)
872    
873            dlg.Destroy()
874    
875        def RenameLayer(self):
876            """Let the user rename the currently selected layer"""
877            layer = self.current_layer()
878            if layer is not None:
879                dlg = wxTextEntryDialog(self, "Layer Title: ", "Rename Layer",
880                                        layer.Title())
881                try:
882                    if dlg.ShowModal() == wxID_OK:
883                        title = dlg.GetValue()
884                        if title != "":
885                            layer.SetTitle(title)
886                finally:
887                    dlg.Destroy()
888    
889      def identify_view_on_demand(self, layer, shapes):      def identify_view_on_demand(self, layer, shapes):
890            """Subscribed to the canvas' SHAPES_SELECTED message
891    
892            If the current tool is the identify tool, at least one shape is
893            selected and the identify dialog is not shown, show the dialog.
894            """
895            # If the selection has become empty we don't need to do
896            # anything. Otherwise it could happen that the dialog was popped
897            # up when the selection became empty, e.g. when a new selection
898            # is opened while the identify tool is active and dialog had
899            # been closed
900            if not shapes:
901                return
902    
903          name = "identify_view"          name = "identify_view"
904          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
905              if not self.dialog_open(name):              if not self.dialog_open(name):
# Line 649  class MainWindow(DockFrame): Line 910  class MainWindow(DockFrame):
910                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
911                  pass                  pass
912    
913        def title_changed(self, map):
914            """Subscribed to the canvas' TITLE_CHANGED messages"""
915            self.update_title()
916    
917        def update_title(self):
918            """Update the window's title according to it's current state.
919    
920            In this default implementation the title is 'Thuban - ' followed
921            by the map's title or simply 'Thuban' if there is not map.
922            Derived classes should override this method to get different
923            titles.
924    
925            This method is called automatically by other methods when the
926            title may have to change. For the methods implemented in this
927            class this usually only means that a different map has been set
928            or the current map's title has changed.
929            """
930            map = self.Map()
931            if map is not None:
932                title = _("Thuban - %s") % (map.Title(),)
933            else:
934                title = _("Thuban")
935            self.SetTitle(title)
936    
937    
938  #  #
939  # Define all the commands available in the main window  # Define all the commands available in the main window
940  #  #
# Line 660  def call_method(context, methodname, *ar Line 946  def call_method(context, methodname, *ar
946      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
947    
948  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
949                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
950      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
951      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
952                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
953                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
954    
955  def make_check_current_tool(toolname):  def make_check_current_tool(toolname):
956      """Return a function that tests if the currently active tool is toolname      """Return a function that tests if the currently active tool is toolname
# Line 689  def _has_selected_layer(context): Line 975  def _has_selected_layer(context):
975      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
976      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
977    
978    def _has_selected_shape_layer(context):
979        """Return true if a shape layer is selected in the context"""
980        return context.mainwindow.has_selected_shape_layer()
981    
982    def _has_selected_shapes(context):
983        """Return true if a layer is selected in the context"""
984        return context.mainwindow.has_selected_shapes()
985    
986  def _can_remove_layer(context):  def _can_remove_layer(context):
987      return context.mainwindow.CanRemoveLayer()      return context.mainwindow.CanRemoveLayer()
988    
989  def _has_tree_window_shown(context):  def _has_tree_window_shown(context):
990      """Return true if the tree window is shown"""      """Return true if the tree window is shown"""
991      return context.mainwindow.get_open_dialog("session_tree") is None      return context.mainwindow.SessionTreeShown()
992    
993  def _has_visible_map(context):  def _has_visible_map(context):
994      """Return true iff theres a visible map in the mainwindow.      """Return true iff theres a visible map in the mainwindow.
# Line 709  def _has_visible_map(context): Line 1003  def _has_visible_map(context):
1003    
1004  def _has_legend_shown(context):  def _has_legend_shown(context):
1005      """Return true if the legend window is shown"""      """Return true if the legend window is shown"""
1006      return context.mainwindow.FindRegisteredDock("legend") is None      return context.mainwindow.LegendShown()
1007    
1008    def _has_gdal_support(context):
1009        """Return True if the GDAL is available"""
1010        return Thuban.Model.resource.has_gdal_support()
1011    
1012    def _has_dbconnections(context):
1013        """Return whether the the session has database connections"""
1014        return context.session.HasDBConnections()
1015    
1016    def _has_postgis_support(context):
1017        return has_postgis_support()
1018    
1019    
1020  # File menu  # File menu
1021  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession",
1022  _method_command("open_session", _("&Open Session"), "OpenSession")                  helptext = _("Start a new session"))
1023  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("open_session", _("&Open Session..."), "OpenSession",
1024  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")                  helptext = _("Open a session file"))
1025  _method_command("show_session_tree", _("Show Session &Tree"), "ShowSessionTree",  _method_command("save_session", _("&Save Session"), "SaveSession",
1026                  sensitive = _has_tree_window_shown)                  helptext =_("Save this session to the file it was opened from"))
1027  _method_command("exit", _("E&xit"), "Exit")  _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs",
1028                    helptext = _("Save this session to a new file"))
1029    _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
1030                    checked = _has_tree_window_shown,
1031                    helptext = _("Toggle on/off the session tree analysis window"))
1032    _method_command("toggle_legend", _("Legend"), "ToggleLegend",
1033                    checked = _has_legend_shown,
1034                    helptext = _("Toggle Legend on/off"))
1035    _method_command("database_management", _("&Database Connections..."),
1036                    "DatabaseManagement",
1037                    sensitive = _has_postgis_support)
1038    _method_command("exit", _("E&xit"), "Exit",
1039                    helptext = _("Finish working with Thuban"))
1040    
1041  # Help menu  # Help menu
1042  _method_command("help_about", _("&About"), "About")  _method_command("help_about", _("&About..."), "About",
1043                    helptext = _("Info about Thuban authors, version and modules"))
1044    
1045    
1046  # Map menu  # Map menu
1047  _method_command("map_projection", _("Pro&jection"), "Projection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection",
1048                    helptext = _("Set or change the map projection"))
1049    
1050  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
1051                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
# Line 745  _tool_command("map_label_tool", _("&Labe Line 1064  _tool_command("map_label_tool", _("&Labe
1064                helptext = _("Add/Remove labels"), icon = "label",                helptext = _("Add/Remove labels"), icon = "label",
1065                sensitive = _has_visible_map)                sensitive = _has_visible_map)
1066  _method_command("map_full_extent", _("&Full extent"), "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
1067                 helptext = _("Full Extent"), icon = "fullextent",                 helptext = _("Zoom to the full map extent"), icon = "fullextent",
1068                sensitive = _has_visible_map)                sensitive = _has_visible_map)
1069    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
1070                    helptext = _("Zoom to the full layer extent"),
1071                    icon = "fulllayerextent", sensitive = _has_selected_layer)
1072    _method_command("selected_full_extent", _("&Full selection extent"),
1073                    "FullSelectionExtent",
1074                    helptext = _("Zoom to the full selection extent"),
1075                    icon = "fullselextent", sensitive = _has_selected_shapes)
1076    _method_command("map_export", _("E&xport"), "ExportMap",
1077                    helptext = _("Export the map to file"))
1078  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
1079                  helptext = _("Print the map"))                  helptext = _("Print the map"))
1080    _method_command("map_rename", _("&Rename..."), "RenameMap",
1081  # Layer menu                  helptext = _("Rename the map"))
1082  _method_command("layer_add", _("&Add Layer"), "AddLayer",  _method_command("layer_add", _("&Add Layer..."), "AddLayer",
1083                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new layer to the map"))
1084    _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
1085                    helptext = _("Add a new image layer to the map"),
1086                    sensitive = _has_gdal_support)
1087    _method_command("layer_add_db", _("Add &Database Layer..."), "AddDBLayer",
1088                    helptext = _("Add a new database layer to active map"),
1089                    sensitive = _has_dbconnections)
1090  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
1091                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer"),
1092                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
1093  _method_command("layer_fill_color", _("&Fill Color"), "LayerFillColor",  
1094                  helptext = _("Set the fill color of selected layer(s)"),  # Layer menu
1095                  sensitive = _has_selected_layer)  _method_command("layer_projection", _("Pro&jection..."), "LayerProjection",
1096  _method_command("layer_transparent_fill", _("&Transparent Fill"),                  sensitive = _has_selected_layer,
1097                  "LayerTransparentFill",                  helptext = _("Specify projection for selected layer"))
1098                  helptext = _("Do not fill the selected layer(s)"),  _method_command("layer_duplicate", _("&Duplicate"), "DuplicateLayer",
1099                  sensitive = _has_selected_layer)                  helptext = _("Duplicate selected layer"),
1100  _method_command("layer_outline_color", _("&Outline Color"), "LayerOutlineColor",            sensitive = lambda context: context.mainwindow.CanDuplicateLayer())
1101                  helptext = _("Set the outline color of selected layer(s)"),  _method_command("layer_rename", _("Re&name ..."), "RenameLayer",
1102                  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)"),  
1103                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1104  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
1105                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer"),
1106                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1107  _method_command("layer_lower", _("&Lower"), "LowerLayer",  _method_command("layer_lower", _("&Lower"), "LowerLayer",
1108                  helptext = _("Lower selected layer(s)"),                  helptext = _("Lower selected layer"),
1109                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1110  _method_command("layer_show", _("&Show"), "ShowLayer",  _method_command("layer_show", _("&Show"), "ShowLayer",
1111                  helptext = _("Make selected layer(s) visible"),                  helptext = _("Make selected layer visible"),
1112                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1113  _method_command("layer_hide", _("&Hide"), "HideLayer",  _method_command("layer_hide", _("&Hide"), "HideLayer",
1114                  helptext = _("Make selected layer(s) unvisible"),                  helptext = _("Make selected layer unvisible"),
1115                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1116  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
1117                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
1118                  sensitive = _has_selected_layer)                  sensitive = _has_selected_shape_layer)
1119  _method_command("layer_classifier", _("Classify"), "Classify",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
1120                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer,
1121  _method_command("show_legend", _("Show Legend"), "ShowLegend",                  helptext = _("Edit the properties of the selected layer"))
1122                  sensitive = _has_legend_shown)  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
1123                    sensitive = _has_selected_shape_layer,
1124                    helptext = _("Join and attach a table to the selected layer"))
1125    
1126  # the menu structure  def _can_unjoin(context):
1127  main_menu = Menu("<main>", "<main>",      """Return whether the Layer/Unjoin command can be executed.
1128                   [Menu("file", _("&File"),  
1129                         ["new_session", "open_session", None,      This is the case if a layer is selected and that layer has a
1130                          "save_session", "save_session_as", None,      shapestore that has an original shapestore.
1131                          "show_session_tree", None,      """
1132                          "show_legend", None,      layer = context.mainwindow.SelectedLayer()
1133                          "exit"]),      if layer is None:
1134                    Menu("map", _("&Map"),          return 0
1135                         ["layer_add", "layer_remove",      getstore = getattr(layer, "ShapeStore", None)
1136        if getstore is not None:
1137            return getstore().OrigShapeStore() is not None
1138        else:
1139            return 0
1140    _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
1141                    sensitive = _can_unjoin,
1142                    helptext = _("Undo the last join operation"))
1143    
1144    
1145    def _has_tables(context):
1146        return bool(context.session.Tables())
1147    
1148    # Table menu
1149    _method_command("table_open", _("&Open..."), "TableOpen",
1150                    helptext = _("Open a DBF-table from a file"))
1151    _method_command("table_close", _("&Close..."), "TableClose",
1152           sensitive = lambda context: bool(context.session.UnreferencedTables()),
1153                    helptext = _("Close one or more tables from a list"))
1154    _method_command("table_rename", _("&Rename..."), "TableRename",
1155                    sensitive = _has_tables,
1156                    helptext = _("Rename one or more tables"))
1157    _method_command("table_show", _("&Show..."), "TableShow",
1158                    sensitive = _has_tables,
1159                    helptext = _("Show one or more tables in a dialog"))
1160    _method_command("table_join", _("&Join..."), "TableJoin",
1161                    sensitive = _has_tables,
1162                    helptext = _("Join two tables creating a new one"))
1163    
1164    #  Export only under Windows ...
1165    map_menu = ["layer_add", "layer_add_db", "rasterlayer_add", "layer_remove",
1166                          None,                          None,
1167                            "map_rename",
1168                          "map_projection",                          "map_projection",
1169                          None,                          None,
1170                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
1171                          "map_pan_tool", "map_identify_tool", "map_label_tool",                          "map_pan_tool",
                         None,  
1172                          "map_full_extent",                          "map_full_extent",
1173                            "layer_full_extent",
1174                            "selected_full_extent",
1175                          None,                          None,
1176                          "map_print"]),                          "map_identify_tool", "map_label_tool",
1177                            None,
1178                            "toggle_legend",
1179                            None]
1180    if wxPlatform == '__WXMSW__':
1181        map_menu.append("map_export")
1182    map_menu.append("map_print")
1183    
1184    # the menu structure
1185    main_menu = Menu("<main>", "<main>",
1186                     [Menu("file", _("&File"),
1187                           ["new_session", "open_session", None,
1188                            "save_session", "save_session_as", None,
1189                            "database_management", None,
1190                            "toggle_session_tree", None,
1191                            "exit"]),
1192                      Menu("map", _("&Map"), map_menu),
1193                    Menu("layer", _("&Layer"),                    Menu("layer", _("&Layer"),
1194                         ["layer_fill_color", "layer_transparent_fill",                         ["layer_rename", "layer_duplicate",
                         "layer_outline_color", "layer_no_outline",  
1195                          None,                          None,
1196                          "layer_raise", "layer_lower",                          "layer_raise", "layer_lower",
1197                          None,                          None,
1198                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
1199                          None,                          None,
1200                            "layer_projection",
1201                            None,
1202                          "layer_show_table",                          "layer_show_table",
1203                            "layer_jointable",
1204                            "layer_unjointable",
1205                          None,                          None,
1206                          "layer_classifier"]),                          "layer_properties"]),
1207                      Menu("table", _("&Table"),
1208                           ["table_open", "table_close", "table_rename",
1209                           None,
1210                           "table_show",
1211                           None,
1212                           "table_join"]),
1213                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
1214                         ["help_about"])])                         ["help_about"])])
1215    
# Line 826  main_menu = Menu("<main>", "<main>", Line 1217  main_menu = Menu("<main>", "<main>",
1217    
1218  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
1219                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
1220                       "map_full_extent", None,                       "map_full_extent",
1221                         "layer_full_extent",
1222                         "selected_full_extent",
1223                         None,
1224                       "map_identify_tool", "map_label_tool"])                       "map_identify_tool", "map_label_tool"])
1225    
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