/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 517 by jonathan, Tue Mar 11 17:28:39 2003 UTC revision 563 by jonathan, Wed Mar 26 11:07:02 2003 UTC
# Line 1  Line 1 
1  # Copyright (C) 2001, 2002 by Intevation GmbH  # Copyright (C) 2001, 2002, 2003 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jan-Oliver Wagner <[email protected]>  # Jan-Oliver Wagner <[email protected]>
4  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
# Line 31  import tree Line 31  import tree
31  import proj4dialog  import proj4dialog
32  import tableview, identifyview  import tableview, identifyview
33  import classifier  import classifier
34    import legend
35  from menu import Menu  from menu import Menu
36    
37  from context import Context  from context import Context
38  from command import registry, Command, ToolCommand  from command import registry, Command, ToolCommand
39  from messages import SELECTED_SHAPE, VIEW_POSITION  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION, DOCKABLE_DOCKED, DOCKABLE_UNDOCKED, DOCKABLE_CLOSED
40    
41    from Thuban.UI.dock import DockableWindow
42    
43    
44  # the directory where the toolbar icons are stored  # the directory where the toolbar icons are stored
45  bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")
46  bitmapext = ".xpm"  bitmapext = ".xpm"
47    
48    ID_WINDOW_LEGEND = 4001
49    ID_WINDOW_CANVAS = 4002
50    
51    
52  class MainWindow(wxFrame):  class MainWindow(wxFrame):
53    
54        # Some messages that can be subscribed/unsubscribed directly through
55        # the MapCanvas come in fact from other objects. This is a map to
56        # map those messages to the names of the instance variables they
57        # actually come from. This delegation is implemented in the
58        # Subscribe and unsubscribed methods
59        delegated_messages = {LAYER_SELECTED: "canvas",
60                              SHAPES_SELECTED: "canvas"}
61    
62        # Methods delegated to some instance variables. The delegation is
63        # implemented in the __getattr__ method.
64        delegated_methods = {"SelectLayer": "canvas",
65                             "SelectShapes": "canvas",
66                             }
67    
68      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
69                   initial_message = None, size = wxSize(-1, -1)):                   initial_message = None, size = wxSize(-1, -1)):
70          wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)          wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
71    
72          self.application = application          self.application = application
         self.interactor = interactor  
73    
74          self.CreateStatusBar()          self.CreateStatusBar()
75          if initial_message:          if initial_message:
# Line 68  class MainWindow(wxFrame): Line 87  class MainWindow(wxFrame):
87          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
88          toolbar.Realize()          toolbar.Realize()
89    
90            win = wxSashLayoutWindow(self, ID_WINDOW_LEGEND,
91                                     style=wxNO_BORDER|wxSW_3D)
92            win.SetOrientation(wxLAYOUT_VERTICAL)
93            win.SetAlignment(wxLAYOUT_LEFT)
94            win.SetSashVisible(wxSASH_RIGHT, True)
95            win.SetSashBorder(wxSASH_RIGHT, True)
96            win.Hide()
97            self.sash_legend = win
98    
99    
100          # Create the map canvas          # Create the map canvas
101          canvas = view.MapCanvas(self, -1, interactor)          canvas = view.MapCanvas(self, -1)
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)
104          self.canvas = canvas          self.canvas = canvas
105    
106            self.SetAutoLayout(True)
107    
108          self.init_dialogs()          self.init_dialogs()
109    
110          interactor.Subscribe(SELECTED_SHAPE, self.identify_view_on_demand)          self.legendPanel = None
111            self.legendWindow = None
112    
113    
114    
115          EVT_CLOSE(self, self.OnClose)          EVT_CLOSE(self, self.OnClose)
116            EVT_SASH_DRAGGED_RANGE(self,
117                ID_WINDOW_LEGEND, ID_WINDOW_CANVAS,
118                self._OnSashDrag)
119            EVT_SIZE(self, self._OnSize)
120    
121        def Subscribe(self, channel, *args):
122            """Subscribe a function to a message channel.
123    
124            If channel is one of the delegated messages call the appropriate
125            object's Subscribe method. Otherwise do nothing.
126            """
127            if channel in self.delegated_messages:
128                object = getattr(self, self.delegated_messages[channel])
129                object.Subscribe(channel, *args)
130            else:
131                print "Trying to subscribe to unsupported channel %s" % channel
132    
133        def Unsubscribe(self, channel, *args):
134            """Unsubscribe a function from a message channel.
135    
136            If channel is one of the delegated messages call the appropriate
137            object's Unsubscribe method. Otherwise do nothing.
138            """
139            if channel in self.delegated_messages:
140                object = getattr(self, self.delegated_messages[channel])
141                object.Unsubscribe(channel, *args)
142    
143        def __getattr__(self, attr):
144            """If attr is one of the delegated methods return that method
145    
146            Otherwise raise AttributeError.
147            """
148            if attr in self.delegated_methods:
149                return getattr(getattr(self, self.delegated_methods[attr]), attr)
150            raise AttributeError(attr)
151    
152      def init_ids(self):      def init_ids(self):
153          """Initialize the ids"""          """Initialize the ids"""
# Line 347  class MainWindow(wxFrame): Line 417  class MainWindow(wxFrame):
417    
418      def SetMap(self, map):      def SetMap(self, map):
419          self.canvas.SetMap(map)          self.canvas.SetMap(map)
420            #self.legendPanel.SetMap(map)
421    
422      def Map(self):      def Map(self):
423          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
424    
425            # sanity check
426            #assert(self.canvas.Map() is self.legendPanel.GetMap())
427    
428          return self.canvas.Map()          return self.canvas.Map()
429    
430      def ShowSessionTree(self):      def ShowSessionTree(self):
# Line 393  class MainWindow(wxFrame): Line 468  class MainWindow(wxFrame):
468                                     _("Can't open the file '%s'.") % filename)                                     _("Can't open the file '%s'.") % filename)
469              else:              else:
470                  if not has_layers:                  if not has_layers:
471                      # if we're adding a layer to an empty map, for the                      # if we're adding a layer to an empty map, fit the
472                      # new map to the window                      # new map to the window
473                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
474          dlg.Destroy()          dlg.Destroy()
# Line 431  class MainWindow(wxFrame): Line 506  class MainWindow(wxFrame):
506    
507          If no layer is selected, return None          If no layer is selected, return None
508          """          """
509          return self.interactor.SelectedLayer()          return self.canvas.SelectedLayer()
510    
511      def has_selected_layer(self):      def has_selected_layer(self):
512          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
513          return self.interactor.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
514    
515      def choose_color(self):      def choose_color(self):
516          """Run the color selection dialog and return the selected color.          """Run the color selection dialog and return the selected color.
# Line 494  class MainWindow(wxFrame): Line 569  class MainWindow(wxFrame):
569              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
570              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
571              if dialog is None:              if dialog is None:
572                  dialog = tableview.LayerTableFrame(self, self.interactor, name,                  dialog = tableview.LayerTableFrame(self, name,
573                                                     _("Table: %s") % layer.Title(),                                                 _("Table: %s") % layer.Title(),
574                                                     layer, table)                                                     layer, table)
575                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
576                  dialog.Show(true)                  dialog.Show(true)
# Line 529  class MainWindow(wxFrame): Line 604  class MainWindow(wxFrame):
604          #          #
605    
606          layer = self.current_layer()          layer = self.current_layer()
607            self.OpenClassifier(layer)
608    
609        def OpenClassifier(self, layer):
610          name = "classifier" + str(id(layer))          name = "classifier" + str(id(layer))
611          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
612    
613          if dialog is None:          if dialog is None:
614              dialog = classifier.Classifier(self, self.interactor,              dialog = classifier.Classifier(self, name, layer)
                                            name, self.current_layer())  
615              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
616              dialog.Show()              dialog.Show()
617    
618    
619        def ShowLegend(self, switch = False):
620            
621            name = "legend"
622            dialog = self.get_open_dialog(name)
623    
624            if dialog is None:
625                self.legendPanel = \
626                    legend.LegendPanel(self.sash_legend, None, self)
627                dialog = DockableWindow(self, -1, name,
628                                        "Legend: %s" % self.Map().Title(),
629                                        self.sash_legend, self.legendPanel)
630    
631    
632                self.add_dialog(name, dialog)
633    
634                dialog.Subscribe(DOCKABLE_DOCKED, self._OnLegendDock)
635                dialog.Subscribe(DOCKABLE_UNDOCKED, self._OnLegendUnDock)
636                dialog.Subscribe(DOCKABLE_CLOSED, self._OnLegendClosed)
637    
638                self.legendWindow = dialog
639                self.legendPanel.SetMap(self.Map())
640    
641            dialog.Show()
642    
643      def ZoomInTool(self):      def ZoomInTool(self):
644          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
645    
# Line 560  class MainWindow(wxFrame): Line 662  class MainWindow(wxFrame):
662      def PrintMap(self):      def PrintMap(self):
663          self.canvas.Print()          self.canvas.Print()
664    
665      def identify_view_on_demand(self, layer, shape):      def identify_view_on_demand(self, layer, shapes):
666          name = "identify_view"          name = "identify_view"
667          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
668              if not self.dialog_open(name):              if not self.dialog_open(name):
669                  dialog = identifyview.IdentifyView(self, self.interactor, name)                  dialog = identifyview.IdentifyView(self, name)
670                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
671                  dialog.Show(true)                  dialog.Show(True)
672              else:              else:
673                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
674                  pass                  pass
675    
676    
677        def _OnSashDrag(self, event):
678    
679            if event.GetDragStatus() == wxSASH_STATUS_OUT_OF_RANGE:
680                return
681    
682            id = event.GetId()
683    
684            rect = event.GetDragRect()
685    
686            if id == ID_WINDOW_LEGEND:
687                #assert(self.legendPanel.IsDocked())
688                assert(self.legendWindow.IsDocked())
689                #assert(self.legendPanel.GetParent() is self.sash_legend)
690                self.__SetLegendDockSize(rect)
691    
692            wxLayoutAlgorithm().LayoutWindow(self, self.canvas)
693    
694        def _OnSize(self, event):
695            wxLayoutAlgorithm().LayoutWindow(self, self.canvas)
696    
697        def _OnLegendDock(self, id, win):
698            if not self.sash_legend.IsShown():
699                self.sash_legend.Show()
700                self.__SetLegendDockSize(None)
701                wxLayoutAlgorithm().LayoutWindow(self, self.canvas)
702    
703        def _OnLegendUnDock(self, id, win):
704            if self.sash_legend.IsShown():
705                self.sash_legend.Hide()
706                wxLayoutAlgorithm().LayoutWindow(self, self.canvas)
707    
708        def _OnLegendClosed(self, id, win):
709            if self.sash_legend.IsShown():
710                self.sash_legend.Hide()
711                wxLayoutAlgorithm().LayoutWindow(self, self.canvas)
712    
713        def __SetLegendDockSize(self, rect):
714        
715            w, h = self.legendWindow.GetBestSize()
716            #w, h = self.legendPanel.GetBestSize()
717    
718            if rect is not None:
719                rw = rect.width
720                rh = rect.height
721                if rw < w: rw = w
722            else:
723                rw = w
724                rh = h
725    
726            rw += 2 # XXX: without this the sash isn't visible!?!?!?!
727    
728            self.sash_legend.SetDefaultSize(wxSize(rw, 1000))
729    
730  #  #
731  # Define all the commands available in the main window  # Define all the commands available in the main window
732  #  #
# Line 629  def _has_visible_map(context): Line 785  def _has_visible_map(context):
785                  return 1                  return 1
786      return 0      return 0
787    
788    def _has_legend_shown(context):
789        """Return true if the legend window is shown"""
790        return context.mainwindow.get_open_dialog("legend") is None
791    
792    
793  # File menu  # File menu
794  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
# Line 702  _method_command("layer_hide", _("&Hide") Line 862  _method_command("layer_hide", _("&Hide")
862  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
863                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
864                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
   
865  _method_command("layer_classifier", _("Classify"), "Classify",  _method_command("layer_classifier", _("Classify"), "Classify",
866                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
867    _method_command("show_legend", _("Legend"), "ShowLegend",
868                    sensitive = _has_legend_shown)
869    
870  # the menu structure  # the menu structure
871  main_menu = Menu("<main>", "<main>",  main_menu = Menu("<main>", "<main>",
# Line 712  main_menu = Menu("<main>", "<main>", Line 873  main_menu = Menu("<main>", "<main>",
873                         ["new_session", "open_session", None,                         ["new_session", "open_session", None,
874                          "save_session", "save_session_as", None,                          "save_session", "save_session_as", None,
875                          "show_session_tree", None,                          "show_session_tree", None,
876                            "show_legend", None,
877                          "exit"]),                          "exit"]),
878                    Menu("map", _("&Map"),                    Menu("map", _("&Map"),
879                         ["layer_add", "layer_remove",                         ["layer_add", "layer_remove",
Legend:
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changed lines
  Added in v.563
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