/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/legend.py
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revision 1837 by frank, Tue Oct 21 09:29:52 2003 UTC revision 2560 by bh, Tue Feb 8 20:25:22 2005 UTC
# Line 1  Line 1 
1  # Copyright (c) 2001, 2002, 2003 by Intevation GmbH  # Copyright (c) 2001, 2002, 2003, 2005 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jonathan Coles <[email protected]>  # Jonathan Coles <[email protected]>
4  # Frank Koormann <[email protected]>  # Frank Koormann <[email protected]>
# Line 15  from Thuban import _ Line 15  from Thuban import _
15  import resource  import resource
16    
17  from wxPython.wx import *  from wxPython.wx import *
18    import wxPython
19    
20  from Thuban.Model.layer import BaseLayer  from Thuban.Model.layer import BaseLayer
21  from Thuban.Model.map import Map  from Thuban.Model.map import Map
# Line 31  from Thuban.UI.classifier import ClassDa Line 32  from Thuban.UI.classifier import ClassDa
32  from Thuban.UI.dock import DockPanel  from Thuban.UI.dock import DockPanel
33  from Thuban.UI.scalebar import ScaleBar  from Thuban.UI.scalebar import ScaleBar
34    
35    from Thuban.UI.menu import Menu
36    
37  from Thuban.Lib.connector import ConnectorError  from Thuban.Lib.connector import ConnectorError
38    
39  ID_LEGEND_TOP = 4001  ID_LEGEND_TOP = 4001
# Line 42  ID_LEGEND_PROPS = 4006 Line 45  ID_LEGEND_PROPS = 4006
45  ID_LEGEND_SHOWLAYER = 4007  ID_LEGEND_SHOWLAYER = 4007
46  ID_LEGEND_HIDELAYER = 4008  ID_LEGEND_HIDELAYER = 4008
47    
 ID_POPUP_TOP = 4501  
 ID_POPUP_UP  = 4502  
 ID_POPUP_DOWN = 4503  
 ID_POPUP_BOTTOM = 4504  
 ID_POPUP_PROPS  = 4506  
 ID_POPUP_VISIBLE = 4507  
 ID_POPUP_PROJ = 4509  
   
48  BMP_SIZE_W = 15  BMP_SIZE_W = 15
49  BMP_SIZE_H = 15  BMP_SIZE_H = 15
50    
# Line 61  SHOW_BMP  = "show_layer" Line 56  SHOW_BMP  = "show_layer"
56  HIDE_BMP  = "hide_layer"  HIDE_BMP  = "hide_layer"
57  PROPS_BMP = "layer_properties"  PROPS_BMP = "layer_properties"
58    
   
59  class LegendPanel(DockPanel):  class LegendPanel(DockPanel):
60    
61      def __init__(self, parent, map, mainWindow):      def __init__(self, parent, map, mainWindow):
# Line 116  class LegendPanel(DockPanel): Line 110  class LegendPanel(DockPanel):
110          EVT_TOOL(self, ID_LEGEND_SHOWLAYER, self._OnShowLayer)          EVT_TOOL(self, ID_LEGEND_SHOWLAYER, self._OnShowLayer)
111          EVT_TOOL(self, ID_LEGEND_HIDELAYER, self._OnHideLayer)          EVT_TOOL(self, ID_LEGEND_HIDELAYER, self._OnHideLayer)
112    
         EVT_MENU(self, ID_POPUP_PROPS, self._OnProperties)  
         EVT_MENU(self, ID_POPUP_TOP, self._OnMoveTop)  
         EVT_MENU(self, ID_POPUP_UP, self._OnMoveUp)  
         EVT_MENU(self, ID_POPUP_DOWN, self._OnMoveDown)  
         EVT_MENU(self, ID_POPUP_BOTTOM, self._OnMoveBottom)  
         EVT_MENU(self, ID_POPUP_VISIBLE, self._OnToggleVisibility)  
         EVT_MENU(self, ID_POPUP_PROJ, self._OnProjection)  
           
113          self.tree = LegendTree(self, ID_LEGEND_TREE, map, mainWindow)          self.tree = LegendTree(self, ID_LEGEND_TREE, map, mainWindow)
114    
115          panelBox.Add(self.tree, 1, wxGROW, 0)          panelBox.Add(self.tree, 1, wxGROW, 0)
# Line 204  class LegendPanel(DockPanel): Line 190  class LegendPanel(DockPanel):
190      def _OnProjection(self, event):      def _OnProjection(self, event):
191          self.tree.LayerProjection()          self.tree.LayerProjection()
192    
193        def _OnRemoveLayer(self, event):
194            self.mainWindow.RemoveLayer()
195    
196        def _OnShowTable(self, event):
197            self.mainWindow.LayerShowTable()
198    
199      def __EnableButtons(self, on):      def __EnableButtons(self, on):
200          self.toolBar.EnableTool(ID_LEGEND_TOP, on)          self.toolBar.EnableTool(ID_LEGEND_TOP, on)
201          self.toolBar.EnableTool(ID_LEGEND_RAISE, on)          self.toolBar.EnableTool(ID_LEGEND_RAISE, on)
# Line 258  class LegendTree(wxTreeCtrl): Line 250  class LegendTree(wxTreeCtrl):
250    
251          self.SetMap(map)          self.SetMap(map)
252    
253        def _OnRightClick(self, event):
254            """Select item and pop up a context menu"""
255    
256            # The pop up menu is related to the legend tree, so we have direct
257            # access on the tree items. The events issued by the menu are handled
258            # by the legend panel, since most of the handlers are already
259            # implemented there.
260    
261            # Update item selection to the right click
262            item = event.GetItem()
263            self.SelectItem(item)
264    
265            # Define the menu
266            popup_menu = Menu("PopUp", "",
267                              [ "layer_visibility",
268                                None,
269                                "layer_properties",
270                                "layer_projection",
271                                "layer_remove",
272                                "layer_show_table",
273                                None,
274                                "layer_to_top",
275                                "layer_raise",
276                                "layer_lower",
277                                "layer_to_bottom"
278                                ])
279    
280            # Display the menu
281            pos = event.GetPoint()
282            shift = self.ClientToScreen((0,0))
283            self.PopupMenu(self.mainWindow.build_menu(popup_menu), pos)
284    
285      def find_layer(self, layer):      def find_layer(self, layer):
286          """Return the tree item for the layer"""          """Return the tree item for the layer"""
287          root = self.GetRootItem()          root = self.GetRootItem()
288          id, cookie = self.GetFirstChild(root, 0)          id, cookie = self.GetFirstChild(root)
289          while id.IsOk():          while id.IsOk():
290              if self.GetPyData(id) is layer:              if self.GetPyData(id) is layer:
291                  return id                  return id
# Line 425  class LegendTree(wxTreeCtrl): Line 449  class LegendTree(wxTreeCtrl):
449              event.Veto()              event.Veto()
450              self.preventExpandCollapse = False              self.preventExpandCollapse = False
451    
     def _OnRightClick(self, event):  
         """Select item and pop up a context menu"""  
   
         # The pop up menu is related to the legend tree, so we have direct  
         # access on the tree items. The events issued by the menu are handled  
         # by the legend panel, since most of the handlers are already  
         # implemented there.  
   
         # Update item selection to the right click  
         item = event.GetItem()  
         self.SelectItem(item)  
   
         # Create the menu  
         menu = wxMenu("", 0)  
   
         # The "Visible" item is a special ...  
         menuitem = wxMenuItem(menu, ID_POPUP_VISIBLE, _("Visible"),  
                                 "", wxITEM_CHECK)  
         menu.AppendItem(menuitem)  
         layer, group = self.GetSelectedHierarchy()  
         menuitem.Check(layer.Visible())  
   
         menu.AppendSeparator()  
         menu.Append(ID_POPUP_PROPS, _("Properties"))  
         menu.Append(ID_POPUP_PROJ, _("Projection"))  
         menu.AppendSeparator()  
         menu.Append(ID_POPUP_TOP, _("Top"))  
         menu.Append(ID_POPUP_UP, _("Up"))  
         menu.Append(ID_POPUP_DOWN, _("Down"))  
         menu.Append(ID_POPUP_BOTTOM, _("Bottom"))  
   
         # Display the menu  
         pos = event.GetPoint()  
         shift = self.ClientToScreen((0,0))  
         self.PopupMenu(menu, pos)  
   
452      def _OnItemActivated(self, event):      def _OnItemActivated(self, event):
453          # The following looks strange but is need under Windows to          # The following looks strange but is need under Windows to
454          # raise the Properties on double-click: The tree control          # raise the Properties on double-click: The tree control
# Line 500  class LegendTree(wxTreeCtrl): Line 488  class LegendTree(wxTreeCtrl):
488          # Build a dict with all layers known by the the tree as keys          # Build a dict with all layers known by the the tree as keys
489          layers = {}          layers = {}
490          root = self.GetRootItem()          root = self.GetRootItem()
491          id, cookie = self.GetFirstChild(root, 0)          id, cookie = self.GetFirstChild(root)
492          while id.IsOk():          while id.IsOk():
493              layers[self.GetPyData(id)] = 1              layers[self.GetPyData(id)] = 1
494              id, cookie = self.GetNextChild(root, cookie)              id, cookie = self.GetNextChild(root, cookie)
# Line 519  class LegendTree(wxTreeCtrl): Line 507  class LegendTree(wxTreeCtrl):
507          layers = map.Layers()          layers = map.Layers()
508    
509          root = self.GetRootItem()          root = self.GetRootItem()
510          id, cookie = self.GetFirstChild(root, 0)          id, cookie = self.GetFirstChild(root)
511          while id.IsOk():          while id.IsOk():
512              if self.GetPyData(id) not in layers:              if self.GetPyData(id) not in layers:
513                  self.__RemoveLayer(id)                  self.__RemoveLayer(id)
# Line 611  class LegendTree(wxTreeCtrl): Line 599  class LegendTree(wxTreeCtrl):
599    
600          pid = self.GetRootItem()          pid = self.GetRootItem()
601    
602          id, cookie = self.GetFirstChild(pid, 123)          id, cookie = self.GetFirstChild(pid)
603          while id.IsOk():          while id.IsOk():
604              self.__RemoveLayer(id)              self.__RemoveLayer(id)
605              id, cookie = self.GetNextChild(pid, cookie)              id, cookie = self.GetNextChild(pid, cookie)
# Line 649  class LegendTree(wxTreeCtrl): Line 637  class LegendTree(wxTreeCtrl):
637          self.Delete(id)          self.Delete(id)
638    
639      def DeleteChildren(self, pid):      def DeleteChildren(self, pid):
640          id, cookie = self.GetFirstChild(pid, 123)          id, cookie = self.GetFirstChild(pid)
641          while id.IsOk():          while id.IsOk():
642              self.availImgListIndices.append(self.GetItemImage(id))              self.availImgListIndices.append(self.GetItemImage(id))
643              id, cookie = self.GetNextChild(pid, cookie)              id, cookie = self.GetNextChild(pid, cookie)
# Line 705  class LegendTree(wxTreeCtrl): Line 693  class LegendTree(wxTreeCtrl):
693    
694          self.__SetVisibilityStyle(visible, parent)          self.__SetVisibilityStyle(visible, parent)
695    
696          id, cookie = self.GetFirstChild(parent, 123)          id, cookie = self.GetFirstChild(parent)
697    
698          while id.IsOk():          while id.IsOk():
699              self.__SetVisibilityStyle(visible, id)              self.__SetVisibilityStyle(visible, id)
700              id, cookie = self.GetNextChild(parent, cookie)              id, cookie = self.GetNextChild(parent, cookie)
701                
702        # In wxPython 2.4 the GetFirstChild method has to be called with a
703        # second argument and in 2.5 it must not.  Reading the code of
704        # wxPython 2.4 it seems that the second parameter was intended to be
705        # optional there but due to a bug in the C++ code it doesn't work
706        # and omitting the second argument leads to a segfault.  To cope
707        # with this and to make the code usable with both 2.5 and 2.4 we
708        # overwrite the inherited method when running with 2.4 to provide a
709        # default value for the second argument.
710        if map(int, wxPython.__version__.split(".")[:2]) < [2, 5]:
711            def GetFirstChild(self, item):
712                return wxTreeCtrl.GetFirstChild(self, item, 0)
713    
714    
715  class ScaleBarBitmap(wxBoxSizer):  class ScaleBarBitmap(wxBoxSizer):
716    
717      def __init__(self, parent, map, mainWindow):      def __init__(self, parent, map, mainWindow):
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