/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/legend.py
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revision 578 by jonathan, Mon Mar 31 18:31:46 2003 UTC revision 795 by jonathan, Wed Apr 30 17:01:06 2003 UTC
# Line 9  __version__ = "$Revision$" Line 9  __version__ = "$Revision$"
9    
10  from Thuban import _  from Thuban import _
11    
12    import resource
13    
14  from wxPython.wx import *  from wxPython.wx import *
15    
16  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer
# Line 22  from Thuban.UI.dock import DockPanel Line 24  from Thuban.UI.dock import DockPanel
24    
25  from Thuban.Lib.connector import ConnectorError  from Thuban.Lib.connector import ConnectorError
26    
27  ID_LEGEND_MOVEUP = 4001  ID_LEGEND_RAISE = 4001
28  ID_LEGEND_MOVEDOWN = 4002  ID_LEGEND_LOWER = 4002
29  ID_LEGEND_TREE = 4003  ID_LEGEND_TREE = 4003
30  ID_LEGEND_CLASSIFY = 4004  ID_LEGEND_PROPS = 4004
31  ID_LEGEND_SHOWLAYER = 4005  ID_LEGEND_SHOWLAYER = 4005
32  ID_LEGEND_HIDELAYER = 4006  ID_LEGEND_HIDELAYER = 4006
33    
34  BMP_SIZE_W = 30  BMP_SIZE_W = 30
35  BMP_SIZE_H = 15  BMP_SIZE_H = 15
36    
37    RAISE_BMP = "raise_layer"
38    LOWER_BMP = "lower_layer"
39    SHOW_BMP  = "show_layer"
40    HIDE_BMP  = "hide_layer"
41    PROPS_BMP = "layer_properties"
42    
43    
44  class LegendPanel(DockPanel):  class LegendPanel(DockPanel):
45    
46      def __init__(self, parent, map, mainWindow):      def __init__(self, parent, map, mainWindow):
# Line 40  class LegendPanel(DockPanel): Line 49  class LegendPanel(DockPanel):
49          self.mainWindow = mainWindow          self.mainWindow = mainWindow
50          self.parent = parent          self.parent = parent
51    
         panelBox = wxBoxSizer(wxVERTICAL)  
   
         buttonBox = wxGridSizer(2, 3, 0, 0)  
   
52          self.buttons = []          self.buttons = []
53    
54          button = wxButton(self, ID_LEGEND_MOVEUP, _("Move Up"))          panelBox = wxBoxSizer(wxVERTICAL)
         buttonBox.Add(button, 0, wxGROW | wxLEFT | wxRIGHT, 0)  
         self.buttons.append(button)  
   
         button = wxButton(self, ID_LEGEND_SHOWLAYER, _("Show Layer"))  
         buttonBox.Add(button, 0, wxGROW | wxLEFT | wxRIGHT, 0)  
         self.buttons.append(button)  
   
         button = wxButton(self, ID_LEGEND_CLASSIFY, _("Classify"))  
         buttonBox.Add(button, 0, wxGROW | wxLEFT | wxRIGHT, 0)  
         self.buttons.append(button)  
   
         button = wxButton(self, ID_LEGEND_MOVEDOWN, _("Move Down"))  
         buttonBox.Add(button, 0, wxGROW | wxLEFT | wxRIGHT, 0)  
         self.buttons.append(button)  
   
         button = wxButton(self, ID_LEGEND_HIDELAYER, _("Hide Layer"))  
         buttonBox.Add(button, 0, wxGROW | wxLEFT | wxRIGHT, 0)  
         self.buttons.append(button)  
   
         EVT_BUTTON(self, ID_LEGEND_MOVEUP, self._OnMoveUp)  
         EVT_BUTTON(self, ID_LEGEND_MOVEDOWN, self._OnMoveDown)  
         EVT_BUTTON(self, ID_LEGEND_CLASSIFY, self._OnClassify)  
         EVT_BUTTON(self, ID_LEGEND_SHOWLAYER, self._OnShowLayer)  
         EVT_BUTTON(self, ID_LEGEND_HIDELAYER, self._OnHideLayer)  
55    
56          panelBox.Add(buttonBox, 0, 0, 4)          self.toolBar = wxToolBar(self, -1)
57            self.toolBar.SetToolBitmapSize(wxSize(24, 24))
58    
59          self.tree = LegendTree(self, ID_LEGEND_TREE, map, mainWindow)          bmp = resource.GetBitmapResource(RAISE_BMP, wxBITMAP_TYPE_XPM)
60            self.toolBar.AddTool(ID_LEGEND_RAISE, bmp,
61                shortHelpString=_("Raise Layer"))
62    
63            bmp = resource.GetBitmapResource(LOWER_BMP, wxBITMAP_TYPE_XPM)
64            self.toolBar.AddTool(ID_LEGEND_LOWER, bmp,
65                shortHelpString=_("Lower Layer"))
66    
67            bmp = resource.GetBitmapResource(SHOW_BMP, wxBITMAP_TYPE_XPM)
68            self.toolBar.AddTool(ID_LEGEND_SHOWLAYER, bmp,
69                shortHelpString=_("Show Layer"))
70    
71            bmp = resource.GetBitmapResource(HIDE_BMP, wxBITMAP_TYPE_XPM)
72            self.toolBar.AddTool(ID_LEGEND_HIDELAYER, bmp,
73                shortHelpString=_("Hide Layer"))
74    
75            bmp = resource.GetBitmapResource(PROPS_BMP, wxBITMAP_TYPE_XPM)
76            self.toolBar.AddTool(ID_LEGEND_PROPS, bmp,
77                shortHelpString=_("Edit Layer Properties"))
78    
79            self.toolBar.Realize()
80            panelBox.Add(self.toolBar, 0, wxGROW, 0)
81    
82            EVT_TOOL(self, ID_LEGEND_RAISE, self._OnMoveUp)
83            EVT_TOOL(self, ID_LEGEND_LOWER, self._OnMoveDown)
84            EVT_TOOL(self, ID_LEGEND_PROPS, self._OnProperties)
85            EVT_TOOL(self, ID_LEGEND_SHOWLAYER, self._OnShowLayer)
86            EVT_TOOL(self, ID_LEGEND_HIDELAYER, self._OnHideLayer)
87    
88          panelBox.Add(self.tree, 1, wxGROW, 4)          self.tree = LegendTree(self, ID_LEGEND_TREE, map, mainWindow)
89    
90          panelBox.Fit(self)          panelBox.Add(self.tree, 1, wxGROW, 0)
91    
92          self.SetAutoLayout(True)          self.SetAutoLayout(True)
93          self.SetSizer(panelBox)          self.SetSizer(panelBox)
94          panelBox.SetSizeHints(self)          panelBox.SetSizeHints(self)
95    
         #panelBox.SetSizeHints(self.parent)  
96    
97          self.panelBox = panelBox          self.panelBox = panelBox
98    
99            self.__EnableButtons(False)
100    
101            self.Create()
102    
103          EVT_CLOSE(self, self._OnClose)          EVT_CLOSE(self, self._OnClose)
104    
105    
# Line 102  class LegendPanel(DockPanel): Line 114  class LegendPanel(DockPanel):
114          ok = isinstance(layer, Layer)          ok = isinstance(layer, Layer)
115          self.__EnableButtons(ok)          self.__EnableButtons(ok)
116    
117          if ok:          self.mainWindow.SelectLayer(layer)
             self.mainWindow.SelectLayer(layer)  
118    
119      def DoOnClassify(self):      def DoOnProperties(self):
120          list = self.tree.GetSelectedHierarchy()          list = self.tree.GetSelectedHierarchy()
121    
122          ok = isinstance(list[0], Layer)          ok = isinstance(list[0], Layer)
123          if ok:          if ok:
124              self.mainWindow.OpenClassifier(list[0], list[1])              self.mainWindow.OpenLayerProperties(list[0], list[1])
125    
126      def Destroy(self):      def Destroy(self):
127          self.__Close()          self.__Close()
128    
129      def _OnClassify(self, event):      def _OnProperties(self, event):
130          self.DoOnClassify()          self.DoOnProperties()
131    
132      def _OnMoveUp(self, event):      def _OnMoveUp(self, event):
133          self.tree.MoveCurrentItemUp()          self.tree.MoveCurrentItemUp()
# Line 139  class LegendPanel(DockPanel): Line 150  class LegendPanel(DockPanel):
150          pass          pass
151    
152      def __EnableButtons(self, on):      def __EnableButtons(self, on):
153          for b in self.buttons:          self.toolBar.EnableTool(ID_LEGEND_RAISE, on)
154              b.Enable(on)          self.toolBar.EnableTool(ID_LEGEND_LOWER, on)
155            self.toolBar.EnableTool(ID_LEGEND_SHOWLAYER,  on)
156            self.toolBar.EnableTool(ID_LEGEND_HIDELAYER,  on)
157            self.toolBar.EnableTool(ID_LEGEND_PROPS, on)
158    
159      def __Close(self):      def __Close(self):
160          self.tree.Close()          self.tree.Close()
# Line 204  class LegendTree(wxTreeCtrl): Line 218  class LegendTree(wxTreeCtrl):
218    
219                            
220      def MoveCurrentItemUp(self):      def MoveCurrentItemUp(self):
221          cur_id = self.GetSelection()          layer, group = self.GetSelectedHierarchy()
         assert(cur_id.IsOk())  
   
         cur_data = self.GetPyData(cur_id)  
   
         #prev_id = self.GetPrevSibling(cur_id)  
   
         #  
         # Get out if there's nowhere to go  
         #  
         #if prev_id == INVALID_TREE_ID: return  
222    
223          if isinstance(cur_data, Layer):          if layer is not None:
224              self.map.RaiseLayer(cur_data)              self.map.RaiseLayer(layer)
         elif isinstance(cur_data, ClassGroup):  
             pass  
225          else:          else:
226              assert(False, "Shouldn't be here.")              assert False, "Shouldn't be allowed."
227              pass              pass
228    
229      def MoveCurrentItemDown(self):      def MoveCurrentItemDown(self):
230          cur_id = self.GetSelection()          layer, group = self.GetSelectedHierarchy()
         assert(cur_id.IsOk())  
   
         cur_data = self.GetPyData(cur_id)  
231    
232          if isinstance(cur_data, Layer):          if layer is not None:
233              self.map.LowerLayer(cur_data)              self.map.LowerLayer(layer)
         elif isinstance(cur_data, ClassGroup):  
             pass  
234          else:          else:
235              assert(False, "Shouldn't be here.")              assert False, "Shouldn't be allowed."
236              pass              pass
237    
   
238      def OnCompareItems(self, item1, item2):      def OnCompareItems(self, item1, item2):
239    
240          data1 = self.GetPyData(item1)          data1 = self.GetPyData(item1)
# Line 261  class LegendTree(wxTreeCtrl): Line 257  class LegendTree(wxTreeCtrl):
257          layer, group = self.GetSelectedHierarchy()          layer, group = self.GetSelectedHierarchy()
258          layer.SetVisible(False)          layer.SetVisible(False)
259    
 #   def DoOnClassify(self):  
 #       id = self.GetSelection()  
 #       assert(id.IsOk())  
   
 #       item = self.GetPyData(id)  
 #       if isinstance(item, ClassGroup):  
 #           id = self.GetItemParent(id)  
 #           assert(id.IsOk())  
 #           item = self.GetPyData(id)  
   
 #       # XXX: THIS IS SUCH AWFUL STYLE! YUCK!  
 #       self.parent.mainWindow.OpenClassifier(item)  
 #       #assert(False, "XXX: FIXME HERE")  
   
260      def Sort(self):      def Sort(self):
261          self.SortChildren(self.GetRootItem())          self.SortChildren(self.GetRootItem())
262    
263        def GetSelectedHierarchy(self):
264            id = self.GetSelection()
265    
266            if not id.IsOk():
267                return (None, None)
268    
269            layer = self.GetPyData(id)
270            group = None
271    
272            if isinstance(layer, ClassGroup):
273                id = self.GetItemParent(id)
274                assert id.IsOk()
275                group = layer
276                layer = self.GetPyData(id)
277    
278            return (layer, group)
279    
280      def _OnMsgMapsChanged(self):      def _OnMsgMapsChanged(self):
281          print "ADfsadfsadfsadfsa"          #print self.map is self.mainWindow.Map()
         print self.map is self.mainWindow.Map()  
282          self.SetMap(self.mainWindow.Map())          self.SetMap(self.mainWindow.Map())
283                    
284      def _OnSelChanged(self, event):      def _OnSelChanged(self, event):
285            self.__UpdateSelection()
         layer, group = self.GetSelectedHierarchy()  
         self.parent.DoOnSelChanged(layer, group)  
286    
287      def _OnItemActivated(self, event):      def _OnItemActivated(self, event):
288          self.parent.DoOnClassify()          self.parent.DoOnProperties()
289    
290      def _OnMsgLayerChanged(self, layer):      def _OnMsgLayerChanged(self, layer):
291          assert(isinstance(layer, Layer))          assert isinstance(layer, Layer)
292    
293          id = self.layer2id[layer]          id = self.layer2id[layer]
294          assert(id.IsOk())          assert id.IsOk()
295    
296          # XXX: yikes! this is so bad, we should be doing what is          # XXX: yikes! this is so bad, we should be doing what is
297          #      commented out, but there is a problem with keeping          #      commented out, but there is a problem with keeping
298          #      track of the images in the image list when we replace          #      track of the images in the image list when we replace
299          #      a layer. it ends up causing a seg fault.          #      a layer. it ends up causing a seg fault.
300          self.__FillTree(self.map)          self.__FillTree(self.map)
301            self.__UpdateSelection()
302          #self.__FillTreeLayer(id)          #self.__FillTreeLayer(id)
303    
304      def _OnMsgMapStackingChanged(self, *args):      def _OnMsgMapStackingChanged(self, *args):
# Line 310  class LegendTree(wxTreeCtrl): Line 307  class LegendTree(wxTreeCtrl):
307    
308          if id.IsOk():          if id.IsOk():
309              self.EnsureVisible(id)              self.EnsureVisible(id)
310            self.__UpdateSelection()
311    
312      def _OnMsgMapLayersAddedRemoved(self, map):      def _OnMsgMapLayersAddedRemoved(self, map):
313          assert(map is self.map)          assert map is self.map
314    
315          self.__FillTree(self.map)          self.__FillTree(self.map)
316            self.__UpdateSelection()
317    
318      def _OnMsgLayerVisibilityChanged(self, layer):      def _OnMsgLayerVisibilityChanged(self, layer):
319          assert(isinstance(layer, Layer))          assert isinstance(layer, Layer)
320    
321          self.__ShowHideLayer(layer)          self.__ShowHideLayer(layer)
322            self.__UpdateSelection()
323    
324      def GetSelectedHierarchy(self):      def _OnMsgLayerTitleChanged(self, layer):
         id = self.GetSelection()  
         assert(id.IsOk())  
   
         layer = self.GetPyData(id)  
         group = None  
   
         if isinstance(layer, ClassGroup):  
             id = self.GetItemParent(id)  
             assert(id.IsOk())  
             group = layer  
             layer = self.GetPyData(id)  
325    
326          return (layer, group)          id = self.layer2id[layer]
327            if id.IsOk():
328                self.SetItemText(id, layer.Title())
329            self.__UpdateSelection()
330    
331        def __UpdateSelection(self):
332            layer, group = self.GetSelectedHierarchy()
333            self.parent.DoOnSelChanged(layer, group)
334            
335      def __FillTree(self, map):      def __FillTree(self, map):
336    
         assert(isinstance(map, Map))  
   
337          self.Freeze()          self.Freeze()
338    
339          self.__DeleteAllItems()          self.__DeleteAllItems()
# Line 367  class LegendTree(wxTreeCtrl): Line 361  class LegendTree(wxTreeCtrl):
361                  l.Subscribe(LAYER_CHANGED, self._OnMsgLayerChanged)                  l.Subscribe(LAYER_CHANGED, self._OnMsgLayerChanged)
362                  l.Subscribe(LAYER_VISIBILITY_CHANGED,                  l.Subscribe(LAYER_VISIBILITY_CHANGED,
363                              self._OnMsgLayerVisibilityChanged)                              self._OnMsgLayerVisibilityChanged)
364                    l.Subscribe(TITLE_CHANGED, self._OnMsgLayerTitleChanged)
365                  self.SetPyData(id, l)                  self.SetPyData(id, l)
366                  font = self.GetItemFont(id)                  self.__SetVisibilityStyle(l.Visible(), id)
                 if not l.Visible():  
                     font.SetStyle(wxITALIC)  
                     self.SetItemFont(id, font)  
367    
368                  self.layer2id[l] = id                  self.layer2id[l] = id
369    
# Line 391  class LegendTree(wxTreeCtrl): Line 383  class LegendTree(wxTreeCtrl):
383    
384          shapeType = layer.ShapeType()          shapeType = layer.ShapeType()
385    
386            show = layer.Visible()
387          for g in clazz:          for g in clazz:
388              id = self.AppendItem(pid, g.GetDisplayText())              if g.IsVisible():
389              self.SetPyData(id, g)                  id = self.AppendItem(pid, g.GetDisplayText())
390                    self.SetPyData(id, g)
391              bmp = self.__BuildGroupImage(g, shapeType)                  self.__SetVisibilityStyle(show, id)
392    
393              if bmp is None:                  bmp = self.__BuildGroupImage(g, shapeType)
394                  self.SetItemImage(id, self.emptyImageIndex)  
395              else:                  if bmp is None:
396                  i = self.image_list.Add(bmp)                      self.SetItemImage(id, self.emptyImageIndex)
397                  self.SetItemImage(id, i)                  else:
398                        i = self.image_list.Add(bmp)
399                        self.SetItemImage(id, i)
400    
401          self.Thaw()          self.Thaw()
402    
403      def __BuildGroupImage(self, group, shapeType):      def __BuildGroupImage(self, group, shapeType):
         assert(isinstance(group, ClassGroup))  
404    
405          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)
406          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)
# Line 426  class LegendTree(wxTreeCtrl): Line 420  class LegendTree(wxTreeCtrl):
420                                self._OnMsgLayerChanged)                                self._OnMsgLayerChanged)
421              layer.Unsubscribe(LAYER_VISIBILITY_CHANGED,              layer.Unsubscribe(LAYER_VISIBILITY_CHANGED,
422                                self._OnMsgLayerVisibilityChanged)                                self._OnMsgLayerVisibilityChanged)
423                layer.Unsubscribe(TITLE_CHANGED, self._OnMsgLayerTitleChanged)
424    
425          self.DeleteAllItems()          self.DeleteAllItems()
426    
427      def __ShowHideHelper(self, show, id):      def __SetVisibilityStyle(self, visible, id):
428          font = self.GetItemFont(id)          font = self.GetItemFont(id)
429    
430          if show:          if visible:
431              font.SetStyle(wxNORMAL)              font.SetStyle(wxNORMAL)
432              color = wxBLACK              color = wxBLACK
433          else:          else:
# Line 444  class LegendTree(wxTreeCtrl): Line 439  class LegendTree(wxTreeCtrl):
439                    
440      def __ShowHideLayer(self, layer):      def __ShowHideLayer(self, layer):
441          parent = self.layer2id[layer]          parent = self.layer2id[layer]
442          assert(parent.IsOk())          assert parent.IsOk()
   
         show = layer.Visible()  
443    
444            visible = layer.Visible()
445    
446          self.__ShowHideHelper(show, parent)          self.__SetVisibilityStyle(visible, parent)
447    
448          id, cookie = self.GetFirstChild(parent, 123)          id, cookie = self.GetFirstChild(parent, 123)
449    
450          while id.IsOk():          while id.IsOk():
451              self.__ShowHideHelper(show, id)              self.__SetVisibilityStyle(visible, id)
452              id, cookie = self.GetNextChild(parent, cookie)              id, cookie = self.GetNextChild(parent, cookie)
453                            
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