/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/legend.py
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revision 568 by jonathan, Wed Mar 26 11:51:28 2003 UTC revision 639 by jonathan, Thu Apr 10 14:35:39 2003 UTC
# Line 16  from Thuban.Model.map import Map Line 16  from Thuban.Model.map import Map
16  from Thuban.Model.messages import *  from Thuban.Model.messages import *
17  from Thuban.Model.classification import ClassGroup  from Thuban.Model.classification import ClassGroup
18    
19    from Thuban.UI.messages import *
20  from Thuban.UI.classifier import ClassDataPreviewer  from Thuban.UI.classifier import ClassDataPreviewer
21  from Thuban.UI.dock import DockPanel  from Thuban.UI.dock import DockPanel
22    
23    from Thuban.Lib.connector import ConnectorError
24    
25  ID_LEGEND_MOVEUP = 4001  ID_LEGEND_MOVEUP = 4001
26  ID_LEGEND_MOVEDOWN = 4002  ID_LEGEND_MOVEDOWN = 4002
27  ID_LEGEND_TREE = 4003  ID_LEGEND_TREE = 4003
28  ID_LEGEND_CLASSIFY = 4004  ID_LEGEND_PROPS = 4004
29  ID_LEGEND_SHOWLAYER = 4005  ID_LEGEND_SHOWLAYER = 4005
30  ID_LEGEND_HIDELAYER = 4006  ID_LEGEND_HIDELAYER = 4006
31    
# Line 51  class LegendPanel(DockPanel): Line 54  class LegendPanel(DockPanel):
54          buttonBox.Add(button, 0, wxGROW | wxLEFT | wxRIGHT, 0)          buttonBox.Add(button, 0, wxGROW | wxLEFT | wxRIGHT, 0)
55          self.buttons.append(button)          self.buttons.append(button)
56    
57          button = wxButton(self, ID_LEGEND_CLASSIFY, _("Classify"))          button = wxButton(self, ID_LEGEND_PROPS, _("Properties"))
58          buttonBox.Add(button, 0, wxGROW | wxLEFT | wxRIGHT, 0)          buttonBox.Add(button, 0, wxGROW | wxLEFT | wxRIGHT, 0)
59          self.buttons.append(button)          self.buttons.append(button)
60    
# Line 65  class LegendPanel(DockPanel): Line 68  class LegendPanel(DockPanel):
68    
69          EVT_BUTTON(self, ID_LEGEND_MOVEUP, self._OnMoveUp)          EVT_BUTTON(self, ID_LEGEND_MOVEUP, self._OnMoveUp)
70          EVT_BUTTON(self, ID_LEGEND_MOVEDOWN, self._OnMoveDown)          EVT_BUTTON(self, ID_LEGEND_MOVEDOWN, self._OnMoveDown)
71          EVT_BUTTON(self, ID_LEGEND_CLASSIFY, self._OnClassify)          EVT_BUTTON(self, ID_LEGEND_PROPS, self._OnProperties)
72          EVT_BUTTON(self, ID_LEGEND_SHOWLAYER, self._OnShowLayer)          EVT_BUTTON(self, ID_LEGEND_SHOWLAYER, self._OnShowLayer)
73          EVT_BUTTON(self, ID_LEGEND_HIDELAYER, self._OnHideLayer)          EVT_BUTTON(self, ID_LEGEND_HIDELAYER, self._OnHideLayer)
74    
# Line 75  class LegendPanel(DockPanel): Line 78  class LegendPanel(DockPanel):
78    
79          panelBox.Add(self.tree, 1, wxGROW, 4)          panelBox.Add(self.tree, 1, wxGROW, 4)
80    
81            panelBox.Fit(self)
82    
83          self.SetAutoLayout(True)          self.SetAutoLayout(True)
84          self.SetSizer(panelBox)          self.SetSizer(panelBox)
85          panelBox.SetSizeHints(self)          panelBox.SetSizeHints(self)
# Line 83  class LegendPanel(DockPanel): Line 88  class LegendPanel(DockPanel):
88    
89          self.panelBox = panelBox          self.panelBox = panelBox
90    
91            EVT_CLOSE(self, self._OnClose)
92    
93    
94      def GetMap(self):      def GetMap(self):
95          return self.tree.GetMap()          return self.tree.GetMap()
96    
97      def SetMap(self, map):      def SetMap(self, map):
98          self.tree.SetMap(map)          self.tree.SetMap(map)
99    
100      def DoOnSelChanged(self, layer, group = None):      def DoOnSelChanged(self, layer, group):
         sel = self.tree.GetSelection()  
         self.__EnableButtons(sel.IsOk())  
101    
102          if sel.IsOk():          ok = isinstance(layer, Layer)
103            self.__EnableButtons(ok)
104    
105            if ok:
106              self.mainWindow.SelectLayer(layer)              self.mainWindow.SelectLayer(layer)
107    
108      def _OnClassify(self, event):      def DoOnProperties(self):
109          self.tree.DoOnClassify()          list = self.tree.GetSelectedHierarchy()
110    
111            ok = isinstance(list[0], Layer)
112            if ok:
113                self.mainWindow.OpenLayerProperties(list[0], list[1])
114    
115        def Destroy(self):
116            self.__Close()
117    
118        def _OnProperties(self, event):
119            self.DoOnProperties()
120    
121      def _OnMoveUp(self, event):      def _OnMoveUp(self, event):
122          self.tree.MoveCurrentItemUp()          self.tree.MoveCurrentItemUp()
# Line 109  class LegendPanel(DockPanel): Line 128  class LegendPanel(DockPanel):
128          self.tree.DoOnShowLayer()          self.tree.DoOnShowLayer()
129          pass          pass
130    
131        #def Close(self, force = False):
132            #DockPanel.Close(self, force)
133            
134        def _OnClose(self, event):
135            self.__Close()
136    
137      def _OnHideLayer(self, event):      def _OnHideLayer(self, event):
138          self.tree.DoOnHideLayer()          self.tree.DoOnHideLayer()
139          pass          pass
# Line 117  class LegendPanel(DockPanel): Line 142  class LegendPanel(DockPanel):
142          for b in self.buttons:          for b in self.buttons:
143              b.Enable(on)              b.Enable(on)
144    
145        def __Close(self):
146            self.tree.Close()
147    
148  class LegendTree(wxTreeCtrl):  class LegendTree(wxTreeCtrl):
149    
150      def __init__(self, parent, id, map, mainWindow):      def __init__(self, parent, id, map, mainWindow):
# Line 124  class LegendTree(wxTreeCtrl): Line 152  class LegendTree(wxTreeCtrl):
152                              style = wxTR_DEFAULT_STYLE | wxTR_HIDE_ROOT,                              style = wxTR_DEFAULT_STYLE | wxTR_HIDE_ROOT,
153                              size = (200, 200))                              size = (200, 200))
154    
155            self.mainWindow = mainWindow
156          self.map = None          self.map = None
157          self.parent = parent          self.parent = parent
158          self.layer2id = None          self.layer2id = {}
   
159    
160          self.image_list = None          self.image_list = None
161          self.emptyImageIndex = 0          self.emptyImageIndex = 0
# Line 137  class LegendTree(wxTreeCtrl): Line 165  class LegendTree(wxTreeCtrl):
165          EVT_TREE_ITEM_ACTIVATED(self, ID_LEGEND_TREE, self._OnItemActivated)          EVT_TREE_ITEM_ACTIVATED(self, ID_LEGEND_TREE, self._OnItemActivated)
166          EVT_TREE_SEL_CHANGED(self, ID_LEGEND_TREE, self._OnSelChanged)          EVT_TREE_SEL_CHANGED(self, ID_LEGEND_TREE, self._OnSelChanged)
167    
168            EVT_CLOSE(self, self._OnClose)
169    
170          self.SetMap(map)          self.SetMap(map)
171    
172        def _OnClose(self, event):
173            self.SetMap(None)
174    
175      def GetMap(self):      def GetMap(self):
176          return self.map          return self.map
177    
# Line 150  class LegendTree(wxTreeCtrl): Line 183  class LegendTree(wxTreeCtrl):
183    
184          if self.map is not None:          if self.map is not None:
185              for msg, func in sub_list: self.map.Unsubscribe(msg, func)              for msg, func in sub_list: self.map.Unsubscribe(msg, func)
186                #self.mainWindow.application.Unsubscribe(SESSION_REPLACED,
187                    #self._OnMsgMapsChanged)
188                #try:
189                    #self.mainWindow.application.session.Unsubscribe(MAPS_CHANGED,
190                        #self._OnMsgMapsChanged)
191                #except ConnectorError:
192                    #pass
193              self.__DeleteAllItems()              self.__DeleteAllItems()
194                    
195          self.map = map          self.map = map
196    
197          if self.map is not None:          if self.map is not None:
198              for msg, func in sub_list: self.map.Subscribe(msg, func)              for msg, func in sub_list: self.map.Subscribe(msg, func)
199                #self.mainWindow.application.session.Subscribe(MAPS_CHANGED,
200                    #self._OnMsgMapsChanged)
201                #self.mainWindow.application.Subscribe(SESSION_REPLACED,
202                    #self._OnMsgMapsChanged)
203              self.__FillTree(self.map)              self.__FillTree(self.map)
204    
205                            
206      def MoveCurrentItemUp(self):      def MoveCurrentItemUp(self):
207          cur_id = self.GetSelection()          cur_id = self.GetSelection()
208          assert(cur_id.IsOk())          assert cur_id.IsOk()
209    
210          cur_data = self.GetPyData(cur_id)          cur_data = self.GetPyData(cur_id)
211    
# Line 177  class LegendTree(wxTreeCtrl): Line 221  class LegendTree(wxTreeCtrl):
221          elif isinstance(cur_data, ClassGroup):          elif isinstance(cur_data, ClassGroup):
222              pass              pass
223          else:          else:
224              assert(False, "Shouldn't be here.")              assert False, "Shouldn't be here."
225              pass              pass
226    
227      def MoveCurrentItemDown(self):      def MoveCurrentItemDown(self):
228          cur_id = self.GetSelection()          cur_id = self.GetSelection()
229          assert(cur_id.IsOk())          assert cur_id.IsOk()
230    
231          cur_data = self.GetPyData(cur_id)          cur_data = self.GetPyData(cur_id)
232    
# Line 191  class LegendTree(wxTreeCtrl): Line 235  class LegendTree(wxTreeCtrl):
235          elif isinstance(cur_data, ClassGroup):          elif isinstance(cur_data, ClassGroup):
236              pass              pass
237          else:          else:
238              assert(False, "Shouldn't be here.")              assert False, "Shouldn't be here."
239              pass              pass
240    
241    
# Line 208  class LegendTree(wxTreeCtrl): Line 252  class LegendTree(wxTreeCtrl):
252    
253    
254      def DoOnShowLayer(self):      def DoOnShowLayer(self):
255          self.__ShowHideLayer(True)          #self.__ShowHideLayer(True)
256            layer, group = self.GetSelectedHierarchy()
257            layer.SetVisible(True)
258    
259      def DoOnHideLayer(self):      def DoOnHideLayer(self):
260          self.__ShowHideLayer(False)          #self.__ShowHideLayer(False)
261            layer, group = self.GetSelectedHierarchy()
262      def DoOnClassify(self):          layer.SetVisible(False)
         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")  
263    
264      def Sort(self):      def Sort(self):
265          self.SortChildren(self.GetRootItem())          self.SortChildren(self.GetRootItem())
266    
267        def _OnMsgMapsChanged(self):
268            #print self.map is self.mainWindow.Map()
269            self.SetMap(self.mainWindow.Map())
270            
271      def _OnSelChanged(self, event):      def _OnSelChanged(self, event):
         id = self.GetSelection()  
         assert(id.IsOk())  
   
         group = None  
         layer = self.GetPyData(id)  
         if isinstance(layer, ClassGroup):  
             id = self.GetItemParent(id)  
             assert(id.IsOk())  
             group = layer  
             layer = self.GetPyData(id)  
272    
273            layer, group = self.GetSelectedHierarchy()
274          self.parent.DoOnSelChanged(layer, group)          self.parent.DoOnSelChanged(layer, group)
275    
276      def _OnItemActivated(self, event):      def _OnItemActivated(self, event):
277          self.DoOnClassify()          self.parent.DoOnProperties()
278    
279      def _OnMsgLayerChanged(self, layer):      def _OnMsgLayerChanged(self, layer):
280          assert(isinstance(layer, Layer))          assert isinstance(layer, Layer)
281    
282          id = self.layer2id[layer]          id = self.layer2id[layer]
283            assert id.IsOk()
284    
285          self.__FillTreeLayer(id)          # XXX: yikes! this is so bad, we should be doing what is
286            #      commented out, but there is a problem with keeping
287            #      track of the images in the image list when we replace
288            #      a layer. it ends up causing a seg fault.
289            self.__FillTree(self.map)
290            #self.__FillTreeLayer(id)
291    
292      def _OnMsgMapStackingChanged(self, *args):      def _OnMsgMapStackingChanged(self, *args):
293          self.Sort()          self.Sort()
# Line 262  class LegendTree(wxTreeCtrl): Line 297  class LegendTree(wxTreeCtrl):
297              self.EnsureVisible(id)              self.EnsureVisible(id)
298    
299      def _OnMsgMapLayersAddedRemoved(self, map):      def _OnMsgMapLayersAddedRemoved(self, map):
300          assert(id(map) == id(self.map))          assert map is self.map
301    
302          self.__FillTree(self.map)          self.__FillTree(self.map)
303    
304        def _OnMsgLayerVisibilityChanged(self, layer):
305            assert isinstance(layer, Layer)
306    
307            self.__ShowHideLayer(layer)
308    
309        def GetSelectedHierarchy(self):
310            id = self.GetSelection()
311            assert id.IsOk()
312    
313            layer = self.GetPyData(id)
314            group = None
315    
316            if isinstance(layer, ClassGroup):
317                id = self.GetItemParent(id)
318                assert id.IsOk()
319                group = layer
320                layer = self.GetPyData(id)
321    
322            return (layer, group)
323    
324      def __FillTree(self, map):      def __FillTree(self, map):
325    
326          assert(isinstance(map, Map))          assert isinstance(map, Map)
327    
328          self.Freeze()          self.Freeze()
329    
# Line 295  class LegendTree(wxTreeCtrl): Line 350  class LegendTree(wxTreeCtrl):
350              for l in map.Layers():              for l in map.Layers():
351                  id = self.PrependItem(root, l.Title())                  id = self.PrependItem(root, l.Title())
352                  l.Subscribe(LAYER_CHANGED, self._OnMsgLayerChanged)                  l.Subscribe(LAYER_CHANGED, self._OnMsgLayerChanged)
353                    l.Subscribe(LAYER_VISIBILITY_CHANGED,
354                                self._OnMsgLayerVisibilityChanged)
355                  self.SetPyData(id, l)                  self.SetPyData(id, l)
356                  font = self.GetItemFont(id)                  self.__SetVisibilityStyle(l.Visible(), id)
                 if not l.Visible():  
                     font.SetStyle(wxITALIC)  
                     self.SetItemFont(id, font)  
357    
358                  self.layer2id[l] = id                  self.layer2id[l] = id
359    
# Line 319  class LegendTree(wxTreeCtrl): Line 373  class LegendTree(wxTreeCtrl):
373    
374          shapeType = layer.ShapeType()          shapeType = layer.ShapeType()
375    
376            show = layer.Visible()
377          for g in clazz:          for g in clazz:
378              id = self.AppendItem(pid, g.GetDisplayText())              if g.IsVisible():
379              self.SetPyData(id, g)                  id = self.AppendItem(pid, g.GetDisplayText())
380                    self.SetPyData(id, g)
381              bmp = self.__BuildGroupImage(g, shapeType)                  self.__SetVisibilityStyle(show, id)
382    
383              if bmp is None:                  bmp = self.__BuildGroupImage(g, shapeType)
384                  self.SetItemImage(id, self.emptyImageIndex)  
385              else:                  if bmp is None:
386                  i = self.image_list.Add(bmp)                      self.SetItemImage(id, self.emptyImageIndex)
387                  self.SetItemImage(id, i)                  else:
388                        i = self.image_list.Add(bmp)
389              #self.layer2id[g] = id                      self.SetItemImage(id, i)
390    
391          self.Thaw()          self.Thaw()
392    
393      def __BuildGroupImage(self, group, shapeType):      def __BuildGroupImage(self, group, shapeType):
394          assert(isinstance(group, ClassGroup))          assert isinstance(group, ClassGroup)
395    
396          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)
397          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)
# Line 349  class LegendTree(wxTreeCtrl): Line 404  class LegendTree(wxTreeCtrl):
404          return bmp          return bmp
405    
406      def __DeleteAllItems(self):      def __DeleteAllItems(self):
         self.DeleteAllItems()  
         self.layer2id = {}  
407    
408            while len(self.layer2id) > 0:
409                layer, id = self.layer2id.popitem()
410                layer.Unsubscribe(LAYER_CHANGED,
411                                  self._OnMsgLayerChanged)
412                layer.Unsubscribe(LAYER_VISIBILITY_CHANGED,
413                                  self._OnMsgLayerVisibilityChanged)
414    
415      def __ShowHideLayer(self, show):          self.DeleteAllItems()
         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)  
416    
417        def __SetVisibilityStyle(self, visible, id):
418            font = self.GetItemFont(id)
419    
420          if show != item.Visible():          if visible:
421                font.SetStyle(wxNORMAL)
422                color = wxBLACK
423            else:
424                font.SetStyle(wxITALIC)
425                color = wxLIGHT_GREY
426    
427              item.SetVisible(show)          self.SetItemTextColour(id, color)
428            self.SetItemFont(id, font)
429            
430        def __ShowHideLayer(self, layer):
431            parent = self.layer2id[layer]
432            assert parent.IsOk()
433    
434              font = self.GetItemFont(id)          visible = layer.Visible()
             if show:  
                 font.SetStyle(wxNORMAL)  
                 self.SetItemFont(id, font)  
             else:  
                 font.SetStyle(wxITALIC)  
                 self.SetItemFont(id, font)  
435    
436            self.__SetVisibilityStyle(visible, parent)
437    
438            id, cookie = self.GetFirstChild(parent, 123)
439    
440            while id.IsOk():
441                self.__SetVisibilityStyle(visible, id)
442                id, cookie = self.GetNextChild(parent, cookie)
443                
Legend:
Removed from v.568  
changed lines
  Added in v.639
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