/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/legend.py
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revision 572 by jonathan, Fri Mar 28 17:06:50 2003 UTC revision 655 by jonathan, Fri Apr 11 15:50:13 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)
55          buttonBox.Add(button, 0, wxGROW | wxLEFT | wxRIGHT, 0)  
56          self.buttons.append(button)          self.toolBar = wxToolBar(self, -1)
   
         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)  
57    
58          panelBox.Add(buttonBox, 0, 0, 4)          bmp = resource.GetBitmapResource(RAISE_BMP, wxBITMAP_TYPE_XPM)
59            self.toolBar.AddTool(ID_LEGEND_RAISE, bmp,
60                shortHelpString=_("Raise Layer"))
61    
62            bmp = resource.GetBitmapResource(LOWER_BMP, wxBITMAP_TYPE_XPM)
63            self.toolBar.AddTool(ID_LEGEND_LOWER, bmp,
64                shortHelpString=_("Lower Layer"))
65    
66            bmp = resource.GetBitmapResource(SHOW_BMP, wxBITMAP_TYPE_XPM)
67            self.toolBar.AddTool(ID_LEGEND_SHOWLAYER, bmp,
68                shortHelpString=_("Show Layer"))
69    
70            bmp = resource.GetBitmapResource(HIDE_BMP, wxBITMAP_TYPE_XPM)
71            self.toolBar.AddTool(ID_LEGEND_HIDELAYER, bmp,
72                shortHelpString=_("Hide Layer"))
73    
74            bmp = resource.GetBitmapResource(PROPS_BMP, wxBITMAP_TYPE_XPM)
75            self.toolBar.AddTool(ID_LEGEND_PROPS, bmp,
76                shortHelpString=_("Edit Layer Properties"))
77    
78            self.toolBar.Realize()
79            panelBox.Add(self.toolBar, 0, wxALL, 0)
80    
81            EVT_TOOL(self, ID_LEGEND_RAISE, self._OnMoveUp)
82            EVT_TOOL(self, ID_LEGEND_LOWER, self._OnMoveDown)
83            EVT_TOOL(self, ID_LEGEND_PROPS, self._OnProperties)
84            EVT_TOOL(self, ID_LEGEND_SHOWLAYER, self._OnShowLayer)
85            EVT_TOOL(self, ID_LEGEND_HIDELAYER, self._OnHideLayer)
86    
87          self.tree = LegendTree(self, ID_LEGEND_TREE, map, mainWindow)          self.tree = LegendTree(self, ID_LEGEND_TREE, map, mainWindow)
88    
# Line 84  class LegendPanel(DockPanel): Line 94  class LegendPanel(DockPanel):
94          self.SetSizer(panelBox)          self.SetSizer(panelBox)
95          panelBox.SetSizeHints(self)          panelBox.SetSizeHints(self)
96    
         #panelBox.SetSizeHints(self.parent)  
   
97          self.panelBox = panelBox          self.panelBox = panelBox
98    
99            self.__EnableButtons(False)
100    
101          EVT_CLOSE(self, self._OnClose)          EVT_CLOSE(self, self._OnClose)
102    
103    
# Line 102  class LegendPanel(DockPanel): Line 112  class LegendPanel(DockPanel):
112          ok = isinstance(layer, Layer)          ok = isinstance(layer, Layer)
113          self.__EnableButtons(ok)          self.__EnableButtons(ok)
114    
115          if ok:          self.mainWindow.SelectLayer(layer)
             self.mainWindow.SelectLayer(layer)  
116    
117      def DoOnClassify(self):      def DoOnProperties(self):
118          list = self.tree.GetSelectedHierarchy()          list = self.tree.GetSelectedHierarchy()
119    
120          ok = isinstance(list[0], Layer)          ok = isinstance(list[0], Layer)
121          if ok:          if ok:
122              self.mainWindow.OpenClassifier(list[0], list[1])              self.mainWindow.OpenLayerProperties(list[0], list[1])
123    
124        def Destroy(self):
125            self.__Close()
126    
127      def _OnClassify(self, event):      def _OnProperties(self, event):
128          self.DoOnClassify()          self.DoOnProperties()
129    
130      def _OnMoveUp(self, event):      def _OnMoveUp(self, event):
131          self.tree.MoveCurrentItemUp()          self.tree.MoveCurrentItemUp()
# Line 125  class LegendPanel(DockPanel): Line 137  class LegendPanel(DockPanel):
137          self.tree.DoOnShowLayer()          self.tree.DoOnShowLayer()
138          pass          pass
139    
140        #def Close(self, force = False):
141            #DockPanel.Close(self, force)
142            
143      def _OnClose(self, event):      def _OnClose(self, event):
144          self.tree.Close()          self.__Close()
145    
146      def _OnHideLayer(self, event):      def _OnHideLayer(self, event):
147          self.tree.DoOnHideLayer()          self.tree.DoOnHideLayer()
148          pass          pass
149    
150      def __EnableButtons(self, on):      def __EnableButtons(self, on):
151          for b in self.buttons:          self.toolBar.EnableTool(ID_LEGEND_RAISE, on)
152              b.Enable(on)          self.toolBar.EnableTool(ID_LEGEND_LOWER, on)
153            self.toolBar.EnableTool(ID_LEGEND_SHOWLAYER,  on)
154            self.toolBar.EnableTool(ID_LEGEND_HIDELAYER,  on)
155            self.toolBar.EnableTool(ID_LEGEND_PROPS, on)
156    
157        def __Close(self):
158            self.tree.Close()
159    
160  class LegendTree(wxTreeCtrl):  class LegendTree(wxTreeCtrl):
161    
# Line 161  class LegendTree(wxTreeCtrl): Line 182  class LegendTree(wxTreeCtrl):
182          self.SetMap(map)          self.SetMap(map)
183    
184      def _OnClose(self, event):      def _OnClose(self, event):
         print "LegendTree destroyed"  
185          self.SetMap(None)          self.SetMap(None)
186    
187      def GetMap(self):      def GetMap(self):
# Line 197  class LegendTree(wxTreeCtrl): Line 217  class LegendTree(wxTreeCtrl):
217                            
218      def MoveCurrentItemUp(self):      def MoveCurrentItemUp(self):
219          cur_id = self.GetSelection()          cur_id = self.GetSelection()
220          assert(cur_id.IsOk())          assert cur_id.IsOk()
221    
222          cur_data = self.GetPyData(cur_id)          cur_data = self.GetPyData(cur_id)
223    
# Line 213  class LegendTree(wxTreeCtrl): Line 233  class LegendTree(wxTreeCtrl):
233          elif isinstance(cur_data, ClassGroup):          elif isinstance(cur_data, ClassGroup):
234              pass              pass
235          else:          else:
236              assert(False, "Shouldn't be here.")              assert False, "Shouldn't be here."
237              pass              pass
238    
239      def MoveCurrentItemDown(self):      def MoveCurrentItemDown(self):
240          cur_id = self.GetSelection()          cur_id = self.GetSelection()
241          assert(cur_id.IsOk())          assert cur_id.IsOk()
242    
243          cur_data = self.GetPyData(cur_id)          cur_data = self.GetPyData(cur_id)
244    
# Line 227  class LegendTree(wxTreeCtrl): Line 247  class LegendTree(wxTreeCtrl):
247          elif isinstance(cur_data, ClassGroup):          elif isinstance(cur_data, ClassGroup):
248              pass              pass
249          else:          else:
250              assert(False, "Shouldn't be here.")              assert False, "Shouldn't be here."
251              pass              pass
252    
253    
# Line 253  class LegendTree(wxTreeCtrl): Line 273  class LegendTree(wxTreeCtrl):
273          layer, group = self.GetSelectedHierarchy()          layer, group = self.GetSelectedHierarchy()
274          layer.SetVisible(False)          layer.SetVisible(False)
275    
 #   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")  
   
276      def Sort(self):      def Sort(self):
277          self.SortChildren(self.GetRootItem())          self.SortChildren(self.GetRootItem())
278    
279        def GetSelectedHierarchy(self):
280            id = self.GetSelection()
281    
282            if not id.IsOk():
283                return (None, None)
284    
285            layer = self.GetPyData(id)
286            group = None
287    
288            if isinstance(layer, ClassGroup):
289                id = self.GetItemParent(id)
290                assert id.IsOk()
291                group = layer
292                layer = self.GetPyData(id)
293    
294            return (layer, group)
295    
296      def _OnMsgMapsChanged(self):      def _OnMsgMapsChanged(self):
297          print "ADfsadfsadfsadfsa"          #print self.map is self.mainWindow.Map()
         print self.map is self.mainWindow.Map()  
298          self.SetMap(self.mainWindow.Map())          self.SetMap(self.mainWindow.Map())
299                    
300      def _OnSelChanged(self, event):      def _OnSelChanged(self, event):
301            self.__UpdateSelection()
         layer, group = self.GetSelectedHierarchy()  
         self.parent.DoOnSelChanged(layer, group)  
302    
303      def _OnItemActivated(self, event):      def _OnItemActivated(self, event):
304          self.parent.DoOnClassify()          self.parent.DoOnProperties()
305    
306      def _OnMsgLayerChanged(self, layer):      def _OnMsgLayerChanged(self, layer):
307          assert(isinstance(layer, Layer))          assert isinstance(layer, Layer)
308    
309          id = self.layer2id[layer]          id = self.layer2id[layer]
310            assert id.IsOk()
311    
312          self.__FillTreeLayer(id)          # XXX: yikes! this is so bad, we should be doing what is
313            #      commented out, but there is a problem with keeping
314            #      track of the images in the image list when we replace
315            #      a layer. it ends up causing a seg fault.
316            self.__FillTree(self.map)
317            self.__UpdateSelection()
318            #self.__FillTreeLayer(id)
319    
320      def _OnMsgMapStackingChanged(self, *args):      def _OnMsgMapStackingChanged(self, *args):
321          self.Sort()          self.Sort()
# Line 296  class LegendTree(wxTreeCtrl): Line 323  class LegendTree(wxTreeCtrl):
323    
324          if id.IsOk():          if id.IsOk():
325              self.EnsureVisible(id)              self.EnsureVisible(id)
326            self.__UpdateSelection()
327    
328      def _OnMsgMapLayersAddedRemoved(self, map):      def _OnMsgMapLayersAddedRemoved(self, map):
329          assert(map is self.map)          assert map is self.map
330    
331          self.__FillTree(self.map)          self.__FillTree(self.map)
332            self.__UpdateSelection()
333    
334      def _OnMsgLayerVisibilityChanged(self, layer):      def _OnMsgLayerVisibilityChanged(self, layer):
335          assert(isinstance(layer, Layer))          assert isinstance(layer, Layer)
336    
337          self.__ShowHideLayer(layer)          self.__ShowHideLayer(layer)
338            self.__UpdateSelection()
339    
340      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)  
341    
342          return (layer, group)          id = self.layer2id[layer]
343            if id.IsOk():
344                self.SetItemText(id, layer.Title())
345            self.__UpdateSelection()
346    
347        def __UpdateSelection(self):
348            layer, group = self.GetSelectedHierarchy()
349            self.parent.DoOnSelChanged(layer, group)
350            
351      def __FillTree(self, map):      def __FillTree(self, map):
352    
353          assert(isinstance(map, Map))          assert isinstance(map, Map)
354    
355          self.Freeze()          self.Freeze()
356    
# Line 353  class LegendTree(wxTreeCtrl): Line 379  class LegendTree(wxTreeCtrl):
379                  l.Subscribe(LAYER_CHANGED, self._OnMsgLayerChanged)                  l.Subscribe(LAYER_CHANGED, self._OnMsgLayerChanged)
380                  l.Subscribe(LAYER_VISIBILITY_CHANGED,                  l.Subscribe(LAYER_VISIBILITY_CHANGED,
381                              self._OnMsgLayerVisibilityChanged)                              self._OnMsgLayerVisibilityChanged)
382                    l.Subscribe(TITLE_CHANGED, self._OnMsgLayerTitleChanged)
383                  self.SetPyData(id, l)                  self.SetPyData(id, l)
384                  font = self.GetItemFont(id)                  self.__SetVisibilityStyle(l.Visible(), id)
                 if not l.Visible():  
                     font.SetStyle(wxITALIC)  
                     self.SetItemFont(id, font)  
385    
386                  self.layer2id[l] = id                  self.layer2id[l] = id
387    
# Line 377  class LegendTree(wxTreeCtrl): Line 401  class LegendTree(wxTreeCtrl):
401    
402          shapeType = layer.ShapeType()          shapeType = layer.ShapeType()
403    
404            show = layer.Visible()
405          for g in clazz:          for g in clazz:
406              id = self.AppendItem(pid, g.GetDisplayText())              if g.IsVisible():
407              self.SetPyData(id, g)                  id = self.AppendItem(pid, g.GetDisplayText())
408                    self.SetPyData(id, g)
409              bmp = self.__BuildGroupImage(g, shapeType)                  self.__SetVisibilityStyle(show, id)
410    
411              if bmp is None:                  bmp = self.__BuildGroupImage(g, shapeType)
412                  self.SetItemImage(id, self.emptyImageIndex)  
413              else:                  if bmp is None:
414                  i = self.image_list.Add(bmp)                      self.SetItemImage(id, self.emptyImageIndex)
415                  self.SetItemImage(id, i)                  else:
416                        i = self.image_list.Add(bmp)
417              #self.layer2id[g] = id                      self.SetItemImage(id, i)
418    
419          self.Thaw()          self.Thaw()
420    
421      def __BuildGroupImage(self, group, shapeType):      def __BuildGroupImage(self, group, shapeType):
422          assert(isinstance(group, ClassGroup))          assert isinstance(group, ClassGroup)
423    
424          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)
425          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)
# Line 407  class LegendTree(wxTreeCtrl): Line 432  class LegendTree(wxTreeCtrl):
432          return bmp          return bmp
433    
434      def __DeleteAllItems(self):      def __DeleteAllItems(self):
         self.DeleteAllItems()  
435    
436          while len(self.layer2id) > 0:          while len(self.layer2id) > 0:
437              layer, id = self.layer2id.popitem()              layer, id = self.layer2id.popitem()
# Line 415  class LegendTree(wxTreeCtrl): Line 439  class LegendTree(wxTreeCtrl):
439                                self._OnMsgLayerChanged)                                self._OnMsgLayerChanged)
440              layer.Unsubscribe(LAYER_VISIBILITY_CHANGED,              layer.Unsubscribe(LAYER_VISIBILITY_CHANGED,
441                                self._OnMsgLayerVisibilityChanged)                                self._OnMsgLayerVisibilityChanged)
442                layer.Unsubscribe(TITLE_CHANGED, self._OnMsgLayerTitleChanged)
443    
444      def __ShowHideHelper(self, show, id):          self.DeleteAllItems()
445    
446        def __SetVisibilityStyle(self, visible, id):
447          font = self.GetItemFont(id)          font = self.GetItemFont(id)
448    
449          if show:          if visible:
450              font.SetStyle(wxNORMAL)              font.SetStyle(wxNORMAL)
451              color = wxBLACK              color = wxBLACK
452          else:          else:
# Line 432  class LegendTree(wxTreeCtrl): Line 458  class LegendTree(wxTreeCtrl):
458                    
459      def __ShowHideLayer(self, layer):      def __ShowHideLayer(self, layer):
460          parent = self.layer2id[layer]          parent = self.layer2id[layer]
461          assert(parent.IsOk())          assert parent.IsOk()
   
         show = layer.Visible()  
462    
463            visible = layer.Visible()
464    
465          self.__ShowHideHelper(show, parent)          self.__SetVisibilityStyle(visible, parent)
466    
467          id, cookie = self.GetFirstChild(parent, 123)          id, cookie = self.GetFirstChild(parent, 123)
468    
469          while id.IsOk():          while id.IsOk():
470              self.__ShowHideHelper(show, id)              self.__SetVisibilityStyle(visible, id)
471              id, cookie = self.GetNextChild(parent, cookie)              id, cookie = self.GetNextChild(parent, cookie)
472                            
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  Added in v.655
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