/[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 658 by jonathan, Mon Apr 14 14:06:30 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            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, wxALL, 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          self.tree = LegendTree(self, ID_LEGEND_TREE, map, mainWindow)          self.tree = LegendTree(self, ID_LEGEND_TREE, map, mainWindow)
89    
90          panelBox.Add(self.tree, 1, wxGROW, 4)          panelBox.Add(self.tree, 1, wxGROW, 0)
91    
92          panelBox.Fit(self)          #panelBox.Fit(self)
93    
94          self.SetAutoLayout(True)          self.SetAutoLayout(True)
95          self.SetSizer(panelBox)          self.SetSizer(panelBox)
96          panelBox.SetSizeHints(self)          panelBox.SetSizeHints(self)
97    
98          #panelBox.SetSizeHints(self.parent)          print "legend: ", self.GetSize()
99    
100          self.panelBox = panelBox          self.panelBox = panelBox
101    
102            self.__EnableButtons(False)
103    
104            self.Create()
105    
106          EVT_CLOSE(self, self._OnClose)          EVT_CLOSE(self, self._OnClose)
107    
108    
# Line 102  class LegendPanel(DockPanel): Line 117  class LegendPanel(DockPanel):
117          ok = isinstance(layer, Layer)          ok = isinstance(layer, Layer)
118          self.__EnableButtons(ok)          self.__EnableButtons(ok)
119    
120          if ok:          self.mainWindow.SelectLayer(layer)
             self.mainWindow.SelectLayer(layer)  
121    
122      def DoOnClassify(self):      def DoOnProperties(self):
123          list = self.tree.GetSelectedHierarchy()          list = self.tree.GetSelectedHierarchy()
124    
125          ok = isinstance(list[0], Layer)          ok = isinstance(list[0], Layer)
126          if ok:          if ok:
127              self.mainWindow.OpenClassifier(list[0], list[1])              self.mainWindow.OpenLayerProperties(list[0], list[1])
128    
129      def Destroy(self):      def Destroy(self):
130          self.__Close()          self.__Close()
131    
132      def _OnClassify(self, event):      def _OnProperties(self, event):
133          self.DoOnClassify()          self.DoOnProperties()
134    
135      def _OnMoveUp(self, event):      def _OnMoveUp(self, event):
136          self.tree.MoveCurrentItemUp()          self.tree.MoveCurrentItemUp()
# Line 139  class LegendPanel(DockPanel): Line 153  class LegendPanel(DockPanel):
153          pass          pass
154    
155      def __EnableButtons(self, on):      def __EnableButtons(self, on):
156          for b in self.buttons:          self.toolBar.EnableTool(ID_LEGEND_RAISE, on)
157              b.Enable(on)          self.toolBar.EnableTool(ID_LEGEND_LOWER, on)
158            self.toolBar.EnableTool(ID_LEGEND_SHOWLAYER,  on)
159            self.toolBar.EnableTool(ID_LEGEND_HIDELAYER,  on)
160            self.toolBar.EnableTool(ID_LEGEND_PROPS, on)
161    
162      def __Close(self):      def __Close(self):
163          self.tree.Close()          self.tree.Close()
# Line 205  class LegendTree(wxTreeCtrl): Line 222  class LegendTree(wxTreeCtrl):
222                            
223      def MoveCurrentItemUp(self):      def MoveCurrentItemUp(self):
224          cur_id = self.GetSelection()          cur_id = self.GetSelection()
225          assert(cur_id.IsOk())          assert cur_id.IsOk()
226    
227          cur_data = self.GetPyData(cur_id)          cur_data = self.GetPyData(cur_id)
228    
# Line 221  class LegendTree(wxTreeCtrl): Line 238  class LegendTree(wxTreeCtrl):
238          elif isinstance(cur_data, ClassGroup):          elif isinstance(cur_data, ClassGroup):
239              pass              pass
240          else:          else:
241              assert(False, "Shouldn't be here.")              assert False, "Shouldn't be here."
242              pass              pass
243    
244      def MoveCurrentItemDown(self):      def MoveCurrentItemDown(self):
245          cur_id = self.GetSelection()          cur_id = self.GetSelection()
246          assert(cur_id.IsOk())          assert cur_id.IsOk()
247    
248          cur_data = self.GetPyData(cur_id)          cur_data = self.GetPyData(cur_id)
249    
# Line 235  class LegendTree(wxTreeCtrl): Line 252  class LegendTree(wxTreeCtrl):
252          elif isinstance(cur_data, ClassGroup):          elif isinstance(cur_data, ClassGroup):
253              pass              pass
254          else:          else:
255              assert(False, "Shouldn't be here.")              assert False, "Shouldn't be here."
256              pass              pass
257    
258    
# Line 261  class LegendTree(wxTreeCtrl): Line 278  class LegendTree(wxTreeCtrl):
278          layer, group = self.GetSelectedHierarchy()          layer, group = self.GetSelectedHierarchy()
279          layer.SetVisible(False)          layer.SetVisible(False)
280    
 #   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")  
   
281      def Sort(self):      def Sort(self):
282          self.SortChildren(self.GetRootItem())          self.SortChildren(self.GetRootItem())
283    
284        def GetSelectedHierarchy(self):
285            id = self.GetSelection()
286    
287            if not id.IsOk():
288                return (None, None)
289    
290            layer = self.GetPyData(id)
291            group = None
292    
293            if isinstance(layer, ClassGroup):
294                id = self.GetItemParent(id)
295                assert id.IsOk()
296                group = layer
297                layer = self.GetPyData(id)
298    
299            return (layer, group)
300    
301      def _OnMsgMapsChanged(self):      def _OnMsgMapsChanged(self):
302          print "ADfsadfsadfsadfsa"          #print self.map is self.mainWindow.Map()
         print self.map is self.mainWindow.Map()  
303          self.SetMap(self.mainWindow.Map())          self.SetMap(self.mainWindow.Map())
304                    
305      def _OnSelChanged(self, event):      def _OnSelChanged(self, event):
306            self.__UpdateSelection()
         layer, group = self.GetSelectedHierarchy()  
         self.parent.DoOnSelChanged(layer, group)  
307    
308      def _OnItemActivated(self, event):      def _OnItemActivated(self, event):
309          self.parent.DoOnClassify()          self.parent.DoOnProperties()
310    
311      def _OnMsgLayerChanged(self, layer):      def _OnMsgLayerChanged(self, layer):
312          assert(isinstance(layer, Layer))          assert isinstance(layer, Layer)
313    
314          id = self.layer2id[layer]          id = self.layer2id[layer]
315          assert(id.IsOk())          assert id.IsOk()
316    
317          # XXX: yikes! this is so bad, we should be doing what is          # XXX: yikes! this is so bad, we should be doing what is
318          #      commented out, but there is a problem with keeping          #      commented out, but there is a problem with keeping
319          #      track of the images in the image list when we replace          #      track of the images in the image list when we replace
320          #      a layer. it ends up causing a seg fault.          #      a layer. it ends up causing a seg fault.
321          self.__FillTree(self.map)          self.__FillTree(self.map)
322            self.__UpdateSelection()
323          #self.__FillTreeLayer(id)          #self.__FillTreeLayer(id)
324    
325      def _OnMsgMapStackingChanged(self, *args):      def _OnMsgMapStackingChanged(self, *args):
# Line 310  class LegendTree(wxTreeCtrl): Line 328  class LegendTree(wxTreeCtrl):
328    
329          if id.IsOk():          if id.IsOk():
330              self.EnsureVisible(id)              self.EnsureVisible(id)
331            self.__UpdateSelection()
332    
333      def _OnMsgMapLayersAddedRemoved(self, map):      def _OnMsgMapLayersAddedRemoved(self, map):
334          assert(map is self.map)          assert map is self.map
335    
336          self.__FillTree(self.map)          self.__FillTree(self.map)
337            self.__UpdateSelection()
338    
339      def _OnMsgLayerVisibilityChanged(self, layer):      def _OnMsgLayerVisibilityChanged(self, layer):
340          assert(isinstance(layer, Layer))          assert isinstance(layer, Layer)
341    
342          self.__ShowHideLayer(layer)          self.__ShowHideLayer(layer)
343            self.__UpdateSelection()
344    
345      def GetSelectedHierarchy(self):      def _OnMsgLayerTitleChanged(self, layer):
         id = self.GetSelection()  
         assert(id.IsOk())  
346    
347          layer = self.GetPyData(id)          id = self.layer2id[layer]
348          group = None          if id.IsOk():
349                self.SetItemText(id, layer.Title())
350          if isinstance(layer, ClassGroup):          self.__UpdateSelection()
             id = self.GetItemParent(id)  
             assert(id.IsOk())  
             group = layer  
             layer = self.GetPyData(id)  
   
         return (layer, group)  
351    
352        def __UpdateSelection(self):
353            layer, group = self.GetSelectedHierarchy()
354            self.parent.DoOnSelChanged(layer, group)
355            
356      def __FillTree(self, map):      def __FillTree(self, map):
357    
358          assert(isinstance(map, Map))          assert isinstance(map, Map)
359    
360          self.Freeze()          self.Freeze()
361    
# Line 367  class LegendTree(wxTreeCtrl): Line 384  class LegendTree(wxTreeCtrl):
384                  l.Subscribe(LAYER_CHANGED, self._OnMsgLayerChanged)                  l.Subscribe(LAYER_CHANGED, self._OnMsgLayerChanged)
385                  l.Subscribe(LAYER_VISIBILITY_CHANGED,                  l.Subscribe(LAYER_VISIBILITY_CHANGED,
386                              self._OnMsgLayerVisibilityChanged)                              self._OnMsgLayerVisibilityChanged)
387                    l.Subscribe(TITLE_CHANGED, self._OnMsgLayerTitleChanged)
388                  self.SetPyData(id, l)                  self.SetPyData(id, l)
389                  font = self.GetItemFont(id)                  self.__SetVisibilityStyle(l.Visible(), id)
                 if not l.Visible():  
                     font.SetStyle(wxITALIC)  
                     self.SetItemFont(id, font)  
390    
391                  self.layer2id[l] = id                  self.layer2id[l] = id
392    
# Line 391  class LegendTree(wxTreeCtrl): Line 406  class LegendTree(wxTreeCtrl):
406    
407          shapeType = layer.ShapeType()          shapeType = layer.ShapeType()
408    
409            show = layer.Visible()
410          for g in clazz:          for g in clazz:
411              id = self.AppendItem(pid, g.GetDisplayText())              if g.IsVisible():
412              self.SetPyData(id, g)                  id = self.AppendItem(pid, g.GetDisplayText())
413                    self.SetPyData(id, g)
414              bmp = self.__BuildGroupImage(g, shapeType)                  self.__SetVisibilityStyle(show, id)
415    
416              if bmp is None:                  bmp = self.__BuildGroupImage(g, shapeType)
417                  self.SetItemImage(id, self.emptyImageIndex)  
418              else:                  if bmp is None:
419                  i = self.image_list.Add(bmp)                      self.SetItemImage(id, self.emptyImageIndex)
420                  self.SetItemImage(id, i)                  else:
421                        i = self.image_list.Add(bmp)
422                        self.SetItemImage(id, i)
423    
424          self.Thaw()          self.Thaw()
425    
426      def __BuildGroupImage(self, group, shapeType):      def __BuildGroupImage(self, group, shapeType):
427          assert(isinstance(group, ClassGroup))          assert isinstance(group, ClassGroup)
428    
429          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)
430          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)
# Line 426  class LegendTree(wxTreeCtrl): Line 444  class LegendTree(wxTreeCtrl):
444                                self._OnMsgLayerChanged)                                self._OnMsgLayerChanged)
445              layer.Unsubscribe(LAYER_VISIBILITY_CHANGED,              layer.Unsubscribe(LAYER_VISIBILITY_CHANGED,
446                                self._OnMsgLayerVisibilityChanged)                                self._OnMsgLayerVisibilityChanged)
447                layer.Unsubscribe(TITLE_CHANGED, self._OnMsgLayerTitleChanged)
448    
449          self.DeleteAllItems()          self.DeleteAllItems()
450    
451      def __ShowHideHelper(self, show, id):      def __SetVisibilityStyle(self, visible, id):
452          font = self.GetItemFont(id)          font = self.GetItemFont(id)
453    
454          if show:          if visible:
455              font.SetStyle(wxNORMAL)              font.SetStyle(wxNORMAL)
456              color = wxBLACK              color = wxBLACK
457          else:          else:
# Line 444  class LegendTree(wxTreeCtrl): Line 463  class LegendTree(wxTreeCtrl):
463                    
464      def __ShowHideLayer(self, layer):      def __ShowHideLayer(self, layer):
465          parent = self.layer2id[layer]          parent = self.layer2id[layer]
466          assert(parent.IsOk())          assert parent.IsOk()
   
         show = layer.Visible()  
467    
468            visible = layer.Visible()
469    
470          self.__ShowHideHelper(show, parent)          self.__SetVisibilityStyle(visible, parent)
471    
472          id, cookie = self.GetFirstChild(parent, 123)          id, cookie = self.GetFirstChild(parent, 123)
473    
474          while id.IsOk():          while id.IsOk():
475              self.__ShowHideHelper(show, id)              self.__SetVisibilityStyle(visible, id)
476              id, cookie = self.GetNextChild(parent, cookie)              id, cookie = self.GetNextChild(parent, cookie)
477                            
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  Added in v.658
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