/[thuban]/trunk/thuban/Thuban/UI/classifier.py
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Diff of /trunk/thuban/Thuban/UI/classifier.py

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revision 576 by jonathan, Mon Mar 31 18:31:17 2003 UTC revision 712 by jonathan, Wed Apr 23 08:46:40 2003 UTC
# Line 27  from Thuban.Model.color import Color Line 27  from Thuban.Model.color import Color
27    
28  from Thuban.Model.layer import Layer, SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT  from Thuban.Model.layer import Layer, SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT
29    
30    from Thuban.UI.classgen import ClassGenDialog, ClassGenerator
31    
32  from dialogs import NonModalDialog  from dialogs import NonModalDialog
33    
 # widget id's  
 ID_PROPERTY_SELECT = 4010  
34  ID_CLASS_TABLE = 40011  ID_CLASS_TABLE = 40011
35    
 ID_CLASSIFY_OK = 4001  
 ID_CLASSIFY_CANCEL = 4002  
 ID_CLASSIFY_ADD = 4003  
 ID_CLASSIFY_GENRANGE = 4004  
 ID_CLASSIFY_REMOVE = 4005  
 ID_CLASSIFY_MOVEUP = 4006  
 ID_CLASSIFY_MOVEDOWN = 4007  
 ID_CLASSIFY_APPLY = 4008  
36    
37  # table columns  # table columns
38  COL_SYMBOL = 0  COL_VISIBLE = 0
39  COL_VALUE  = 1  COL_SYMBOL  = 1
40  COL_LABEL  = 2  COL_VALUE   = 2
41    COL_LABEL   = 3
42    NUM_COLS    = 4
43    
44  # indices into the client data lists in Classifier.fields  # indices into the client data lists in Classifier.fields
45  FIELD_CLASS = 0  FIELD_CLASS = 0
# Line 60  import weakref Line 54  import weakref
54  class ClassGrid(wxGrid):  class ClassGrid(wxGrid):
55    
56    
57      def __init__(self, parent):      def __init__(self, parent, classifier):
58          """Constructor.          """Constructor.
59    
60          parent -- the parent window          parent -- the parent window
# Line 69  class ClassGrid(wxGrid): Line 63  class ClassGrid(wxGrid):
63                   use for display.                   use for display.
64          """          """
65    
         #wxGrid.__init__(self, parent, ID_CLASS_TABLE, size = (340, 160))  
66          wxGrid.__init__(self, parent, ID_CLASS_TABLE)          wxGrid.__init__(self, parent, ID_CLASS_TABLE)
67          #self.SetTable(ClassTable(fieldData, layer.ShapeType(), self), True)  
68            self.classifier = classifier
69    
70          self.currentSelection = []          self.currentSelection = []
71    
72          EVT_GRID_CELL_LEFT_DCLICK(self, self._OnCellDClick)          EVT_GRID_CELL_LEFT_DCLICK(self, self._OnCellDClick)
73          EVT_GRID_RANGE_SELECT(self, self._OnSelectedRange)          EVT_GRID_RANGE_SELECT(self, self._OnSelectedRange)
74          EVT_GRID_SELECT_CELL(self, self._OnSelectedCell)          EVT_GRID_SELECT_CELL(self, self._OnSelectedCell)
75            EVT_GRID_COL_SIZE(self, self._OnCellResize)
76            EVT_GRID_ROW_SIZE(self, self._OnCellResize)
77    
78          #print "123123123: ", ('Show' in dir(self))      #def GetCellAttr(self, row, col):
79            #print "GetCellAttr ", row, col
80      #def Show(self):          #wxGrid.GetCellAttr(self, row, col)
         #print "SHOW!"  
   
     #def Refresh(self):  
         #self.Show()  
     #def Update(self):  
         #self.Show()  
81    
82      def CreateTable(self, clazz, shapeType, group = None):      def CreateTable(self, clazz, shapeType, group = None):
83    
84          assert(isinstance(clazz, Classification))          assert isinstance(clazz, Classification)
85    
         self.shapeType = shapeType  
86          table = self.GetTable()          table = self.GetTable()
87          if table is None:          if table is None:
88              w = self.GetDefaultColSize() * 3 + self.GetDefaultRowLabelSize()              w = self.GetDefaultColSize() * NUM_COLS \
89              h = self.GetDefaultRowSize() * 4 + self.GetDefaultColLabelSize()                  + self.GetDefaultRowLabelSize()
90                h = self.GetDefaultRowSize() * 4 \
91                    + self.GetDefaultColLabelSize()
92    
93              self.SetDimensions(-1, -1, w, h)              self.SetDimensions(-1, -1, w, h)
94              self.SetSizeHints(w, h, -1, -1)              self.SetSizeHints(w, h, -1, -1)
95              table = ClassTable(self)              table = ClassTable(self)
# Line 107  class ClassGrid(wxGrid): Line 99  class ClassGrid(wxGrid):
99          self.SetSelectionMode(wxGrid.wxGridSelectRows)          self.SetSelectionMode(wxGrid.wxGridSelectRows)
100          self.ClearSelection()          self.ClearSelection()
101    
102          #print "8------------------"          table.Reset(clazz, shapeType, group)
         table.Reset(clazz, self.shapeType, group)  
         #print "9------------------"  
   
 #   def Show(self, show = True):  
 #       print "SHOW!"  
 #       wxGrid.Show(self, show)  
   
 #       sel = self.GetCurrentSelection()  
   
 #       print "( 1"  
 #       if len(sel) == 1:  
 #           print "( 2"  
 #           self.MakeCellVisible(sel[0], 0)  
103    
104      def GetCurrentSelection(self):      def GetCurrentSelection(self):
105          """Return the currently highlighted rows as an increasing list          """Return the currently highlighted rows as an increasing list
106             of row numbers."""             of row numbers."""
         #print "@@ ", self.currentSelection  
107          sel = copy.copy(self.currentSelection)          sel = copy.copy(self.currentSelection)
108          sel.sort()          sel.sort()
109          return sel          return sel
# Line 133  class ClassGrid(wxGrid): Line 111  class ClassGrid(wxGrid):
111      def GetSelectedRows(self):      def GetSelectedRows(self):
112          return self.GetCurrentSelection()          return self.GetCurrentSelection()
113    
114      def SetCellRenderer(self, row, col):      #def SetCellRenderer(self, row, col, renderer):
115          raise ValueError(_("Must not allow setting of renderer in ClassGrid!"))          #raise ValueError(_("Must not allow setting of renderer in ClassGrid!"))
116    
117      #      #
118      # [Set|Get]Table is taken from http://wiki.wxpython.org      # [Set|Get]Table is taken from http://wiki.wxpython.org
# Line 203  class ClassGrid(wxGrid): Line 181  class ClassGrid(wxGrid):
181      def SelectGroup(self, group, makeVisible = True):      def SelectGroup(self, group, makeVisible = True):
182          if group is None: return          if group is None: return
183    
184          assert(isinstance(group, ClassGroup))          assert isinstance(group, ClassGroup)
185    
186          table = self.GetTable()          table = self.GetTable()
187    
188          assert(table is not None)          assert table is not None
189    
   
         #print "-- ", group  
190          for i in range(table.GetNumberRows()):          for i in range(table.GetNumberRows()):
191              g = table.GetClassGroup(i)              g = table.GetClassGroup(i)
             #print "1", g  
192              if g is group:              if g is group:
                 #print "2"  
193                  self.SelectRow(i)                  self.SelectRow(i)
194                  if makeVisible:                  if makeVisible:
                     #print "3"  
195                      self.MakeCellVisible(i, 0)                      self.MakeCellVisible(i, 0)
196                  break                  break
197    
           
   
198  #  #
199  # XXX: This isn't working, and there is no way to deselect rows wxPython!  # XXX: This isn't working, and there is no way to deselect rows wxPython!
200  #  #
# Line 236  class ClassGrid(wxGrid): Line 207  class ClassGrid(wxGrid):
207  #                                  sel = False))  #                                  sel = False))
208    
209      def _OnCellDClick(self, event):      def _OnCellDClick(self, event):
210          """Handle a double on a cell."""          """Handle a double click on a cell."""
211    
212          r = event.GetRow()          r = event.GetRow()
213          c = event.GetCol()          c = event.GetCol()
         if c == COL_SYMBOL:  
             prop = self.GetTable().GetValueAsCustom(r, c, None)  
             #prop = group.GetProperties()  
214    
215              # get a new ClassGroupProperties object and copy the          if c == COL_SYMBOL:
216              # values over to our current object              self.classifier.EditSymbol(r)
217              propDlg = SelectPropertiesDialog(NULL, prop, self.shapeType)          else:
218              if propDlg.ShowModal() == wxID_OK:              event.Skip()
                 new_prop = propDlg.GetClassGroupProperties()  
                 #prop.SetProperties(new_prop)  
                 self.GetTable().SetValueAsCustom(r, c, None, new_prop)  
             propDlg.Destroy()  
219    
220      #      #
221      # _OnSelectedRange() and _OnSelectedCell() were borrowed      # _OnSelectedRange() and _OnSelectedCell() were borrowed
# Line 263  class ClassGrid(wxGrid): Line 227  class ClassGrid(wxGrid):
227          if event.Selecting():          if event.Selecting():
228              for index in range( event.GetTopRow(), event.GetBottomRow()+1):              for index in range( event.GetTopRow(), event.GetBottomRow()+1):
229                  if index not in self.currentSelection:                  if index not in self.currentSelection:
                     #print "    ", index  
230                      self.currentSelection.append( index )                      self.currentSelection.append( index )
231          else:          else:
232              for index in range( event.GetTopRow(), event.GetBottomRow()+1):              for index in range( event.GetTopRow(), event.GetBottomRow()+1):
233                  while index in self.currentSelection:                  while index in self.currentSelection:
                     #print "    ", index  
234                      self.currentSelection.remove( index )                      self.currentSelection.remove( index )
235          #self.ConfigureForSelection()          #self.ConfigureForSelection()
236    
         #print self.GetCurrentSelection()  
237          event.Skip()          event.Skip()
238    
239      def _OnSelectedCell( self, event ):      def _OnSelectedCell( self, event ):
240          """Internal update to the selection tracking list"""          """Internal update to the selection tracking list"""
         #print "selecting cell: ", event.GetRow()  
241          self.currentSelection = [ event.GetRow() ]          self.currentSelection = [ event.GetRow() ]
242          #self.ConfigureForSelection()          #self.ConfigureForSelection()
243          event.Skip()          event.Skip()
244    
245        def _OnCellResize(self, event):
246            self.FitInside()
247    
248  class ClassTable(wxPyGridTableBase):  class ClassTable(wxPyGridTableBase):
249      """Represents the underlying data structure for the grid."""      """Represents the underlying data structure for the grid."""
250    
251      NUM_COLS = 3      __col_labels = [_("Visible"), _("Symbol"), _("Value"), _("Label")]
   
     __col_labels = [_("Symbol"), _("Value"), _("Label")]  
252    
253    
254      def __init__(self, view = None):      def __init__(self, view = None):
# Line 301  class ClassTable(wxPyGridTableBase): Line 262  class ClassTable(wxPyGridTableBase):
262    
263          wxPyGridTableBase.__init__(self)          wxPyGridTableBase.__init__(self)
264    
265          self.SetView(view)          assert len(ClassTable.__col_labels) == NUM_COLS
266          self.tdata = []  
267            self.clazz = None
268            self.__colAttr = {}
269    
270          #self.Reset(clazz, shapeType)          self.SetView(view)
271    
272      def Reset(self, clazz, shapeType, group = None):      def Reset(self, clazz, shapeType, group = None):
273          """Reset the table with the given data.          """Reset the table with the given data.
# Line 320  class ClassTable(wxPyGridTableBase): Line 283  class ClassTable(wxPyGridTableBase):
283          shapeType -- the type of shape that the layer uses          shapeType -- the type of shape that the layer uses
284          """          """
285    
286          assert(isinstance(clazz, Classification))          assert isinstance(clazz, Classification)
287    
288          self.GetView().BeginBatch()          self.GetView().BeginBatch()
289    
290          self.fieldType = clazz.GetFieldType()          self.fieldType = clazz.GetFieldType()
291          self.shapeType = shapeType          self.shapeType = shapeType
292    
293          old_len = len(self.tdata)          self.SetClassification(clazz, group)
294            self.__Modified(-1)
295    
296          self.tdata = []          self.__colAttr = {}
297    
298          #print "9------------------"          attr = wxGridCellAttr()
299          #          attr.SetEditor(wxGridCellBoolEditor())
300          # copy the data out of the classification and into our          attr.SetRenderer(wxGridCellBoolRenderer())
301          # array          attr.SetAlignment(wxALIGN_CENTER, wxALIGN_CENTER)
302          #          self.__colAttr[COL_VISIBLE] = attr
         row = -1  
         for g in clazz:  
             ng = copy.deepcopy(g)  
             self.__SetRow(-1, ng)  
             if g is group:  
                 row = self.GetNumberRows() - 1  
                 #print "selecting row..."  
303    
304          #print "10------------------"          attr = wxGridCellAttr()
305            attr.SetRenderer(ClassRenderer(self.shapeType))
306          self.__Modified(-1)          attr.SetReadOnly()
307            self.__colAttr[COL_SYMBOL] = attr
308    
309            self.GetView().EndBatch()
310            self.GetView().FitInside()
311    
312        def GetClassification(self):
313            return self.clazz
314    
315        def SetClassification(self, clazz, group = None):
316    
317            self.GetView().BeginBatch()
318    
319            old_len = self.GetNumberRows()
320    
321          self.__NotifyRowChanges(old_len, len(self.tdata))          row = -1
322          #print "11------------------"          self.clazz = clazz
323    
324            self.__NotifyRowChanges(old_len, self.GetNumberRows())
325    
326            #
327            # XXX: this is dead code at the moment
328            #
329          if row > -1:          if row > -1:
330              self.GetView().ClearSelection()              self.GetView().ClearSelection()
331              self.GetView().SelectRow(row)              self.GetView().SelectRow(row)
332              self.GetView().MakeCellVisible(row, 0)              self.GetView().MakeCellVisible(row, 0)
333                
334            self.__Modified()
335    
336    
337          self.GetView().EndBatch()          self.GetView().EndBatch()
338            self.GetView().FitInside()
339    
340      def __NotifyRowChanges(self, curRows, newRows):      def __NotifyRowChanges(self, curRows, newRows):
341          #          #
# Line 372  class ClassTable(wxPyGridTableBase): Line 351  class ClassTable(wxPyGridTableBase):
351          elif newRows < curRows:          elif newRows < curRows:
352              msg = wxGridTableMessage(self,              msg = wxGridTableMessage(self,
353                          wxGRIDTABLE_NOTIFY_ROWS_DELETED,                          wxGRIDTABLE_NOTIFY_ROWS_DELETED,
354                          curRows - newRows,    # position                          curRows,              # position
355                          curRows - newRows)    # how many                          curRows - newRows)    # how many
356              self.GetView().ProcessTableMessage(msg)              self.GetView().ProcessTableMessage(msg)
357              self.GetView().FitInside()              self.GetView().FitInside()
358    
359    
360      def __SetRow(self, row, group):      def __SetRow(self, row, group):
361          """Set a row's data to that of the group.          """Set a row's data to that of the group.
362    
363          The table is considered modified after this operation.          The table is considered modified after this operation.
364    
365          row -- if row is -1 or greater than the current number of rows          row -- if row is < 0 'group' is inserted at the top of the table
366                 then group is appended to the end.                 if row is >= GetNumberRows() or None 'group' is append to
367                        the end of the table.
368                   otherwise 'group' replaces row 'row'
369          """          """
370    
371          # either append or replace          # either append or replace
372          if row == -1 or row >= self.GetNumberRows():          if row is None or row >= self.GetNumberRows():
373              self.tdata.append(group)              self.clazz.AppendGroup(group)
374            elif row < 0:
375                self.clazz.InsertGroup(0, group)
376          else:          else:
377              self.tdata[row] = group              if row == 0:
378                    self.clazz.SetDefaultGroup(group)
379                else:
380                    self.clazz.ReplaceGroup(row - 1, group)
381    
382          self.__Modified()          self.__Modified()
383    
# Line 401  class ClassTable(wxPyGridTableBase): Line 388  class ClassTable(wxPyGridTableBase):
388      def GetRowLabelValue(self, row):      def GetRowLabelValue(self, row):
389          """Return the label for the given row."""          """Return the label for the given row."""
390    
391          group = self.tdata[row]          if row == 0:
392          if isinstance(group, ClassGroupDefault):   return _("Default")              return _("Default")
393          if isinstance(group, ClassGroupSingleton): return _("Singleton")          else:
394          if isinstance(group, ClassGroupRange):     return _("Range")              group = self.clazz.GetGroup(row - 1)
395          if isinstance(group, ClassGroupMap):       return _("Map")              if isinstance(group, ClassGroupDefault):   return _("Default")
396                if isinstance(group, ClassGroupSingleton): return _("Singleton")
397                if isinstance(group, ClassGroupRange):     return _("Range")
398                if isinstance(group, ClassGroupMap):       return _("Map")
399    
400          assert(False) # shouldn't get here          assert False # shouldn't get here
401          return _("")          return ""
402    
403      def GetNumberRows(self):      def GetNumberRows(self):
404          """Return the number of rows."""          """Return the number of rows."""
405          return len(self.tdata)          if self.clazz is None:
406                return 0
407    
408            return self.clazz.GetNumGroups() + 1 # +1 for default group
409    
410      def GetNumberCols(self):      def GetNumberCols(self):
411          """Return the number of columns."""          """Return the number of columns."""
412          return self.NUM_COLS          return NUM_COLS
413    
414      def IsEmptyCell(self, row, col):      def IsEmptyCell(self, row, col):
415          """Determine if a cell is empty. This is always false."""          """Determine if a cell is empty. This is always false."""
# Line 434  class ClassTable(wxPyGridTableBase): Line 427  class ClassTable(wxPyGridTableBase):
427          """          """
428    
429          self.SetValueAsCustom(row, col, None, value)          self.SetValueAsCustom(row, col, None, value)
         self.__Modified()  
430                
431      def GetValueAsCustom(self, row, col, typeName):      def GetValueAsCustom(self, row, col, typeName):
432          """Return the object that is used to represent the given          """Return the object that is used to represent the given
# Line 443  class ClassTable(wxPyGridTableBase): Line 435  class ClassTable(wxPyGridTableBase):
435          typeName -- unused, but needed to overload wxPyGridTableBase          typeName -- unused, but needed to overload wxPyGridTableBase
436          """          """
437    
438          group = self.tdata[row]          if row == 0:
439                group = self.clazz.GetDefaultGroup()
440            else:
441                group = self.clazz.GetGroup(row - 1)
442    
443    
444            if col == COL_VISIBLE:
445                return group.IsVisible()
446    
447          if col == COL_SYMBOL:          if col == COL_SYMBOL:
448              return group.GetProperties()              return group.GetProperties()
# Line 452  class ClassTable(wxPyGridTableBase): Line 451  class ClassTable(wxPyGridTableBase):
451              return group.GetLabel()              return group.GetLabel()
452    
453          # col must be COL_VALUE          # col must be COL_VALUE
454          assert(col == COL_VALUE)          assert col == COL_VALUE
455    
456          if isinstance(group, ClassGroupDefault):          if isinstance(group, ClassGroupDefault):
457              return _("DEFAULT")              return _("DEFAULT")
# Line 476  class ClassTable(wxPyGridTableBase): Line 475  class ClassTable(wxPyGridTableBase):
475    
476          if type == FIELDTYPE_STRING:          if type == FIELDTYPE_STRING:
477              return (value,)              return (value,)
478          elif type == FIELDTYPE_INT or type == FIELDTYPE_DOUBLE:          elif type in (FIELDTYPE_INT, FIELDTYPE_DOUBLE):
479    
480              if type == FIELDTYPE_INT:              if type == FIELDTYPE_INT:
481                  conv = lambda p: int(float(p))                  conv = lambda p: int(float(p))
# Line 501  class ClassTable(wxPyGridTableBase): Line 500  class ClassTable(wxPyGridTableBase):
500    
501                  return (conv(Str2Num(value[:i])), conv(Str2Num(value[i+1:])))                  return (conv(Str2Num(value[:i])), conv(Str2Num(value[i+1:])))
502    
503          assert(False) # shouldn't get here          assert False  # shouldn't get here
504          return (0,)          return (0,)
505                            
506    
# Line 517  class ClassTable(wxPyGridTableBase): Line 516  class ClassTable(wxPyGridTableBase):
516          typeName -- unused, but needed to overload wxPyGridTableBase          typeName -- unused, but needed to overload wxPyGridTableBase
517          """          """
518    
519          assert(col >= 0 and col < self.GetNumberCols())          assert 0 <= col < self.GetNumberCols()
520          assert(row >= 0 and row < self.GetNumberRows())          assert 0 <= row < self.GetNumberRows()
521    
522          group = self.tdata[row]          if row == 0:
523                group = self.clazz.GetDefaultGroup()
524            else:
525                group = self.clazz.GetGroup(row - 1)
526    
527          mod = True # assume the data will change          mod = True # assume the data will change
528    
529          if col == COL_SYMBOL:          if col == COL_VISIBLE:
530                group.SetVisible(value)
531            elif col == COL_SYMBOL:
532              group.SetProperties(value)              group.SetProperties(value)
533          elif col == COL_LABEL:          elif col == COL_LABEL:
534              group.SetLabel(value)              group.SetLabel(value)
# Line 563  class ClassTable(wxPyGridTableBase): Line 567  class ClassTable(wxPyGridTableBase):
567                              changed = True                              changed = True
568                          ngroup.SetRange(dataInfo[0], dataInfo[1])                          ngroup.SetRange(dataInfo[0], dataInfo[1])
569                      else:                      else:
570                          assert(False)                          assert False
571                          pass                          pass
572    
573                      if changed:                      if changed:
574                          ngroup.SetLabel(group.GetLabel())                          ngroup.SetLabel(group.GetLabel())
575                          self.SetClassGroup(row, ngroup)                          self.SetClassGroup(row, ngroup)
576          else:          else:
577              assert(False) # shouldn't be here              assert False # shouldn't be here
578              pass              pass
579    
580          if mod:          if mod:
# Line 580  class ClassTable(wxPyGridTableBase): Line 584  class ClassTable(wxPyGridTableBase):
584      def GetAttr(self, row, col, someExtraParameter):      def GetAttr(self, row, col, someExtraParameter):
585          """Returns the cell attributes"""          """Returns the cell attributes"""
586    
587          attr = wxGridCellAttr()          return self.__colAttr.get(col, wxGridCellAttr()).Clone()
         #attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter)  
   
         if col == COL_SYMBOL:  
             # we need to create a new renderer each time, because  
             # SetRenderer takes control of the parameter  
             attr.SetRenderer(ClassRenderer(self.shapeType))  
             attr.SetReadOnly()  
   
         return attr  
588    
589      def GetClassGroup(self, row):      def GetClassGroup(self, row):
590          """Return the ClassGroup object representing row 'row'."""          """Return the ClassGroup object representing row 'row'."""
591    
592          return self.tdata[row] # self.GetValueAsCustom(row, COL_SYMBOL, None)          #return self.GetValueAsCustom(row, COL_SYMBOL, None)
593            if row == 0:
594                return self.clazz.GetDefaultGroup()
595            else:
596                return self.clazz.GetGroup(row - 1)
597    
598      def SetClassGroup(self, row, group):      def SetClassGroup(self, row, group):
599          self.__SetRow(row, group)          self.__SetRow(row, group)
# Line 625  class ClassTable(wxPyGridTableBase): Line 624  class ClassTable(wxPyGridTableBase):
624          The table is considered modified if any rows are removed.          The table is considered modified if any rows are removed.
625          """          """
626    
627          assert(pos >= 0)          assert pos >= 0
628          old_len = len(self.tdata)          old_len = self.GetNumberRows()
629          for row in range(pos, pos - numRows, -1):          for row in range(pos, pos - numRows, -1):
630              group = self.GetClassGroup(row)              group = self.GetClassGroup(row)
631              if not isinstance(group, ClassGroupDefault):              if row != 0:
632                  self.tdata.pop(row)                  self.clazz.RemoveGroup(row - 1)
633                  self.__Modified()                  self.__Modified()
634            
635          if self.IsModified():          if self.IsModified():
636              self.__NotifyRowChanges(old_len, len(self.tdata))              self.__NotifyRowChanges(old_len, self.GetNumberRows())
637    
638      def AppendRows(self, numRows = 1):      def AppendRows(self, numRows = 1):
639          """Append 'numRows' empty rows to the end of the table.          """Append 'numRows' empty rows to the end of the table.
# Line 642  class ClassTable(wxPyGridTableBase): Line 641  class ClassTable(wxPyGridTableBase):
641          The table is considered modified if any rows are appended.          The table is considered modified if any rows are appended.
642          """          """
643    
644          old_len = len(self.tdata)          old_len = self.GetNumberRows()
645          for i in range(numRows):          for i in range(numRows):
646              np = ClassGroupSingleton()              np = ClassGroupSingleton()
647              self.__SetRow(-1, np)              self.__SetRow(None, np)
648    
649          if self.IsModified():          if self.IsModified():
650              self.__NotifyRowChanges(old_len, len(self.tdata))              self.__NotifyRowChanges(old_len, self.GetNumberRows())
651    
652    
653    ID_PROPERTY_OK = 4001
654    ID_PROPERTY_REVERT = 4002
655    ID_PROPERTY_ADD = 4003
656    ID_PROPERTY_GENCLASS = 4004
657    ID_PROPERTY_REMOVE = 4005
658    ID_PROPERTY_MOVEUP = 4006
659    ID_PROPERTY_MOVEDOWN = 4007
660    ID_PROPERTY_TRY = 4008
661    ID_PROPERTY_EDITSYM = 4009
662    ID_PROPERTY_CLOSE = 4010
663    ID_PROPERTY_SELECT = 4011
664    ID_PROPERTY_TITLE = 4012
665    ID_PROPERTY_FIELDTEXT = 4013
666    
667    BTN_ADD = 0
668    BTN_EDIT = 1
669    BTN_GEN = 2
670    BTN_UP = 3
671    BTN_DOWN = 4
672    BTN_RM = 5
673    
674    EB_LAYER_TITLE = 0
675    EB_SELECT_FIELD = 1
676    EB_GEN_CLASS = 2
677    
678  class Classifier(NonModalDialog):  class Classifier(NonModalDialog):
679    
680        type2string = {None:             _("None"),
681                       FIELDTYPE_STRING: _("Text"),
682                       FIELDTYPE_INT:    _("Integer"),
683                       FIELDTYPE_DOUBLE: _("Decimal")}
684    
685      def __init__(self, parent, name, layer, group = None):      def __init__(self, parent, name, layer, group = None):
686          NonModalDialog.__init__(self, parent, name,          NonModalDialog.__init__(self, parent, name, "")
                                 _("Classifier: %s") % layer.Title())  
687    
688          panel = wxPanel(self, -1, size=(100, 100))          self.__SetTitle(layer.Title())
689    
690          self.layer = layer          self.layer = layer
691    
# Line 665  class Classifier(NonModalDialog): Line 693  class Classifier(NonModalDialog):
693          field = self.originalClass.GetField()          field = self.originalClass.GetField()
694          fieldType = self.originalClass.GetFieldType()          fieldType = self.originalClass.GetFieldType()
695    
696            self.genDlg = None
697    
698          topBox = wxBoxSizer(wxVERTICAL)          topBox = wxBoxSizer(wxVERTICAL)
699    
700            panel = wxPanel(self, -1, size=(100, 100))
701    
702          panelBox = wxBoxSizer(wxVERTICAL)          panelBox = wxBoxSizer(wxVERTICAL)
703    
704          #panelBox.Add(wxStaticText(panel, -1, _("Layer: %s") % layer.Title()),          sizer = wxBoxSizer(wxHORIZONTAL)
705              #0, wxALIGN_LEFT | wxALL, 4)          sizer.Add(wxStaticText(panel, -1, _("Title: ")),
706                0, wxALIGN_LEFT | wxALL | wxALIGN_CENTER_VERTICAL, 4)
707            sizer.Add(wxTextCtrl(panel, ID_PROPERTY_TITLE, layer.Title()),
708                      1, wxGROW | wxALL, 4)
709            EVT_TEXT(self, ID_PROPERTY_TITLE, self._OnTitleChanged)
710    
711            panelBox.Add(sizer, 0, wxGROW, 4)
712    
713          panelBox.Add(wxStaticText(panel, -1,          panelBox.Add(wxStaticText(panel, -1,
714                                  _("Layer Type: %s") % layer.ShapeType()),                                  _("Type: %s") % layer.ShapeType()),
715              0, wxALIGN_LEFT | wxALL, 4)              0, wxALIGN_LEFT | wxALL, 4)
716    
717    
718            #####################
719    
720            #panelBox = wxBoxSizer(wxVERTICAL)
721            classBox = wxStaticBoxSizer(
722                        wxStaticBox(panel, -1, _("Classification")), wxVERTICAL)
723    
724    
725          #          #
726          # make field combo box          # make field choice box
727          #          #
728          self.fields = wxComboBox(panel, ID_PROPERTY_SELECT, "",          self.fields = wxChoice(panel, ID_PROPERTY_SELECT,)
729                                       style = wxCB_READONLY)          #self.fields = wxComboBox(panel, ID_PROPERTY_SELECT, "",
730            #                             style = wxCB_READONLY)
731    
732          self.num_cols = layer.table.field_count()          self.num_cols = layer.table.field_count()
733          # just assume the first field in case one hasn't been          # just assume the first field in case one hasn't been
# Line 687  class Classifier(NonModalDialog): Line 735  class Classifier(NonModalDialog):
735          self.__cur_field = 0          self.__cur_field = 0
736    
737          self.fields.Append("<None>")          self.fields.Append("<None>")
738          self.fields.SetClientData(0, None)  
739            if self.originalClass.GetFieldType() is None:
740                self.fields.SetClientData(0, copy.deepcopy(self.originalClass))
741            else:
742                self.fields.SetClientData(0, None)
743    
744          for i in range(self.num_cols):          for i in range(self.num_cols):
745              type, name, len, decc = layer.table.field_info(i)              type, name, len, decc = layer.table.field_info(i)
# Line 695  class Classifier(NonModalDialog): Line 747  class Classifier(NonModalDialog):
747    
748              if name == field:              if name == field:
749                  self.__cur_field = i + 1                  self.__cur_field = i + 1
750                  self.fields.SetClientData(i + 1, self.originalClass)                  self.fields.SetClientData(i + 1,
751                                              copy.deepcopy(self.originalClass))
752              else:              else:
753                  self.fields.SetClientData(i + 1, None)                  self.fields.SetClientData(i + 1, None)
754    
755    
756          ###########          ###########
757    
         self.fieldTypeText = wxStaticText(panel, -1, "")  
         panelBox.Add(self.fieldTypeText, 0,  
                      wxGROW | wxALIGN_LEFT | wxALL | wxADJUST_MINSIZE, 4)  
758    
759          propertyBox = wxBoxSizer(wxHORIZONTAL)          sizer = wxBoxSizer(wxHORIZONTAL)
760          propertyBox.Add(wxStaticText(panel, -1, _("Field: ")),          sizer.Add(wxStaticText(panel, ID_PROPERTY_FIELDTEXT, _("Field: ")),
761              0, wxALIGN_LEFT | wxALL, 4)              0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)
762          propertyBox.Add(self.fields, 1, wxGROW|wxALL, 4)          sizer.Add(self.fields, 1, wxGROW | wxALL, 4)
763          EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self._OnFieldSelect)          EVT_CHOICE(self, ID_PROPERTY_SELECT, self._OnFieldSelect)
764            #EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self._OnFieldSelect)
765    
766          panelBox.Add(propertyBox, 0, wxGROW, 4)          classBox.Add(sizer, 0, wxGROW, 4)
767    
768            self.fieldTypeText = wxStaticText(panel, -1, "")
769            classBox.Add(self.fieldTypeText, 0,
770                         wxGROW | wxALIGN_LEFT | wxALL | wxADJUST_MINSIZE, 4)
771    
772    
773          #          #
# Line 725  class Classifier(NonModalDialog): Line 780  class Classifier(NonModalDialog):
780          #          #
781          # Control buttons:          # Control buttons:
782          #          #
         self.controlButtons = []  
   
783          controlButtonBox = wxBoxSizer(wxVERTICAL)          controlButtonBox = wxBoxSizer(wxVERTICAL)
784    
785          button = wxButton(panel, ID_CLASSIFY_ADD, _("Add"))          button = wxButton(panel, ID_PROPERTY_GENCLASS, _("Generate Class"))
786            controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
787    
788            button = wxButton(panel, ID_PROPERTY_ADD, _("Add"))
789          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
         self.controlButtons.append(button)  
790    
791          button = wxButton(panel, ID_CLASSIFY_GENRANGE, _("Generate Ranges"))          button = wxButton(panel, ID_PROPERTY_MOVEUP, _("Move Up"))
792          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
         self.controlButtons.append(button)  
793    
794          button = wxButton(panel, ID_CLASSIFY_MOVEUP, _("Move Up"))          button = wxButton(panel, ID_PROPERTY_MOVEDOWN, _("Move Down"))
795          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
         self.controlButtons.append(button)  
796    
797          button = wxButton(panel, ID_CLASSIFY_MOVEDOWN, _("Move Down"))          button = wxButton(panel, ID_PROPERTY_EDITSYM, _("Edit Symbol"))
798          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
         self.controlButtons.append(button)  
799    
800          controlButtonBox.Add(60, 20, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)          controlButtonBox.Add(60, 20, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)
801    
802          button = wxButton(panel, ID_CLASSIFY_REMOVE, _("Remove"))          button = wxButton(panel, ID_PROPERTY_REMOVE, _("Remove"))
803          controlButtonBox.Add(button, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)          controlButtonBox.Add(button, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)
         self.controlButtons.append(button)  
804    
805    
806          ###########          ###########
# Line 757  class Classifier(NonModalDialog): Line 808  class Classifier(NonModalDialog):
808          # Classification data table          # Classification data table
809          #          #
810    
811          self.classGrid = ClassGrid(panel)          self.classGrid = ClassGrid(panel, self)
         #self.__SetGridTable(self.__cur_field, group)  
         #self.fields.SetSelection(self.__cur_field)  
812    
813          # calling __SelectField after creating the classGrid fills in the          # calling __SelectField after creating the classGrid fills in the
814          # grid with the correct information          # grid with the correct information
815          #print "2------------------"          self.fields.SetSelection(self.__cur_field)
816          self.__SelectField(self.__cur_field, group = group)          self.__SelectField(self.__cur_field, group = group)
817    
         #self.classGrid.SelectGroup(group)  
   
818          controlBox.Add(self.classGrid, 1, wxGROW, 0)          controlBox.Add(self.classGrid, 1, wxGROW, 0)
819            controlBox.Add(controlButtonBox, 0, wxGROW, 10)
820    
821            classBox.Add(controlBox, 1, wxGROW, 10)
822            panelBox.Add(classBox, 1, wxGROW, 0)
823    
824            EVT_BUTTON(self, ID_PROPERTY_ADD, self._OnAdd)
825            EVT_BUTTON(self, ID_PROPERTY_EDITSYM, self._OnEditSymbol)
826            EVT_BUTTON(self, ID_PROPERTY_REMOVE, self._OnRemove)
827            EVT_BUTTON(self, ID_PROPERTY_GENCLASS, self._OnGenClass)
828            EVT_BUTTON(self, ID_PROPERTY_MOVEUP, self._OnMoveUp)
829            EVT_BUTTON(self, ID_PROPERTY_MOVEDOWN, self._OnMoveDown)
830    
831            ###########
832    
         controlBox.Add(controlButtonBox, 0, wxGROW, 10)  
         panelBox.Add(controlBox, 1, wxGROW, 10)  
833    
834          EVT_BUTTON(self, ID_CLASSIFY_ADD, self._OnAdd)          panel.SetAutoLayout(True)
835          EVT_BUTTON(self, ID_CLASSIFY_REMOVE, self._OnRemove)          panel.SetSizer(panelBox)
836          EVT_BUTTON(self, ID_CLASSIFY_GENRANGE, self._OnGenRange)          panelBox.SetSizeHints(panel)
837          EVT_BUTTON(self, ID_CLASSIFY_MOVEUP, self._OnMoveUp)  
838          EVT_BUTTON(self, ID_CLASSIFY_MOVEDOWN, self._OnMoveDown)          topBox.Add(panel, 1, wxGROW | wxALL, 4)
839    
840          ###########          ###########
841    
842          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
843          buttonBox.Add(wxButton(panel, ID_CLASSIFY_OK, _("OK")),          buttonBox.Add(wxButton(self, ID_PROPERTY_TRY, _("Try")),
844                          0, wxALL, 4)
845            buttonBox.Add(60, 20, 0, wxALL, 4)
846            buttonBox.Add(wxButton(self, ID_PROPERTY_REVERT, _("Revert")),
847                        0, wxALL, 4)                        0, wxALL, 4)
848          buttonBox.Add(60, 20, 0, wxALL, 4)          buttonBox.Add(60, 20, 0, wxALL, 4)
849          buttonBox.Add(wxButton(panel, ID_CLASSIFY_APPLY, _("Apply")),          buttonBox.Add(wxButton(self, ID_PROPERTY_OK, _("OK")),
850                        0, wxALL, 4)                        0, wxALL, 4)
851          buttonBox.Add(60, 20, 0, wxALL, 4)          buttonBox.Add(60, 20, 0, wxALL, 4)
852          buttonBox.Add(wxButton(panel, ID_CLASSIFY_CANCEL, _("Cancel")),          buttonBox.Add(wxButton(self, ID_PROPERTY_CLOSE, _("Close")),
853                        0, wxALL, 4)                        0, wxALL, 4)
854          panelBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 0)          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 0)
855    
856          EVT_BUTTON(self, ID_CLASSIFY_OK, self._OnOK)          EVT_BUTTON(self, ID_PROPERTY_OK, self._OnOK)
857          EVT_BUTTON(self, ID_CLASSIFY_APPLY, self._OnApply)          EVT_BUTTON(self, ID_PROPERTY_TRY, self._OnTry)
858          EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self._OnCancel)          EVT_BUTTON(self, ID_PROPERTY_CLOSE, self._OnCloseBtn)
859            EVT_BUTTON(self, ID_PROPERTY_REVERT, self._OnRevert)
860    
861          ###########          ###########
862    
863            topBox.SetSizeHints(self)
         panel.SetAutoLayout(True)  
         panel.SetSizer(panelBox)  
         panelBox.SetSizeHints(panel)  
   
         topBox.Add(panel, 1, wxGROW, 0)  
         panelBox.SetSizeHints(self)  
864          self.SetAutoLayout(True)          self.SetAutoLayout(True)
865          self.SetSizer(topBox)          self.SetSizer(topBox)
866    
         #print "1------------------"  
867          #self.Fit()          #self.Fit()
868          ######################          ######################
869    
870          self.haveApplied = False          self.haveApplied = False
871    
872      def __BuildClassification(self, fieldIndex):      def EditSymbol(self, row):
873            table = self.classGrid.GetTable()
874            prop = table.GetValueAsCustom(row, COL_SYMBOL, None)
875    
876          numRows = self.classGrid.GetNumberRows()          # get a new ClassGroupProperties object and copy the
877          assert(numRows > 0) # there should always be a default row          # values over to our current object
878            propDlg = SelectPropertiesDialog(NULL, prop, self.layer.ShapeType())
879    
880            self.Enable(False)
881            if propDlg.ShowModal() == wxID_OK:
882                new_prop = propDlg.GetClassGroupProperties()
883                table.SetValueAsCustom(row, COL_SYMBOL, None, new_prop)
884            self.Enable(True)
885            propDlg.Destroy()
886            
887        def _SetClassification(self, clazz):
888            
889            self.fields.SetClientData(self.__cur_field, clazz)
890            self.classGrid.GetTable().SetClassification(clazz)
891    
892        def __BuildClassification(self, fieldIndex, copyClass = False):
893    
894    #       numRows = self.classGrid.GetNumberRows()
895    #       assert numRows > 0  # there should always be a default row
896    
897          clazz = Classification()  #       clazz = Classification()
898          if fieldIndex == 0:          if fieldIndex == 0:
899              fieldName = None              fieldName = None
900              fieldType = None              fieldType = None
# Line 829  class Classifier(NonModalDialog): Line 902  class Classifier(NonModalDialog):
902              fieldName = self.fields.GetString(fieldIndex)              fieldName = self.fields.GetString(fieldIndex)
903              fieldType = self.layer.GetFieldType(fieldName)              fieldType = self.layer.GetFieldType(fieldName)
904    
905            clazz = self.classGrid.GetTable().GetClassification()
906    
907            if copyClass:
908                clazz = copy.deepcopy(clazz)
909    
910          clazz.SetField(fieldName)          clazz.SetField(fieldName)
911          clazz.SetFieldType(fieldType)          clazz.SetFieldType(fieldType)
912    
913    
914          table = self.classGrid.GetTable()  #       table = self.classGrid.GetTable()
915          clazz.SetDefaultGroup(table.GetClassGroup(0))  #       clazz.SetDefaultGroup(table.GetClassGroup(0))
916    
917          for i in range(1, numRows):  #       for i in range(1, numRows):
918              clazz.AddGroup(table.GetClassGroup(i))  #           clazz.AppendGroup(table.GetClassGroup(i))
919    
920          return clazz          return clazz
921    
# Line 856  class Classifier(NonModalDialog): Line 934  class Classifier(NonModalDialog):
934              fieldType = self.layer.GetFieldType(fieldName)              fieldType = self.layer.GetFieldType(fieldName)
935              clazz.SetFieldType(fieldType)              clazz.SetFieldType(fieldType)
936                                    
         #print "6------------------"  
937          self.classGrid.CreateTable(clazz, self.layer.ShapeType(), group)          self.classGrid.CreateTable(clazz, self.layer.ShapeType(), group)
         #print "7------------------"  
   
   
   
     type2string = {None:             _("None"),  
                    FIELDTYPE_STRING: _("Text"),  
                    FIELDTYPE_INT:    _("Integer"),  
                    FIELDTYPE_DOUBLE: _("Decimal")}  
938    
939      def __SetFieldTypeText(self, fieldIndex):      def __SetFieldTypeText(self, fieldIndex):
940          fieldName = self.fields.GetString(fieldIndex)          fieldName = self.fields.GetString(fieldIndex)
941          fieldType = self.layer.GetFieldType(fieldName)          fieldType = self.layer.GetFieldType(fieldName)
942    
943          assert(Classifier.type2string.has_key(fieldType))          assert Classifier.type2string.has_key(fieldType)
944    
945          text = Classifier.type2string[fieldType]          text = Classifier.type2string[fieldType]
946    
947          self.fieldTypeText.SetLabel(_("Field Type: %s") % text)          self.fieldTypeText.SetLabel(_("Data Type: %s") % text)
948    
949      def __SelectField(self, newIndex, oldIndex = -1, group = None):      def __SelectField(self, newIndex, oldIndex = -1, group = None):
950            """This method assumes that the current selection for the
951            combo has already been set by a call to SetSelection().
952            """
953    
954          #print "3------------------"          assert oldIndex >= -1
   
         assert(oldIndex >= -1)  
   
         self.fields.SetSelection(newIndex)  
955    
956          if oldIndex != -1:          if oldIndex != -1:
957              clazz = self.__BuildClassification(oldIndex)              clazz = self.__BuildClassification(oldIndex)
958              self.fields.SetClientData(oldIndex, clazz)              self.fields.SetClientData(oldIndex, clazz)
959    
         #print "4------------------"  
960          self.__SetGridTable(newIndex, group)          self.__SetGridTable(newIndex, group)
         #print "5------------------"  
961    
962          enabled = newIndex != 0          self.__EnableButtons(EB_SELECT_FIELD, newIndex != 0)
   
         for b in self.controlButtons:  
             b.Enable(enabled)  
963    
964          self.__SetFieldTypeText(newIndex)          self.__SetFieldTypeText(newIndex)
965    
966        def __SetTitle(self, title):
967            if title != "":
968                title = ": " + title
969    
970            self.SetTitle(_("Layer Properties") + title)
971    
972        def _OnEditSymbol(self, event):
973            sel = self.classGrid.GetCurrentSelection()
974    
975            if len(sel) == 1:
976                self.EditSymbol(sel[0])
977    
978      def _OnFieldSelect(self, event):      def _OnFieldSelect(self, event):
979          index = self.fields.GetSelection()          index = self.fields.GetSelection()
980          self.__SelectField(index, self.__cur_field)          self.__SelectField(index, self.__cur_field)
981          self.__cur_field = index          self.__cur_field = index
982    
983      def _OnApply(self, event):      def _OnTry(self, event):
984          """Put the data from the table into a new Classification and hand          """Put the data from the table into a new Classification and hand
985             it to the layer.             it to the layer.
986          """          """
# Line 918  class Classifier(NonModalDialog): Line 992  class Classifier(NonModalDialog):
992          # to begin with or it has been modified          # to begin with or it has been modified
993          #          #
994          if clazz is None or self.classGrid.GetTable().IsModified():          if clazz is None or self.classGrid.GetTable().IsModified():
995              clazz = self.__BuildClassification(self.__cur_field)              clazz = self.__BuildClassification(self.__cur_field, True)
996    
997          self.layer.SetClassification(clazz)          self.layer.SetClassification(clazz)
998    
999          self.haveApplied = True          self.haveApplied = True
1000    
1001      def _OnOK(self, event):      def _OnOK(self, event):
1002          self._OnApply(event)          self._OnTry(event)
1003          self.OnClose(event)          self.Close()
1004    
1005      def _OnCancel(self, event):      def _OnCloseBtn(self, event):
1006            """Close is similar to Cancel except that any changes that were
1007            made and applied remain applied, but the currently displayed
1008            classification is discarded.
1009            """
1010    
1011            self.Close()
1012    
1013        def _OnRevert(self, event):
1014          """The layer's current classification stays the same."""          """The layer's current classification stays the same."""
1015          if self.haveApplied:          if self.haveApplied:
1016              self.layer.SetClassification(self.originalClass)              self.layer.SetClassification(self.originalClass)
1017    
1018          self.OnClose(event)          #self.Close()
1019    
1020      def _OnAdd(self, event):      def _OnAdd(self, event):
1021          self.classGrid.AppendRows()          self.classGrid.AppendRows()
# Line 941  class Classifier(NonModalDialog): Line 1023  class Classifier(NonModalDialog):
1023      def _OnRemove(self, event):      def _OnRemove(self, event):
1024          self.classGrid.DeleteSelectedRows()          self.classGrid.DeleteSelectedRows()
1025    
1026      def _OnGenRange(self, event):      def _OnGenClass(self, event):
1027          print "Classifier._OnGenRange()"  
1028            self.genDlg = ClassGenDialog(self, self.layer,
1029                              self.fields.GetString(self.__cur_field))
1030    
1031            EVT_CLOSE(self.genDlg, self._OnGenDialogClose)
1032    
1033            self.__EnableButtons(EB_GEN_CLASS, False)
1034    
1035            self.genDlg.Show()
1036    
1037        def _OnGenDialogClose(self, event):
1038            self.genDlg.Destroy()
1039            self.__EnableButtons(EB_GEN_CLASS, True)
1040    
1041      def _OnMoveUp(self, event):      def _OnMoveUp(self, event):
1042          sel = self.classGrid.GetCurrentSelection()          sel = self.classGrid.GetCurrentSelection()
1043    
         #print "sel: ", sel  
   
1044          if len(sel) == 1:          if len(sel) == 1:
1045              i = sel[0]              i = sel[0]
1046              if i > 1:              if i > 1:
# Line 976  class Classifier(NonModalDialog): Line 1068  class Classifier(NonModalDialog):
1068                  self.classGrid.SelectRow(i + 1)                  self.classGrid.SelectRow(i + 1)
1069                  self.classGrid.MakeCellVisible(i + 1, 0)                  self.classGrid.MakeCellVisible(i + 1, 0)
1070    
1071        def _OnTitleChanged(self, event):
1072            obj = event.GetEventObject()
1073    
1074            self.layer.SetTitle(obj.GetValue())
1075            self.__SetTitle(self.layer.Title())
1076    
1077            self.__EnableButtons(EB_LAYER_TITLE, self.layer.Title() != "")
1078    
1079        def __EnableButtons(self, case, enable):
1080    
1081            if case == EB_LAYER_TITLE:  
1082                list = (ID_PROPERTY_OK,
1083                        ID_PROPERTY_CLOSE)
1084    
1085            elif case == EB_SELECT_FIELD:
1086                list = (ID_PROPERTY_GENCLASS,
1087                        ID_PROPERTY_ADD,
1088                        ID_PROPERTY_MOVEUP,
1089                        ID_PROPERTY_MOVEDOWN,
1090                        ID_PROPERTY_EDITSYM,
1091                        ID_PROPERTY_REMOVE)
1092    
1093            elif case == EB_GEN_CLASS:
1094                list = (ID_PROPERTY_SELECT,
1095                        ID_PROPERTY_FIELDTEXT,
1096                        ID_PROPERTY_GENCLASS,
1097                        ID_PROPERTY_EDITSYM)
1098    
1099            for id in list:
1100                self.FindWindowById(id).Enable(enable)
1101    
1102  ID_SELPROP_OK = 4001  ID_SELPROP_OK = 4001
1103  ID_SELPROP_CANCEL = 4002  ID_SELPROP_CANCEL = 4002
# Line 1002  class SelectPropertiesDialog(wxDialog): Line 1124  class SelectPropertiesDialog(wxDialog):
1124          previewBox = wxBoxSizer(wxVERTICAL)          previewBox = wxBoxSizer(wxVERTICAL)
1125          previewBox.Add(wxStaticText(self, -1, _("Preview:")),          previewBox.Add(wxStaticText(self, -1, _("Preview:")),
1126              0, wxALIGN_LEFT | wxALL, 4)              0, wxALIGN_LEFT | wxALL, 4)
1127          self.previewWin = ClassDataPreviewWindow(None, self.prop, shapeType,  
1128                                              self, ID_SELPROP_PREVIEW, (40, 40))          self.previewWin = ClassGroupPropertiesCtrl(
1129          previewBox.Add(self.previewWin, 1, wxGROW, 15)              self, ID_SELPROP_PREVIEW, self.prop, shapeType,
1130                (40, 40), wxSIMPLE_BORDER)
1131    
1132            self.previewWin.AllowEdit(False)
1133    
1134            previewBox.Add(self.previewWin, 1, wxGROW | wxALL, 4)
1135    
1136          itemBox.Add(previewBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)          itemBox.Add(previewBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)
1137    
# Line 1086  class SelectPropertiesDialog(wxDialog): Line 1213  class SelectPropertiesDialog(wxDialog):
1213    
1214      def __GetColor(self, cur):      def __GetColor(self, cur):
1215          dialog = wxColourDialog(self)          dialog = wxColourDialog(self)
1216          dialog.GetColourData().SetColour(Color2wxColour(cur))          if cur is not Color.Transparent:
1217                dialog.GetColourData().SetColour(Color2wxColour(cur))
1218    
1219          ret = None          ret = None
1220          if dialog.ShowModal() == wxID_OK:          if dialog.ShowModal() == wxID_OK:
1221              ret = wxColour2Color(dialog.GetColourData().GetColour())              ret = wxColour2Color(dialog.GetColourData().GetColour())
# Line 1102  class SelectPropertiesDialog(wxDialog): Line 1231  class SelectPropertiesDialog(wxDialog):
1231          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1232    
1233      def _OnChangeLineColorTrans(self, event):      def _OnChangeLineColorTrans(self, event):
1234          self.prop.SetLineColor(Color.None)          self.prop.SetLineColor(Color.Transparent)
1235          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1236                    
1237      def _OnChangeFillColor(self, event):      def _OnChangeFillColor(self, event):
# Line 1112  class SelectPropertiesDialog(wxDialog): Line 1241  class SelectPropertiesDialog(wxDialog):
1241          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1242    
1243      def _OnChangeFillColorTrans(self, event):      def _OnChangeFillColorTrans(self, event):
1244          self.prop.SetFill(Color.None)          self.prop.SetFill(Color.Transparent)
1245          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1246    
1247      def GetClassGroupProperties(self):      def GetClassGroupProperties(self):
# Line 1133  class ClassDataPreviewWindow(wxWindow): Line 1262  class ClassDataPreviewWindow(wxWindow):
1262          self.shapeType = shapeType          self.shapeType = shapeType
1263          self.previewer = ClassDataPreviewer()          self.previewer = ClassDataPreviewer()
1264    
1265        def GetProperties():
1266            return self.prop
1267    
1268      def _OnPaint(self, event):      def _OnPaint(self, event):
1269          dc = wxPaintDC(self)          dc = wxPaintDC(self)
1270    
# Line 1151  class ClassDataPreviewer: Line 1283  class ClassDataPreviewer:
1283    
1284      def Draw(self, dc, rect, prop, shapeType):      def Draw(self, dc, rect, prop, shapeType):
1285    
1286          assert(dc is not None)          assert dc is not None
1287          assert(isinstance(prop, ClassGroupProperties))          assert isinstance(prop, ClassGroupProperties)
1288    
1289          if rect is None:          if rect is None:
1290              x = 0              x = 0
# Line 1165  class ClassDataPreviewer: Line 1297  class ClassDataPreviewer:
1297              h = rect.GetHeight()              h = rect.GetHeight()
1298    
1299          stroke = prop.GetLineColor()          stroke = prop.GetLineColor()
1300          if stroke is Color.None:          if stroke is Color.Transparent:
1301              pen = wxTRANSPARENT_PEN              pen = wxTRANSPARENT_PEN
1302          else:          else:
1303              pen = wxPen(Color2wxColour(stroke),              pen = wxPen(Color2wxColour(stroke),
# Line 1173  class ClassDataPreviewer: Line 1305  class ClassDataPreviewer:
1305                          wxSOLID)                          wxSOLID)
1306    
1307          stroke = prop.GetFill()          stroke = prop.GetFill()
1308          if stroke is Color.None:          if stroke is Color.Transparent:
1309              brush = wxTRANSPARENT_BRUSH              brush = wxTRANSPARENT_BRUSH
1310          else:          else:
1311              brush = wxBrush(Color2wxColour(stroke), wxSOLID)              brush = wxBrush(Color2wxColour(stroke), wxSOLID)
# Line 1216  class ClassRenderer(wxPyGridCellRenderer Line 1348  class ClassRenderer(wxPyGridCellRenderer
1348              self.previewer.Draw(dc, rect, data.GetProperties(), self.shapeType)              self.previewer.Draw(dc, rect, data.GetProperties(), self.shapeType)
1349    
1350          if isSelected:          if isSelected:
1351              dc.SetPen(wxPen(wxColour(0 * 255, 0 * 255, 0 * 255),              dc.SetPen(wxPen(wxBLACK, 1, wxSOLID))
                       4, wxSOLID))  
1352              dc.SetBrush(wxTRANSPARENT_BRUSH)              dc.SetBrush(wxTRANSPARENT_BRUSH)
1353    
1354              dc.DrawRectangle(rect.GetX(), rect.GetY(),              dc.DrawRectangle(rect.GetX(), rect.GetY(),
1355                               rect.GetWidth(), rect.GetHeight())                               rect.GetWidth(), rect.GetHeight())
1356    
1357          dc.DestroyClippingRegion()          dc.DestroyClippingRegion()
1358    
1359    
1360    class ClassGroupPropertiesCtrl(wxWindow, wxControl):
1361    
1362        def __init__(self, parent, id, props, shapeType,
1363                     size = wxDefaultSize, style = 0):
1364    
1365            wxWindow.__init__(self, parent, id, size = size, style = style)
1366    
1367            self.SetProperties(props)
1368            self.SetShapeType(shapeType)
1369            self.AllowEdit(True)
1370    
1371            EVT_PAINT(self, self._OnPaint)
1372            EVT_LEFT_DCLICK(self, self._OnLeftDClick)
1373    
1374            self.previewer = ClassDataPreviewer()
1375    
1376        def _OnPaint(self, event):
1377            dc = wxPaintDC(self)
1378    
1379            # XXX: this doesn't seem to be having an effect:
1380            dc.DestroyClippingRegion()
1381    
1382            w, h = self.GetClientSize()
1383    
1384            self.previewer.Draw(dc,
1385                                wxRect(0, 0, w, h),
1386                                self.GetProperties(),
1387                                self.GetShapeType())
1388    
1389    
1390        def GetProperties(self):
1391            return self.props
1392    
1393        def SetProperties(self, props):
1394            self.props = props
1395            self.Refresh()
1396    
1397        def GetShapeType(self):
1398            return self.shapeType
1399    
1400        def SetShapeType(self, shapeType):
1401            self.shapeType = shapeType
1402            self.Refresh()
1403    
1404        def AllowEdit(self, allow):
1405            self.allowEdit = allow
1406    
1407        def DoEdit(self):
1408            if not self.allowEdit: return
1409    
1410            propDlg = SelectPropertiesDialog(NULL,
1411                                             self.GetProperties(),
1412                                             self.GetShapeType())
1413    
1414            if propDlg.ShowModal() == wxID_OK:
1415                new_prop = propDlg.GetClassGroupProperties()
1416                self.SetProperties(new_prop)
1417                self.Refresh()
1418    
1419            propDlg.Destroy()
1420    
1421        def _OnLeftDClick(self, event):
1422            self.DoEdit()
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