/[thuban]/trunk/thuban/Thuban/UI/classifier.py
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revision 451 by jonathan, Tue Mar 4 10:33:56 2003 UTC revision 549 by jonathan, Thu Mar 20 09:45:07 2003 UTC
# Line 1  Line 1 
1  # Copyright (c) 2001 by Intevation GmbH  # Copyright (c) 2001, 2003 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jonathan Coles <[email protected]>  # Jonathan Coles <[email protected]>
4  #  #
# Line 11  __version__ = "$Revision$" Line 11  __version__ = "$Revision$"
11    
12  import copy  import copy
13    
14    from Thuban.Model.table import FIELDTYPE_INT, FIELDTYPE_DOUBLE, \
15         FIELDTYPE_STRING
16    
17  from wxPython.wx import *  from wxPython.wx import *
18  from wxPython.grid import *  from wxPython.grid import *
19    
# Line 22  from Thuban.Model.classification import Line 25  from Thuban.Model.classification import
25    
26  from Thuban.Model.color import Color  from Thuban.Model.color import Color
27    
28  from Thuban.Model.layer import SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT  from Thuban.Model.layer import Layer, SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT
29    
30    from dialogs import NonModalDialog
31    
32    # widget id's
33  ID_PROPERTY_SELECT = 4010  ID_PROPERTY_SELECT = 4010
34  ID_CLASS_TABLE = 40011  ID_CLASS_TABLE = 40011
35    
# Line 32  ID_CLASSIFY_CANCEL = 4002 Line 38  ID_CLASSIFY_CANCEL = 4002
38  ID_CLASSIFY_ADD = 4003  ID_CLASSIFY_ADD = 4003
39  ID_CLASSIFY_GENRANGE = 4004  ID_CLASSIFY_GENRANGE = 4004
40  ID_CLASSIFY_REMOVE = 4005  ID_CLASSIFY_REMOVE = 4005
41    ID_CLASSIFY_MOVEUP = 4006
42    ID_CLASSIFY_MOVEDOWN = 4007
43    ID_CLASSIFY_APPLY = 4008
44    
45  COL_VISUAL = 0  # table columns
46    COL_SYMBOL = 0
47  COL_VALUE  = 1  COL_VALUE  = 1
48  COL_LABEL  = 2  COL_LABEL  = 2
49    
50    # indices into the client data lists in Classifier.fields
51  FIELD_CLASS = 0  FIELD_CLASS = 0
52  FIELD_TYPE = 1  FIELD_TYPE = 1
53  FIELD_NAME = 2  FIELD_NAME = 2
54    
 FIELD_TYPE_STRING = "string"  
 FIELD_TYPE_INT = "int"  
 FIELD_TYPE_DOUBLE = "double"  
   
55  #  #
56  # this is a silly work around to ensure that the table that is  # this is a silly work around to ensure that the table that is
57  # passed into SetTable is the same that is returned by GetTable  # passed into SetTable is the same that is returned by GetTable
# Line 52  FIELD_TYPE_DOUBLE = "double" Line 59  FIELD_TYPE_DOUBLE = "double"
59  import weakref  import weakref
60  class ClassGrid(wxGrid):  class ClassGrid(wxGrid):
61    
62      def __init__(self, parent, layer, fieldData):      def __init__(self, parent):
63          wxGrid.__init__(self, parent, ID_CLASS_TABLE, size = (340, 160))          """Constructor.
64          self.SetSelectionMode(wxGrid.wxGridSelectRows)  
65          self.SetTable(ClassTable(fieldData, layer.ShapeType(), self), true)          parent -- the parent window
66          EVT_GRID_CELL_LEFT_DCLICK(self, self.OnCellDClick)  
67            clazz -- the working classification that this grid should
68                     use for display.
69            """
70    
71            #wxGrid.__init__(self, parent, ID_CLASS_TABLE, size = (340, 160))
72            wxGrid.__init__(self, parent, ID_CLASS_TABLE)
73            #self.SetTable(ClassTable(fieldData, layer.ShapeType(), self), True)
74    
75            EVT_GRID_CELL_LEFT_DCLICK(self, self._OnCellDClick)
76          EVT_GRID_RANGE_SELECT(self, self._OnSelectedRange)          EVT_GRID_RANGE_SELECT(self, self._OnSelectedRange)
77          EVT_GRID_SELECT_CELL(self, self._OnSelectedCell)          EVT_GRID_SELECT_CELL(self, self._OnSelectedCell)
78    
         self.layer = layer  
79          self.currentSelection = []          self.currentSelection = []
80    
81        def CreateTable(self, clazz, shapeType):
82    
83            assert(isinstance(clazz, Classification))
84    
85            self.shapeType = shapeType
86            table = self.GetTable()
87            if table is None:
88                w = self.GetDefaultColSize() * 3 + self.GetDefaultRowLabelSize()
89                h = self.GetDefaultRowSize() * 4 + self.GetDefaultColLabelSize()
90                self.SetDimensions(-1, -1, w, h)
91                self.SetSizeHints(w, h, -1, -1)
92                self.SetTable(ClassTable(clazz, self.shapeType, self), True)
93            else:
94                table.Reset(clazz, self.shapeType)
95    
96            self.SetSelectionMode(wxGrid.wxGridSelectRows)
97            self.ClearSelection()
98    
99      def GetCurrentSelection(self):      def GetCurrentSelection(self):
100            """Return the currently highlighted rows as an increasing list
101               of row numbers."""
102          sel = copy.copy(self.currentSelection)          sel = copy.copy(self.currentSelection)
103          sel.sort()          sel.sort()
104          return sel          return sel
# Line 72  class ClassGrid(wxGrid): Line 106  class ClassGrid(wxGrid):
106      def SetCellRenderer(self, row, col):      def SetCellRenderer(self, row, col):
107          raise ValueError(_("Must not allow setting of renderer in ClassGrid!"))          raise ValueError(_("Must not allow setting of renderer in ClassGrid!"))
108    
109        #
110        # [Set|Get]Table is taken from http://wiki.wxpython.org
111        # they are needed as a work around to ensure that the table
112        # that is passed to SetTable is the one that is returned
113        # by GetTable.
114        #
115      def SetTable(self, object, *attributes):      def SetTable(self, object, *attributes):
116          self.tableRef = weakref.ref(object)          self.tableRef = weakref.ref(object)
117          return wxGrid.SetTable(self, object, *attributes)          return wxGrid.SetTable(self, object, *attributes)
118    
119      def GetTable(self):      def GetTable(self):
120          return self.tableRef()          try:
121                return self.tableRef()
122            except:
123                return None
124    
125      def DeleteSelectedRows(self):      def DeleteSelectedRows(self):
126            """Deletes all highlighted rows.
127      
128            If only one row is highlighted then after it is deleted the
129            row that was below the deleted row is highlighted."""
130    
131          sel = self.GetCurrentSelection()          sel = self.GetCurrentSelection()
132    
133          if len(sel) == 0: return          # nothing to do
134            if len(sel) == 0: return
135    
136            # if only one thing is selected check if it is the default
137            # data row, because we can't remove that
138          if len(sel) == 1:          if len(sel) == 1:
139              group = self.GetTable().GetValueAsCustom(sel[0], COL_VISUAL, None)              #group = self.GetTable().GetValueAsCustom(sel[0], COL_SYMBOL, None)
140                group = self.GetTable().GetClassGroup(sel[0])
141              if isinstance(group, ClassGroupDefault):              if isinstance(group, ClassGroupDefault):
142                  wxMessageDialog(self,                  wxMessageDialog(self,
143                                  "The Default group cannot be removed.",                                  "The Default group cannot be removed.",
144                                  style = wxOK | wxICON_EXCLAMATION).ShowModal()                                  style = wxOK | wxICON_EXCLAMATION).ShowModal()
145                  return                  return
146                    
147    
148          self.ClearSelection()          self.ClearSelection()
149    
150            # we need to remove things from the bottom up so we don't
151            # change the indexes of rows that will be deleted next
152          sel.reverse()          sel.reverse()
153    
154            #
155            # actually remove the rows
156            #
157          table = self.GetTable()          table = self.GetTable()
158          for row in sel:          for row in sel:
159              table.DeleteRows(row)              table.DeleteRows(row)
160    
161            #
162            # if there was only one row selected highlight the row
163            # that was directly below it, or move up one if the
164            # deleted row was the last row.
165            #
166          if len(sel) == 1:          if len(sel) == 1:
167              r = sel[0]              r = sel[0]
168              if r > self.GetNumberRows() - 1:              if r > self.GetNumberRows() - 1:
# Line 115  class ClassGrid(wxGrid): Line 180  class ClassGrid(wxGrid):
180  #                                  (row, row), (row, row),  #                                  (row, row), (row, row),
181  #                                  sel = False))  #                                  sel = False))
182    
183      def OnCellDClick(self, event):      def _OnCellDClick(self, event):
184            """Handle a double on a cell."""
185    
186          r = event.GetRow()          r = event.GetRow()
187          c = event.GetCol()          c = event.GetCol()
188          if c == COL_VISUAL:          if c == COL_SYMBOL:
189              # XXX: getting the properties is only possible with non-Maps!!!              prop = self.GetTable().GetValueAsCustom(r, c, None)
190              group = self.GetTable().GetValueAsCustom(r, c, None)              #prop = group.GetProperties()
191              prop = group.GetProperties()  
192              propDlg = SelectPropertiesDialog(NULL, prop, self.layer.ShapeType())              # get a new ClassGroupProperties object and copy the
193                # values over to our current object
194                propDlg = SelectPropertiesDialog(NULL, prop, self.shapeType)
195              if propDlg.ShowModal() == wxID_OK:              if propDlg.ShowModal() == wxID_OK:
196                  new_prop = propDlg.GetClassGroupProperties()                  new_prop = propDlg.GetClassGroupProperties()
197                  prop.SetStroke(new_prop.GetStroke())                  #prop.SetProperties(new_prop)
198                  prop.SetStrokeWidth(new_prop.GetStrokeWidth())                  self.GetTable().SetValueAsCustom(r, c, None, new_prop)
                 prop.SetFill(new_prop.GetFill())  
                 self.Refresh()  
199              propDlg.Destroy()              propDlg.Destroy()
200    
201      #      #
202      # _OnSelectedRange() and _OnSelectedCell() were borrowed      # _OnSelectedRange() and _OnSelectedCell() were borrowed
203      # from http://wiki.wxpython.org      # from http://wiki.wxpython.org to keep track of which
204        # cells are currently highlighted
205      #      #
206      def _OnSelectedRange(self, event):      def _OnSelectedRange(self, event):
207          """Internal update to the selection tracking list"""          """Internal update to the selection tracking list"""
# Line 156  class ClassGrid(wxGrid): Line 224  class ClassGrid(wxGrid):
224          event.Skip()          event.Skip()
225    
226  class ClassTable(wxPyGridTableBase):  class ClassTable(wxPyGridTableBase):
227        """Represents the underlying data structure for the grid."""
228    
229      NUM_COLS = 3      NUM_COLS = 3
230    
231      __col_labels = [_("Symbol"), _("Value"), _("Label")]      __col_labels = [_("Symbol"), _("Value"), _("Label")]
232    
233      def __init__(self, fieldData, shapeType, view = None):      def __init__(self, clazz, shapeType, view = None):
234            """Constructor.
235    
236            shapeType -- the type of shape that the layer uses
237    
238            view -- a wxGrid object that uses this class for its table
239            """
240    
241          wxPyGridTableBase.__init__(self)          wxPyGridTableBase.__init__(self)
242    
243          self.SetView(view)          self.SetView(view)
244          self.tdata = []          self.tdata = []
245    
246          self.Reset(fieldData, shapeType)          self.Reset(clazz, shapeType)
247    
248        def Reset(self, clazz, shapeType):
249            """Reset the table with the given data.
250    
251      def Reset(self, fieldData, shapeType):          This is necessary because wxWindows does not allow a grid's
252            table to change once it has been intially set and so we
253            need a way of modifying the data.
254    
255            clazz -- the working classification that this table should
256                     use for display. This may be different from the
257                     classification in the layer.
258    
259            shapeType -- the type of shape that the layer uses
260            """
261    
262            assert(isinstance(clazz, Classification))
263    
264          self.GetView().BeginBatch()          self.GetView().BeginBatch()
265    
266          self.fieldData = fieldData          self.fieldType = clazz.GetFieldType()
267          self.shapeType = shapeType          self.shapeType = shapeType
         self.renderer = ClassRenderer(self.shapeType)  
268    
269          old_len = len(self.tdata)          old_len = len(self.tdata)
270    
271          self.tdata = []          self.tdata = []
272    
273          clazz = fieldData[FIELD_CLASS]          #
274          if clazz is None:          # copy the data out of the classification and into our
275              clazz = Classification()          # array
276            #
 #       p = clazz.GetDefaultGroup()  
 #       np = ClassDataDefault(classData = p)  
 #       self.tdata.append([np, 'DEFAULT', np.GetLabel()])  
   
 #       for p in clazz.points.values():  
 #           np = ClassDataPoint(p.GetValue(), classData = p)  
 #           self.tdata.append([np, np.GetValue(), np.GetLabel()])  
   
 #       for p in clazz.ranges:  
 #           np = ClassDataRange(p.GetMin(), p.GetMax(), classData = p)  
 #           self.tdata.append([np,  
 #                              '%s - %s' % (np.GetMin(), np.GetMax()),  
 #                              np.GetLabel()])  
   
         i = 0  
277          for p in clazz:          for p in clazz:
278              np = copy.copy(p)              np = copy.deepcopy(p)
279              self.__SetRow(i, np)              self.__SetRow(-1, np)
             i += 1  
280    
281    
282          self.modified = 0          self.__Modified(-1)
283    
284          self.__NotifyRowChanges(old_len, len(self.tdata))          self.__NotifyRowChanges(old_len, len(self.tdata))
285    
286                
287          self.GetView().EndBatch()          self.GetView().EndBatch()
288    
289      def __NotifyRowChanges(self, curRows, newRows):      def __NotifyRowChanges(self, curRows, newRows):
# Line 220  class ClassTable(wxPyGridTableBase): Line 296  class ClassTable(wxPyGridTableBase):
296                          wxGRIDTABLE_NOTIFY_ROWS_APPENDED,                          wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
297                          newRows - curRows)    # how many                          newRows - curRows)    # how many
298              self.GetView().ProcessTableMessage(msg)              self.GetView().ProcessTableMessage(msg)
299                self.GetView().FitInside()
300          elif newRows < curRows:          elif newRows < curRows:
301              msg = wxGridTableMessage(self,              msg = wxGridTableMessage(self,
302                          wxGRIDTABLE_NOTIFY_ROWS_DELETED,                          wxGRIDTABLE_NOTIFY_ROWS_DELETED,
303                          curRows - newRows,    # position                          curRows - newRows,    # position
304                          curRows - newRows)    # how many                          curRows - newRows)    # how many
305              self.GetView().ProcessTableMessage(msg)              self.GetView().ProcessTableMessage(msg)
306                self.GetView().FitInside()
307    
308      def __SetRow(self, row, group):      def __SetRow(self, row, group):
309            """Set a row's data to that of the group.
310    
311          if isinstance(group, ClassGroupDefault):          The table is considered modified after this operation.
312              data = [group, _('DEFAULT'), group.GetLabel()]  
313          elif isinstance(group, ClassGroupSingleton):          row -- if row is -1 or greater than the current number of rows
314              data = [group, group.GetValue(), group.GetLabel()]                 then group is appended to the end.
315          elif isinstance(group, ClassGroupRange):          """
             data = [group,  
                     _('%s - %s') % (group.GetMin(), group.GetMax()),  
                     group.GetLabel()]  
316    
317          if row >= len(self.tdata):          # either append or replace
318              self.tdata.append(data)          if row == -1 or row >= self.GetNumberRows():
319                self.tdata.append(group)
320          else:          else:
321              self.tdata[row] = data              self.tdata[row] = group
322    
323            self.__Modified()
324    
325      def GetColLabelValue(self, col):      def GetColLabelValue(self, col):
326            """Return the label for the given column."""
327          return self.__col_labels[col]          return self.__col_labels[col]
328    
329      def GetRowLabelValue(self, row):      def GetRowLabelValue(self, row):
330          data = self.tdata[row][COL_VISUAL]          """Return the label for the given row."""
331          if isinstance(data, ClassGroupDefault):   return _("Default")  
332          if isinstance(data, ClassGroupSingleton): return _("Singleton")          group = self.tdata[row]
333          if isinstance(data, ClassGroupRange):     return _("Range")          if isinstance(group, ClassGroupDefault):   return _("Default")
334          if isinstance(data, ClassGroupMap):       return _("Map")          if isinstance(group, ClassGroupSingleton): return _("Singleton")
335            if isinstance(group, ClassGroupRange):     return _("Range")
336            if isinstance(group, ClassGroupMap):       return _("Map")
337    
338            assert(False) # shouldn't get here
339            return _("")
340    
341      def GetNumberRows(self):      def GetNumberRows(self):
342            """Return the number of rows."""
343          return len(self.tdata)          return len(self.tdata)
344    
345      def GetNumberCols(self):      def GetNumberCols(self):
346            """Return the number of columns."""
347          return self.NUM_COLS          return self.NUM_COLS
348    
349      def IsEmptyCell(self, row, col):      def IsEmptyCell(self, row, col):
350          return 0          """Determine if a cell is empty. This is always false."""
351            return False
352    
353      def GetValue(self, row, col):      def GetValue(self, row, col):
354          return self.GetValueAsCustom(row, col, "")          """Return the object that is used to represent the given
355               cell coordinates. This may not be a string."""
356            return self.GetValueAsCustom(row, col, None)
357    
358      def SetValue(self, row, col, value):      def SetValue(self, row, col, value):
359          self.SetValueAsCustom(row, col, "", value)          """Assign 'value' to the cell specified by 'row' and 'col'.
360    
361            The table is considered modified after this operation.
362            """
363    
364            self.SetValueAsCustom(row, col, None, value)
365          self.__Modified()          self.__Modified()
366                
367      def GetValueAsCustom(self, row, col, typeName):      def GetValueAsCustom(self, row, col, typeName):
368          return self.tdata[row][col]          """Return the object that is used to represent the given
369               cell coordinates. This may not be a string.
370    
371            typeName -- unused, but needed to overload wxPyGridTableBase
372            """
373    
374            group = self.tdata[row]
375    
376            if col == COL_SYMBOL:
377                return group.GetProperties()
378    
379            if col == COL_LABEL:
380                return group.GetLabel()
381    
382            # col must be COL_VALUE
383            assert(col == COL_VALUE)
384    
385            if isinstance(group, ClassGroupDefault):
386                return _("DEFAULT")
387            elif isinstance(group, ClassGroupSingleton):
388                return group.GetValue()
389            elif isinstance(group, ClassGroupRange):
390                return _("%s - %s") % (group.GetMin(), group.GetMax())
391    
392            assert(False) # shouldn't get here
393            return None
394    
395      def __ParseInput(self, value):      def __ParseInput(self, value):
396          """Try to determine what kind of input value is          """Try to determine what kind of input value is
397             (a single number or a range)             (string, number, or range)
398    
399            Returns a tuple of length one if there is a single
400            value, or of length two if it is a range.
401          """          """
402    
403          type = self.fieldData[FIELD_TYPE]          type = self.fieldType
404    
405          if type == FIELD_TYPE_STRING:          if type == FIELDTYPE_STRING:
406              return (value,)              return (value,)
407          elif type == FIELD_TYPE_INT or type == FIELD_TYPE_DOUBLE:          elif type == FIELDTYPE_INT or type == FIELDTYPE_DOUBLE:
408    
409                if type == FIELDTYPE_INT:
410                    conv = lambda p: int(float(p))
411                else:
412                    conv = lambda p: p
413    
414              #              #
415              # first try to take the input as a single number              # first try to take the input as a single number
# Line 294  class ClassTable(wxPyGridTableBase): Line 421  class ClassTable(wxPyGridTableBase):
421              # function.              # function.
422              #              #
423              try:              try:
424                  return (Str2Num(value),)                  return (conv(Str2Num(value)),)
425              except:              except ValueError:
426                  i = value.find('-')                  i = value.find('-')
427                  if i == 0:                  if i == 0:
428                      i = value.find('-', 1)                      i = value.find('-', 1)
429    
430                  return (Str2Num(value[:i]), Str2Num(value[i+1:]))                  return (conv(Str2Num(value[:i])), conv(Str2Num(value[i+1:])))
431    
432            assert(False) # shouldn't get here
433            return (0,)
434                            
435    
436      def SetValueAsCustom(self, row, col, typeName, value):      def SetValueAsCustom(self, row, col, typeName, value):
437          group = self.tdata[row][COL_VISUAL]          """Set the cell specified by 'row' and 'col' to 'value'.
438    
439            If column represents the value column, the input is parsed
440            to determine if a string, number, or range was entered.
441            A new ClassGroup may be created if the type of data changes.
442    
443            The table is considered modified after this operation.
444    
445            typeName -- unused, but needed to overload wxPyGridTableBase
446            """
447    
448            assert(col >= 0 and col < self.GetNumberCols())
449            assert(row >= 0 and row < self.GetNumberRows())
450    
451            group = self.tdata[row]
452    
453          if col == COL_VISUAL:          mod = True # assume the data will change
454              self.tdata[row][COL_VISUAL] = value  
455            if col == COL_SYMBOL:
456                group.SetProperties(value)
457            elif col == COL_LABEL:
458                group.SetLabel(value)
459          elif col == COL_VALUE:          elif col == COL_VALUE:
460              if isinstance(group, ClassGroupDefault):              if isinstance(group, ClassGroupDefault):
461                  # not allowed to modify the default value                  # not allowed to modify the default value
# Line 318  class ClassTable(wxPyGridTableBase): Line 466  class ClassTable(wxPyGridTableBase):
466              else: # SINGLETON, RANGE              else: # SINGLETON, RANGE
467                  try:                  try:
468                      dataInfo = self.__ParseInput(value)                      dataInfo = self.__ParseInput(value)
469                  except:                  except ValueError:
470                      # bad input, ignore the request                      # bad input, ignore the request
471                      pass                      mod = False
472                  else:                  else:
473    
474                        changed = False
475                      ngroup = group                      ngroup = group
476                      props = group.GetProperties()                      props = group.GetProperties()
477    
478                        #
479                        # try to update the values, which may include
480                        # changing the underlying group type if the
481                        # group was a singleton and a range was entered
482                        #
483                      if len(dataInfo) == 1:                      if len(dataInfo) == 1:
484                          if not isinstance(group, ClassGroupSingleton):                          if not isinstance(group, ClassGroupSingleton):
485                              ngroup = ClassGroupSingleton(prop = props)                              ngroup = ClassGroupSingleton(prop = props)
486                                changed = True
487                          ngroup.SetValue(dataInfo[0])                          ngroup.SetValue(dataInfo[0])
488                      elif len(dataInfo) == 2:                      elif len(dataInfo) == 2:
489                          if not isinstance(group, ClassGroupRange):                          if not isinstance(group, ClassGroupRange):
490                              ngroup = ClassGroupRange(prop = props)                              ngroup = ClassGroupRange(prop = props)
491                                changed = True
492                          ngroup.SetRange(dataInfo[0], dataInfo[1])                          ngroup.SetRange(dataInfo[0], dataInfo[1])
493                      else:                      else:
494                          assert(False)                          assert(False)
495                            pass
496    
497                      ngroup.SetLabel(group.GetLabel())                      if changed:
498                      self.__SetRow(row, ngroup)                          ngroup.SetLabel(group.GetLabel())
499                            self.SetClassGroup(row, ngroup)
                     self.GetView().Refresh()  
   
         elif col == COL_LABEL:  
             group.SetLabel(value)  
             self.tdata[row][COL_LABEL] = group.GetLabel()  
500          else:          else:
501              raise ValueError(_("Invalid column request"))              assert(False) # shouldn't be here
502                pass
503    
504          self.__Modified()          if mod:
505                self.__Modified()
506                self.GetView().Refresh()
507    
508      def GetAttr(self, row, col, someExtraParameter):      def GetAttr(self, row, col, someExtraParameter):
509            """Returns the cell attributes"""
510    
511          attr = wxGridCellAttr()          attr = wxGridCellAttr()
512          #attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter)          #attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter)
513    
514          if col == COL_VISUAL:          if col == COL_SYMBOL:
515                # we need to create a new renderer each time, because
516                # SetRenderer takes control of the parameter
517              attr.SetRenderer(ClassRenderer(self.shapeType))              attr.SetRenderer(ClassRenderer(self.shapeType))
518              attr.SetReadOnly()              attr.SetReadOnly()
519    
520          return attr          return attr
521    
522      def GetClassGroup(self, row):      def GetClassGroup(self, row):
523          return self.tdata[row][COL_VISUAL]          """Return the ClassGroup object representing row 'row'."""
524    
525      def __Modified(self):          return self.tdata[row] # self.GetValueAsCustom(row, COL_SYMBOL, None)
526          self.modified = 1  
527        def SetClassGroup(self, row, group):
528            self.__SetRow(row, group)
529            self.GetView().Refresh()
530    
531        def __Modified(self, mod = True):
532            """Adjust the modified flag.
533    
534            mod -- if -1 set the modified flag to False, otherwise perform
535                   an 'or' operation with the current value of the flag and
536                   'mod'
537            """
538    
539            if mod == -1:
540                self.modified = False
541            else:
542                self.modified = mod or self.modified
543    
544      def IsModified(self):      def IsModified(self):
545            """True if this table is considered modified."""
546          return self.modified          return self.modified
547    
548      def DeleteRows(self, pos, numRows = 1):      def DeleteRows(self, pos, numRows = 1):
549            """Deletes 'numRows' beginning at row 'pos'.
550    
551            The row representing the default group is not removed.
552    
553            The table is considered modified if any rows are removed.
554            """
555    
556          assert(pos >= 0)          assert(pos >= 0)
557          old_len = len(self.tdata)          old_len = len(self.tdata)
558          for row in range(pos, pos - numRows, -1):          for row in range(pos, pos - numRows, -1):
559              group = self.GetValueAsCustom(row, COL_VISUAL, None)              group = self.GetClassGroup(row)
560              if not isinstance(group, ClassGroupDefault):              if not isinstance(group, ClassGroupDefault):
561                  self.tdata.pop(row)                  self.tdata.pop(row)
562                  self.__Modified()                  self.__Modified()
# Line 381  class ClassTable(wxPyGridTableBase): Line 565  class ClassTable(wxPyGridTableBase):
565              self.__NotifyRowChanges(old_len, len(self.tdata))              self.__NotifyRowChanges(old_len, len(self.tdata))
566    
567      def AppendRows(self, numRows = 1):      def AppendRows(self, numRows = 1):
568            """Append 'numRows' empty rows to the end of the table.
569    
570            The table is considered modified if any rows are appended.
571            """
572    
573          old_len = len(self.tdata)          old_len = len(self.tdata)
574          for i in range(numRows):          for i in range(numRows):
575              np = ClassGroupSingleton()              np = ClassGroupSingleton()
576              self.tdata.append([np, np.GetValue(), np.GetLabel()])              self.__SetRow(-1, np)
             self.__Modified()  
577    
578          if self.IsModified():          if self.IsModified():
579              self.__NotifyRowChanges(old_len, len(self.tdata))              self.__NotifyRowChanges(old_len, len(self.tdata))
580    
581    
582  class Classifier(wxDialog):  class Classifier(NonModalDialog):
583        
584      def __init__(self, parent, layer):      def __init__(self, parent, name, layer):
585          wxDialog.__init__(self, parent, -1, _("Classify"),          NonModalDialog.__init__(self, parent, name,
586                            style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)                                  _("Classifier: %s") % layer.Title())
587    
588            panel = wxPanel(self, -1, size=(100, 100))
589    
590          self.layer = layer          self.layer = layer
591    
592            self.originalClass = self.layer.GetClassification()
593            field = self.originalClass.GetField()
594            fieldType = self.originalClass.GetFieldType()
595    
596          topBox = wxBoxSizer(wxVERTICAL)          topBox = wxBoxSizer(wxVERTICAL)
597            panelBox = wxBoxSizer(wxVERTICAL)
598    
599          topBox.Add(wxStaticText(self, -1, _("Layer: %s") % layer.Title()),          #panelBox.Add(wxStaticText(panel, -1, _("Layer: %s") % layer.Title()),
600              0, wxALIGN_LEFT | wxALL, 4)              #0, wxALIGN_LEFT | wxALL, 4)
601          topBox.Add(wxStaticText(self, -1, _("Type: %s") % layer.ShapeType()),          panelBox.Add(wxStaticText(panel, -1,
602                                    _("Layer Type: %s") % layer.ShapeType()),
603              0, wxALIGN_LEFT | wxALL, 4)              0, wxALIGN_LEFT | wxALL, 4)
604    
         propertyBox = wxBoxSizer(wxHORIZONTAL)  
         propertyBox.Add(wxStaticText(self, -1, _("Field: ")),  
             0, wxALIGN_CENTER | wxALL, 4)  
605    
606          self.fields = wxComboBox(self, ID_PROPERTY_SELECT, "",          #
607            # make field combo box
608            #
609            self.fields = wxComboBox(panel, ID_PROPERTY_SELECT, "",
610                                       style = wxCB_READONLY)                                       style = wxCB_READONLY)
611    
612          self.num_cols = layer.table.field_count()          self.num_cols = layer.table.field_count()
613          # just assume the first field in case one hasn't been          # just assume the first field in case one hasn't been
614          # specified in the file.          # specified in the file.
615          self.__cur_field = 0          self.__cur_field = 0
616          clazz = layer.GetClassification()  
617          field = clazz.GetField()          self.fields.Append("<None>")
618            self.fields.SetClientData(0, None)
619    
620          for i in range(self.num_cols):          for i in range(self.num_cols):
621              type, name, len, decc = layer.table.field_info(i)              type, name, len, decc = layer.table.field_info(i)
622              self.fields.Append(name)              self.fields.Append(name)
623    
624              if name == field:              if name == field:
625                  self.__cur_field = i                  self.__cur_field = i + 1
626                  self.fields.SetClientData(i, [clazz, type, name, len, decc])                  self.fields.SetClientData(i + 1, self.originalClass)
627              else:              else:
628                  self.fields.SetClientData(i, [None, type, name, len, decc])                  self.fields.SetClientData(i + 1, None)
629    
         self.fields.SetSelection(self.__cur_field)  
630    
631            ###########
632    
633            self.fieldTypeText = wxStaticText(panel, -1, "")
634            panelBox.Add(self.fieldTypeText, 0, wxGROW | wxALIGN_LEFT | wxALL, 4)
635    
636            propertyBox = wxBoxSizer(wxHORIZONTAL)
637            propertyBox.Add(wxStaticText(panel, -1, _("Field: ")),
638                0, wxALIGN_LEFT | wxALL, 4)
639          propertyBox.Add(self.fields, 1, wxGROW|wxALL, 4)          propertyBox.Add(self.fields, 1, wxGROW|wxALL, 4)
640          EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self.OnFieldSelect)          EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self._OnFieldSelect)
641    
642          topBox.Add(propertyBox, 0, wxGROW, 4)          panelBox.Add(propertyBox, 0, wxGROW, 4)
643    
644            ###########
645          #          #
646          # Classification data table          # Classification data table
647          #          #
648    
649          controlBox = wxBoxSizer(wxHORIZONTAL)          controlBox = wxBoxSizer(wxHORIZONTAL)
650          self.classGrid = ClassGrid(self,  
651                                     layer,          self.classGrid = ClassGrid(panel)
652                                     self.fields.GetClientData(self.__cur_field))          self.__SetGridTable(self.__cur_field)
653    
654          controlBox.Add(self.classGrid, 1, wxGROW, 0)          controlBox.Add(self.classGrid, 1, wxGROW, 0)
655    
656            ###########
657            #
658            # Control buttons:
659            #
660            self.controlButtons = []
661    
662          controlButtonBox = wxBoxSizer(wxVERTICAL)          controlButtonBox = wxBoxSizer(wxVERTICAL)
         controlButtonBox.Add(wxButton(self, ID_CLASSIFY_ADD,  
             _("Add")), 0, wxGROW | wxALL, 4)  
         controlButtonBox.Add(wxButton(self, ID_CLASSIFY_GENRANGE,  
             _("Generate Ranges")), 0, wxGROW | wxALL, 4)  
663    
664          controlButtonBox.Add(wxButton(self, ID_CLASSIFY_REMOVE,          button = wxButton(panel, ID_CLASSIFY_ADD, _("Add"))
665              _("Remove")), 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
666            self.controlButtons.append(button)
667    
668            #button = wxButton(panel, ID_CLASSIFY_GENRANGE, _("Generate Ranges"))
669            #controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
670            #self.controlButtons.append(button)
671    
672            button = wxButton(panel, ID_CLASSIFY_MOVEUP, _("Move Up"))
673            controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
674            self.controlButtons.append(button)
675    
676            button = wxButton(panel, ID_CLASSIFY_MOVEDOWN, _("Move Down"))
677            controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
678            self.controlButtons.append(button)
679    
680            controlButtonBox.Add(60, 20, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)
681    
682            button = wxButton(panel, ID_CLASSIFY_REMOVE, _("Remove"))
683            controlButtonBox.Add(button, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)
684            self.controlButtons.append(button)
685    
686          controlBox.Add(controlButtonBox, 0, wxGROW, 10)          controlBox.Add(controlButtonBox, 0, wxGROW, 10)
687          topBox.Add(controlBox, 1, wxGROW, 10)          panelBox.Add(controlBox, 1, wxGROW, 10)
688    
689          EVT_BUTTON(self, ID_CLASSIFY_ADD, self.OnAdd)          EVT_BUTTON(self, ID_CLASSIFY_ADD, self._OnAdd)
690          EVT_BUTTON(self, ID_CLASSIFY_REMOVE, self.OnRemove)          EVT_BUTTON(self, ID_CLASSIFY_REMOVE, self._OnRemove)
691          EVT_BUTTON(self, ID_CLASSIFY_GENRANGE, self.OnGenRange)          EVT_BUTTON(self, ID_CLASSIFY_GENRANGE, self._OnGenRange)
692            EVT_BUTTON(self, ID_CLASSIFY_MOVEUP, self._OnMoveUp)
693            EVT_BUTTON(self, ID_CLASSIFY_MOVEDOWN, self._OnMoveDown)
694    
695            ###########
696    
         #  
         # Control buttons:  
         #  
697          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
698          buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")),          buttonBox.Add(wxButton(panel, ID_CLASSIFY_OK, _("OK")),
699                        0, wxALL, 4)                        0, wxALL, 4)
700          buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")),          buttonBox.Add(60, 20, 0, wxALL, 4)
701            buttonBox.Add(wxButton(panel, ID_CLASSIFY_APPLY, _("Apply")),
702                        0, wxALL, 4)                        0, wxALL, 4)
703          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)          buttonBox.Add(60, 20, 0, wxALL, 4)
704            buttonBox.Add(wxButton(panel, ID_CLASSIFY_CANCEL, _("Cancel")),
705                          0, wxALL, 4)
706            panelBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 0)
707    
708          EVT_BUTTON(self, ID_CLASSIFY_OK, self.OnOK)          EVT_BUTTON(self, ID_CLASSIFY_OK, self._OnOK)
709          EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self.OnCancel)          EVT_BUTTON(self, ID_CLASSIFY_APPLY, self._OnApply)
710            EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self._OnCancel)
711    
712            ###########
713    
714            self.fields.SetSelection(self.__cur_field)
715            self.__SelectField(self.__cur_field)
716    
717          self.SetAutoLayout(true)          panel.SetAutoLayout(True)
718            panel.SetSizer(panelBox)
719            panelBox.SetSizeHints(panel)
720    
721            topBox.Add(panel, 1, wxGROW, 0)
722            panelBox.SetSizeHints(self)
723            self.SetAutoLayout(True)
724          self.SetSizer(topBox)          self.SetSizer(topBox)
         topBox.Fit(self)  
         topBox.SetSizeHints(self)  
725    
726      def __BuildClassification(self, prop):          ######################
727    
728          clazz = Classification()          self.haveApplied = False
729          clazz.SetField(self.fields.GetString(prop))  
730        def __BuildClassification(self, fieldIndex):
731    
732          numRows = self.classGrid.GetNumberRows()          numRows = self.classGrid.GetNumberRows()
733            assert(numRows > 0) # there should always be a default row
734    
735            clazz = Classification()
736            if fieldIndex == 0:
737                fieldName = None
738                fieldType = None
739            else:
740                fieldName = self.fields.GetString(fieldIndex)
741                fieldType = self.layer.GetFieldType(fieldName)
742    
743            clazz.SetField(fieldName)
744            clazz.SetFieldType(fieldType)
745    
         if numRows > 0:  
             table = self.classGrid.GetTable()  
             clazz.SetDefaultGroup(table.GetClassGroup(0))  
746    
747              for i in range(1, numRows):          table = self.classGrid.GetTable()
748                  clazz.AddGroup(table.GetClassGroup(i))          clazz.SetDefaultGroup(table.GetClassGroup(0))
749    
750            for i in range(1, numRows):
751                clazz.AddGroup(table.GetClassGroup(i))
752    
753          return clazz          return clazz
754    
755      def OnFieldSelect(self, event):      def __SetGridTable(self, fieldIndex):
756          data = self.fields.GetClientData(self.__cur_field)  
757          data[FIELD_CLASS] = self.__BuildClassification(self.__cur_field)          clazz = self.fields.GetClientData(fieldIndex)
758    
759            if clazz is None:
760                clazz = Classification()
761                clazz.SetDefaultGroup(
762                    ClassGroupDefault(
763                        self.layer.GetClassification().
764                                   GetDefaultGroup().GetProperties()))
765    
766                fieldName = self.fields.GetString(fieldIndex)
767                fieldType = self.layer.GetFieldType(fieldName)
768                clazz.SetFieldType(fieldType)
769                    
770            self.classGrid.CreateTable(clazz, self.layer.ShapeType())
771    
772    
773    
774        type2string = {None:             _("None"),
775                       FIELDTYPE_STRING: _("Text"),
776                       FIELDTYPE_INT:    _("Integer"),
777                       FIELDTYPE_DOUBLE: _("Decimal")}
778    
779          self.fields.SetClientData(self.__cur_field, data)      def __SetFieldTypeText(self, fieldIndex):
780            fieldName = self.fields.GetString(fieldIndex)
781            fieldType = self.layer.GetFieldType(fieldName)
782    
783          self.__cur_field = self.fields.GetSelection()          assert(Classifier.type2string.has_key(fieldType))
784          fieldData = self.fields.GetClientData(self.__cur_field)  
785          self.classGrid.GetTable().Reset(fieldData, self.layer.ShapeType())          text = Classifier.type2string[fieldType]
786    
787            self.fieldTypeText.SetLabel(_("Field Type: %s") % text)
788    
789        def __SelectField(self, newIndex, oldIndex = -1):
790    
791            assert(oldIndex >= -1)
792    
793            if oldIndex != -1:
794                clazz = self.__BuildClassification(oldIndex)
795                self.fields.SetClientData(oldIndex, clazz)
796    
797            self.__SetGridTable(newIndex)
798    
799            enabled = newIndex != 0
800    
801            for b in self.controlButtons:
802                b.Enable(enabled)
803    
804            self.__SetFieldTypeText(newIndex)
805    
806    
807        def _OnFieldSelect(self, event):
808            index = self.fields.GetSelection()
809            self.__SelectField(index, self.__cur_field)
810            self.__cur_field = index
811    
812      def OnOK(self, event):      def _OnApply(self, event):
813          """Put the data from the table into a new Classification and hand          """Put the data from the table into a new Classification and hand
814             it to the layer.             it to the layer.
815          """          """
816    
817          clazz = self.fields.GetClientData(self.__cur_field)[FIELD_CLASS]          clazz = self.fields.GetClientData(self.__cur_field)
818    
819          #          #
820          # only build the classification if there wasn't one to          # only build the classification if there wasn't one to
# Line 524  class Classifier(wxDialog): Line 823  class Classifier(wxDialog):
823          if clazz is None or self.classGrid.GetTable().IsModified():          if clazz is None or self.classGrid.GetTable().IsModified():
824              clazz = self.__BuildClassification(self.__cur_field)              clazz = self.__BuildClassification(self.__cur_field)
825    
         clazz.SetLayer(self.layer)  
   
826          self.layer.SetClassification(clazz)          self.layer.SetClassification(clazz)
827    
828          self.EndModal(wxID_OK)          self.haveApplied = True
829    
830      def OnCancel(self, event):      def _OnOK(self, event):
831          """Do nothing. The layer's current classification stays the same."""          self._OnApply(event)
832          self.EndModal(wxID_CANCEL)          self.OnClose(event)
833    
834      def OnAdd(self, event):      def _OnCancel(self, event):
835            """The layer's current classification stays the same."""
836            if self.haveApplied:
837                self.layer.SetClassification(self.originalClass)
838    
839            self.OnClose(event)
840    
841        def _OnAdd(self, event):
842          self.classGrid.AppendRows()          self.classGrid.AppendRows()
843    
844      def OnRemove(self, event):      def _OnRemove(self, event):
845          self.classGrid.DeleteSelectedRows()          self.classGrid.DeleteSelectedRows()
846    
847      def OnGenRange(self, event):      def _OnGenRange(self, event):
848          print "Classifier.OnGenRange()"          print "Classifier._OnGenRange()"
849    
850        def _OnMoveUp(self, event):
851            sel = self.classGrid.GetCurrentSelection()
852    
853            if len(sel) == 1:
854                i = sel[0]
855                if i > 1:
856                    table = self.classGrid.GetTable()
857                    x = table.GetClassGroup(i - 1)
858                    y = table.GetClassGroup(i)
859                    table.SetClassGroup(i - 1, y)
860                    table.SetClassGroup(i, x)
861                    self.classGrid.ClearSelection()
862                    self.classGrid.SelectRow(i - 1)
863    
864        def _OnMoveDown(self, event):
865            sel = self.classGrid.GetCurrentSelection()
866    
867            if len(sel) == 1:
868                i = sel[0]
869                table = self.classGrid.GetTable()
870                if 0 < i < table.GetNumberRows() - 1:
871                    x = table.GetClassGroup(i)
872                    y = table.GetClassGroup(i + 1)
873                    table.SetClassGroup(i, y)
874                    table.SetClassGroup(i + 1, x)
875                    self.classGrid.ClearSelection()
876                    self.classGrid.SelectRow(i + 1)
877    
878    
879  ID_SELPROP_OK = 4001  ID_SELPROP_OK = 4001
# Line 550  ID_SELPROP_SPINCTRL = 4002 Line 882  ID_SELPROP_SPINCTRL = 4002
882  ID_SELPROP_PREVIEW = 4003  ID_SELPROP_PREVIEW = 4003
883  ID_SELPROP_STROKECLR = 4004  ID_SELPROP_STROKECLR = 4004
884  ID_SELPROP_FILLCLR = 4005  ID_SELPROP_FILLCLR = 4005
885    ID_SELPROP_STROKECLRTRANS = 4006
886    ID_SELPROP_FILLCLRTRANS = 4007
887    
888  class SelectPropertiesDialog(wxDialog):  class SelectPropertiesDialog(wxDialog):
889    
890      def __init__(self, parent, prop, shapeType):      def __init__(self, parent, prop, shapeType):
891          wxDialog.__init__(self, parent, -1, _("Select Properties"),          wxDialog.__init__(self, parent, -1, _("Select Properties"),
892                            style = wxRESIZE_BORDER)                            style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
893    
894          self.prop = ClassGroupProperties(prop)          self.prop = ClassGroupProperties(prop)
895    
# Line 567  class SelectPropertiesDialog(wxDialog): Line 901  class SelectPropertiesDialog(wxDialog):
901          previewBox = wxBoxSizer(wxVERTICAL)          previewBox = wxBoxSizer(wxVERTICAL)
902          previewBox.Add(wxStaticText(self, -1, _("Preview:")),          previewBox.Add(wxStaticText(self, -1, _("Preview:")),
903              0, wxALIGN_LEFT | wxALL, 4)              0, wxALIGN_LEFT | wxALL, 4)
904          self.previewer = ClassDataPreviewer(None, self.prop, shapeType,          self.previewWin = ClassDataPreviewWindow(None, self.prop, shapeType,
905                                              self, ID_SELPROP_PREVIEW, (40, 40))                                              self, ID_SELPROP_PREVIEW, (40, 40))
906          previewBox.Add(self.previewer, 1, wxGROW, 15)          previewBox.Add(self.previewWin, 1, wxGROW, 15)
907    
908          itemBox.Add(previewBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)          itemBox.Add(previewBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)
909    
910          # control box          # control box
911          ctrlBox = wxBoxSizer(wxVERTICAL)          ctrlBox = wxBoxSizer(wxVERTICAL)
912          ctrlBox.Add(  
913              wxButton(self, ID_SELPROP_STROKECLR, "Change Stroke Color"),          lineColorBox = wxBoxSizer(wxHORIZONTAL)
914              1, wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4)          lineColorBox.Add(
915          EVT_BUTTON(self, ID_SELPROP_STROKECLR, self.OnChangeStrokeColor)              wxButton(self, ID_SELPROP_STROKECLR, _("Change Line Color")),
916                1, wxALL | wxGROW, 4)
917            EVT_BUTTON(self, ID_SELPROP_STROKECLR, self._OnChangeLineColor)
918    
919            lineColorBox.Add(
920                wxButton(self, ID_SELPROP_STROKECLRTRANS, _("Transparent")),
921                1, wxALL | wxGROW, 4)
922            EVT_BUTTON(self, ID_SELPROP_STROKECLRTRANS,
923                       self._OnChangeLineColorTrans)
924    
925            ctrlBox.Add(lineColorBox, 0,
926                        wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4)
927    
928          if shapeType != SHAPETYPE_ARC:          if shapeType != SHAPETYPE_ARC:
929              ctrlBox.Add(              fillColorBox = wxBoxSizer(wxHORIZONTAL)
930                  wxButton(self, ID_SELPROP_FILLCLR, "Change Fill Color"),              fillColorBox.Add(
931                  0, wxALIGN_LEFT | wxALL | wxGROW, 4)                  wxButton(self, ID_SELPROP_FILLCLR, _("Change Fill Color")),
932              EVT_BUTTON(self, ID_SELPROP_FILLCLR, self.OnChangeFillColor)                  1, wxALL | wxGROW, 4)
933                EVT_BUTTON(self, ID_SELPROP_FILLCLR, self._OnChangeFillColor)
934                fillColorBox.Add(
935                    wxButton(self, ID_SELPROP_FILLCLRTRANS, _("Transparent")),
936                    1, wxALL | wxGROW, 4)
937                EVT_BUTTON(self, ID_SELPROP_FILLCLRTRANS,
938                           self._OnChangeFillColorTrans)
939                ctrlBox.Add(fillColorBox, 0,
940                            wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4)
941    
942          spinBox = wxBoxSizer(wxHORIZONTAL)          spinBox = wxBoxSizer(wxHORIZONTAL)
943          spinBox.Add(wxStaticText(self, -1, _("Stroke Width: ")),          spinBox.Add(wxStaticText(self, -1, _("Line Width: ")),
944                  0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)                  0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)
945          self.spinCtrl = wxSpinCtrl(self, ID_SELPROP_SPINCTRL,          self.spinCtrl = wxSpinCtrl(self, ID_SELPROP_SPINCTRL,
946                                     min=1, max=10,                                     min=1, max=10,
947                                     value=str(prop.GetStrokeWidth()),                                     value=str(prop.GetLineWidth()),
948                                     initial=prop.GetStrokeWidth())                                     initial=prop.GetLineWidth())
949    
950          EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL, self.OnSpin)          EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL, self._OnSpin)
951    
952          spinBox.Add(self.spinCtrl, 0, wxALIGN_LEFT | wxALL, 4)          spinBox.Add(self.spinCtrl, 0, wxALIGN_LEFT | wxALL, 4)
953    
# Line 602  class SelectPropertiesDialog(wxDialog): Line 955  class SelectPropertiesDialog(wxDialog):
955          itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0)          itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0)
956          topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)          topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)
957    
   
958          #          #
959          # Control buttons:          # Control buttons:
960          #          #
961          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
962          buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")),          buttonBox.Add(wxButton(self, ID_SELPROP_OK, _("OK")),
963                        0, wxALL, 4)                        0, wxALL, 4)
964          buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")),          buttonBox.Add(wxButton(self, ID_SELPROP_CANCEL, _("Cancel")),
965                        0, wxALL, 4)                        0, wxALL, 4)
966          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)
967                                                                                                                                                                    
968          EVT_BUTTON(self, ID_SELPROP_OK, self.OnOK)          EVT_BUTTON(self, ID_SELPROP_OK, self._OnOK)
969          EVT_BUTTON(self, ID_SELPROP_CANCEL, self.OnCancel)          EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel)
970                                                                                                                                                                    
971          self.SetAutoLayout(true)          self.SetAutoLayout(True)
972          self.SetSizer(topBox)          self.SetSizer(topBox)
973          topBox.Fit(self)          topBox.Fit(self)
974          topBox.SetSizeHints(self)          topBox.SetSizeHints(self)
975    
976      def OnOK(self, event):      def _OnOK(self, event):
977          self.EndModal(wxID_OK)          self.EndModal(wxID_OK)
978    
979      def OnCancel(self, event):      def _OnCancel(self, event):
980          self.EndModal(wxID_CANCEL)          self.EndModal(wxID_CANCEL)
981    
982      def OnSpin(self, event):      def _OnSpin(self, event):
983          self.prop.SetStrokeWidth(self.spinCtrl.GetValue())          self.prop.SetLineWidth(self.spinCtrl.GetValue())
984          self.previewer.Refresh()          self.previewWin.Refresh()
985    
986      def __GetColor(self, cur):      def __GetColor(self, cur):
987          dialog = wxColourDialog(self)          dialog = wxColourDialog(self)
# Line 642  class SelectPropertiesDialog(wxDialog): Line 994  class SelectPropertiesDialog(wxDialog):
994    
995          return ret          return ret
996                    
997      def OnChangeStrokeColor(self, event):      def _OnChangeLineColor(self, event):
998          clr = self.__GetColor(self.prop.GetStroke())          clr = self.__GetColor(self.prop.GetLineColor())
999          if clr is not None:          if clr is not None:
1000              self.prop.SetStroke(clr)              self.prop.SetLineColor(clr)
1001          self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1002    
1003      def OnChangeFillColor(self, event):      def _OnChangeLineColorTrans(self, event):
1004            self.prop.SetLineColor(Color.None)
1005            self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1006            
1007        def _OnChangeFillColor(self, event):
1008          clr = self.__GetColor(self.prop.GetFill())          clr = self.__GetColor(self.prop.GetFill())
1009          if clr is not None:          if clr is not None:
1010              self.prop.SetFill(clr)              self.prop.SetFill(clr)
1011          self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1012    
1013        def _OnChangeFillColorTrans(self, event):
1014            self.prop.SetFill(Color.None)
1015            self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1016    
1017      def GetClassGroupProperties(self):      def GetClassGroupProperties(self):
1018          return self.prop          return self.prop
1019    
1020    
1021  class ClassDataPreviewer(wxWindow):  class ClassDataPreviewWindow(wxWindow):
1022    
1023      def __init__(self, rect, prop, shapeType,      def __init__(self, rect, prop, shapeType,
1024                         parent = None, id = -1, size = wxDefaultSize):                         parent = None, id = -1, size = wxDefaultSize):
1025          if parent is not None:          if parent is not None:
1026              wxWindow.__init__(self, parent, id, size=size)              wxWindow.__init__(self, parent, id, (0, 0), size)
1027              EVT_PAINT(self, self.OnPaint)              EVT_PAINT(self, self._OnPaint)
1028    
1029          self.rect = rect          self.rect = rect
1030    
1031          self.prop = prop          self.prop = prop
1032          self.shapeType = shapeType          self.shapeType = shapeType
1033            self.previewer = ClassDataPreviewer()
1034    
1035      def OnPaint(self, event):      def _OnPaint(self, event):
1036          dc = wxPaintDC(self)          dc = wxPaintDC(self)
1037    
1038          # XXX: this doesn't seem to be having an effect:          # XXX: this doesn't seem to be having an effect:
1039          dc.DestroyClippingRegion()          dc.DestroyClippingRegion()
1040    
1041          self.Draw(dc, None)          if self.rect is None:
1042                w, h = self.GetSize()
1043                rect = wxRect(0, 0, w, h)
1044            else:
1045                rect = self.rect
1046    
1047            self.previewer.Draw(dc, rect, self.prop, self.shapeType)
1048    
1049      def Draw(self, dc, rect, prop = None, shapeType = None):  class ClassDataPreviewer:
1050    
1051          if prop is None: prop = self.prop      def Draw(self, dc, rect, prop, shapeType):
1052          if shapeType is None: shapeType = self.shapeType  
1053            assert(dc is not None)
1054            assert(isinstance(prop, ClassGroupProperties))
1055    
1056          if rect is None:          if rect is None:
1057              x = y = 0              x = 0
1058              w, h = self.GetClientSizeTuple()              y = 0
1059                w, h = dc.GetSize()
1060          else:          else:
1061              x = rect.GetX()              x = rect.GetX()
1062              y = rect.GetY()              y = rect.GetY()
1063              w = rect.GetWidth()              w = rect.GetWidth()
1064              h = rect.GetHeight()              h = rect.GetHeight()
1065    
1066          stroke = prop.GetStroke()          stroke = prop.GetLineColor()
1067          if stroke is Color.None:          if stroke is Color.None:
1068              pen = wxTRANSPARENT_PEN              pen = wxTRANSPARENT_PEN
1069          else:          else:
1070              pen = wxPen(Color2wxColour(stroke),              pen = wxPen(Color2wxColour(stroke),
1071                          prop.GetStrokeWidth(),                          prop.GetLineWidth(),
1072                          wxSOLID)                          wxSOLID)
1073    
1074          stroke = prop.GetFill()          stroke = prop.GetFill()
# Line 719  class ClassDataPreviewer(wxWindow): Line 1090  class ClassDataPreviewer(wxWindow):
1090               shapeType == SHAPETYPE_POLYGON:               shapeType == SHAPETYPE_POLYGON:
1091    
1092              dc.DrawCircle(x + w/2, y + h/2,              dc.DrawCircle(x + w/2, y + h/2,
1093                            (min(w, h) - prop.GetStrokeWidth())/2)                            (min(w, h) - prop.GetLineWidth())/2)
1094    
1095  class ClassRenderer(wxPyGridCellRenderer):  class ClassRenderer(wxPyGridCellRenderer):
1096    
1097      def __init__(self, shapeType):      def __init__(self, shapeType):
1098          wxPyGridCellRenderer.__init__(self)          wxPyGridCellRenderer.__init__(self)
1099          self.previewer = ClassDataPreviewer(None, None, shapeType)          self.shapeType = shapeType
1100            self.previewer = ClassDataPreviewer()
1101    
1102      def Draw(self, grid, attr, dc, rect, row, col, isSelected):      def Draw(self, grid, attr, dc, rect, row, col, isSelected):
1103          data = grid.GetTable().GetValueAsCustom(row, col, None)          data = grid.GetTable().GetClassGroup(row)
1104    
1105          dc.SetClippingRegion(rect.GetX(), rect.GetY(),          dc.SetClippingRegion(rect.GetX(), rect.GetY(),
1106                               rect.GetWidth(), rect.GetHeight())                               rect.GetWidth(), rect.GetHeight())
# Line 738  class ClassRenderer(wxPyGridCellRenderer Line 1110  class ClassRenderer(wxPyGridCellRenderer
1110                           rect.GetWidth(), rect.GetHeight())                           rect.GetWidth(), rect.GetHeight())
1111    
1112          if not isinstance(data, ClassGroupMap):          if not isinstance(data, ClassGroupMap):
1113              self.previewer.Draw(dc, rect, data.GetProperties())              self.previewer.Draw(dc, rect, data.GetProperties(), self.shapeType)
1114    
1115          if isSelected:          if isSelected:
1116              dc.SetPen(wxPen(wxColour(0 * 255, 0 * 255, 0 * 255),              dc.SetPen(wxPen(wxColour(0 * 255, 0 * 255, 0 * 255),
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