/[thuban]/trunk/thuban/Thuban/UI/classifier.py
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revision 441 by jonathan, Thu Feb 27 15:55:00 2003 UTC revision 506 by jonathan, Mon Mar 10 15:49:22 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 18  from Thuban import _ Line 21  from Thuban import _
21  from Thuban.common import *  from Thuban.common import *
22  from Thuban.UI.common import *  from Thuban.UI.common import *
23    
24  from Thuban.Model.classification import * #Classification, ClassData  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 31  ID_CLASSIFY_OK = 4001 Line 37  ID_CLASSIFY_OK = 4001
37  ID_CLASSIFY_CANCEL = 4002  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
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
52    FIELD_TYPE = 1
53    FIELD_NAME = 2
54    
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 43  COL_LABEL  = 2 Line 59  COL_LABEL  = 2
59  import weakref  import weakref
60  class ClassGrid(wxGrid):  class ClassGrid(wxGrid):
61    
62      def __init__(self, parent, layer):      def __init__(self, parent):
63          wxGrid.__init__(self, parent, ID_CLASS_TABLE, size = (300, 150))          """Constructor.
64          self.SetTable(  
65              ClassTable(layer.GetClassification(), layer.ShapeType(), self),          parent -- the parent window
66              true)  
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)
77            EVT_GRID_SELECT_CELL(self, self._OnSelectedCell)
78    
79            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):
100            """Return the currently highlighted rows as an increasing list
101               of row numbers."""
102            sel = copy.copy(self.currentSelection)
103            sel.sort()
104            return sel
105    
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):
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()
132    
133            # 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:
139                #group = self.GetTable().GetValueAsCustom(sel[0], COL_SYMBOL, None)
140                group = self.GetTable().GetClassGroup(sel[0])
141                if isinstance(group, ClassGroupDefault):
142                    wxMessageDialog(self,
143                                    "The Default group cannot be removed.",
144                                    style = wxOK | wxICON_EXCLAMATION).ShowModal()
145                    return
146            
147    
148            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()
153    
154            #
155            # actually remove the rows
156            #
157            table = self.GetTable()
158            for row in sel:
159                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:
167                r = sel[0]
168                if r > self.GetNumberRows() - 1:
169                    r = self.GetNumberRows() - 1
170                self.SelectRow(r)
171            
172    #
173    # XXX: This isn't working, and there is no way to deselect rows wxPython!
174    #
175    #   def DeselectRow(self, row):
176    #       self.ProcessEvent(
177    #           wxGridRangeSelectEvent(-1,
178    #                                  wxEVT_GRID_RANGE_SELECT,
179    #                                  self,
180    #                                  (row, row), (row, row),
181    #                                  sel = False))
182    
183        def _OnCellDClick(self, event):
184            """Handle a double on a cell."""
185    
186            r = event.GetRow()
187            c = event.GetCol()
188            if c == COL_SYMBOL:
189                prop = self.GetTable().GetValueAsCustom(r, c, None)
190                #prop = group.GetProperties()
191    
192                # 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:
196                    new_prop = propDlg.GetClassGroupProperties()
197                    #prop.SetProperties(new_prop)
198                    self.GetTable().SetValueAsCustom(r, c, None, new_prop)
199                propDlg.Destroy()
200    
201        #
202        # _OnSelectedRange() and _OnSelectedCell() were borrowed
203        # from http://wiki.wxpython.org to keep track of which
204        # cells are currently highlighted
205        #
206        def _OnSelectedRange(self, event):
207            """Internal update to the selection tracking list"""
208            if event.Selecting():
209                for index in range( event.GetTopRow(), event.GetBottomRow()+1):
210                    if index not in self.currentSelection:
211                        self.currentSelection.append( index )
212            else:
213                for index in range( event.GetTopRow(), event.GetBottomRow()+1):
214                    while index in self.currentSelection:
215                        self.currentSelection.remove( index )
216            #self.ConfigureForSelection()
217    
218            event.Skip()
219    
220        def _OnSelectedCell( self, event ):
221            """Internal update to the selection tracking list"""
222            self.currentSelection = [ event.GetRow() ]
223            #self.ConfigureForSelection()
224            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 = [_("Visual"), _("Value"), _("Label")]      __col_labels = [_("Symbol"), _("Value"), _("Label")]
232    
233      def __init__(self, clazz, 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(clazz, shapeType)          self.Reset(clazz, shapeType)
247    
248      def Reset(self, clazz, shapeType):      def Reset(self, clazz, shapeType):
249            """Reset the table with the given data.
250    
251            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.fieldType = clazz.GetFieldType()
267          self.shapeType = shapeType          self.shapeType = shapeType
         self.renderer = ClassRenderer(self.shapeType)  
268    
269          old_tdata = self.tdata          old_len = len(self.tdata)
270    
271          self.tdata = []          self.tdata = []
272    
273          if clazz is None:          #
274              clazz = Classification()          # copy the data out of the classification and into our
275            # 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))
285    
286                
287            self.GetView().EndBatch()
288    
289        def __NotifyRowChanges(self, curRows, newRows):
290          #          #
291          # silly message processing for updates to the number of          # silly message processing for updates to the number of
292          # rows and columns          # rows and columns
293          #          #
         curRows = len(old_tdata)  
         newRows = len(self.tdata)  
294          if newRows > curRows:          if newRows > curRows:
295              msg = wxGridTableMessage(self,              msg = wxGridTableMessage(self,
296                          wxGRIDTABLE_NOTIFY_ROWS_APPENDED,                          wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
# Line 128  class ClassTable(wxPyGridTableBase): Line 303  class ClassTable(wxPyGridTableBase):
303                          curRows - newRows)    # how many                          curRows - newRows)    # how many
304              self.GetView().ProcessTableMessage(msg)              self.GetView().ProcessTableMessage(msg)
305    
         self.GetView().EndBatch()  
   
306      def __SetRow(self, row, group):      def __SetRow(self, row, group):
307            """Set a row's data to that of the group.
308    
309          if isinstance(group, ClassGroupDefault):          The table is considered modified after this operation.
             data = [group, 'DEFAULT', group.GetLabel()]  
         elif isinstance(group, ClassGroupSingleton):  
             data = [group, group.GetValue(), group.GetLabel()]  
         elif isinstance(group, ClassGroupRange):  
             data = [group,  
                     '%s - %s' % (group.GetMin(), group.GetMax()),  
                     group.GetLabel()]  
310    
311          if row >= len(self.tdata):          row -- if row is -1 or greater than the current number of rows
312              self.tdata.append(data)                 then group is appended to the end.
313            """
314    
315            # either append or replace
316            if row == -1 or row >= self.GetNumberRows():
317                self.tdata.append(group)
318          else:          else:
319              self.tdata[row] = data              self.tdata[row] = group
320    
321            self.__Modified()
322    
323      def GetColLabelValue(self, col):      def GetColLabelValue(self, col):
324            """Return the label for the given column."""
325          return self.__col_labels[col]          return self.__col_labels[col]
326    
327      def GetRowLabelValue(self, row):      def GetRowLabelValue(self, row):
328          data = self.tdata[row][COL_VISUAL]          """Return the label for the given row."""
329          if isinstance(data, ClassGroupDefault): return _("Default")  
330          if isinstance(data, ClassGroupSingleton): return _("Singleton")          group = self.tdata[row]
331          if isinstance(data, ClassGroupRange): return _("Range")          if isinstance(group, ClassGroupDefault):   return _("Default")
332          if isinstance(data, ClassGroupMap): return _("Map")          if isinstance(group, ClassGroupSingleton): return _("Singleton")
333            if isinstance(group, ClassGroupRange):     return _("Range")
334            if isinstance(group, ClassGroupMap):       return _("Map")
335    
336            assert(False) # shouldn't get here
337            return _("")
338    
339      def GetNumberRows(self):      def GetNumberRows(self):
340            """Return the number of rows."""
341          return len(self.tdata)          return len(self.tdata)
342    
343      def GetNumberCols(self):      def GetNumberCols(self):
344            """Return the number of columns."""
345          return self.NUM_COLS          return self.NUM_COLS
346    
347      def IsEmptyCell(self, row, col):      def IsEmptyCell(self, row, col):
348          return 0          """Determine if a cell is empty. This is always false."""
349            return False
350    
351      def GetValue(self, row, col):      def GetValue(self, row, col):
352          return self.GetValueAsCustom(row, col, "")          """Return the object that is used to represent the given
353               cell coordinates. This may not be a string."""
354            return self.GetValueAsCustom(row, col, None)
355    
356      def SetValue(self, row, col, value):      def SetValue(self, row, col, value):
357          self.SetValueAsCustom(row, col, "", value)          """Assign 'value' to the cell specified by 'row' and 'col'.
358    
359            The table is considered modified after this operation.
360            """
361    
362            self.SetValueAsCustom(row, col, None, value)
363          self.__Modified()          self.__Modified()
364                
365      def GetValueAsCustom(self, row, col, typeName):      def GetValueAsCustom(self, row, col, typeName):
366          return self.tdata[row][col]          """Return the object that is used to represent the given
367               cell coordinates. This may not be a string.
368    
369            typeName -- unused, but needed to overload wxPyGridTableBase
370            """
371    
372            group = self.tdata[row]
373    
374            if col == COL_SYMBOL:
375                return group.GetProperties()
376    
377            if col == COL_LABEL:
378                return group.GetLabel()
379    
380            # col must be COL_VALUE
381            assert(col == COL_VALUE)
382    
383            if isinstance(group, ClassGroupDefault):
384                return _("DEFAULT")
385            elif isinstance(group, ClassGroupSingleton):
386                return group.GetValue()
387            elif isinstance(group, ClassGroupRange):
388                return _("%s - %s") % (group.GetMin(), group.GetMax())
389    
390            assert(False) # shouldn't get here
391            return None
392    
393      def __ParseInput(self, value):      def __ParseInput(self, value):
394          """Try to determine what kind of input value is          """Try to determine what kind of input value is
395             (a single number or a range)             (string, number, or range)
396    
397            Returns a tuple of length one if there is a single
398            value, or of length two if it is a range.
399          """          """
400    
401          #          type = self.fieldType
         # first try to take the input as a single number  
         # if there's an exception try to break it into  
         # a range seperated by a '-'. take care to ignore  
         # a leading '-' as that could be for a negative number.  
         # then try to parse the individual parts. if there  
         # is an exception here, let it pass up to the calling  
         # function.  
         #  
         try:  
             return (Str2Num(value))  
         except:  
             i = value.find('-')  
             if i == 0:  
                 i = value.find('-', 1)  
402    
403              return (Str2Num(value[:i]), Str2Num(value[i+1:]))          if type == FIELDTYPE_STRING:
404                return (value,)
405            elif type == FIELDTYPE_INT or type == FIELDTYPE_DOUBLE:
406    
407                if type == FIELDTYPE_INT:
408                    conv = lambda p: int(float(p))
409                else:
410                    conv = lambda p: p
411    
412                #
413                # first try to take the input as a single number
414                # if there's an exception try to break it into
415                # a range seperated by a '-'. take care to ignore
416                # a leading '-' as that could be for a negative number.
417                # then try to parse the individual parts. if there
418                # is an exception here, let it pass up to the calling
419                # function.
420                #
421                try:
422                    return (conv(Str2Num(value)),)
423                except ValueError:
424                    i = value.find('-')
425                    if i == 0:
426                        i = value.find('-', 1)
427    
428                    return (conv(Str2Num(value[:i])), conv(Str2Num(value[i+1:])))
429    
430            assert(False) # shouldn't get here
431            return (0,)
432                            
433    
434      def SetValueAsCustom(self, row, col, typeName, value):      def SetValueAsCustom(self, row, col, typeName, value):
435          data = self.tdata[row][COL_VISUAL]          """Set the cell specified by 'row' and 'col' to 'value'.
436    
437          if col == COL_VISUAL:          If column represents the value column, the input is parsed
438              self.tdata[row][COL_VISUAL] = value          to determine if a string, number, or range was entered.
439          elif col == COL_VALUE:          A new ClassGroup may be created if the type of data changes.
             if row != 0: # DefaultData row  
440    
441                  if isinstance(data, ClassGroupMap):          The table is considered modified after this operation.
                     # something special  
                     pass  
                 else: # POINT, RANGE  
                     try:  
                         dataInfo = self.__ParseInput(value)  
                     except: pass  
                         # bad input, ignore the request  
                     else:  
442    
443                          if len(dataInfo) == 1:          typeName -- unused, but needed to overload wxPyGridTableBase
444                              if not isinstance(data, ClassGroupSingleton):          """
                                 ndata = ClassGroupSingleton(prop = data)  
                             ndata.SetValue(dataInfo[1])  
                         elif len(dataInfo) == 2:  
                             if not isinstance(data, ClassGroupRange):  
                                 data = ClassDataRange(classData = data)  
                             data.SetRange(dataInfo[1], dataInfo[2])  
445    
446                          ndata.SetLabel(data.GetLabel())          assert(col >= 0 and col < self.GetNumberCols())
447                          self.__SetRow(row, ndata)          assert(row >= 0 and row < self.GetNumberRows())
448    
449                          #self.tdata[row][COL_VISUAL] = data          group = self.tdata[row]
450    
451                          self.GetView().Refresh()          mod = True # assume the data will change
452    
453            if col == COL_SYMBOL:
454                group.SetProperties(value)
455          elif col == COL_LABEL:          elif col == COL_LABEL:
456              data.SetLabel(value)              group.SetLabel(value)
457              self.tdata[row][COL_LABEL] = data.GetLabel()          elif col == COL_VALUE:
458                if isinstance(group, ClassGroupDefault):
459                    # not allowed to modify the default value
460                    pass
461                elif isinstance(group, ClassGroupMap):
462                    # something special
463                    pass
464                else: # SINGLETON, RANGE
465                    try:
466                        dataInfo = self.__ParseInput(value)
467                    except ValueError:
468                        # bad input, ignore the request
469                        mod = False
470                    else:
471    
472                        changed = False
473                        ngroup = group
474                        props = group.GetProperties()
475    
476                        #
477                        # try to update the values, which may include
478                        # changing the underlying group type if the
479                        # group was a singleton and a range was entered
480                        #
481                        if len(dataInfo) == 1:
482                            if not isinstance(group, ClassGroupSingleton):
483                                ngroup = ClassGroupSingleton(prop = props)
484                                changed = True
485                            ngroup.SetValue(dataInfo[0])
486                        elif len(dataInfo) == 2:
487                            if not isinstance(group, ClassGroupRange):
488                                ngroup = ClassGroupRange(prop = props)
489                                changed = True
490                            ngroup.SetRange(dataInfo[0], dataInfo[1])
491                        else:
492                            assert(False)
493                            pass
494    
495                        if changed:
496                            ngroup.SetLabel(group.GetLabel())
497                            self.SetClassGroup(row, ngroup)
498          else:          else:
499              raise ValueError(_("Invalid column request"))              assert(False) # shouldn't be here
500                pass
501    
502          self.__Modified()          if mod:
503                self.__Modified()
504                self.GetView().Refresh()
505    
506      def GetAttr(self, row, col, someExtraParameter):      def GetAttr(self, row, col, someExtraParameter):
507            """Returns the cell attributes"""
508    
509          attr = wxGridCellAttr()          attr = wxGridCellAttr()
510          #attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter)          #attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter)
511    
512          if col == COL_VISUAL:          if col == COL_SYMBOL:
513                # we need to create a new renderer each time, because
514                # SetRenderer takes control of the parameter
515              attr.SetRenderer(ClassRenderer(self.shapeType))              attr.SetRenderer(ClassRenderer(self.shapeType))
516              attr.SetReadOnly()              attr.SetReadOnly()
517    
518          return attr          return attr
519    
520      def GetClassGroup(self, row):      def GetClassGroup(self, row):
521          return self.tdata[row][COL_VISUAL]          """Return the ClassGroup object representing row 'row'."""
522    
523            return self.tdata[row] # self.GetValueAsCustom(row, COL_SYMBOL, None)
524    
525        def SetClassGroup(self, row, group):
526            self.__SetRow(row, group)
527            self.GetView().Refresh()
528    
529        def __Modified(self, mod = True):
530            """Adjust the modified flag.
531    
532      def __Modified(self):          mod -- if -1 set the modified flag to False, otherwise perform
533          self.modified = 1                 an 'or' operation with the current value of the flag and
534                   'mod'
535            """
536    
537            if mod == -1:
538                self.modified = False
539            else:
540                self.modified = mod or self.modified
541    
542      def IsModified(self):      def IsModified(self):
543            """True if this table is considered modified."""
544          return self.modified          return self.modified
545    
546      def AddNewDataRow(self):      def DeleteRows(self, pos, numRows = 1):
547          np = ClassDataPoint()          """Deletes 'numRows' beginning at row 'pos'.
548          self.tdata.append([np, np.GetValue(), np.GetLabel()])  
549          msg = wxGridTableMessage(self, wxGRIDTABLE_NOTIFY_ROWS_APPENDED, 1)          The row representing the default group is not removed.
         self.GetView().ProcessTableMessage(msg)  
         self.GetView().Refresh()  
550    
551  class Classifier(wxDialog):          The table is considered modified if any rows are removed.
552            """
553    
554            assert(pos >= 0)
555            old_len = len(self.tdata)
556            for row in range(pos, pos - numRows, -1):
557                group = self.GetClassGroup(row)
558                if not isinstance(group, ClassGroupDefault):
559                    self.tdata.pop(row)
560                    self.__Modified()
561            
562      def __init__(self, parent, layer):          if self.IsModified():
563          wxDialog.__init__(self, parent, -1, _("Classify"),              self.__NotifyRowChanges(old_len, len(self.tdata))
564                            style = wxRESIZE_BORDER)  
565        def AppendRows(self, numRows = 1):
566            """Append 'numRows' empty rows to the end of the table.
567    
568            The table is considered modified if any rows are appended.
569            """
570    
571            old_len = len(self.tdata)
572            for i in range(numRows):
573                np = ClassGroupSingleton()
574                self.__SetRow(-1, np)
575    
576            if self.IsModified():
577                self.__NotifyRowChanges(old_len, len(self.tdata))
578    
579    
580    class Classifier(NonModalDialog):
581        
582        def __init__(self, parent, interactor, name, layer):
583            NonModalDialog.__init__(self, parent, interactor, name,
584                                    _("Classifier: %s") % layer.Title())
585    
586          self.layer = layer          self.layer = layer
587    
588            self.originalClass = self.layer.GetClassification()
589            field = self.originalClass.GetField()
590            fieldType = self.originalClass.GetFieldType()
591    
592          topBox = wxBoxSizer(wxVERTICAL)          topBox = wxBoxSizer(wxVERTICAL)
593    
594          topBox.Add(wxStaticText(self, -1, _("Layer: %s") % layer.Title()),          #topBox.Add(wxStaticText(self, -1, _("Layer: %s") % layer.Title()),
595              0, wxALIGN_LEFT | wxBOTTOM, 4)              #0, wxALIGN_LEFT | wxALL, 4)
596          topBox.Add(wxStaticText(self, -1, _("Type: %s") % layer.ShapeType()),          topBox.Add(wxStaticText(self, -1,
597              0, wxALIGN_LEFT | wxBOTTOM, 4)                                  _("Layer Type: %s") % layer.ShapeType()),
598                0, wxALIGN_LEFT | wxALL, 4)
599    
         propertyBox = wxBoxSizer(wxHORIZONTAL)  
         propertyBox.Add(wxStaticText(self, -1, _("Property: ")),  
             0, wxALIGN_CENTER | wxALL, 4)  
600    
601          self.properties = wxComboBox(self, ID_PROPERTY_SELECT, "",          #
602            # make field combo box
603            #
604            self.fields = wxComboBox(self, ID_PROPERTY_SELECT, "",
605                                       style = wxCB_READONLY)                                       style = wxCB_READONLY)
606    
607          self.num_cols = layer.table.field_count()          self.num_cols = layer.table.field_count()
608          # just assume the first field in case one hasn't been          # just assume the first field in case one hasn't been
609          # specified in the file.          # specified in the file.
610          self.__cur_prop = 0          self.__cur_field = 0
611          field = layer.GetClassification().GetField()  
612            self.fields.Append("<None>")
613            self.fields.SetClientData(0, None)
614    
615          for i in range(self.num_cols):          for i in range(self.num_cols):
616              type, name, len, decc = layer.table.field_info(i)              type, name, len, decc = layer.table.field_info(i)
617                self.fields.Append(name)
618    
619              if name == field:              if name == field:
620                  self.__cur_prop = i                  self.__cur_field = i + 1
621              self.properties.Append(name)                  self.fields.SetClientData(i + 1, self.originalClass)
622              self.properties.SetClientData(i, None)              else:
623                    self.fields.SetClientData(i + 1, None)
624          self.properties.SetSelection(self.__cur_prop)  
625          propertyBox.Add(self.properties, 1, wxGROW|wxALL, 0)  
626          EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self.OnPropertySelect)          #
627            #
628            #
629    
630            self.fieldTypeText = wxStaticText(self, -1, "")
631            topBox.Add(self.fieldTypeText, 0, wxGROW | wxALIGN_LEFT | wxALL, 4)
632    
633            propertyBox = wxBoxSizer(wxHORIZONTAL)
634            propertyBox.Add(wxStaticText(self, -1, _("Field: ")),
635                0, wxALIGN_LEFT | wxALL, 4)
636            propertyBox.Add(self.fields, 1, wxGROW|wxALL, 4)
637            EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self._OnFieldSelect)
638    
639          topBox.Add(propertyBox, 0, wxGROW, 4)          topBox.Add(propertyBox, 0, wxGROW, 4)
640    
# Line 312  class Classifier(wxDialog): Line 643  class Classifier(wxDialog):
643          #          #
644    
645          controlBox = wxBoxSizer(wxHORIZONTAL)          controlBox = wxBoxSizer(wxHORIZONTAL)
646          self.classGrid = ClassGrid(self, layer)  
647            self.classGrid = ClassGrid(self)
648            self.__SetGridTable(self.__cur_field)
649    
650          controlBox.Add(self.classGrid, 1, wxGROW, 0)          controlBox.Add(self.classGrid, 1, wxGROW, 0)
651    
652          controlButtonBox = wxBoxSizer(wxVERTICAL)          controlButtonBox = wxBoxSizer(wxVERTICAL)
653          controlButtonBox.Add(wxButton(self, ID_CLASSIFY_ADD,  
654              _("Add")), 0, wxGROW | wxALL, 4)          #
655          controlButtonBox.Add(wxButton(self, ID_CLASSIFY_GENRANGE,          # Control buttons:
656              _("Generate Ranges")), 0, wxGROW | wxALL, 4)          #
657            self.controlButtons = []
658    
659            button = wxButton(self, ID_CLASSIFY_ADD, _("Add"))
660            controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
661            self.controlButtons.append(button)
662    
663            #button = wxButton(self, ID_CLASSIFY_GENRANGE, _("Generate Ranges"))
664            #controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
665            #self.controlButtons.append(button)
666    
667            button = wxButton(self, ID_CLASSIFY_MOVEUP, _("Move Up"))
668            controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
669            self.controlButtons.append(button)
670    
671            button = wxButton(self, ID_CLASSIFY_MOVEDOWN, _("Move Down"))
672            controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
673            self.controlButtons.append(button)
674    
675            controlButtonBox.Add(60, 20, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)
676    
677            button = wxButton(self, ID_CLASSIFY_REMOVE, _("Remove"))
678            controlButtonBox.Add(button, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)
679            self.controlButtons.append(button)
680    
681          controlBox.Add(controlButtonBox, 0, wxGROW, 10)          controlBox.Add(controlButtonBox, 0, wxGROW, 10)
682          topBox.Add(controlBox, 1, wxGROW, 10)          topBox.Add(controlBox, 1, wxGROW, 10)
683    
684          EVT_BUTTON(self, ID_CLASSIFY_ADD, self.OnAdd)          EVT_BUTTON(self, ID_CLASSIFY_ADD, self._OnAdd)
685          EVT_BUTTON(self, ID_CLASSIFY_GENRANGE, self.OnGenRange)          EVT_BUTTON(self, ID_CLASSIFY_REMOVE, self._OnRemove)
686          EVT_GRID_CELL_LEFT_DCLICK(self.classGrid, self.OnCellDClick)          EVT_BUTTON(self, ID_CLASSIFY_GENRANGE, self._OnGenRange)
687            EVT_BUTTON(self, ID_CLASSIFY_MOVEUP, self._OnMoveUp)
688            EVT_BUTTON(self, ID_CLASSIFY_MOVEDOWN, self._OnMoveDown)
689    
         #  
         # Control buttons:  
         #  
690          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
691          buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")),          buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")),
692                        0, wxALL, 4)                        0, wxALL, 4)
693            buttonBox.Add(60, 20, 0, wxALL, 4)
694            buttonBox.Add(wxButton(self, ID_CLASSIFY_APPLY, _("Apply")),
695                          0, wxALL, 4)
696            buttonBox.Add(60, 20, 0, wxALL, 4)
697          buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")),          buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")),
698                        0, wxALL, 4)                        0, wxALL, 4)
699          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)
700    
701          EVT_BUTTON(self, ID_CLASSIFY_OK, self.OnOK)          EVT_BUTTON(self, ID_CLASSIFY_OK, self._OnOK)
702          EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self.OnCancel)          EVT_BUTTON(self, ID_CLASSIFY_APPLY, self._OnApply)
703            EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self._OnCancel)
704    
705            self.fields.SetSelection(self.__cur_field)
706            self.__SelectField(self.__cur_field)
707    
708          self.SetAutoLayout(true)          self.SetAutoLayout(true)
709          self.SetSizer(topBox)          self.SetSizer(topBox)
710          topBox.Fit(self)          topBox.Fit(self)
711          topBox.SetSizeHints(self)          topBox.SetSizeHints(self)
712    
     def __BuildClassification(self, prop):  
713    
714          clazz = Classification()      def __BuildClassification(self, fieldIndex):
         clazz.SetField(self.properties.GetStringSelection())  
715    
716          numRows = self.classGrid.GetNumberRows()          numRows = self.classGrid.GetNumberRows()
717            assert(numRows > 0) # there should always be a default row
718    
719          if numRows > 0:          clazz = Classification()
720              table = self.classGrid.GetTable()          if fieldIndex == 0:
721              clazz.SetDefaultGroup(table.GetClassGroup(0))              fieldName = None
722                fieldType = None
723            else:
724                fieldName = self.fields.GetString(fieldIndex)
725                fieldType = self.layer.GetFieldType(fieldName)
726    
727              for i in range(1, numRows):          clazz.SetField(fieldName)
728                  clazz.AddGroup(table.GetClassGroup(i))          clazz.SetFieldType(fieldType)
729    
730    
731            table = self.classGrid.GetTable()
732            clazz.SetDefaultGroup(table.GetClassGroup(0))
733    
734            for i in range(1, numRows):
735                clazz.AddGroup(table.GetClassGroup(i))
736    
737          return clazz          return clazz
738    
739      def OnPropertySelect(self, event):      def __SetGridTable(self, fieldIndex):
         self.properties.SetClientData(  
             self.__cur_prop, self.__BuildClassification(self.__cur_prop))  
740    
741          self.__cur_prop = self.properties.GetSelection()          clazz = self.fields.GetClientData(fieldIndex)
742          clazz = self.properties.GetClientData(self.__cur_prop)  
743          table = self.classGrid.GetTable()          if clazz is None:
744                clazz = Classification()
745                clazz.SetDefaultGroup(
746                    ClassGroupDefault(
747                        self.layer.GetClassification().
748                                   GetDefaultGroup().GetProperties()))
749    
750                fieldName = self.fields.GetString(fieldIndex)
751                fieldType = self.layer.GetFieldType(fieldName)
752                clazz.SetFieldType(fieldType)
753                    
754            self.classGrid.CreateTable(clazz, self.layer.ShapeType())
755    
756    
757    
758        type2string = {None:             _("None"),
759                       FIELDTYPE_STRING: _("Text"),
760                       FIELDTYPE_INT:    _("Integer"),
761                       FIELDTYPE_DOUBLE: _("Decimal")}
762    
763        def __SetFieldTypeText(self, fieldIndex):
764            fieldName = self.fields.GetString(fieldIndex)
765            fieldType = self.layer.GetFieldType(fieldName)
766    
767            assert(Classifier.type2string.has_key(fieldType))
768    
769            text = Classifier.type2string[fieldType]
770    
771            self.fieldTypeText.SetLabel(_("Field Type: %s") % text)
772    
773        def __SelectField(self, newIndex, oldIndex = -1):
774    
775            assert(oldIndex >= -1)
776    
777            if oldIndex != -1:
778                clazz = self.__BuildClassification(oldIndex)
779                self.fields.SetClientData(oldIndex, clazz)
780    
781            self.__SetGridTable(newIndex)
782    
783            enabled = newIndex != 0
784    
785          table.Reset(clazz, self.layer.ShapeType())          for b in self.controlButtons:
786                b.Enable(enabled)
787    
788      def OnOK(self, event):          self.__SetFieldTypeText(newIndex)
789    
790    
791        def _OnFieldSelect(self, event):
792            index = self.fields.GetSelection()
793            self.__SelectField(index, self.__cur_field)
794            self.__cur_field = index
795    
796        def _OnApply(self, event):
797          """Put the data from the table into a new Classification and hand          """Put the data from the table into a new Classification and hand
798             it to the layer.             it to the layer.
799          """          """
800    
801          clazz = self.properties.GetClientData(self.__cur_prop)          clazz = self.fields.GetClientData(self.__cur_field)
802    
803          #          #
804          # only build the classification if there wasn't one to          # only build the classification if there wasn't one to
805          # to begin with or it has been modified          # to begin with or it has been modified
806          #          #
807          if clazz is None or self.classGrid.GetTable().IsModified():          if clazz is None or self.classGrid.GetTable().IsModified():
808              clazz = self.__BuildClassification(self.__cur_prop)              clazz = self.__BuildClassification(self.__cur_field)
   
         clazz.SetLayer(self.layer)  
809    
810          self.layer.SetClassification(clazz)          self.layer.SetClassification(clazz)
811    
812          self.EndModal(wxID_OK)      def _OnOK(self, event):
813            self._OnApply(event)
814      def OnCancel(self, event):          self.OnClose(event)
815          """Do nothing. The layer's current classification stays the same."""  
816          self.EndModal(wxID_CANCEL)      def _OnCancel(self, event):
817            """The layer's current classification stays the same."""
818            self.layer.SetClassification(self.originalClass)
819            self.OnClose(event)
820    
821        def _OnAdd(self, event):
822            self.classGrid.AppendRows()
823    
824        def _OnRemove(self, event):
825            self.classGrid.DeleteSelectedRows()
826    
827        def _OnGenRange(self, event):
828            print "Classifier._OnGenRange()"
829    
830        def _OnMoveUp(self, event):
831            sel = self.classGrid.GetCurrentSelection()
832    
833            if len(sel) == 1:
834                i = sel[0]
835                if i > 1:
836                    table = self.classGrid.GetTable()
837                    x = table.GetClassGroup(i - 1)
838                    y = table.GetClassGroup(i)
839                    table.SetClassGroup(i - 1, y)
840                    table.SetClassGroup(i, x)
841                    self.classGrid.ClearSelection()
842                    self.classGrid.SelectRow(i - 1)
843    
844        def _OnMoveDown(self, event):
845            sel = self.classGrid.GetCurrentSelection()
846    
847      def OnAdd(self, event):          if len(sel) == 1:
848          self.classGrid.GetTable().AddNewDataRow()              i = sel[0]
849          print "Classifier.OnAdd()"              table = self.classGrid.GetTable()
850                if 0 < i < table.GetNumberRows() - 1:
851      def OnGenRange(self, event):                  x = table.GetClassGroup(i)
852          print "Classifier.OnGenRange()"                  y = table.GetClassGroup(i + 1)
853                    table.SetClassGroup(i, y)
854      def OnCellDClick(self, event):                  table.SetClassGroup(i + 1, x)
855          r = event.GetRow()                  self.classGrid.ClearSelection()
856          c = event.GetCol()                  self.classGrid.SelectRow(i + 1)
         if c == COL_VISUAL:  
             # XXX: getting the properties is only possible with non-Maps!!!  
             group = self.classGrid.GetTable().GetValueAsCustom(r, c, None)  
             prop = group.GetProperties()  
             propDlg = SelectPropertiesDialog(NULL, prop, self.layer.ShapeType())  
             if propDlg.ShowModal() == wxID_OK:  
                 new_prop = propDlg.GetClassGroupProperties()  
                 prop.SetStroke(new_prop.GetStroke())  
                 prop.SetStrokeWidth(new_prop.GetStrokeWidth())  
                 prop.SetFill(new_prop.GetFill())  
                 self.classGrid.Refresh()  
             propDlg.Destroy()  
857    
858    
859  ID_SELPROP_OK = 4001  ID_SELPROP_OK = 4001
# Line 428  ID_SELPROP_SPINCTRL = 4002 Line 862  ID_SELPROP_SPINCTRL = 4002
862  ID_SELPROP_PREVIEW = 4003  ID_SELPROP_PREVIEW = 4003
863  ID_SELPROP_STROKECLR = 4004  ID_SELPROP_STROKECLR = 4004
864  ID_SELPROP_FILLCLR = 4005  ID_SELPROP_FILLCLR = 4005
865    ID_SELPROP_STROKECLRTRANS = 4006
866    ID_SELPROP_FILLCLRTRANS = 4007
867    
868  class SelectPropertiesDialog(wxDialog):  class SelectPropertiesDialog(wxDialog):
869    
# Line 453  class SelectPropertiesDialog(wxDialog): Line 889  class SelectPropertiesDialog(wxDialog):
889    
890          # control box          # control box
891          ctrlBox = wxBoxSizer(wxVERTICAL)          ctrlBox = wxBoxSizer(wxVERTICAL)
892          ctrlBox.Add(  
893              wxButton(self, ID_SELPROP_STROKECLR, "Change Stroke Color"),          lineColorBox = wxBoxSizer(wxHORIZONTAL)
894              0, wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4)          lineColorBox.Add(
895          EVT_BUTTON(self, ID_SELPROP_STROKECLR, self.OnChangeStrokeColor)              wxButton(self, ID_SELPROP_STROKECLR, _("Change Line Color")),
896                1, wxALL | wxGROW, 4)
897            EVT_BUTTON(self, ID_SELPROP_STROKECLR, self._OnChangeLineColor)
898    
899            lineColorBox.Add(
900                wxButton(self, ID_SELPROP_STROKECLRTRANS, _("Transparent")),
901                1, wxALL | wxGROW, 4)
902            EVT_BUTTON(self, ID_SELPROP_STROKECLRTRANS,
903                       self._OnChangeLineColorTrans)
904    
905            ctrlBox.Add(lineColorBox, 0,
906                        wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4)
907    
908          if shapeType != SHAPETYPE_ARC:          if shapeType != SHAPETYPE_ARC:
909              ctrlBox.Add(              fillColorBox = wxBoxSizer(wxHORIZONTAL)
910                  wxButton(self, ID_SELPROP_FILLCLR, "Change Fill Color"),              fillColorBox.Add(
911                  0, wxALIGN_LEFT | wxALL | wxGROW, 4)                  wxButton(self, ID_SELPROP_FILLCLR, _("Change Fill Color")),
912              EVT_BUTTON(self, ID_SELPROP_FILLCLR, self.OnChangeFillColor)                  1, wxALL | wxGROW, 4)
913                EVT_BUTTON(self, ID_SELPROP_FILLCLR, self._OnChangeFillColor)
914                fillColorBox.Add(
915                    wxButton(self, ID_SELPROP_FILLCLRTRANS, _("Transparent")),
916                    1, wxALL | wxGROW, 4)
917                EVT_BUTTON(self, ID_SELPROP_FILLCLRTRANS,
918                           self._OnChangeFillColorTrans)
919                ctrlBox.Add(fillColorBox, 0,
920                            wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4)
921    
922          spinBox = wxBoxSizer(wxHORIZONTAL)          spinBox = wxBoxSizer(wxHORIZONTAL)
923          spinBox.Add(wxStaticText(self, -1, _("Stroke Width: ")),          spinBox.Add(wxStaticText(self, -1, _("Line Width: ")),
924                  0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)                  0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)
925          self.spinCtrl = wxSpinCtrl(self, ID_SELPROP_SPINCTRL,          self.spinCtrl = wxSpinCtrl(self, ID_SELPROP_SPINCTRL,
926                                     min=1, max=10,                                     min=1, max=10,
927                                     value=str(prop.GetStrokeWidth()),                                     value=str(prop.GetLineWidth()),
928                                     initial=prop.GetStrokeWidth())                                     initial=prop.GetLineWidth())
929    
930          EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL, self.OnSpin)          EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL, self._OnSpin)
931    
932          spinBox.Add(self.spinCtrl, 0, wxALIGN_LEFT | wxALL, 4)          spinBox.Add(self.spinCtrl, 0, wxALIGN_LEFT | wxALL, 4)
933    
# Line 480  class SelectPropertiesDialog(wxDialog): Line 935  class SelectPropertiesDialog(wxDialog):
935          itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0)          itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0)
936          topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)          topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)
937    
   
938          #          #
939          # Control buttons:          # Control buttons:
940          #          #
941          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
942          buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")),          buttonBox.Add(wxButton(self, ID_SELPROP_OK, _("OK")),
943                        0, wxALL, 4)                        0, wxALL, 4)
944          buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")),          buttonBox.Add(wxButton(self, ID_SELPROP_CANCEL, _("Cancel")),
945                        0, wxALL, 4)                        0, wxALL, 4)
946          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)
947                                                                                                                                                                    
948          EVT_BUTTON(self, ID_SELPROP_OK, self.OnOK)          EVT_BUTTON(self, ID_SELPROP_OK, self._OnOK)
949          EVT_BUTTON(self, ID_SELPROP_CANCEL, self.OnCancel)          EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel)
950                                                                                                                                                                    
951          self.SetAutoLayout(true)          self.SetAutoLayout(true)
952          self.SetSizer(topBox)          self.SetSizer(topBox)
953          topBox.Fit(self)          topBox.Fit(self)
954          topBox.SetSizeHints(self)          topBox.SetSizeHints(self)
955    
956      def OnOK(self, event):      def _OnOK(self, event):
957          self.EndModal(wxID_OK)          self.EndModal(wxID_OK)
958    
959      def OnCancel(self, event):      def _OnCancel(self, event):
960          self.EndModal(wxID_CANCEL)          self.EndModal(wxID_CANCEL)
961    
962      def OnSpin(self, event):      def _OnSpin(self, event):
963          self.prop.SetStrokeWidth(self.spinCtrl.GetValue())          self.prop.SetLineWidth(self.spinCtrl.GetValue())
964          self.previewer.Refresh()          self.previewer.Refresh()
965    
966      def __GetColor(self, cur):      def __GetColor(self, cur):
# Line 520  class SelectPropertiesDialog(wxDialog): Line 974  class SelectPropertiesDialog(wxDialog):
974    
975          return ret          return ret
976                    
977      def OnChangeStrokeColor(self, event):      def _OnChangeLineColor(self, event):
978          clr = self.__GetColor(self.prop.GetStroke())          clr = self.__GetColor(self.prop.GetLineColor())
979          if clr is not None:          if clr is not None:
980              self.prop.SetStroke(clr)              self.prop.SetLineColor(clr)
981          self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer
982    
983      def OnChangeFillColor(self, event):      def _OnChangeLineColorTrans(self, event):
984            self.prop.SetLineColor(Color.None)
985            self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer
986            
987        def _OnChangeFillColor(self, event):
988          clr = self.__GetColor(self.prop.GetFill())          clr = self.__GetColor(self.prop.GetFill())
989          if clr is not None:          if clr is not None:
990              self.prop.SetFill(clr)              self.prop.SetFill(clr)
991          self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer
992    
993        def _OnChangeFillColorTrans(self, event):
994            self.prop.SetFill(Color.None)
995            self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer
996    
997      def GetClassGroupProperties(self):      def GetClassGroupProperties(self):
998          return self.prop          return self.prop
999    
# Line 542  class ClassDataPreviewer(wxWindow): Line 1004  class ClassDataPreviewer(wxWindow):
1004                         parent = None, id = -1, size = wxDefaultSize):                         parent = None, id = -1, size = wxDefaultSize):
1005          if parent is not None:          if parent is not None:
1006              wxWindow.__init__(self, parent, id, size=size)              wxWindow.__init__(self, parent, id, size=size)
1007              EVT_PAINT(self, self.OnPaint)              EVT_PAINT(self, self._OnPaint)
1008    
1009          self.rect = rect          self.rect = rect
1010          self.prop = prop          self.prop = prop
1011          self.shapeType = shapeType          self.shapeType = shapeType
1012    
1013      def OnPaint(self, event):      def _OnPaint(self, event):
1014          dc = wxPaintDC(self)          dc = wxPaintDC(self)
1015    
1016          # XXX: this doesn't seem to be having an effect:          # XXX: this doesn't seem to be having an effect:
# Line 570  class ClassDataPreviewer(wxWindow): Line 1032  class ClassDataPreviewer(wxWindow):
1032              w = rect.GetWidth()              w = rect.GetWidth()
1033              h = rect.GetHeight()              h = rect.GetHeight()
1034    
1035          stroke = prop.GetStroke()          stroke = prop.GetLineColor()
1036          if stroke is Color.None:          if stroke is Color.None:
1037              pen = wxTRANSPARENT_PEN              pen = wxTRANSPARENT_PEN
1038          else:          else:
1039              pen = wxPen(Color2wxColour(stroke),              pen = wxPen(Color2wxColour(stroke),
1040                          prop.GetStrokeWidth(),                          prop.GetLineWidth(),
1041                          wxSOLID)                          wxSOLID)
1042    
1043          stroke = prop.GetFill()          stroke = prop.GetFill()
# Line 597  class ClassDataPreviewer(wxWindow): Line 1059  class ClassDataPreviewer(wxWindow):
1059               shapeType == SHAPETYPE_POLYGON:               shapeType == SHAPETYPE_POLYGON:
1060    
1061              dc.DrawCircle(x + w/2, y + h/2,              dc.DrawCircle(x + w/2, y + h/2,
1062                            (min(w, h) - prop.GetStrokeWidth())/2)                            (min(w, h) - prop.GetLineWidth())/2)
1063    
1064  class ClassRenderer(wxPyGridCellRenderer):  class ClassRenderer(wxPyGridCellRenderer):
1065    
# Line 606  class ClassRenderer(wxPyGridCellRenderer Line 1068  class ClassRenderer(wxPyGridCellRenderer
1068          self.previewer = ClassDataPreviewer(None, None, shapeType)          self.previewer = ClassDataPreviewer(None, None, shapeType)
1069    
1070      def Draw(self, grid, attr, dc, rect, row, col, isSelected):      def Draw(self, grid, attr, dc, rect, row, col, isSelected):
1071          data = grid.GetTable().GetValueAsCustom(row, col, "")          data = grid.GetTable().GetClassGroup(row)
   
1072    
1073          dc.SetClippingRegion(rect.GetX(), rect.GetY(),          dc.SetClippingRegion(rect.GetX(), rect.GetY(),
1074                               rect.GetWidth(), rect.GetHeight())                               rect.GetWidth(), rect.GetHeight())
Legend:
Removed from v.441  
changed lines
  Added in v.506
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