/[thuban]/trunk/thuban/Thuban/UI/classifier.py
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revision 630 by jonathan, Wed Apr 9 10:10:06 2003 UTC revision 878 by jonathan, Fri May 9 16:32:31 2003 UTC
# Line 18  from wxPython.wx import * Line 18  from wxPython.wx import *
18  from wxPython.grid import *  from wxPython.grid import *
19    
20  from Thuban import _  from Thuban import _
21  from Thuban.common import *  from Thuban.UI.common import Color2wxColour, wxColour2Color
 from Thuban.UI.common import *  
22    
23  from Thuban.Model.classification import *  from Thuban.Model.range import Range
24    from Thuban.Model.classification import \
25        Classification, ClassGroupDefault, \
26        ClassGroupSingleton, ClassGroupRange, ClassGroupMap, \
27        ClassGroupProperties
28    
29  from Thuban.Model.color import Color  from Thuban.Model.color import Color
30    
31  from Thuban.Model.layer import Layer, SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT  from Thuban.Model.layer import Layer, \
32        SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT
33    
34  from Thuban.UI.classgen import ClassGenDialog, ClassGenerator  from Thuban.UI.classgen import ClassGenDialog, ClassGenerator
35    
36  from dialogs import NonModalDialog  from dialogs import NonModalDialog
37    
 # widget id's  
 ID_PROPERTY_SELECT = 4010  
38  ID_CLASS_TABLE = 40011  ID_CLASS_TABLE = 40011
39    
40    
41  # table columns  # table columns
42  COL_SYMBOL = 0  COL_VISIBLE = 0
43  COL_VALUE  = 1  COL_SYMBOL  = 1
44  COL_LABEL  = 2  COL_VALUE   = 2
45    COL_LABEL   = 3
46    NUM_COLS    = 4
47    
48  # indices into the client data lists in Classifier.fields  # indices into the client data lists in Classifier.fields
49  FIELD_CLASS = 0  FIELD_CLASS = 0
# Line 63  class ClassGrid(wxGrid): Line 67  class ClassGrid(wxGrid):
67                   use for display.                   use for display.
68          """          """
69    
70          #wxGrid.__init__(self, parent, ID_CLASS_TABLE, size = (340, 160))          wxGrid.__init__(self, parent, ID_CLASS_TABLE, style = 0)
         wxGrid.__init__(self, parent, ID_CLASS_TABLE)  
         #self.SetTable(ClassTable(fieldData, layer.ShapeType(), self), True)  
71    
72          self.classifier = classifier          self.classifier = classifier
73    
# Line 77  class ClassGrid(wxGrid): Line 79  class ClassGrid(wxGrid):
79          EVT_GRID_COL_SIZE(self, self._OnCellResize)          EVT_GRID_COL_SIZE(self, self._OnCellResize)
80          EVT_GRID_ROW_SIZE(self, self._OnCellResize)          EVT_GRID_ROW_SIZE(self, self._OnCellResize)
81    
82        #def GetCellAttr(self, row, col):
83            #print "GetCellAttr ", row, col
84            #wxGrid.GetCellAttr(self, row, col)
85    
86      def CreateTable(self, clazz, shapeType, group = None):      def CreateTable(self, clazz, shapeType, group = None):
87    
88          assert isinstance(clazz, Classification)          assert isinstance(clazz, Classification)
89    
90          table = self.GetTable()          table = self.GetTable()
91          if table is None:          if table is None:
92              w = self.GetDefaultColSize() * 3 + self.GetDefaultRowLabelSize()              w = self.GetDefaultColSize() * NUM_COLS \
93              h = self.GetDefaultRowSize() * 4 + self.GetDefaultColLabelSize()                  + self.GetDefaultRowLabelSize()
94                h = self.GetDefaultRowSize() * 4 \
95                    + self.GetDefaultColLabelSize()
96    
97              self.SetDimensions(-1, -1, w, h)              self.SetDimensions(-1, -1, w, h)
98              self.SetSizeHints(w, h, -1, -1)              self.SetSizeHints(w, h, -1, -1)
99              table = ClassTable(self)              table = ClassTable(self)
# Line 106  class ClassGrid(wxGrid): Line 115  class ClassGrid(wxGrid):
115      def GetSelectedRows(self):      def GetSelectedRows(self):
116          return self.GetCurrentSelection()          return self.GetCurrentSelection()
117    
118      def SetCellRenderer(self, row, col):      #def SetCellRenderer(self, row, col, renderer):
119          raise ValueError(_("Must not allow setting of renderer in ClassGrid!"))          #raise ValueError(_("Must not allow setting of renderer in ClassGrid!"))
120    
121      #      #
122      # [Set|Get]Table is taken from http://wiki.wxpython.org      # [Set|Get]Table is taken from http://wiki.wxpython.org
# Line 202  class ClassGrid(wxGrid): Line 211  class ClassGrid(wxGrid):
211  #                                  sel = False))  #                                  sel = False))
212    
213      def _OnCellDClick(self, event):      def _OnCellDClick(self, event):
214          """Handle a double on a cell."""          """Handle a double click on a cell."""
215    
216          r = event.GetRow()          r = event.GetRow()
217          c = event.GetCol()          c = event.GetCol()
         if c == COL_SYMBOL:  
             self.classifier.EditGroupProperties(r)  
218    
219            if c == COL_SYMBOL:
220                self.classifier.EditSymbol(r)
221            else:
222                event.Skip()
223    
224      #      #
225      # _OnSelectedRange() and _OnSelectedCell() were borrowed      # _OnSelectedRange() and _OnSelectedCell() were borrowed
# Line 237  class ClassGrid(wxGrid): Line 248  class ClassGrid(wxGrid):
248    
249      def _OnCellResize(self, event):      def _OnCellResize(self, event):
250          self.FitInside()          self.FitInside()
251            event.Skip()
252    
253  class ClassTable(wxPyGridTableBase):  class ClassTable(wxPyGridTableBase):
254      """Represents the underlying data structure for the grid."""      """Represents the underlying data structure for the grid."""
255    
256      NUM_COLS = 3      __col_labels = [_("Visible"), _("Symbol"), _("Value"), _("Label")]
   
     __col_labels = [_("Symbol"), _("Value"), _("Label")]  
257    
258    
259      def __init__(self, view = None):      def __init__(self, view = None):
# Line 257  class ClassTable(wxPyGridTableBase): Line 267  class ClassTable(wxPyGridTableBase):
267    
268          wxPyGridTableBase.__init__(self)          wxPyGridTableBase.__init__(self)
269    
270          self.SetView(view)          assert len(ClassTable.__col_labels) == NUM_COLS
271    
272          self.clazz = None          self.clazz = None
273            self.__colAttr = {}
274    
275          #self.Reset(clazz, shapeType)          self.SetView(view)
276    
277      def Reset(self, clazz, shapeType, group = None):      def Reset(self, clazz, shapeType, group = None):
278          """Reset the table with the given data.          """Reset the table with the given data.
# Line 286  class ClassTable(wxPyGridTableBase): Line 298  class ClassTable(wxPyGridTableBase):
298          self.SetClassification(clazz, group)          self.SetClassification(clazz, group)
299          self.__Modified(-1)          self.__Modified(-1)
300    
301            self.__colAttr = {}
302    
303            attr = wxGridCellAttr()
304            attr.SetEditor(wxGridCellBoolEditor())
305            attr.SetRenderer(wxGridCellBoolRenderer())
306            attr.SetAlignment(wxALIGN_CENTER, wxALIGN_CENTER)
307            self.__colAttr[COL_VISIBLE] = attr
308    
309            attr = wxGridCellAttr()
310            attr.SetRenderer(ClassRenderer(self.shapeType))
311            attr.SetReadOnly()
312            self.__colAttr[COL_SYMBOL] = attr
313    
314          self.GetView().EndBatch()          self.GetView().EndBatch()
315          self.GetView().FitInside()          self.GetView().FitInside()
316    
# Line 298  class ClassTable(wxPyGridTableBase): Line 323  class ClassTable(wxPyGridTableBase):
323    
324          old_len = self.GetNumberRows()          old_len = self.GetNumberRows()
325    
         #  
         # copy the data out of the classification and into our  
         # array  
         #  
326          row = -1          row = -1
 #       for g in clazz:  
 #           ng = copy.deepcopy(g)  
 #           self.__SetRow(None, ng)  
 #           if g is group:  
 #               row = self.GetNumberRows() - 1  
 #               #print "selecting row..."  
   
   
         #self.clazz = copy.deepcopy(clazz)  
327          self.clazz = clazz          self.clazz = clazz
328    
329          self.__NotifyRowChanges(old_len, self.GetNumberRows())          self.__NotifyRowChanges(old_len, self.GetNumberRows())
330    
331            #
332            # XXX: this is dead code at the moment
333            #
334          if row > -1:          if row > -1:
335              self.GetView().ClearSelection()              self.GetView().ClearSelection()
336              self.GetView().SelectRow(row)              self.GetView().SelectRow(row)
# Line 323  class ClassTable(wxPyGridTableBase): Line 338  class ClassTable(wxPyGridTableBase):
338    
339          self.__Modified()          self.__Modified()
340    
341    
342          self.GetView().EndBatch()          self.GetView().EndBatch()
343          self.GetView().FitInside()          self.GetView().FitInside()
344    
# Line 387  class ClassTable(wxPyGridTableBase): Line 403  class ClassTable(wxPyGridTableBase):
403              if isinstance(group, ClassGroupMap):       return _("Map")              if isinstance(group, ClassGroupMap):       return _("Map")
404    
405          assert False # shouldn't get here          assert False # shouldn't get here
406          return _("")          return ""
407    
408      def GetNumberRows(self):      def GetNumberRows(self):
409          """Return the number of rows."""          """Return the number of rows."""
# Line 398  class ClassTable(wxPyGridTableBase): Line 414  class ClassTable(wxPyGridTableBase):
414    
415      def GetNumberCols(self):      def GetNumberCols(self):
416          """Return the number of columns."""          """Return the number of columns."""
417          return self.NUM_COLS          return NUM_COLS
418    
419      def IsEmptyCell(self, row, col):      def IsEmptyCell(self, row, col):
420          """Determine if a cell is empty. This is always false."""          """Determine if a cell is empty. This is always false."""
# Line 416  class ClassTable(wxPyGridTableBase): Line 432  class ClassTable(wxPyGridTableBase):
432          """          """
433    
434          self.SetValueAsCustom(row, col, None, value)          self.SetValueAsCustom(row, col, None, value)
         self.__Modified()  
435                
436      def GetValueAsCustom(self, row, col, typeName):      def GetValueAsCustom(self, row, col, typeName):
437          """Return the object that is used to represent the given          """Return the object that is used to represent the given
# Line 431  class ClassTable(wxPyGridTableBase): Line 446  class ClassTable(wxPyGridTableBase):
446              group = self.clazz.GetGroup(row - 1)              group = self.clazz.GetGroup(row - 1)
447    
448    
449            if col == COL_VISIBLE:
450                return group.IsVisible()
451    
452          if col == COL_SYMBOL:          if col == COL_SYMBOL:
453              return group.GetProperties()              return group.GetProperties()
454    
# Line 445  class ClassTable(wxPyGridTableBase): Line 463  class ClassTable(wxPyGridTableBase):
463          elif isinstance(group, ClassGroupSingleton):          elif isinstance(group, ClassGroupSingleton):
464              return group.GetValue()              return group.GetValue()
465          elif isinstance(group, ClassGroupRange):          elif isinstance(group, ClassGroupRange):
466              return _("%s - %s") % (group.GetMin(), group.GetMax())              return group.GetRange()
467    
468          assert(False) # shouldn't get here          assert False # shouldn't get here
469          return None          return None
470    
471      def __ParseInput(self, value):      def __ParseInput(self, value):
472          """Try to determine what kind of input value is          """Try to determine what kind of input value is
473             (string, number, or range)             (string, number, or range)
474    
475          Returns a tuple of length one if there is a single          Returns a tuple (type, data) where type is 0 if data is
476          value, or of length two if it is a range.          a singleton value, or 1 if is a range
477          """          """
478    
479          type = self.fieldType          type = self.fieldType
480    
481          if type == FIELDTYPE_STRING:          if type == FIELDTYPE_STRING:
482              return (value,)              return (0, value)
483          elif type in (FIELDTYPE_INT, FIELDTYPE_DOUBLE):          elif type in (FIELDTYPE_INT, FIELDTYPE_DOUBLE):
   
484              if type == FIELDTYPE_INT:              if type == FIELDTYPE_INT:
485                    # the float call allows the user to enter 1.0 for 1
486                  conv = lambda p: int(float(p))                  conv = lambda p: int(float(p))
487              else:              else:
488                  conv = lambda p: p                  conv = float
489    
490              #              #
491              # first try to take the input as a single number              # first try to take the input as a single number
492              # if there's an exception try to break it into              # if there's an exception try to break it into
493              # a range seperated by a '-'. take care to ignore              # a range. if there is an exception here, let it
494              # a leading '-' as that could be for a negative number.              # pass up to the calling function.
             # then try to parse the individual parts. if there  
             # is an exception here, let it pass up to the calling  
             # function.  
495              #              #
496              try:              try:
497                  return (conv(Str2Num(value)),)                  return (0, conv(value))
498              except ValueError:              except ValueError:
499                  i = value.find('-')                  return (1, Range(value))
                 if i == 0:  
                     i = value.find('-', 1)  
   
                 return (conv(Str2Num(value[:i])), conv(Str2Num(value[i+1:])))  
500    
501          assert False  # shouldn't get here          assert False  # shouldn't get here
502          return (0,)          return (0,None)
               
503    
504      def SetValueAsCustom(self, row, col, typeName, value):      def SetValueAsCustom(self, row, col, typeName, value):
505          """Set the cell specified by 'row' and 'col' to 'value'.          """Set the cell specified by 'row' and 'col' to 'value'.
# Line 503  class ClassTable(wxPyGridTableBase): Line 513  class ClassTable(wxPyGridTableBase):
513          typeName -- unused, but needed to overload wxPyGridTableBase          typeName -- unused, but needed to overload wxPyGridTableBase
514          """          """
515    
516          assert col >= 0 and col < self.GetNumberCols()          assert 0 <= col < self.GetNumberCols()
517          assert row >= 0 and row < self.GetNumberRows()          assert 0 <= row < self.GetNumberRows()
518    
519          if row == 0:          if row == 0:
520              group = self.clazz.GetDefaultGroup()              group = self.clazz.GetDefaultGroup()
# Line 513  class ClassTable(wxPyGridTableBase): Line 523  class ClassTable(wxPyGridTableBase):
523    
524          mod = True # assume the data will change          mod = True # assume the data will change
525    
526          if col == COL_SYMBOL:          if col == COL_VISIBLE:
527                group.SetVisible(value)
528            elif col == COL_SYMBOL:
529              group.SetProperties(value)              group.SetProperties(value)
530          elif col == COL_LABEL:          elif col == COL_LABEL:
531              group.SetLabel(value)              group.SetLabel(value)
# Line 541  class ClassTable(wxPyGridTableBase): Line 553  class ClassTable(wxPyGridTableBase):
553                      # changing the underlying group type if the                      # changing the underlying group type if the
554                      # group was a singleton and a range was entered                      # group was a singleton and a range was entered
555                      #                      #
556                      if len(dataInfo) == 1:                      if dataInfo[0] == 0:
557                          if not isinstance(group, ClassGroupSingleton):                          if not isinstance(group, ClassGroupSingleton):
558                              ngroup = ClassGroupSingleton(prop = props)                              ngroup = ClassGroupSingleton(props = props)
559                              changed = True                              changed = True
560                          ngroup.SetValue(dataInfo[0])                          ngroup.SetValue(dataInfo[1])
561                      elif len(dataInfo) == 2:                      elif dataInfo[0] == 1:
562                          if not isinstance(group, ClassGroupRange):                          if not isinstance(group, ClassGroupRange):
563                              ngroup = ClassGroupRange(prop = props)                              ngroup = ClassGroupRange(props = props)
564                              changed = True                              changed = True
565                          ngroup.SetRange(dataInfo[0], dataInfo[1])                          ngroup.SetRange(dataInfo[1])
566                      else:                      else:
567                          assert False                          assert False
568                          pass                          pass
# Line 569  class ClassTable(wxPyGridTableBase): Line 581  class ClassTable(wxPyGridTableBase):
581      def GetAttr(self, row, col, someExtraParameter):      def GetAttr(self, row, col, someExtraParameter):
582          """Returns the cell attributes"""          """Returns the cell attributes"""
583    
584          attr = wxGridCellAttr()          return self.__colAttr.get(col, wxGridCellAttr()).Clone()
         #attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter)  
   
         if col == COL_SYMBOL:  
             # we need to create a new renderer each time, because  
             # SetRenderer takes control of the parameter  
             attr.SetRenderer(ClassRenderer(self.shapeType))  
             attr.SetReadOnly()  
   
         return attr  
585    
586      def GetClassGroup(self, row):      def GetClassGroup(self, row):
587          """Return the ClassGroup object representing row 'row'."""          """Return the ClassGroup object representing row 'row'."""
# Line 644  class ClassTable(wxPyGridTableBase): Line 647  class ClassTable(wxPyGridTableBase):
647              self.__NotifyRowChanges(old_len, self.GetNumberRows())              self.__NotifyRowChanges(old_len, self.GetNumberRows())
648    
649    
650  ID_CLASSIFY_OK = 4001  ID_PROPERTY_REVERT = 4002
651  ID_CLASSIFY_CANCEL = 4002  ID_PROPERTY_ADD = 4003
652  ID_CLASSIFY_ADD = 4003  ID_PROPERTY_GENCLASS = 4004
653  ID_CLASSIFY_GENCLASS = 4004  ID_PROPERTY_REMOVE = 4005
654  ID_CLASSIFY_REMOVE = 4005  ID_PROPERTY_MOVEUP = 4006
655  ID_CLASSIFY_MOVEUP = 4006  ID_PROPERTY_MOVEDOWN = 4007
656  ID_CLASSIFY_MOVEDOWN = 4007  ID_PROPERTY_TRY = 4008
657  ID_CLASSIFY_APPLY = 4008  ID_PROPERTY_EDITSYM = 4009
658  ID_CLASSIFY_EDITPROPS = 4009  ID_PROPERTY_SELECT = 4011
659  ID_CLASSIFY_CLOSE = 4010  ID_PROPERTY_TITLE = 4012
660    ID_PROPERTY_FIELDTEXT = 4013
661    
662  BTN_ADD = 0  BTN_ADD = 0
663  BTN_EDIT = 1  BTN_EDIT = 1
# Line 662  BTN_UP = 3 Line 666  BTN_UP = 3
666  BTN_DOWN = 4  BTN_DOWN = 4
667  BTN_RM = 5  BTN_RM = 5
668    
669    EB_LAYER_TITLE = 0
670    EB_SELECT_FIELD = 1
671    EB_GEN_CLASS = 2
672    
673  class Classifier(NonModalDialog):  class Classifier(NonModalDialog):
674    
675      type2string = {None:             _("None"),      type2string = {None:             _("None"),
# Line 670  class Classifier(NonModalDialog): Line 678  class Classifier(NonModalDialog):
678                     FIELDTYPE_DOUBLE: _("Decimal")}                     FIELDTYPE_DOUBLE: _("Decimal")}
679    
680      def __init__(self, parent, name, layer, group = None):      def __init__(self, parent, name, layer, group = None):
681          NonModalDialog.__init__(self, parent, name,          NonModalDialog.__init__(self, parent, name, "")
                                 _("Classifier: %s") % layer.Title())  
682    
683          panel = wxPanel(self, -1, size=(100, 100))          self.__SetTitle(layer.Title())
684    
685          self.layer = layer          self.layer = layer
686    
# Line 683  class Classifier(NonModalDialog): Line 690  class Classifier(NonModalDialog):
690    
691          self.genDlg = None          self.genDlg = None
692    
693          topBox = wxBoxSizer(wxVERTICAL)          ############################
694          panelBox = wxBoxSizer(wxVERTICAL)          # Create the controls
695            #
         #panelBox.Add(wxStaticText(panel, -1, _("Layer: %s") % layer.Title()),  
             #0, wxALIGN_LEFT | wxALL, 4)  
         panelBox.Add(wxStaticText(panel, -1,  
                                 _("Layer Type: %s") % layer.ShapeType()),  
             0, wxALIGN_LEFT | wxALL, 4)  
696    
697            panel = wxPanel(self, -1)
698    
699            text_title = wxTextCtrl(panel, ID_PROPERTY_TITLE, layer.Title())
700          #          #
701          # make field combo box          # make field choice box
702          #          #
703          self.fields = wxComboBox(panel, ID_PROPERTY_SELECT, "",          self.fields = wxChoice(panel, ID_PROPERTY_SELECT,)
                                      style = wxCB_READONLY)  
704    
705          self.num_cols = layer.table.field_count()          self.num_cols = layer.table.NumColumns()
706          # just assume the first field in case one hasn't been          # just assume the first field in case one hasn't been
707          # specified in the file.          # specified in the file.
708          self.__cur_field = 0          self.__cur_field = 0
709    
710          self.fields.Append("<None>")          self.fields.Append("<None>")
711          self.fields.SetClientData(0, None)  
712            if self.originalClass.GetFieldType() is None:
713                self.fields.SetClientData(0, copy.deepcopy(self.originalClass))
714            else:
715                self.fields.SetClientData(0, None)
716    
717          for i in range(self.num_cols):          for i in range(self.num_cols):
718              type, name, len, decc = layer.table.field_info(i)              name = layer.table.Column(i).name
719              self.fields.Append(name)              self.fields.Append(name)
720    
721              if name == field:              if name == field:
# Line 719  class Classifier(NonModalDialog): Line 726  class Classifier(NonModalDialog):
726                  self.fields.SetClientData(i + 1, None)                  self.fields.SetClientData(i + 1, None)
727    
728    
         ###########  
   
729          self.fieldTypeText = wxStaticText(panel, -1, "")          self.fieldTypeText = wxStaticText(panel, -1, "")
         panelBox.Add(self.fieldTypeText, 0,  
                      wxGROW | wxALIGN_LEFT | wxALL | wxADJUST_MINSIZE, 4)  
730    
731          propertyBox = wxBoxSizer(wxHORIZONTAL)          button_gen = wxButton(panel, ID_PROPERTY_GENCLASS, _("Generate Class"))
         propertyBox.Add(wxStaticText(panel, -1, _("Field: ")),  
             0, wxALIGN_LEFT | wxALL, 4)  
         propertyBox.Add(self.fields, 1, wxGROW|wxALL, 4)  
         EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self._OnFieldSelect)  
732    
733          panelBox.Add(propertyBox, 0, wxGROW, 4)          button_add = wxButton(panel, ID_PROPERTY_ADD, _("Add"))
734            button_moveup = wxButton(panel, ID_PROPERTY_MOVEUP, _("Move Up"))
735            button_movedown = wxButton(panel, ID_PROPERTY_MOVEDOWN, _("Move Down"))
736            button_edit = wxButton(panel, ID_PROPERTY_EDITSYM, _("Edit Symbol"))
737            button_remove = wxButton(panel, ID_PROPERTY_REMOVE, _("Remove"))
738    
739    
740          #          button_try = wxButton(panel, ID_PROPERTY_TRY, _("Try"))
741          # Control Box          button_revert = wxButton(panel, ID_PROPERTY_REVERT, _("Revert"))
742          #          button_ok = wxButton(panel, wxID_OK, _("OK"))
743          controlBox = wxBoxSizer(wxHORIZONTAL)          button_ok.SetDefault()
744            button_close = wxButton(panel, wxID_CANCEL, _("Close"))
745    
746            self.classGrid = ClassGrid(panel, self)
747    
748          ###########          # calling __SelectField after creating the classGrid fills in the
749          #          # grid with the correct information
750          # Control buttons:          self.fields.SetSelection(self.__cur_field)
751            self.__SelectField(self.__cur_field, group = group)
752    
753            ############################
754            # Layout the controls
755          #          #
         self.controlButtons = []  
756    
757          controlButtonBox = wxBoxSizer(wxVERTICAL)          topBox = wxBoxSizer(wxVERTICAL)
758            panelBox = wxBoxSizer(wxVERTICAL)
759    
760          button = wxButton(panel, ID_CLASSIFY_ADD, _("Add"))          sizer = wxBoxSizer(wxHORIZONTAL)
761          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)          sizer.Add(wxStaticText(panel, -1, _("Title: ")),
762          self.controlButtons.append(button)              0, wxALIGN_LEFT | wxALL | wxALIGN_CENTER_VERTICAL, 4)
763            sizer.Add(text_title, 1, wxGROW, 0)
         button = wxButton(panel, ID_CLASSIFY_EDITPROPS, _("Edit Properties"))  
         controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)  
         self.controlButtons.append(button)  
   
         button = wxButton(panel, ID_CLASSIFY_GENCLASS, _("Generate Class"))  
         controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)  
         self.controlButtons.append(button)  
   
         button = wxButton(panel, ID_CLASSIFY_MOVEUP, _("Move Up"))  
         controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)  
         self.controlButtons.append(button)  
   
         button = wxButton(panel, ID_CLASSIFY_MOVEDOWN, _("Move Down"))  
         controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)  
         self.controlButtons.append(button)  
   
         controlButtonBox.Add(60, 20, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)  
   
         button = wxButton(panel, ID_CLASSIFY_REMOVE, _("Remove"))  
         controlButtonBox.Add(button, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)  
         self.controlButtons.append(button)  
764    
765            panelBox.Add(sizer, 0, wxGROW, 4)
766    
767          ###########          panelBox.Add(wxStaticText(panel, -1,
768          #                                  _("Type: %s") % layer.ShapeType()),
769          # Classification data table              0, wxALIGN_LEFT | wxALL, 4)
         #  
770    
771          self.classGrid = ClassGrid(panel, self)          classBox = wxStaticBoxSizer(
772          #self.__SetGridTable(self.__cur_field, group)                      wxStaticBox(panel, -1, _("Classification")), wxVERTICAL)
         #self.fields.SetSelection(self.__cur_field)  
773    
         # calling __SelectField after creating the classGrid fills in the  
         # grid with the correct information  
         self.fields.SetSelection(self.__cur_field)  
         self.__SelectField(self.__cur_field, group = group)  
774    
775          #self.classGrid.SelectGroup(group)          sizer = wxBoxSizer(wxHORIZONTAL)
776            sizer.Add(wxStaticText(panel, ID_PROPERTY_FIELDTEXT, _("Field: ")),
777                0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)
778            sizer.Add(self.fields, 1, wxGROW | wxALL, 4)
779    
780          controlBox.Add(self.classGrid, 1, wxGROW, 0)          classBox.Add(sizer, 0, wxGROW, 4)
781    
782            classBox.Add(self.fieldTypeText, 0,
783                         wxGROW | wxALIGN_LEFT | wxALL | wxADJUST_MINSIZE, 4)
784    
785            controlBox = wxBoxSizer(wxHORIZONTAL)
786            controlButtonBox = wxBoxSizer(wxVERTICAL)
787    
788            controlButtonBox.Add(button_gen, 0, wxGROW|wxALL, 4)
789            controlButtonBox.Add(button_add, 0, wxGROW|wxALL, 4)
790            controlButtonBox.Add(button_moveup, 0, wxGROW|wxALL, 4)
791            controlButtonBox.Add(button_movedown, 0, wxGROW|wxALL, 4)
792            controlButtonBox.Add(button_edit, 0, wxGROW|wxALL, 4)
793            controlButtonBox.Add(60, 20, 0, wxGROW|wxALL|wxALIGN_BOTTOM, 4)
794            controlButtonBox.Add(button_remove, 0, wxGROW|wxALL|wxALIGN_BOTTOM, 4)
795    
796            controlBox.Add(self.classGrid, 1, wxGROW, 0)
797          controlBox.Add(controlButtonBox, 0, wxGROW, 10)          controlBox.Add(controlButtonBox, 0, wxGROW, 10)
         panelBox.Add(controlBox, 1, wxGROW, 10)  
798    
799          EVT_BUTTON(self, ID_CLASSIFY_ADD, self._OnAdd)          classBox.Add(controlBox, 1, wxGROW, 10)
800          EVT_BUTTON(self, ID_CLASSIFY_EDITPROPS, self._OnEditGroupProperties)          panelBox.Add(classBox, 1, wxGROW, 0)
         EVT_BUTTON(self, ID_CLASSIFY_REMOVE, self._OnRemove)  
         EVT_BUTTON(self, ID_CLASSIFY_GENCLASS, self._OnGenClass)  
         EVT_BUTTON(self, ID_CLASSIFY_MOVEUP, self._OnMoveUp)  
         EVT_BUTTON(self, ID_CLASSIFY_MOVEDOWN, self._OnMoveDown)  
801    
         ###########  
802    
803          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
804          buttonBox.Add(wxButton(panel, ID_CLASSIFY_OK, _("OK")),          buttonBox.Add(button_try, 0, wxALL, 4)
                       0, wxALL, 4)  
805          buttonBox.Add(60, 20, 0, wxALL, 4)          buttonBox.Add(60, 20, 0, wxALL, 4)
806          buttonBox.Add(wxButton(panel, ID_CLASSIFY_APPLY, _("Apply")),          buttonBox.Add(button_revert, 0, wxALL, 4)
                       0, wxALL, 4)  
807          buttonBox.Add(60, 20, 0, wxALL, 4)          buttonBox.Add(60, 20, 0, wxALL, 4)
808          buttonBox.Add(wxButton(panel, ID_CLASSIFY_CLOSE, _("Close")),          buttonBox.Add(button_ok, 0, wxALL, 4)
                       0, wxALL, 4)  
809          buttonBox.Add(60, 20, 0, wxALL, 4)          buttonBox.Add(60, 20, 0, wxALL, 4)
810          buttonBox.Add(wxButton(panel, ID_CLASSIFY_CANCEL, _("Cancel")),          buttonBox.Add(button_close, 0, wxALL, 4)
811                        0, wxALL, 4)          panelBox.Add(buttonBox, 0,
812          panelBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 0)              wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 0)
   
         EVT_BUTTON(self, ID_CLASSIFY_OK, self._OnOK)  
         EVT_BUTTON(self, ID_CLASSIFY_APPLY, self._OnApply)  
         EVT_BUTTON(self, ID_CLASSIFY_CLOSE, self._OnCloseBtn)  
         EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self._OnCancel)  
   
         ###########  
   
813    
814          panel.SetAutoLayout(True)          panel.SetAutoLayout(True)
815          panel.SetSizer(panelBox)          panel.SetSizer(panelBox)
816            panelBox.Fit(panel)
817          panelBox.SetSizeHints(panel)          panelBox.SetSizeHints(panel)
818    
819          topBox.Add(panel, 1, wxGROW, 0)          topBox.Add(panel, 1, wxGROW | wxALL, 4)
820          panelBox.SetSizeHints(self)  
821          self.SetAutoLayout(True)          self.SetAutoLayout(True)
822          self.SetSizer(topBox)          self.SetSizer(topBox)
823            topBox.Fit(self)
824            topBox.SetSizeHints(self)
825            self.Layout()
826    
827            ###########
828    
829            EVT_CHOICE(self, ID_PROPERTY_SELECT, self._OnFieldSelect)
830            EVT_TEXT(self, ID_PROPERTY_TITLE, self._OnTitleChanged)
831            EVT_BUTTON(self, wxID_OK, self._OnOK)
832            EVT_BUTTON(self, ID_PROPERTY_TRY, self._OnTry)
833            EVT_BUTTON(self, wxID_CANCEL, self._OnCloseBtn)
834            EVT_BUTTON(self, ID_PROPERTY_REVERT, self._OnRevert)
835    
836            EVT_BUTTON(self, ID_PROPERTY_ADD, self._OnAdd)
837            EVT_BUTTON(self, ID_PROPERTY_EDITSYM, self._OnEditSymbol)
838            EVT_BUTTON(self, ID_PROPERTY_REMOVE, self._OnRemove)
839            EVT_BUTTON(self, ID_PROPERTY_GENCLASS, self._OnGenClass)
840            EVT_BUTTON(self, ID_PROPERTY_MOVEUP, self._OnMoveUp)
841            EVT_BUTTON(self, ID_PROPERTY_MOVEDOWN, self._OnMoveDown)
842    
         #self.Fit()  
843          ######################          ######################
844    
845            self.fields.SetFocus()
846          self.haveApplied = False          self.haveApplied = False
847    
848      def EditGroupProperties(self, row):      def EditSymbol(self, row):
849          table = self.classGrid.GetTable()          table = self.classGrid.GetTable()
850          prop = table.GetValueAsCustom(row, COL_SYMBOL, None)          prop = table.GetValueAsCustom(row, COL_SYMBOL, None)
851    
# Line 918  class Classifier(NonModalDialog): Line 920  class Classifier(NonModalDialog):
920    
921          text = Classifier.type2string[fieldType]          text = Classifier.type2string[fieldType]
922    
923          self.fieldTypeText.SetLabel(_("Field Type: %s") % text)          self.fieldTypeText.SetLabel(_("Data Type: %s") % text)
924    
925      def __SelectField(self, newIndex, oldIndex = -1, group = None):      def __SelectField(self, newIndex, oldIndex = -1, group = None):
926          """This method assumes that the current selection for the          """This method assumes that the current selection for the
# Line 933  class Classifier(NonModalDialog): Line 935  class Classifier(NonModalDialog):
935    
936          self.__SetGridTable(newIndex, group)          self.__SetGridTable(newIndex, group)
937    
938          enabled = newIndex != 0          self.__EnableButtons(EB_SELECT_FIELD, newIndex != 0)
   
         for b in self.controlButtons:  
             b.Enable(enabled)  
939    
940          self.__SetFieldTypeText(newIndex)          self.__SetFieldTypeText(newIndex)
941    
942        def __SetTitle(self, title):
943            if title != "":
944                title = ": " + title
945    
946            self.SetTitle(_("Layer Properties") + title)
947    
948      def _OnEditGroupProperties(self, event):      def _OnEditSymbol(self, event):
949          sel = self.classGrid.GetCurrentSelection()          sel = self.classGrid.GetCurrentSelection()
950    
951          if len(sel) == 1:          if len(sel) == 1:
952              self.EditGroupProperties(sel[0])              self.EditSymbol(sel[0])
953    
954      def _OnFieldSelect(self, event):      def _OnFieldSelect(self, event):
955          index = self.fields.GetSelection()          index = self.fields.GetSelection()
956          self.__SelectField(index, self.__cur_field)          self.__SelectField(index, self.__cur_field)
957          self.__cur_field = index          self.__cur_field = index
958    
959      def _OnApply(self, event):      def _OnTry(self, event):
960          """Put the data from the table into a new Classification and hand          """Put the data from the table into a new Classification and hand
961             it to the layer.             it to the layer.
962          """          """
# Line 963  class Classifier(NonModalDialog): Line 967  class Classifier(NonModalDialog):
967          # only build the classification if there wasn't one to          # only build the classification if there wasn't one to
968          # to begin with or it has been modified          # to begin with or it has been modified
969          #          #
970            self.classGrid.SaveEditControlValue()
971          if clazz is None or self.classGrid.GetTable().IsModified():          if clazz is None or self.classGrid.GetTable().IsModified():
972              clazz = self.__BuildClassification(self.__cur_field, True)              clazz = self.__BuildClassification(self.__cur_field, True)
973    
# Line 971  class Classifier(NonModalDialog): Line 976  class Classifier(NonModalDialog):
976          self.haveApplied = True          self.haveApplied = True
977    
978      def _OnOK(self, event):      def _OnOK(self, event):
979          self._OnApply(event)          self._OnTry(event)
980          self.Close()          self.Close()
981    
982        def OnClose(self, event):
983            NonModalDialog.OnClose(self, event)
984    
985      def _OnCloseBtn(self, event):      def _OnCloseBtn(self, event):
986          """Close is similar to Cancel except that any changes that were          """Close is similar to Cancel except that any changes that were
987          made and applied remain applied, but the currently displayed          made and applied remain applied, but the currently displayed
# Line 982  class Classifier(NonModalDialog): Line 990  class Classifier(NonModalDialog):
990    
991          self.Close()          self.Close()
992    
993      def _OnCancel(self, event):      def _OnRevert(self, event):
994          """The layer's current classification stays the same."""          """The layer's current classification stays the same."""
995          if self.haveApplied:          if self.haveApplied:
996              self.layer.SetClassification(self.originalClass)              self.layer.SetClassification(self.originalClass)
997    
998          self.Close()          #self.Close()
999    
1000      def _OnAdd(self, event):      def _OnAdd(self, event):
1001          self.classGrid.AppendRows()          self.classGrid.AppendRows()
# Line 997  class Classifier(NonModalDialog): Line 1005  class Classifier(NonModalDialog):
1005    
1006      def _OnGenClass(self, event):      def _OnGenClass(self, event):
1007    
         #if self.genDlg is None:  
1008          self.genDlg = ClassGenDialog(self, self.layer,          self.genDlg = ClassGenDialog(self, self.layer,
1009                            self.fields.GetString(self.__cur_field))                            self.fields.GetString(self.__cur_field))
1010    
1011          EVT_CLOSE(self.genDlg, self._OnGenDialogClose)          EVT_CLOSE(self.genDlg, self._OnGenDialogClose)
1012    
1013          self.fields.Enable(False)          self.__EnableButtons(EB_GEN_CLASS, False)
         self.controlButtons[BTN_EDIT].Enable(False)  
         self.controlButtons[BTN_GEN].Enable(False)  
1014    
1015          self.genDlg.Show()          self.genDlg.Show()
         #if self.genDlg.ShowModal() == wxID_OK:  
         #    clazz = self.genDlg.GetClassification()  
         #    self.fields.SetClientData(self.__cur_field, clazz)  
         #    self.classGrid.GetTable().SetClassification(clazz)  
         #self.Enable(True)  
         #self.genDlg.Destroy()  
1016    
1017      def _OnGenDialogClose(self, event):      def _OnGenDialogClose(self, event):
1018          self.genDlg.Destroy()          self.genDlg.Destroy()
1019            self.__EnableButtons(EB_GEN_CLASS, True)
         self.fields.Enable(True)  
         self.controlButtons[BTN_EDIT].Enable(True)  
         self.controlButtons[BTN_GEN].Enable(True)  
1020    
1021      def _OnMoveUp(self, event):      def _OnMoveUp(self, event):
1022          sel = self.classGrid.GetCurrentSelection()          sel = self.classGrid.GetCurrentSelection()
# Line 1052  class Classifier(NonModalDialog): Line 1048  class Classifier(NonModalDialog):
1048                  self.classGrid.SelectRow(i + 1)                  self.classGrid.SelectRow(i + 1)
1049                  self.classGrid.MakeCellVisible(i + 1, 0)                  self.classGrid.MakeCellVisible(i + 1, 0)
1050    
1051        def _OnTitleChanged(self, event):
1052            obj = event.GetEventObject()
1053    
1054            self.layer.SetTitle(obj.GetValue())
1055            self.__SetTitle(self.layer.Title())
1056    
1057            self.__EnableButtons(EB_LAYER_TITLE, self.layer.Title() != "")
1058    
1059        def __EnableButtons(self, case, enable):
1060    
1061            if case == EB_LAYER_TITLE:  
1062                list = (wxID_OK,
1063                        wxID_CANCEL)
1064    
1065            elif case == EB_SELECT_FIELD:
1066                list = (ID_PROPERTY_GENCLASS,
1067                        ID_PROPERTY_ADD,
1068                        ID_PROPERTY_MOVEUP,
1069                        ID_PROPERTY_MOVEDOWN,
1070                        ID_PROPERTY_EDITSYM,
1071                        ID_PROPERTY_REMOVE)
1072    
1073            elif case == EB_GEN_CLASS:
1074                list = (ID_PROPERTY_SELECT,
1075                        ID_PROPERTY_FIELDTEXT,
1076                        ID_PROPERTY_GENCLASS,
1077                        ID_PROPERTY_EDITSYM)
1078    
1079            for id in list:
1080                self.FindWindowById(id).Enable(enable)
1081    
 ID_SELPROP_OK = 4001  
 ID_SELPROP_CANCEL = 4002  
1082  ID_SELPROP_SPINCTRL = 4002  ID_SELPROP_SPINCTRL = 4002
1083  ID_SELPROP_PREVIEW = 4003  ID_SELPROP_PREVIEW = 4003
1084  ID_SELPROP_STROKECLR = 4004  ID_SELPROP_STROKECLR = 4004
# Line 1093  class SelectPropertiesDialog(wxDialog): Line 1117  class SelectPropertiesDialog(wxDialog):
1117          ctrlBox = wxBoxSizer(wxVERTICAL)          ctrlBox = wxBoxSizer(wxVERTICAL)
1118    
1119          lineColorBox = wxBoxSizer(wxHORIZONTAL)          lineColorBox = wxBoxSizer(wxHORIZONTAL)
1120          lineColorBox.Add(          button = wxButton(self, ID_SELPROP_STROKECLR, _("Change Line Color"))
1121              wxButton(self, ID_SELPROP_STROKECLR, _("Change Line Color")),          button.SetFocus()
1122              1, wxALL | wxGROW, 4)          lineColorBox.Add(button, 1, wxALL | wxGROW, 4)
1123          EVT_BUTTON(self, ID_SELPROP_STROKECLR, self._OnChangeLineColor)          EVT_BUTTON(self, ID_SELPROP_STROKECLR, self._OnChangeLineColor)
1124    
1125          lineColorBox.Add(          lineColorBox.Add(
# Line 1141  class SelectPropertiesDialog(wxDialog): Line 1165  class SelectPropertiesDialog(wxDialog):
1165          # Control buttons:          # Control buttons:
1166          #          #
1167          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
1168          buttonBox.Add(wxButton(self, ID_SELPROP_OK, _("OK")),          button_ok = wxButton(self, wxID_OK, _("OK"))
1169                        0, wxALL, 4)          button_ok.SetDefault()
1170          buttonBox.Add(wxButton(self, ID_SELPROP_CANCEL, _("Cancel")),          buttonBox.Add(button_ok, 0, wxALL, 4)
1171            buttonBox.Add(wxButton(self, wxID_CANCEL, _("Cancel")),
1172                        0, wxALL, 4)                        0, wxALL, 4)
1173          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)
1174                                                                                                                                                                    
1175          EVT_BUTTON(self, ID_SELPROP_OK, self._OnOK)          #EVT_BUTTON(self, wxID_OK, self._OnOK)
1176          EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel)          #EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel)
1177                                                                                                                                                                    
1178          self.SetAutoLayout(True)          self.SetAutoLayout(True)
1179          self.SetSizer(topBox)          self.SetSizer(topBox)
1180          topBox.Fit(self)          topBox.Fit(self)
1181          topBox.SetSizeHints(self)          topBox.SetSizeHints(self)
1182    
1183      def _OnOK(self, event):      def OnOK(self, event):
1184          self.EndModal(wxID_OK)          self.EndModal(wxID_OK)
1185    
1186      def _OnCancel(self, event):      def OnCancel(self, event):
1187          self.EndModal(wxID_CANCEL)          self.EndModal(wxID_CANCEL)
1188    
1189      def _OnSpin(self, event):      def _OnSpin(self, event):
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