/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/Model/classification.py
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revision 544 by jonathan, Thu Mar 20 09:43:48 2003 UTC revision 609 by jonathan, Fri Apr 4 13:55:59 2003 UTC
# Line 150  class Classification: Line 150  class Classification:
150                  self.layer = None                  self.layer = None
151                  l.SetClassification(None)                  l.SetClassification(None)
152          else:          else:
153              assert(isinstance(layer, Thuban.Model.layer.Layer))              assert isinstance(layer, Thuban.Model.layer.Layer)
154    
155              old_layer = self.layer              old_layer = self.layer
156    
# Line 177  class Classification: Line 177  class Classification:
177             group -- group that the value maps to.             group -- group that the value maps to.
178          """          """
179    
180          assert(isinstance(group, ClassGroupDefault))          assert isinstance(group, ClassGroupDefault)
181          self.AddGroup(group)          self.AddGroup(group)
182    
183      def GetDefaultGroup(self):      def GetDefaultGroup(self):
# Line 195  class Classification: Line 195  class Classification:
195    
196          fill -- a Color object.          fill -- a Color object.
197          """          """
198          assert(isinstance(fill, Color))          assert isinstance(fill, Color)
199          self.GetDefaultGroup().GetProperties().SetFill(fill)          self.GetDefaultGroup().GetProperties().SetFill(fill)
200          self.__SendNotification()          self.__SendNotification()
201                    
# Line 208  class Classification: Line 208  class Classification:
208    
209          color -- a Color object.          color -- a Color object.
210          """          """
211          assert(isinstance(color, Color))          assert isinstance(color, Color)
212          self.GetDefaultGroup().GetProperties().SetLineColor(color)          self.GetDefaultGroup().GetProperties().SetLineColor(color)
213          self.__SendNotification()          self.__SendNotification()
214                    
# Line 221  class Classification: Line 221  class Classification:
221    
222          lineWidth -- an integer > 0.          lineWidth -- an integer > 0.
223          """          """
224          assert(isinstance(lineWidth, IntType))          assert isinstance(lineWidth, IntType)
225          self.GetDefaultGroup().GetProperties().SetLineWidth(lineWidth)          self.GetDefaultGroup().GetProperties().SetLineWidth(lineWidth)
226          self.__SendNotification()          self.__SendNotification()
227                    
# Line 235  class Classification: Line 235  class Classification:
235          item -- this must be a valid ClassGroup object          item -- this must be a valid ClassGroup object
236          """          """
237    
238          assert(isinstance(item, ClassGroup))          assert isinstance(item, ClassGroup)
239    
240          if len(self.groups) > 0 and isinstance(item, ClassGroupDefault):          if len(self.groups) > 0 and isinstance(item, ClassGroupDefault):
241              self.groups[0] = item              self.groups[0] = item
# Line 277  class Classification: Line 277  class Classification:
277          items = []          items = []
278    
279          def build_color_item(text, color):          def build_color_item(text, color):
280              if color is Color.None:              if color is Color.Transparent:
281                  return ("%s: %s" % (text, _("None")), None)                  return ("%s: %s" % (text, _("None")), None)
282    
283              return ("%s: (%.3f, %.3f, %.3f)" %              return ("%s: (%.3f, %.3f, %.3f)" %
# Line 373  class ClassGroupProperties: Line 373  class ClassGroupProperties:
373          props -- a ClassGroupProperties object. The class is copied if          props -- a ClassGroupProperties object. The class is copied if
374                   prop is not None. Otherwise, a default set of properties                   prop is not None. Otherwise, a default set of properties
375                   is created such that: line color = Color.Black, line width = 1,                   is created such that: line color = Color.Black, line width = 1,
376                   and fill color = Color.None                   and fill color = Color.Transparent
377          """          """
378    
379          self.stroke = None          self.stroke = None
# Line 385  class ClassGroupProperties: Line 385  class ClassGroupProperties:
385          else:          else:
386              self.SetLineColor(Color.Black)              self.SetLineColor(Color.Black)
387              self.SetLineWidth(1)              self.SetLineWidth(1)
388              self.SetFill(Color.None)              self.SetFill(Color.Transparent)
389    
390      def SetProperties(self, props):      def SetProperties(self, props):
391          """Set this class's properties to those in class props."""          """Set this class's properties to those in class props."""
392    
393          assert(isinstance(props, ClassGroupProperties))          assert isinstance(props, ClassGroupProperties)
394          self.SetLineColor(props.GetLineColor())          self.SetLineColor(props.GetLineColor())
395          self.SetLineWidth(props.GetLineWidth())          self.SetLineWidth(props.GetLineWidth())
396          self.SetFill(props.GetFill())          self.SetFill(props.GetFill())
# Line 405  class ClassGroupProperties: Line 405  class ClassGroupProperties:
405          color -- the color of the line. This must be a Color object.          color -- the color of the line. This must be a Color object.
406          """          """
407    
408          assert(isinstance(color, Color))          assert isinstance(color, Color)
409          self.stroke = color          self.stroke = color
410    
411      def GetLineWidth(self):      def GetLineWidth(self):
# Line 417  class ClassGroupProperties: Line 417  class ClassGroupProperties:
417    
418          lineWidth -- the new line width. This must be > 0.          lineWidth -- the new line width. This must be > 0.
419          """          """
420          assert(isinstance(lineWidth, IntType))          assert isinstance(lineWidth, IntType)
421          if (lineWidth < 1):          if (lineWidth < 1):
422              raise ValueError(_("lineWidth < 1"))              raise ValueError(_("lineWidth < 1"))
423    
# Line 433  class ClassGroupProperties: Line 433  class ClassGroupProperties:
433          fill -- the color of the fill. This must be a Color object.          fill -- the color of the fill. This must be a Color object.
434          """          """
435    
436          assert(isinstance(fill, Color))          assert isinstance(fill, Color)
437          self.fill = fill          self.fill = fill
438    
439      def __eq__(self, other):      def __eq__(self, other):
# Line 450  class ClassGroupProperties: Line 450  class ClassGroupProperties:
450      def __copy__(self):      def __copy__(self):
451          return ClassGroupProperties(self)          return ClassGroupProperties(self)
452    
453        def __deepcopy__(self):
454            return ClassGroupProperties(self)
455    
456  class ClassGroup:  class ClassGroup:
457      """A base class for all Groups within a Classification"""      """A base class for all Groups within a Classification"""
458    
# Line 473  class ClassGroup: Line 476  class ClassGroup:
476          label -- a string representing the Group's label. This must          label -- a string representing the Group's label. This must
477                   not be None.                   not be None.
478          """          """
479          assert(isinstance(label, StringType))          assert isinstance(label, StringType)
480          self.label = label          self.label = label
481    
482      def GetDisplayText(self):      def GetDisplayText(self):
483          assert(False, "GetDisplay must be overridden by subclass!")          assert False, "GetDisplay must be overridden by subclass!"
484          return ""          return ""
485    
486      def Matches(self, value):      def Matches(self, value):
# Line 485  class ClassGroup: Line 488  class ClassGroup:
488    
489          Returns False. This needs to be overridden by all subclasses.          Returns False. This needs to be overridden by all subclasses.
490          """          """
491          assert(False, "GetMatches must be overridden by subclass!")          assert False, "GetMatches must be overridden by subclass!"
492          return False          return False
493    
494      def GetProperties(self):      def GetProperties(self):
# Line 493  class ClassGroup: Line 496  class ClassGroup:
496    
497          Returns None. This needs to be overridden by all subclasses.          Returns None. This needs to be overridden by all subclasses.
498          """          """
499          assert(False, "GetProperties must be overridden by subclass!")          assert False, "GetProperties must be overridden by subclass!"
500          return None          return None
501    
502            
# Line 556  class ClassGroupSingleton(ClassGroup): Line 559  class ClassGroupSingleton(ClassGroup):
559          """          """
560    
561          if prop is None: prop = ClassGroupProperties()          if prop is None: prop = ClassGroupProperties()
562          assert(isinstance(prop, ClassGroupProperties))          assert isinstance(prop, ClassGroupProperties)
563          self.prop = prop          self.prop = prop
564    
565      def GetDisplayText(self):      def GetDisplayText(self):
# Line 613  class ClassGroupDefault(ClassGroup): Line 616  class ClassGroupDefault(ClassGroup):
616          """          """
617    
618          if prop is None: prop = ClassGroupProperties()          if prop is None: prop = ClassGroupProperties()
619          assert(isinstance(prop, ClassGroupProperties))          assert isinstance(prop, ClassGroupProperties)
620          self.prop = prop          self.prop = prop
621    
622      def GetDisplayText(self):      def GetDisplayText(self):
# Line 732  class ClassGroupRange(ClassGroup): Line 735  class ClassGroupRange(ClassGroup):
735                  a default set of properties is created.                  a default set of properties is created.
736          """          """
737          if prop is None: prop = ClassGroupProperties()          if prop is None: prop = ClassGroupProperties()
738          assert(isinstance(prop, ClassGroupProperties))          assert isinstance(prop, ClassGroupProperties)
739          self.prop = prop          self.prop = prop
740    
741      def GetDisplayText(self):      def GetDisplayText(self):
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