/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/Model/classification.py
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revision 1912 by bh, Mon Nov 3 13:55:41 2003 UTC revision 2374 by jan, Sun Oct 3 21:01:31 2004 UTC
# Line 315  class Classification(Publisher): Line 315  class Classification(Publisher):
315              items.append(build_item(p, p.GetDisplayText()))              items.append(build_item(p, p.GetDisplayText()))
316    
317          return (_("Classification"), items)          return (_("Classification"), items)
318    
319  class ClassIterator:  class ClassIterator:
320      """Allows the Groups in a Classifcation to be interated over.      """Allows the Groups in a Classifcation to be interated over.
321    
# Line 327  class ClassIterator: Line 327  class ClassIterator:
327          """Constructor.          """Constructor.
328    
329          default -- the default group          default -- the default group
330    
331          points -- a list of singleton groups          points -- a list of singleton groups
332    
333          ranges -- a list of range groups          ranges -- a list of range groups
334    
335          maps -- a list of map groups          maps -- a list of map groups
336          """          """
337    
# Line 350  class ClassIterator: Line 350  class ClassIterator:
350              d = self.data[self.data_index]              d = self.data[self.data_index]
351              self.data_index += 1              self.data_index += 1
352              return d              return d
353            
354  class ClassGroupProperties:  class ClassGroupProperties:
355      """Represents the properties of a single Classification Group.      """Represents the properties of a single Classification Group.
356      
357      These are used when rendering a layer."""      These are used when rendering a layer."""
358    
359        # TODO: Actually, size is only relevant for point objects.
360        # Eventually it should be spearated, e.g. when introducing symbols.
361    
362      def __init__(self, props = None):      def __init__(self, props = None):
363          """Constructor.          """Constructor.
364    
365          props -- a ClassGroupProperties object. The class is copied if          props -- a ClassGroupProperties object. The class is copied if
366                   prop is not None. Otherwise, a default set of properties                   prop is not None. Otherwise, a default set of properties
367                   is created such that: line color = Black, line width = 1,                   is created such that: line color = Black, line width = 1,
368                   and fill color = Transparent                   size = 5 and fill color = Transparent
369          """          """
370    
371          if props is not None:          if props is not None:
# Line 370  class ClassGroupProperties: Line 373  class ClassGroupProperties:
373          else:          else:
374              self.SetLineColor(Black)              self.SetLineColor(Black)
375              self.SetLineWidth(1)              self.SetLineWidth(1)
376                self.SetSize(5)
377              self.SetFill(Transparent)              self.SetFill(Transparent)
378    
379      def SetProperties(self, props):      def SetProperties(self, props):
# Line 378  class ClassGroupProperties: Line 382  class ClassGroupProperties:
382          assert isinstance(props, ClassGroupProperties)          assert isinstance(props, ClassGroupProperties)
383          self.SetLineColor(props.GetLineColor())          self.SetLineColor(props.GetLineColor())
384          self.SetLineWidth(props.GetLineWidth())          self.SetLineWidth(props.GetLineWidth())
385            self.SetSize(props.GetSize())
386          self.SetFill(props.GetFill())          self.SetFill(props.GetFill())
387            
388      def GetLineColor(self):      def GetLineColor(self):
389          """Return the line color as a Color object."""          """Return the line color as a Color object."""
390          return self.__stroke          return self.__stroke
# Line 407  class ClassGroupProperties: Line 412  class ClassGroupProperties:
412    
413          self.__strokeWidth = lineWidth          self.__strokeWidth = lineWidth
414    
415        def GetSize(self):
416            """Return the size."""
417            return self.__size
418    
419        def SetSize(self, size):
420            """Set the size.
421    
422            size -- the new size. This must be > 0.
423            """
424            assert isinstance(size, types.IntType)
425            if (size < 1):
426                raise ValueError(_("size < 1"))
427    
428            self.__size = size
429    
430      def GetFill(self):      def GetFill(self):
431          """Return the fill color as a Color object."""          """Return the fill color as a Color object."""
432          return self.__fill          return self.__fill
433    
434      def SetFill(self, fill):      def SetFill(self, fill):
435          """Set the fill color.          """Set the fill color.
436    
# Line 431  class ClassGroupProperties: Line 451  class ClassGroupProperties:
451                   self.__stroke == other.__stroke)        \                   self.__stroke == other.__stroke)        \
452              and (self.__fill is other.__fill or          \              and (self.__fill is other.__fill or          \
453                   self.__fill == other.__fill)            \                   self.__fill == other.__fill)            \
454              and self.__strokeWidth == other.__strokeWidth              and self.__strokeWidth == other.__strokeWidth\
455                and self.__size == other.__size
456    
457      def __ne__(self, other):      def __ne__(self, other):
458          return not self.__eq__(other)          return not self.__eq__(other)
# Line 443  class ClassGroupProperties: Line 464  class ClassGroupProperties:
464          return ClassGroupProperties(self)          return ClassGroupProperties(self)
465    
466      def __repr__(self):      def __repr__(self):
467          return repr((self.__stroke, self.__strokeWidth, self.__fill))          return repr((self.__stroke, self.__strokeWidth, self.__size,
468                        self.__fill))
469    
470  class ClassGroup:  class ClassGroup:
471      """A base class for all Groups within a Classification"""      """A base class for all Groups within a Classification"""
# Line 466  class ClassGroup: Line 488  class ClassGroup:
488      def GetLabel(self):      def GetLabel(self):
489          """Return the Group's label."""          """Return the Group's label."""
490          return self.label          return self.label
491    
492      def SetLabel(self, label):      def SetLabel(self, label):
493          """Set the Group's label.          """Set the Group's label.
494    
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