/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/Model/load.py
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revision 365 by jonathan, Mon Jan 27 11:47:53 2003 UTC revision 413 by jonathan, Wed Feb 19 16:52:04 2003 UTC
# Line 2  Line 2 
2  # Authors:  # Authors:
3  # Jan-Oliver Wagner <[email protected]>  # Jan-Oliver Wagner <[email protected]>
4  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
5    # Jonathan Coles <[email protected]>
6  #  #
7  # This program is free software under the GPL (>=v2)  # This program is free software under the GPL (>=v2)
8  # Read the file COPYING coming with GRASS for details.  # Read the file COPYING coming with GRASS for details.
# Line 18  import xml.sax Line 19  import xml.sax
19  import xml.sax.handler  import xml.sax.handler
20  from xml.sax import make_parser, ErrorHandler  from xml.sax import make_parser, ErrorHandler
21    
22    from Thuban import _
23    from Thuban.common import *
24    
25  from Thuban.Model.session import Session  from Thuban.Model.session import Session
26  from Thuban.Model.map import Map  from Thuban.Model.map import Map
27  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer
28  from Thuban.Model.color import Color  from Thuban.Model.color import Color
29  from Thuban.Model.proj import Projection  from Thuban.Model.proj import Projection
30  from Thuban.Model.classification import Classification  from Thuban.Model.classification import Classification, \
31        ClassDataDefault, ClassDataPoint, ClassDataRange, ClassDataMap
32    
33    
34  def parse_color(color):  def parse_color(color):
# Line 34  def parse_color(color): Line 39  def parse_color(color):
39      """      """
40      color = string.strip(color)      color = string.strip(color)
41      if color == "None":      if color == "None":
42          result = None          result = Color.None
43      elif color[0] == '#':      elif color[0] == '#':
44          if len(color) == 7:          if len(color) == 7:
45              r = string.atoi(color[1:3], 16) / 255.0              r = string.atoi(color[1:3], 16) / 255.0
# Line 42  def parse_color(color): Line 47  def parse_color(color):
47              b = string.atoi(color[5:7], 16) / 255.0              b = string.atoi(color[5:7], 16) / 255.0
48              result = Color(r, g, b)              result = Color(r, g, b)
49          else:          else:
50              raise ValueError("Invalid hexadecimal color specification %s"              raise ValueError(_("Invalid hexadecimal color specification %s")
51                               % color)                               % color)
52      else:      else:
53          raise ValueError("Invalid color specification %s" % color)          raise ValueError(_("Invalid color specification %s") % color)
54      return result      return result
55    
56    
# Line 153  class ProcessSession(xml.sax.handler.Con Line 158  class ProcessSession(xml.sax.handler.Con
158      end_dispatcher['layer'] = "end_layer"      end_dispatcher['layer'] = "end_layer"
159    
160      def start_classification(self, name, qname, attrs):      def start_classification(self, name, qname, attrs):
161          self.aLayer.classification.setField(attrs.get((None, 'field'), None))          self.aLayer.GetClassification().SetField(
162                attrs.get((None, 'field'), None))
163      start_dispatcher['classification'] = "start_classification"      start_dispatcher['classification'] = "start_classification"
164    
165      def end_classification(self, name, qname):      def end_classification(self, name, qname):
# Line 161  class ProcessSession(xml.sax.handler.Con Line 167  class ProcessSession(xml.sax.handler.Con
167      end_dispatcher['classification'] = "end_classification"      end_dispatcher['classification'] = "end_classification"
168    
169      def start_clnull(self, name, qname, attrs):      def start_clnull(self, name, qname, attrs):
170          self.cl_data = {}          self.cl_data = ClassDataDefault()
171            self.cl_data.SetLabel(attrs.get((None, 'label'), ""))
172      start_dispatcher['clnull'] = "start_clnull"      start_dispatcher['clnull'] = "start_clnull"
173    
174      def end_clnull(self, name, qname):      def end_clnull(self, name, qname):
175          self.aLayer.classification.setNull(self.cl_data)          self.aLayer.GetClassification().SetDefaultData(self.cl_data)
176          del self.cl_data          del self.cl_data
177      end_dispatcher['clnull'] = "end_clnull"      end_dispatcher['clnull'] = "end_clnull"
178    
# Line 173  class ProcessSession(xml.sax.handler.Con Line 180  class ProcessSession(xml.sax.handler.Con
180          attrib_value = attrs.get((None, 'value'), "0")          attrib_value = attrs.get((None, 'value'), "0")
181    
182          try:          try:
183              self.cl_value  = int(attrib_value)              value  = Str2Num(attrib_value)
184          except:          except:
185              self.cl_value  = attrib_value              value  = attrib_value
186    
187            self.cl_data = ClassDataPoint(value)
188            self.cl_data.SetLabel(attrs.get((None, 'label'), ""))
189    
         self.cl_data = {}  
190      start_dispatcher['clpoint'] = "start_clpoint"      start_dispatcher['clpoint'] = "start_clpoint"
191    
192      def end_clpoint(self, name, qname):      def end_clpoint(self, name, qname):
193          self.aLayer.classification.addPoint(self.cl_value, self.cl_data)          self.aLayer.GetClassification().AddClassData(self.cl_data)
194          del self.cl_value, self.cl_data          del self.cl_data
195      end_dispatcher['clpoint'] = "end_clpoint"      end_dispatcher['clpoint'] = "end_clpoint"
196    
197      def start_clrange(self, name, qname, attrs):      def start_clrange(self, name, qname, attrs):
198    
199          try:          try:
200              self.cl_low = int(attrs.get((None, 'low'), "0"))              min = Str2Num(attrs.get((None, 'min'), "0"))
201              self.cl_high = int(attrs.get((None, 'high'), "0"))              max = Str2Num(attrs.get((None, 'max'), "0"))
202          except ValueError:          except ValueError:
203              raise ValueError("Classification range is not a number!")              raise ValueError(_("Classification range is not a number!"))
204    
205            self.cl_data = ClassDataRange(min, max)
206            self.cl_data.SetLabel(attrs.get((None, 'label'), ""))
207    
         self.cl_data = {}  
208      start_dispatcher['clrange'] = "start_clrange"      start_dispatcher['clrange'] = "start_clrange"
209    
210      def end_clrange(self, name, qname):      def end_clrange(self, name, qname):
211          self.aLayer.classification.addRange(          self.aLayer.GetClassification().AddClassData(self.cl_data)
212              self.cl_low, self.cl_high, self.cl_data)          del self.cl_data
         del self.cl_low, self.cl_high, self.cl_data  
213      end_dispatcher['clrange'] = "end_clrange"      end_dispatcher['clrange'] = "end_clrange"
214    
215      def start_cldata(self, name, qname, attrs):      def start_cldata(self, name, qname, attrs):
216          self.cl_data['stroke'] = parse_color(          self.cl_data.SetStroke(parse_color(attrs.get((None, 'stroke'), "None")))
217                                   attrs.get((None, 'stroke'), "None"))          self.cl_data.SetStrokeWidth(
218          self.cl_data['stroke_width'] = int(              int(attrs.get((None, 'stroke_width'), "0")))
219                                   attrs.get((None, 'stroke_width'), "0"))          self.cl_data.SetFill(parse_color(attrs.get((None, 'fill'), "None")))
         self.cl_data['fill'] = parse_color(  
                                  attrs.get((None, 'fill'), "None"))  
220      start_dispatcher['cldata'] = "start_cldata"      start_dispatcher['cldata'] = "start_cldata"
221    
222      def end_cldata(self, name, qname):      def end_cldata(self, name, qname):
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