/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/classgen.py
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revision 877 by jonathan, Fri May 9 16:32:17 2003 UTC revision 1163 by jonathan, Thu Jun 12 12:41:31 2003 UTC
# Line 11  from Thuban import _ Line 11  from Thuban import _
11    
12  from wxPython.wx import *  from wxPython.wx import *
13    
14  from Thuban.Model.classification import Classification, ClassGroupRange, \  from Thuban.Model.classification import ClassGroupProperties
     ClassGroupSingleton, ClassGroupProperties  
15    
16  from Thuban.Model.table import Table, FIELDTYPE_INT, FIELDTYPE_DOUBLE, \  from Thuban.Model.table import FIELDTYPE_INT, FIELDTYPE_DOUBLE, \
17       FIELDTYPE_STRING       FIELDTYPE_STRING
18    
 from Thuban.Model.color import Color  
19  from Thuban.Model.range import Range  from Thuban.Model.range import Range
20    
21  import classifier, resource  import classifier, resource
22    
23  from Thuban.Model.classgen import ClassGenerator, \  from Thuban.Model.classgen import \
24        generate_uniform_distribution, generate_singletons, generate_quantiles, \
25      CustomRamp, GreyRamp, RedRamp, GreenRamp, BlueRamp, GreenToRedRamp, \      CustomRamp, GreyRamp, RedRamp, GreenRamp, BlueRamp, GreenToRedRamp, \
26      HotToColdRamp      HotToColdRamp
27    
# Line 77  class ClassGenDialog(wxDialog): Line 76  class ClassGenDialog(wxDialog):
76          #          #
77          self.genButton = wxButton(self, wxID_OK, _("Generate"))          self.genButton = wxButton(self, wxID_OK, _("Generate"))
78          self.genButton.SetDefault()          self.genButton.SetDefault()
79            self.cancelButton = wxButton(self, wxID_CANCEL, _("Close"))
80    
81          self.genChoice = wxChoice(self, ID_CLASSGEN_GENCOMBO)          self.genChoice = wxChoice(self, ID_CLASSGEN_GENCOMBO)
82    
83          self.genpanels.append((GENCOMBOSTR_UNIQUE, GenUniquePanel))          self.genpanels.append((GENCOMBOSTR_UNIQUE, GenUniquePanel))
# Line 89  class ClassGenDialog(wxDialog): Line 90  class ClassGenDialog(wxDialog):
90    
91          self.genChoice.SetSelection(0)          self.genChoice.SetSelection(0)
92    
93          self.propPanel = None          for i in range(self.genChoice.GetCount()):
94          custom_ramp_panel = CustomRampPanel(self, layer.ShapeType())              clazz, obj = self.genChoice.GetClientData(i)
95    
96          self.propCombo = wxChoice(self, ID_CLASSGEN_PROPCOMBO)              if obj is None:
97          self.propCombo.Append(PROPCOMBOSTR_GREY,  GreyRamp())                  obj = clazz(self, self.layer, self.fieldName, self.fieldType)
98          self.propCombo.Append(PROPCOMBOSTR_RED,   RedRamp())                  obj.Hide()
99          self.propCombo.Append(PROPCOMBOSTR_GREEN, GreenRamp())                  self.genChoice.SetClientData(i, [clazz, obj])
         self.propCombo.Append(PROPCOMBOSTR_BLUE,  BlueRamp())  
         self.propCombo.Append(PROPCOMBOSTR_GREEN2RED, GreenToRedRamp())  
         self.propCombo.Append(PROPCOMBOSTR_HOT2COLD,  HotToColdRamp())  
         self.propCombo.Append(PROPCOMBOSTR_CUSTOM, custom_ramp_panel)  
100    
         self.propCombo.SetSelection(0)  
101    
102          #############          #############
103    
# Line 127  class ClassGenDialog(wxDialog): Line 123  class ClassGenDialog(wxDialog):
123          psizer = wxBoxSizer(wxHORIZONTAL)          psizer = wxBoxSizer(wxHORIZONTAL)
124          psizer.Add(wxStaticText(self, -1, _("Color Scheme:")),          psizer.Add(wxStaticText(self, -1, _("Color Scheme:")),
125              0, wxALIGN_CENTER_VERTICAL, 0)              0, wxALIGN_CENTER_VERTICAL, 0)
126    
127            # Properties (Ramp) ComboBox
128            self.propCombo = wxChoice(self, ID_CLASSGEN_PROPCOMBO)
129    
130            self.propPanel = None
131            custom_ramp_panel = CustomRampPanel(self, layer.ShapeType())
132    
133            self.propCombo.Append(PROPCOMBOSTR_GREY,  GreyRamp())
134            self.propCombo.Append(PROPCOMBOSTR_RED,   RedRamp())
135            self.propCombo.Append(PROPCOMBOSTR_GREEN, GreenRamp())
136            self.propCombo.Append(PROPCOMBOSTR_BLUE,  BlueRamp())
137            self.propCombo.Append(PROPCOMBOSTR_GREEN2RED, GreenToRedRamp())
138            self.propCombo.Append(PROPCOMBOSTR_HOT2COLD,  HotToColdRamp())
139            self.propCombo.Append(PROPCOMBOSTR_CUSTOM, custom_ramp_panel)
140    
141            self.propCombo.SetSelection(0)
142    
143          psizer.Add(self.propCombo, 1, wxALL | wxGROW, 4)          psizer.Add(self.propCombo, 1, wxALL | wxGROW, 4)
144          sizer.Add(psizer, 0, wxALL | wxGROW, 4)          sizer.Add(psizer, 0, wxALL | wxGROW, 4)
145    
146          sizer.Add(custom_ramp_panel, 1, wxGROW | wxALL, 4)          sizer.Add(custom_ramp_panel, 1, wxGROW | wxALL, 4)
147          sizer.Show(custom_ramp_panel, False)          sizer.Show(custom_ramp_panel, False)
148    
149            # Finally place the main buttons
150          buttonSizer = wxBoxSizer(wxHORIZONTAL)          buttonSizer = wxBoxSizer(wxHORIZONTAL)
151          buttonSizer.Add(self.genButton, 0, wxALL, 4)          buttonSizer.Add(self.genButton, 0, wxRIGHT|wxEXPAND, 10)
152          buttonSizer.Add(60, 20, 0, wxALL, 4)          buttonSizer.Add(self.cancelButton, 0, wxRIGHT|wxEXPAND, 10)
153          buttonSizer.Add(wxButton(self, wxID_CANCEL, _("Close")),          sizer.Add(buttonSizer, 0, wxALIGN_RIGHT|wxBOTTOM|wxTOP, 10)
                         0, wxALL, 4)  
         sizer.Add(buttonSizer, 0,  
                   wxALL | wxALIGN_BOTTOM | wxALIGN_CENTER_HORIZONTAL, 4)  
154    
155          self.SetSizer(sizer)          self.SetSizer(sizer)
156          self.SetAutoLayout(True)          self.SetAutoLayout(True)
# Line 200  class ClassGenDialog(wxDialog): Line 211  class ClassGenDialog(wxDialog):
211                      and max is not None \                      and max is not None \
212                      and numGroups is not None:                      and numGroups is not None:
213    
214                      self.clazz = ClassGenerator().GenUnifromDistribution(                      self.clazz = generate_uniform_distribution(
215                                  min, max, numGroups, ramp,                                  min, max, numGroups, ramp,
216                                  self.type == FIELDTYPE_INT)                                  self.type == FIELDTYPE_INT)
217    
# Line 213  class ClassGenDialog(wxDialog): Line 224  class ClassGenDialog(wxDialog):
224                  if len(list) > 0 \                  if len(list) > 0 \
225                      and numGroups is not None:                      and numGroups is not None:
226    
227                      self.clazz = ClassGenerator().GenSingletonsFromList(                      self.clazz = generate_singletons(
228                                      list, numGroups, ramp)                                      list, numGroups, ramp)
229    
230                      self.parent._SetClassification(self.clazz)                      self.parent._SetClassification(self.clazz)
# Line 227  class ClassGenDialog(wxDialog): Line 238  class ClassGenDialog(wxDialog):
238                  delta = 1 / float(numGroups)                  delta = 1 / float(numGroups)
239                  percents = [delta * i for i in range(1, numGroups + 1)]                  percents = [delta * i for i in range(1, numGroups + 1)]
240                  adjusted, self.clazz = \                  adjusted, self.clazz = \
241                      ClassGenerator().GenQuantiles(_list, percents, ramp, _range)                      generate_quantiles(_list, percents, ramp, _range)
242    
243                  if adjusted:                  if adjusted:
244                      dlg = wxMessageDialog(self,                      dlg = wxMessageDialog(self,
# Line 288  class ClassGenDialog(wxDialog): Line 299  class ClassGenDialog(wxDialog):
299    
300          clazz, obj = choice.GetClientData(sel)          clazz, obj = choice.GetClientData(sel)
301    
         if obj is None:  
             obj = clazz(self, self.layer, self.fieldName, self.fieldType)  
             choice.SetClientData(sel, [clazz, obj])  
   
302          if self.curGenPanel is not None:          if self.curGenPanel is not None:
303              self.curGenPanel.Hide()              self.curGenPanel.Hide()
304              self.sizer_genPanel.Remove(self.curGenPanel)              self.sizer_genPanel.Remove(self.curGenPanel)
# Line 500  class GenUniformPanel(wxPanel): Line 507  class GenUniformPanel(wxPanel):
507    
508          if self.layer.table is not None:          if self.layer.table is not None:
509              wxBeginBusyCursor()              wxBeginBusyCursor()
510              min, max = self.layer.table.ValueRange(self.fieldName)              try:
511              self.minCtrl.SetValue(str(min))                  min, max = self.layer.table.ValueRange(self.fieldName)
512              self.maxCtrl.SetValue(str(max))                  self.minCtrl.SetValue(str(min))
513              wxEndBusyCursor()                  self.maxCtrl.SetValue(str(max))
514                finally:
515                    wxEndBusyCursor()
516    
517      def __GetValidatedTypeEntry(self, win, value, type, badValue = None):      def __GetValidatedTypeEntry(self, win, value, type, badValue = None):
518    
# Line 545  class GenUniformPanel(wxPanel): Line 554  class GenUniformPanel(wxPanel):
554          return valid          return valid
555    
556      def __CalcStepping(self, min, max, ngroups):      def __CalcStepping(self, min, max, ngroups):
         step = (max - min) / float(ngroups)  
557          if self.fieldType == FIELDTYPE_INT:          if self.fieldType == FIELDTYPE_INT:
558              step = int(step)              step = int((max - min + 1) / float(ngroups))
559            else:
560                step = (max - min) / float(ngroups)
561    
562          return step          return step
563    
# Line 664  class GenUniquePanel(wxPanel): Line 674  class GenUniquePanel(wxPanel):
674          self.SetAutoLayout(True)          self.SetAutoLayout(True)
675          topSizer.SetSizeHints(self)          topSizer.SetSizeHints(self)
676    
677            width, height = self.list_avail.GetSizeTuple()
678            self.list_avail.SetColumnWidth(0,width)
679            width, height = self.list_use.GetSizeTuple()
680            self.list_use.SetColumnWidth(0,width)
681    
682          self.parent.AllowGenerate(False)          self.parent.AllowGenerate(False)
683    
684      def GetNumGroups(self):      def GetNumGroups(self):
# Line 818  class GenQuantilesPanel(wxPanel): Line 833  class GenQuantilesPanel(wxPanel):
833    
834      def GetList(self):      def GetList(self):
835    
836            _list = []
837    
838          if self.layer.table is not None:          if self.layer.table is not None:
839              wxBeginBusyCursor()              wxBeginBusyCursor()
840              _list = self.layer.table.UniqueValues(self.fieldName)              try:
841              wxEndBusyCursor()                  #
842              return _list                  # FIXME: Replace with a call to table when the method
843                    # has been written to get all the values
844                    #
845                    table = self.layer.table
846                    for i in range(table.NumRows()):
847                        _list.append(table.ReadValue(i, self.fieldName))
848                finally:
849                    wxEndBusyCursor()
850    
851          return []          return _list
852    
853      def OnRangeText(self, event):      def OnRangeText(self, event):
854    
# Line 842  class GenQuantilesPanel(wxPanel): Line 866  class GenQuantilesPanel(wxPanel):
866    
867          if self.layer.table is not None:          if self.layer.table is not None:
868              wxBeginBusyCursor()              wxBeginBusyCursor()
869              min, max = self.layer.table.ValueRange(self.fieldName)              try:
870              self.text_range.SetValue("[" + str(min) + ";" + str(max) + "]")                  min, max = self.layer.table.ValueRange(self.fieldName)
871              wxEndBusyCursor()                  self.text_range.SetValue("[" + str(min) + ";" + str(max) + "]")
872                finally:
873                    wxEndBusyCursor()
874    
875  ID_CUSTOMRAMP_COPYSTART = 4001  ID_CUSTOMRAMP_COPYSTART = 4001
876  ID_CUSTOMRAMP_COPYEND = 4002  ID_CUSTOMRAMP_COPYEND = 4002
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