/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/classgen.py
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revision 907 by bh, Fri May 16 15:01:04 2003 UTC revision 1526 by jonathan, Wed Jul 30 15:43:06 2003 UTC
# Line 16  from Thuban.Model.classification import Line 16  from Thuban.Model.classification import
16  from Thuban.Model.table import FIELDTYPE_INT, FIELDTYPE_DOUBLE, \  from Thuban.Model.table import FIELDTYPE_INT, FIELDTYPE_DOUBLE, \
17       FIELDTYPE_STRING       FIELDTYPE_STRING
18    
19    from Thuban.Model.layer import SHAPETYPE_ARC
20  from Thuban.Model.range import Range  from Thuban.Model.range import Range
21    from Thuban.UI.common import ThubanBeginBusyCursor, ThubanEndBusyCursor
22    
23  import classifier, resource  import classifier, resource
24    
25  from Thuban.Model.classgen import ClassGenerator, \  from Thuban.Model.classgen import \
26      CustomRamp, GreyRamp, RedRamp, GreenRamp, BlueRamp, GreenToRedRamp, \      generate_uniform_distribution, generate_singletons, generate_quantiles, \
27      HotToColdRamp      CustomRamp, grey_ramp, red_ramp, green_ramp, blue_ramp, green_to_red_ramp, \
28        HotToColdRamp, FixedRamp
29    
30    
31  USEALL_BMP  = "group_use_all"  USEALL_BMP  = "group_use_all"
32  USE_BMP     = "group_use"  USE_BMP     = "group_use"
# Line 44  PROPCOMBOSTR_HOT2COLD   = _("Hot-to-Cold Line 48  PROPCOMBOSTR_HOT2COLD   = _("Hot-to-Cold
48  ID_CLASSGEN_GENCOMBO = 4007  ID_CLASSGEN_GENCOMBO = 4007
49  ID_CLASSGEN_PROPCOMBO = 4008  ID_CLASSGEN_PROPCOMBO = 4008
50    
51    ID_BORDER_COLOR = 4009
52    ID_BORDER_COLOR_CHANGE = 4010
53    
54  class ClassGenDialog(wxDialog):  class ClassGenDialog(wxDialog):
55    
56      def __init__(self, parent, layer, fieldName):      def __init__(self, parent, layer, fieldName):
# Line 59  class ClassGenDialog(wxDialog): Line 66  class ClassGenDialog(wxDialog):
66          self.layer = layer          self.layer = layer
67          self.clazz = None          self.clazz = None
68    
69          col = layer.table.Column(fieldName)          col = layer.ShapeStore().Table().Column(fieldName)
70          self.type = col.type          self.type = col.type
71    
72          self.fieldName = fieldName          self.fieldName = fieldName
# Line 74  class ClassGenDialog(wxDialog): Line 81  class ClassGenDialog(wxDialog):
81          # panels they will call AllowGenerate() which uses genButton.          # panels they will call AllowGenerate() which uses genButton.
82          #          #
83          self.genButton = wxButton(self, wxID_OK, _("Generate"))          self.genButton = wxButton(self, wxID_OK, _("Generate"))
84            self.cancelButton = wxButton(self, wxID_CANCEL, _("Close"))
85          self.genButton.SetDefault()          self.genButton.SetDefault()
86    
87          self.genChoice = wxChoice(self, ID_CLASSGEN_GENCOMBO)          self.genChoice = wxChoice(self, ID_CLASSGEN_GENCOMBO)
88    
89          self.genpanels.append((GENCOMBOSTR_UNIQUE, GenUniquePanel))          self.genpanels.append((GENCOMBOSTR_UNIQUE, GenUniquePanel))
# Line 87  class ClassGenDialog(wxDialog): Line 96  class ClassGenDialog(wxDialog):
96    
97          self.genChoice.SetSelection(0)          self.genChoice.SetSelection(0)
98    
99          self.propPanel = None          for i in range(self.genChoice.GetCount()):
100          custom_ramp_panel = CustomRampPanel(self, layer.ShapeType())              clazz, obj = self.genChoice.GetClientData(i)
101    
102          self.propCombo = wxChoice(self, ID_CLASSGEN_PROPCOMBO)              if obj is None:
103          self.propCombo.Append(PROPCOMBOSTR_GREY,  GreyRamp())                  obj = clazz(self, self.layer, self.fieldName, self.fieldType)
104          self.propCombo.Append(PROPCOMBOSTR_RED,   RedRamp())                  obj.Hide()
105          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)  
106    
         self.propCombo.SetSelection(0)  
107    
108          #############          #############
109    
# Line 125  class ClassGenDialog(wxDialog): Line 129  class ClassGenDialog(wxDialog):
129          psizer = wxBoxSizer(wxHORIZONTAL)          psizer = wxBoxSizer(wxHORIZONTAL)
130          psizer.Add(wxStaticText(self, -1, _("Color Scheme:")),          psizer.Add(wxStaticText(self, -1, _("Color Scheme:")),
131              0, wxALIGN_CENTER_VERTICAL, 0)              0, wxALIGN_CENTER_VERTICAL, 0)
132    
133            # Properties (Ramp) ComboBox
134            self.propCombo = wxChoice(self, ID_CLASSGEN_PROPCOMBO)
135    
136            self.propPanel = None
137            custom_ramp_panel = CustomRampPanel(self, layer.ShapeType())
138    
139            self.propCombo.Append(PROPCOMBOSTR_GREY,  grey_ramp)
140            self.propCombo.Append(PROPCOMBOSTR_RED,   red_ramp)
141            self.propCombo.Append(PROPCOMBOSTR_GREEN, green_ramp)
142            self.propCombo.Append(PROPCOMBOSTR_BLUE,  blue_ramp)
143            self.propCombo.Append(PROPCOMBOSTR_GREEN2RED, green_to_red_ramp)
144            self.propCombo.Append(PROPCOMBOSTR_HOT2COLD,  HotToColdRamp())
145            self.propCombo.Append(PROPCOMBOSTR_CUSTOM, custom_ramp_panel)
146    
147            self.propCombo.SetSelection(0)
148    
149          psizer.Add(self.propCombo, 1, wxALL | wxGROW, 4)          psizer.Add(self.propCombo, 1, wxALL | wxGROW, 4)
150          sizer.Add(psizer, 0, wxALL | wxGROW, 4)          sizer.Add(psizer, 0, wxALL | wxGROW, 4)
151    
152            if layer.ShapeType() != SHAPETYPE_ARC:
153                psizer = wxBoxSizer(wxHORIZONTAL)
154                self.fix_border_check = wxCheckBox(self, -1, _("Fix Border Color"))
155                psizer.Add(self.fix_border_check, 0, wxALL | wxGROW, 4)
156                self.border_color = classifier.ClassGroupPropertiesCtrl(
157                    self, ID_BORDER_COLOR,
158                    ClassGroupProperties(), SHAPETYPE_ARC,
159                    style=wxSIMPLE_BORDER, size=(40, 20))
160                psizer.Add(self.border_color, 0, wxALL | wxGROW, 4)
161                psizer.Add(wxButton(self, ID_BORDER_COLOR_CHANGE, _("Change")),
162                        0, wxALL, 4)
163                sizer.Add(psizer, 0, wxALL | wxGROW, 4)
164                EVT_BUTTON(self, ID_BORDER_COLOR_CHANGE, self.OnBorderColorChange)
165            else:
166                self.border_color = None
167    
168          sizer.Add(custom_ramp_panel, 1, wxGROW | wxALL, 4)          sizer.Add(custom_ramp_panel, 1, wxGROW | wxALL, 4)
169          sizer.Show(custom_ramp_panel, False)          sizer.Show(custom_ramp_panel, False)
170    
171            # Finally place the main buttons
172          buttonSizer = wxBoxSizer(wxHORIZONTAL)          buttonSizer = wxBoxSizer(wxHORIZONTAL)
173          buttonSizer.Add(self.genButton, 0, wxALL, 4)          buttonSizer.Add(self.genButton, 0, wxRIGHT|wxEXPAND, 10)
174          buttonSizer.Add(60, 20, 0, wxALL, 4)          buttonSizer.Add(self.cancelButton, 0, wxRIGHT|wxEXPAND, 10)
175          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)  
176    
177          self.SetSizer(sizer)          self.SetSizer(sizer)
178          self.SetAutoLayout(True)          self.SetAutoLayout(True)
# Line 188  class ClassGenDialog(wxDialog): Line 223  class ClassGenDialog(wxDialog):
223              propPanel = self.propCombo.GetClientData(index)              propPanel = self.propCombo.GetClientData(index)
224    
225              ramp = propPanel.GetRamp()              ramp = propPanel.GetRamp()
226                if self.border_color and self.fix_border_check.IsChecked():
227                    props = self.border_color.GetProperties()
228                    ramp = FixedRamp(ramp,
229                        (props.GetLineColor(), props.GetLineWidth(), None))
230    
231              if genSel == GENCOMBOSTR_UNIFORM:              if genSel == GENCOMBOSTR_UNIFORM:
232    
# Line 198  class ClassGenDialog(wxDialog): Line 237  class ClassGenDialog(wxDialog):
237                      and max is not None \                      and max is not None \
238                      and numGroups is not None:                      and numGroups is not None:
239    
240                      self.clazz = ClassGenerator().GenUniformDistribution(                      self.clazz = generate_uniform_distribution(
241                                  min, max, numGroups, ramp,                                  min, max, numGroups, ramp,
242                                  self.type == FIELDTYPE_INT)                                  self.type == FIELDTYPE_INT)
243    
# Line 208  class ClassGenDialog(wxDialog): Line 247  class ClassGenDialog(wxDialog):
247    
248                  list = genPanel.GetValueList()                  list = genPanel.GetValueList()
249    
250                  if len(list) > 0 \                  if len(list) > 0:
251                      and numGroups is not None:                      self.clazz = generate_singletons(list, ramp)
   
                     self.clazz = ClassGenerator().GenSingletonsFromList(  
                                     list, numGroups, ramp)  
   
252                      self.parent._SetClassification(self.clazz)                      self.parent._SetClassification(self.clazz)
253    
254              elif genSel == GENCOMBOSTR_QUANTILES:              elif genSel == GENCOMBOSTR_QUANTILES:
# Line 225  class ClassGenDialog(wxDialog): Line 260  class ClassGenDialog(wxDialog):
260                  delta = 1 / float(numGroups)                  delta = 1 / float(numGroups)
261                  percents = [delta * i for i in range(1, numGroups + 1)]                  percents = [delta * i for i in range(1, numGroups + 1)]
262                  adjusted, self.clazz = \                  adjusted, self.clazz = \
263                      ClassGenerator().GenQuantiles(_list, percents, ramp, _range)                      generate_quantiles(_list, percents, ramp, _range)
264    
265                  if adjusted:                  if adjusted:
266                      dlg = wxMessageDialog(self,                      dlg = wxMessageDialog(self,
# Line 243  class ClassGenDialog(wxDialog): Line 278  class ClassGenDialog(wxDialog):
278      def OnCancel(self, event):      def OnCancel(self, event):
279          self.Close()          self.Close()
280    
281        def OnBorderColorChange(self, event):
282            self.border_color.DoEdit()
283    
284      def _OnGenTypeSelect(self, event):      def _OnGenTypeSelect(self, event):
285          self.__DoOnGenTypeSelect()          self.__DoOnGenTypeSelect()
286          return          return
# Line 286  class ClassGenDialog(wxDialog): Line 324  class ClassGenDialog(wxDialog):
324    
325          clazz, obj = choice.GetClientData(sel)          clazz, obj = choice.GetClientData(sel)
326    
         if obj is None:  
             obj = clazz(self, self.layer, self.fieldName, self.fieldType)  
             choice.SetClientData(sel, [clazz, obj])  
   
327          if self.curGenPanel is not None:          if self.curGenPanel is not None:
328              self.curGenPanel.Hide()              self.curGenPanel.Hide()
329              self.sizer_genPanel.Remove(self.curGenPanel)              self.sizer_genPanel.Remove(self.curGenPanel)
# Line 495  class GenUniformPanel(wxPanel): Line 529  class GenUniformPanel(wxPanel):
529              self.parent.AllowGenerate(False)              self.parent.AllowGenerate(False)
530    
531      def _OnRetrieve(self, event):      def _OnRetrieve(self, event):
532            table = self.layer.ShapeStore().Table()
533          if self.layer.table is not None:          if table is not None:
534              wxBeginBusyCursor()              ThubanBeginBusyCursor()
535              min, max = self.layer.table.ValueRange(self.fieldName)              try:
536              self.minCtrl.SetValue(str(min))                  min, max = table.ValueRange(self.fieldName)
537              self.maxCtrl.SetValue(str(max))                  self.minCtrl.SetValue(str(min))
538              wxEndBusyCursor()                  self.maxCtrl.SetValue(str(max))
539                finally:
540                    ThubanEndBusyCursor()
541    
542      def __GetValidatedTypeEntry(self, win, value, type, badValue = None):      def __GetValidatedTypeEntry(self, win, value, type, badValue = None):
543    
# Line 543  class GenUniformPanel(wxPanel): Line 579  class GenUniformPanel(wxPanel):
579          return valid          return valid
580    
581      def __CalcStepping(self, min, max, ngroups):      def __CalcStepping(self, min, max, ngroups):
         step = (max - min) / float(ngroups)  
582          if self.fieldType == FIELDTYPE_INT:          if self.fieldType == FIELDTYPE_INT:
583              step = int(step)              step = int((max - min + 1) / float(ngroups))
584            else:
585                step = (max - min) / float(ngroups)
586    
587          return step          return step
588    
# Line 662  class GenUniquePanel(wxPanel): Line 699  class GenUniquePanel(wxPanel):
699          self.SetAutoLayout(True)          self.SetAutoLayout(True)
700          topSizer.SetSizeHints(self)          topSizer.SetSizeHints(self)
701    
702            width, height = self.list_avail.GetSizeTuple()
703            self.list_avail.SetColumnWidth(0,width)
704            width, height = self.list_use.GetSizeTuple()
705            self.list_use.SetColumnWidth(0,width)
706    
707          self.parent.AllowGenerate(False)          self.parent.AllowGenerate(False)
708    
709      def GetNumGroups(self):      def GetNumGroups(self):
# Line 703  class GenUniquePanel(wxPanel): Line 745  class GenUniquePanel(wxPanel):
745          self.list_avail.DeleteAllItems()          self.list_avail.DeleteAllItems()
746          self.list_avail_data = []          self.list_avail_data = []
747    
748          list = self.layer.table.UniqueValues(self.fieldName)          ThubanBeginBusyCursor()
749          index = 0          try:
750          for v in list:              list = self.layer.ShapeStore().Table().UniqueValues(self.fieldName)
751              self.dataList.append(v)              index = 0
752              i = self.list_avail.InsertStringItem(index, str(v))              for v in list:
753              self.list_avail.SetItemData(index, i)                  self.dataList.append(v)
754                    i = self.list_avail.InsertStringItem(index, str(v))
755              self.list_avail_data.append(v)                  self.list_avail.SetItemData(index, i)
756              index += 1      
757                    self.list_avail_data.append(v)
758                    index += 1
759            finally:
760                ThubanEndBusyCursor()
761    
762      def _OnUseAll(self, event):      def _OnUseAll(self, event):
763          for i in range(self.list_avail.GetItemCount()):          for i in range(self.list_avail.GetItemCount()):
# Line 815  class GenQuantilesPanel(wxPanel): Line 861  class GenQuantilesPanel(wxPanel):
861          return self.__range          return self.__range
862    
863      def GetList(self):      def GetList(self):
   
864          _list = []          _list = []
865            table = self.layer.ShapeStore().Table()
866          if self.layer.table is not None:          if table is not None:
867              wxBeginBusyCursor()              ThubanBeginBusyCursor()
868                try:
869              #                  #
870              # FIXME: Replace with a call to table when the method                  # FIXME: Replace with a call to table when the method
871              # has been written to get all the values                  # has been written to get all the values
872              #                  #
873              table = self.layer.table                  for i in range(table.NumRows()):
874              for i in range(table.NumRows()):                      _list.append(table.ReadValue(i, self.fieldName))
875                  _list.append(table.ReadValue(i, self.fieldName))              finally:
876                    ThubanEndBusyCursor()
             wxEndBusyCursor()  
877    
878          return _list          return _list
879    
# Line 846  class GenQuantilesPanel(wxPanel): Line 890  class GenQuantilesPanel(wxPanel):
890              self.text_range.SetForegroundColour(wxRED)              self.text_range.SetForegroundColour(wxRED)
891    
892      def OnRetrieve(self, event):      def OnRetrieve(self, event):
893            table = self.layer.ShapeStore().Table()
894          if self.layer.table is not None:          if table is not None:
895              wxBeginBusyCursor()              ThubanBeginBusyCursor()
896              min, max = self.layer.table.ValueRange(self.fieldName)              try:
897              self.text_range.SetValue("[" + str(min) + ";" + str(max) + "]")                  min, max = table.ValueRange(self.fieldName)
898              wxEndBusyCursor()                  self.text_range.SetValue("[" + str(min) + ";" + str(max) + "]")
899                finally:
900                    ThubanEndBusyCursor()
901    
902  ID_CUSTOMRAMP_COPYSTART = 4001  ID_CUSTOMRAMP_COPYSTART = 4001
903  ID_CUSTOMRAMP_COPYEND = 4002  ID_CUSTOMRAMP_COPYEND = 4002
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