[sextante] improved handling of ParameterCrs

python/plugins/sextante/gui/CrsSelectionPanel.py

@@ -29,7 +29,7 @@ from sextante.gui.CrsSelectionDialog import CrsSelectionDialog
 class CrsSelectionPanel(QtGui.QWidget):
 
     def __init__(self, default):
-        super(CrsSelectionPanel, self).__init__(None)
+        super(CrsSelectionPanel, self).__init__(None)        
         self.authid = default
         self.horizontalLayout = QtGui.QHBoxLayout(self)
         self.horizontalLayout.setSpacing(2)
@@ -44,6 +44,10 @@ class CrsSelectionPanel(QtGui.QWidget):
         self.horizontalLayout.addWidget(self.pushButton)
         self.setLayout(self.horizontalLayout)
         self.setText()
+        
+    def setAuthid(self, authid):
+        self.authid = authid
+        self.setText()
 
     def showSelectionDialog(self):
         dialog = CrsSelectionDialog()
@@ -53,7 +57,8 @@ class CrsSelectionPanel(QtGui.QWidget):
             self.setText()
 
     def setText(self):
-        self.text.setText(str(self.authid))
+        if self.authid is not None:
+            self.text.setText(str(self.authid))
 
     def getValue(self):
         return self.authid

python/plugins/sextante/modeler/ModelerAlgorithm.py

@@ -128,7 +128,6 @@ class ModelerAlgorithm(GeoAlgorithm):
                 elif line.startswith("VALUE:"):
                     valueLine = line[len("VALUE:"):]
                     tokens = valueLine.split("===")
-
                     self.paramValues[tokens[0]] = tokens[1].replace(ModelerAlgorithm.LINE_BREAK_STRING, '\n')
                 elif line.startswith("NAME:"):
                     self.name = line[len("NAME:"):]
@@ -221,7 +220,7 @@ class ModelerAlgorithm(GeoAlgorithm):
         for paramValues in self.algParameters:
             index += 1
             newValues = []
-            for name, value in paramValues:
+            for name, value in paramValues[index]:
                 if value:
                     if value.alg > index:
                         newValues[name] = AlgorithmAndParameter(value.alg - 1, value.param, value.algName, value.paramName)

python/plugins/sextante/modeler/ModelerParametersDialog.py

@@ -16,7 +16,7 @@
 *                                                                         *
 ***************************************************************************
 """
-from sextante.modeler.MultilineTextPanel import MultilineTextPanel
+
 __author__ = 'Victor Olaya'
 __date__ = 'August 2012'
 __copyright__ = '(C) 2012, Victor Olaya'
@@ -26,6 +26,8 @@ __revision__ = '$Format:%H$'
 from PyQt4.QtCore import *
 from PyQt4.QtGui import *
 from PyQt4 import QtCore, QtGui, QtWebKit
+from sextante.modeler.MultilineTextPanel import MultilineTextPanel
+from sextante.gui.CrsSelectionPanel import CrsSelectionPanel
 from sextante.parameters.ParameterCrs import ParameterCrs
 from sextante.outputs.OutputString import OutputString
 from sextante.parameters.ParameterRaster import ParameterRaster
@@ -437,6 +439,8 @@ class ModelerParametersDialog(QtGui.QDialog):
             for n in numbers:
                 item.addItem(n.name(), n)
             item.setEditText(str(param.default))
+        elif isinstance(param, ParameterCrs):
+            item = CrsSelectionPanel(param.default)                                
         elif isinstance(param, ParameterExtent):
             item = QtGui.QComboBox()
             item.setEditable(True)
@@ -548,7 +552,7 @@ class ModelerParametersDialog(QtGui.QDialog):
                         self.setComboBoxValue(widget, value, param)
                 elif isinstance(param, ParameterCrs):
                     value = self.model.getValueFromAlgorithmAndParameter(value)
-                    widget.setText(unicode(value))
+                    widget.setAuthid(value)
                 elif isinstance(param, ParameterFixedTable):
                     pass
                 elif isinstance(param, ParameterMultipleInput):
@@ -766,6 +770,16 @@ class ModelerParametersDialog(QtGui.QDialog):
             self.params[param.name] = value
             self.values[name] = str(widget.getValue())
             return True
+        elif isinstance(param, ParameterCrs):
+            authid = widget.getValue()
+            if authid is None:
+                self.params[param.name] = None                
+            else:
+                name =  self.getSafeNameForHarcodedParameter(param)
+                value = AlgorithmAndParameter(AlgorithmAndParameter.PARENT_MODEL_ALGORITHM, name)
+                self.params[param.name] = value
+                self.values[name] = authid
+            return True        
         elif isinstance(param, ParameterFixedTable):
             name =  self.getSafeNameForHarcodedParameter(param)
             value = AlgorithmAndParameter(AlgorithmAndParameter.PARENT_MODEL_ALGORITHM, name)

python/plugins/sextante/parameters/ParameterCrs.py

@@ -37,6 +37,7 @@ class ParameterCrs(Parameter):
         if value is None:
             self.value = self.default
             return True
+        #TODO: check it is a valid authid
         self.value = str(value)
         return True
 
@@ -48,7 +49,9 @@ class ParameterCrs(Parameter):
                         "|" + str(self.default)
 
     def deserialize(self, s):
-        tokens = s.split("|")
+        tokens = s.split("|")        
+        if tokens[2]==str(None):            
+            tokens[2] = None
         return ParameterCrs(tokens[0], tokens[1], tokens[2])
 
     def getAsScriptCode(self):