fixed issue with MultilineTextPanel in modeler (#10813)

Author: volaya

python/plugins/processing/modeler/ModelerParametersDialog.py

@@ -319,15 +319,16 @@ def getWidgetFromParameter(self, param):
             item = MultipleInputPanel(opts)
         elif isinstance(param, ParameterString):
             strings = self.getAvailableValuesOfType(ParameterString, OutputString)
+            options = [(self.resolveValueDescription(s), s) for s in strings]
             if param.multiline:
-                item = MultilineTextPanel(strings, self.model)
-                item.setText(str(param.default))
+                item = MultilineTextPanel(options)
+                item.setText(unicode(param.default))
             else:
                 item = QtGui.QComboBox()
                 item.setEditable(True)
-                for s in strings:
-                    item.addItem(self.resolveValueDescription(s), s)
-                item.setEditText(str(param.default))
+                for desc, val in options:
+                    item.addItem(desc, val)
+                item.setEditText(unicode(param.default))
         elif isinstance(param, ParameterTableField):
             item = QtGui.QComboBox()
             item.setEditable(True)

python/plugins/processing/modeler/MultilineTextPanel.py

@@ -25,24 +25,23 @@
 
 __revision__ = '$Format:%H$'
 
-from PyQt4 import QtCore, QtGui
+from PyQt4 import QtGui
 
 
 class MultilineTextPanel(QtGui.QWidget):
 
     USE_TEXT = 0
 
-    def __init__(self, options, model, parent=None):
+    def __init__(self, options, parent=None):
         super(MultilineTextPanel, self).__init__(parent)
-        self.options = options
-        self.model = model
+        self.options = options        
         self.verticalLayout = QtGui.QVBoxLayout(self)
         self.verticalLayout.setSpacing(2)
         self.verticalLayout.setMargin(0)
         self.combo = QtGui.QComboBox()
         self.combo.addItem('[Use text below]')
         for option in options:
-            self.combo.addItem(option.name(), option)
+            self.combo.addItem(option[0], option[1])
         self.combo.setSizePolicy(QtGui.QSizePolicy.Expanding,
                                  QtGui.QSizePolicy.Expanding)
         self.verticalLayout.addWidget(self.combo)