fixed #5384

volayaf · volayaf · commit 8ef208266cac · 2012-04-18T09:41:01.000Z
git-svn-id: http://sextante.googlecode.com/svn/trunk/soft/bindings/qgis-plugin@118 881b9c09-3ef8-f3c2-ec3d-21d735c97f4d
diff --git a/src/sextante/modeler/ModelerDialog.py b/src/sextante/modeler/ModelerDialog.py
@@ -22,7 +22,9 @@ def __init__(self, alg=None):
             self.textGroup.setText(alg.group)
             self.textName.setText(alg.name)
             self.repaintModel()
-            self.view.ensureVisible(self.scene.getLastAlgorithmItem())
+            last = self.scene.getLastAlgorithmItem()
+            if last:
+                self.view.ensureVisible(last)
         else:
             self.alg = ModelerAlgorithm()
         self.alg.setModelerView(self)
diff --git a/src/sextante/modeler/ModelerScene.py b/src/sextante/modeler/ModelerScene.py
@@ -29,7 +29,10 @@ def getLastParameterItem(self):
         return self.paramItems[-1]
 
     def getLastAlgorithmItem(self):
-        return self.algItems[-1]
+        if self.algItems:
+            return self.algItems[-1]
+        else:
+            return None
 
 
     def getItemsFromAAP(self, aap, isMultiple):
