fixed #6635. Partial solution, now it goes to (0,0) upon model loading

Author: volaya

python/plugins/sextante/CMakeLists.txt

@@ -7,7 +7,6 @@ ADD_SUBDIRECTORY(ftools)
 ADD_SUBDIRECTORY(gdal)
 ADD_SUBDIRECTORY(grass)
 ADD_SUBDIRECTORY(gui)
-#ADD_SUBDIRECTORY(help)
 ADD_SUBDIRECTORY(images)
 ADD_SUBDIRECTORY(lidar)
 ADD_SUBDIRECTORY(mmqgisx)

python/plugins/sextante/modeler/ModelerAlgorithmProvider.py

@@ -69,7 +69,7 @@ def _loadAlgorithms(self):
         folder = os.path.join(os.path.dirname(__file__), "models")
         self.loadFromFolder(folder)  
 
-    def loadFromFolder(self,folder):
+    def loadFromFolder(self,folder):        
         if not os.path.exists(folder):
             return
         for descriptionFile in os.listdir(folder):

python/plugins/sextante/modeler/ModelerDialog.py

@@ -49,14 +49,10 @@ def __init__(self, alg=None):
             self.alg = alg
             self.textGroup.setText(alg.group)
             self.textName.setText(alg.name)
-            self.repaintModel()
-            last = self.scene.getLastAlgorithmItem()
-            if last is not None:
-                self.view.ensureVisible(last)
-            else:
-                self.view.ensureVisible(0,0,10,10)
+            self.repaintModel()                    
         else:
             self.alg = ModelerAlgorithm()
+        self.view.centerOn(0, 0)            
         self.alg.setModelerView(self)
         self.help = None
         self.update = False #indicates whether to update or not the toolbox after closing this dialog
@@ -267,6 +263,7 @@ def openModel(self):
                 self.textName.setText(alg.name)
                 self.repaintModel()
                 self.view.ensureVisible(self.scene.getLastAlgorithmItem())
+                self.view.centerOn(0,0)
             except WrongModelException, e:
                 QMessageBox.critical(self, "Could not open model", "The selected model could not be loaded\nWrong line:" + e.msg)