added delete model action (#5392)

git-svn-id: http://sextante.googlecode.com/svn/trunk/soft/bindings/qgis-plugin@112 881b9c09-3ef8-f3c2-ec3d-21d735c97f4d

Author: volayaf

src/sextante/modeler/DeleteModelAction.py

@@ -0,0 +1,15 @@
+from sextante.gui.ContextAction import ContextAction
+from sextante.modeler.ModelerAlgorithm import ModelerAlgorithm
+import os
+
+class DeleteModelAction(ContextAction):
+
+    def __init__(self):
+        self.name="Delete model"
+
+    def isEnabled(self):
+        return isinstance(self.alg, ModelerAlgorithm)
+
+    def execute(self):
+        os.remove(self.alg.descriptionFile)
+        self.toolbox.updateTree()

src/sextante/modeler/ModelerAlgorithmProvider.py

@@ -10,13 +10,14 @@
 from sextante.modeler.CreateNewModelAction import CreateNewModelAction
 from sextante.core.AlgorithmProvider import AlgorithmProvider
 from PyQt4 import QtGui
+from sextante.modeler.DeleteModelAction import DeleteModelAction
 
 class ModelerAlgorithmProvider(AlgorithmProvider):
 
     def __init__(self):
         AlgorithmProvider.__init__(self)
         self.actions = [CreateNewModelAction()]
-        self.contextMenuActions = [EditModelAction()]
+        self.contextMenuActions = [EditModelAction(), DeleteModelAction()]
 
     def initializeSettings(self):
         AlgorithmProvider.initializeSettings(self)