[sextante] added "delete R script" action

Author: volaya

python/plugins/sextante/r/DeleteRScriptAction.py

@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    DeleteRScriptAction.py
+    ---------------------
+    Date                 : August 2012
+    Copyright            : (C) 2012 by Victor Olaya
+    Email                : volayaf at gmail dot com
+***************************************************************************
+*                                                                         *
+*   This program is free software; you can redistribute it and/or modify  *
+*   it under the terms of the GNU General Public License as published by  *
+*   the Free Software Foundation; either version 2 of the License, or     *
+*   (at your option) any later version.                                   *
+*                                                                         *
+***************************************************************************
+"""
+
+__author__ = 'Victor Olaya'
+__date__ = 'August 2012'
+__copyright__ = '(C) 2012, Victor Olaya'
+# This will get replaced with a git SHA1 when you do a git archive
+__revision__ = '$Format:%H$'
+
+from sextante.r.RAlgorithm import RAlgorithm
+from sextante.gui.ContextAction import ContextAction
+import os
+from PyQt4 import QtGui
+
+class DeleteRScriptAction(ContextAction):
+
+    def __init__(self):
+        self.name="Delete script"
+
+    def isEnabled(self):
+        return isinstance(self.alg, RAlgorithm)
+
+    def execute(self, alg):
+        reply = QtGui.QMessageBox.question(None, 'Confirmation',
+                            "Are you sure you want to delete this script?", QtGui.QMessageBox.Yes |
+                            QtGui.QMessageBox.No, QtGui.QMessageBox.No)
+        if reply == QtGui.QMessageBox.Yes:
+            os.remove(self.alg.descriptionFile)
+            self.toolbox.updateTree()

python/plugins/sextante/r/RAlgorithmProvider.py

@@ -27,6 +27,7 @@
 from PyQt4.QtGui import *
 import os.path
 from sextante.script.WrongScriptException import WrongScriptException
+from sextante.r.DeleteRScriptAction import DeleteRScriptAction
 from sextante.core.SextanteConfig import SextanteConfig, Setting
 from sextante.core.SextanteLog import SextanteLog
 from sextante.core.AlgorithmProvider import AlgorithmProvider
@@ -43,7 +44,7 @@ def __init__(self):
         AlgorithmProvider.__init__(self)
         self.activate = False
         self.actions.append(CreateNewRScriptAction())
-        self.contextMenuActions = [EditRScriptAction()]
+        self.contextMenuActions = [EditRScriptAction(), DeleteRScriptAction()]
 
     def initializeSettings(self):
         AlgorithmProvider.initializeSettings(self)