Gui activate profile action

this now handles the displaying of errors, using a function compiled to
activate the right profile and catching AppError exceptions and
displaying QErrorMessages with Gui.showError

diff --git a/gui.py b/gui.py
index 61de2f1..56d0802 100755 (executable)
--- a/gui.py
+++ b/gui.py
@@ -129,7 +129,7 @@ class Gui(QtGui.QDialog):
                 menuItem_Profile = self.menuProfiles.addAction(pr)
 
                 #Using lambda function to pass additional arguments to the function, in this case the path of the profile
-                receiver = lambda pr=pr: self.profileManager.activateProfile(pr)
+                receiver = self.activateProfileAction(pr)
                 self.connect(menuItem_Profile, SIGNAL('triggered()'), receiver)
                 #set menu item ToolTip
                 menuItem_Profile.setToolTip("Activate profile: "+pr)
@@ -143,6 +143,18 @@ class Gui(QtGui.QDialog):
             self.menuProfiles.activateWindow()
             self.menuProfiles.popup(QtGui.QCursor.pos())
 
+    def activateProfileAction(self, pr):
+        """ Returns a callable to be passed as an action for the switching profile mechanism 
+        to self.connect(menuItem_Profile... 
+        It compiles a function with a profile name as argument and also handle the displaying of errors."""
+
+        def f():
+            try:
+                self.profileManager.activateProfile(pr)
+            except AppError, e:
+                self.showError(str(e))
+        return f
+
     def addProfile(self):
         """ Gui frontend to add a new Profile, it requests the user a profile name 
         through a QInputDialog and creates a new profile with the help of the ProfHandler embedded in the Gui """