[z3-checkins] r17559 - z3/hurry/trunk/src/hurry/workflow

[faassen at codespeak.net]

Author: faassen
Date: Wed Sep 14 14:57:27 2005
New Revision: 17559

Modified:
   z3/hurry/trunk/src/hurry/workflow/interfaces.py
   z3/hurry/trunk/src/hurry/workflow/workflow.py
   z3/hurry/trunk/src/hurry/workflow/workflow.txt
Log:
Allow getting transitions towards 
destination state, instead of possible
transitions for source state.

Modified: z3/hurry/trunk/src/hurry/workflow/interfaces.py
==============================================================================
--- z3/hurry/trunk/src/hurry/workflow/interfaces.py	(original)
+++ z3/hurry/trunk/src/hurry/workflow/interfaces.py	Wed Sep 14 14:57:27 2005
@@ -114,6 +114,10 @@
         These transitions have to have a condition that's True.
         """
 
+    def getManualTransitionIdsToward(state):
+        """Returns list of manual transitions towards state.
+        """
+        
     def getAutomaticTransitionIds():
         """Returns list of possible automatic transitions.
 

Modified: z3/hurry/trunk/src/hurry/workflow/workflow.py
==============================================================================
--- z3/hurry/trunk/src/hurry/workflow/workflow.py	(original)
+++ z3/hurry/trunk/src/hurry/workflow/workflow.py	Wed Sep 14 14:57:27 2005
@@ -219,6 +219,15 @@
                 transition.condition(self, self.context) and
                 checkPermission(transition.permission, self.context)]
 
+    def getManualTransitionIdsToward(self, state):
+        wf = zapi.getUtility(IWorkflow)
+        result = []
+        for transition_id in self.getManualTransitionIds():
+            transition = wf.getTransitionById(transition_id)
+            if transition.destination == state:
+                result.append(transition_id)
+        return result
+            
     def getAutomaticTransitionIds(self):
         return [transition.transition_id for transition in
                 self._getTransitions(AUTOMATIC)]

Modified: z3/hurry/trunk/src/hurry/workflow/workflow.txt
==============================================================================
--- z3/hurry/trunk/src/hurry/workflow/workflow.txt	(original)
+++ z3/hurry/trunk/src/hurry/workflow/workflow.txt	Wed Sep 14 14:57:27 2005
@@ -130,6 +130,12 @@
     >>> info.getManualTransitionIds()
     ['a_to_b']
 
+We can also get this by asking which manual transition exists that brings
+us to the desired workflow state::
+
+    >>> info.getManualTransitionIdsToward('b')
+    ['a_to_b']
+
 Since this is a manually triggered transition, we can fire this
 transition::