workflows: allow marking a status as terminal

wcs/admin/workflows.ptl

@@ -272,7 +272,8 @@ class WorkflowItemsDir(Directory):
 
 class WorkflowStatusPage(Directory):
     _q_exports = ['', 'delete', 'newitem', ('items', 'items_dir'),
-                  'update_order', 'edit', 'reassign', 'visibility']
+                  'update_order', 'edit', 'reassign', 'visibility',
+		  'force_endpoint', 'unforce_endpoint']
 
     def __init__(self, workflow, status_id):
         self.workflow = workflow
@@ -354,6 +355,10 @@ class WorkflowStatusPage(Directory):
             '<ul>'
             '<li><a href="edit">%s</a></li>' % _('Change Status Name')
             '<li><a href="visibility" rel="popup">%s</a></li>' % _('Change Status Visibility')
+	    if not self.status.forced_endpoint:
+                '<li><a href="force_endpoint">%s</a></li>' % _('Mark the Status as Terminal')
+            else:
+                '<li><a href="unforce_endpoint">%s</a></li>' % _('Unmark the Status as Terminal')
             '<li><a href="delete" rel="popup">%s</a></li>' % _('Delete')
             '</ul>'
             '<div id="new-field">'
@@ -553,6 +558,16 @@ class WorkflowStatusPage(Directory):
         '<h2>%s</h2>' % _('Edit Workflow Status Visibility')
         form.render()
 
+    def force_endpoint(self):
+        self.status.forced_endpoint = True
+        self.workflow.store()
+        return redirect('.')
+
+    def unforce_endpoint(self):
+        self.status.forced_endpoint = False
+        self.workflow.store()
+        return redirect('.')
+
 
 class WorkflowStatusDirectory(Directory):
     _q_exports = ['']

wcs/workflows.py

@@ -133,9 +133,12 @@ class Workflow(StorableObject):
         for status in self.possible_status:
             waitpoint = False
             endpoint = True
-            for item in status.items:
-                endpoint = item.endpoint and endpoint
-                waitpoint = item.waitpoint or waitpoint
+            if status.forced_endpoint:
+                endpoint = True
+            else:
+                for item in status.items:
+                    endpoint = item.endpoint and endpoint
+                    waitpoint = item.waitpoint or waitpoint
             if endpoint or waitpoint:
                 waitpoint_status.append(status)
         return waitpoint_status
@@ -148,6 +151,8 @@ class Workflow(StorableObject):
     def get_not_endpoint_status(self):
         not_endpoint_status = []
         for status in self.possible_status:
+            if status.forced_endpoint:
+                continue
             endpoint = True
             for item in status.items:
                 endpoint = item.endpoint and endpoint
@@ -335,6 +340,7 @@ class WorkflowStatus:
     name = None
     items = None
     visibility = None
+    forced_endpoint = False
 
     def __init__(self, name = None):
         self.name = name