From 2094355d84e86a5a8d7d32bb016018c99aef6397 Mon Sep 17 00:00:00 2001
From: helmutm <helmutm@fd906abe-77d9-0310-91a1-e0d9ade77398>
Date: Sat, 27 Dec 2008 10:41:50 +0000
Subject: [PATCH] work in progress: task management with work items

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3086 fd906abe-77d9-0310-91a1-e0d9ade77398
---
 organize/interfaces.py |  2 +-
 organize/work.py       | 10 +++++-----
 tracking/btree.py      | 14 ++++++++------
 3 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/organize/interfaces.py b/organize/interfaces.py
index 8a677a3..04c1e12 100644
--- a/organize/interfaces.py
+++ b/organize/interfaces.py
@@ -452,7 +452,7 @@ class IWorkItem(Interface):
     created = Attribute('The timeStamp of the initial creation of the work item.')
     assigned = Attribute('The timeStamp of the assignment of the work item.')
     predecessor = Attribute('Optional: a work item this work item was created from.')
-    continuation = Attribute('Optional: a work item that was created from this one '
+    successor = Attribute('Optional: a work item that was created from this one '
                 'to continue the work.')
     newTask = Attribute('Optional: a new task that has been created based '
                 'on this work item.')
diff --git a/organize/work.py b/organize/work.py
index 6b59917..c89a88c 100644
--- a/organize/work.py
+++ b/organize/work.py
@@ -47,8 +47,9 @@ def workItemStates():
         State('running', 'running', ('finish', 'continue', 'cancel', 'transfer'),
               color='orange'),
         State('finished', 'finished', (), color='green'),
-        State('continued', 'continued', (), color='blue'),
-        State('transferred', 'transferred', (), color='lightblue'),
+        State('continued', 'continued', ('finish', 'cancel'), color='blue'),
+        State('transferred', 'transferred', ('finish', 'cancel'),
+              color='lightblue'),
         State('cancelled', 'cancelled', (), color='grey'),
         Transition('assign', 'assign', 'assigned'),
         Transition('start', 'start', 'running'),
@@ -169,8 +170,8 @@ class WorkItemTrack(WorkItem, Track):
             new = workItems.add(self.taskId, self.userName, self.runId, **newData)
             if transition == 'continue':
                 new.assign()
-            new.data['predecessor'] = self.__name__
-            self.data['continuation'] = new.__name__
+            new.data['predecessor'] = getName(self)
+            self.data['successor'] = getName(new)
             return new
 
     def reindex(self):
@@ -178,7 +179,6 @@ class WorkItemTrack(WorkItem, Track):
 
     def checkOverwrite(self, kw):
         for k, v in kw.items():
-            #old = data.get(k)
             old = getattr(self, k, None)
             if old is not None and old != v:
                 raise ValueError("Attribute '%s' already set to '%s'." % (k, old))
diff --git a/tracking/btree.py b/tracking/btree.py
index 061d1a3..bc58f82 100644
--- a/tracking/btree.py
+++ b/tracking/btree.py
@@ -23,14 +23,13 @@ $Id$
 """
 
 import time
-
-from zope.interface import implements
-from zope.app.container.btree import BTreeContainer
-from zope.index.field import FieldIndex
-
 from persistent import Persistent
 from BTrees import OOBTree, IOBTree
 from BTrees.IFBTree import intersection, union
+from zope.interface import implements
+from zope.app.container.btree import BTreeContainer
+from zope.index.field import FieldIndex
+from zope.traversing.interfaces import IPhysicallyLocatable
 
 from interfaces import IRun, ITrackingStorage, ITrack
 
@@ -54,7 +53,7 @@ class Run(object):
 
 class Track(Persistent):
 
-    implements(ITrack)
+    implements(ITrack, IPhysicallyLocatable)
 
     metadata_attributes = ('taskId', 'runId', 'userName', 'timeStamp')
     index_attributes = metadata_attributes
@@ -73,6 +72,9 @@ class Track(Persistent):
         self.timeStamp = getTimeStamp()
         self.data = data
 
+    def getName(self):
+        return self.__name__
+
     def update(self, newData):
         if not newData:
             return