item: display item tracking with graph editor

bt5/erp5_item/SkinTemplateItem/portal_skins/erp5_item/Item_getTrackingListGraphAsJSON.py

+import json
+portal = context.getPortalObject()
+graph = {'node': {}, 'edge': {}}
+
+
+class_definition = {
+  'movement': {
+    '_class': 'edge',
+    'type': 'object',
+    'description': 'Movement changing the location of the item',
+    'properties': { }
+  },
+  'node': {
+    '_class': 'node',
+    'type': 'object',
+    'description': 'A Node where the item was moved to',
+    'properties': { },
+  },
+}
+
+for i, tracking in enumerate(reversed(portal.portal_simulation.getTrackingList(aggregate_uid=context.getUid()))):
+  movement = portal.portal_catalog.getObject(tracking.delivery_uid)
+  for node in (movement.getSourceValue(), movement.getDestinationValue()):
+    if node:
+      graph['node'][node.getUid()] = dict(
+        _class='node',
+        name=node.getTitle(),
+        link=node.absolute_url())
+    else:
+      graph['node']["null"] = dict(
+        _class='node',
+        name="(origin)")
+
+  graph['edge'][movement.getUid()] = dict(
+    _class="movement",
+    name="%s: %s (%s)" % (i+1, movement.getTitle(), movement.getStopDate().strftime("%Y/%m/%d")),
+    link=movement.absolute_url(),
+    source=movement.getSourceUid() or "null",
+    destination=movement.getDestinationUid() or "null")
+return json.dumps(dict(graph=graph, class_definition=class_definition), indent=2)

bt5/erp5_item/SkinTemplateItem/portal_skins/erp5_item/Item_getTrackingListGraphAsJSON.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Item_getTrackingListGraphAsJSON</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

bt5/erp5_item/SkinTemplateItem/portal_skins/erp5_item/Item_viewTrackingList.xml

@@ -76,6 +76,7 @@
                     <value>
                       <list>
                         <string>listbox</string>
+                        <string>my_jsplumb_graph</string>
                       </list>
                     </value>
                 </item>