Used 'nav' request param instead of session for storing info about the initiator of an object creation.

gen/plone25/mixins/__init__.py

@@ -74,25 +74,26 @@ class AbstractMixin:
         '''This method is called when a user wants to create a root object in
            the application folder or an object through a reference field.'''
         rq = self.REQUEST
-        if rq.get('initiator', None):
+        typeName = rq.get('type_name')
+        # Create the params to add to the URL we will redirect the user to
+        # create the object.
+        urlParams = {'mode':'edit', 'page':'main', 'nav':''}
+        if rq.get('nav', None):
             # The object to create will be linked to an initiator object through
-            # a ref field.
+            # a ref field. We create here a new navigation string with one more
-            rq.SESSION['initiator'] = rq.get('initiator')
+            # item, that will be the currently created item.
-            rq.SESSION['initiatorField'] = rq.get('field')
+            splitted = rq.get('nav').split('.')
-            rq.SESSION['initiatorTarget'] = rq.get('type_name')
+            splitted[-1] = splitted[-2] = str(int(splitted[-1])+1)
-        if self._appy_meta_type == 'Tool':
+            urlParams['nav'] = '.'.join(splitted)
-            if rq.get('initiator', None):
+        # Determine base URL
-                # This is the creation of an object linked to the tool
         baseUrl = self.absolute_url()
-            else:
+        if (self._appy_meta_type == 'Tool') and not urlParams['nav']:
             # This is the creation of a root object in the app folder
             baseUrl = self.getAppFolder().absolute_url()
-        else:
+        objId = self.generateUniqueId(typeName)
-            baseUrl = self.absolute_url()
+        editUrl = '%s/portal_factory/%s/%s/skyn/edit' % \
-        objId = self.generateUniqueId(rq.get('type_name'))
+                  (baseUrl, typeName, objId)
-        urlBack = '%s/portal_factory/%s/%s/skyn/edit' % \
+        return self.goto(self.getUrl(editUrl, **urlParams))
-                  (baseUrl, rq.get('type_name'), objId)
-        return self.goto(urlBack)
 
     def intraFieldValidation(self, errors, values):
         '''This method performs field-specific validation for every field from
@@ -145,6 +146,13 @@ class AbstractMixin:
         # Go back to the consult view if the user clicked on 'Cancel'
         if rq.get('buttonCancel.x', None):
             if isNew:
+                if rq.get('nav', ''):
+                    # We can go back to the initiator page.
+                    splitted = rq['nav'].split('.')
+                    initiator = self.getTool().getObject(splitted[1])
+                    initiatorPage = splitted[2].split(':')[1]
+                    urlBack = initiator.getUrl(page=initiatorPage, nav='')
+                else:
                     # Go back to the Plone site (no better solution at present).
                     urlBack = self.portal_url.getPortalObject().absolute_url()
             else:
@@ -956,22 +964,15 @@ class AbstractMixin:
         '''Every time an object is created or updated, this method updates
            the Reference fields accordingly.'''
         self._appy_manageRefsFromRequest()
-        # If the creation was initiated by another object, update the
+        rq = self.REQUEST
-        # reference.
+        # If the creation was initiated by another object, update the ref.
-        if created and hasattr(self.REQUEST, 'SESSION'):
+        if created and rq.get('nav', None):
-            # When used by the test system, no SESSION object is created.
+            # Get the initiator
-            session = self.REQUEST.SESSION
+            splitted = rq['nav'].split('.')
-            initiatorUid = session.get('initiator', None)
+            initiator = self.uid_catalog.searchResults(
-            initiator = None
+                                                UID=splitted[1])[0].getObject()
-            if initiatorUid:
+            fieldName = splitted[2].split(':')[1]
-                initiatorRes = self.uid_catalog.searchResults(UID=initiatorUid)
-                if initiatorRes:
-                    initiator = initiatorRes[0].getObject()
-            if initiator:
-                fieldName = session.get('initiatorField')
             initiator.appy().link(fieldName, self)
-                # Re-initialise the session
-                session['initiator'] = None
 
     def _appy_manageRefsFromRequest(self):
         '''Appy manages itself some Ref fields (with link=True). So here we must
@@ -1021,7 +1022,8 @@ class AbstractMixin:
              in the request for the corresponding key (if existing; else, the
              param will not be included in the URL at all).'''
         # Define base URL if ommitted
-        if not base: base = self.absolute_url()
+        if not base:
+            base = '%s/skyn/%s' % (self.absolute_url(), mode)
         # Manage default args
         if not kwargs: kwargs = self.getUrlDefaults
         if 'page' not in kwargs: kwargs['page'] = True
@@ -1039,8 +1041,7 @@ class AbstractMixin:
             else:                    params = '?' + params
         else:
             params = ''
-        # Return the full constructed URL
+        return '%s%s' % (base, params)
-        return '%s/skyn/%s%s' % (base, mode, params)
 
     def translate(self, label, mapping={}, domain=None, default=None):
         '''Translates a given p_label into p_domain with p_mapping.'''

gen/plone25/skin/edit.pt

@@ -52,7 +52,7 @@
             tal:attributes="action python: contextObj.absolute_url()+'/skyn/do'">
         <input type="hidden" name="action" value="Update"/>
         <input type="hidden" name="page" tal:attributes="value page"/>
-        <input type="hidden" name="nav" tal:attributes="value python:request.get('nav', '')"/>
+        <input type="hidden" name="nav" tal:attributes="value request/nav|nothing"/>
         <input type="hidden" name="is_new" tal:attributes="value contextObj/checkCreationFlag"/>
         <metal:show use-macro="here/skyn/page/macros/show"/>
       </form>

gen/plone25/skin/page.pt

@@ -243,7 +243,6 @@
   // Function that allows to generate a document from a pod template.
   function generatePodDocument(contextUid, templateUid, fieldName, podFormat) {
     var theForm = document.getElementsByName("podTemplateForm")[0];
-    alert('The form =' + theForm);
     theForm.objectUid.value = contextUid;
     theForm.templateUid.value = templateUid;
     theForm.fieldName.value = fieldName;

gen/plone25/skin/widgets/ref.pt

@@ -63,9 +63,10 @@
       through a reference widget. Indeed, If field was declared as "addable", we must provide
       an icon for creating a new linked object (at least if multiplicities allow it).</tal:comment>
   <img style="cursor:pointer" tal:condition="showPlusIcon"
+       tal:define="navInfo python:'ref.%s.%s:%s.%d.%d' % (contextObj.UID(), fieldName, appyType['page'], 0, totalNumber);"
        tal:attributes="src string:$portal_url/skyn/plus.png;
                        title python: tool.translate('add_ref');
-                       onClick python: 'href: window.location=\'%s/skyn/do?action=Create&initiator=%s&field=%s&type_name=%s\'' % (folder.absolute_url(), contextObj.UID(), fieldName, linkedPortalType)"/>
+                       onClick python: 'href: window.location=\'%s/skyn/do?action=Create&type_name=%s&nav=%s\'' % (folder.absolute_url(), linkedPortalType, navInfo)"/>
 </metal:plusIcon>
 
 <tal:comment replace="nothing">

gen/plone25/wrappers/ToolWrapper.py

@@ -31,8 +31,9 @@ class ToolWrapper(AbstractWrapper):
         '''Retrieves the object that triggered the creation of the object
            being currently created (if any).'''
         res = None
-        initiatorUid = self.session['initiator']
+        rq = self.o.REQUEST
-        if initiatorUid:
+        if rq.get('nav', ''):
+            initiatorUid = rq['nav'].split('.')[1]
             res = self.o.uid_catalog(UID=initiatorUid)[0].getObject().appy()
         return res