Reworked AJAX framework with a lot of new sorting and filtering possibilities.

gen/__init__.py

@@ -1,7 +1,7 @@
 # ------------------------------------------------------------------------------
 import re, time
 from appy.shared.utils import Traceback
-from appy.gen.utils import sequenceTypes, PageDescr
+from appy.gen.utils import sequenceTypes, PageDescr, Keywords
 from appy.shared.data import countries
 
 # Default Appy permissions -----------------------------------------------------
@@ -54,6 +54,56 @@ class Search:
         self.limit = limit
         self.fields = fields # This is a dict whose keys are indexed field
         # names and whose values are search values.
+    @staticmethod
+    def getIndexName(fieldName, usage='search'):
+        '''Gets the name of the technical index that corresponds to field named
+           p_fieldName. Indexes can be used for searching (p_usage="search") or
+           for sorting (usage="sort"). The method returns None if the field
+           named p_fieldName can't be used for p_usage.'''
+        if fieldName == 'title':
+            if usage == 'search':  return 'Title'
+            else:                  return 'sortable_title'
+            # Indeed, for field 'title', Plone has created a specific index
+            # 'sortable_title', because index 'Title' is a ZCTextIndex
+            # (for searchability) and can't be used for sorting.
+        elif fieldName == 'description':
+            if usage == 'search':  return 'Description'
+            else:                  return None
+        elif fieldName == 'state': return 'review_state'
+        else:
+            return 'get%s%s'% (fieldName[0].upper(),fieldName[1:])
+    @staticmethod
+    def getSearchValue(fieldName, fieldValue):
+        '''Returns a transformed p_fieldValue for producing a valid search
+           value as required for searching in the index corresponding to
+           p_fieldName.'''
+        if fieldName == 'title':
+            # Title is a ZCTextIndex. We must split p_fieldValue into keywords.
+            res = Keywords(fieldValue.decode('utf-8')).get()
+        elif isinstance(fieldValue, basestring) and fieldValue.endswith('*'):
+            v = fieldValue[:-1]
+            # Warning: 'z' is higher than 'Z'!
+            res = {'query':(v,v+'z'), 'range':'min:max'}
+        elif type(fieldValue) in sequenceTypes:
+            if fieldValue and isinstance(fieldValue[0], basestring):
+                # We have a list of string values (ie: we need to
+                # search v1 or v2 or...)
+                res = fieldValue
+            else:
+                # We have a range of (int, float, DateTime...) values
+                minv, maxv = fieldValue
+                rangev = 'minmax'
+                queryv = fieldValue
+                if minv == None:
+                    rangev = 'max'
+                    queryv = maxv
+                elif maxv == None:
+                    rangev = 'min'
+                    queryv = minv
+                res = {'query':queryv, 'range':rangev}
+        else:
+            res = fieldValue
+        return res
 
 # ------------------------------------------------------------------------------
 class Type:

gen/plone25/mixins/ToolMixin.py

@@ -105,10 +105,11 @@ class ToolMixin(AbstractMixin):
         if res: return res[0].getObject()
         return None
 
-    _sortFields = {'title': 'sortable_title'}
     def executeQuery(self, contentType, flavourNumber=1, searchName=None,
                      startNumber=0, search=None, remember=False,
-                     brainsOnly=False, maxResults=None, noSecurity=False):
+                     brainsOnly=False, maxResults=None, noSecurity=False,
+                     sortBy=None, sortOrder='asc',
+                     filterKey=None, filterValue=None):
         '''Executes a query on a given p_contentType (or several, separated
            with commas) in Plone's portal_catalog. Portal types are from the
            flavour numbered p_flavourNumber. If p_searchName is specified, it
@@ -136,7 +137,16 @@ class ToolMixin(AbstractMixin):
            p_maxResults equals string "NO_LIMIT".
 
            If p_noSecurity is True, it gets all the objects, even those that the
-           currently logged user can't see.'''
+           currently logged user can't see.
+
+           The result is sorted according to the potential sort key defined in
+           the Search instance (Search.sortBy). But if parameter p_sortBy is
+           given, it defines or overrides the sort. In this case, p_sortOrder
+           gives the order (*asc*ending or *desc*ending).
+
+           If p_filterKey is given, it represents an additional search parameter
+           to take into account: the corresponding search value is in
+           p_filterValue.'''
         # Is there one or several content types ?
         if contentType.find(',') != -1:
             # Several content types are specified
@@ -149,59 +159,40 @@ class ToolMixin(AbstractMixin):
         params = {'portal_type': portalTypes}
         if not brainsOnly: params['batch'] = True
         # Manage additional criteria from a search when relevant
-        if searchName or search:
+        if searchName:
             # In this case, contentType must contain a single content type.
             appyClass = self.getAppyClass(contentType)
-            if searchName:
+            if searchName != '_advanced':
-                if searchName != '_advanced':
+                search = ArchetypesClassDescriptor.getSearch(
-                    search = ArchetypesClassDescriptor.getSearch(
+                    appyClass, searchName)
-                        appyClass, searchName)
+            else:
-                else:
+                fields = self.REQUEST.SESSION['searchCriteria']
-                    fields = self.REQUEST.SESSION['searchCriteria']
+                search = Search('customSearch', **fields)
-                    search = Search('customSearch', **fields)
         if search:
             # Add additional search criteria
             for fieldName, fieldValue in search.fields.iteritems():
                 # Make the correspondance between the name of the field and the
                 # name of the corresponding index.
-                attrName = fieldName
+                attrName = Search.getIndexName(fieldName)
-                if attrName == 'title': attrName = 'Title'
-                elif attrName == 'description': attrName = 'Description'
-                elif attrName == 'state': attrName = 'review_state'
-                else: attrName = 'get%s%s'% (fieldName[0].upper(),fieldName[1:])
                 # Express the field value in the way needed by the index
-                if isinstance(fieldValue, basestring) and \
+                params[attrName] = Search.getSearchValue(fieldName, fieldValue)
-                   fieldValue.endswith('*'):
-                    v = fieldValue[:-1]
-                    params[attrName] = {'query':(v,v+'z'), 'range':'min:max'}
-                    # Warning: 'z' is higher than 'Z'!
-                elif type(fieldValue) in sequenceTypes:
-                    if fieldValue and isinstance(fieldValue[0], basestring):
-                        # We have a list of string values (ie: we need to
-                        # search v1 or v2 or...)
-                        params[attrName] = fieldValue
-                    else:
-                        # We have a range of (int, float, DateTime...) values
-                        minv, maxv = fieldValue
-                        rangev = 'minmax'
-                        queryv = fieldValue
-                        if minv == None:
-                            rangev = 'max'
-                            queryv = maxv
-                        elif maxv == None:
-                            rangev = 'min'
-                            queryv = minv
-                        params[attrName] = {'query':queryv, 'range':rangev}
-                else:
-                    params[attrName] = fieldValue
             # Add a sort order if specified
-            sb = search.sortBy
+            sortKey = search.sortBy
-            if sb:
+            if sortKey:
-                # For field 'title', Plone has created a specific index
+                params['sort_on'] = Search.getIndexName(sortKey, usage='sort')
-                # 'sortable_title', because index 'Title' is a ZCTextIndex
+        # Determine or override sort if specified.
-                # (for searchability) and can't be used for sorting.
+        if sortBy:
-                if self._sortFields.has_key(sb): sb = self._sortFields[sb]
+            params['sort_on'] = Search.getIndexName(sortBy, usage='sort')
-                params['sort_on'] = sb
+            if sortOrder == 'desc': params['sort_order'] = 'reverse'
+            else:                   params['sort_order'] = None
+        # If defined, add the filter among search parameters.
+        if filterKey:
+            filterKey = Search.getIndexName(filterKey)
+            filterValue = Search.getSearchValue(filterKey, filterValue)
+            params[filterKey] = filterValue
+            # TODO This value needs to be merged with an existing one if already
+            # in params, or, in a first step, we should avoid to display the
+            # corresponding filter widget on the screen.
         # Determine what method to call on the portal catalog
         if noSecurity: catalogMethod = 'unrestrictedSearchResults'
         else:          catalogMethod = 'searchResults'
@@ -544,14 +535,13 @@ class ToolMixin(AbstractMixin):
         if cookieValue: return cookieValue.value
         return default
 
-    def getQueryUrl(self, contentType, flavourNumber, searchName, ajax=True,
+    def getQueryUrl(self, contentType, flavourNumber, searchName,
                     startNumber=None):
-        '''This method creates the URL that allows to perform an ajax GET
+        '''This method creates the URL that allows to perform a (non-Ajax)
            request for getting queried objects from a search named p_searchName
-           on p_contentType from flavour numbered p_flavourNumber. If p_ajax
+           on p_contentType from flavour numbered p_flavourNumber.'''
-           is False, it returns the non-ajax URL.'''
         baseUrl = self.getAppFolder().absolute_url() + '/skyn'
-        baseParams = 'type_name=%s&flavourNumber=%s'%(contentType,flavourNumber)
+        baseParams= 'type_name=%s&flavourNumber=%s' %(contentType,flavourNumber)
         # Manage start number
         rq = self.REQUEST
         if startNumber != None:
@@ -559,12 +549,8 @@ class ToolMixin(AbstractMixin):
         elif rq.has_key('startNumber'):
             baseParams += '&startNumber=%s' % rq['startNumber']
         # Manage search name
-        if searchName or ajax: baseParams += '&search=%s' % searchName
+        if searchName: baseParams += '&search=%s' % searchName
-        if ajax:
+        return '%s/query?%s' % (baseUrl, baseParams)
-            return '%s/ajax?objectUid=%s&page=macros&macro=queryResult&%s' % \
-                   (baseUrl, self.UID(), baseParams)
-        else:
-            return '%s/query?%s' % (baseUrl, baseParams)
 
     def computeStartNumberFrom(self, currentNumber, totalNumber, batchSize):
         '''Returns the number (start at 0) of the first element in a list
@@ -666,7 +652,7 @@ class ToolMixin(AbstractMixin):
             startNumber = self.computeStartNumberFrom(res['currentNumber']-1,
                 res['totalNumber'], batchSize)
             res['sourceUrl'] = self.getQueryUrl(contentType, flavourNumber,
-                searchName, ajax=False, startNumber=startNumber)
+                searchName, startNumber=startNumber)
         # Compute URLs
         for urlType in ('previous', 'next', 'first', 'last'):
             exec 'needIt = %sNeeded' % urlType

gen/plone25/mixins/__init__.py

@@ -659,6 +659,15 @@ class AbstractMixin:
         isDelta = True
         self.changeRefOrder(rq['fieldName'], rq['refObjectUid'], move, isDelta)
 
+    def onSortReference(self):
+        '''This method is called when the user wants to sort the content of a
+           reference field.'''
+        rq = self.REQUEST
+        fieldName = rq.get('fieldName')
+        sortKey = rq.get('sortKey')
+        reverse = rq.get('reverse') == 'True'
+        self.appy().sort(fieldName, sortKey=sortKey, reverse=reverse)
+
     def getWorkflow(self, appy=True):
         '''Returns the Appy workflow instance that is relevant for this
            object. If p_appy is False, it returns the DC workflow.'''
@@ -1243,27 +1252,9 @@ class AbstractMixin:
                     exec 'self.set%s%s([])' % (fieldName[0].upper(),
                                                fieldName[1:])
 
-    def getUrl(self, t='view', **kwargs):
+    def getUrl(self):
-        '''This method returns various URLs about this object.'''
+        '''Returns the Appy URL for viewing this object.'''
-        baseUrl = self.absolute_url()
+        return self.absolute_url() + '/skyn/view'
-        params = ''
-        rq = self.REQUEST
-        for k, v in kwargs.iteritems(): params += '&%s=%s' % (k, v)
-        if params: params = params[1:]
-        if t == 'showRef':
-            chunk = '/skyn/ajax?objectUid=%s&page=ref&' \
-                'macro=showReferenceContent&' % self.UID()
-            startKey = '%s%s_startNumber' % (self.UID(), kwargs['fieldName'])
-            if rq.has_key(startKey) and not kwargs.has_key(startKey):
-                params += '&%s=%s' % (startKey, rq[startKey])
-            return baseUrl + chunk + params
-        elif t == 'showHistory':
-            chunk = '/skyn/ajax?objectUid=%s&page=macros&macro=history' % \
-                self.UID()
-            if params: params = '&' + params
-            return baseUrl + chunk + params
-        else: # We consider t=='view'
-            return baseUrl + '/skyn/view' + params
 
     def translate(self, label, mapping={}, domain=None, default=None):
         '''Translates a given p_label into p_domain with p_mapping.'''

gen/plone25/skin/ajax.pt

@@ -1,15 +1,12 @@
 <tal:comment replace="nothing">
   This page is called by a XmlHttpRequest object. It requires parameters "page" and "macro":
   they are used to call the macro that will render the HTML chunk to be returned to the browser.
-  It also requires parameters "objectUid", which is the UID of the related object. The object will
-  be available to the macro as "contextObj".
   It can also have a parameter "action", that refers to a method that will be triggered on
   contextObj before returning the result of the macro to the browser.
 </tal:comment>
 <tal:ajax define="page request/page;
                   macro request/macro;
-                  macroPath python: 'here/%s/macros/%s' % (page, macro);
+                  contextObj context/getParentNode;
-                  contextObj python: context.uid_catalog(UID=request['objectUid'])[0].getObject();
                   action request/action|nothing;
                   response request/RESPONSE;
                   member context/portal_membership/getAuthenticatedMember;
@@ -18,8 +15,11 @@
                   dummy python:response.setHeader('Content-Type','text/html;;charset=utf-8');
                   dummy2 python:response.setHeader('Expires', 'Mon, 11 Dec 1975 12:05:05 GMT');
                   dummy3 python:response.setHeader('CacheControl', 'no-cache')">
+  <tal:comment replace="nothing">Keys "Expires" and "CacheControl" are used for preventing IE to cache
+    this page. Indeed, this page is retrieved through an asynchronous XMLHttpRequest by the browser, and
+    IE caches this by default.</tal:comment>
   <tal:executeAction condition="action">
     <tal:do define="dummy python: contextObj.getAppyValue('on'+action)()" omit-tag=""/>
   </tal:executeAction>
-  <metal:callMacro use-macro="python: context.get(page).macros.get(macro)"/>
+  <metal:callMacro use-macro="python: portal.skyn.get(page).macros.get(macro)"/>
 </tal:ajax>

gen/plone25/skin/macros.pt

@@ -295,12 +295,12 @@
                   batchSize   historyInfo/batchSize;
                   totalNumber historyInfo/totalNumber;
                   ajaxHookId  python:'appyHistory';
-                  baseUrl     python: contextObj.getUrl('showHistory', startNumber='**v**');
+                  navBaseCall python: 'askObjectHistory(\'%s\',\'%s\',**v**)' % (ajaxHookId, contextObj.absolute_url());
                   tool        contextObj/getTool">
 
   <tal:comment replace="nothing">Table containing the history</tal:comment>
   <tal:history condition="objs">
-  <metal:nav use-macro="here/skyn/macros/macros/appyNavigate"/>
+  <metal:nav use-macro="here/skyn/navigate/macros/appyNavigate"/>
   <table width="100%" class="listing nosort">
     <tr i18n:domain="plone">
       <th i18n:translate="listingheader_action"/>
@@ -370,8 +370,11 @@
     this.xhr = false;
     if (window.XMLHttpRequest) this.xhr = new XMLHttpRequest();
     else this.xhr = new ActiveXObject("Microsoft.XMLHTTP");
-    this.hook = ''; // The ID of the HTML element in the page that will be
+    this.hook = '';  /* The ID of the HTML element in the page that will be
-    // replaced by result of executing the Ajax request.
+                        replaced by result of executing the Ajax request. */
+    this.onGet = ''; /* The name of a Javascript function to call once we
+                        receive the result. */
+    this.info = {};  /* An associative array for putting anything else. */
   }
 
   function getAjaxChunk(pos) {
@@ -391,15 +394,35 @@
         var hookElem = document.getElementById(hook);
         if (hookElem && (xhrObjects[pos].xhr.status == 200)) {
           hookElem.innerHTML = xhrObjects[pos].xhr.responseText;
+          // Call a custom Javascript function if required
+          if (xhrObjects[pos].onGet) {
+            xhrObjects[pos].onGet(xhrObjects[pos], hookElem);
+          }
         }
         xhrObjects[pos].freed = 1;
       }
     }
   }
 
-  function askAjaxChunk(hook, url) {
+  function askAjaxChunk(hook,mode,url,page,macro,params,beforeSend,onGet) {
-    // This function will ask to get a chunk of HTML on the server by
+    /* This function will ask to get a chunk of HTML on the server through a
-    // triggering a XMLHttpRequest.
+       XMLHttpRequest. p_mode can be 'GET' or 'POST'. p_url is the URL of a
+       given server object. On this URL we will call the page "ajax.pt" that
+       will call a specific p_macro in a given p_page with some additional
+       p_params (must be an associative array) if required.
+
+       p_hook is the ID of the HTML element that will be filled with the HTML
+       result from the server.
+
+       p_beforeSend is a Javascript function to call before sending the request.
+       This function will get 2 args: the XMLHttpRequest object and the
+       p_params. This method can return, in a string, additional parameters to
+       send, ie: "&param1=blabla&param2=blabla".
+
+       p_onGet is a Javascript function to call when we will receive the answer.
+       This function will get 2 args, too: the XMLHttpRequest object and the
+       HTML node element into which the result has been inserted.
+    */
     // First, get a non-busy XMLHttpRequest object.
     var pos = -1;
     for (var i=0; i < xhrObjects.length; i++) {
@@ -410,16 +433,86 @@
       xhrObjects[pos] = new XhrObject();
     }
     xhrObjects[pos].hook = hook;
+    xhrObjects[pos].onGet = onGet;
     if (xhrObjects[pos].xhr) {
-      xhrObjects[pos].freed = 0;
+      var rq = xhrObjects[pos];
-      // Perform the asynchronous HTTP GET
+      rq.freed = 0;
-      xhrObjects[pos].xhr.open('GET', url, true);
+      // Construct parameters
-      xhrObjects[pos].xhr.onreadystatechange = function() { getAjaxChunk(pos); }
+      var paramsFull = 'page=' + page + '&macro=' + macro;
-      if (window.XMLHttpRequest) { xhrObjects[pos].xhr.send(null); }
+      if (params) {
-      else if (window.ActiveXObject) { xhrObjects[pos].xhr.send(); }
+        for (var paramName in params)
+          paramsFull = paramsFull + '&' + paramName + '=' + params[paramName];
+      }
+      // Call beforeSend if required
+      if (beforeSend) {
+         var res = beforeSend(rq, params);
+         if (res) paramsFull = paramsFull + res;
+      }
+      // Construct the URL to call
+      var urlFull = url + '/skyn/ajax';
+      if (mode == 'GET') {
+        urlFull = urlFull + '?' + paramsFull;
+      }
+      // Perform the asynchronous HTTP GET or POST
+      rq.xhr.open(mode, urlFull, true);
+      if (mode == 'POST') {
+        // Set the correct HTTP headers
+        rq.xhr.setRequestHeader(
+          "Content-Type", "application/x-www-form-urlencoded");
+        rq.xhr.setRequestHeader("Content-length", paramsFull.length);
+        rq.xhr.setRequestHeader("Connection", "close");
+        rq.xhr.onreadystatechange = function(){ getAjaxChunk(pos); }
+        rq.xhr.send(paramsFull);
+      }
+      else if (mode == 'GET') {
+        rq.xhr.onreadystatechange = function() { getAjaxChunk(pos); }
+        if (window.XMLHttpRequest) { rq.xhr.send(null); }
+        else if (window.ActiveXObject) { rq.xhr.send(); }
+      }
     }
   }
 
+  /* The functions below wrap askAjaxChunk for getting specific content through
+     an Ajax request. */
+  function askQueryResult(hookId, objectUrl, contentType, flavourNumber,
+              searchName, startNumber, sortKey, sortOrder, filterKey) {
+    // Sends an Ajax request for getting the result of a query.
+    var params = {'type_name': contentType, 'flavourNumber': flavourNumber,
+                  'search': searchName, 'startNumber': startNumber};
+    if (sortKey) params['sortKey'] = sortKey;
+    if (sortOrder) params['sortOrder'] = sortOrder;
+    if (filterKey) {
+      var filterWidget = document.getElementById(hookId + '_' + filterKey);
+      if (filterWidget && filterWidget.value) {
+        params['filterKey'] = filterKey;
+        params['filterValue'] = filterWidget.value;
+      }
+    }
+    askAjaxChunk(hookId,'GET',objectUrl,'macros','queryResult',params);
+  }
+
+  function askObjectHistory(hookId, objectUrl, startNumber) {
+    // Sends an Ajax request for getting the history of an object
+    var params = {'startNumber': startNumber};
+    askAjaxChunk(hookId, 'GET', objectUrl, 'macros', 'history', params);
+  }
+
+  function askRefField(hookId, objectUrl, fieldName, isBack, innerRef, labelId,
+                       descrId, startNumber, action, actionParams){
+    // Sends an Ajax request for getting the content of a reference field.
+    var startKey = hookId + '_startNumber';
+    var params = {'fieldName': fieldName, 'isBack': isBack,
+                  'innerRef': innerRef, 'labelId': labelId,
+                  'descrId': descrId };
+    params[startKey] =  startNumber;
+    if (action) params['action'] = action;
+    if (actionParams) {
+        for (key in actionParams) { params[key] = actionParams[key]; };
+    }
+    askAjaxChunk(hookId, 'GET', objectUrl, 'ref', 'showReferenceContent',
+                 params);
+  }
+
   // Function used by checkbox widgets for having radio-button-like behaviour
   function toggleCheckbox(visibleCheckbox, hiddenBoolean) {
     vis = document.getElementById(visibleCheckbox);
@@ -633,10 +726,9 @@
         <td colspan="2">
           <span id="appyHistory"
                 tal:attributes="style python:test(historyExpanded, 'display:block', 'display:none')">
-          <div tal:define="ajaxHookId python: contextObj.UID() + '_history';
+          <div tal:define="ajaxHookId python: contextObj.UID() + '_history';"
-                           ajaxUrl python: contextObj.getUrl('showHistory')"
                tal:attributes="id ajaxHookId">
-             <script language="javascript" tal:content="python: 'askAjaxChunk(\'%s\',\'%s\')' % (ajaxHookId, ajaxUrl)">
+             <script language="javascript" tal:content="python: 'askObjectHistory(\'%s\',\'%s\',0)' % (ajaxHookId, contextObj.absolute_url())">
              </script>
           </div>
           </span>
@@ -655,7 +747,7 @@
         </td>
       </tr>
     </table>
-    <metal:nav use-macro="here/skyn/macros/macros/objectNavigate"/>
+    <metal:nav use-macro="here/skyn/navigate/macros/objectNavigate"/>
 
     <tal:comment replace="nothing">Tabs</tal:comment>
     <ul class="contentViews appyTabs" tal:condition="python: len(appyPages)&gt;1">
@@ -726,12 +818,16 @@
                searchLabel   python: test(searchName=='_advanced', 'search_results', '%s_search_%s' % (contentType, searchName));
                searchDescr   python: '%s_descr' % searchLabel;
                severalTypes  python: contentType and (contentType.find(',') != -1);
-               queryResult   python: tool.executeQuery(contentType, flavourNumber, searchName, startNumber, remember=True);
+               sortKey       request/sortKey| python:'';
+               sortOrder     request/sortOrder| python:'asc';
+               filterKey     request/filterKey| python:'';
+               filterValue   request/filterValue | python:'';
+               queryResult   python: tool.executeQuery(contentType, flavourNumber, searchName, startNumber, remember=True, sortBy=sortKey, sortOrder=sortOrder, filterKey=filterKey, filterValue=filterValue);
                objs          queryResult/objects;
                totalNumber   queryResult/totalNumber;
                batchSize     queryResult/batchSize;
                ajaxHookId    python:'queryResult';
-               baseUrl       python: tool.getQueryUrl(contentType, flavourNumber, searchName, startNumber='**v**');
+               navBaseCall   python: 'askQueryResult(\'%s\',\'%s\',\'%s\',\'%s\',\'%s\',**v**)' % (ajaxHookId, tool.absolute_url(), contentType, flavourNumber, searchName);
                newSearchUrl  python: '%s/skyn/search?type_name=%s&flavourNumber=%d' % (tool.getAppFolder().absolute_url(), contentType, flavourNumber);">
 
   <tal:result condition="objs">
@@ -753,7 +849,7 @@
       </td>
       <td align="right" width="25%">
         <tal:comment replace="nothing">Appy (top) navigation</tal:comment>
-        <metal:nav use-macro="here/skyn/macros/macros/appyNavigate"/>
+        <metal:nav use-macro="here/skyn/navigate/macros/appyNavigate"/>
       </td>
     </tr></table>
 
@@ -763,26 +859,20 @@
       excepted for workflow state (which is not a field): in this case it is simply the
       string "workflowState".</tal:comment>
 
-    <tal:comment replace="nothing">Headers, with (disabled) filters and sort arrows</tal:comment>
+    <tal:comment replace="nothing">Headers, with filters and sort arrows</tal:comment>
     <tr>
       <tal:comment replace="nothing">Mandatory column "Title"/"Name"</tal:comment>
-      <th><!--img tal:attributes= "src string: $portal_url/arrowDown.gif;
+      
-                                onClick python:'javascript:onSort(\'title\')';"
+      <th tal:define="fieldName python:'title'; sortable python:True; filterable python:True">
-               id="arrow_title" style="cursor:pointer"/-->
         <span tal:content="python: tool.translate('ref_name')"/>
-        <!--input id="filter_title" type="text" size="5" onkeyup="javascript:onTextEntered('title')"/-->
+        <metal:sortAndFilter use-macro="here/skyn/navigate/macros/sortAndFilter"/>
-        <tal:comment replace="nothing">Input fields like this have been commented out because they will
-          be replaced by Ajax server- searches that will be more relevant (the current Javascript search
-          is limited to the batch, which has little interest).</tal:comment>
       </th>
 
       <tal:comment replace="nothing">Columns corresponding to other fields</tal:comment>
       <tal:columnHeader repeat="fieldDescr fieldDescrs">
-       <th tal:define="fieldName fieldDescr/atField/getName|string:workflow_state">
+       <th tal:define="fieldName  fieldDescr/atField/getName|string:workflow_state;
-        <!--img tal:attributes= "src string: $portal_url/arrowDown.gif;
+                       sortable   fieldDescr/sortable|nothing;
-                              onClick python:'javascript:onSort(\'%s\')' % fieldName;
+                       filterable fieldDescr/filterable|nothing;">
-                              id python: 'arrow_%s' % fieldName"
-             style="cursor:pointer"/-->
         <tal:comment replace="nothing">Display header for a "standard" field</tal:comment>
         <tal:standardField condition="python: fieldName != 'workflow_state'">
           <span tal:replace="python: tool.translate(fieldDescr['atField'].widget.label_msgid)"/>
@@ -791,20 +881,13 @@
         <tal:workflowState condition="python: fieldName == 'workflow_state'">
            <span tal:replace="python: tool.translate('workflow_state')"/>
         </tal:workflowState>
-        <!--input type="text" size="5"
+        <metal:sortAndFilter use-macro="here/skyn/navigate/macros/sortAndFilter"/>
-               tal:attributes="id python: 'filter_%s' % fieldName;
-                               onkeyup python:'javascript:onTextEntered(\'%s\')' % fieldName"/-->
        </th>
       </tal:columnHeader>
 
       <tal:comment replace="nothing">Column "Object type", shown if instances of several types are shown</tal:comment>
-      <th tal:condition="severalTypes"><!--img
+      <th tal:condition="severalTypes">
-          tal:attributes= "src string: $portal_url/arrowDown.gif;
-                           onClick python:'javascript:onSort(\'root_type\')';"
-          id = "arrow_root_type" style="cursor:pointer"/-->
         <span tal:replace="python: tool.translate('root_type')"/>
-        <!--input type="text" size="5" id="filter_root_type"
-               tal:attributes="onkeyup python:'javascript:onTextEntered(\'root_type\')'"/-->
       </th>
 
       <tal:comment replace="nothing">Column "Actions"</tal:comment>
@@ -872,7 +955,7 @@
     </table>
 
     <tal:comment replace="nothing">Appy (bottom) navigation</tal:comment>
-    <metal:nav use-macro="here/skyn/macros/macros/appyNavigate"/>
+    <metal:nav use-macro="here/skyn/navigate/macros/appyNavigate"/>
   </fieldset>
   </tal:result>
 
@@ -952,91 +1035,3 @@
     </table>
   </form>
 </metal:transitions>
-
-<div metal:define-macro="appyNavigate" tal:condition="python: totalNumber &gt; batchSize" align="right">
-  <tal:comment replace="nothing">
-     Buttons for navigating among a list of elements (next, back, first, last, etc).
-  </tal:comment>
-  <table cellpadding="0" cellspacing="0" class="appyNav">
-    <tr>
-      <tal:comment replace="nothing">Go to the first page</tal:comment>
-      <td><img style="cursor:pointer" tal:condition="python: (startNumber != 0) and (startNumber != batchSize)"
-        tal:attributes="src string: $portal_url/skyn/arrowLeftDouble.png;
-                        title python: tool.translate('goto_first');
-                        onClick python: 'askAjaxChunk(\'%s\', \'%s\')' % (ajaxHookId, baseUrl.replace('**v**', '0'))"/></td>
-      <tal:comment replace="nothing">Go to the previous page</tal:comment>
-      <td><img style="cursor:pointer" tal:condition="python: startNumber != 0"
-        tal:define="sNumber python: startNumber - batchSize"
-        tal:attributes="src string: $portal_url/skyn/arrowLeftSimple.png;
-                        title python: tool.translate('goto_previous');
-                        onClick python: 'askAjaxChunk(\'%s\', \'%s\')' % (ajaxHookId, baseUrl.replace('**v**', str(sNumber)))"/></td>
-      <tal:comment replace="nothing">Explain which elements are currently shown</tal:comment>
-      <td class="discreet" valign="middle">&nbsp;
-        <span tal:replace="python: startNumber+1"/>
-        <img tal:attributes="src string: $portal_url/skyn/to.png"/>
-        <span tal:replace="python: startNumber+len(objs)"/>&nbsp;<b>//</b>
-        <span tal:replace="python: totalNumber"/>&nbsp;&nbsp;
-      </td>
-      <tal:comment replace="nothing">Go to the next page</tal:comment>
-      <td><img style="cursor:pointer" tal:condition="python: sNumber &lt; totalNumber"
-        tal:define="sNumber python: startNumber + batchSize"
-        tal:attributes="src string: $portal_url/skyn/arrowRightSimple.png;
-                        title python: tool.translate('goto_next');
-                        onClick python: 'askAjaxChunk(\'%s\', \'%s\')' % (ajaxHookId, baseUrl.replace('**v**', str(sNumber)))"/></td>
-      <tal:comment replace="nothing">Go to the last page</tal:comment>
-      <td><img style="cursor:pointer" tal:condition="python: (startNumber != sNumber) and (startNumber != sNumber-batchSize)"
-        tal:define="lastPageIsIncomplete python: totalNumber % batchSize;
-                    nbOfCompletePages python: totalNumber/batchSize;
-                    nbOfCountedPages python: test(lastPageIsIncomplete, nbOfCompletePages, nbOfCompletePages-1);
-                    sNumber python: (nbOfCountedPages*batchSize)"
-        tal:attributes="src string: $portal_url/skyn/arrowRightDouble.png;
-                        title python: tool.translate('goto_last');
-                        onClick python: 'askAjaxChunk(\'%s\', \'%s\')' % (ajaxHookId, baseUrl.replace('**v**', str(sNumber)))"/></td>
-    </tr>
-  </table>
-</div>
-
-<div metal:define-macro="objectNavigate" tal:condition="request/nav|nothing" align="right">
-  <tal:comment replace="nothing">
-     Buttons for going to next/previous elements if this one is among bunch of referenced or searched objects.
-     currentNumber starts with 1.
-  </tal:comment>
-  <table cellpadding="0" cellspacing="0"
-         tal:define="navInfo   tool/getNavigationInfo;
-                 currentNumber navInfo/currentNumber;
-                 totalNumber   navInfo/totalNumber;
-                 firstUrl      navInfo/firstUrl;
-                 previousUrl   navInfo/previousUrl;
-                 nextUrl       navInfo/nextUrl;
-                 lastUrl       navInfo/lastUrl;
-                 sourceUrl     navInfo/sourceUrl;
-                 backText      navInfo/backText">
-    <tr>
-      <tal:comment replace="nothing">Go to the source URL (search or referred object)</tal:comment>
-      <td><a tal:condition="sourceUrl" tal:attributes="href sourceUrl"><img style="cursor:pointer" 
-        tal:attributes="src string: $portal_url/skyn/gotoSource.png;
-                        title python: backText + ' : ' + tool.translate('goto_source')"/></a></td>
-      <tal:comment replace="nothing">Go to the first page</tal:comment>
-      <td><a tal:condition="firstUrl" tal:attributes="href firstUrl"><img style="cursor:pointer" 
-        tal:attributes="src string: $portal_url/skyn/arrowLeftDouble.png;
-                        title python: tool.translate('goto_first')"/></a></td>
-      <tal:comment replace="nothing">Go to the previous page</tal:comment>
-      <td><a tal:condition="previousUrl" tal:attributes="href previousUrl"><img style="cursor:pointer" 
-        tal:attributes="src string: $portal_url/skyn/arrowLeftSimple.png;
-                        title python: tool.translate('goto_previous')"/></a></td>
-      <tal:comment replace="nothing">Explain which element is currently shown</tal:comment>
-      <td class="discreet" valign="middle">&nbsp;
-        <span tal:replace="python: currentNumber"/>&nbsp;<b>//</b>
-        <span tal:replace="python: totalNumber"/>&nbsp;&nbsp;
-      </td>
-      <tal:comment replace="nothing">Go to the next page</tal:comment>
-      <td><a tal:condition="python: nextUrl" tal:attributes="href nextUrl"><img style="cursor:pointer" 
-        tal:attributes="src string: $portal_url/skyn/arrowRightSimple.png;
-                        title python: tool.translate('goto_next')"/></a></td>
-      <tal:comment replace="nothing">Go to the last page</tal:comment>
-      <td><a tal:condition="lastUrl" tal:attributes="href lastUrl"><img style="cursor:pointer" 
-        tal:attributes="src string: $portal_url/skyn/arrowRightDouble.png;
-                        title python: tool.translate('goto_last')"/></a></td>
-    </tr>
-  </table>
-</div>

gen/plone25/skin/query.pt

@@ -21,132 +21,12 @@
                  searchName python:context.REQUEST.get('search', '')">
 
   <div metal:use-macro="here/skyn/macros/macros/pagePrologue"/>
-  <script language="javascript">
-  <!--
-    function getSortValue(row, fieldName) {
-      // Find, from p_fieldName, the cell that is used for sorting.
-      var cellId = "field_" + fieldName;
-      var cells = row.cells;
-      for (var i=0; i < cells.length; i++) {
-        if (cells[i].id == cellId) {
-          // Ok we have the cell on which we must sort.
-          // Now get the cell content.
-          // If the cell contains links, content is the 1st link content
-          var innerLinks = cells[i].getElementsByTagName("a");
-          if (innerLinks.length > 0) {
-            return innerLinks[0].innerHTML;
-          } else {
-            return cells[i].innerHTML;
-          }
-        }
-      }
-    }
-
-    function sortRows(fieldName, ascending) {
-      var queryRows = cssQuery('#query_row');
-      // Create a wrapper for sorting
-      var RowWrapper = function(row, fieldName) {
-        this.value = getSortValue(row, fieldName);
-        this.cloned_node = row.cloneNode(true);
-        this.toString = function() {
-          if (this.value.toString) {
-            return this.value.toString();
-          } else {
-            return this.value;
-          }
-        }
-      }
-      // Wrap nodes
-      var items = new Array();
-      for (var i=0; i<queryRows.length; i++) {
-        items.push(new RowWrapper(queryRows[i], fieldName));
-      }
-      // Sort nodes
-      items.sort();
-      if (!ascending) {
-        items.reverse();
-      }
-      // Reorder nodes
-      for (var i=0; i<items.length; i++) {
-        var dest = queryRows[i];
-        dest.parentNode.replaceChild(items[i].cloned_node, dest);
-      }
-    };
-
-    function onSort(fieldName){
-      // First, switch the sort arrow (up->down or down->up)
-      var arrow = document.getElementById("arrow_" + fieldName);
-      var sortAscending = (arrow.src.indexOf('arrowDown.gif') != -1);
-      if (sortAscending){
-        // Display "up" image
-        arrow.src = arrow.src.replace('arrowDown.gif', 'arrowUp.gif')
-      }
-      else { // Display "down" image
-        arrow.src = arrow.src.replace('arrowUp.gif', 'arrowDown.gif')
-      }
-      // Then, sort the rows on column "fieldName".
-      sortRows(fieldName, sortAscending);
-    }
-
-    function cellMatches(cell, searchValue) {
-      // This function returns true if the HTML p_cell contains p_searchValue
-      var innerLinks = cell.getElementsByTagName("a");
-      // If the cell contains links, we search within the link contents
-      for (var i=0; i < innerLinks.length; i++){
-        var linkContent = innerLinks[i].innerHTML.toLowerCase();
-        if (linkContent.indexOf(searchValue) != -1) {
-           return true;
-        }
-      }
-      // If we are here, we still have no match. Let's search directly within
-      // the cell.
-      var cellContent = cell.innerHTML.toLowerCase();
-      if (cellContent.indexOf(searchValue) != -1) {
-        return true;
-      }
-      return false;
-    }
-
-    function onTextEntered(fieldName) {
-      // Is called whenever text is entered into field named p_fieldName.
-      var cellId = "field_" + fieldName
-      var field = document.getElementById("filter_" + fieldName);
-      var fieldValue = field.value.toLowerCase();
-      if (fieldValue.length >= 3) {
-        // Browse all rows and check if it should be visible or not.
-        var queryRows = cssQuery('#query_row');
-        for (var i=0; i < queryRows.length; i++) {
-          // Find the value of the cell.
-          var queryCells = queryRows[i].cells;
-          for (var j=0; j < queryCells.length; j++) {
-            if (queryCells[j].id == cellId) {
-              if (cellMatches(queryCells[j], fieldValue)) {
-                queryRows[i].style.display = "";
-              }
-              else {
-                queryRows[i].style.display = "none";
-              }
-            }
-          }
-        }
-      }
-      else {
-        // Show all rows
-        var queryRows = cssQuery('#query_row');
-        for (var i=0; i < queryRows.length; i++) {
-          queryRows[i].style.display = "";
-        }
-      }
-    }
-  -->
-  </script>
-  
   <tal:comment replace="nothing">Query result</tal:comment>
   <div id="queryResult"></div>
 
   <script language="javascript"
     tal:define="ajaxUrl python: tool.getQueryUrl(contentType, flavourNumber, searchName)"
-    tal:content="python: 'askAjaxChunk(\'queryResult\',\'%s\')' % ajaxUrl">
+    tal:content="python: 'askQueryResult(\'queryResult\', \'%s\',\'%s\',\'%s\',\'%s\',0)' % (tool.absolute_url(), contentType, flavourNumber, searchName)">
   </script>
 </div>
 </body>

gen/plone25/skin/ref.pt

@@ -20,19 +20,19 @@
     <tr>
     <tal:comment replace="nothing">Arrows for moving objects up or down</tal:comment>
     <td class="noPadding" tal:condition="python: (len(objs)&gt;1) and member.has_permission('Modify portal content', contextObj)">
-      <tal:moveRef define="objectIndex python:contextObj.getAppyRefIndex(fieldName, obj);
+      <tal:moveRef define="objectIndex  python: contextObj.getAppyRefIndex(fieldName, obj);
-                           baseUrl python: contextObj.getUrl('showRef', **{'fieldName': fieldName, 'isBack': isBack, 'innerRef': innerRef, 'labelId': labelId, 'descrId': descrId, '%s_startNumber' % ajaxHookId: startNumber, 'action':'ChangeRefOrder', 'refObjectUid': obj.UID()})">
+                           ajaxBaseCall python: navBaseCall.replace('**v**', '\'%s\',\'ChangeRefOrder\', {\'refObjectUid\':\'%s\', \'move\':\'**v**\'}' % (startNumber, obj.UID()))">
       <tal:comment replace="nothing">Move up</tal:comment>
-      <img tal:define="ajaxUrl python: baseUrl + '&move=up'" tal:condition="python: objectIndex &gt; 0"
+      <img tal:condition="python: objectIndex &gt; 0"
         tal:attributes="src string: $portal_url/skyn/arrowUp.png;
                         title python: tool.translate('move_up');
-                        onClick python: 'askAjaxChunk(\'%s\', \'%s\')' % (ajaxHookId, ajaxUrl)"
+                        onClick python: ajaxBaseCall.replace('**v**', 'up')"
         style="cursor:pointer"/>
       <tal:comment replace="nothing">Move down</tal:comment>
-      <img tal:define="ajaxUrl python: baseUrl + '&move=down'" tal:condition="python: objectIndex &lt; (totalNumber-1)"
+      <img tal:condition="python: objectIndex &lt; (totalNumber-1)"
         tal:attributes="src string: $portal_url/skyn/arrowDown.png;
                         title python: tool.translate('move_down');
-                        onClick python: 'askAjaxChunk(\'%s\', \'%s\')' % (ajaxHookId, ajaxUrl)"
+                        onClick python: ajaxBaseCall.replace('**v**', 'down')"
         style="cursor:pointer"/>
       </tal:moveRef>
     </td>
@@ -63,6 +63,22 @@
                        onClick python: 'href: window.location=\'%s/skyn/do?action=Create&initiator=%s&field=%s&type_name=%s\'' % (folder.absolute_url(), contextObj.UID(), fieldName, linkedPortalType)"/>
 </metal:plusIcon>
 
+<tal:comment replace="nothing">
+  This macro displays, in a cell header from a ref table, icons for sorting the
+  ref field according to the field that corresponds to this column.
+</tal:comment>
+<metal:sortIcons define-macro="sortIcons"
+    tal:define="ajaxBaseCall python: navBaseCall.replace('**v**', '\'%s\',\'SortReference\', {\'sortKey\':\'%s\', \'reverse\':\'**v**\'}' % (startNumber, shownField))">
+  <img style="cursor:pointer"
+       tal:attributes="src string:$portal_url/skyn/sortAsc.png;
+                       title python: tool.translate('sort_asc');
+                       onClick python: ajaxBaseCall.replace('**v**', 'False')"/>
+  <img style="cursor:pointer"
+       tal:attributes="src string:$portal_url/skyn/sortDesc.png;
+                       title python: tool.translate('sort_desc');
+                       onClick python: ajaxBaseCall.replace('**v**', 'True')"/>
+</metal:sortIcons>
+
 <tal:comment replace="nothing">
   This macro shows a reference field. More precisely, it shows nothing, but calls
   a Javascript function that will asynchonously call (via a XmlHttpRequest object) the
@@ -77,11 +93,10 @@
    - descrId (string) the i18n id of the reference field description
 </tal:comment>
 <div metal:define-macro="showReference"
-     tal:define="ajaxHookId python: contextObj.UID() + fieldName;
+     tal:define="ajaxHookId   python: contextObj.UID() + fieldName"
-                 ajaxUrl python: contextObj.getUrl('showRef', **{'fieldName': fieldName, 'isBack': isBack, 'innerRef': innerRef, 'labelId': labelId, 'descrId': descrId})"
      tal:attributes="id ajaxHookId">
   <script language="javascript"
-          tal:content="python: 'askAjaxChunk(\'%s\',\'%s\')' % (ajaxHookId, ajaxUrl)">
+          tal:content="python: 'askRefField(\'%s\',\'%s\',\'%s\',\'%s\',\'%s\',\'%s\',\'%s\',0)' % (ajaxHookId, contextObj.absolute_url(), fieldName, isBack, innerRef, labelId, descrId)">
   </script>
 </div>
 
@@ -113,7 +128,7 @@
                  atMostOneRef python: (multiplicity[1] == 1) and (len(objs)&lt;=1);
                  label python: tool.translate(labelId);
                  description python: tool.translate(descrId);
-                 baseUrl python: contextObj.getUrl('showRef', **{'fieldName': fieldName, 'isBack': isBack, 'innerRef': innerRef, 'labelId': labelId, 'descrId': descrId, '%s_startNumber' % ajaxHookId: '**v**'})">
+                 navBaseCall python: 'askRefField(\'%s\',\'%s\',\'%s\',\'%s\',\'%s\',\'%s\',\'%s\',**v**)' % (ajaxHookId, contextObj.absolute_url(), fieldName, isBack, innerRef, labelId, descrId)">
 
   <tal:comment replace="nothing">This macro displays the Reference widget on a "consult" page.
 
@@ -159,7 +174,7 @@
          tal:content="description" class="discreet" ></p>
 
       <tal:comment replace="nothing">Appy (top) navigation</tal:comment>
-      <metal:nav use-macro="here/skyn/macros/macros/appyNavigate"/>
+      <metal:nav use-macro="here/skyn/navigate/macros/appyNavigate"/>
 
       <tal:comment replace="nothing">No object is present</tal:comment>
       <p tal:condition="not:objs" tal:content="python: tool.translate('no_ref')"></p>
@@ -183,14 +198,21 @@
                align="right" tal:condition="python: not isBack and objs" cellpadding="0" cellspacing="0">
           <tr tal:condition="appyType/showHeaders">
             <th tal:condition="python: 'title' not in appyType['shownInfo']"
-                tal:content="python: tool.translate('ref_name')"></th>
+                tal:define="shownField python:'title'">
+              <span tal:content="python: tool.translate('ref_name')"></span>
+              <metal:sortIcons use-macro="here/skyn/ref/macros/sortIcons" />
+            </th>
             <th tal:repeat="shownField appyType/shownInfo">
               <tal:showHeader condition="python: objs[0].getField(shownField)">
-                <tal:titleHeader condition="python: shownField == 'title'"
+                <tal:titleHeader condition="python: shownField == 'title'">
-                                 content="python: tool.translate('ref_name')"/>
+                  <span tal:content="python: tool.translate('ref_name')"></span>
+                  <metal:sortIcons use-macro="here/skyn/ref/macros/sortIcons" />
+                </tal:titleHeader>
                 <tal:otherHeader condition="python: shownField != 'title'"
-                                 define="labelId python: objs[0].getField(shownField).widget.label_msgid"
+                                 define="labelId python: objs[0].getField(shownField).widget.label_msgid">
-                                 content="python: tool.translate(labelId)"/>
+                  <span tal:content="python: tool.translate(labelId)"></span>
+                  <metal:sortIcons use-macro="here/skyn/ref/macros/sortIcons" />
+                </tal:otherHeader>
               </tal:showHeader>
             </th>
             <th tal:content="python: tool.translate('ref_actions')"></th>
@@ -242,7 +264,7 @@
       </table>
 
       <tal:comment replace="nothing">Appy (bottom) navigation</tal:comment>
-      <metal:nav use-macro="here/skyn/macros/macros/appyNavigate"/>
+      <metal:nav use-macro="here/skyn/navigate/macros/appyNavigate"/>
 
     </fieldset>
     <tal:comment replace="nothing">A carriage return needed in some cases.</tal:comment>

gen/plone25/wrappers/__init__.py

@@ -123,13 +123,17 @@ class AbstractWrapper:
         # Update the ordered list of references
         self.o._appy_getSortedField(fieldName).append(obj.UID())
 
-    def sort(self, fieldName):
+    def sort(self, fieldName, sortKey='title', reverse=False):
-        '''Sorts referred elements linked to p_self via p_fieldName. At
+        '''Sorts referred elements linked to p_self via p_fieldName according
-           present, it can only sort elements based on their title.'''
+           to a given p_sortKey which must be an attribute set on referred
+           objects ("title", by default).'''
         sortedUids = getattr(self.o, '_appy_%s' % fieldName)
         c = self.o.uid_catalog
         sortedUids.sort(lambda x,y: \
-           cmp(c(UID=x)[0].getObject().Title(),c(UID=y)[0].getObject().Title()))
+           cmp(getattr(c(UID=x)[0].getObject().appy(), sortKey),
+               getattr(c(UID=y)[0].getObject().appy(), sortKey)))
+        if reverse:
+            sortedUids.reverse()
 
     def create(self, fieldNameOrClass, **kwargs):
         '''If p_fieldNameOfClass is the name of a field, this method allows to

gen/utils.py

@@ -10,11 +10,25 @@ class Descr:
 
 class FieldDescr(Descr):
     def __init__(self, atField, appyType, fieldRel):
-        self.atField = atField # The corresponding Archetypes field (may be None
+        # The corresponding Archetypes field (may be None in the case of
-        # in the case of backward references)
+        # backward references)
-        self.appyType = appyType # The corresponding Appy type
+        self.atField = atField
-        self.fieldRel = fieldRel # The field relatonship, needed when the field
+        # The corresponding Appy type
-        # description is a backward reference.
+        self.appyType = appyType
+        # The field relationship, needed when the field description is a
+        # backward reference.
+        self.fieldRel = fieldRel
+        # Can we sort this field ?
+        at = self.appyType
+        self.sortable = False
+        if not fieldRel and ((self.atField.getName() == 'title') or \
+                             (at['indexed'])):
+            self.sortable = True
+        # Can we filter this field?
+        self.filterable = False
+        if not fieldRel and at['indexed'] and (at['type'] == 'String') and \
+           (at['format'] == 0) and not at['isSelect']:
+            self.filterable = True
         if fieldRel:
             self.widgetType = 'backField'
             self.group = appyType['backd']['group']
@@ -25,6 +39,7 @@ class FieldDescr(Descr):
             self.group = appyType['group']
             self.show = appyType['show']
             self.page = appyType['page']
+            fieldName = self.atField.getName()
 
 class GroupDescr(Descr):
     def __init__(self, name, cols, page):

pod/test/Readme.txt

@@ -5,12 +5,12 @@ A POD template is a standard ODT file, where:
    a portion of the document zero, one or more times ("if" and "for" statements);
  - text insertions in "track changes" mode are interpreted as Python expressions.
 
-When you invoke the tester.py program with one of those ODT files as unique parameter
+When you run the Tester.py program with one of those ODT files as unique parameter
-(ie "python tester.py ForCellOnlyOne.odt"), you get a result.odt file which is the
+(ie "python Tester.py ForCellOnlyOne.odt"), you get a result.odt file which is the
 result of executing the template with a bunch of Python objects. The "tests" dictionary
-defined in tester.py contains the objects that are given to each POD ODT template
+defined in Tester.py contains the objects that are given to each POD ODT template
 contained in this folder.
 
-Opening the templates with OpenOffice (2.0 or higher), running tester.py on it and
+Opening the templates with OpenOffice (2.0 or higher), running Tester.py on it and
 checking the result in result.odt is probably the quickest way to have a good idea
 of what appy.pod can make for you !