Allow a gadget to modify its main title.

Refactor Feed reader use mentioned above feature.
Use JSON dump whenever possible.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@41395 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_knowledge_pad/ExtensionTemplateItem/GetRssDataAsDict.py

 import feedparser, md5, urllib2, socket
-  
+ 
 def getRssDataAsDict(self, url, username=None, password=None):
   result = {}
   translate = self.Base_translateString
   # no url, no feed to read
   if url in ('', None, 'None',):
-    return {'title':translate('Please enter a valid Rss or Atom url in the preference form.')}
+    # no URL
+    return {'status':-1}
     
   # use authentication or not?
   handlers = []
@@ -20,16 +21,19 @@ def getRssDataAsDict(self, url, username=None, password=None):
   socket.setdefaulttimeout(10.0)
   d = feedparser.parse(url, handlers=handlers)  
   socket.setdefaulttimeout(default_timeout)    
-    
+  
   if d.bozo and isinstance(d.bozo_exception, urllib2.URLError):
     # we have an URL error
-    return {'title':translate('Wrong Rss or Atom url or service temporary down.')}
-    
-  # http status code checks
+    return {'status':-2}
+  elif d.bozo:
+    print d.bozo, d.bozo_exception
+    return {'status': -5}
   if d.status == 401:
-    return {'title': translate('Unauthorized, verify your authentication.')}
+    return {'status':-3}
   elif d.status == 404:
-    return {'title': translate('Page not found.')}
+    return {'status':-4}
+  
+
   
   result['items'] = []
   # some feeds may not provide logo
@@ -51,4 +55,5 @@ def getRssDataAsDict(self, url, username=None, password=None):
   # sort by date
   result['items'] = sorted(result['items'], key=lambda k: k['updated_parsed'])
   result['items'].reverse()
+  result['status'] = 0
   return result
\ No newline at end of file

bt5/erp5_knowledge_pad/PathTemplateItem/portal_gadgets/erp5_rss.xml

@@ -2,10 +2,7 @@
 <ZopeData>
   <record id="1" aka="AAAAAAAAAAE=">
     <pickle>
-      <tuple>
-        <global name="Gadget" module="Products.ERP5.Document.Gadget"/>
-        <tuple/>
-      </tuple>
+      <global name="Gadget" module="Products.ERP5.Document.Gadget"/>
     </pickle>
     <pickle>
       <dictionary>
@@ -162,7 +159,7 @@
         </item>
         <item>
             <key> <string>view_form_id</string> </key>
-            <value> <string>ERP5Site_viewRssGadget</string> </value>
+            <value> <string>ERP5Site_viewRssGadgetAsJSON</string> </value>
         </item>
       </dictionary>
     </pickle>
@@ -175,7 +172,7 @@
   </record>
   <record id="3" aka="AAAAAAAAAAM=">
     <pickle>
-      <global name="OOBTree" module="BTrees._OOBTree"/>
+      <global name="OOBTree" module="BTrees.OOBTree"/>
     </pickle>
     <pickle>
       <none/>
@@ -183,7 +180,7 @@
   </record>
   <record id="4" aka="AAAAAAAAAAQ=">
     <pickle>
-      <global name="OOBTree" module="BTrees._OOBTree"/>
+      <global name="OOBTree" module="BTrees.OOBTree"/>
     </pickle>
     <pickle>
       <none/>

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_gadget/Base_getRssDataAsDocumentList.xml

@@ -50,16 +50,21 @@
         </item>
         <item>
             <key> <string>_body</string> </key>
-            <value> <string>from Products.ERP5Type.Document import newTempBase\n
+            <value> <string encoding="cdata"><![CDATA[
+
+from Products.ERP5Type.Document import newTempBase\n
+\n
 box_relative_url = kw.get(\'box_relative_url\')\n
 selection_name = kw.get(\'list_selection_name\')\n
 portal_selection = getattr(context,\'portal_selections\')\n
 selection = portal_selection.getSelectionFor(selection_name)\n
 \n
-# XXX: This test has been added because currently the "Asynchronous" mode is\n
-# the only one supported by gadgets which uses the page templates\n
-# ListBox_asListStyleHTML.\n
-# More investigation are required to fix this bug\n
+error_mapping_dict = {-1: \'Please enter a valid Rss or Atom url in the preference form.\',\n
+                      -2: \'Wrong Rss or Atom url or service temporary down.\',\n
+                      -3: \'Unauthorized, verify your authentication.\',\n
+                      -4: \'Page not found.\',\n
+                      -5: \'Mismatched RSS feed.\'}\n
+\n
 if box_relative_url:\n
   box = context.restrictedTraverse(box_relative_url)\n
   preferences = box.KnowledgeBox_getDefaultPreferencesDict()\n
@@ -70,24 +75,27 @@ feed_url = str(preferences.get(\'preferred_rss_feed\',\'\'))\n
 username = str(preferences.get(\'preferred_username\',\'\'))\n
 password = str(preferences.get(\'preferred_password\',\'\'))\n
 results = context.Base_getRssDataAsDict(context, url = feed_url, username = username, password = password)\n
-readItemList = {}\n
+\n
 md5_list = []\n
 message_list = []\n
-items = results.get(\'items\',None)\n
-\n
-rss_title = results.get(\'title\',\'No title for this feed\')\n
-if items is not None:\n
-  rss_title = \'%s (%s)\' %(rss_title, len(items))\n
+items = results.get(\'items\', [])\n
+status = results.get(\'status\', 0)\n
 \n
-rss_logo = results.get(\'logo\', None)\n
-if rss_logo not in (\'\', None):\n
-  context.REQUEST.set(\'rss_logo\',rss_logo)\n
-\n
-context.REQUEST.set(\'rss_title\', rss_title)\n
-context.REQUEST.set(\'rss_link\',results.get(\'link\',None))\n
-\n
-if items is None:\n
+context.REQUEST.set(\'rss_status\', status)\n
+if status < 0:\n
+  # some error occured show message to user\n
+  context.REQUEST.set(\'rss_title\', context.Base_translateString(error_mapping_dict[status]))\n
   return []\n
+else:\n
+  # all good\n
+  rss_title = results.get(\'title\',\'No title for this feed\')\n
+  rss_logo = results.get(\'logo\', None)\n
+  if items is not None:\n
+    rss_title = \'%s (%s)\' %(rss_title, len(items))\n
+  if rss_logo not in (\'\', None):\n
+    context.REQUEST.set(\'rss_logo\',rss_logo)\n
+  context.REQUEST.set(\'rss_link\',results.get(\'link\',None))\n
+  context.REQUEST.set(\'rss_gadget_title\', rss_title)\n
 \n
 for result in items:\n
   md5_list.append(result[\'md5\'])\n
@@ -106,7 +114,9 @@ for result in items:\n
 context.REQUEST.set(\'rss_documents_count\', len(message_list))\n
 \n
 return message_list\n
-</string> </value>
+
+
+]]></string> </value>
         </item>
         <item>
             <key> <string>_code</string> </key>
@@ -152,6 +162,7 @@ return message_list\n
                             <string>context</string>
                             <string>portal_selection</string>
                             <string>selection</string>
+                            <string>error_mapping_dict</string>
                             <string>box</string>
                             <string>preferences</string>
                             <string>str</string>
@@ -159,17 +170,17 @@ return message_list\n
                             <string>username</string>
                             <string>password</string>
                             <string>results</string>
-                            <string>readItemList</string>
                             <string>md5_list</string>
                             <string>message_list</string>
-                            <string>None</string>
                             <string>items</string>
+                            <string>status</string>
+                            <string>_getitem_</string>
                             <string>rss_title</string>
-                            <string>len</string>
+                            <string>None</string>
                             <string>rss_logo</string>
+                            <string>len</string>
                             <string>_getiter_</string>
                             <string>result</string>
-                            <string>_getitem_</string>
                             <string>date</string>
                             <string>message</string>
                           </tuple>

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_gadget/ERP5Site_viewRssGadget.xml

@@ -74,6 +74,7 @@
                       <list>
                         <string>listbox</string>
                         <string>logo</string>
+                        <string>message</string>
                       </list>
                     </value>
                 </item>

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_gadget/ERP5Site_viewRssGadget/listbox.xml

@@ -19,7 +19,6 @@
                 <string>search_columns</string>
                 <string>sort</string>
                 <string>sort_columns</string>
-                <string>title</string>
                 <string>url_columns</string>
               </list>
             </value>
@@ -112,12 +111,6 @@
                     <key> <string>target</string> </key>
                     <value> <string></string> </value>
                 </item>
-                <item>
-                    <key> <string>title</string> </key>
-                    <value>
-                      <persistent> <string encoding="base64">AAAAAAAAAAM=</string> </persistent>
-                    </value>
-                </item>
                 <item>
                     <key> <string>url_columns</string> </key>
                     <value> <string></string> </value>
@@ -170,7 +163,7 @@
                 <item>
                     <key> <string>list_method</string> </key>
                     <value>
-                      <persistent> <string encoding="base64">AAAAAAAAAAQ=</string> </persistent>
+                      <persistent> <string encoding="base64">AAAAAAAAAAM=</string> </persistent>
                     </value>
                 </item>
                 <item>
@@ -229,10 +222,6 @@
                     <key> <string>target</string> </key>
                     <value> <string>Click to edit the target</string> </value>
                 </item>
-                <item>
-                    <key> <string>title</string> </key>
-                    <value> <string>Rss reader</string> </value>
-                </item>
                 <item>
                     <key> <string>url_columns</string> </key>
                     <value>
@@ -264,19 +253,6 @@
     </pickle>
   </record>
   <record id="3" aka="AAAAAAAAAAM=">
-    <pickle>
-      <global name="TALESMethod" module="Products.Formulator.TALESField"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>_text</string> </key>
-            <value> <string>python: request.get(\'rss_title\', \'Rss Title Error\').encode(\'utf-8\')</string> </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-  <record id="4" aka="AAAAAAAAAAQ=">
     <pickle>
       <global name="Method" module="Products.Formulator.MethodField"/>
     </pickle>

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_gadget/ERP5Site_viewRssGadgetAsJSON.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>_body</string> </key>
+            <value> <string>from Products.ERP5Type.JSON import dumps\n
+\n
+request = context.REQUEST\n
+\n
+# render real gadget content as HTML\n
+html = context.ERP5Site_viewRssGadget()\n
+box_relative_url = request.get(\'box_relative_url\', None)\n
+box = context.restrictedTraverse(box_relative_url)\n
+\n
+box_dom_id = box.getRelativeUrl().replace(\'/\', \'_\')\n
+gadget_title_dom_id = \'%s_gadget_title\' %box_dom_id\n
+\n
+# return some JavaScript which will update respective page\n
+gadget_title = request.get(\'rss_gadget_title\', box.getSpecialiseValue().getTitle())\n
+gadget_title = unicode(gadget_title).encode(\'utf-8\')[:40]\n
+javascript = \'getElement("%s").innerHTML="%s";\' %(gadget_title_dom_id, gadget_title)\n
+\n
+request.RESPONSE.setHeader("Content-Type", "application/json;; charset=utf-8")\n
+result =  {"body": html,\n
+          "javascript": javascript}\n
+return dumps(result)\n
+</string> </value>
+        </item>
+        <item>
+            <key> <string>_code</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>errors</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_code</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="FuncCode" module="Shared.DC.Scripts.Signature"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>co_argcount</string> </key>
+                        <value> <int>0</int> </value>
+                    </item>
+                    <item>
+                        <key> <string>co_varnames</string> </key>
+                        <value>
+                          <tuple>
+                            <string>Products.ERP5Type.JSON</string>
+                            <string>dumps</string>
+                            <string>_getattr_</string>
+                            <string>context</string>
+                            <string>request</string>
+                            <string>html</string>
+                            <string>None</string>
+                            <string>box_relative_url</string>
+                            <string>box</string>
+                            <string>box_dom_id</string>
+                            <string>gadget_title_dom_id</string>
+                            <string>gadget_title</string>
+                            <string>_getitem_</string>
+                            <string>unicode</string>
+                            <string>javascript</string>
+                            <string>result</string>
+                          </tuple>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_defaults</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>ERP5Site_viewRssGadgetAsJSON</string> </value>
+        </item>
+        <item>
+            <key> <string>warnings</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_gadget/ERP5Site_viewRssGadgetPreferenceDialog/my_listbox_selection_list_lines.xml

@@ -6,6 +6,14 @@
     </pickle>
     <pickle>
       <dictionary>
+        <item>
+            <key> <string>delegated_list</string> </key>
+            <value>
+              <list>
+                <string>enabled</string>
+              </list>
+            </value>
+        </item>
         <item>
             <key> <string>id</string> </key>
             <value> <string>my_listbox_selection_list_lines</string> </value>
@@ -63,6 +71,10 @@
             <key> <string>values</string> </key>
             <value>
               <dictionary>
+                <item>
+                    <key> <string>enabled</string> </key>
+                    <value> <int>1</int> </value>
+                </item>
                 <item>
                     <key> <string>field_id</string> </key>
                     <value> <string>my_listbox_selection_list_lines</string> </value>

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_knowledge_pad/KnowledgePad_viewColumnWidget.xml

@@ -50,6 +50,7 @@
                     box_dom_id python: \'%s\' %box.getRelativeUrl().replace(\'/\', \'_\');\n
                     view_form_dom_id python: \'%s_content\' %box_dom_id;\n
                     edit_form_dom_id python: \'%s_edit_form\' %box_dom_id;\n
+                    gadget_title_dom_id python: \'%s_gadget_title\' %box_dom_id;\n
                     gadget python: box.getSpecialiseValue();\n
                     gadget_state python: gadget.getValidationState();\n
                     dummy python: request.set(\'is_gadget_mode\', \'1\');\n
@@ -105,7 +106,8 @@
              title="Minimize"></a>\n
         </tal:block>\n
         <span class="gadget_title" \n
-              tal:content="python: here.Base_translateString(box.getProperty(\'preferred_header_title\', None) or gadget.getTitle())"/>\n
+              tal:content="python: here.Base_translateString(box.getProperty(\'preferred_header_title\', None) or gadget.getTitle())"\n
+              tal:attributes="id gadget_title_dom_id"/>\n
         </span>\n
       </h3>\n
 \n

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_knowledge_pad/KnowledgePag_getPadAsJSON.xml

@@ -54,6 +54,8 @@
   Render an entire Pad and needed JavaScript code.\n
   Used to make instant Pad switching.\n
 """\n
+from Products.ERP5Type.JSON import dumps\n
+\n
 pad = context.restrictedTraverse(pad_relative_url)\n
 \n
 # render Pad\'s html\n
@@ -81,7 +83,7 @@ javascript = \'\'.join(javascript_list)\n
 # return JSON\n
 result = {\'body\': body,\n
           \'javascript\':  javascript}\n
-return result\n
+return dumps(result)\n
 </string> </value>
         </item>
         <item>
@@ -120,6 +122,8 @@ return result\n
                           <tuple>
                             <string>pad_relative_url</string>
                             <string>mode</string>
+                            <string>Products.ERP5Type.JSON</string>
+                            <string>dumps</string>
                             <string>_getattr_</string>
                             <string>context</string>
                             <string>pad</string>

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_knowledge_pad/erp5_knowledge_box.css.xml

@@ -12,7 +12,7 @@
         </item>
         <item>
             <key> <string>_EtagSupport__etag</string> </key>
-            <value> <string>ts91384188.54</string> </value>
+            <value> <string>ts92251979.92</string> </value>
         </item>
         <item>
             <key> <string>__name__</string> </key>
@@ -452,9 +452,16 @@ div.document-gadget-quick-preview a.document-link{\n
 show number of records  or show \'No results\' as listbox title is used for this */\n
 div.gadget-rss-reader table.listbox thead,\n
 div.gadget-rss-reader div.listbox-number-of-records,\n
-div.gadget-rss-reader table.listbox td.listbox-table-no-result-row{\n
+div.gadget-rss-reader table.listbox td.listbox-table-no-result-row,\n
+div.gadget-rss-reader div.listbox-title{\n
   display: none;\n
 }\n
+div.gadget-rss-reader-message{\n
+  font-weight:bold;\n
+}\n
+div.gadget-rss-reader .listbox-head-content{\n
+  height:auto;\n
+}\n
 div.gadget-rss-reader .listbox-body,\n
 div.gadget-rss-reader .listbox-head{\n
   margin-left:4px;\n
@@ -513,7 +520,7 @@ div.gadget-rss-reader .body {\n
         </item>
         <item>
             <key> <string>size</string> </key>
-            <value> <int>8519</int> </value>
+            <value> <int>8675</int> </value>
         </item>
         <item>
             <key> <string>title</string> </key>

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_knowledge_pad/erp5_knowledge_box.js.xml

@@ -12,7 +12,7 @@
         </item>
         <item>
             <key> <string>_EtagSupport__etag</string> </key>
-            <value> <string>ts91990881.97</string> </value>
+            <value> <string>ts92251348.76</string> </value>
         </item>
         <item>
             <key> <string>__name__</string> </key>
@@ -107,8 +107,22 @@ function updater(url, box_relative_url, dom_id, \n
  d = MochiKit.Async.doSimpleXMLHttpRequest(url, request_params);\n
  d.addCallbacks(handleServerSuccess, handleServerError);\n
  function handleServerSuccess(res){\n
-      getElement(dom_id).innerHTML = res.responseText;\n
+      content_type = res.getResponseHeader(\'Content-Type\');\n
+      if(content_type.search("application/json")!=-1){\n
+        /* server returned JSON which may contain HTML & JavaScript */\n
+        text = res.responseText \n
+        json_dict = evalJSON(text);\n
+        html = json_dict[\'body\'];\n
+        eval(json_dict[\'javascript\']);\n
+      }\n
+      else{\n
+        /* server returned HTML */\n
+        html = res.responseText;\n
+      }\n
+      /* set HTML as returned from server */\n
+      getElement(dom_id).innerHTML = html;\n
       getElement(dom_id).style.opacity = 1.0;};\n
+      \n
  function handleServerError(res){\n
       getElement(dom_id).innerHTML = \'Server side error.\';\n
       getElement(dom_id).style.opacity = 1.0;};\n
@@ -507,7 +521,7 @@ MochiKit.DOM.addLoadEvent(initialize);\n
         </item>
         <item>
             <key> <string>size</string> </key>
-            <value> <int>19090</int> </value>
+            <value> <int>19554</int> </value>
         </item>
         <item>
             <key> <string>title</string> </key>

bt5/erp5_knowledge_pad/bt/revision

-648
\ No newline at end of file
+650
\ No newline at end of file