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Posted to users@myfaces.apache.org by Zigc Junk <zi...@gmail.com> on 2008/07/31 23:23:03 UTC

Re: How can I create a session scoped Trinidad menu model

Did u try to change from request to session? Since your bean is
request scoped, every request will create a new instance of the bean,
so does its property.

regard

Bill

On Thu, Jul 31, 2008 at 4:05 PM, Silverman, Glenn <GS...@dylt.com> wrote:
> I need a session-scoped menu model but the documentation says I can't, and
> that creates a problem
> whenever I click on a button to do something when I'm not on the first tab
> of the menu. Here's my code...
> I have a trinidad switcher control managed by a commandNavigationItem
> control.
>
>                         <tr:navigationPane id="navPaneA" level="1"
> value="#{root_menu}" var="foo">
>                                 <f:facet name="nodeStamp">
>                                         <tr:commandNavigationItem
> id="navItemA" text="#{foo.label}"
>                                                 action="#{foo.doAction}"/>
>                                 </f:facet>
>                         </tr:navigationPane>
>
>                         <tr:switcher facetName="#{root_menu.navLabel}"
> defaultFacet="Messages" >
>                                 <f:facet name="Messages">
>                                 <tr:panelGroupLayout layout="vertical">
>                                                 <jsp:include
> page="../editors/errormessages.jspx"/>
>                                         </tr:panelGroupLayout>
>                                 </f:facet>
>                                 <f:facet name="Help Text">
>                                 <tr:panelGroupLayout layout="vertical">
>                                                 <jsp:include
> page="../editors/help.jspx"/>
>                                         </tr:panelGroupLayout>
>                                 </f:facet>
>                         <f:facet name="Buttons">
>                            <tr:panelGroupLayout layout="vertical">
>                                                 <jsp:include
> page="../editors/buttons.jspx"/>
>                                         </tr:panelGroupLayout>
>                                 </f:facet>
>                                 <f:facet name="Sounds">
>                                 <tr:panelGroupLayout layout="vertical">
>                                                 <jsp:include
> page="../editors/sounds.jspx"/>
>                                         </tr:panelGroupLayout>
>                                 </f:facet>
>                         </tr:switcher>
>
> And a menu model:
>
>         <menu xmlns="http://myfaces.apache.org/trinidad/menu">
>                 <groupNode id="msgs" idref="message" label="Error Messages"
> defaultFocustPath="true">
>                         <itemNode id="message" label="Messages"
> action="goToMessages"
>                                 focusViewId="/index.jspx"/>
>                         <itemNode id="help" label="Help Text"
> action="goToHelp"
>                                 focusViewId="/index.jspx"/>
>                         <itemNode id="button" label="Buttons"
> action="goToButton"
>                                 focusViewId="/index.jspx"/>
>                         <itemNode id="sound" label="Sounds"
> action="goToSound"
>                                 focusViewId="/index.jspx"/>
>                 </groupNode>
>                 <groupNode id="allcodes" label="AllCodes" idref="cat">
>
>                         <itemNode id="cat" label="Categories"
> action="goToCategory"
>                                 focusViewId="/index.jspx" />
>                         <itemNode id="link" label="CodeLinks"
> action="goToLink"
>                                 focusViewId="/index.jspx" />
>                 </groupNode>
>         </menu>
>
> which is defined in faces-config.xml as a managed bean:
>
>       <managed-bean>
>         <managed-bean-name>root_menu</managed-bean-name>
>         <managed-bean-class>com.dylt.bean.MenuModelBean</managed-bean-class>
>         <managed-bean-scope>request</managed-bean-scope>
>         <managed-property>
>               <property-name>source</property-name>
>               <property-class>java.lang.String</property-class>
>               <value>/WEB-INF/menu-metadata.xml</value>
>        </managed-property>
>       </managed-bean>
>
> Here, MenuModelBean just extends XMLMenuModel as follows (This is
> similar to the example in the Trinidad Developer Guide):
>
>         public class MenuModelBean extends XMLMenuModel {
>
>                 public String getGroupLabel(){
>                         List list = getNodesFromFocusPath(false);
>                         return (String)list.get(list.size()-1);
>                 }
>                 public String getNavLabel(){
>                         List list = getNodesFromFocusPath(true);
>                         return (String)list.get(list.size()-1);
>                 }
>         public List getNodesFromFocusPath(boolean itemsOnly){
>         ArrayList focusPath = (ArrayList)this.getFocusRowKey();
>         return getNodesFromFocusPath(focusPath, itemsOnly);
>         }
>
>         public List getNodesFromFocusPath(ArrayList focusPath, boolean
> itemsOnly){
>
>
>               if (focusPath == null || focusPath.size() == 0)
>                 return null;
>
>               // Clone the focusPath cause we remove elements
>               ArrayList fp = (ArrayList) focusPath.clone();
>
>               // List of nodes to return
>               List nodeList = new ArrayList<Object>();
>
>               // Convert String rowkey to int and point to the
>               // node (row) corresponding to this index
>               int targetNodeIdx = (Integer)fp.get(0);
>               TreeModel tree = (TreeModel)this.getWrappedData();
>
>               tree.setRowIndex(targetNodeIdx);
>
>               // Get the node
>               Object node = tree.getRowData();
>               String label = null;
>               if(node instanceof ItemNode){
>                   label= ((ItemNode)node).getLabel();
>                   if(itemsOnly)
>                           nodeList.add(label);
>               }
>               else if (node instanceof GroupNode){
>                   label= ((GroupNode)node).getLabel();
>                   if(!itemsOnly)
>                           nodeList.add(label);
>               }
>
>
>               // Remove the 0th rowkey from the focus path
>               // leaving the remaining focus path
>               fp.remove(0);
>
>               // traverse into children
>               if (   fp.size() > 0
>                   && tree.isContainer()
>                   && !tree.isContainerEmpty()
>                  )
>               {
>                 tree.enterContainer();
>
>                 // get list of nodes in remaining focusPath
>                 List childList = getNodesFromFocusPath(fp, itemsOnly);
>
>                 // Add this list to the nodeList
>                 nodeList.addAll(childList);
>
>                 tree.exitContainer();
>               }
>
>               return nodeList;
>             }
>       )
>
> Here's the problem: If I'm on one of the facet pages other than the first
> one, clicking
> on any command button or link always takes me back to the first facet. If I
> use
> partialSubmit and partialTriggers to try to limit page refresh to a
> particular page
> element, the behavior is even more bizarre. If I click on a tab to change
> facets, the
> first command button or link click works as expected, but any subsequent
> clicks assume
> I am on the first facet page and won't update the facet page I'm on at all.
>
> Here's an example page, the help.jspx in the second facet:
>
>         jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.0"
>                 xmlns:f="http://java.sun.com/jsf/core"
>                 xmlns:tr="http://myfaces.apache.org/trinidad">
>         <jsp:directive.page contentType="text/html;charset=utf-8" />
>                 <f:subview id="helpWrapperA">
>                         <tr:table id="helpTableA" var="hlp"
> value="#{helpBean.list}" partialTriggers="helpEditLink">
>                                 <tr:column headerText="Id">
>                                         <tr:outputText value="#{hlp.helpId}"
> />
>                                 </tr:column>
>                                 <tr:column headerText="Message">
>                                         <tr:commandLink id="helpEditLink"
> text="#{hlp.text}"
>                                                 immediate="true"
> partialSubmit="true">
>                                                 <tr:setActionListener
> from="#{hlp}"
>
> to="#{pageFlowScope.helpDetail}" />
>                                         </tr:commandLink>
>                                 </tr:column>
>                         </tr:table>
>         </f:subview>
>         <tr:separator/>
>         <tr:showDetail undisclosedText="Show Detail" disclosedText="Hide
> Detail">
>                 <f:subview id="helpWrapperB">
>                                 <tr:panelFormLayout rows="2"
>
> partialTriggers=":::helpWrapperA:helpTableA:helpEditLink">
>                                         <tr:outputText value="ID:" />
>                                         <tr:outputText value="Text:" />
>                                         <tr:outputText
> value="#{pageFlowScope.helpDetail.helpId}" />
>                                         <tr:inputText
> value="#{pageFlowScope.helpDetail.text}"/>
>                                 </tr:panelFormLayout>
>                     </f:subview>
>                 </tr:showDetail>
>         </jsp:root>
>
> Could this behavior be the result of the fact that the scope for the menu
> model must be "request" ? If so, then every subsequent
>
> "request" will always go to, or assume I'm on,  the default tab.  How can I
> change this?
>
> Glenn Silverman
>
>