1 2 Previous Next 17 Replies Latest reply on Jun 25, 2009 7:38 AM by Shivaji Byrapaneni

    auj:support is not triggering a event

    Shivaji Byrapaneni Newbie

      Hi There,

      I had a sitaution in which when i select a value form the combo box a action listener in my backing bean need to be triggered. For that i had this code in my JSP

      <!doctype html public "-//w3c//dtd html 4.0 transitional//en">
      <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
      <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
      <!-- RichFaces tag library declaration -->
      <%@ taglib uri="http://richfaces.org/a4j" prefix="a4j"%>
      <%@ taglib uri="http://richfaces.org/rich" prefix="rich"%>
      <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
      <f:subview id="ApproverView">
      <h:panelGrid columns="2">
       <h:outputText value="Course Name to approve : " />
       <rich:comboBox value="#{approveCoursesBean.courseName}"
       directInputSuggestions="true" defaultLabel="Enter Course Name">
       <a4j:support event="onSelect" rendered="approveLS"
       actionListener="#{approveCoursesBean.populateNominationListBasedOnCourseSelected}" />
       <f:selectItems value="#{nominationSessionBean.courseNames}" />
       </rich:comboBox></h:panelGrid>
      <rich:spacer height="20" />
      
      <rich:listShuttle sourceValue="#{approveCoursesBean.approvedList}"
       targetValue="#{approveCoursesBean.nominatedList}" var="people"
       sourceCaptionLabel="Nominated people"
       targetCaptionLabel="Approved people" id="approveLS"
       converter="approveCoursesConverter">
       <rich:column width="18">
       <h:graphicImage value="#{people.iconURI}" width="30px" height="30px" />
       </rich:column>
       <rich:column>
       <h:outputText value="#{people.userId}" />
       </rich:column>
       <rich:column>
       <h:outputText value="#{people.userName}" />
       </rich:column>
       <!--<a4j:support event="onlistchanged" reRender="toolBar" />
       <a4j:support event="onorderchanged" reRender="toolBar" />
      -->
      </rich:listShuttle>
      </f:subview>
      


      and the above page will be included into below page as shown

      <!doctype html public "-//w3c//dtd html 4.0 transitional//en">
      <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
      <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
      <!-- RichFaces tag library declaration -->
      <%@ taglib uri="http://richfaces.org/a4j" prefix="a4j"%>
      <%@ taglib uri="http://richfaces.org/rich" prefix="rich"%>
      <html>
      <head>
      <title>:: Nomination system Home ::</title>
      <script src="/NominationWeb/scripts/nominationScripts.js"
       type="text/javascript"></script>
      </head>
      <body>
      <f:view>
       <a4j:form id="nominationSystemHome"
       binding="#{homeBean.nominationSystemHome}">
       <rich:tabPanel switchType="ajax" id="nominationHometp"
       binding="#{homeBean.nominationHometp}">
       <rich:tab label="Course List" id="courseListTab"
       binding="#{homeBean.courseListTab}"
       action="#{courseListBean.loadCourseList}">
       <rich:messages />
       <%@ include file="/pages/courseList.jsp"%>
       </rich:tab>
       <rich:tab label="Approve Nominations" id="approveNominationsTab"
       binding="#{homeBean.approveNominationsTab}"
       action="#{approveCoursesBean.populateCourseListToApprove}">
       <rich:messages />
       <%@ include file="/pages/approveCourses.jsp"%>
       </rich:tab> <rich:tab label="Manage Courses" id="manageCoursesTab"
       binding="#{homeBean.manageCoursesTab}"
       action="#{manageCoursesBean.loadManageCourses}">
       <rich:messages />
       <%@ include file="/pages/manageCourses.jsp"%>
       </rich:tab>
       <rich:tab label="Manage Users" id="manageUsersTab"
       binding="#{homeBean.manageUsersTab}" >
       <rich:messages />
       <p>Managing users goes here.</p>
       </rich:tab>
      
       </rich:tabPanel>
       </a4j:form>
       <%@ include file="/pages/manageCourseSupport.jsp"%>
       <%@ include file="/pages/processing.jsp"%>
      </f:view>
      </body>
      </html>
      



      in my backing bean i had teh associated action listener like this

      package com.managedbeans;
      
      import java.util.ArrayList;
      
      import javax.faces.event.ActionEvent;
      import javax.faces.model.SelectItem;
      
      import com.entities.CourseDetailsEO;
      import com.logger.NominationLogger;
      import com.vo.ApproveVO;
      
      public class ApproveCoursesBean extends NominationBaseBean {
       private final String className = this.getClass().toString();
       private String courseName ;
       private ArrayList<ApproveVO> nominatedList = new ArrayList<ApproveVO>();
       private ArrayList<ApproveVO> approvedList = new ArrayList<ApproveVO>();
      
       public ArrayList<ApproveVO> getNominatedList() {
       return nominatedList;
       }
      
       public void setNominatedList(ArrayList<ApproveVO> nominatedList) {
       this.nominatedList = nominatedList;
       }
      
      
       public String getCourseName() {
       return courseName;
       }
      
       public void setCourseName(String courseName) {
       this.courseName = courseName;
       }
      
       public ArrayList<ApproveVO> getApprovedList() {
       return approvedList;
       }
      
       public void setApprovedList(ArrayList<ApproveVO> approvedList) {
       this.approvedList = approvedList;
       }
      
      
       public String populateCourseListToApprove() {
       final String methodName = "populateCourseListToApprove";
       NominationLogger.logMethodEntry(className, methodName);
       ArrayList<CourseDetailsEO> courseList = getNominationSessionBean().getCoursesList();
       getNominationSessionBean().setCourseNames(new SelectItem[courseList.size()]);
       CourseDetailsEO courseDetailsEO = null ;
       for(int a = 0; a < courseList.size() ; a++){
       courseDetailsEO = courseList.get(a);
       getNominationSessionBean().getCourseNames()[a] = new SelectItem(courseDetailsEO.getCourseName());
       }
       NominationLogger.logMethodExit(className, methodName);
       return null;
       }
      
       public String populateNominationListBasedOnCourseSelected(ActionEvent event) {
       final String methodName = "populateNominationListBasedOnCourseSelected";
       NominationLogger.logMethodEntry(className, methodName);
       NominationLogger.info(this.courseName);
       NominationLogger.logMethodExit(className, methodName);
       return null;
       }
       }
      




      i cant see the a4j:support getting triggered. i even tried the valuechangelistener option of rich:combobox and that even didnt help.

      please correct me.
      many thanks in advance.


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