in my page ,only one place to inove the method,but it excuted twice,when render the page once i search the solution in jboss forum and google,but i cann't solve it. the code piece: | <s:decorate template="layout/display.xhtml"> | <ui:define name="label">#{messages['task.principal']}</ui:define> | <h:selectOneMenu id="userByPrincipalId" value="#{taskList.task.userByPrincipal.id}"> | <f:selectItem itemValue="-1" itemLabel="#{messages['label.selectItem.message']}"/> | <f:selectItems value="#{userList.selectItem}"/> | </h:selectOneMenu> | </s:decorate> | when the page render,the method getSelectItem in UserList invoked twice my page | <!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" | "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | | <ui:composition xmlns="http://www.w3.org/1999/xhtml" | xmlns:s="http://jboss.com/products/seam/taglib" | xmlns:ui="http://java.sun.com/jsf/facelets" | xmlns:f="http://java.sun.com/jsf/core" | xmlns:h="http://java.sun.com/jsf/html" | xmlns:a="https://ajax4jsf.dev.java.net/ajax" | xmlns:rich="http://richfaces.ajax4jsf.org/rich" | template="layout/template.xhtml"> | | <ui:define name="body"> | | <h:messages globalOnly="true" styleClass="message" id="globalMessages" /> | | <h:form id="taskSearch" styleClass="edit"> | | <rich:simpleTogglePanel | label="#{messages['subproject']} / #{messages['task']} #{messages['label.searchCondition.title']}" | switchType="ajax"> | <h:panelGrid columns="4" columnClass="gridContent" width="80%" algin="left"> | <s:decorate template="layout/display.xhtml"> | <ui:define name="label">#{messages['task.name']}</ui:define> | <h:inputText id="name" value="#{taskList.task.name}"/> | </s:decorate> | <s:decorate template="layout/display.xhtml"> | <ui:define name="label">#{messages['task.belongProject']}</ui:define> | <h:selectOneMenu id="projectId" value="#{taskList.task.project.id}"> | <f:selectItem itemValue="-1" itemLabel="#{messages['label.selectItem.message']}"/> | <f:selectItems value="#{projectList.selectItemByOrdinary}"/> | </h:selectOneMenu> | </s:decorate> | | | </h:panelGrid> | | <h:panelGrid columns="4" columnClass="gridContent" width="80%" algin="left"> | | <s:decorate template="layout/display.xhtml"> | <ui:define name="label">#{messages['task.creator']}</ui:define> | <h:selectOneMenu id="userByCreatorId" value="#{taskList.task.userByCreator.id}"> | <f:selectItem itemValue="-1" itemLabel="#{messages['label.selectItem.message']}"/> | <f:selectItems value="#{userList.selectItem}"/> | </h:selectOneMenu> | </s:decorate> | | <s:decorate template="layout/display.xhtml"> | <ui:define name="label">#{messages['task.principal']}</ui:define> | <h:selectOneMenu id="userByPrincipalId" value="#{taskList.task.userByPrincipal.id}"> | <f:selectItem itemValue="-1" itemLabel="#{messages['label.selectItem.message']}"/> | <f:selectItems value="#{userList.selectItem}"/> | </h:selectOneMenu> | </s:decorate> | </h:panelGrid> | | | <h:panelGrid columns="4" columnClass="gridContent" width="80%" algin="left"> | | <s:decorate template="layout/display.xhtml"> | <ui:define name="label">#{messages['task.type']}</ui:define> | <h:selectOneMenu id="type" value="#{taskList.task.leafFlag}"> | <f:selectItem itemValue="-1" itemLabel="#{messages['label.selectItem.message']}"/> | <f:selectItem itemValue="1" itemLabel="#{messages['subproject']}"/> | <f:selectItem itemValue="0" itemLabel="#{messages['task']}"/> | </h:selectOneMenu> | </s:decorate> | | <s:decorate template="layout/display.xhtml"> | <ui:define name="label">#{messages['task.state']}</ui:define> | <h:selectOneMenu id="state" value="#{taskList.task.state}"> | <f:selectItem itemValue="-1" itemLabel="#{messages['label.selectItem.message']}"/> | <f:selectItems value="#{constants.taskState}"/> | </h:selectOneMenu> | </s:decorate> | </h:panelGrid> | | </rich:simpleTogglePanel> | | <div class="actionButtons"> | <table> | <tr> | <td align="left"> | <h:commandButton action="/TaskList.xhtml?filter=default&proId=-2&parentId=-2" | id="search" value="#{messages['button.search']}" /> | | <h:commandButton | action="/TaskList.xhtml?filter=principalisme&proId=-2&parentId=-2" | id="principalisme" | value="#{messages['task.principalisme']}" > | <s:conversationPropagation type="join"/> | </h:commandButton> | | <h:commandButton | action="/TaskList.xhtml?filter=creatorisme&proId=-2&parentId=-2" | id="creatorisme" | value="#{messages['task.creatorisme']}" /> | <h:commandButton action="/TaskList.xhtml?filter=timeover&proId=-2&parentId=-2" | id="timeover" | value="#{messages['task.timeover']}"/> | </td> | | <td align="right"> | <s:button view="/TaskEdit.xhtml" id="createSubproject" | value="#{messages['button.create']}#{messages['task.onelevelsubproject']}" rendered="#{projectList.isPrincipal()}"> | <f:param name="tskId" value="0"/> | <f:param name="taskId" /> | <f:param name="tType" value="1" /> | <s:conversationPropagation propagation="begin" /> | </s:button> | | <s:button view="/TaskEdit.xhtml" id="createTask" | value="#{messages['button.create']}#{messages['task.oneleveltask']}" rendered="#{projectList.isPrincipal()}"> | <f:param name="tskId" value="0"/> | <f:param name="taskId" /> | <f:param name="tType" value="0" /> | <s:conversationPropagation propagation="begin" /> | </s:button> | </td> | </tr> | </table> | | | </div> | | | | | | <rich:panel style="padding:0" headerClass="outpanelHeader"> | | <h:panelGrid columns="2" columnClasses="gridContent"> | <rich:panel bodyClass="inpanelBody"> | <f:facet name="header"> | #{messages['label.tree']} | </f:facet> | | <div class="sample-container"> | <rich:tree style="overflow:auto;width:288px;height:300px;" value="#{treeHome.data}" var="item" switchType="client" nodeFace="#{item.type}"> | <rich:treeNode type="library"> | <h:outputText value="#{item.type}" /> | </rich:treeNode> | <rich:treeNode type="project"> | | <h:outputText value="#{item.name}" /> | <a:support event="onselected" reRender="resultTable"> | <a:actionparam name="parentId" value="-1" assignTo="#{taskList.parentId}"/> | <a:actionparam name="proId" value="#{item.id}" assignTo="#{taskList.projectId}"/> | <a:actionparam name="order" value="beginDate asc" assignTo="#{taskList.order}"/> | </a:support> | | </rich:treeNode> | <rich:treeNode type="subproject"> | <h:outputText value="#{item.name}" /> | <a:support event="onselected" reRender="resultTable"> | <a:actionparam name="proId" value="-1" assignTo="#{taskList.projectId}"/> | <a:actionparam name="parentId" value="#{item.id}" assignTo="#{taskList.parentId}"/> | <a:actionparam name="order" value="beginDate asc" assignTo="#{taskList.order}"/> | </a:support> | </rich:treeNode> | <rich:treeNode type="task"> | <h:outputText value="#{item.name}" /> | <a:support event="onselected" reRender="resultTable"> | <a:actionparam name="proId" value="-1" assignTo="#{taskList.projectId}"/> | <a:actionparam name="parentId" value="#{item.id}" assignTo="#{taskList.parentId}"/> | <a:actionparam name="order" value="beginDate asc" assignTo="#{taskList.order}"/> | </a:support> | </rich:treeNode> | </rich:tree></div> | </rich:panel> | | <a:outputPanel id="resultTable"> | <rich:panel bodyClass="inpanelBody" style="overflow:auto;width:600px;height:385px;"> | <f:facet name="header">#{messages['subproject']} / #{messages['task']} #{messages['label.searchResult.title']}</f:facet> | <div class="results" id="taskList"><h:outputText | value="#{messages['label.searchResult.null']}" | rendered="#{empty taskList.resultList}" /> | | | <!-- <h:outputText value="#{taskList.parentId}" id="test"/>--> | | | | | | <rich:datascroller for="taskList" rendered="#{taskList.resultList.size > 10}"/> | | <rich:dataTable | id="taskList" var="task" value="#{taskList.resultList}" | rendered="#{not empty taskList.resultList}" | rowClasses="row1,row2" | rows="10"> | <h:column> | <f:facet name="header"> | <s:link styleClass="columnHeader" | value="#{messages['task.name']} #{taskList.order=='name asc' ? messages.down : ( taskList.order=='name desc' ? messages.up : '' )}"> | <f:param name="order" | value="#{taskList.order=='name asc' ? 'name desc' : 'name asc'}" /> | </s:link> | </f:facet> | | | | <!-- <div onclick="event.cancelBubble = true;" class="popup" id="#{task.id}" style="z-index:1000">--> | <rich:toolTip followMouse="true" direction="top-right" delay="500" mode="client"> | <table> | <tr> | <td style="white-space:nowrap">#{messages['task.code']}:</td> | <td style="white-space:nowrap">#{task.code}</td> | </tr> | <tr> | <td style="white-space:nowrap">#{messages['task.type']}:</td> | <td style="white-space:nowrap">#{task.wrappedType}</td> | </tr> | <tr> | <td style="white-space:nowrap">#{messages['task.spendHour']}:</td> | <td style="white-space:nowrap">#{task.spendHour}</td> | </tr> | <tr> | <td style="white-space:nowrap">#{messages['task.createDate']}:</td> | <td style="white-space:nowrap"> | <h:outputText value="#{task.createDate}"> | <s:convertDateTime type="both" dateStyle="long" pattern="yyyy-MM-dd"/> | </h:outputText> | </td> | </tr> | <tr> | <td style="white-space:nowrap">#{messages['task.description']}:</td> | <td style="white-space:nowrap"> | <h:outputText escape="false" value="#{task.wrappedDescription}"/> | </td> | </tr> | <tr> | <td colspan="2" align="left"> | <rich:separator height="1" style="padding:10px 0" /> | </td> | </tr> | | <tr> | <td style="white-space:nowrap">#{messages['task.belongProject']}:</td> | <td style="white-space:nowrap">#{task.project.name}</td> | </tr> | <tr> | <td style="white-space:nowrap">#{messages['project.creator']}:</td> | <td style="white-space:nowrap"> | <h:outputText value="#{task.project.userByCreator.name}"/> | </td> | </tr> | <tr> | <td style="white-space:nowrap">#{messages['project.principal']}:</td> | <td style="white-space:nowrap"> | <h:outputText value="#{task.project.userByPrincipal.name}"/> | </td> | </tr> | | </table> | </rich:toolTip> | | | | <s:link view="/TaskEdit.xhtml" | value="#{task.name}" id="task"> | <f:param name="taskId" value="#{task.id}" /> | <f:param name="projectId" value="#{task.project.id}" /> | <f:param name="proId" value="#{task.project.id}" /> | <f:param name="parentId" value="#{task.parentId}" /> | <f:param name="tskId" value="#{task.parentId}" /> | <f:param name="tType" value="#{task.leafFlag}" /> | </s:link> | | <h:outputText value="#{messages['notLeaf']}" rendered="#{task.leafFlag == 1}"/> | | </h:column> | | <h:column> | <f:facet name="header"> | <s:link styleClass="columnHeader" | value="#{messages['task.principal']} #{taskList.order=='principal asc' ? messages.down : ( taskList.order=='principal desc' ? messages.up : '' )}"> | <f:param name="order" | value="#{taskList.order=='principal asc' ? 'principal desc' : 'principal asc'}" /> | </s:link> | </f:facet> | #{task.userByPrincipal.name} | </h:column> | <h:column> | <f:facet name="header"> | <s:link styleClass="columnHeader" | value="#{messages['task.creator']} #{taskList.order=='creator asc' ? messages.down : ( taskList.order=='creator desc' ? messages.up : '' )}"> | <f:param name="order" | value="#{taskList.order=='creator asc' ? 'creator desc' : 'creator asc'}" /> | </s:link> | </f:facet> | #{task.userByCreator.name} | </h:column> | <h:column> | <f:facet name="header"> | <s:link styleClass="columnHeader" | value="#{messages['task.beginDate']} #{taskList.order=='beginDate asc' ? messages.down : ( taskList.order=='beginDate desc' ? messages.up : '' )}"> | <f:param name="order" | value="#{taskList.order=='beginDate asc' ? 'beginDate desc' : 'beginDate asc'}" /> | </s:link> | </f:facet> | <h:outputText value="#{task.beginDate}"> | <s:convertDateTime type="both" dateStyle="long" | pattern="yyyy-MM-dd" /> | </h:outputText> | | </h:column> | <h:column> | <f:facet name="header"> | <s:link styleClass="columnHeader" | value="#{messages['task.endDate']} #{taskList.order=='endDate asc' ? messages.down : ( taskList.order=='endDate desc' ? messages.up : '' )}"> | <f:param name="order" | value="#{taskList.order=='endDate asc' ? 'endDate desc' : 'endDate asc'}" /> | </s:link> | </f:facet> | <h:outputText value="#{task.endDate}"> | <s:convertDateTime type="both" dateStyle="long" | pattern="yyyy-MM-dd" /> | </h:outputText> | | </h:column> | <h:column> | <f:facet name="header"> | <s:link styleClass="columnHeader" | value="#{messages['task.state']} #{taskList.order=='state asc' ? messages.down : ( taskList.order=='state desc' ? messages.up : '' )}"> | <f:param name="order" | value="#{taskList.order=='state asc' ? 'state desc' : 'state asc'}" /> | </s:link> | </f:facet> | #{task.wrappedState} | </h:column> | | <h:column> | <f:facet name="header">#{messages['label.header.operation']}</f:facet> | | <div onclick="event.cancelBubble = true;" class="popup" id="#{task.id}#{task.code}" style="z-index:1000"> | <table> | <tr> | <td colspan="2" align="right"><a onclick="hideCurrentPopup();return false;"><img src="img/close.png"/></a></td> | </tr> | <tr> | <td colspan="2" style="white-space:nowrap">[#{task.name}]</td> | </tr> | <tr> | <td colspan="2" style="white-space:nowrap">#{messages['task.operation.selectOperation']}</td> | </tr> | <tr> | <td style="white-space:nowrap"> | <!-- create subproject --> | <s:link view="/TaskEdit.xhtml" | value="#{messages['right']}#{messages['task.operation.createSubproject']}" | rendered="#{authenticator.user.id == task.userByPrincipal.id and task.leafFlag == 1 and task.state == 0}"> | <f:param name="proId" value="#{task.project.id}"/> | <f:param name="tskId" value="#{task.id}"/> | <f:param name="taskId" /> | <f:param name="tType" value="1" /> | <s:conversationPropagation propagation="begin" /> | </s:link> | </td> | <td style="white-space:nowrap"> | <!-- create task --> | <s:link view="/TaskEdit.xhtml" | value="#{messages['right']}#{messages['task.operation.createTask']}" | rendered="#{authenticator.user.id == task.userByPrincipal.id and task.leafFlag == 1 and task.state == 0}"> | <f:param name="proId" value="#{task.project.id}"/> | <f:param name="tskId" value="#{task.id}"/> | <f:param name="taskId" /> | <f:param name="tType" value="0" /> | <s:conversationPropagation propagation="begin" /> | </s:link> | </td> | </tr> | </table> | </div> | <s:link onmouseover="showPopup('#{task.id}#{task.code}', event, 'left');" | value="#{messages['button.create']}#{messages['haveChildren']}" | rendered="#{authenticator.user.id == task.userByPrincipal.id and task.leafFlag == 1 and task.state == 0}"> | <f:param name="taskId" value="#{task.id}" /> | </s:link> | | <span>      </span> | | | | <div onclick="event.cancelBubble = true;" class="popup" id="#{task.code}#{task.id}" style="z-index:1000"> | <table> | <tr> | <td colspan="2" align="right"><a onclick="hideCurrentPopup();return false;"><img src="img/close.png"/></a></td> | </tr> | <tr> | <td colspan="2" style="white-space:nowrap">[#{task.name}]</td> | </tr> | <tr> | <td colspan="2" style="white-space:nowrap"> | <h:outputText value="#{messages['task.warning.content']}" escape="false"/> | </td> | </tr> | <tr> | <td> | <!-- close the task --> | <s:link view="/TaskList.xhtml" | value="#{messages['right']}#{messages['task.close']}" | action="#{taskHome.update}" | id="closetask" | rendered="#{authenticator.user.id == task.userByCreator.id and task.state == 0}"> | <f:param name="id" value="#{task.id}" /> | <f:param name="tState" value="1"/> | </s:link> | </td> | <td> | <!-- cancel the task --> | <s:link view="/TaskList.xhtml" | action="#{taskHome.update}" | value="#{messages['right']}#{messages['task.cancel']}" | id="canceltask" | rendered="#{authenticator.user.id == task.userByCreator.id and task.state == 0}"> | <f:param name="id" value="#{task.id}" /> | <f:param name="tState" value="2"/> | </s:link> | </td> | </tr> | </table> | </div> | | <s:link onmouseover="showPopup('#{task.code}#{task.id}', event, 'left');" | value="#{messages['task.changeStateOperation']}#{messages['haveChildren']}" | rendered="#{authenticator.user.id == task.userByCreator.id and task.state == 0}"> | </s:link> | | | <span>      </span> | <s:link view="/TaskDelayEdit.xhtml" | value="#{messages['task.operation.delay']}" | rendered="#{authenticator.user.id == task.userByPrincipal.id and task.project.type == 1 and task.state != 1 and task.state != 2}"> | <f:param name="taskId" value="#{task.id}" /> | <f:param name="tId" value="#{task.id}" /> | <f:param name="taskDelayId"/> | <f:param name="order" value="createDate desc"/> | <f:param name="tType" value="#{task.leafFlag}"/> | <s:conversationPropagation propagation="begin"/> | </s:link> | | </h:column> | </rich:dataTable> | </div> | </rich:panel> | </a:outputPanel> | | </h:panelGrid> | </rich:panel> | | </h:form> | | </ui:define> | | </ui:composition> | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4095892#... 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