Java 在accordion中更新选项卡标题
我有一个PrimeFaces 3.5手风琴面板,如下所示:Java 在accordion中更新选项卡标题,java,jsf-2,primefaces,glassfish-3,Java,Jsf 2,Primefaces,Glassfish 3,我有一个PrimeFaces 3.5手风琴面板,如下所示: <p:accordionPanel cache="false"> <p:ajax event="tabChange" listener="#{pPRBean.onChangeTab}" /> <p:tab title="Item"> <h:outputText value="#{pPRBean.counter}"/> </p:tab>
<p:accordionPanel cache="false">
<p:ajax event="tabChange" listener="#{pPRBean.onChangeTab}" />
<p:tab title="Item">
<h:outputText value="#{pPRBean.counter}"/>
</p:tab>
<p:tab title="Item">
<h:outputText value="#{pPRBean.counter}"/>
</p:tab>
<p:tab title="Item">
<h:outputText value="#{pPRBean.counter}"/>
</p:tab>
<p:tab title="Item">
<h:outputText value="#{pPRBean.counter}"/>
</p:tab>
</p:accordionPanel>
package com.gecolsa.test.view;
import javax.ejb.Stateless;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import org.primefaces.component.tabview.Tab;
import org.primefaces.event.TabChangeEvent;
@Stateless
@ManagedBean
@RequestScoped
public class PPRBean {
private int counter = 0;
private String firstName;
public String getFirstName(){
return firstName;
}
public void setFirstName(String firstName){
this.firstName = firstName;
}
public int getCounter() {
return counter;
}
public void setCounter(int counter) {
this.counter = counter;
}
public void onChangeTab(TabChangeEvent event){
Tab activeTab = event.getTab();
if(!activeTab.getTitle().endsWith("[Pressed]")){
activeTab.setTitle(activeTab.getTitle() + " [Pressed]");
}
System.out.println(activeTab.getTitle());
counter = counter + 1;
}
}
我的问题是:如何使用计数器的新值更改标题?虽然选项卡返回了一个新值,但它只显示“Item”(我想在运行时更新选项卡的标题,无论用户在哪里单击它,以及其他信息,如小时和单击的用户)。我正在使用glassfish 3.1.2。您可以通过从侦听器更新accordionPanel来更新选项卡,如下所示:
public void onChangeTab(TabChangeEvent event){
Tab activeTab = event.getTab();
if(!activeTab.getTitle().endsWith("[Pressed]")){
activeTab.setTitle(activeTab.getTitle() + " [Pressed]");
}
System.out.println(activeTab.getTitle());
counter = counter + 1;
RequestContext.getCurrentInstance().update("panel");
}
其中panel是
由于tab没有渲染器,您必须更新整个面板,而不仅仅是选项卡。您可以通过从侦听器更新accordionPanel来更新选项卡,如下所示:
public void onChangeTab(TabChangeEvent event){
Tab activeTab = event.getTab();
if(!activeTab.getTitle().endsWith("[Pressed]")){
activeTab.setTitle(activeTab.getTitle() + " [Pressed]");
}
System.out.println(activeTab.getTitle());
counter = counter + 1;
RequestContext.getCurrentInstance().update("panel");
}
其中panel是
由于选项卡没有渲染器,因此必须更新整个面板,而不仅仅是选项卡