tobago-example/tobago-example-demo/src/main/webapp/content/30-concept/90-non-faces-request/x-fish-pond.xhtml

<?xml version="1.0" encoding="UTF-8"?>

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<ui:composition template="/main.xhtml"
                xmlns:tc="http://myfaces.apache.org/tobago/component"
                xmlns:ui="http://java.sun.com/jsf/facelets"
                xmlns:f="http://java.sun.com/jsf/core">
  <ui:param name="title" value="Non-Faces-Request Demo: Fish Pont"/>

  <ui:define name="metadata">
    <f:metadata>
      <f:viewParam name="fishId" value="#{fishPond.selectedFishId}"/>
      <f:event type="preRenderView" listener="#{fishPond.action}"/>
    </f:metadata>
  </ui:define>

  <tc:panel id="pond">

    <tc:in label="Selected:" value="#{fishPond.selectedFish}" readonly="true"/>

    <tc:buttons>
      <tc:button label="random" action="#{fishPond.random}">
        <f:ajax render="pond :page:header:headerInfo" execute="pond"/>
      </tc:button>
      <tc:button label="back to start"
                 action="/content/30-concept/90-non-faces-request/non-faces-request.xhtml?faces-redirect=true"/>
    </tc:buttons>

  </tc:panel>

</ui:composition>