wizard: conditional logic issue

robertmarkbram — Sun, 13 Jun 2010 12:41:19 GMT

Hi All,I am trying to put some conditional logic into the jsp of a single wizard step:<c:choose> <c:when test="#{WizardManager.bean.admin eq 'true}"> <p>admin things.. </p> </c:when> <ctherwise> <p>ordinary user things.. </p> </ctherw

Re: wizard: conditional logic issue

robertmarkbram — Mon, 14 Jun 2010 03:18:25 GMT

I still don't know why the c:if, c:choose, c:when, ctherwise tags don't work.. but I do know now how to express logic as part of the wizard definition. Make sure your bean encapsulates all data needed to make the decision and then give it a bean style get method that returns result values as true/false. Then something like this will work:


<step name="assignment" title-id="review_estimate_assignment" description-id="review_estimate_step1_desc">
   <condition if="#{ReviewEstimateWizard.admin == true}">
      <page path="/jsp/extension/wizards/review-estimate-wizard/assignmentAdmin.jsp"
            title-id="review_estimate_step1_title"
            description-id="review_estimate_step1_desc"
            instruction-id="default_instruction" />
   </condition>
   <condition if="#{ReviewEstimateWizard.hasNoNextStatus == true}">
      <page path="/jsp/extension/wizards/review-estimate-wizard/assignmentAtEnd.jsp"
            title-id="review_estimate_step1_title"
            description-id="review_estimate_step1_desc"
            instruction-id="default_instruction" />
   </condition>
   <condition if="#{ReviewEstimateWizard.hasNoPreviousStatus == true}">
      <page path="/jsp/extension/wizards/review-estimate-wizard/assignmentAtStart.jsp"
            title-id="review_estimate_step1_title"
            description-id="review_estimate_step1_desc"
            instruction-id="default_instruction" />
   </condition>
   <page path="/jsp/extension/wizards/review-estimate-wizard/assignment.jsp"
         title-id="review_estimate_step1_title"
         description-id="review_estimate_step1_desc"
         instruction-id="default_instruction" />
</step>

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This is like an if, else-if, else-if, else series of clauses - the one <PAGE> element at the end not encapsulated by a <CONDITION> element is the else.

There better be a way to use c:if, c:choose, c:when, ctherwise tags within the jsp fragments though - I think I got lucky that I happen to be working with a wizard when I needed some choices. What about other xml JSP definitions that don't allow choice?

Anyone know if c:if, c:choose, c:when, ctherwise tags can be used or have I just badly configured my environment?

Rob

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wizard: conditional logic issue

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