[jboss-user] [JBoss Seam] - How to correctly start pageflows

[mail.micke@gmail.com]

Hi

I've been experimenting with pageflows a bit and different ways of starting them, prefferably I would like to start it in a way which doesn't require a backing bean method.

This works for me:

  | 
  | <s:link value="Start anno" action="#{dummyBacking.startPageFlowAnno}"/>
  | 
  | @Begin(pageflow="test")
  | public void startPageFlowAnno(){
  | 	System.out.println("Trying to start the page flow via annotation.");
  | }
  | 
  | 

But the following two doesn't (the first approach actually kills the webapp):


  | 
  | <s:link value="Start comp params" action="#{dummyBacking.startPageFlow}" propagation="begin" pageflow="test"/>
  | <s:link value="Start comp params" action="start" propagation="begin" pageflow="test"/>
  | public String startPageFlow(){
  | 	System.out.println("Trying to start the page flow via s:link parameters.");
  | 	return "start";
  | }
  | 
  | <s:link value="Manual PageFlow start in code" action="#{dummyBacking.manualStartFlow}"/>
  | public String manualStartFlow() {
  | 	Pageflow.instance().begin("test");
  | 	return "start";
  | }
  | 
  | 

The pageflow definition:


  | 
  | <pageflow-definition
  | 	xmlns="http://jboss.com/products/seam/pageflow"
  | 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  |     xsi:schemaLocation=
  | 	    "http://jboss.com/products/seam/pageflow http://jboss.com/products/seam/pageflow-2.0.xsd"
  |  	name="test">
  |  	
  |  	<start-state name="start">
  |  		<transition to="startPage">
  |  			<action expression="#{dummyBacking.resetNumber}"/>
  |  		</transition>
  |  	</start-state>
  |  	
  |  	<page view-id="/pageflow/start.xhtml" name="startPage" no-conversation-view-id="/pageflow/start.xhtml">
  |  		<redirect/>
  |  		<transition name="next" to="subPage1">
  |  			<action expression="#{dummyBacking.incNumber}"/>
  |  		</transition>
  |  		<transition name="ManualStartFlow" to="subPage2"/>
  |  	</page>
  |  	
  |  	<page view-id="/pageflow/flow1.xhtml" name="subPage1" no-conversation-view-id="/pageflow/start.xhtml">
  | 	 	<redirect/>
  |  		<transition name="next" to="subPage2">
  |  			<action expression="#{dummyBacking.incNumber}"/>
  |  		</transition>
  |  		<transition name="prev" to="startPage"/> 	
  |  	</page>
  |  	
  |  	<page view-id="/pageflow/flow2.xhtml" name="subPage2" no-conversation-view-id="/pageflow/start.xhtml">
  |  		<redirect/>
  |  		<transition name="next" to="endPage"/>
  |  		<transition name="prev" to="subPage1"/>
  |  	</page>
  |  	
  |  	<page view-id="/pageflow/end.xhtml" name="endPage" no-conversation-view-id="/pageflow/start.xhtml">
  | 		<redirect/>
  |  		<transition name="prev" to="subPage2"/>
  |  	</page>
  |  	
  | </pageflow-definition>
  | 

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