[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-1526) Support selective validation with a:region

[Christian Bauer (JIRA)]

Support selective validation with a:region
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                 Key: JBSEAM-1526
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1526
             Project: JBoss Seam
          Issue Type: Feature Request
          Components: JSF
            Reporter: Christian Bauer


In complex forms I'd like to be able to customize validation per region:

<h:form>

  <a:region>
      <h:inputText value="#{foo.bar}"/>

    <a:region>
        <h:inputText value="#{bar.foo}"/>
        <a:commandButton action="#{bar.baz}"/>
    </a>

      <a:commandButton action="#{foo.baz}"/>
  </a>

</h:form>

If the nested button is pressed, I only want #{bar.foo} validated (there is an <s:validateAll> around it). If the outer button is pressed, I want both properties validated. I realize that this is a major issue regarding model updates, however, I don't need to update the model for any non-validated property because 

a) it is not decoded on the server anyway (? I don't understand the a:region docs)
b) i don't need an updated model because my action doesn't expect it
c) i don't need an updated model because i am re-rendering an area that doesn't expect it


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