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From "Shawn Bertrand (JIRA)" <>
Subject [jira] Created: (TRINIDAD-752) Javascript error on return of PPR when button is disabled during request
Date Wed, 03 Oct 2007 17:53:52 GMT
Javascript error on return of PPR when button is disabled during request 

                 Key: TRINIDAD-752
             Project: MyFaces Trinidad
          Issue Type: Bug
          Components: Components
    Affects Versions: 1.0.2-core
         Environment: Win XP SP2, Internet Explorer 6, JBoss 4.0.5, JDK 1.5.0_10
            Reporter: Shawn Bertrand

If a particular PPR request originates from a commandButton and the commandButton is disabled
as a result of the PPR request, Trinidad's javascript code will cause an error.  This error
happens because it tries to set focus to that command button at the end of the PPR request
but cannot because it is disabled.

To reproduce the problem using the Trinidad demo:
1. If you are using the 1.0.1 demo, replace the 1.0.1 jars with 1.0.2 (or 1.0.3, which I didn't
2. Add the disabled property for the following tag in /demos/pprDemos.jspx:

          <tr:commandButton id="pSub_button"
                            text="partialSubmit Button"

3. Change the action method of to:

public class PartialDemoUtilBean
  private boolean disabled = false;

  public void action(ActionEvent action)
    // Just update the string which says when the last update was.

    // Toggle enabled state
    disabled = !disabled;

    // Force button redraw

  public boolean isButtonDisabled()
      return disabled;


4. Run the demo and click the "partialSubmit button".  You'll notice the button does go gray
(expected) but the time doesn't update as it should and there is a Javascript error ("Console
is undefined").  The real error is "Can't move focus to the control because it is invisible,
not enabled, or of a type that does not accept the focus."

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