Bug 156497 [Regression][Acceptance]Report isn't refreshed when delete used library file.
Description: Report isn't refreshed when delete used library file. Steps to reproduce: 1.New a library, add a label, input actuate. 2.New a report, extend lib.label 3.Delete the library file. 4.Refresh the report in Outline of the report Expected result: Empty label in Layout. Actual result: label with content "actuate" in Layout.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
{
		if ( validationListeners != null )
		{
			Iterator iter = validationListeners.iterator( );
			while ( iter.hasNext( ) )
			{
				IValidationListener listener = (IValidationListener) iter
						.next( );
				listener.elementValidated( element.getHandle( this ), event );
			}
		}
	}
	/**
	 * Makes a unique name for an element. There are several cases.
	 * <p>
	 * <dl>
	 * <dt>Blank name, name is optional</dt>
	 * <dd>Leave the name blank, for some elements the name is optional.</dd>
	 * 
	 * <dt>Blank name, name is required</dt>
	 * <dd>Create a default name of the form "NewTable" where "New" is
	 * localized, and "Table" is the localized element name for creating a new
	 * element.</dd>
	 * 
	 * <dt>Name already exists in the name space</dt>
	 * <dd>This can occur either for the name provided, or for the default name
	 * created above. Add a number suffix to make the name unique. Example:
	 * "MyName4".</dd>
	 * </dl>
	 *