Bug 148525 Display text is not found from library resource file
Steps to reproduce: 1.New a library, add a resource file "a.properties" 2.Add a label with text"abc", add a localization "k1=actuate" 3.New a report, extend the label 4.Preview the report Expected result: Report shows "actuate" in preview Actual result: Report shows "actuate" in layout, but "abc" in preview
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
/**
	 * Returns a array of valid choices for a property.
	 * 
	 * @param propName
	 *            the property name
	 * @return a array containing choices for the given property. Return
	 *         <code>null</code>, if this property has no choice.
	 */
	public IChoice[] getChoices( String propName )
	{
		PropertyHandle propertyHandle = getPropertyHandle( propName );
		if ( propertyHandle == null )
			return null;
		return propertyHandle.getChoices( );
	}
	/**
	 * Returns the short display label for this element.
	 * 
	 * @return the display label of this element in SHORT_LABEL level.
	 * @see #getDisplayLabel( int )
	 */
	public String getDisplayLabel( )
	{
		return getDisplayLabel( DesignElement.SHORT_LABEL );
	}
	/**
	 * Returns the display label for this element. The display label is the
	 * localized display name to be shown in the UI. The display label is one of
	 * the following:
	 * <p>