Bug 201526 Mutil parameter value will show the mutil value[0705]
Description: Mutil parameter value will show the mutil value[0705] Step: 1. New a list parameter and select allow multiple value 2. Add some value in it. 3. Drop the parameter in layout( param["NewParameter1"] ). 4. Preview and select several value. Actual result: It will preview a object string. Expected result: The value that is selected will be previewed.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
*/
	protected void processBackgroundImage( IStyle style )
	{
		if ( style == null )
			return;
		String image = style.getBackgroundImage( );
		if ( image == null )
			return;
		ReportDesignHandle reportDesign = context.getDesign( );
		if ( reportDesign != null )
		{
			URL url = reportDesign.findResource( image, IResourceLocator.IMAGE );
			if ( url != null )
			{
				style.setBackgroundImage( url.toExternalForm( ) );
			}
		}
	}
	
	public IContent localize(IContent content)
	{
		IStyle style = content.getInlineStyle( );
		processBackgroundImage( style );
		Object value = content.accept( this, content );
		return (IContent) value;
	}
	
	protected IContent localizeAllChildren( IContent content )
	{
		ArrayList children = (ArrayList) content.getChildren( );