Bug 136241 [regression]Preview template in web viewer and pdf didn't get correct effect.
Description: Preview template items in web viewer and pdf didn't get correct effect. Steps to reproduce: 1. Create template items. 2. Preview in Web Viewer and pdf. Expected result: Same effect as in html. Actual result: In web viewer, see only blank box. In pdf, blank page.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignElement.java
public final static long NO_BASE_ID = -1;
	/**
	 * Constant indicate that the element has no id.
	 */
	public final static long NO_ID = 0;
	/**
	 * Support for id inheritance. If it is set, base id must be larger than
	 * <code>0</code>.
	 */
	protected long baseId = NO_BASE_ID;
	/**
	 * Default constructor.
	 */
	public DesignElement( )
	{
		
	}
	/**
	 * Constructs the design element with the name.
	 * 
	 * @param theName
	 *            initial element name
	 */
	public DesignElement( String theName )
	{
		name = theName;
	}
	/**
	 * Registers a listener. A listener can be registered any number of times,
	 * but will receive each event only once.