Bug 122289 [Smoke][Regression][SPM-Linux WS]Item can't be dropped to layout from library
Details: Item can't be dropped to layout from library Setp: 1.New a library and insert a label 2.New a report design and use library 3.Drop label from library explorer to layout Actual results: Nothing is dropped into layout. Not only use library in outline, but also in library explorer is no effect. But when I drop the label without use library, it will use library and label can drop in it.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
}
		if ( parent == element || parent.equals( element ) )
		{
			return true;
		}
		if ( provider == null )
		{
			return false;
		}
		Object[] children = provider.getChildren( parent );
		for ( int i = 0; i < children.length; i++ )
		{
			if ( containElement( children[i], provider, element ) )
			{
				return true;
			}
		}
		return false;
	}
	/**
	 * Returns the plug-in provider
	 * 
	 * @param pluginId
	 *            the identify of the plugin
	 * 
	 * @return the plug-in provider, or null if the plug-in is not found
	 */
	public static String getPluginProvider( String pluginId )
	{
		return getBundleValue( pluginId,