Bug 120218 Right click menu option to apply theme.
We should support the following right click menu. -- User right clicks int he report design layout area. -- The following menu items needs to be supported Theme --> Apply Theme -->Theme1 -->Theme2 ( similar to Apply style menu option )
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/providers/SchematicContextMenuProvider.java
{
			return array[0];
		}
		return array;
	}
	/**
	 * Gets the first selected object.
	 * 
	 * @return The first selected object
	 */
	protected Object getFirstElement( )
	{
		Object[] array = getElements( ).toArray( );
		if ( array.length > 0 )
		{
			return array[0];
		}
		return null;
	}
	/**
	 * Gets multiple selected elements
	 * 
	 * @return The (base) class type all the multi selected elements
	 */
	private Object getMultiSelectedElement( )
	{
		List list = getElements( );
		Object baseHandle = list.get( 0 );
		if ( baseHandle != null )
		{