Bug 156632 [Acceptance]Cannot paste theme when select Themes in Outline.
Description: Cannot paste theme when select Themes in Outline. Steps to reproduce: 1. New a library. 2. Select defaulttheme in outline and cut it 3. Select Themes and right click to paste the theme back. Expected result: Paste in context menu can be used. Actual result: Paste is gray
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DNDUtil.java
}
		try
		{
			( (ModuleHandle) container ).rename( image );
			( (ModuleHandle) container ).addImage( image );
		}
		catch ( SemanticException e )
		{
			e.printStackTrace( );
		}
	}
	/**
	 * Validates target elements can contain transfer data
	 * 
	 * @param targetObj
	 *            target elements
	 * @param transferData
	 *            transfer data,single object or array are permitted
	 * @return if target elements can be dropped
	 */
	public static boolean handleValidateTargetCanContain( Object targetObj,
			Object transferData )
	{
		return handleValidateTargetCanContain( targetObj, transferData, true ) != CONTAIN_NO;
	}
	/**
	 * Validates target elements can contain transfer data.
	 * <p>
	 * If transfer data is single element, validate target's container also
	 *