Bug 181570 Cube should be able to copy, paste and cut [1101]
Description: Cube should be able to copy, paste and cut. Build number: 2.2.0.v20070409-0630 Steps to reproduce: 1. New a Cube. 2. Select Cube, Copy, Pase, Cut should be able use. Expected result: Copy, paste and cut can be used. Actual result: Cube can not be copy paste or cut. Error log: N/A
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DNDUtil.java
|| selection instanceof StyleHandle
				|| selection instanceof ThemeHandle
				|| selection instanceof EmbeddedImageHandle
				|| selection instanceof TemplateElementHandle
				|| selection instanceof DataSetItemModel
				|| selection instanceof ResultSetColumnHandle;
	}
	/**
	 * Gets a copy of source data. If copy multi-selection, skip all children's
	 * clone
	 * 
	 * @param source
	 *            source to clone
	 * @return copy of source
	 */
	public static Object cloneSource( Object source )
	{
		source = unwrapToModel( source );
		if ( source instanceof Object[] )
		{
			Object[] array = (Object[]) source;
			ArrayList list = new ArrayList( );
			for ( int i = 0; i < array.length; i++ )
			{
				if ( array[i] instanceof ColumnHandle )
				{
					list.add( cloneSource( array[i] ) );
				}
			}
			if ( !list.isEmpty( ) )