Bug 153517 The DND of embeddedimage from lib explorer to outline view doesn'w work when the report in outline has used the lib
If the report in outline view has used a library, then drag and drop an embeddedimage of the used library from lib explorer to outline view doesn't work. The DND drop nothing onto the embedded image of the target report. Steps to reproduce: 1.Create a library with an embeddediamge and export to resource folder; 2.Create a new report design; 3.Drag the embeddedimage of lib from lib explorer to outline view;
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DNDUtil.java
return ( (TableHandle) parent ).canCopyColumn( columnNumber );
			}
			else if ( parent instanceof GridHandle )
			{
				return ( (GridHandle) parent ).canCopyColumn( columnNumber );
			}
		}
		return selection instanceof ReportItemHandle
				|| selection instanceof DataSetHandle
				|| selection instanceof DataSourceHandle
				|| selection instanceof ScalarParameterHandle
				|| selection instanceof ParameterGroupHandle
				
				|| selection instanceof GroupHandle
				|| 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 )