Bug 126658 [CommonNavigator] [DND] Complete definition of DND API
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonDropAdapter.java
event.dataTypes[i])) {
				event.currentDataType = event.dataTypes[i];
				return;
			} else if (FileTransfer.getInstance().isSupportedType(
					event.dataTypes[i])) {
				event.currentDataType = event.dataTypes[i];
				event.detail = DND.DROP_COPY;
				return;
			} else if (PluginTransfer.getInstance().isSupportedType(
					event.dataTypes[i])) {
				event.currentDataType = event.dataTypes[i];
				return;
			}
		}
		event.detail = DND.DROP_NONE;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.dnd.DropTargetAdapter#dragLeave(org.eclipse.swt.dnd.DropTargetEvent)
	 */
	public void dragLeave(DropTargetEvent event) {
		super.dragLeave(event);
		if (LocalSelectionTransfer.getTransfer().isSupportedType(
				event.currentDataType)) {
			event.data = NavigatorPluginDropAction
					.createTransferData(contentService);
		}
	}
	/*