Java tutorial
/* * Copyright 2015 John Ahlroos * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express * or implied. See the License for the specific language governing permissions and limitations under * the License. */ package com.haulmont.cuba.web.widgets.addons.dragdroplayouts.events; import java.util.Map; import com.vaadin.event.TransferableImpl; import com.vaadin.shared.MouseEventDetails; import com.vaadin.ui.Component; import com.haulmont.cuba.web.widgets.client.addons.dragdroplayouts.ui.Constants; /** * Abstract base class for layout based transferable's. * * @author John Ahlroos / www.jasoft.fi * @since 0.4.0 */ @SuppressWarnings("serial") public class LayoutBoundTransferable extends TransferableImpl { /** * Default constructor * * @param sourceComponent * The layout from where the drag started * @param rawVariables * The details of the drag */ public LayoutBoundTransferable(Component sourceComponent, Map<String, Object> rawVariables) { super(sourceComponent, rawVariables); } /** * Get the component being dragged * * @return The component */ public Component getComponent() { return (Component) getData(Constants.TRANSFERABLE_DETAIL_COMPONENT); } /** * @return the mouse down event that started the drag and drop operation */ public MouseEventDetails getMouseDownEvent() { return MouseEventDetails.deSerialize((String) getData(Constants.TRANSFERABLE_DETAIL_MOUSEDOWN)); } }