001/* 002 * This library is part of OpenCms - 003 * the Open Source Content Management System 004 * 005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com) 006 * 007 * This library is free software; you can redistribute it and/or 008 * modify it under the terms of the GNU Lesser General Public 009 * License as published by the Free Software Foundation; either 010 * version 2.1 of the License, or (at your option) any later version. 011 * 012 * This library is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * For further information about Alkacon Software, please see the 018 * company website: http://www.alkacon.com 019 * 020 * For further information about OpenCms, please see the 021 * project website: http://www.opencms.org 022 * 023 * You should have received a copy of the GNU Lesser General Public 024 * License along with this library; if not, write to the Free Software 025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 026 */ 027 028package org.opencms.gwt.client.ui; 029 030import com.google.gwt.event.dom.client.HasMouseOutHandlers; 031import com.google.gwt.event.dom.client.HasMouseOverHandlers; 032import com.google.gwt.event.dom.client.MouseOutEvent; 033import com.google.gwt.event.dom.client.MouseOutHandler; 034import com.google.gwt.event.dom.client.MouseOverEvent; 035import com.google.gwt.event.dom.client.MouseOverHandler; 036import com.google.gwt.event.shared.HandlerRegistration; 037import com.google.gwt.user.client.ui.FlowPanel; 038 039/** 040 * A {@link com.google.gwt.user.client.ui.FlowPanel} implementation toggles the {@link org.opencms.gwt.client.ui.css.I_CmsLayoutBundle.I_CmsStateCss#cmsHovering()} CSS class on mouse over.<p> 041 * 042 * @since 8.0.0 043 */ 044public class CmsHoverPanel extends FlowPanel implements HasMouseOutHandlers, HasMouseOverHandlers { 045 046 /** 047 * Constructor.<p> 048 */ 049 public CmsHoverPanel() { 050 051 super(); 052 A_CmsHoverHandler handler = new CmsClassHoverHandler(getElement()); 053 addMouseOutHandler(handler); 054 addMouseOverHandler(handler); 055 } 056 057 /** 058 * @see com.google.gwt.event.dom.client.HasMouseOutHandlers#addMouseOutHandler(com.google.gwt.event.dom.client.MouseOutHandler) 059 */ 060 public HandlerRegistration addMouseOutHandler(MouseOutHandler handler) { 061 062 return addDomHandler(handler, MouseOutEvent.getType()); 063 064 } 065 066 /** 067 * @see com.google.gwt.event.dom.client.HasMouseOverHandlers#addMouseOverHandler(com.google.gwt.event.dom.client.MouseOverHandler) 068 */ 069 public HandlerRegistration addMouseOverHandler(MouseOverHandler handler) { 070 071 return addDomHandler(handler, MouseOverEvent.getType()); 072 } 073}