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 org.opencms.gwt.client.ui.css.I_CmsLayoutBundle; 031 032import com.google.gwt.dom.client.Element; 033import com.google.gwt.event.dom.client.MouseOutEvent; 034import com.google.gwt.event.dom.client.MouseOverEvent; 035 036/** 037 * Event handler to toggle the {@link org.opencms.gwt.client.ui.css.I_CmsLayoutBundle.I_CmsStateCss#cmsHovering()} class on mouse out/over.<p> 038 * 039 * @since 8.0.0 040 */ 041public class CmsClassHoverHandler extends A_CmsHoverHandler { 042 043 /** The owner element. */ 044 protected Element m_owner; 045 046 /** 047 * Constructor.<p> 048 * 049 * @param owner the owner element 050 */ 051 public CmsClassHoverHandler(Element owner) { 052 053 m_owner = owner; 054 } 055 056 /** 057 * @see org.opencms.gwt.client.ui.A_CmsHoverHandler#onHoverIn(com.google.gwt.event.dom.client.MouseOverEvent) 058 */ 059 @Override 060 protected void onHoverIn(MouseOverEvent event) { 061 062 m_owner.addClassName(I_CmsLayoutBundle.INSTANCE.stateCss().cmsHovering()); 063 } 064 065 /** 066 * @see org.opencms.gwt.client.ui.A_CmsHoverHandler#onHoverOut(com.google.gwt.event.dom.client.MouseOutEvent) 067 */ 068 @Override 069 protected void onHoverOut(MouseOutEvent event) { 070 071 m_owner.removeClassName(I_CmsLayoutBundle.INSTANCE.stateCss().cmsHovering()); 072 } 073}