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.ui.client;
029
030import org.opencms.gwt.client.util.CmsDomUtil;
031import org.opencms.ui.components.CmsCopyToClipboardButton;
032import org.opencms.ui.shared.components.CmsCopyToClipboardState;
033
034import com.google.gwt.event.dom.client.ClickEvent;
035import com.google.gwt.event.dom.client.ClickHandler;
036import com.vaadin.client.ui.ConnectorFocusAndBlurHandler;
037import com.vaadin.client.ui.VButton;
038import com.vaadin.client.ui.button.ButtonConnector;
039import com.vaadin.shared.ui.Connect;
040
041/**
042 * The copy to clip-board/select text button client connector.<p>
043 */
044@Connect(CmsCopyToClipboardButton.class)
045public class CmsCopyToClipboardButtonConnector extends ButtonConnector {
046
047    /** The serial version id. */
048    private static final long serialVersionUID = -5124036048815760156L;
049
050    /**
051     * @see com.vaadin.client.ui.AbstractConnector#getState()
052     */
053    @Override
054    public CmsCopyToClipboardState getState() {
055
056        return (CmsCopyToClipboardState)super.getState();
057    }
058
059    /**
060     * @see com.vaadin.client.ui.button.ButtonConnector#init()
061     */
062    @Override
063    public void init() {
064
065        VButton button = getWidget();
066        button.client = getConnection();
067        ConnectorFocusAndBlurHandler.addHandlers(this);
068
069        if (CmsDomUtil.isCopyToClipboardSupported()) {
070            button.addClickHandler(new ClickHandler() {
071
072                public void onClick(ClickEvent event) {
073
074                    event.preventDefault();
075                    event.stopPropagation();
076                    CmsDomUtil.copyToClipboard(getState().getSelector());
077                }
078            });
079        } else {
080            button.setVisible(false);
081        }
082    }
083}