content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.ui.client;
  
  import org.opencms.gwt.client.util.CmsDomUtil;
  import org.opencms.ui.components.CmsCopyToClipboardButton;
  import org.opencms.ui.shared.components.CmsCopyToClipboardState;
  
  import com.google.gwt.event.dom.client.ClickEvent;
  import com.google.gwt.event.dom.client.ClickHandler;
  import com.vaadin.client.ui.ConnectorFocusAndBlurHandler;
  import com.vaadin.client.ui.VButton;
  import com.vaadin.client.ui.button.ButtonConnector;
  import com.vaadin.shared.ui.Connect;
  
  /**
   * The copy to clip-board/select text button client connector.<p>
   */
  @Connect(CmsCopyToClipboardButton.class)
  public class CmsCopyToClipboardButtonConnector extends ButtonConnector {
  
      /** The serial version id. */
      private static final long serialVersionUID = -5124036048815760156L;
  
      /**
       * @see com.vaadin.client.ui.AbstractConnector#getState()
       */
      @Override
      public CmsCopyToClipboardState getState() {
  
          return (CmsCopyToClipboardState)super.getState();
      }
  
      /**
       * @see com.vaadin.client.ui.button.ButtonConnector#init()
       */
      @Override
      public void init() {
  
          VButton button = getWidget();
          button.client = getConnection();
          ConnectorFocusAndBlurHandler.addHandlers(this);
  
          if (CmsDomUtil.isCopyToClipboardSupported()) {
              button.addClickHandler(new ClickHandler() {
  
                  public void onClick(ClickEvent event) {
  
                      event.preventDefault();
                      event.stopPropagation();
                      CmsDomUtil.copyToClipboard(getState().getSelector());
                  }
              });
          } else {
              button.setVisible(false);
          }
      }
  }
  