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.ade.postupload.client.ui;
  
  import com.google.gwt.user.client.ui.FlowPanel;
  
  /**
   * Allows using an 'a' element as a GWT panel.
   */
  public class CmsPreviewLink extends FlowPanel {
  
      /**
       * Creates a new instance.
       */
      public CmsPreviewLink() {
  
          super("a");
      }
  
      /**
       * Sets the link URL.
       *
       * @param href the link URL
       */
      public void setHref(String href) {
  
          setAttr("href", href);
      }
  
      /**
       * Sets the 'target' attribute of the link.
       *
       * @param target the new value for the 'target' attribute
       */
      public void setTarget(String target) {
  
          setAttr("target", target);
      }
  
      /**
       * Helper method for setting/clearing an element attribute.
       *
       * <p>If the given value is null, the attribute is cleared, otherwise it is set to that value.
       *
       * @param name the attribute name
       * @param value the attribute value
       */
      private void setAttr(String name, String value) {
  
          if (value != null) {
              getElement().setAttribute(name, value);
          } else {
              getElement().removeAttribute(name);
          }
      }
  
  }
  