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 GmbH & Co. KG, 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.widgets;
  
  import org.opencms.file.CmsObject;
  import org.opencms.workplace.CmsDialog;
  
  import java.util.Iterator;
  import java.util.List;
  
  /**
   * Provides a widget for a standard HTML form select box with. The jsp where this widget is used is
   * reloaded, when the select box value is changed.<p>
   *
   * Please see the documentation of <code>{@link org.opencms.widgets.CmsSelectWidgetOption}</code> for a description
   * about the configuration String syntax for the select options.<p>
   *
   * The select widget does use the following select options:<ul>
   * <li><code>{@link org.opencms.widgets.CmsSelectWidgetOption#getValue()}</code> for the <code>value</code> of the HTML select box
   * <li><code>{@link org.opencms.widgets.CmsSelectWidgetOption#isDefault()}</code> for pre-selecting a specific value
   * <li><code>{@link org.opencms.widgets.CmsSelectWidgetOption#getOption()}</code> for the <code>option</code> of the HTML select box
   * </ul>
   * <p>
   *
   * @since 7.5.3
   */
  public class CmsSelectOnChangeReloadWidget extends CmsSelectWidget {
  
      /**
       * Creates a new select widget.<p>
       */
      public CmsSelectOnChangeReloadWidget() {
  
          // empty constructor is required for class registration
          super();
      }
  
      /**
       * Creates a select widget with the select options specified in the given configuration List.<p>
       *
       * The list elements must be of type <code>{@link CmsSelectWidgetOption}</code>.<p>
       *
       * @param configuration the configuration (possible options) for the select widget
       *
       * @see CmsSelectWidgetOption
       */
      public CmsSelectOnChangeReloadWidget(List<CmsSelectWidgetOption> configuration) {
  
          super(configuration);
      }
  
      /**
       * Creates a select widget with the specified select options.<p>
       *
       * @param configuration the configuration (possible options) for the select box
       */
      public CmsSelectOnChangeReloadWidget(String configuration) {
  
          super(configuration);
      }
  
      /**
       * @see org.opencms.widgets.I_CmsWidget#getDialogWidget(org.opencms.file.CmsObject, org.opencms.widgets.I_CmsWidgetDialog, org.opencms.widgets.I_CmsWidgetParameter)
       */
      @Override
      public String getDialogWidget(CmsObject cms, I_CmsWidgetDialog widgetDialog, I_CmsWidgetParameter param) {
  
          String id = param.getId();
          StringBuffer result = new StringBuffer(16);
  
          result.append("<td class=\"xmlTd\" style=\"height: 25px;\"><select class=\"xmlInput");
          if (param.hasError()) {
              result.append(" xmlInputError");
          }
          result.append("\" name=\"");
          result.append(id);
          result.append("\" id=\"");
          result.append(id);
          result.append("\"");
          result.append(
              " onChange=\"document.getElementsByName('"
                  + CmsDialog.PARAM_ACTION
                  + "')[0].value='"
                  + CmsDialog.PARAM_ACTION_VALUE_FOR_CHANGED_INDEX
                  + "';this.form.submit()\"");
          result.append(">");
  
          // get select box options from default value String
          List<CmsSelectWidgetOption> options = parseSelectOptions(cms, widgetDialog, param);
          String selected = getSelectedValue(cms, param);
          Iterator<CmsSelectWidgetOption> i = options.iterator();
          while (i.hasNext()) {
              CmsSelectWidgetOption option = i.next();
              // create the option
              result.append("<option value=\"");
              result.append(option.getValue());
              result.append("\"");
              if ((selected != null) && selected.equals(option.getValue())) {
                  result.append(" selected=\"selected\"");
              }
              result.append(">");
              result.append(option.getOption());
              result.append("</option>");
          }
  
          result.append("</select>");
          result.append("</td>");
  
          return result.toString();
      }
  }