content: /*
   * Created on Nov 18, 2008
   * 
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
   * the License. You may obtain a copy of the License at
   * 
   * http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
   * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
   * specific language governing permissions and limitations under the License.
   * 
   * Copyright @2008-2013 the original author or authors.
   */
  package org.fest.swing.driver;
  
  import static org.fest.swing.driver.MenuElementComponentQuery.componentIn;
  import static org.fest.swing.edt.GuiActionRunner.execute;
  import static org.fest.util.Preconditions.checkNotNull;
  
  import java.awt.Component;
  
  import javax.annotation.Nonnull;
  import javax.annotation.Nullable;
  import javax.swing.JMenuItem;
  import javax.swing.JPopupMenu;
  import javax.swing.MenuElement;
  
  import org.fest.swing.annotation.RunsInEDT;
  import org.fest.swing.edt.GuiQuery;
  
  /**
   * Returns the contents of a {@code JPopupMenu} as a {@code String} array. This query is executed in the event dispatch
   * thread (EDT.)
   * 
   * @author Alex Ruiz
   */
  final class JPopupMenuElementsAsTextQuery {
    @RunsInEDT
    static @Nonnull String[] menuElementsAsText(final @Nonnull JPopupMenu popupMenu) {
      String[] result = execute(new GuiQuery<String[]>() {
        @Override
        protected String[] executeInEDT() throws Throwable {
          MenuElement[] subElements = popupMenu.getSubElements();
          String[] result = new String[subElements.length];
          for (int i = 0; i < subElements.length; i++) {
            MenuElement subElement = checkNotNull(subElements[i]);
            result[i] = textOf(subElement);
          }
          return result;
        }
      });
      return checkNotNull(result);
    }
  
    private static @Nullable String textOf(@Nonnull MenuElement e) {
      Component c = componentIn(e);
      if (c instanceof JMenuItem) {
        return ((JMenuItem) c).getText();
      }
      return "-";
    }
  
    private JPopupMenuElementsAsTextQuery() {}
  }
  