content: /*
   * Created on May 8, 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.util.Platform.controlOrCommandKey;
  
  import javax.annotation.Nonnull;
  
  import org.fest.swing.annotation.RunsInEDT;
  import org.fest.swing.core.Robot;
  
  /**
   * Simulates multiple selection on a GUI component.
   *
   * @author Yvonne Wang
   */
  abstract class MultipleSelectionTemplate {
    private final Robot robot;
  
    MultipleSelectionTemplate(@Nonnull Robot robot) {
      this.robot = robot;
    }
  
    abstract int elementCount();
  
    @RunsInEDT
    final void multiSelect() {
      int elementCount = elementCount();
      selectElement(0);
      if (elementCount == 1) {
        return;
      }
      int key = controlOrCommandKey();
      robot.pressKey(key);
      try {
        for (int i = 1; i < elementCount; i++) {
          selectElement(i);
        }
      } finally {
        robot.releaseKey(key);
      }
    }
  
    abstract void selectElement(int index);
  }
  