/**
 * 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 2012-2015 the original author or authors.
 */
package org.assertj.swing.fixture;

import javax.annotation.Nonnull;

/**
 * Supports functional testing of single nodes in {@code JTree}s
 * 
 * @param <S> used to simulate "self types." For more information please read "<a href="http://goo.gl/fjgOM"
 *          target="_blank">Emulating 'self types' using Java Generics to simplify fluent API implementation</a>."
 * 
 * @author Alex Ruiz
 */
public interface JTreeNodeFixture<S> extends ItemFixture<S> {
  /**
   * Simulates a user expanding this fixture's tree node.
   * 
   * @return this fixture.
   * @throws IllegalStateException if the {@code JTree} is disabled.
   * @throws IllegalStateException if the {@code JTree} is not showing on the screen.
   * @throws ActionFailedException if this method fails to expand the row.
   */
  @Nonnull
  S expand();

  /**
   * Simulates a user collapsing this fixture's tree node.
   * 
   * @return this fixture.
   * @throws IllegalStateException if the {@code JTree} is disabled.
   * @throws IllegalStateException if the {@code JTree} is not showing on the screen.
   * @throws ActionFailedException if this method fails to collapse the row.
   */
  @Nonnull
  S collapse();
}