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/*
 * 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 2012-2018 the original author or authors.
 */
package org.assertj.swing.driver;

import static org.assertj.swing.driver.JTreeAddRootIfInvisibleTask.addRootIfInvisible;
import static org.assertj.swing.edt.GuiActionRunner.execute;

import org.jetbrains.annotations.NotNull;
import javax.swing.JTree;
import javax.swing.tree.TreePath;

import org.assertj.swing.annotation.RunsInEDT;

/**
 * Ensures that the node identified by the specified path is expanded and viewable. This task is executed in the event
 * dispatch thread (EDT).
 *
 * @author Yvonne Wang
 * @author Alex Ruiz
 */
final class JTreeExpandPathTask {
  @RunsInEDT
  static void expandTreePath(final @NotNull JTree tree, final @NotNull TreePath path) {
    execute(() -> {
      TreePath realPath = addRootIfInvisible(tree, path);
      if (!tree.isExpanded(path)) {
        tree.expandPath(realPath);
      }
    });
  }

  private JTreeExpandPathTask() {}
}