content: /*
   * Created on Jun 22, 2009
   * 
   * 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 @2009-2013 the original author or authors.
   */
  package org.fest.swing.driver;
  
  import static org.fest.swing.awt.AWT.centerOf;
  import static org.fest.swing.awt.AWT.centerOfVisibleRect;
  import static org.fest.swing.awt.AWT.translate;
  import static org.fest.util.Preconditions.checkNotNull;
  
  import java.awt.Point;
  import java.awt.Rectangle;
  
  import javax.annotation.Nonnull;
  import javax.swing.JList;
  
  import org.fest.swing.annotation.RunsInCurrentThread;
  
  /**
   * Calculates the center of a cell in a {@code JList}.
   * 
   * @author Alex Ruiz
   */
  final class JListCellCenterQuery {
    /*
     * Sometimes the cell can be a lot longer than the JList (e.g. when a list item has long text and the JList is in a
     * JScrollPane.) In this case, we return the center of visible rectangle of the JList (issue FEST-65.)
     */
    @RunsInCurrentThread
    static @Nonnull Point cellCenter(@Nonnull JList list, @Nonnull Rectangle cellBounds) {
      Point cellCenter = centerOf(cellBounds);
      Point translated = checkNotNull(translate(list, cellCenter.x, cellCenter.y));
      int listVisibleWidth = list.getVisibleRect().width;
      if (translated.x < listVisibleWidth) {
        return cellCenter;
      }
      Point listCenter = centerOfVisibleRect(list);
      return new Point(listCenter.x, cellCenter.y);
    }
  
    private JListCellCenterQuery() {}
  }
  