content: /*
   * Created on Nov 13, 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.edt.GuiActionRunner.execute;
  
  import javax.annotation.Nonnull;
  import javax.annotation.Nullable;
  import javax.swing.JComboBox;
  
  import org.fest.swing.annotation.RunsInEDT;
  import org.fest.swing.cell.JComboBoxCellReader;
  import org.fest.swing.edt.GuiQuery;
  import org.fest.swing.util.TextMatcher;
  import org.fest.util.Preconditions;
  
  /**
   * Looks up the first item in a {@code JComboBox} whose value matches a given one.
   * 
   * @author Alex Ruiz
   */
  final class JComboBoxMatchingItemQuery {
    @RunsInEDT
    static int matchingItemIndex(final @Nonnull JComboBox comboBox, final @Nonnull TextMatcher matcher,
        final @Nonnull JComboBoxCellReader cellReader) {
      Integer result = execute(new GuiQuery<Integer>() {
        @Override
        protected @Nullable Integer executeInEDT() {
          int itemCount = comboBox.getItemCount();
          for (int i = 0; i < itemCount; i++) {
            String value = cellReader.valueAt(comboBox, i);
            if (value != null && matcher.isMatching(value)) {
              return i;
            }
          }
          return -1;
        }
      });
      return Preconditions.checkNotNull(result);
    }
  
    private JComboBoxMatchingItemQuery() {}
  }
  