/**
 * Copyright 2010 Google Inc.
 *
 * 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.
 *
 */

package org.waveprotocol.wave.client.widget.button;

/**
 * Display that acts as a composite, wrapping multiple child displays,
 *   and keeping their states in sync.
 * @author patcoleman@google.com (Pat Coleman)
 */
public class CompositeButtonDisplay implements ButtonDisplay {
  /** The child displays this is a composite for */
  private final ButtonDisplay[] children;

  /**
   * Initialises the composite, taking all displays it is to sync together
   * @param displays Displays to sync
   */
  public CompositeButtonDisplay(ButtonDisplay... displays) {
    children = displays;
  }

  @Override
  public void setState(ButtonState state) {
    for (ButtonDisplay display : children) {
      display.setState(state);
    }
  }

  @Override
  public void setUiListener(MouseListener mouseListener) {
    for (ButtonDisplay display : children) {
      display.setUiListener(mouseListener);
    }
  }

  @Override
  public void setTooltip(String tooltip) {
    for (ButtonDisplay display : children) {
      display.setTooltip(tooltip);
    }
  }

  @Override
  public void setText(String text) {
    for (ButtonDisplay display : children) {
      display.setText(text);
    }
  }
}