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/*
 * Copyright 2007 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 com.google.gwt.user.client.ui;

import com.google.gwt.event.dom.client.ClickHandler;

/**
 * A normal push button with custom styling.
 * 
 * 
 * 
 * 
 * 
 * CSS Style Rules
 * 
 * .gwt-PushButton-up/down/up-hovering/down-hovering/up-disabled/down-disabled {.html-face}
 * 
 * 
 * 
 * 
Example {@example com.google.gwt.examples.PushButtonExample}
 * 
 */
public class PushButton extends CustomButton {

  private static final String STYLENAME_DEFAULT = "gwt-PushButton";

  {
    setStyleName(STYLENAME_DEFAULT);
  }

  /**
   * Constructor for PushButton.
   */
  public PushButton() {
    super();
  }

  /**
   * Constructor for PushButton.
   * 
   * @param upImage image for the default(up) face of the button
   */
  public PushButton(Image upImage) {
    super(upImage);
  }

  /**
   * Constructor for PushButton. The supplied image is used to
   * construct the default face of the button.
   * 
   * @param upImage image for the default (up) face of the button
   * @param handler teh click handler
   */
  public PushButton(Image upImage, ClickHandler handler) {
    super(upImage, handler);
  }

  /**
   * Constructor for PushButton. The supplied image is used to
   * construct the default face of the button.
   * 
   * @param upImage image for the default (up) face of the button
   * @param listener the click listener
   * @deprecated Use {@link #PushButton(Image, ClickHandler)} instead
   */
  @Deprecated
  public PushButton(Image upImage, ClickListener listener) {
    super(upImage, listener);
  }

  /**
   * Constructor for PushButton.
   * 
   * @param upImage image for the default(up) face of the button
   * @param downImage image for the down face of the button
   */
  public PushButton(Image upImage, Image downImage) {
    super(upImage, downImage);
  }

  /**
   * Constructor for PushButton.
   * 
   * @param upImage image for the default(up) face of the button
   * @param downImage image for the down face of the button
   * @param handler the click handler
   */
  public PushButton(Image upImage, Image downImage, ClickHandler handler) {
    super(upImage, downImage, handler);
  }

  /**
   * Constructor for PushButton.
   * 
   * @param upImage image for the default(up) face of the button
   * @param downImage image for the down face of the button
   * @param listener clickListener
   * @deprecated Use {@link #PushButton(Image, Image, ClickHandler)} instead
   */
  @Deprecated
  public PushButton(Image upImage, Image downImage, ClickListener listener) {
    super(upImage, downImage, listener);
  }

  /**
   * Constructor for PushButton. The supplied text is used to
   * construct the default face of the button.
   * 
   * @param upText the text for the default (up) face of the button.
   */
  public PushButton(String upText) {
    super(upText);
  }

  /**
   * Constructor for PushButton. The supplied text is used to
   * construct the default face of the button.
   * 
   * @param upText the text for the default (up) face of the button
   * @param handler the click handler
   */
  public PushButton(String upText, ClickHandler handler) {
    super(upText, handler);
  }

  /**
   * Constructor for PushButton. The supplied text is used to
   * construct the default face of the button.
   * 
   * @param upText the text for the default (up) face of the button
   * @param listener the click listener
   * @deprecated Use {@link #PushButton(String, ClickHandler)} instead
   */
  @Deprecated
  public PushButton(String upText, ClickListener listener) {
    super(upText, listener);
  }

  /**
   * Constructor for PushButton.
   * 
   * @param upText the text for the default (up) face of the button
   * @param downText the text for down face of the button
   */
  public PushButton(String upText, String downText) {
    super(upText, downText);
  }

  /**
   * Constructor for PushButton.
   * 
   * @param upText the text for the default (up) face of the button
   * @param downText the text for down face of the button
   * @param handler the click handler
   */
  public PushButton(String upText, String downText, ClickHandler handler) {
    super(upText, downText, handler);
  }

  /**
   * Constructor for PushButton.
   * 
   * @param upText the text for the default (up) face of the button
   * @param downText the text for down face of the button
   * @param listener the click listener
   * @deprecated Use {@link #PushButton(String, String, ClickHandler)} instead
   */
  @Deprecated
  public PushButton(String upText, String downText, ClickListener listener) {
    super(upText, downText, listener);
  }

  @Override
  protected void onClick() {
    setDown(false);
    super.onClick();
  }

  @Override
  protected void onClickCancel() {
    setDown(false);
  }

  @Override
  protected void onClickStart() {
    setDown(true);
  }
}