/**
    * This file Copyright (c) 2013-2018 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.ui.vaadin.gwt.client.layout.lazylayout.widget;
  
  import com.google.gwt.event.dom.client.ClickHandler;
  import com.google.gwt.event.logical.shared.HasValueChangeHandlers;
  import com.google.gwt.event.logical.shared.ValueChangeHandler;
  import com.google.gwt.event.shared.HandlerRegistration;
  import com.google.gwt.user.client.ui.Button;
  import com.google.gwt.user.client.ui.Composite;
  import com.google.gwt.user.client.ui.FlowPanel;
  import com.google.gwt.user.client.ui.HasValue;
  import com.vaadin.v7.client.ui.VSlider;
  
  /**
   * Simple client-side slider widget, wraps mgwt's slider.
   */
  public class Slider extends Composite implements HasValueChangeHandlers<Double>, HasValue<Double> {
  
      private VSlider slider = new VSlider();
  
  
      public Slider() {
          super();
          slider.setMinValue(0);
          slider.setMaxValue(100);
  
          FlowPanel panel = new FlowPanel();
          panel.addStyleName("slider-panel");
          panel.add(createButton("icon-close-node", event -> slider.setValue(slider.getValue() - 10, true)));
          panel.add(slider);
          panel.add(createButton("icon-open-node", event -> slider.setValue(slider.getValue() + 10, true)));
  
          initWidget(panel);
      }
  
      private Button createButton(String icon, ClickHandler clickHandler) {
          Button button = new Button("<span class=\"" + icon + "\"></span>");
          button.addStyleName("icon");
          button.addClickHandler(clickHandler);
          return button;
      }
  
      @Override
      public HandlerRegistration addValueChangeHandler(ValueChangeHandler<Double> integerValueChangeHandler) {
          return slider.addValueChangeHandler(integerValueChangeHandler);
      }
  
      @Override
      public Double getValue() {
          return slider.getValue();
      }
  
      @Override
      public void setValue(Double value) {
          slider.setValue(value);
      }
  
      @Override
      public void setValue(Double value, boolean fireEvents) {
          slider.setValue(value, fireEvents);
      }
  }