Vertical/Horizontal Slider Sample (Smart GWT) : Slider « GWT « Java






Vertical/Horizontal Slider Sample (Smart GWT)

Vertical/Horizontal Slider Sample (Smart GWT)
   
/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */
package com.smartgwt.sample.showcase.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootPanel;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.Slider;
import com.smartgwt.client.widgets.events.DrawEvent;
import com.smartgwt.client.widgets.events.DrawHandler;
import com.smartgwt.client.widgets.events.ValueChangedEvent;
import com.smartgwt.client.widgets.events.ValueChangedHandler;

public class Showcase implements EntryPoint {

  public void onModuleLoad() {
    RootPanel.get().add(getViewPanel());
  }
  
  private int hBar1Value;
  private int hBar2Value;

  public Canvas getViewPanel() {

    Canvas canvas = new Canvas();

    final Slider vSlider = new Slider("Rating");
    vSlider.setMinValue(1);
    vSlider.setMaxValue(5);
    vSlider.setNumValues(5);
    vSlider.setHeight(300);
    canvas.addChild(vSlider);

    final Slider hSlider = new Slider("Rating");
    hSlider.setVertical(false);
    hSlider.setMinValue(1);
    hSlider.setMaxValue(5);
    hSlider.setNumValues(5);
    hSlider.setTop(200);
    hSlider.setLeft(100);
    canvas.addChild(hSlider);

    hSlider.addDrawHandler(new DrawHandler() {
        public void onDraw(DrawEvent event) {
            vSlider.addValueChangedHandler(new ValueChangedHandler() {
                public void onValueChanged(ValueChangedEvent event) {
                    int value = event.getValue();
                    if (hSlider.getValue() != value) {
                        hSlider.setValue(value);
                    }
                }
            });
        }
    });

    hSlider.addDrawHandler(new DrawHandler() {
        public void onDraw(DrawEvent event) {
            hSlider.addValueChangedHandler(new ValueChangedHandler() {
                public void onValueChanged(ValueChangedEvent event) {
                    int value = event.getValue();
                    if (vSlider.getValue() != value) {
                        vSlider.setValue(value);
                    }
                }
            });
        }
    });


    return canvas;
  }

}

   
    
    
  








SmartGWT.zip( 9,880 k)

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