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