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コード詳細:
private int hBar1Value;
private int hBar2Value;
/**
* This is the entry point method.
*/
public void onModuleLoad()
{
VLayout horizontalBars = new VLayout(4);
horizontalBars.setWidth(300);
final Label hBar1Label = new Label("Current File Progress");
hBar1Label.setHeight(16);
horizontalBars.addMember(hBar1Label);
final Progressbar hBar1 = new Progressbar();
hBar1.setHeight(24);
hBar1.setVertical(false);
horizontalBars.addMember(hBar1);
final Label hBar2Label = new Label("Total Progress");
hBar2Label.setHeight(16);
horizontalBars.addMember(hBar2Label);
final Progressbar hBar2 = new Progressbar();
hBar2.setVertical(false);
hBar2.setHeight(24);
horizontalBars.addMember(hBar2);
final IButton buttonStart = new IButton("Start Demo");
buttonStart.setAutoFit(true);
buttonStart.addClickHandler(new ClickHandler()
{
public void onClick(ClickEvent event)
{
buttonStart.setDisabled(true);
hBar1Value = 0;
hBar2Value = 0;
hBar1.setPercentDone(hBar1Value);
hBar1Label.setContents("Current File Progress");
hBar2.setPercentDone(hBar2Value);
hBar2Label.setContents("Total Progress");
new Timer()
{
public void run()
{
hBar1Value += 1 + (int) (10 * Math.random());
if (hBar1Value > 100)
{
hBar1Value = 0;
hBar2Value += 1 + (int) (5 * Math.random());
if (hBar2Value >= 100)
hBar1Value = hBar2Value = 100;
hBar2.setPercentDone(hBar2Value);
hBar2Label.setContents("Total Progress: "
+ hBar2Value + "%");
}
hBar1.setPercentDone(hBar1Value);
hBar1Label.setContents("Current File Progress: "
+ hBar1Value + "%");
if (hBar2Value != 100)
schedule(5 + (int) (50 * Math.random()));
else
buttonStart.setDisabled(false);
}
}.schedule(50);
}
});
HLayout buttonCanvas = new HLayout();
buttonCanvas.setMargin(10);
buttonCanvas.addMember(buttonStart);
horizontalBars.addMember(buttonCanvas);
Canvas canvas = new Canvas();
canvas.addChild(horizontalBars);
canvas.draw();
}
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