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package com.vaadin.tests.components;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import com.vaadin.annotations.Theme;
import com.vaadin.server.VaadinRequest;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.GridLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.ProgressBar;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;
@SuppressWarnings("serial")
@Theme("valo")
public class NoLayoutUpdateWhichNeedsLayout extends UI {
private ProgressBar progressBar;
private Window w;
@Override
protected void init(VaadinRequest request) {
final VerticalLayout layout = new VerticalLayout();
layout.setMargin(true);
setContent(layout);
setPollInterval(1000);
Button button = new Button(
"1. Execute scheduled task and show progress in a window");
button.setId("openWindow");
button.addClickListener(new Button.ClickListener() {
private Window w2;
@Override
public void buttonClick(ClickEvent event) {
GridLayout glo = new GridLayout();
progressBar = new ProgressBar();
progressBar.setIndeterminate(false);
progressBar.setId("progress");
glo.addComponent(progressBar);
w2 = new Window("test");
w2.setWidth("600px");
w2.setHeight("200px");
w2.setContent(glo);
w2.center();
Button closeB = new Button(
"2. Click to close after the progress is updated");
closeB.setId("closeWindow");
closeB.addClickListener(new ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
w2.close();
w2 = null;
}
});
glo.addComponent(closeB);
addWindow(w2);
scheduleTask();
}
});
Button openWin = new Button("3. Finally, Click to open a new Window");
openWin.addClickListener(new ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
w = new Window("test");
w.setWidth("300px");
w.setHeight("300px");
w.setContent(new VerticalLayout(new Label(
"simple test label component")));
w.center();
getUI().addWindow(w);
}
});
Button stopPolling = new Button("Stop polling", new ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
setPollInterval(-1);
}
});
layout.addComponents(button, openWin, stopPolling);
}
protected void scheduleTask() {
Thread t = new Thread() {
@Override
public void run() {
getUI().access(new Runnable() {
@Override
public void run() {
updateProgresBar(50);
}
});
}
};
ScheduledExecutorService worker = Executors
.newSingleThreadScheduledExecutor();
worker.schedule(t, 2, TimeUnit.SECONDS);
}
public void updateProgresBar(int pc) {
progressBar.setValue((float) (pc / 100.0));
}
}
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