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/*
* Copyright 2000-2013 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.tests.components.progressindicator;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUI;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Label;
import com.vaadin.ui.ProgressBar;
import com.vaadin.ui.ProgressIndicator;
public class ProgressBarTest extends AbstractTestUI {
private Label updatedFromBackround;
private Thread updateThread = new Thread() {
@Override
public void run() {
Runnable updateTask = new Runnable() {
@Override
public void run() {
counter++;
updateLabel();
}
};
while (true) {
access(updateTask);
try {
Thread.sleep(500);
} catch (InterruptedException e) {
break;
}
}
}
};
private ProgressBar progressBar;
private int counter = 0;
@Override
protected void setup(VaadinRequest request) {
updatedFromBackround = new Label();
updatedFromBackround.setCaption("Updated from background thread");
updateLabel();
addComponent(updatedFromBackround);
addComponent(new Button("Use ProgressBar", new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
useComponent(new ProgressBar());
}
}));
addComponent(new Button("Use ProgressIndicator",
new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
useComponent(new ProgressIndicator());
}
}));
addComponent(new Button("Stop background thread",
new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
stopUpdateThread();
}
}));
updateThread.setDaemon(true);
updateThread.start();
}
private void useComponent(ProgressBar progressBar) {
if (this.progressBar != null) {
removeComponent(this.progressBar);
}
this.progressBar = progressBar;
addComponent(progressBar);
counter = 0;
updateLabel();
}
@Override
public void detach() {
super.detach();
stopUpdateThread();
}
private void stopUpdateThread() {
if (updateThread != null) {
updateThread.interrupt();
updateThread = null;
}
}
private void updateLabel() {
updatedFromBackround.setValue(String.valueOf(counter));
}
@Override
protected String getTestDescription() {
return "ProgressBar should work just as ProgressIndicator, just without the polling";
}
@Override
protected Integer getTicketNumber() {
return Integer.valueOf(11925);
}
}
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