import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.ProgressBar;
import org.eclipse.swt.widgets.Shell;
public class ProgressBarExample {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new GridLayout());
// Create a smooth ProgressBar
ProgressBar pb1 = new ProgressBar(shell, SWT.HORIZONTAL | SWT.SMOOTH);
pb1.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
pb1.setMinimum(0);
pb1.setMaximum(30);
// Start the first ProgressBar
new LongRunningOperation(display, pb1).start();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
}
}
class LongRunningOperation extends Thread {
private Display display;
private ProgressBar progressBar;
public LongRunningOperation(Display display, ProgressBar progressBar) {
this.display = display;
this.progressBar = progressBar;
}
public void run() {
for (int i = 0; i < 30; i++) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
}
display.asyncExec(new Runnable() {
public void run() {
if (progressBar.isDisposed())
return;
progressBar.setSelection(progressBar.getSelection() + 1);
}
});
}
}
}
|