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package org.eclipse.ui.examples.jobs;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.IconAndMessageDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.progress.ProgressManager;
/**
*BusyShowWhileDialog is a test of busyShowWhile in a modal dialog.
*/
public class BusyShowWhileDialog extends IconAndMessageDialog {
/**
* @param parentShell
* @todo Generated comment
*/
public BusyShowWhileDialog(Shell parentShell) {
super(parentShell);
message = "Busy While Test"; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.IconAndMessageDialog#getImage()
*/
protected Image getImage() {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
*/
protected void createButtonsForButtonBar(Composite parent) {
super.createButtonsForButtonBar(parent);
Button detailsButton = createButton(parent, 4, "Start busy show while", false); //$NON-NLS-1$
detailsButton.addSelectionListener(new SelectionListener() {
/* (non-Javadoc)
* @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetSelected(SelectionEvent e) {
try {
ProgressManager.getInstance().busyCursorWhile(new IRunnableWithProgress() {
/* (non-Javadoc)
* @see org.eclipse.jface.operation.IRunnableWithProgress#run(org.eclipse.core.runtime.IProgressMonitor)
*/
public void run(IProgressMonitor monitor) throws InvocationTargetException,
InterruptedException {
long time = System.currentTimeMillis();
long delay = PlatformUI.getWorkbench().getProgressService().getLongOperationTime();
long end = time + delay + delay;
while (end > System.currentTimeMillis()) {
final Shell myShell = BusyShowWhileDialog.this.getShell();
myShell.getDisplay().asyncExec(new Runnable() {
/* (non-Javadoc)
* @see java.lang.Runnable#run()
*/
public void run() {
if(myShell.isDisposed())
return;
myShell.getDisplay().sleep();
myShell.setText(String.valueOf(System.currentTimeMillis()));
}
});
}
}
});
} catch (InvocationTargetException error) {
error.printStackTrace();
} catch (InterruptedException error) {
//ignore - in this context it means cancelation
}
}
/* (non-Javadoc)
* @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetDefaultSelected(SelectionEvent e) {
//do nothing
}
});
}
}
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