de.cismet.tools.gui

Class WaitingDialogThread<T>

java.lang.Object

de.cismet.tools.gui.WaitingDialogThread<T>

All Implemented Interfaces:

Runnable, org.openide.util.Cancellable

public abstract class WaitingDialogThread<T>
extends Object
implements Runnable, org.openide.util.Cancellable

Executes a task in the background and shows a WaitingDialog until the end of the task.

Version:

$Revision$, $Date$

Author:

therter

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	canceled
protected WaitDialog	wd

Constructor Summary

Constructors

Constructor and Description
WaitingDialogThread(Frame parent, boolean modal, String text, Icon icon, int delay) Creates a new WaitingDialogThread object.
WaitingDialogThread(Frame parent, boolean modal, String text, Icon icon, int delay, boolean cancellable) Creates a new WaitingDialogThread object.

Method Summary

Modifier and Type	Method and Description
boolean	cancel()
protected abstract T	doInBackground() The task that should be executed is implemented in this method.
protected void	done() This method is executed in the edt after the backgrund task.
protected T	get() provides the result of the background task.
void	run()
void	start() starts the implemented task.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

wd

protected WaitDialog wd

canceled

protected boolean canceled

Constructor Detail

WaitingDialogThread

public WaitingDialogThread(Frame parent,
                           boolean modal,
                           String text,
                           Icon icon,
                           int delay)

Creates a new WaitingDialogThread object.

Parameters:

parent - paretn frame

modal - true, if the dialog should be modal

text - the text that should be shown in the dialog

icon - the icon of the dialog

delay - after this delay, the dialog should be shown

WaitingDialogThread

public WaitingDialogThread(Frame parent,
                           boolean modal,
                           String text,
                           Icon icon,
                           int delay,
                           boolean cancellable)

Creates a new WaitingDialogThread object.

Parameters:

parent - paretn frame

modal - true, if the dialog should be modal

text - the text that should be shown in the dialog

icon - the icon of the dialog

delay - after this delay, the dialog should be shown

cancellable - true, if a cancel button should be shown and the doInBackground() method should handle the interrupt signal, if this is true

Method Detail

run

public final void run()

Specified by:

run in interface Runnable

doInBackground

protected abstract T doInBackground()
                             throws Exception

The task that should be executed is implemented in this method.

Returns:

the result of the task. This result can be accessed in the done method

Throws:

Exception - DOCUMENT ME!

done

protected void done()

This method is executed in the edt after the backgrund task.

get

protected T get()
         throws Exception

provides the result of the background task.

Returns:

the result of the background task

Throws:

Exception - the exception, that was thrown in the background task

cancel

public boolean cancel()

Specified by:

cancel in interface org.openide.util.Cancellable

start

public void start()

starts the implemented task.