Mercurial > projects > dwt-addons
view dwtx/core/runtime/NullProgressMonitor.d @ 3:6518c18a01f7
eclipse.core package without osgi dependencies
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 26 Mar 2008 00:57:19 +0100 |
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/******************************************************************************* * Copyright (c) 2000, 2006 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module dwtx.core.runtime.NullProgressMonitor; import dwtx.core.runtime.IProgressMonitor; import dwt.dwthelper.utils; /** * A default progress monitor implementation suitable for * subclassing. * <p> * This implementation supports cancelation. The default * implementations of the other methods do nothing. * </p><p> * This class can be used without OSGi running. * </p> */ public class NullProgressMonitor : IProgressMonitor { /** * Indicates whether cancel has been requested. */ private bool cancelled = false; /** * Constructs a new progress monitor. */ public this() { } /** * This implementation does nothing. * Subclasses may override this method to do interesting * processing when a task begins. * * @see IProgressMonitor#beginTask(String, int) */ public void beginTask(String name, int totalWork) { // do nothing } /** * This implementation does nothing. * Subclasses may override this method to do interesting * processing when a task is done. * * @see IProgressMonitor#done() */ public void done() { // do nothing } /** * This implementation does nothing. * Subclasses may override this method. * * @see IProgressMonitor#internalWorked(double) */ public void internalWorked(double work) { // do nothing } /** * This implementation returns the value of the internal * state variable set by <code>setCanceled</code>. * Subclasses which override this method should * override <code>setCanceled</code> as well. * * @see IProgressMonitor#isCanceled() * @see IProgressMonitor#setCanceled(bool) */ public bool isCanceled() { return cancelled; } /** * This implementation sets the value of an internal state variable. * Subclasses which override this method should override * <code>isCanceled</code> as well. * * @see IProgressMonitor#isCanceled() * @see IProgressMonitor#setCanceled(bool) */ public void setCanceled(bool cancelled) { this.cancelled = cancelled; } /** * This implementation does nothing. * Subclasses may override this method to do something * with the name of the task. * * @see IProgressMonitor#setTaskName(String) */ public void setTaskName(String name) { // do nothing } /** * This implementation does nothing. * Subclasses may override this method to do interesting * processing when a subtask begins. * * @see IProgressMonitor#subTask(String) */ public void subTask(String name) { // do nothing } /** * This implementation does nothing. * Subclasses may override this method to do interesting * processing when some work has been completed. * * @see IProgressMonitor#worked(int) */ public void worked(int work) { // do nothing } }