Mercurial > projects > dwt-addons
view dwtx/jface/viewers/LabelProviderChangedEvent.d @ 10:b6c35faf97c8
Viewers
author | Frank Benoit <benoit@tionex.de> |
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date | Mon, 31 Mar 2008 00:47:19 +0200 |
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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.jface.viewers.LabelProviderChangedEvent; import dwtx.jface.viewers.IBaseLabelProvider; // import java.util.EventObject; import dwt.dwthelper.utils; /** * Event object describing a label provider state change. * * @see ILabelProviderListener */ public class LabelProviderChangedEvent : EventObject { /** * Generated serial version UID for this class. * @since 3.1 */ private static const long serialVersionUID = 3258410612479309878L; /** * The elements whose labels need to be updated or <code>null</code>. */ private Object[] elements; /** * Creates a new event for the given source, indicating that all labels * provided by the source are no longer valid and should be updated. * * @param source the label provider */ public this(IBaseLabelProvider source) { super(cast(Object)source); } /** * Creates a new event for the given source, indicating that the label * provided by the source for the given elements is no longer valid and should be updated. * * @param source the label provider * @param elements the element whose labels have changed */ public this(IBaseLabelProvider source, Object[] elements) { super(cast(Object)source); this.elements = elements; } /** * Creates a new event for the given source, indicating that the label * provided by the source for the given element is no longer valid and should be updated. * * @param source the label provider * @param element the element whose label needs to be updated */ public this(IBaseLabelProvider source, Object element) { super(cast(Object)source); this.elements = new Object[1]; this.elements[0] = element; } /** * Returns the first element whose label needs to be updated, * or <code>null</code> if all labels need to be updated. * * @return the element whose label needs to be updated or <code>null</code> */ public Object getElement() { if (this.elements is null || this.elements.length is 0) { return null; } else { return this.elements[0]; } } /** * Returns the elements whose labels need to be updated, * or <code>null</code> if all labels need to be updated. * * @return the element whose labels need to be updated or <code>null</code> */ public Object[] getElements() { if (this.elements is null) { return null; } else { return this.elements; } } }