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1 /*******************************************************************************
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2 * Copyright (c) 2006, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * Chris Gross (schtoo@schtoo.com) - initial API and implementation for bug 16179
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10 * IBM Corporation - revisions to initial contribution
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11 * Port to the D programming language:
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12 * Frank Benoit <benoit@tionex.de>
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13 *******************************************************************************/
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14 module dwtx.jface.dialogs.IPageChangingListener;
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15
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16 import dwtx.jface.dialogs.PageChangingEvent;
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17
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18 import dwt.dwthelper.utils;
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19
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20 /**
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21 * A listener which is notified when the current page of a multi-page dialog is
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22 * changing. Use this listener to perform long-running work that should only be
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23 * executed once, when the page is in the process of changing, rather then
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24 * during validation of page controls.
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25 *
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26 * @see PageChangingEvent
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27 * @since 3.3
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28 */
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29 public interface IPageChangingListener {
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30
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31 /**
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32 * Handle the an <code>IDialogPage</code> changing.
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33 *
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34 * The <code>doit</code> field of the <code>PageChangingEvent</code>
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35 * must be set to false to prevent the page from changing.
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36 *
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37 * @param event
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38 * event object describing the change
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39 */
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40 public void handlePageChanging(PageChangingEvent event);
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41
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42 }
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