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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 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 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.jface.dialogs.IPageChangeProvider;
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14
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15 import dwtx.jface.dialogs.IPageChangedListener;
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16
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17 import dwt.dwthelper.utils;
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18
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19 /**
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20 * Minimal interface to a page change provider. Used for dialogs which can
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21 * switch between multiple pages.
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22 *
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23 * @since 3.1
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24 */
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25 public interface IPageChangeProvider {
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26 /**
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27 * Returns the currently selected page in the dialog.
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28 *
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29 * @return the selected page in the dialog or <code>null</code> if none is
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30 * selected. The type may be domain specific. In
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31 * the JFace provided dialogs this will be an instance of
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32 * <code>IDialogPage</code>.
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33 */
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34 Object getSelectedPage();
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35
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36 /**
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37 * Adds a listener for page changes in this page change provider. Has no
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38 * effect if an identical listener is already registered.
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39 *
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40 * @param listener
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41 * a page changed listener
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42 */
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43 void addPageChangedListener(IPageChangedListener listener);
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44
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45 /**
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46 * Removes the given page change listener from this page change provider.
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47 * Has no effect if an identical listener is not registered.
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48 *
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49 * @param listener
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50 * a page changed listener
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51 */
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52 void removePageChangedListener(IPageChangedListener listener);
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53
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54 }
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