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annotate dwtx/draw2d/TreeSearch.d @ 98:95307ad235d9

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Added Draw2d code, still work in progress
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 00:52:14 +0200
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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.draw2d.TreeSearch;
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14
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15 import dwt.dwthelper.utils;
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16 import dwtx.draw2d.IFigure;
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17
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18 /**
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19 * A helper used in depth-first searches of a figure subgraph.
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20 * @author hudsonr
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21 * @since 2.1
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22 */
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23 public interface TreeSearch {
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24
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25 /**
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26 * Returns <code>true</code> if the given figure is accepted by the search.
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27 * @param figure the current figure in the traversal
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28 * @return <code>true</code> if the figure is accepted
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29 */
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30 bool accept(IFigure figure);
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31
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32 /**
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33 * Returns <code>true</code> if the figure and all of its contained figures should be
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34 * pruned from the search.
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35 * @param figure the current figure in the traversal
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36 * @return <code>true</code> if the subgraph should be pruned
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37 */
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38 bool prune(IFigure figure);
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39
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40 }