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annotate dwtx/draw2d/graph/NodeList.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) 2003, 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.graph.NodeList;
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14
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15 import dwt.dwthelper.utils;
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16 import dwtx.dwtxhelper.Collection;
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17 import dwtx.draw2d.graph.Node;
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18
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19 /**
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20 * A list containing nodes.
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21 * @author hudsonr
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22 * @since 2.1.2
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23 */
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24 public class NodeList : ArrayList {
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25
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26 /**
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27 * Constructs an empty NodeList.
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28 */
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29 public this() { }
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30
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31 /**
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32 * Constructs a NodeList with the elements from the specified list.
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33 * @param list the list whose elements are to be added to this list
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34 */
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35 public this(NodeList list) {
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36 super(list);
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37 }
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38
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39 void adjustRank (int delta) {
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40 if (delta is 0)
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41 return;
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42 for (int i = 0; i < size(); i++)
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43 getNode(i).rank += delta;
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44 }
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45
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46 void resetSortValues() {
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47 for (int i = 0; i < size(); i++)
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48 getNode(i).sortValue = 0.0;
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49 }
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50
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51 void resetIndices() {
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52 for (int i = 0; i < size(); i++)
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53 getNode(i).index = 0;
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54 }
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55
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56 void normalizeRanks() {
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57 int minRank = Integer.MAX_VALUE;
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58 for (int i = 0; i < size(); i++)
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59 minRank = Math.min(minRank, getNode(i).rank);
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60 adjustRank(-minRank);
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61 }
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62
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63 /**
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64 * Returns the Node at the given index.
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65 * @param index the index
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66 * @return the node at a given index
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67 */
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68 public Node getNode(int index) {
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69 return cast(Node)super.get(index);
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70 }
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71
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72 void resetFlags() {
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73 for (int i = 0; i < size(); i++) {
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74 getNode(i).flag = false;
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75 }
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76 }
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77
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78 }