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annotate dwtx/draw2d/graph/EdgeList.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.EdgeList;
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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.Edge;
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18 /**
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19 * A list of <code>Edge</code>s.
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20 * @author hudsonr
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21 * @since 2.1.2
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22 */
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23 public class EdgeList : ArrayList {
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24
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25 /**
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26 * Returns the edge for the given index.
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27 * @param index the index of the requested edge
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28 * @return the edge at the given index
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29 */
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30 public Edge getEdge(int index) {
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31 return cast(Edge)super.get(index);
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32 }
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33
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34 /**
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35 * For intrenal use only.
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36 * @param i and index
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37 * @return a value
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38 */
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39 public int getSourceIndex(int i) {
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40 return getEdge(i).source.index;
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41 }
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42
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43 /**
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44 * For internal use only.
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45 * @param i an index
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46 * @return a value
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47 */
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48 public int getTargetIndex(int i) {
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49 return getEdge(i).target.index;
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50 }
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51
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52 /**
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53 * For internal use only.
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54 * @return the minimum slack for this edge list
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55 */
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56 public int getSlack() {
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57 int slack = Integer.MAX_VALUE;
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58 for (int i = 0; i < this.size(); i++)
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59 slack = Math.min(slack, getEdge(i).getSlack());
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60 return slack;
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61 }
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62
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63 /**
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64 * For internal use only.
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65 * @return the total weight of all edges
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66 */
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67 public int getWeight() {
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68 int w = 0;
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69 for (int i = 0; i < this.size(); i++)
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70 w += getEdge(i).weight;
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71 return w;
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72 }
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73
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74 /**
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75 * For internal use only
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76 * @return <code>true</code> if completely flagged
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77 */
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78 public bool isCompletelyFlagged() {
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79 for (int i = 0; i < size(); i++) {
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80 if (!getEdge(i).flag)
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81 return false;
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82 }
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83 return true;
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84 }
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85
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86 /**
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87 * For internal use only. Resets all flags.
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88 * @param resetTree internal
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89 */
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90 public void resetFlags(bool resetTree) {
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91 for (int i = 0; i < size(); i++) {
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92 getEdge(i).flag = false;
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93 if (resetTree)
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94 getEdge(i).tree = false;
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95 }
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96 }
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97
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98 /**
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99 * For internal use only.
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100 * @param value value
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101 */
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102 public void setFlags(bool value) {
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103 for (int i = 0; i < size(); i++)
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104 getEdge(i).flag = value;
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105 }
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106
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107 }