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annotate org.eclipse.draw2d/src/org/eclipse/draw2d/graph/VirtualNode.d @ 17:6f068362a363

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Remove direct import of tango.text.convert.Format
author Frank Benoit <benoit@tionex.de>
date Wed, 18 Mar 2009 09:09:23 +0100
parents bc29606a740c
children
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1 /*******************************************************************************
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2 * Copyright (c) 2003, 2008 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 org.eclipse.draw2d.graph.VirtualNode;
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14
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15 import java.lang.all;
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16
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17 import org.eclipse.draw2d.geometry.Insets;
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18 import org.eclipse.draw2d.graph.Node;
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19 import org.eclipse.draw2d.graph.Edge;
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20 import org.eclipse.draw2d.graph.Subgraph;
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21
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22 /**
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23 * @deprecated virtual nodes of an edge should be cast to Node.
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24 * @author Randy Hudson
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25 * @since 2.1.2
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26 */
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27 public class VirtualNode : Node {
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29 /**
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30 * The next node.
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31 */
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32 public Node next;
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34 /**
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35 * The previous node.
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36 */
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37 public Node prev;
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38
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39 /**
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40 * Constructs a virtual node.
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41 * @deprecated This class is for internal use only.
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42 * @param e the edge
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43 * @param i the row
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44 */
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45 public this(Edge e, int i) {
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46 super(e);
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47 incoming.add(e);
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48 outgoing.add(e);
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49 width = e.width;
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50 height = 0;
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51 rank = i;
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52 setPadding(new Insets(0, e.padding, 0, e.padding));
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53 }
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54
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55 /**
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56 * Constructor.
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57 * @param o object
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58 * @param parent subgraph
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59 */
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60 public this(Object o, Subgraph parent) {
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61 super(o, parent);
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62 }
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63
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64 /**
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65 * Returns the index of {@link #prev}.
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66 * @return median
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67 */
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68 public double medianIncoming() {
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69 return prev.index;
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70 }
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72 /**
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73 * Returns the index of {@link #next}.
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74 * @return outgoing
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75 */
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76 public double medianOutgoing() {
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77 return next.index;
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78 }
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79
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80 /**
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81 * For internal use only. Returns the original edge weight multiplied by the omega value
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82 * for the this node and the node on the previous rank.
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83 * @return the weighted weight, or omega
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84 */
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85 public int omega() {
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86 Edge e = cast(Edge)data;
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87 if (e.source.rank + 1 < rank && rank < e.target.rank)
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88 return 8 * e.weight;
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89 return 2 * e.weight;
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90 }
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91
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92 /**
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93 * @see java.lang.Object#toString()
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94 */
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95 public String toString() {
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96 if (auto edge = cast(Edge)data )
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97 return Format("VN[{}]({})", (edge.vNodes.indexOf(this) + 1) //$NON-NLS-1$
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98 , data ); //$NON-NLS-1$ //$NON-NLS-2$
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99 return super.toString();
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100 }
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101
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102 }