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1 /*
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2 CCmI Editor - A Collaborative Cross-Modal Diagram Editing Tool
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3
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4 Copyright (C) 2011 Queen Mary University of London (http://ccmi.eecs.qmul.ac.uk/)
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5
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6 This program is free software: you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation, either version 3 of the License, or
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9 (at your option) any later version.
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10
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11 This program is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 */
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19 package uk.ac.qmul.eecs.ccmi.diagrammodel;
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20
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21 /**
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22 * The diagramModeltreeNode placed in a node subtree representing an edge connecting
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23 * that node with another node.
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24 */
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25 @SuppressWarnings("serial")
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26 public class EdgeReferenceMutableTreeNode extends DiagramTreeNode {
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27 EdgeReferenceMutableTreeNode(DiagramEdge edge, DiagramNode node){
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28 super();
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29 this.edge = edge;
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30 this.node = node;
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31 }
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32
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33 @Override
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34 public String toString(){
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35 final String and = " and ";
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36 StringBuilder b = new StringBuilder();
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37 b.append("to ");
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38 for(int i=0;i<edge.getNodesNum();i++){
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39 DiagramNode n = edge.getNodeAt(i);
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40 if(!n.equals(node))
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41 b.append(n.getName()).append(and);
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42 }
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43 // remove the last " and "
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44 b.delete(b.length()-and.length(), b.length());
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45 b.append(", via ");
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46 b.append(edge.getName());
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47 super.setUserObject(b.toString());
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48 return super.toString();
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49 }
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50
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51 @Override
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52 public String getName(){
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53 return toString();
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54 }
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55
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56 /**
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57 * Return a String representing this object for this tree node in a way more suitable
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58 * for a text to speech synthesizer to read, than toString().
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59 * @return a String suitable for text to speech synthesis
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60 */
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61 @Override
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62 public String spokenText(){
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63 toString();
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64 return super.spokenText();
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65 }
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66
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67 /**
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68 * Returns the diagram edge that this tree node represents inside the node subtree
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69 * @return a reference to the actual edge
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70 */
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71 public DiagramEdge getEdge(){
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72 return edge;
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73 }
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74
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75 /**
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76 * Returns the node containing this tree node in its subtree. Notice that
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77 * diagram nodes are DiagrammodelTreeNode as well.
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78 * @return a reference to the diagram node
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79 */
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80 public DiagramNode getNode(){
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81 return node;
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82 }
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83
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84 private DiagramEdge edge;
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85 private DiagramNode node;
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86 }
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