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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.gui;
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20
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21 import uk.ac.qmul.eecs.ccmi.diagrammodel.CollectionEvent;
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22 import uk.ac.qmul.eecs.ccmi.diagrammodel.CollectionListener;
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23 import uk.ac.qmul.eecs.ccmi.diagrammodel.ElementChangedEvent;
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24 import uk.ac.qmul.eecs.ccmi.haptics.HapticsFactory;
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25
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26 /**
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27 * A CollectionListener that updates the haptic scene upon insertion deletion and
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28 * movement of nodes and edges in the diagram.
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29 *
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30 *
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31 */
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32 public class HapticTrigger implements CollectionListener {
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33
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34 @Override
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35 public void elementInserted(CollectionEvent evt) {
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36 DiagramEventSource source = (DiagramEventSource)evt.getSource();
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37 if(evt.getDiagramElement() instanceof Node){
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38 Node n = (Node)evt.getDiagramElement();
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39 HapticsFactory.getInstance().addNode(n.getBounds().getCenterX(), n.getBounds().getCenterY(), System.identityHashCode(n),source.getDiagramName());
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40 }else{//edge
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41 Edge e = (Edge)evt.getDiagramElement();
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42 Edge.PointRepresentation pr = e.getPointRepresentation();
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43 HapticsFactory.getInstance().addEdge(System.identityHashCode(e),pr.xs,pr.ys,pr.adjMatrix,pr.nodeStart,e.getStipplePattern(),e.getNameLine(),source.getDiagramName());
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44 }
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45 }
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46
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47 @Override
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48 public void elementTakenOut(CollectionEvent evt) {
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49 DiagramEventSource source = (DiagramEventSource)evt.getSource();
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50 if(evt.getDiagramElement() instanceof Node){
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51 Node n = (Node)evt.getDiagramElement();
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52 HapticsFactory.getInstance().removeNode(System.identityHashCode(n),source.getDiagramName());
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53 }else{//edge
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54 Edge e = (Edge)evt.getDiagramElement();
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55 HapticsFactory.getInstance().removeEdge(System.identityHashCode(e),source.getDiagramName());
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56 }
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57 }
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58
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59 @Override
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60 public void elementChanged(ElementChangedEvent evt) {
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61 DiagramEventSource source = (DiagramEventSource)evt.getSource();
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62 if("stop_move".equals(evt.getChangeType()) || "remove_node".equals(evt.getChangeType())){
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63 if(evt.getDiagramElement() instanceof Edge){
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64 Edge e = (Edge)evt.getDiagramElement();
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65 Edge.PointRepresentation pr = e.getPointRepresentation();
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66 HapticsFactory.getInstance().updateEdge(
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67 System.identityHashCode(e),
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68 pr.xs,
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69 pr.ys,
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70 pr.adjMatrix,
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71 pr.nodeStart,
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72 e.getNameLine(),
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73 source.getDiagramName());
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74 }else{
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75 Node n = (Node)evt.getDiagramElement();
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76 HapticsFactory.getInstance().moveNode(
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77 n.getBounds().getCenterX(),
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78 n.getBounds().getCenterY(),
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79 System.identityHashCode(n),
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80 source.getDiagramName()
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81 );
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82 }
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83 }
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84 }
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85
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86 }
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