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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 import java.util.EventObject;
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22
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23 /**
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24 * An object representing a collection event. Collection events happen when a Diagram
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25 * Element is either inserted or removed from the DiagramModel via the CollectionModel.
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26 *
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27 */
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28 @SuppressWarnings("serial")
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29 public class CollectionEvent extends EventObject {
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30
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31 /**
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32 *
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33 * @param source the source of the event
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34 * @param element the diagram element that has been added or removed from the collection
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35 */
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36 public CollectionEvent(Object source, DiagramElement element) {
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37 super(source);
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38 this.element = element;
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39 }
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40
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41 /**
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42 *
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43 * @return the diagram element whose addition or removal from the collection
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44 * triggered this event.
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45 */
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46 public DiagramElement getDiagramElement(){
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47 return element;
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48 }
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49
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50 private DiagramElement element;
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51
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52 }
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