1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.diagram.symbolcontribution;
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14 import org.simantics.diagram.symbollibrary.IModifiableSymbolGroup;
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15 import org.simantics.diagram.symbollibrary.ISymbolGroupListener;
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16 import org.simantics.utils.datastructures.ListenerList;
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19 * @author Tuukka Lehtonen
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21 public class ModifiableSymbolGroup extends SymbolGroup implements IModifiableSymbolGroup {
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23 ListenerList<ISymbolGroupListener> listeners = new ListenerList<ISymbolGroupListener>(ISymbolGroupListener.class);
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25 public ModifiableSymbolGroup(Object identification, String name) {
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26 super(identification, name);
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29 public ModifiableSymbolGroup(Object identification, String name, String description) {
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30 super(identification, name, description);
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34 public void addListener(ISymbolGroupListener listener) {
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35 listeners.add(listener);
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39 public void removeListener(ISymbolGroupListener listener) {
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40 listeners.remove(listener);
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43 protected void fireListeners() {
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44 for (ISymbolGroupListener listener : listeners.getListeners()) {
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45 listener.itemsChanged(this);
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50 public String toString() {
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51 return super.toString() + "[listener count=" + listeners.size() + "]";
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