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.g2d.canvas.impl;
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14 import java.lang.reflect.Method;
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16 import org.simantics.g2d.canvas.IContentContext;
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17 import org.simantics.utils.datastructures.ListenerList;
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18 import org.simantics.utils.threads.CurrentThread;
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19 import org.simantics.utils.threads.IThreadWorkQueue;
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20 import org.simantics.utils.threads.SyncListenerList;
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24 * @See {@link IContentContext}
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26 * @author Toni Kalajainen
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28 public class PaintableContextImpl implements IContentContext {
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31 public void setDirty() {
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35 protected ListenerList<IContentListener> list =
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36 new ListenerList<IContentListener>(IContentListener.class);
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37 protected SyncListenerList<IContentListener> list2 =
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38 new SyncListenerList<IContentListener>(IContentListener.class);
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41 public void addPaintableContextListener(IContentListener listener) {
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45 public void addPaintableContextListener(IContentListener listener, IThreadWorkQueue thread) {
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46 if (thread==CurrentThread.getThreadAccess())
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47 addPaintableContextListener(listener);
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49 list2.add(thread, listener);
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52 public void removePaintableContextListener(IContentListener listener) {
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53 list.remove(listener);
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56 public void removePaintableContextListener(IContentListener listener, IThreadWorkQueue thread) {
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57 if (thread==CurrentThread.getThreadAccess())
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58 addPaintableContextListener(listener);
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60 list2.remove(thread, listener);
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62 private final static Method onDirty = SyncListenerList.getMethod(IContentListener.class, "onDirty");
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63 protected void fireSetDirty() {
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64 for (IContentListener l : list.getListeners())
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66 list2.fireEventSync(onDirty, this);
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68 protected void fireAsyncSetDirty() {
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69 list2.fireEventAsync(onDirty, this);
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