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.example.chassis;
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14 import org.eclipse.swt.widgets.Composite;
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15 import org.eclipse.ui.part.ViewPart;
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16 import org.simantics.g2d.canvas.ICanvasContext;
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17 import org.simantics.g2d.canvas.impl.CanvasContext;
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18 import org.simantics.g2d.chassis.ICanvasChassis;
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19 import org.simantics.g2d.chassis.IChassisListener;
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20 import org.simantics.g2d.chassis.SWTChassis;
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21 import org.simantics.g2d.example.TestCanvas;
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22 import org.simantics.utils.threads.AWTThread;
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23 import org.simantics.utils.threads.IThreadWorkQueue;
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24 import org.simantics.utils.threads.ThreadUtils;
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26 public class ViewPartExample extends ViewPart {
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30 public void createPartControl(Composite parent) {
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31 c = new SWTChassis(parent, 0);
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34 IThreadWorkQueue thread = AWTThread.getThreadAccess();
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35 CanvasContext canvasContext = TestCanvas.createTestCanvas(thread);
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37 c.setCanvasContext(canvasContext);
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39 c.addChassisListener(new IChassisListener() {
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41 public void chassisClosed(ICanvasChassis sender) {
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42 // Prevent deadlock while disposing which using syncExec would result in.
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43 ThreadUtils.asyncExec(c.getCanvasContext().getThreadAccess(), new Runnable() {
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46 ICanvasContext ctx = c.getCanvasContext();
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47 c.getAWTComponent().setCanvasContext(null);
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56 public void setFocus() {
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