1 /*******************************************************************************
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2 * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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9 * VTT Technical Research Centre of Finland - initial API and implementation
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10 *******************************************************************************/
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11 package org.simantics.processeditor;
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13 import org.eclipse.ui.plugin.AbstractUIPlugin;
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14 import org.osgi.framework.BundleContext;
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15 import org.simantics.db.Graph;
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16 import org.simantics.db.GraphRequestAdapter;
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17 import org.simantics.db.GraphRequestStatus;
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18 import org.simantics.db.management.ISessionContext;
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19 import org.simantics.db.management.ISessionContextChangedListener;
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20 import org.simantics.db.management.SessionContextChangedEvent;
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21 import org.simantics.proconf.ui.ProConfUI;
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27 * The activator class controls the plug-in life cycle
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29 public class Activator extends AbstractUIPlugin {
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32 public static final String PLUGIN_ID = "fi.vtt.simantics.processeditor";
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34 // The shared instance
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35 private static Activator plugin;
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40 public Activator() {
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45 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
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47 public void start(BundleContext context) throws Exception {
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48 super.start(context);
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50 ProConfUI.getSessionContextProvider().addContextChangedListener(new ISessionContextChangedListener() {
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52 public void sessionContextChanged(SessionContextChangedEvent event) {
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53 ISessionContext ctx = event.getNewValue();
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55 ctx.getSession().asyncRead(new GraphRequestAdapter() {
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56 public GraphRequestStatus perform(Graph g) throws Exception {
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57 ProcessResource.initialize(g);
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58 return GraphRequestStatus.transactionComplete();
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62 ProcessResource.deinitialize();
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67 ProConfUI.getSession().asyncRead(new GraphRequestAdapter() {
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69 public GraphRequestStatus perform(Graph g) throws Exception {
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70 ProcessResource.initialize(g);
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71 return GraphRequestStatus.transactionComplete();
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74 } catch (Exception e) {
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81 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
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83 public void stop(BundleContext context) throws Exception {
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85 super.stop(context);
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89 * Returns the shared instance
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91 * @return the shared instance
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93 public static Activator getDefault() {
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