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.equation;
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14 import org.eclipse.ui.plugin.AbstractUIPlugin;
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15 import org.osgi.framework.BundleContext;
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16 import org.simantics.db.ReadGraph;
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17 import org.simantics.db.common.request.ReadRequest;
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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.ui.SimanticsUI;
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24 * The activator class controls the plug-in life cycle
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26 public class Activator extends AbstractUIPlugin {
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29 public static final String PLUGIN_ID = "org.simantics.equation";
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31 // The shared instance
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32 private static Activator plugin;
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37 public Activator() {
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42 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
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44 public void start(BundleContext context) throws Exception {
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45 super.start(context);
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48 SimanticsUI.getSessionContextProvider().addContextChangedListener(new ISessionContextChangedListener() {
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50 public void sessionContextChanged(SessionContextChangedEvent event) {
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51 ISessionContext ctx = event.getNewValue();
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53 ctx.getSession().asyncRequest(new ReadRequest() {
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55 public void run(ReadGraph g) {
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56 EquationResources.initialize(g);
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60 EquationResources.deinitialize();
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66 SimanticsUI.getSession().syncRequest(new ReadRequest() {
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68 public void run(ReadGraph g) {
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69 EquationResources.initialize(g);
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72 } 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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