org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/Activator.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package org.simantics.proconf.g3d;\r
  12 \r
  13 import org.eclipse.ui.plugin.AbstractUIPlugin;\r
  14 import org.osgi.framework.BundleContext;\r
  15 import org.simantics.db.Graph;\r
  16 import org.simantics.db.GraphRequestAdapter;\r
  17 import org.simantics.db.GraphRequestStatus;\r
  18 import org.simantics.db.management.ISessionContext;\r
  19 import org.simantics.db.management.ISessionContextChangedListener;\r
  20 import org.simantics.db.management.SessionContextChangedEvent;\r
  21 import org.simantics.proconf.ui.ProConfUI;\r
  22 \r
  23 /**\r
  24  * The activator class controls the plug-in life cycle\r
  25  */\r
  26 public class Activator extends AbstractUIPlugin {\r
  27 \r
  28         // The plug-in ID\r
  29         public static final String PLUGIN_ID = "org.simantics.proconf.g3d";\r
  30 \r
  31         // The shared instance\r
  32         private static Activator plugin;\r
  33         \r
  34         /**\r
  35          * The constructor\r
  36          */\r
  37         public Activator() {\r
  38         }\r
  39 \r
  40         /*\r
  41          * (non-Javadoc)\r
  42          * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)\r
  43          */\r
  44         public void start(BundleContext context) throws Exception {\r
  45                 super.start(context);\r
  46                 plugin = this;\r
  47                 ProConfUI.getSessionContextProvider().addContextChangedListener(new ISessionContextChangedListener() {\r
  48                         @Override\r
  49                         public void sessionContextChanged(SessionContextChangedEvent event) {\r
  50                                 ISessionContext ctx = event.getNewValue();\r
  51                                 if (ctx != null) {\r
  52                                         ctx.getSession().asyncRead(new GraphRequestAdapter() {\r
  53                                                 public GraphRequestStatus perform(Graph g) throws Exception {\r
  54                                                         Resources.initialize(g);\r
  55                                                         return GraphRequestStatus.transactionComplete();\r
  56                                                 };\r
  57                                         });\r
  58                                 } else {\r
  59                                         Resources.deinitialize();\r
  60                                 }\r
  61                         }\r
  62                 });\r
  63                 try {\r
  64                         ProConfUI.getSession().asyncRead(new GraphRequestAdapter() {\r
  65                                 @Override\r
  66                                 public GraphRequestStatus perform(Graph g) throws Exception {\r
  67                                         Resources.initialize(g);\r
  68                                         return GraphRequestStatus.transactionComplete();\r
  69                                 }\r
  70                         });\r
  71                 } catch (Exception e) {\r
  72                         \r
  73                 }\r
  74         }\r
  75 \r
  76         /*\r
  77          * (non-Javadoc)\r
  78          * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)\r
  79          */\r
  80         public void stop(BundleContext context) throws Exception {\r
  81                 plugin = null;\r
  82                 super.stop(context);\r
  83         }\r
  84 \r
  85         /**\r
  86          * Returns the shared instance\r
  87          *\r
  88          * @return the shared instance\r
  89          */\r
  90         public static Activator getDefault() {\r
  91                 return plugin;\r
  92         }\r
  93 \r
  94 }\r