Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.equation / src / org / simantics / equation / Activator.java

diff --git a/bundles/org.simantics.equation/src/org/simantics/equation/Activator.java b/bundles/org.simantics.equation/src/org/simantics/equation/Activator.java
new file mode 100644 (file)
index 0000000..7f56713
--- /dev/null
+++ b/bundles/org.simantics.equation/src/org/simantics/equation/Activator.java
@@ -0,0 +1,97 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.equation;\r
+\r
+import org.eclipse.ui.plugin.AbstractUIPlugin;\r
+import org.osgi.framework.BundleContext;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.management.ISessionContext;\r
+import org.simantics.db.management.ISessionContextChangedListener;\r
+import org.simantics.db.management.SessionContextChangedEvent;\r
+import org.simantics.ui.SimanticsUI;\r
+\r
+/**\r
+ * The activator class controls the plug-in life cycle\r
+ */\r
+public class Activator extends AbstractUIPlugin {\r
+\r
+       // The plug-in ID\r
+       public static final String PLUGIN_ID = "org.simantics.equation";\r
+\r
+       // The shared instance\r
+       private static Activator plugin;\r
+       \r
+       /**\r
+        * The constructor\r
+        */\r
+       public Activator() {\r
+       }\r
+\r
+       /*\r
+        * (non-Javadoc)\r
+        * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)\r
+        */\r
+       public void start(BundleContext context) throws Exception {\r
+               super.start(context);\r
+               plugin = this;\r
+               \r
+               SimanticsUI.getSessionContextProvider().addContextChangedListener(new ISessionContextChangedListener() {\r
+                       @Override\r
+                       public void sessionContextChanged(SessionContextChangedEvent event) {\r
+                               ISessionContext ctx = event.getNewValue();\r
+                               if (ctx != null) {\r
+                                       ctx.getSession().asyncRequest(new ReadRequest() {\r
+                                           @Override\r
+                                           public void run(ReadGraph g) {\r
+                                               EquationResources.initialize(g);\r
+                                           };\r
+                                       });\r
+                               } else {\r
+                                       EquationResources.deinitialize();\r
+                               }\r
+                       }\r
+               });\r
+               \r
+               try {\r
+                       SimanticsUI.getSession().syncRequest(new ReadRequest() {\r
+                           @Override\r
+                           public void run(ReadGraph g) {\r
+                               EquationResources.initialize(g);\r
+                           }\r
+                       });\r
+               } catch (Exception e) {\r
+\r
+               }\r
+               \r
+               \r
+       }\r
+\r
+       /*\r
+        * (non-Javadoc)\r
+        * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)\r
+        */\r
+       public void stop(BundleContext context) throws Exception {\r
+               plugin = null;\r
+               super.stop(context);\r
+       }\r
+\r
+       /**\r
+        * Returns the shared instance\r
+        *\r
+        * @return the shared instance\r
+        */\r
+       public static Activator getDefault() {\r
+               return plugin;\r
+       }\r
+\r
+}\r