Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.workbench / src / org / simantics / workbench / internal / contributions / GraphRequestStatusContribution.java

diff --git a/bundles/org.simantics.workbench/src/org/simantics/workbench/internal/contributions/GraphRequestStatusContribution.java b/bundles/org.simantics.workbench/src/org/simantics/workbench/internal/contributions/GraphRequestStatusContribution.java
new file mode 100644 (file)
index 0000000..2652062
--- /dev/null
+++ b/bundles/org.simantics.workbench/src/org/simantics/workbench/internal/contributions/GraphRequestStatusContribution.java
@@ -0,0 +1,70 @@
+/*******************************************************************************\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.workbench.internal.contributions;\r
+\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.eclipse.swt.widgets.Control;\r
+import org.eclipse.ui.IWorkbenchWindow;\r
+import org.eclipse.ui.menus.WorkbenchWindowControlContribution;\r
+import org.simantics.db.management.ISessionContext;\r
+import org.simantics.db.management.ISessionContextChangedListener;\r
+import org.simantics.db.management.ISessionContextProvider;\r
+import org.simantics.db.management.SessionContextChangedEvent;\r
+import org.simantics.ui.SimanticsUI;\r
+import org.simantics.workbench.internal.Activator;\r
+\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class GraphRequestStatusContribution extends WorkbenchWindowControlContribution implements ISessionContextChangedListener {\r
+\r
+    GraphRequestStatusTrim  trim;\r
+    ISessionContextProvider contextProvider;\r
+\r
+    @Override\r
+    public String getId() {\r
+        return "org.simantics.workbench.db.monitor";\r
+    }\r
+\r
+    @Override\r
+    protected Control createControl(Composite parent) {\r
+        IWorkbenchWindow window = getWorkbenchWindow();\r
+        contextProvider = SimanticsUI.getSessionContextProvider(window);\r
+        contextProvider.addContextChangedListener(this);\r
+\r
+        trim = new GraphRequestStatusTrim(parent, Activator.getDefault().getPreferenceStore());\r
+        ISessionContext ctx = SimanticsUI.getSessionContext();\r
+        if (ctx != null) {\r
+            trim.attachToSession(ctx.getSession());\r
+        }\r
+        return trim;\r
+    }\r
+\r
+    @Override\r
+    public void dispose() {\r
+        contextProvider.removeContextChangedListener(this);\r
+        trim = null;\r
+        super.dispose();\r
+    }\r
+\r
+    @Override\r
+    public void sessionContextChanged(SessionContextChangedEvent event) {\r
+//        System.out.println("session changed for '" + event.getHandle() + "' from '" + event.getOldValue() + "' to '" + event.getNewValue() + "'");\r
+        GraphRequestStatusTrim trim = this.trim;\r
+        if (trim != null) {\r
+            ISessionContext ctx = event.getNewValue();\r
+            trim.attachToSession((ctx != null) ? ctx.getSession() : null);\r
+        }\r
+    }\r
+\r
+}\r