--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2012 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.browsing.ui.swt.widgets;\r
+\r
+import org.eclipse.jface.viewers.ISelection;\r
+import org.simantics.browsing.ui.swt.widgets.impl.ReadFactory;\r
+import org.simantics.db.management.ISessionContext;\r
+import org.simantics.db.procedure.Listener;\r
+import org.simantics.utils.ReflectionUtils;\r
+import org.simantics.utils.ui.ISelectionUtils;\r
+\r
+\r
+public class IdentityFactory<T> implements ReadFactory<T, T> {\r
+\r
+ final Class<?> inputClass;\r
+ \r
+ public IdentityFactory() {\r
+ inputClass = ReflectionUtils.getSingleParameterType(getClass());\r
+ }\r
+ \r
+ @SuppressWarnings("unchecked")\r
+ @Override\r
+ public void listen(ISessionContext context, Object input, Listener<T> listener) {\r
+ \r
+ final Object inputContents = ISelectionUtils.filterSingleSelection((ISelection)input, inputClass);\r
+ listener.execute((T)inputContents);\r
+ \r
+ }\r
+\r
+ \r
+}\r