1 /*******************************************************************************
2 * Copyright (c) 2007, 2012 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.browsing.ui.swt.widgets;
14 import org.eclipse.jface.viewers.ISelection;
15 import org.simantics.browsing.ui.swt.widgets.impl.ReadFactory;
16 import org.simantics.db.management.ISessionContext;
17 import org.simantics.db.procedure.Listener;
18 import org.simantics.utils.ReflectionUtils;
19 import org.simantics.utils.ui.ISelectionUtils;
22 public class IdentityFactory<T> implements ReadFactory<T, T> {
24 final Class<?> inputClass;
26 public IdentityFactory() {
27 inputClass = ReflectionUtils.getSingleParameterType(getClass());
30 @SuppressWarnings("unchecked")
32 public void listen(ISessionContext context, Object input, Listener<T> listener) {
34 final Object inputContents = ISelectionUtils.filterSingleSelection((ISelection)input, inputClass);
35 listener.execute((T)inputContents);