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