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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.workbench;
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import java.lang.reflect.Field;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.ui.internal.E4PartWrapper;
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import org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor;
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import org.eclipse.ui.internal.e4.compatibility.CompatibilityView;
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/**
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* Utility class for e4 workbench related operations
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* @author pplitzner
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* @since Jun 27, 2017
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*
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*/
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public class WorkbenchUtility {
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/**
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* Checks if the activePart is an E4 wrapper for a legacy part and returns
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* that part
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*
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* @param activePart the e4 wrapper
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* @return the wrapped legacy part or <code>null</code>
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*/
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public static Object getE4WrappedPart(Object activePart){
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//FIXME E4 can be removed when E4 migration is complete
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Object object = activePart;
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if(object instanceof MPart){
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object = ((MPart) activePart).getObject();
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}
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try {
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if(object instanceof E4PartWrapper){
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Field field = object.getClass().getDeclaredField("wrappedPart");
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field.setAccessible(true);
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object = field.get(object);
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}
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else if(object instanceof CompatibilityView || object instanceof CompatibilityEditor){
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Field field = object.getClass().getSuperclass().getDeclaredField("wrapped");
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field.setAccessible(true);
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object = field.get(object);
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}
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} catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {
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e.printStackTrace();
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}
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//TODO can this still happen??
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if(object instanceof MPart){
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object =((MPart) object).getObject();
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}
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return object;
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}
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}
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