Bug 33552 Show in>Package Explore not consistent with Show in Package Explorer
1) Show in>PackageExplorer selects the editor input 2) "Show in Package Explorer" selects the method. we should do 2) it reduces tree expansions, and enables the user to quickly initiate an operation on the editor input.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/ShowInPackageViewAction.java
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 * Copyright (c) 2000, 2002 International Business Machines Corp. and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v0.5 
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 * Contributors:
 *     IBM Corporation - initial API and implementation
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package org.eclipse.jdt.ui.actions;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.IElementComparer;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.help.WorkbenchHelp;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.actions.ActionMessages;