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/**
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* Copyright (C) 2007 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.editor.name.e4.handler;
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import javax.inject.Named;
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import org.eclipse.e4.core.di.annotations.CanExecute;
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import org.eclipse.e4.core.di.annotations.Execute;
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import org.eclipse.e4.ui.di.UISynchronize;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
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import org.eclipse.e4.ui.services.IServiceConstants;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.taxeditor.editor.name.e4.TaxonNameEditorE4;
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import eu.etaxonomy.taxeditor.editor.name.handler.NameEditorMenuPropertyTester;
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import eu.etaxonomy.taxeditor.editor.name.operation.ChangeConceptToSynonymOperation;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
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/**
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 *
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 * @author pplitzner
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 * @since Aug 28, 2017
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 *
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 */
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public class ChangeToSynonymHandlerE4 {
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    @Execute
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    public void execute(@Named(IServiceConstants.ACTIVE_PART)MPart activePart,
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            @Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
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            MHandledMenuItem menuItem,
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            UISynchronize sync) {
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        TaxonNameEditorE4 editor = (TaxonNameEditorE4) activePart.getObject();
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		Taxon concept  = (Taxon) selection.getFirstElement();
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		AbstractPostOperation operation;
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		operation = new ChangeConceptToSynonymOperation(menuItem.getLocalizedLabel(),
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        		editor.getUndoContext(), editor.getTaxon(), concept, null, editor);
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        AbstractUtility.executeOperation(operation, sync);
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	}
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    @CanExecute
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    public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
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            MHandledMenuItem menuItem){
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        boolean canExecute = false;
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        Object selectedElement = selection.getFirstElement();
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        canExecute =
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                !NameEditorMenuPropertyTester.isAccepted(selectedElement)
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                && !NameEditorMenuPropertyTester.isSynonym(selectedElement);
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        return canExecute;
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    }
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}