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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.view.concept.e4.handler;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Set;
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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.core.di.annotations.Optional;
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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.model.application.ui.menu.MMenuItem;
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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.TaxonRelationship;
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import eu.etaxonomy.taxeditor.editor.name.e4.TaxonNameEditorE4;
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import eu.etaxonomy.taxeditor.editor.view.concept.e4.ConceptViewPartE4;
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import eu.etaxonomy.taxeditor.editor.view.concept.operation.DeleteConceptRelationOperation;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
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import eu.etaxonomy.taxeditor.workbench.WorkbenchUtility;
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/**
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*
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* @author pplitzner
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* @date 21.08.2017
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*
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*/
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public class DeleteConceptRelationHandlerE4 {
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@Execute
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public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart activePart,
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@Optional@Named(IServiceConstants.ACTIVE_SELECTION) IStructuredSelection selection,
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MMenuItem menuItem,
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UISynchronize sync) {
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TaxonNameEditorE4 editor = null;
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ConceptViewPartE4 conceptView = (ConceptViewPartE4) activePart.getObject();
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Object e4WrappedPart = WorkbenchUtility.getE4WrappedPart(conceptView.getSelectionProvidingPart());
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if(e4WrappedPart instanceof TaxonNameEditorE4){
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editor = (TaxonNameEditorE4) e4WrappedPart;
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Set<TaxonRelationship> relations = new HashSet<TaxonRelationship>();
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for (Iterator iterator = selection.iterator(); iterator.hasNext();){
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Object object = iterator.next();
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if(object instanceof TaxonRelationship){
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relations.add((TaxonRelationship) object);
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}
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}
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//editor should not be null because this is already checked in canExecute
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AbstractPostOperation operation = new DeleteConceptRelationOperation(menuItem.getLocalizedLabel(),
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editor.getUndoContext(), editor.getTaxon(), relations, conceptView);
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AbstractUtility.executeOperation(operation, sync);
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}
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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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canExecute = selection != null && !selection.isEmpty();
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menuItem.setVisible(canExecute);
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return canExecute;
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}
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}
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