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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.descriptive.e4.handler;
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import java.util.UUID;
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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.services.IServiceConstants;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import eu.etaxonomy.cdm.api.service.ITermService;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.description.DescriptionBase;
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import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
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import eu.etaxonomy.cdm.model.description.Feature;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.view.descriptive.e4.FactualDataPartE4;
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import eu.etaxonomy.taxeditor.editor.view.descriptive.operation.CreateDescriptionElementOperation;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
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import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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/**
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*
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* @author pplitzner
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* @date 15.08.2017
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*
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*/
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public class CreateDescriptionElementHandlerE4 {
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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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MHandledMenuItem menuItem,
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UISynchronize sync) {
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String commandId = menuItem.getCommand().getElementId();
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UUID uuid = (UUID) menuItem.getTransientData().get(commandId+".feature.uuid");
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Feature feature = HibernateProxyHelper.deproxy(CdmStore.getService(ITermService.class).load(uuid), Feature.class);
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FactualDataPartE4 factualDataPart = (FactualDataPartE4) activePart.getObject();
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DescriptionBase description = null;
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Object object = selection.getFirstElement();
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if(object instanceof FeatureNodeContainer){
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description = ((FeatureNodeContainer) object).getDescription();
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}
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else if(object instanceof DescriptionElementBase){
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DescriptionElementBase elementBase = HibernateProxyHelper.deproxy(object, DescriptionElementBase.class);
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description = elementBase.getInDescription();
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}
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else if (object instanceof DescriptionBase) {
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description = HibernateProxyHelper.deproxy(object, DescriptionBase.class);
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} else {
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MessagingUtils.error(getClass(), new IllegalArgumentException("Could not determine the taxon description")); //$NON-NLS-1$
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return;
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}
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AbstractPostOperation operation = operationCreationInstance(menuItem.getLocalizedLabel(), feature, description,
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factualDataPart);
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// TODO use undo context specific to 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(MHandledMenuItem menuItem,
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@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection){
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boolean canExecute = false;
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canExecute = selection.size()==1
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&&
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(selection.getFirstElement() instanceof DescriptionBase
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|| selection.getFirstElement() instanceof DescriptionElementBase
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|| selection.getFirstElement() instanceof FeatureNodeContainer);
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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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* Added to make the Class more generic and limit the amount of code changes required
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* @param label
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* @param event
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* @param taxon
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* @param description
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* @param postOperationEnabled
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* @return
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*/
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protected AbstractPostOperation operationCreationInstance(String label, Feature feature,
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DescriptionBase<?> description, IPostOperationEnabled postOperationEnabled) {
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return new CreateDescriptionElementOperation(label, EditorUtil.getUndoContext(), description, feature,
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postOperationEnabled);
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}
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}
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