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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.navigation.navigator.e4.handler;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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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.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.dialogs.MessageDialog;
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import org.eclipse.jface.viewers.TreeSelection;
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import org.eclipse.swt.widgets.Shell;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
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import eu.etaxonomy.taxeditor.navigation.l10n.Messages;
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import eu.etaxonomy.taxeditor.navigation.navigator.TreeNodeDropAdapter.MovingType;
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import eu.etaxonomy.taxeditor.navigation.navigator.e4.TaxonNavigatorE4;
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import eu.etaxonomy.taxeditor.navigation.navigator.operation.MoveTaxonOperation;
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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.preference.PreferencesUtil;
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import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
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/**
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*
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* @author pplitzner
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* @date 05.09.2017
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*
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*/
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public class MoveTaxonHandlerE4 implements IPostOperationEnabled {
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private TaxonNode parentTaxonNode;
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@Execute
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public void execute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection,
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@Named(IServiceConstants.ACTIVE_SHELL)Shell shell,
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@Named(IServiceConstants.ACTIVE_PART)MPart activePart) {
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TaxonNavigatorE4 taxonNavigator = (TaxonNavigatorE4) activePart.getObject();
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Iterator<?> selectionIterator = selection.iterator();
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Set<TaxonNode> taxonNodes = new HashSet<TaxonNode>();
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TaxonNode taxonNode= null;
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Set<UUID> taxonNodeUUIDs = new HashSet<UUID>();
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// do not show the current selection
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List<UUID> excludeTaxa = new ArrayList<UUID>();
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while (selectionIterator.hasNext()){
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Object object = selectionIterator.next();
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if(object instanceof TaxonNode){
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taxonNode = HibernateProxyHelper.deproxy(object,TaxonNode.class);
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taxonNodes.add(taxonNode);
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taxonNodeUUIDs.add(taxonNode.getUuid());
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excludeTaxa.add(taxonNode.getTaxon().getUuid());
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}
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}
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if (taxonNodes.size() >= 1){
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Classification classification = taxonNodes.iterator().next().getClassification();
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MovingType moveToNewParent = MovingType.CHILD;
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if (PreferencesUtil.getSortNodesNaturally()){
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if(!MessageDialog.openQuestion(null, Messages.MoveTaxonHandler_TARGET_NODE, Messages.MoveTaxonHandler_TARGET_NODE_MESSAGE)){
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moveToNewParent = MovingType.BEHIND;
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}
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parentTaxonNode = TaxonNodeSelectionDialog.select(shell, taxonNavigator.getConversationHolder(), Messages.MoveTaxonHandler_CHOOSE_ABOVE, excludeTaxa, null, classification);
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}else{
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parentTaxonNode = TaxonNodeSelectionDialog.select(shell, taxonNavigator.getConversationHolder(), Messages.MoveTaxonHandler_CHOOSE_PARENT, excludeTaxa, null, classification);
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}
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if(parentTaxonNode != null){
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if(NavigationUtil.isDirty(parentTaxonNode)){
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MessageDialog.openWarning(shell, Messages.MoveTaxonHandler_UNSAVED_PARENT, Messages.MoveTaxonHandler_UNSAVED_PARENT_MESSAGE);
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return;
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}
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AbstractPostOperation<?> operation = new MoveTaxonOperation
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(Messages.MoveTaxonHandler_MOVE_TO_PARENT, NavigationUtil.getUndoContext(), taxonNodeUUIDs, parentTaxonNode, taxonNavigator, taxonNavigator, moveToNewParent); //$NON-NLS-1$
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AbstractUtility.executeOperation(operation);
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taxonNavigator.refresh();
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}
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}
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}
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@CanExecute
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private boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection, MHandledMenuItem menuItem){
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boolean canExecute = false;
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menuItem.setVisible(canExecute);
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canExecute = selection.getFirstElement() instanceof TaxonNode;
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return canExecute;
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}
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/** {@inheritDoc} */
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@Override
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public boolean postOperation(CdmBase objectAffectedByOperation) {
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return true;
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}
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@Override
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public boolean onComplete() {
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return false;
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}
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}
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