eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/e4/handler/MoveTaxonHandlerE4.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.navigation.navigator.e4.handler;
  11
  12 import java.util.ArrayList;
  13 import java.util.HashSet;
  14 import java.util.Iterator;
  15 import java.util.List;
  16 import java.util.Set;
  17 import java.util.UUID;
  18
  19 import javax.inject.Named;
  20
  21 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  22 import org.eclipse.e4.ui.services.IServiceConstants;
  23 import org.eclipse.jface.dialogs.MessageDialog;
  24 import org.eclipse.jface.viewers.TreeSelection;
  25 import org.eclipse.swt.widgets.Shell;
  26
  27 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  28 import eu.etaxonomy.cdm.model.common.CdmBase;
  29 import eu.etaxonomy.cdm.model.taxon.Classification;
  30 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  31 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  32 import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
  33 import eu.etaxonomy.taxeditor.navigation.l10n.Messages;
  34 import eu.etaxonomy.taxeditor.navigation.navigator.TreeNodeDropAdapter.MovingType;
  35 import eu.etaxonomy.taxeditor.navigation.navigator.e4.TaxonNavigatorE4;
  36 import eu.etaxonomy.taxeditor.navigation.navigator.operation.MoveTaxonOperation;
  37 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  38 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  39 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  40 import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
  41
  42 /**
  43  *
  44  * @author pplitzner
  45  * @date 05.09.2017
  46  *
  47  */
  48 public class MoveTaxonHandlerE4 implements IPostOperationEnabled {
  49
  50         private TaxonNode parentTaxonNode;
  51
  52     public void execute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection,
  53             @Named(IServiceConstants.ACTIVE_SHELL)Shell shell,
  54             @Named(IServiceConstants.ACTIVE_PART)MPart activePart) {
  55
  56         TaxonNavigatorE4 taxonNavigator = (TaxonNavigatorE4) activePart.getObject();
  57
  58                 Iterator<?> selectionIterator = selection.iterator();
  59                 Set<TaxonNode> taxonNodes = new HashSet<TaxonNode>();
  60                 TaxonNode taxonNode= null;
  61                 Set<UUID> taxonNodeUUIDs = new HashSet<UUID>();
  62                 // do not show the current selection
  63                 List<UUID> excludeTaxa = new ArrayList<UUID>();
  64
  65                 while (selectionIterator.hasNext()){
  66                         Object object = selectionIterator.next();
  67                         if(object instanceof TaxonNode){
  68                             taxonNode = HibernateProxyHelper.deproxy(object,TaxonNode.class);
  69                                 taxonNodes.add(taxonNode);
  70                                 taxonNodeUUIDs.add(taxonNode.getUuid());
  71                                 excludeTaxa.add(taxonNode.getTaxon().getUuid());
  72                         }
  73                 }
  74
  75
  76                 if (taxonNodes.size() >= 1){
  77                     Classification classification = taxonNodes.iterator().next().getClassification();
  78                         MovingType moveToNewParent = MovingType.CHILD;
  79                         if (PreferencesUtil.getSortNodesNaturally()){
  80                                 if(!MessageDialog.openQuestion(null, Messages.MoveTaxonHandler_TARGET_NODE, Messages.MoveTaxonHandler_TARGET_NODE_MESSAGE)){
  81                                         moveToNewParent = MovingType.BEHIND;
  82                                 }
  83                                 parentTaxonNode = TaxonNodeSelectionDialog.select(shell, taxonNavigator.getConversationHolder(), Messages.MoveTaxonHandler_CHOOSE_ABOVE, excludeTaxa, null, classification);
  84                         }else{
  85                                 parentTaxonNode = TaxonNodeSelectionDialog.select(shell, taxonNavigator.getConversationHolder(), Messages.MoveTaxonHandler_CHOOSE_PARENT, excludeTaxa, null, classification);
  86                         }
  87                         if(parentTaxonNode != null){
  88                                 if(NavigationUtil.isDirty(parentTaxonNode)){
  89                                         MessageDialog.openWarning(shell, Messages.MoveTaxonHandler_UNSAVED_PARENT, Messages.MoveTaxonHandler_UNSAVED_PARENT_MESSAGE);
  90                                         return;
  91                                 }
  92
  93                                 AbstractPostOperation<?> operation = new MoveTaxonOperation
  94                                                 (Messages.MoveTaxonHandler_MOVE_TO_PARENT, NavigationUtil.getUndoContext(), taxonNodeUUIDs, parentTaxonNode, taxonNavigator, taxonNavigator, moveToNewParent); //$NON-NLS-1$
  95                                 AbstractUtility.executeOperation(operation);
  96                                 taxonNavigator.refresh();
  97
  98                         }
  99                 }
 100         }
 101
 102         /** {@inheritDoc} */
 103         @Override
 104     public boolean postOperation(CdmBase objectAffectedByOperation) {
 105                 return true;
 106         }
 107
 108         @Override
 109     public boolean onComplete() {
 110                 return false;
 111         }
 112
 113 }