eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/handler/MoveDescriptionElementsHandler.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.editor.view.descriptive.handler;
  12
  13 import java.util.ArrayList;
  14 import java.util.List;
  15 import java.util.UUID;
  16
  17 import org.eclipse.core.commands.AbstractHandler;
  18 import org.eclipse.core.commands.ExecutionEvent;
  19 import org.eclipse.core.commands.ExecutionException;
  20 import org.eclipse.core.commands.common.NotDefinedException;
  21 import org.eclipse.jface.viewers.ISelection;
  22 import org.eclipse.jface.viewers.IStructuredSelection;
  23 import org.eclipse.swt.widgets.Display;
  24 import org.eclipse.ui.PartInitException;
  25 import org.eclipse.ui.handlers.HandlerUtil;
  26
  27 import eu.etaxonomy.cdm.api.service.IDescriptionService;
  28 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  29 import eu.etaxonomy.cdm.model.common.CdmBase;
  30 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  31 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  32 import eu.etaxonomy.cdm.model.description.TaxonDescription;
  33 import eu.etaxonomy.cdm.model.taxon.Classification;
  34 import eu.etaxonomy.cdm.model.taxon.Taxon;
  35 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  36 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  37 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  38 import eu.etaxonomy.taxeditor.editor.Page;
  39 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  40 import eu.etaxonomy.taxeditor.editor.view.descriptive.operation.MoveDescriptionElementsOperation;
  41 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  42 import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
  43 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  44 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  45 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  46 import eu.etaxonomy.taxeditor.store.CdmStore;
  47 import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
  48
  49
  50 /**
  51  * @author n.hoffmann
  52  * @created Feb 8, 2011
  53  * @version 1.0
  54  */
  55 public class MoveDescriptionElementsHandler extends AbstractHandler implements IPostOperationEnabled{
  56         private UUID newAcceptedTaxonNodeUuid;
  57         private TaxonNameEditor editor;
  58
  59         @Override
  60         public Object execute(ExecutionEvent event) throws ExecutionException {
  61
  62 //              ConversationHolder conversation = CdmStore.createConversation();
  63                 editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(Page.NAME);
  64                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  65                 Taxon actualTaxon= null;
  66                 if(selection instanceof IStructuredSelection){
  67
  68                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  69
  70                         List<DescriptionElementBase> elements = new ArrayList<DescriptionElementBase>();
  71
  72                         for(Object element : structuredSelection.toArray()){
  73                                 if(element instanceof DescriptionElementBase){
  74                                         UUID uuid = ((DescriptionElementBase) element).getUuid();
  75
  76                                         elements.add(CdmStore.getService(IDescriptionService.class).loadDescriptionElement(uuid, null));
  77                                 } else if(element instanceof FeatureNodeContainer){
  78                                         for(DescriptionElementBase de : ((FeatureNodeContainer)element).getDescriptionElements()){
  79                                                 elements.add(
  80                                                                 CdmStore.getService(IDescriptionService.class).loadDescriptionElement(de.getUuid(), null)
  81                                                         );
  82                                         }
  83                                 }
  84                         }
  85
  86                         if(elements.size() == 0){
  87                                 return null;
  88                         }
  89                         DescriptionBase description = elements.get(0).getInDescription();
  90                         List<UUID> excludeTaxa = new ArrayList<UUID>();
  91                         if (description!=null && description.isInstanceOf(TaxonDescription.class)){
  92                                 TaxonDescription taxonDescription = HibernateProxyHelper.deproxy(description, TaxonDescription.class);
  93                                 actualTaxon = taxonDescription.getTaxon();
  94                                 excludeTaxa.add(actualTaxon.getUuid());
  95                         }
  96                         Classification classification = null;
  97                         TaxonNode actualNode = null;
  98                         if (actualTaxon != null){
  99                             if (!actualTaxon.getTaxonNodes().isEmpty() && actualTaxon.getTaxonNodes().size() ==1){
 100                                 actualNode = actualTaxon.getTaxonNodes().iterator().next();
 101                                 classification = actualNode.getClassification();
 102
 103                             }
 104                         }
 105                         TaxonNode newAcceptedTaxonNode = TaxonNodeSelectionDialog.select(HandlerUtil.getActiveShell(event),
 106                                         editor.getConversationHolder(),
 107                                         "Choose the accepted taxon",
 108                                         excludeTaxa,
 109                                         null, classification
 110                                         );
 111                         if (newAcceptedTaxonNode != null){
 112                         Taxon targetTaxon = newAcceptedTaxonNode.getTaxon();
 113
 114                         if(targetTaxon == null){
 115                                 // canceled
 116                                 return null;
 117                         }
 118                         newAcceptedTaxonNodeUuid = newAcceptedTaxonNode.getUuid();
 119
 120                         String moveMessage = String.format("Elements moved from %s", EditorUtil.getActiveMultiPageTaxonEditor().getTaxon());
 121
 122                         try {
 123                                 AbstractPostOperation operation = new MoveDescriptionElementsOperation(
 124                                                 event.getCommand().getName(), EditorUtil.getUndoContext(),
 125                                                 targetTaxon.getUuid(), moveMessage, elements, false, this);
 126
 127                                 AbstractUtility.executeOperation(operation);
 128
 129                                 //CdmStore.getService(ITaxonService.class).saveOrUpdate(targetTaxon);
 130
 131                         } catch (NotDefinedException e) {
 132                                 MessagingUtils.error(getClass(), e);
 133                         }
 134                         }
 135                 }
 136
 137                 return null;
 138         }
 139
 140         /** {@inheritDoc} */
 141         @Override
 142     public boolean postOperation(CdmBase objectAffectedByOperation) {
 143
 144                 editor.getConversationHolder().bind();
 145                 editor.getConversationHolder().commit(true);
 146                 Display.getDefault().asyncExec(new Runnable(){
 147
 148             @Override
 149             public void run() {
 150                                 //AbstractUtility.close(editor.getMultiPageTaxonEditor());
 151
 152                                 try {
 153                                         MultiPageTaxonEditor possibleOpenEditor = (MultiPageTaxonEditor) EditorUtil.findEditorByTaxonNodeUuid(newAcceptedTaxonNodeUuid);
 154                                         if(possibleOpenEditor != null){
 155                                                 AbstractUtility.close(possibleOpenEditor);
 156                                         }
 157                                         EditorUtil.openTaxonNode(newAcceptedTaxonNodeUuid);
 158                                 } catch (PartInitException e) {
 159                                         MessagingUtils.error(this.getClass(), e);
 160                                         throw new RuntimeException(e);
 161                                 } catch (Exception e) {
 162                                         MessagingUtils.warningDialog("Could not create Taxon", this, e.getMessage());
 163                                 }
 164                         }
 165
 166                 });
 167
 168
 169                 return true;
 170         }
 171
 172         @Override
 173         public boolean onComplete() {
 174                 return false;
 175         }
 176
 177 }