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         /* (non-Javadoc)
  59          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  60          */
  61         @Override
  62         public Object execute(ExecutionEvent event) throws ExecutionException {
  63
  64 //              ConversationHolder conversation = CdmStore.createConversation();
  65                 editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(Page.NAME);
  66                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  67                 Taxon actualTaxon= null;
  68                 if(selection instanceof IStructuredSelection){
  69
  70                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  71
  72                         List<DescriptionElementBase> elements = new ArrayList<DescriptionElementBase>();
  73
  74                         for(Object element : structuredSelection.toArray()){
  75                                 if(element instanceof DescriptionElementBase){
  76                                         UUID uuid = ((DescriptionElementBase) element).getUuid();
  77
  78                                         elements.add(CdmStore.getService(IDescriptionService.class).loadDescriptionElement(uuid, null));
  79                                 } else if(element instanceof FeatureNodeContainer){
  80                                         for(DescriptionElementBase de : ((FeatureNodeContainer)element).getDescriptionElements()){
  81                                                 elements.add(
  82                                                                 CdmStore.getService(IDescriptionService.class).loadDescriptionElement(de.getUuid(), null)
  83                                                         );
  84                                         }
  85                                 }
  86                         }
  87
  88                         if(elements.size() == 0){
  89                                 return null;
  90                         }
  91                         DescriptionBase description = elements.get(0).getInDescription();
  92                         List<UUID> excludeTaxa = new ArrayList<UUID>();
  93                         if (description.isInstanceOf(TaxonDescription.class)){
  94                                 TaxonDescription taxonDescription = HibernateProxyHelper.deproxy(description, TaxonDescription.class);
  95                                 actualTaxon = taxonDescription.getTaxon();
  96                                 excludeTaxa.add(actualTaxon.getUuid());
  97                         }
  98                         Classification classification = null;
  99                         if (actualTaxon != null){
 100                             if (!actualTaxon.getTaxonNodes().isEmpty() && actualTaxon.getTaxonNodes().size() ==1){
 101                                 classification = actualTaxon.getTaxonNodes().iterator().next().getClassification();
 102                             }
 103                         }
 104                         TaxonNode newAcceptedTaxonNode = TaxonNodeSelectionDialog.select(HandlerUtil.getActiveShell(event),
 105                                         editor.getConversationHolder(),
 106                                         "Choose the accepted taxon",
 107                                         excludeTaxa,
 108                                         null,classification
 109                                         );
 110                         if (newAcceptedTaxonNode != null){
 111                         Taxon targetTaxon = newAcceptedTaxonNode.getTaxon();
 112
 113                         if(targetTaxon == null){
 114                                 // canceled
 115                                 return null;
 116                         }
 117                         newAcceptedTaxonNodeUuid = newAcceptedTaxonNode.getUuid();
 118
 119                         String moveMessage = String.format("Elements moved from %s", EditorUtil.getActiveMultiPageTaxonEditor().getTaxon());
 120
 121                         try {
 122                                 AbstractPostOperation operation = new MoveDescriptionElementsOperation(
 123                                                 event.getCommand().getName(), EditorUtil.getUndoContext(),
 124                                                 targetTaxon.getUuid(), moveMessage, elements, false, this);
 125
 126                                 EditorUtil.executeOperation(operation);
 127
 128                                 //CdmStore.getService(ITaxonService.class).saveOrUpdate(targetTaxon);
 129
 130                         } catch (NotDefinedException e) {
 131                                 MessagingUtils.error(getClass(), e);
 132                         }
 133                         }
 134                 }
 135
 136                 return null;
 137         }
 138
 139         /* (non-Javadoc)
 140          * @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
 141          */
 142         /** {@inheritDoc} */
 143         @Override
 144     public boolean postOperation(CdmBase objectAffectedByOperation) {
 145
 146                 editor.getConversationHolder().bind();
 147                 editor.getConversationHolder().commit(true);
 148                 Display.getDefault().asyncExec(new Runnable(){
 149
 150             @Override
 151             public void run() {
 152                                 //AbstractUtility.close(editor.getMultiPageTaxonEditor());
 153
 154                                 try {
 155                                         MultiPageTaxonEditor possibleOpenEditor = (MultiPageTaxonEditor) EditorUtil.findEditorByTaxonNodeUuid(newAcceptedTaxonNodeUuid);
 156                                         if(possibleOpenEditor != null){
 157                                                 AbstractUtility.close(possibleOpenEditor);
 158                                         }
 159                                         EditorUtil.openTaxonNode(newAcceptedTaxonNodeUuid);
 160                                 } catch (PartInitException e) {
 161                                         MessagingUtils.error(this.getClass(), e);
 162                                         throw new RuntimeException(e);
 163                                 } catch (Exception e) {
 164                                         MessagingUtils.warningDialog("Could not create Taxon", this, e.getMessage());
 165                                 }
 166                         }
 167
 168                 });
 169
 170
 171                 return true;
 172         }
 173
 174         @Override
 175         public boolean onComplete() {
 176                 // TODO Auto-generated method stub
 177                 return false;
 178         }
 179
 180 }