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

   1 /**
   2  *
   3  */
   4 package eu.etaxonomy.taxeditor.editor.view.descriptive.handler;
   5
   6 import java.util.ArrayList;
   7 import java.util.List;
   8 import java.util.UUID;
   9
  10 import org.apache.log4j.Logger;
  11 import org.eclipse.core.commands.AbstractHandler;
  12 import org.eclipse.core.commands.ExecutionEvent;
  13 import org.eclipse.core.commands.ExecutionException;
  14 import org.eclipse.core.commands.common.NotDefinedException;
  15 import org.eclipse.jface.viewers.ISelection;
  16 import org.eclipse.jface.viewers.IStructuredSelection;
  17 import org.eclipse.swt.widgets.Display;
  18 import org.eclipse.ui.PartInitException;
  19 import org.eclipse.ui.handlers.HandlerUtil;
  20
  21 import eu.etaxonomy.cdm.api.service.IDescriptionService;
  22 import eu.etaxonomy.cdm.model.common.CdmBase;
  23 import eu.etaxonomy.cdm.model.description.TaxonDescription;
  24 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  25 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  26 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  27 import eu.etaxonomy.taxeditor.editor.Page;
  28 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  29 import eu.etaxonomy.taxeditor.editor.view.descriptive.operation.MoveDescriptionToOtherTaxonOperation;
  30 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  31 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  32 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  33 import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
  34 import eu.etaxonomy.taxeditor.store.CdmStore;
  35 import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
  36
  37 /**
  38  * <p>ChangeAcceptedTaxonToSynonymHandler class.</p>
  39  *
  40  * @author a.kohlbecker
  41  * @created Okt. 11, 2013
  42  * @version 1.0
  43  *
  44  */
  45 public class MoveDescriptionToOtherTaxonHandler extends AbstractHandler
  46                 implements IPostOperationEnabled {
  47         private static final Logger logger = Logger
  48                         .getLogger(MoveDescriptionToOtherTaxonHandler.class);
  49         private MoveDescriptionToOtherTaxonOperation operation;
  50
  51         private UUID newAcceptedTaxonNodeUuid;
  52         private TaxonNameEditor editor;
  53
  54         /* (non-Javadoc)
  55          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  56          */
  57         /** {@inheritDoc} */
  58         @Override
  59     public Object execute(ExecutionEvent event) throws ExecutionException {
  60
  61                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  62
  63                 if(selection instanceof IStructuredSelection){
  64
  65                         List<TaxonDescription> descriptions = new ArrayList<TaxonDescription>();
  66
  67                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  68
  69                         for(Object element : structuredSelection.toArray()){
  70                                 if (element instanceof TaxonDescription){
  71                                         UUID uuid = ((TaxonDescription)element).getUuid();
  72                                         descriptions.add((TaxonDescription) CdmStore.getService(IDescriptionService.class).load(uuid, null));
  73                                 }
  74                         }
  75                         if(descriptions.size() == 0){
  76                                 return null;
  77                         }
  78
  79                         // Choose the target taxon
  80                         List<UUID> excludeTaxa = new ArrayList<UUID>();
  81                         editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(Page.NAME);
  82                         excludeTaxa.add(descriptions.get(0).getTaxon().getUuid());
  83                         TaxonNode newAcceptedTaxonNode = TaxonNodeSelectionDialog.select(HandlerUtil.getActiveShell(event),
  84                                         editor.getConversationHolder(),
  85                                         "Choose the accepted taxon",
  86                                         excludeTaxa,
  87                                         null,
  88                                         null);
  89
  90                         if (newAcceptedTaxonNode == null) {
  91                                 return null;
  92                         }
  93
  94                         newAcceptedTaxonNodeUuid = newAcceptedTaxonNode.getUuid();
  95
  96                         try {
  97                                 for(TaxonDescription description : descriptions){
  98                                         operation = new MoveDescriptionToOtherTaxonOperation(event.getCommand().getName(),
  99                                                                                         editor.getUndoContext(),
 100                                                                                         description,
 101                                                                                         newAcceptedTaxonNode,
 102                                                                                         this,
 103                                                                                         editor,
 104                                                                                         (ICdmEntitySessionEnabled)editor.getEditorInput());
 105                                         AbstractUtility.executeOperation(operation);
 106                                 }
 107
 108                         } catch (NotDefinedException e) {
 109                                 logger.warn("Command name not set");
 110                         }
 111                 }
 112
 113                 return null;
 114
 115         }
 116
 117         /* (non-Javadoc)
 118          * @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
 119          */
 120         /** {@inheritDoc} */
 121         @Override
 122     public boolean postOperation(CdmBase objectAffectedByOperation) {
 123                 Display.getDefault().asyncExec(new Runnable(){
 124
 125                         @Override
 126             public void run() {
 127                                 AbstractUtility.close(editor.getMultiPageTaxonEditor());
 128
 129                                 try {
 130                                         MultiPageTaxonEditor possibleOpenEditor = (MultiPageTaxonEditor) EditorUtil.findEditorByTaxonNodeUuid(newAcceptedTaxonNodeUuid);
 131                                         if(possibleOpenEditor != null){
 132                                                 AbstractUtility.close(possibleOpenEditor);
 133                                         }
 134                                         EditorUtil.openTaxonNode(newAcceptedTaxonNodeUuid);
 135                                 } catch (PartInitException e) {
 136                                         MessagingUtils.error(this.getClass(), e);
 137                                         throw new RuntimeException(e);
 138                                 } catch (Exception e) {
 139                                         MessagingUtils.warningDialog("Could not create Taxon", this, e.getMessage());
 140                                 }
 141                         }
 142
 143                 });
 144
 145
 146                 return true;
 147         }
 148
 149         /**
 150          * <p>onComplete</p>
 151          *
 152          * @return a boolean.
 153          */
 154         @Override
 155     public boolean onComplete() {
 156                 // TODO Auto-generated method stub
 157                 return false;
 158         }
 159 }