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