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.DescriptionBase;
  24 import eu.etaxonomy.cdm.model.description.TaxonDescription;
  25 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  26 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  27 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  28 import eu.etaxonomy.taxeditor.editor.Page;
  29 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  30 import eu.etaxonomy.taxeditor.editor.view.descriptive.operation.MoveDescriptionToOtherTaxonOperation;
  31 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  32 import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
  33 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  34 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  35 import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
  36 import eu.etaxonomy.taxeditor.store.CdmStore;
  37 import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
  38
  39 /**
  40  * <p>ChangeAcceptedTaxonToSynonymHandler class.</p>
  41  *
  42  * @author a.kohlbecker
  43  * @created Okt. 11, 2013
  44  * @version 1.0
  45  *
  46  */
  47 public class MoveDescriptionToOtherTaxonHandler extends AbstractHandler
  48                 implements IPostOperationEnabled {
  49         private static final Logger logger = Logger
  50                         .getLogger(MoveDescriptionToOtherTaxonHandler.class);
  51         private MoveDescriptionToOtherTaxonOperation operation;
  52
  53         private UUID newAcceptedTaxonNodeUuid;
  54         private TaxonNameEditor editor;
  55
  56         /* (non-Javadoc)
  57          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  58          */
  59         /** {@inheritDoc} */
  60         @Override
  61     public Object execute(ExecutionEvent event) throws ExecutionException {
  62
  63                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  64
  65                 if(selection instanceof IStructuredSelection){
  66
  67                         List<TaxonDescription> descriptions = new ArrayList<TaxonDescription>();
  68
  69                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  70
  71                         for(Object element : structuredSelection.toArray()){
  72                                 UUID uuid = null;
  73                                 if (element instanceof FeatureNodeContainer){
  74                                         uuid = ((FeatureNodeContainer)element).getDescription().getUuid();
  75                                 }       else if (element instanceof DescriptionBase){
  76                                         uuid = ((DescriptionBase)element).getUuid();
  77                                 }
  78
  79                                 if (uuid != null){
  80                                         descriptions.add((TaxonDescription) CdmStore.getService(IDescriptionService.class).load(uuid, null));
  81                                 }
  82                         }
  83                         if(descriptions.size() == 0){
  84                                 return null;
  85                         }
  86
  87                         // Choose the target taxon
  88                         List<UUID> excludeTaxa = new ArrayList<UUID>();
  89                         editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(Page.NAME);
  90                         excludeTaxa.add(descriptions.get(0).getTaxon().getUuid());
  91                         TaxonNode newAcceptedTaxonNode = TaxonNodeSelectionDialog.select(HandlerUtil.getActiveShell(event),
  92                                         editor.getConversationHolder(),
  93                                         "Choose the accepted taxon",
  94                                         excludeTaxa,
  95                                         null,
  96                                         null);
  97
  98                         if (newAcceptedTaxonNode == null) {
  99                                 return null;
 100                         }
 101
 102                         newAcceptedTaxonNodeUuid = newAcceptedTaxonNode.getUuid();
 103
 104                         try {
 105                                 for(TaxonDescription description : descriptions){
 106                                         operation = new MoveDescriptionToOtherTaxonOperation(event.getCommand().getName(),
 107                                                                                         editor.getUndoContext(),
 108                                                                                         description,
 109                                                                                         newAcceptedTaxonNode,
 110                                                                                         this,
 111                                                                                         editor,
 112                                                                                         (ICdmEntitySessionEnabled)editor.getEditorInput());
 113                                         AbstractUtility.executeOperation(operation);
 114                                 }
 115
 116                         } catch (NotDefinedException e) {
 117                                 logger.warn("Command name not set");
 118                         }
 119                 }
 120
 121                 return null;
 122
 123         }
 124
 125         /* (non-Javadoc)
 126          * @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
 127          */
 128         /** {@inheritDoc} */
 129         @Override
 130     public boolean postOperation(CdmBase objectAffectedByOperation) {
 131                 Display.getDefault().asyncExec(new Runnable(){
 132
 133                         @Override
 134             public void run() {
 135                                 AbstractUtility.close(editor.getMultiPageTaxonEditor());
 136
 137                                 try {
 138                                         MultiPageTaxonEditor possibleOpenEditor = (MultiPageTaxonEditor) EditorUtil.findEditorByTaxonNodeUuid(newAcceptedTaxonNodeUuid);
 139                                         if(possibleOpenEditor != null){
 140                                                 AbstractUtility.close(possibleOpenEditor);
 141                                         }
 142                                         EditorUtil.openTaxonNode(newAcceptedTaxonNodeUuid);
 143                                 } catch (PartInitException e) {
 144                                         MessagingUtils.error(this.getClass(), e);
 145                                         throw new RuntimeException(e);
 146                                 } catch (Exception e) {
 147                                         MessagingUtils.warningDialog("Could not create Taxon", this, e.getMessage());
 148                                 }
 149                         }
 150
 151                 });
 152
 153
 154                 return true;
 155         }
 156
 157         /**
 158          * <p>onComplete</p>
 159          *
 160          * @return a boolean.
 161          */
 162         @Override
 163     public boolean onComplete() {
 164                 // TODO Auto-generated method stub
 165                 return false;
 166         }
 167 }