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.Classification;
  26 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  27 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  28 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  29 import eu.etaxonomy.taxeditor.editor.Page;
  30 import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
  31 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  32 import eu.etaxonomy.taxeditor.editor.view.descriptive.operation.MoveDescriptionToOtherTaxonOperation;
  33 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  34 import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
  35 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  36 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  37 import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
  38 import eu.etaxonomy.taxeditor.store.CdmStore;
  39 import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
  40
  41 /**
  42  * <p>ChangeAcceptedTaxonToSynonymHandler class.</p>
  43  *
  44  * @author a.kohlbecker
  45  * @created Okt. 11, 2013
  46  * @version 1.0
  47  *
  48  */
  49 public class MoveDescriptionToOtherTaxonHandler extends AbstractHandler
  50                 implements IPostOperationEnabled {
  51         private static final Logger logger = Logger
  52                         .getLogger(MoveDescriptionToOtherTaxonHandler.class);
  53         private MoveDescriptionToOtherTaxonOperation operation;
  54
  55         private UUID newAcceptedTaxonNodeUuid;
  56         private TaxonNameEditor editor;
  57
  58         /* (non-Javadoc)
  59          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  60          */
  61         /** {@inheritDoc} */
  62         @Override
  63     public Object execute(ExecutionEvent event) throws ExecutionException {
  64
  65                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  66
  67                 if(selection instanceof IStructuredSelection){
  68
  69                         List<TaxonDescription> descriptions = new ArrayList<TaxonDescription>();
  70
  71                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  72
  73                         for(Object element : structuredSelection.toArray()){
  74                                 UUID uuid = null;
  75                                 if (element instanceof FeatureNodeContainer){
  76                                         uuid = ((FeatureNodeContainer)element).getDescription().getUuid();
  77                                 }       else if (element instanceof DescriptionBase){
  78                                         uuid = ((DescriptionBase)element).getUuid();
  79                                 }
  80
  81                                 if (uuid != null){
  82                                         descriptions.add((TaxonDescription) CdmStore.getService(IDescriptionService.class).load(uuid, null));
  83                                 }
  84                         }
  85                         if(descriptions.size() == 0){
  86                                 return null;
  87                         }
  88
  89                         // Choose the target taxon
  90                         List<UUID> excludeTaxa = new ArrayList<UUID>();
  91                         editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(Page.NAME);
  92                         excludeTaxa.add(descriptions.get(0).getTaxon().getUuid());
  93
  94                         //get current taxon node
  95                         TaxonNode node = null;
  96                         Classification classification = null;
  97                         MultiPageTaxonEditor taxonEditor = EditorUtil.getActiveMultiPageTaxonEditor();
  98             if(taxonEditor!=null){
  99                 node = ((TaxonEditorInput) taxonEditor.getEditorInput()).getTaxonNode();
 100                 classification = node.getClassification();
 101             }
 102                         TaxonNode newAcceptedTaxonNode = TaxonNodeSelectionDialog.select(HandlerUtil.getActiveShell(event),
 103                                         editor.getConversationHolder(),
 104                                         "Choose the accepted taxon",
 105                                         excludeTaxa,
 106                                         node,
 107                                         classification);
 108
 109                         if (newAcceptedTaxonNode == null) {
 110                                 return null;
 111                         }
 112
 113                         newAcceptedTaxonNodeUuid = newAcceptedTaxonNode.getUuid();
 114
 115                         try {
 116                                 for(TaxonDescription description : descriptions){
 117                                         operation = new MoveDescriptionToOtherTaxonOperation(event.getCommand().getName(),
 118                                                                                         editor.getUndoContext(),
 119                                                                                         description,
 120                                                                                         newAcceptedTaxonNode,
 121                                                                                         this,
 122                                                                                         editor,
 123                                                                                         (ICdmEntitySessionEnabled)editor.getEditorInput());
 124                                         AbstractUtility.executeOperation(operation);
 125                                 }
 126
 127                         } catch (NotDefinedException e) {
 128                                 logger.warn("Command name not set");
 129                         }
 130                 }
 131
 132                 return null;
 133
 134         }
 135
 136         /* (non-Javadoc)
 137          * @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
 138          */
 139         /** {@inheritDoc} */
 140         @Override
 141     public boolean postOperation(CdmBase objectAffectedByOperation) {
 142                 Display.getDefault().asyncExec(new Runnable(){
 143
 144                         @Override
 145             public void run() {
 146                                 AbstractUtility.close(editor.getMultiPageTaxonEditor());
 147
 148                                 try {
 149                                         MultiPageTaxonEditor possibleOpenEditor = (MultiPageTaxonEditor) EditorUtil.findEditorByTaxonNodeUuid(newAcceptedTaxonNodeUuid);
 150                                         if(possibleOpenEditor != null){
 151                                                 AbstractUtility.close(possibleOpenEditor);
 152                                         }
 153                                         EditorUtil.openTaxonNode(newAcceptedTaxonNodeUuid);
 154                                 } catch (PartInitException e) {
 155                                         MessagingUtils.error(this.getClass(), e);
 156                                         throw new RuntimeException(e);
 157                                 } catch (Exception e) {
 158                                         MessagingUtils.warningDialog("Could not create Taxon", this, e.getMessage());
 159                                 }
 160                         }
 161
 162                 });
 163
 164
 165                 return true;
 166         }
 167
 168         /**
 169          * <p>onComplete</p>
 170          *
 171          * @return a boolean.
 172          */
 173         @Override
 174     public boolean onComplete() {
 175                 // TODO Auto-generated method stub
 176                 return false;
 177         }
 178 }