eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/handler/defaultHandler/DefaultOpenTaxonEditorHandler.java

   1 package eu.etaxonomy.taxeditor.editor.handler.defaultHandler;
   2 import java.util.UUID;
   3
   4 import org.eclipse.core.commands.AbstractHandler;
   5 import org.eclipse.core.commands.ExecutionEvent;
   6 import org.eclipse.core.commands.ExecutionException;
   7 import org.eclipse.core.commands.ParameterType;
   8 import org.eclipse.core.commands.common.NotDefinedException;
   9 import org.eclipse.jface.viewers.ISelection;
  10 import org.eclipse.jface.viewers.IStructuredSelection;
  11 import org.eclipse.ui.PartInitException;
  12 import org.eclipse.ui.handlers.HandlerUtil;
  13
  14 import eu.etaxonomy.cdm.api.service.ITaxonNodeService;
  15 import eu.etaxonomy.cdm.api.service.ITaxonService;
  16 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  17 import eu.etaxonomy.cdm.model.taxon.Taxon;
  18 import eu.etaxonomy.cdm.model.taxon.TaxonBase;
  19 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  20 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  21 import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
  22 import eu.etaxonomy.taxeditor.handler.defaultHandler.DefaultOpenClassificationWizardHandler;
  23 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  24 import eu.etaxonomy.taxeditor.store.CdmStore;
  25
  26
  27 public class DefaultOpenTaxonEditorHandler extends AbstractHandler {
  28
  29     @Override
  30     public Object execute(ExecutionEvent event) throws ExecutionException {
  31         String commandId = event.getCommand().getId();
  32         String uuidParameterId = commandId+".uuid";
  33         //check if uuid parameter is set
  34         if(event.getParameter(uuidParameterId)!=null){
  35             Object object = event.getObjectParameterForExecution(uuidParameterId);
  36             ParameterType parameterType;
  37             try {
  38                 parameterType = event.getCommand().getParameterType(uuidParameterId);
  39                 if(parameterType.isCompatible(object)){
  40                     TaxonNode taxonNode = CdmStore.getService(ITaxonNodeService.class).load((UUID) object);
  41                     if(taxonNode!=null){
  42                         openTaxonEditor(event, taxonNode.getTaxon().getUuid());
  43                     }
  44                     else {
  45                         TaxonBase taxon = CdmStore.getService(ITaxonService.class).load((UUID) object);
  46                         openTaxonEditor(event, taxon.getUuid());
  47                     }
  48                 }
  49             } catch (NotDefinedException e) {
  50                 MessagingUtils.error(DefaultOpenClassificationWizardHandler.class, "Error while opening classification!", e);
  51             }
  52         }
  53         //if not try current selection
  54         else{
  55             ISelection selection = HandlerUtil.getCurrentSelection(event);
  56
  57             if(selection instanceof IStructuredSelection){
  58                 final IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  59
  60                 Taxon taxon = null;
  61                 Object firstElement = structuredSelection.getFirstElement();
  62                 if(firstElement instanceof TaxonBase){
  63                     openTaxonEditor(event, (HibernateProxyHelper.deproxy(firstElement, TaxonBase.class).getUuid()));
  64                 }
  65                 else if(firstElement instanceof TaxonNode){
  66                     taxon = (HibernateProxyHelper.deproxy(firstElement, TaxonNode.class)).getTaxon();
  67                     openTaxonEditor(event, taxon.getUuid());
  68                 }
  69             }
  70         }
  71         return null;
  72     }
  73
  74     private void openTaxonEditor(ExecutionEvent event, UUID taxonUuid) {
  75         TaxonEditorInput input = TaxonEditorInput.NewInstanceFromTaxonBase(taxonUuid);
  76         try {
  77             EditorUtil.open(input);
  78         } catch (PartInitException e) {
  79             MessagingUtils.error(DefaultOpenTaxonEditorHandler.class, "Could not open taxon editor for taxon "+input.getTaxon(), e);
  80         }
  81     }
  82
  83
  84 }