eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/name/handler/DeleteTaxonBaseHandler.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.editor.name.handler;
  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.IHandler;
  15 import org.eclipse.core.commands.common.NotDefinedException;
  16 import org.eclipse.jface.dialogs.MessageDialog;
  17 import org.eclipse.swt.widgets.Display;
  18 import org.eclipse.ui.IWorkbenchPage;
  19 import org.eclipse.ui.handlers.HandlerUtil;
  20
  21 import eu.etaxonomy.cdm.api.service.config.TaxonDeletionConfigurator;
  22 import eu.etaxonomy.cdm.model.common.CdmBase;
  23 import eu.etaxonomy.cdm.model.taxon.Synonym;
  24 import eu.etaxonomy.cdm.model.taxon.Taxon;
  25 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  26 import eu.etaxonomy.taxeditor.editor.Page;
  27 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  28 import eu.etaxonomy.taxeditor.editor.name.operation.DeleteMisapplicationOperation;
  29 import eu.etaxonomy.taxeditor.editor.name.operation.DeleteSynonymOperation;
  30 import eu.etaxonomy.taxeditor.editor.name.operation.DeleteTaxonOperation;
  31 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  32 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  33 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  34 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  35
  36 /**
  37  * <p>DeleteTaxonBaseHandler class.</p>
  38  *
  39  * @author n.hoffmann
  40  * @created 21.04.2009
  41  * @version 1.0
  42  */
  43 public class DeleteTaxonBaseHandler extends AbstractHandler implements IHandler, IPostOperationEnabled {
  44
  45         TaxonNameEditor editor;
  46         /* (non-Javadoc)
  47          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  48          */
  49         /** {@inheritDoc} */
  50         @Override
  51     public Object execute(ExecutionEvent event) throws ExecutionException {
  52                 editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(Page.NAME);
  53
  54                 Object selectedElement = EditorUtil.getSelection(event).getFirstElement();
  55
  56                 doExecute(event, editor, selectedElement);
  57
  58                 return null;
  59         }
  60
  61         /**
  62          * @param editor
  63          * @param selectedElement
  64          * @param operation
  65          * @param commandName
  66          */
  67         protected void doExecute(ExecutionEvent event, TaxonNameEditor editor, Object selectedElement) {
  68                 AbstractPostOperation operation = null;
  69                 String commandName = null;
  70
  71                 try {
  72                         commandName = event.getCommand().getName();
  73                 } catch (NotDefinedException e) {
  74                         MessagingUtils.error(getClass(), e);
  75                 }
  76
  77                 // synonym
  78                 if(selectedElement instanceof Synonym){
  79                         operation = new DeleteSynonymOperation(commandName, editor.getUndoContext(), editor.getTaxon(), (Synonym) selectedElement, editor);
  80                 }
  81                 // misapplication
  82                 else if(selectedElement instanceof Taxon && ((Taxon) selectedElement).isMisapplication()){
  83                         operation = new DeleteMisapplicationOperation(commandName, editor.getUndoContext(), editor
  84                                         .getTaxon(), (Taxon) selectedElement, editor);
  85                 }
  86                 else if (selectedElement instanceof Taxon){
  87                         //TODO: how to get the actual classification
  88                         if(! MessageDialog.openConfirm(HandlerUtil.getActiveShell(event), "Confirm Deletion", "Are you sure you want to delete the selected taxon?")){
  89                                 return ;
  90                         }
  91
  92                         IWorkbenchPage activePage = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
  93
  94                         operation = new DeleteTaxonOperation(commandName, editor.getUndoContext(),(Taxon) selectedElement, new TaxonDeletionConfigurator(), null, activePage, this, editor);
  95                         //editor.dispose();
  96
  97                 }
  98                 else {
  99                         throw new IllegalArgumentException("Element has to be Synonym, Misapplication or Concept");
 100                 }
 101
 102                 AbstractUtility.executeOperation(operation);
 103         }
 104
 105         @Override
 106         public boolean postOperation(CdmBase objectAffectedByOperation) {
 107                 Display.getDefault().asyncExec(new Runnable(){
 108
 109                         @Override
 110             public void run() {
 111                                 AbstractUtility.close(editor.getMultiPageTaxonEditor());
 112                         }
 113                 });
 114                 return true;
 115         }
 116
 117         @Override
 118         public boolean onComplete() {
 119                 // TODO Auto-generated method stub
 120                 return false;
 121         }
 122
 123 }