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.Messages;
  27 import eu.etaxonomy.taxeditor.editor.Page;
  28 import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
  29 import eu.etaxonomy.taxeditor.editor.name.operation.DeleteMisapplicationOperation;
  30 import eu.etaxonomy.taxeditor.editor.name.operation.DeleteSynonymOperation;
  31 import eu.etaxonomy.taxeditor.editor.name.operation.DeleteTaxonOperation;
  32 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  33 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  34 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  35 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  36 import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
  37
  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         /** {@inheritDoc} */
  47         @Override
  48     public Object execute(ExecutionEvent event) throws ExecutionException {
  49                 editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(Page.NAME);
  50
  51                 Object selectedElement = EditorUtil.getSelection(event).getFirstElement();
  52
  53                 doExecute(event, editor, selectedElement);
  54
  55                 return null;
  56         }
  57
  58         protected void doExecute(ExecutionEvent event, TaxonNameEditor editor, Object selectedElement) {
  59                 AbstractPostOperation operation = null;
  60                 String commandName = null;
  61
  62                 try {
  63                         commandName = event.getCommand().getName();
  64                 } catch (NotDefinedException e) {
  65                         MessagingUtils.error(getClass(), e);
  66                 }
  67
  68                 // synonym
  69                 if(selectedElement instanceof Synonym){
  70                         operation = new DeleteSynonymOperation(commandName, editor.getUndoContext(), editor.getTaxon(), (Synonym) selectedElement, editor);
  71                 }
  72                 // misapplication
  73                 else if(selectedElement instanceof Taxon && ((Taxon) selectedElement).isMisapplication()){
  74                         operation = new DeleteMisapplicationOperation(commandName, editor.getUndoContext(), editor
  75                                         .getTaxon(), (Taxon) selectedElement, editor);
  76                 }
  77                 else if (selectedElement instanceof Taxon){
  78                         //TODO: how to get the actual classification
  79                         if(! MessageDialog.openConfirm(HandlerUtil.getActiveShell(event), Messages.DeleteTaxonBaseHandler_CONFIRM_DELETION, Messages.DeleteTaxonBaseHandler_REALLY_DELETE_TAXON)){
  80                                 return ;
  81                         }
  82
  83                         IWorkbenchPage activePage = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
  84
  85                         operation = new DeleteTaxonOperation(commandName,
  86                                 editor.getUndoContext(),
  87                                 (Taxon) selectedElement,
  88                                 new TaxonDeletionConfigurator(),
  89                                 null,
  90                                 activePage,
  91                                 this,
  92                                 editor,
  93                                 (ICdmEntitySessionEnabled)editor.getEditorInput());
  94                         //editor.dispose();
  95
  96                 }
  97                 else {
  98                         throw new IllegalArgumentException(Messages.DeleteTaxonBaseHandler_ELEMENT_MUST_BE_SYNONYM_MISAPP_CONCEPT);
  99                 }
 100
 101                 AbstractUtility.executeOperation(operation);
 102         }
 103
 104         @Override
 105         public boolean postOperation(CdmBase objectAffectedByOperation) {
 106                 Display.getDefault().asyncExec(new Runnable(){
 107
 108                         @Override
 109             public void run() {
 110                                 AbstractUtility.close(editor.getMultiPageTaxonEditor());
 111                         }
 112                 });
 113                 return true;
 114         }
 115
 116         @Override
 117         public boolean onComplete() {
 118                 // TODO Auto-generated method stub
 119                 return false;
 120         }
 121
 122 }