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 import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
  36
  37 /**
  38  * <p>DeleteTaxonBaseHandler class.</p>
  39  *
  40  * @author n.hoffmann
  41  * @created 21.04.2009
  42  * @version 1.0
  43  */
  44 public class DeleteTaxonBaseHandler extends AbstractHandler implements IHandler, IPostOperationEnabled {
  45
  46         TaxonNameEditor editor;
  47         /* (non-Javadoc)
  48          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  49          */
  50         /** {@inheritDoc} */
  51         @Override
  52     public Object execute(ExecutionEvent event) throws ExecutionException {
  53                 editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(Page.NAME);
  54
  55                 Object selectedElement = EditorUtil.getSelection(event).getFirstElement();
  56
  57                 doExecute(event, editor, selectedElement);
  58
  59                 return null;
  60         }
  61
  62         /**
  63          * @param editor
  64          * @param selectedElement
  65          * @param operation
  66          * @param commandName
  67          */
  68         protected void doExecute(ExecutionEvent event, TaxonNameEditor editor, Object selectedElement) {
  69                 AbstractPostOperation operation = null;
  70                 String commandName = null;
  71
  72                 try {
  73                         commandName = event.getCommand().getName();
  74                 } catch (NotDefinedException e) {
  75                         MessagingUtils.error(getClass(), e);
  76                 }
  77
  78                 // synonym
  79                 if(selectedElement instanceof Synonym){
  80                         operation = new DeleteSynonymOperation(commandName, editor.getUndoContext(), editor.getTaxon(), (Synonym) selectedElement, editor);
  81                 }
  82                 // misapplication
  83                 else if(selectedElement instanceof Taxon && ((Taxon) selectedElement).isMisapplication()){
  84                         operation = new DeleteMisapplicationOperation(commandName, editor.getUndoContext(), editor
  85                                         .getTaxon(), (Taxon) selectedElement, editor);
  86                 }
  87                 else if (selectedElement instanceof Taxon){
  88                         //TODO: how to get the actual classification
  89                         if(! MessageDialog.openConfirm(HandlerUtil.getActiveShell(event), "Confirm Deletion", "Are you sure you want to delete the selected taxon?")){
  90                                 return ;
  91                         }
  92
  93                         IWorkbenchPage activePage = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
  94
  95                         operation = new DeleteTaxonOperation(commandName,
  96                                 editor.getUndoContext(),
  97                                 (Taxon) selectedElement,
  98                                 new TaxonDeletionConfigurator(),
  99                                 null,
 100                                 activePage,
 101                                 this,
 102                                 editor,
 103                                 (ICdmEntitySessionEnabled)editor.getEditorInput());
 104                         //editor.dispose();
 105
 106                 }
 107                 else {
 108                         throw new IllegalArgumentException("Element has to be Synonym, Misapplication or Concept");
 109                 }
 110
 111                 AbstractUtility.executeOperation(operation);
 112         }
 113
 114         @Override
 115         public boolean postOperation(CdmBase objectAffectedByOperation) {
 116                 Display.getDefault().asyncExec(new Runnable(){
 117
 118                         @Override
 119             public void run() {
 120                                 AbstractUtility.close(editor.getMultiPageTaxonEditor());
 121                         }
 122                 });
 123                 return true;
 124         }
 125
 126         @Override
 127         public boolean onComplete() {
 128                 // TODO Auto-generated method stub
 129                 return false;
 130         }
 131
 132 }