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.PartInitException;
  20 import org.eclipse.ui.handlers.HandlerUtil;
  21
  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.MultiPageTaxonEditor;
  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.operation.AbstractPostOperation;
  33 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  34
  35 /**
  36  * <p>DeleteTaxonBaseHandler class.</p>
  37  *
  38  * @author n.hoffmann
  39  * @created 21.04.2009
  40  * @version 1.0
  41  */
  42 public class DeleteTaxonBaseHandler extends AbstractHandler implements IHandler, IPostOperationEnabled {
  43
  44         TaxonNameEditor editor;
  45         /* (non-Javadoc)
  46          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  47          */
  48         /** {@inheritDoc} */
  49         public Object execute(ExecutionEvent event) throws ExecutionException {
  50                 editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(Page.NAME);
  51
  52                 Object selectedElement = EditorUtil.getSelection(event).getFirstElement();
  53
  54                 doExecute(event, editor, selectedElement);
  55
  56                 return null;
  57         }
  58
  59         /**
  60          * @param editor
  61          * @param selectedElement
  62          * @param operation
  63          * @param commandName
  64          */
  65         protected void doExecute(ExecutionEvent event, TaxonNameEditor editor, Object selectedElement) {
  66                 AbstractPostOperation operation = null;
  67                 String commandName = null;
  68
  69                 try {
  70                         commandName = event.getCommand().getName();
  71                 } catch (NotDefinedException e) {
  72                         EditorUtil.error(getClass(), e);
  73                 }
  74
  75                 // synonym
  76                 if(selectedElement instanceof Synonym){
  77                         operation = new DeleteSynonymOperation(commandName, editor.getUndoContext(), editor.getTaxon(), (Synonym) selectedElement, editor);
  78                 }
  79                 // misapplication
  80                 else if(selectedElement instanceof Taxon && ((Taxon) selectedElement).isMisapplication()){
  81                         operation = new DeleteMisapplicationOperation(commandName, editor.getUndoContext(), editor
  82                                         .getTaxon(), (Taxon) selectedElement, editor);
  83                 }
  84                 else if (selectedElement instanceof Taxon){
  85                         //TODO: how to get the actual classification
  86                         if(! MessageDialog.openConfirm(HandlerUtil.getActiveShell(event), "Confirm Deletion", "Are you sure you want to delete the selected taxon?")){
  87                                 return ;
  88                         }
  89                         IWorkbenchPage activePage = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
  90                         operation = new DeleteTaxonOperation(commandName, editor.getUndoContext(),(Taxon) selectedElement, null, activePage, this, editor);
  91                         //editor.dispose();
  92
  93                 }
  94                 else {
  95                         throw new IllegalArgumentException("Element has to be Synonym, Misapplication or Concept");
  96                 }
  97
  98                 EditorUtil.executeOperation(operation);
  99
 100
 101
 102
 103         }
 104
 105         @Override
 106         public boolean postOperation(CdmBase objectAffectedByOperation) {
 107                 Display.getDefault().asyncExec(new Runnable(){
 108
 109                         public void run() {
 110                                 EditorUtil.close(editor.getMultiPageTaxonEditor());
 111
 112                         }
 113
 114                 });
 115
 116
 117                 return true;
 118         }
 119
 120         @Override
 121         public boolean onComplete() {
 122                 // TODO Auto-generated method stub
 123                 return false;
 124         }
 125
 126
 127 }