taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/editor/name/handler/ChangeSynonymToAcceptedTaxonHandler.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.editor.name.handler;
  12
  13 import org.apache.log4j.Logger;
  14 import org.eclipse.core.commands.AbstractHandler;
  15 import org.eclipse.core.commands.ExecutionEvent;
  16 import org.eclipse.core.commands.ExecutionException;
  17 import org.eclipse.core.commands.operations.IUndoableOperation;
  18 import org.eclipse.jface.viewers.StructuredSelection;
  19 import org.eclipse.swt.widgets.Shell;
  20 import org.eclipse.ui.IEditorInput;
  21 import org.eclipse.ui.IEditorPart;
  22 import org.eclipse.ui.PartInitException;
  23 import org.eclipse.ui.handlers.HandlerUtil;
  24
  25 import eu.etaxonomy.cdm.model.common.CdmBase;
  26 import eu.etaxonomy.cdm.model.taxon.ITreeNode;
  27 import eu.etaxonomy.cdm.model.taxon.Synonym;
  28 import eu.etaxonomy.cdm.model.taxon.Taxon;
  29 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  30 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  31 import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
  32 import eu.etaxonomy.taxeditor.operations.ChangeSynonymToAcceptedTaxonOperation;
  33 import eu.etaxonomy.taxeditor.operations.IPostOperationEnabled;
  34 import eu.etaxonomy.taxeditor.propertysheet.name.SynonymPropertySource;
  35
  36 /**
  37  * @author n.hoffmann
  38  * @created 21.04.2009
  39  * @version 1.0
  40  */
  41 public class ChangeSynonymToAcceptedTaxonHandler extends AbstractHandler implements IPostOperationEnabled {
  42         private static final Logger logger = Logger
  43                         .getLogger(ChangeSynonymToAcceptedTaxonHandler.class);
  44
  45         private IEditorPart editor;
  46
  47         private Taxon taxon;
  48
  49         private ITreeNode parentNode;
  50
  51         /* (non-Javadoc)
  52          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  53          */
  54         public Object execute(ExecutionEvent event) throws ExecutionException {
  55                 editor = HandlerUtil.getActiveEditor(event);
  56                 Shell shell = HandlerUtil.getActiveShell(event);
  57                 IEditorInput input = editor.getEditorInput();
  58
  59                 if (!(input instanceof TaxonEditorInput)) {
  60                         logger.error("Editor input is not TaxonEditorInput");
  61                         return null;
  62                 }
  63
  64                 // Get synonym from selection
  65                 StructuredSelection selection = (StructuredSelection) HandlerUtil.getActiveMenuSelection(event);
  66                 if (!(selection.getFirstElement() instanceof SynonymPropertySource)) {
  67                         logger.error("Expected selection containing SynonymPropertySource");
  68                         return null;
  69                 }
  70
  71                 Synonym synonym = (Synonym) ((SynonymPropertySource) selection.getFirstElement()).getTaxonBase();
  72
  73                 // Force user to save taxon - not really necessary though, is it?
  74                 if (!EditorUtil.forceUserSave(editor, shell)) {
  75                         return null;
  76                 }
  77
  78                 // Get taxon
  79                 taxon = ((TaxonEditorInput) input).getTaxon();
  80                 parentNode = ((TaxonEditorInput) input).getTaxonNode().getParent();
  81
  82                 // Create new taxon with no parent
  83                 IUndoableOperation operation = new ChangeSynonymToAcceptedTaxonOperation("Change synonym to accepted taxon", EditorUtil.getUndoContext(),
  84                                 taxon, parentNode, synonym, this); //$NON-NLS-1$
  85                 EditorUtil.executeOperation(operation);
  86
  87                 return null;
  88         }
  89
  90         /* (non-Javadoc)
  91          * @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
  92          */
  93         public boolean postOperation(CdmBase objectAffectedByOperation) {
  94
  95                 // Redraw existing editor
  96                 ((IPostOperationEnabled) editor).postOperation(null);
  97
  98                 editor.doSave(null);
  99
 100                 if (objectAffectedByOperation instanceof TaxonNode) {
 101
 102                         // Open new unsaved editor with existing taxon's parent as temporary parent
 103                         TaxonNode newNode = (TaxonNode) objectAffectedByOperation;
 104 //                      TaxonNode newNode = parentNode.addChild(newTaxon);
 105
 106                         try {
 107                                 // TODO
 108                                 /*
 109                                  * This doesn't work b/c newNode hasn't been committed yet, and therefore
 110                                  *  CdmStore.getTaxonService().getTaxonNodeByUuid(taxonNodeUuid);
 111                                  *  doesn't work yet.
 112                                  */
 113                                 IEditorPart newEditor = EditorUtil.open(newNode.getUuid());
 114
 115                         } catch (PartInitException e) {
 116                                 // TODO Auto-generated catch block
 117                                 e.printStackTrace();
 118                         }
 119                 }
 120                 return true;
 121         }
 122 }