eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/handler/CreateDescriptionHandler.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2011 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 package eu.etaxonomy.taxeditor.editor.view.descriptive.handler;
  11
  12 import org.eclipse.core.commands.AbstractHandler;
  13 import org.eclipse.core.commands.ExecutionEvent;
  14 import org.eclipse.core.commands.ExecutionException;
  15 import org.eclipse.core.commands.common.NotDefinedException;
  16 import org.eclipse.jface.viewers.ISelection;
  17 import org.eclipse.jface.viewers.IStructuredSelection;
  18 import org.eclipse.ui.IEditorInput;
  19 import org.eclipse.ui.IEditorPart;
  20 import org.eclipse.ui.IWorkbenchPart;
  21 import org.eclipse.ui.forms.editor.FormEditor;
  22 import org.eclipse.ui.handlers.HandlerUtil;
  23
  24 import eu.etaxonomy.cdm.model.description.SpecimenDescription;
  25 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  26 import eu.etaxonomy.cdm.model.taxon.Taxon;
  27 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  28 import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
  29 import eu.etaxonomy.taxeditor.editor.view.descriptive.operation.CreateTaxonDescriptionOperation;
  30 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  31 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  32 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  33
  34 /**
  35  * <p>AddDescriptionHandler class.</p>
  36  *
  37  * @author p.ciardelli
  38  * @created 11.08.2009
  39  * @version 1.0
  40  */
  41 public class CreateDescriptionHandler extends AbstractHandler {
  42
  43         /* (non-Javadoc)
  44          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  45          */
  46         /** {@inheritDoc} */
  47         @Override
  48     public Object execute(ExecutionEvent event) throws ExecutionException {
  49                 IWorkbenchPart part = HandlerUtil.getActivePart(event);
  50                 IPostOperationEnabled postOperationEnabled = (part instanceof IPostOperationEnabled) ? (IPostOperationEnabled) part : null;
  51
  52                 IEditorPart editor = HandlerUtil.getActiveEditor(event);
  53                 if (editor instanceof FormEditor) {
  54                         editor = ((FormEditor) editor).getActiveEditor();
  55                 }
  56                 IEditorInput input = editor.getEditorInput();
  57                 // taxon description
  58                 if (input instanceof TaxonEditorInput) {
  59                         Taxon taxon = ((TaxonEditorInput) input).getTaxon();
  60                         AbstractPostOperation operation;
  61                         try {
  62
  63                                 operation = createOperationInstance(event.getCommand().getName(), taxon, postOperationEnabled);
  64                                 AbstractUtility.executeOperation(operation);
  65                         } catch (NotDefinedException e) {
  66                                 AbstractUtility.warn(getClass(), "Command name not set.");
  67                         }
  68                 }
  69                 // specimen description
  70                 else{
  71                     //FIXME: no undo and redo supported. Should also use postOperation
  72                     ISelection selection = editor.getSite().getSelectionProvider().getSelection();
  73                     if(selection instanceof IStructuredSelection){
  74                         Object selectedElement = ((IStructuredSelection) selection).getFirstElement();
  75                         if(selectedElement instanceof SpecimenOrObservationBase<?>){
  76                             SpecimenDescription description = SpecimenDescription.NewInstance((SpecimenOrObservationBase<?>) selectedElement);
  77                             postOperationEnabled.postOperation(description);
  78                         }
  79                     }
  80                 }
  81                 return null;
  82         }
  83
  84         /**
  85          * The function is used to make the specific object creation more generic
  86          * @param eventLabel
  87          * @param taxon
  88          * @param postOperationEnabled
  89          * @return
  90          */
  91         protected AbstractPostOperation createOperationInstance(String eventLabel, Taxon taxon, IPostOperationEnabled postOperationEnabled) {
  92                 // TODO use undo context specific to editor
  93                 return new CreateTaxonDescriptionOperation(eventLabel,  EditorUtil.getUndoContext(), taxon, postOperationEnabled);
  94         }
  95
  96
  97 }