taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/editor/images/handler/DeleteImageHandler.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.images.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.IHandler;
  18 import org.eclipse.core.commands.common.NotDefinedException;
  19 import org.eclipse.core.commands.operations.IUndoableOperation;
  20 import org.eclipse.jface.viewers.ISelection;
  21 import org.eclipse.jface.viewers.StructuredSelection;
  22 import org.eclipse.ui.handlers.HandlerUtil;
  23
  24 import eu.etaxonomy.cdm.model.description.TaxonDescription;
  25 import eu.etaxonomy.cdm.model.media.ImageFile;
  26 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  27 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  28 import eu.etaxonomy.taxeditor.editor.Page;
  29 import eu.etaxonomy.taxeditor.editor.images.GalleryLabelComposite;
  30 import eu.etaxonomy.taxeditor.editor.images.TaxonImageEditor;
  31 import eu.etaxonomy.taxeditor.propertysheet.images.ImagePropertySource;
  32 import eu.etaxonomy.taxeditor.store.operations.DeleteImageOperation;
  33
  34 /**
  35  * @author n.hoffmann
  36  * @created 27.04.2009
  37  * @version 1.0
  38  */
  39 public class DeleteImageHandler extends AbstractHandler implements IHandler {
  40         private static final Logger logger = Logger
  41                         .getLogger(DeleteImageHandler.class);
  42
  43         /* (non-Javadoc)
  44          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  45          */
  46         public Object execute(ExecutionEvent event) throws ExecutionException {
  47                 MultiPageTaxonEditor editor = EditorUtil.getActiveEditor();
  48
  49                 TaxonImageEditor page = (TaxonImageEditor) editor.getPage(Page.IMAGE);
  50
  51                 ISelection menuSelection = HandlerUtil.getActiveMenuSelection(event);
  52
  53                 // FIXME right now we have only one description per taxon
  54                 // this will change in the future and then attaching the feature to
  55                 // the firstGroupedComposite will not work anymore
  56                 TaxonDescription description = ((GalleryLabelComposite) page.getFirstGroupedComposite()).getDescription();
  57
  58
  59                 ImageFile imageFile = ((ImagePropertySource) ((StructuredSelection) menuSelection).getFirstElement()).getImageFile();
  60
  61                 IUndoableOperation operation;
  62                 try {
  63                         // we are not passing the description and thereby assume that all occurrences of the image
  64                         // should be deleted
  65                         operation = new DeleteImageOperation(event.getCommand().getName(),
  66                                         editor.getUndoContext(), editor.getTaxon(), description, imageFile, editor);
  67                         EditorUtil.executeOperation(operation);
  68                 } catch (NotDefinedException e) {
  69                         logger.warn("Command name not set");
  70                 }
  71
  72                 return null;
  73         }
  74 }