eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/operation/DeleteDescriptionElementOperation.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.view.descriptive.operation;
  11
  12 import org.eclipse.core.commands.ExecutionException;
  13 import org.eclipse.core.commands.operations.IUndoContext;
  14 import org.eclipse.core.runtime.IAdaptable;
  15 import org.eclipse.core.runtime.IProgressMonitor;
  16 import org.eclipse.core.runtime.IStatus;
  17
  18 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  19 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  20 import eu.etaxonomy.taxeditor.operation.AbstractPostTaxonOperation;
  21 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  22 import eu.etaxonomy.taxeditor.store.StoreUtil;
  23
  24 /**
  25  * <p>DeleteDescriptionElementOperation class.</p>
  26  *
  27  * @author p.ciardelli
  28  * @created 05.02.2009
  29  * @version 1.0
  30  */
  31 public class DeleteDescriptionElementOperation extends AbstractPostTaxonOperation {
  32
  33         private DescriptionElementBase element;
  34         private DescriptionBase description = null;
  35
  36         /**
  37          * <p>Constructor for DeleteDescriptionElementOperation.</p>
  38          *
  39          * @param label a {@link java.lang.String} object.
  40          * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
  41          * @param element a {@link eu.etaxonomy.cdm.model.description.DescriptionElementBase} object.
  42          * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
  43          */
  44         public DeleteDescriptionElementOperation(String label, IUndoContext undoContext,
  45                         DescriptionElementBase element, IPostOperationEnabled postOperationEnabled) {
  46                 super(label, undoContext, postOperationEnabled);
  47
  48                 this.element = element;
  49         }
  50
  51         /* (non-Javadoc)
  52          * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  53          */
  54         /** {@inheritDoc} */
  55         @Override
  56         public IStatus execute(IProgressMonitor monitor, IAdaptable info)
  57                         throws ExecutionException {
  58
  59                 description = element.getInDescription();
  60
  61                 monitor.worked(20);
  62
  63                 // Remove element from description
  64                 if (description == null) {
  65                         StoreUtil.error(this.getClass(), "Couldn't find element's description!", null);
  66                 } else {
  67                         description.removeElement(element);
  68                 }
  69                 monitor.worked(40);
  70
  71         // Redraw editor if exists
  72                 return postExecute(null);
  73         }
  74
  75         /* (non-Javadoc)
  76          * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  77          */
  78         /** {@inheritDoc} */
  79         @Override
  80         public IStatus redo(IProgressMonitor monitor, IAdaptable info)
  81                         throws ExecutionException {
  82                 return execute(monitor, info);
  83         }
  84
  85         /* (non-Javadoc)
  86          * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
  87          */
  88         /** {@inheritDoc} */
  89         @Override
  90         public IStatus undo(IProgressMonitor monitor, IAdaptable info)
  91                         throws ExecutionException {
  92
  93                 description.addElement(element);
  94
  95                 return postExecute(element);
  96         }
  97 }