eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/handler/CreateDescriptionHandler.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 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.ui.IEditorInput;
  17 import org.eclipse.ui.IEditorPart;
  18 import org.eclipse.ui.IWorkbenchPart;
  19 import org.eclipse.ui.forms.editor.FormEditor;
  20 import org.eclipse.ui.handlers.HandlerUtil;
  21
  22 import eu.etaxonomy.cdm.model.taxon.Taxon;
  23 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  24 import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
  25 import eu.etaxonomy.taxeditor.editor.view.descriptive.operation.CreateTaxonDescriptionOperation;
  26 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  27 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  28
  29 /**
  30  * <p>AddDescriptionHandler class.</p>
  31  *
  32  * @author p.ciardelli
  33  * @created 11.08.2009
  34  * @version 1.0
  35  */
  36 public class CreateDescriptionHandler extends AbstractHandler {
  37
  38         /* (non-Javadoc)
  39          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  40          */
  41         /** {@inheritDoc} */
  42         public Object execute(ExecutionEvent event) throws ExecutionException {
  43                 IWorkbenchPart part = HandlerUtil.getActivePart(event);
  44                 IPostOperationEnabled postOperationEnabled = (part instanceof IPostOperationEnabled) ? (IPostOperationEnabled) part : null;
  45
  46
  47                 IEditorPart editor = HandlerUtil.getActiveEditor(event);
  48                 if (editor instanceof FormEditor) {
  49                         editor = ((FormEditor) editor).getActiveEditor();
  50                 }
  51                 IEditorInput input = editor.getEditorInput();
  52                 if (input instanceof TaxonEditorInput) {
  53                         Taxon taxon = ((TaxonEditorInput) input).getTaxon();
  54                         AbstractPostOperation operation;
  55                         try {
  56
  57                                 operation = createOperationInstance(event.getCommand().getName(), taxon, postOperationEnabled);
  58                                 EditorUtil.executeOperation(operation);
  59                         } catch (NotDefinedException e) {
  60                                 EditorUtil.warn(getClass(), "Command name not set.");
  61                         }
  62                 }
  63                 return null;
  64         }
  65
  66         /**Comments for funtion createOperationInstance
  67          * The function is used to make the specific object creation more generic
  68          * @param eventLabel
  69          * @param taxon
  70          * @param postOperationEnabled
  71          * @return
  72          */
  73         protected AbstractPostOperation createOperationInstance(String eventLabel, Taxon taxon, IPostOperationEnabled postOperationEnabled) {
  74                 // TODO use undo context specific to editor
  75                 return new CreateTaxonDescriptionOperation(eventLabel,  EditorUtil.getUndoContext(), taxon, postOperationEnabled);
  76         }
  77
  78
  79 }