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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.bulkeditor.handler;
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import org.eclipse.core.commands.AbstractHandler;
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import org.eclipse.core.commands.ExecutionEvent;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.ui.IEditorInput;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.handlers.HandlerUtil;
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import org.eclipse.ui.texteditor.IDocumentProvider;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.IEntityPersistenceService;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
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import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
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import eu.etaxonomy.taxeditor.bulkeditor.BulkEditorUtil;
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import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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/**
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* @author n.hoffmann
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* @created Mar 11, 2011
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* @version 1.0
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*/
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public class DeleteHandler extends AbstractHandler {
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/* (non-Javadoc)
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* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
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*/
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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if(PreferencesUtil.getPreferenceStore().getBoolean(IPreferenceKeys.SHOW_EXPERIMENTAL_FEATURES)){
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ISelection selection = HandlerUtil.getCurrentSelection(event);
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IEditorPart editor = HandlerUtil.getActiveEditor(event);
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IEditorInput input = editor.getEditorInput();
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if((input instanceof IEntityPersistenceService) && (selection instanceof IStructuredSelection)){
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IDocumentProvider provider = ((BulkEditor) editor).getDocumentProvider();
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LineAnnotationModel model =
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(LineAnnotationModel) provider.getAnnotationModel(input);
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IStructuredSelection structuredSelection = (IStructuredSelection) selection;
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IEntityPersistenceService persistenceService = (IEntityPersistenceService) input;
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for(Object object : structuredSelection.toList()){
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LineAnnotation annotation = (LineAnnotation) model.getAnnotation(object);
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// persistenceService.delete(object);
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((BulkEditor) editor).removeAnnotatedLine(annotation);
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}
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}
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}else{
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BulkEditorUtil.warningDialog("Feature not enabled", getClass(), "Deletion is currently an experimental feature." +
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"Enable it via Preferences at your own risk.");
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}
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return null;
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}
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}
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