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// $Id$
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/**
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* Copyright (C) 2009 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.editor.definedterm.handler;
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import java.util.Iterator;
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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.core.commands.common.NotDefinedException;
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import org.eclipse.core.commands.operations.IUndoContext;
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import org.eclipse.jface.dialogs.MessageDialog;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.model.common.TermBase;
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import eu.etaxonomy.taxeditor.editor.definedterm.DefinedTermEditor;
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import eu.etaxonomy.taxeditor.editor.definedterm.operation.DeleteTermBaseOperation;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
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import eu.etaxonomy.taxeditor.store.StoreUtil;
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/**
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* @author l.morris
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* @date 22 Dec 2011
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*
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*/
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public class DeleteTermBaseHandler 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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DefinedTermEditor editor = (DefinedTermEditor) HandlerUtil
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.getActiveEditor(event);
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if (editor.isDirty()){
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boolean proceed = MessageDialog.openQuestion(null,
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"Save changes", "You have made changes that must be saved before this query can be executed. Would you like to proceed?");
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if (proceed) {
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editor.doSave(null);
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} else {
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return null;
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}
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}
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if (editor instanceof DefinedTermEditor){
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DefinedTermEditor dfe = (DefinedTermEditor) editor;
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try {
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String label = event.getCommand().getName();
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IUndoContext undoContext = StoreUtil.getUndoContext();
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IStructuredSelection selection = (IStructuredSelection) HandlerUtil
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.getCurrentSelection(event);
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Iterator<TermBase> selectionIterator = selection.iterator();
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while (selectionIterator.hasNext()){
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TermBase term = selectionIterator.next();
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AbstractPostOperation operation =
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new DeleteTermBaseOperation(label,
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undoContext,
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term,
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dfe.getDefinedTermEditorInput(),
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editor);
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StoreUtil.executeOperation(operation);
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}
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} catch (NotDefinedException e) {
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MessagingUtils.error(getClass(), e);
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}
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}
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return null;
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}
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}
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