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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.editor.handler;
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import java.util.Set;
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import org.apache.log4j.Logger;
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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.dialogs.MessageDialog;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.model.name.TaxonNameBase;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonBase;
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import eu.etaxonomy.cdm.model.taxon.TaxonRelationship;
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import eu.etaxonomy.cdm.model.taxon.TaxonRelationshipType;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.FreeTextElementFactory;
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import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
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import eu.etaxonomy.taxeditor.editor.name.IterableSynonymyList;
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/**
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* @author n.hoffmann
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* @created 23.03.2009
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* @version 1.0
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*/
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public class SaveTaxonHandler extends AbstractHandler {
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private static final Logger logger = Logger
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.getLogger(SaveTaxonHandler.class);
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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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public Object execute(ExecutionEvent event) throws ExecutionException {
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MultiPageTaxonEditor editor = EditorUtil.getActiveEditor();
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// check for non zero length of taxon name
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if(isNameZeroLength(editor.getTaxon().getName())){
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MessageDialog.openWarning(HandlerUtil.getActiveShell(event), "No Name Specified", "An attempt was made to save a taxon with " +
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"an empty name. Operation was cancelled.");
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return null;
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}
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if (!areRelatedNamesNonZeroLength(editor.getTaxon())) {
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MessageDialog.openWarning(HandlerUtil.getActiveShell(event), "Zero-Length Name", "One of this taxon's relationships " +
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"has a zero-length name. Operation was cancelled.");
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return null;
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}
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return EditorUtil.getActivePage().saveEditor(editor, false);
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}
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/**
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* @param name
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* @return
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*/
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private boolean isNameZeroLength(TaxonNameBase name) {
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if (name == null) {
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return true;
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}
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return (name.getFullTitleCache().length() == 0);
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}
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/**
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* @param taxon
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* @return
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*/
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private boolean areRelatedNamesNonZeroLength(Taxon taxon) {
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for (TaxonBase taxonBase : new IterableSynonymyList(taxon)) {
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if (isNameZeroLength(taxonBase.getName()) ) {
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return false;
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}
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}
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Set<TaxonRelationship> taxonRelations = taxon.getTaxonRelations();
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for (TaxonRelationship relationship : taxonRelations) {
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if (isNameZeroLength(relationship.getToTaxon().getName()) ||
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isNameZeroLength(relationship.getFromTaxon().getName())) {
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return false;
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}
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}
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return true;
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}
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}
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