001/*
002 * (C) Copyright 2006-2009 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     troger
018 */
019package org.nuxeo.ecm.platform.annotations.gwt.client.view.decorator;
020
021import org.nuxeo.ecm.platform.annotations.gwt.client.AnnotationConstant;
022import org.nuxeo.ecm.platform.annotations.gwt.client.controler.AnnotationController;
023import org.nuxeo.ecm.platform.annotations.gwt.client.model.Annotation;
024
025import com.google.gwt.dom.client.Document;
026import com.google.gwt.dom.client.Element;
027import com.google.gwt.dom.client.Node;
028import com.google.gwt.dom.client.SpanElement;
029
030/**
031 * @author <a href="mailto:troger@nuxeo.com">Thomas Roger</a>
032 */
033public class NuxeoSelectedTextDecoratorVisitor extends NuxeoDecoratorVisitor {
034
035    public NuxeoSelectedTextDecoratorVisitor(Annotation annotation, AnnotationController controller) {
036        super(annotation, controller);
037    }
038
039    @Override
040    protected Element decorateTextWithSpan(String data) {
041        if (data.trim().length() == 0) {
042            // don't add span to empty text
043            return null;
044        }
045
046        Document document = currentNode.getOwnerDocument();
047        SpanElement spanElement = getSpanElement(document);
048        spanElement.setInnerText(data);
049        Node parent = currentNode.getParentNode();
050        String className = AnnotationConstant.SELECTED_TEXT_CLASS_NAME;
051        if (parent.getNodeName().equalsIgnoreCase("span")) {
052            String parentClassName = ((SpanElement) parent.cast()).getClassName();
053            if (parentClassName.indexOf(AnnotationConstant.SELECTED_TEXT_CLASS_NAME) != -1) {
054                className = parentClassName + AnnotationConstant.SELECTED_TEXT_CLASS_NAME;
055            }
056        }
057        spanElement.setClassName(className);
058        insertBefore(parent, currentNode.getNextSibling(), spanElement);
059        return spanElement;
060    }
061
062    @Override
063    protected SpanElement getSpanElement(Document document) {
064        SpanElement spanElement = document.createSpanElement();
065        return spanElement;
066    }
067
068}