EDIT

/**

* Copyright (C) 2017 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.io.descriptive.word.out;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.io.InputStream;

import org.docx4j.openpackaging.packages.WordprocessingMLPackage;

import org.docx4j.openpackaging.parts.WordprocessingML.MainDocumentPart;

import org.springframework.stereotype.Component;

import org.springframework.transaction.TransactionStatus;

import eu.etaxonomy.cdm.io.common.CdmExportBase;

import eu.etaxonomy.cdm.io.common.mapping.out.IExportTransformer;

import eu.etaxonomy.cdm.model.common.DefinedTermBase;

import eu.etaxonomy.cdm.model.description.FeatureNode;

import eu.etaxonomy.cdm.model.description.FeatureTree;

/**

 *

 * @author pplitzner

 * @since Oct 18, 2018

 *

 */

@Component

public class WordExport extends CdmExportBase<WordExportConfigurator, WordExportState, IExportTransformer, File> {

    private static final long serialVersionUID = 3197379920692366008L;

    @Override

    protected boolean doCheck(WordExportState state) {

        return false;

    }

    @Override

    protected void doInvoke(WordExportState state) {

        TransactionStatus txStatus = startTransaction(true);

        FeatureTree featureTree = state.getConfig().getFeatureTree();

        featureTree = getFeatureTreeService().load(featureTree.getUuid());

        FeatureNode rootNode = featureTree.getRoot();

        try {

            exportStream = generateDocx4JDocument(rootNode);

            state.getResult().addExportData(getByteArray());

        } catch (Exception e) {

            e.printStackTrace();

        }

        commitTransaction(txStatus);

        return;

    }

    private ByteArrayOutputStream generateDocx4JDocument(FeatureNode rootNode) throws Exception {

        InputStream resourceAsStream = this.getClass().getClassLoader().getResourceAsStream("eu/etaxonomy/cdm/io/word/out/template.docx");

        WordprocessingMLPackage wordPackage = WordprocessingMLPackage.load(resourceAsStream);

        MainDocumentPart mainDocumentPart = wordPackage.getMainDocumentPart();

        addChildNode(rootNode, mainDocumentPart, 1);

//        createTOC(mainDocumentPart);

        ByteArrayOutputStream out = new ByteArrayOutputStream();

        wordPackage.save(out);

        return out;

    }

//    public void createTOC(MainDocumentPart mainDocumentPart) throws Exception {

//

//        ObjectFactory factory = Context.getWmlObjectFactory();

//

//

//        P p = factory.createP();

//        R r = factory.createR();

//

//        FldChar fldchar = factory.createFldChar();

//        fldchar.setFldCharType(org.docx4j.wml.STFldCharType.BEGIN);

//        r.getContent().add(getWrappedFldChar(fldchar));

//        p.getContent().add(r);

//

//        R r1 = factory.createR();

//        Text txt = new Text();

//        txt.setSpace("preserve");

//        txt.setValue("TOC \\o \"1-3\" \\h \\z \\u \\h");

//        r.getContent().add(factory.createRInstrText(txt) );

//        p.getContent().add(r1);

//

//        FldChar fldcharend = factory.createFldChar();

//        fldcharend.setFldCharType(org.docx4j.wml.STFldCharType.END);

//        R r2 = factory.createR();

//        r2.getContent().add(getWrappedFldChar(fldcharend));

//        p.getContent().add(r2);

//

//        mainDocumentPart.addObject(p);

//

//    }

//

//    @SuppressWarnings("unchecked")

//    public JAXBElement getWrappedFldChar(FldChar fldchar) {

//        return new JAXBElement( new QName(Namespaces.NS_WORD12, "fldChar"), org.docx4j.wml.FldChar.class, fldchar);

//    }

    private void addChildNode(FeatureNode node, MainDocumentPart mainDocumentPart, int indent) throws Exception{

        String styleId = "Heading"+indent;

        for (FeatureNode childNode : node.getChildNodes()) {

            DefinedTermBase term = childNode.getTerm();

            mainDocumentPart.addStyledParagraphOfText(styleId, term.getLabel());

            if(term.getDescription()!=null){

                mainDocumentPart.addParagraphOfText("Description: "+term.getDescription());

            }

            if(term.getUri()!=null){

                mainDocumentPart.addParagraphOfText("URI: "+term.getUri().toString());

            }

            addChildNode(childNode, mainDocumentPart, indent+1);

        }

    }

    @Override

    protected boolean isIgnore(WordExportState state) {

        return false;

    }

}