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<?php
/**
* This file is part of PHPWord - A pure PHP library for reading and writing
* word processing documents.
*
* PHPWord is free software distributed under the terms of the GNU Lesser
* General Public License version 3 as published by the Free Software Foundation.
*
* For the full copyright and license information, please read the LICENSE
* file that was distributed with this source code. For the full list of
* contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
*
* @see https://github.com/PHPOffice/PHPWord
* @copyright 2010-2018 PHPWord contributors
* @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3
*/
namespace PhpOffice\PhpWord\Writer\Word2007\Element;
use PhpOffice\Common\XMLWriter;
use PhpOffice\PhpWord\Element\TOC as TOCElement;
use PhpOffice\PhpWord\Style\Font;
use PhpOffice\PhpWord\Writer\Word2007\Style\Font as FontStyleWriter;
use PhpOffice\PhpWord\Writer\Word2007\Style\Paragraph as ParagraphStyleWriter;
use PhpOffice\PhpWord\Writer\Word2007\Style\Tab as TabStyleWriter;
/**
* TOC element writer
*
* @since 0.10.0
*/
class TOC extends AbstractElement
{
/**
* Write element.
*/
public function write()
{
$xmlWriter = $this->getXmlWriter();
$element = $this->getElement();
if (!$element instanceof TOCElement) {
return;
}
$titles = $element->getTitles();
$writeFieldMark = true;
foreach ($titles as $title) {
$this->writeTitle($xmlWriter, $element, $title, $writeFieldMark);
if ($writeFieldMark) {
$writeFieldMark = false;
}
}
$xmlWriter->startElement('w:p');
$xmlWriter->startElement('w:r');
$xmlWriter->startElement('w:fldChar');
$xmlWriter->writeAttribute('w:fldCharType', 'end');
$xmlWriter->endElement();
$xmlWriter->endElement();
$xmlWriter->endElement();
}
/**
* Write title
*
* @param \PhpOffice\Common\XMLWriter $xmlWriter
* @param \PhpOffice\PhpWord\Element\TOC $element
* @param \PhpOffice\PhpWord\Element\Title $title
* @param bool $writeFieldMark
*/
private function writeTitle(XMLWriter $xmlWriter, TOCElement $element, $title, $writeFieldMark)
{
$tocStyle = $element->getStyleTOC();
$fontStyle = $element->getStyleFont();
$isObject = ($fontStyle instanceof Font) ? true : false;
$rId = $title->getRelationId();
$indent = ($title->getDepth() - 1) * $tocStyle->getIndent();
$xmlWriter->startElement('w:p');
// Write style and field mark
$this->writeStyle($xmlWriter, $element, $indent);
if ($writeFieldMark) {
$this->writeFieldMark($xmlWriter, $element);
}
// Hyperlink
$xmlWriter->startElement('w:hyperlink');
$xmlWriter->writeAttribute('w:anchor', "_Toc{$rId}");
$xmlWriter->writeAttribute('w:history', '1');
// Title text
$xmlWriter->startElement('w:r');
if ($isObject) {
$styleWriter = new FontStyleWriter($xmlWriter, $fontStyle);
$styleWriter->write();
}
$xmlWriter->startElement('w:t');
$this->writeText($title->getText());
$xmlWriter->endElement(); // w:t
$xmlWriter->endElement(); // w:r
$xmlWriter->startElement('w:r');
$xmlWriter->writeElement('w:tab', null);
$xmlWriter->endElement();
$xmlWriter->startElement('w:r');
$xmlWriter->startElement('w:fldChar');
$xmlWriter->writeAttribute('w:fldCharType', 'begin');
$xmlWriter->endElement();
$xmlWriter->endElement();
$xmlWriter->startElement('w:r');
$xmlWriter->startElement('w:instrText');
$xmlWriter->writeAttribute('xml:space', 'preserve');
$xmlWriter->text("PAGEREF _Toc{$rId} \h");
$xmlWriter->endElement();
$xmlWriter->endElement();
$xmlWriter->startElement('w:r');
$xmlWriter->startElement('w:fldChar');
$xmlWriter->writeAttribute('w:fldCharType', 'end');
$xmlWriter->endElement();
$xmlWriter->endElement();
$xmlWriter->endElement(); // w:hyperlink
$xmlWriter->endElement(); // w:p
}
/**
* Write style
*
* @param \PhpOffice\Common\XMLWriter $xmlWriter
* @param \PhpOffice\PhpWord\Element\TOC $element
* @param int $indent
*/
private function writeStyle(XMLWriter $xmlWriter, TOCElement $element, $indent)
{
$tocStyle = $element->getStyleTOC();
$fontStyle = $element->getStyleFont();
$isObject = ($fontStyle instanceof Font) ? true : false;
$xmlWriter->startElement('w:pPr');
// Paragraph
if ($isObject && !is_null($fontStyle->getParagraph())) {
$styleWriter = new ParagraphStyleWriter($xmlWriter, $fontStyle->getParagraph());
$styleWriter->write();
}
// Font
if (!empty($fontStyle) && !$isObject) {
$xmlWriter->startElement('w:rPr');
$xmlWriter->startElement('w:rStyle');
$xmlWriter->writeAttribute('w:val', $fontStyle);
$xmlWriter->endElement();
$xmlWriter->endElement(); // w:rPr
}
// Tab
$xmlWriter->startElement('w:tabs');
$styleWriter = new TabStyleWriter($xmlWriter, $tocStyle);
$styleWriter->write();
$xmlWriter->endElement();
// Indent
if ($indent > 0) {
$xmlWriter->startElement('w:ind');
$xmlWriter->writeAttribute('w:left', $indent);
$xmlWriter->endElement();
}
$xmlWriter->endElement(); // w:pPr
}
/**
* Write TOC Field.
*
* @param \PhpOffice\Common\XMLWriter $xmlWriter
* @param \PhpOffice\PhpWord\Element\TOC $element
*/
private function writeFieldMark(XMLWriter $xmlWriter, TOCElement $element)
{
$minDepth = $element->getMinDepth();
$maxDepth = $element->getMaxDepth();
$xmlWriter->startElement('w:r');
$xmlWriter->startElement('w:fldChar');
$xmlWriter->writeAttribute('w:fldCharType', 'begin');
$xmlWriter->endElement();
$xmlWriter->endElement();
$xmlWriter->startElement('w:r');
$xmlWriter->startElement('w:instrText');
$xmlWriter->writeAttribute('xml:space', 'preserve');
$xmlWriter->text("TOC \o {$minDepth}-{$maxDepth} \h \z \u");
$xmlWriter->endElement();
$xmlWriter->endElement();
$xmlWriter->startElement('w:r');
$xmlWriter->startElement('w:fldChar');
$xmlWriter->writeAttribute('w:fldCharType', 'separate');
$xmlWriter->endElement();
$xmlWriter->endElement();
}
}