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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\ODText\Part;
use PhpOffice\Common\XMLWriter;
use PhpOffice\PhpWord\Element\AbstractContainer;
use PhpOffice\PhpWord\Element\Image;
use PhpOffice\PhpWord\Element\Table;
use PhpOffice\PhpWord\Element\Text;
use PhpOffice\PhpWord\Element\TextRun;
use PhpOffice\PhpWord\Element\TrackChange;
use PhpOffice\PhpWord\PhpWord;
use PhpOffice\PhpWord\Style;
use PhpOffice\PhpWord\Style\Font;
use PhpOffice\PhpWord\Style\Paragraph;
use PhpOffice\PhpWord\Style\Table as TableStyle;
use PhpOffice\PhpWord\Writer\ODText\Element\Container;
use PhpOffice\PhpWord\Writer\ODText\Style\Paragraph as ParagraphStyleWriter;
/**
* ODText content part writer: content.xml
*/
class Content extends AbstractPart
{
/**
* Auto style collection
*
* Collect inline style information from section, image, and table elements
*
* @todo Merge font and paragraph styles
* @var array
*/
private $autoStyles = array('Section' => array(), 'Image' => array(), 'Table' => array());
/**
* Write part
*
* @return string
*/
public function write()
{
$xmlWriter = $this->getXmlWriter();
$phpWord = $this->getParentWriter()->getPhpWord();
$this->getAutoStyles($phpWord);
$xmlWriter->startDocument('1.0', 'UTF-8');
$xmlWriter->startElement('office:document-content');
$this->writeCommonRootAttributes($xmlWriter);
$xmlWriter->writeAttribute('xmlns:xforms', 'http://www.w3.org/2002/xforms');
$xmlWriter->writeAttribute('xmlns:xsd', 'http://www.w3.org/2001/XMLSchema');
$xmlWriter->writeAttribute('xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance');
$xmlWriter->writeAttribute('xmlns:field', 'urn:openoffice:names:experimental:ooo-ms-interop:xmlns:field:1.0');
$xmlWriter->writeAttribute('xmlns:formx', 'urn:openoffice:names:experimental:ooxml-odf-interop:xmlns:form:1.0');
// Font declarations and automatic styles
$this->writeFontFaces($xmlWriter); // office:font-face-decls
$this->writeAutoStyles($xmlWriter); // office:automatic-styles
// Body
$xmlWriter->startElement('office:body');
$xmlWriter->startElement('office:text');
// Tracked changes declarations
$trackedChanges = array();
$sections = $phpWord->getSections();
foreach ($sections as $section) {
$this->collectTrackedChanges($section, $trackedChanges);
}
$xmlWriter->startElement('text:tracked-changes');
foreach ($trackedChanges as $trackedElement) {
$trackedChange = $trackedElement->getTrackChange();
$xmlWriter->startElement('text:changed-region');
$trackedChange->setElementId();
$xmlWriter->writeAttribute('text:id', $trackedChange->getElementId());
if (($trackedChange->getChangeType() == TrackChange::INSERTED)) {
$xmlWriter->startElement('text:insertion');
} elseif ($trackedChange->getChangeType() == TrackChange::DELETED) {
$xmlWriter->startElement('text:deletion');
}
$xmlWriter->startElement('office:change-info');
$xmlWriter->writeElement('dc:creator', $trackedChange->getAuthor());
if ($trackedChange->getDate() != null) {
$xmlWriter->writeElement('dc:date', $trackedChange->getDate()->format('Y-m-d\TH:i:s\Z'));
}
$xmlWriter->endElement(); // office:change-info
if ($trackedChange->getChangeType() == TrackChange::DELETED) {
$xmlWriter->writeElement('text:p', $trackedElement->getText());
}
$xmlWriter->endElement(); // text:insertion|text:deletion
$xmlWriter->endElement(); // text:changed-region
}
$xmlWriter->endElement(); // text:tracked-changes
// Sequence declarations
$sequences = array('Illustration', 'Table', 'Text', 'Drawing');
$xmlWriter->startElement('text:sequence-decls');
foreach ($sequences as $sequence) {
$xmlWriter->startElement('text:sequence-decl');
$xmlWriter->writeAttribute('text:display-outline-level', 0);
$xmlWriter->writeAttribute('text:name', $sequence);
$xmlWriter->endElement();
}
$xmlWriter->endElement(); // text:sequence-decl
// Sections
$sections = $phpWord->getSections();
foreach ($sections as $section) {
$name = 'Section' . $section->getSectionId();
$xmlWriter->startElement('text:section');
$xmlWriter->writeAttribute('text:name', $name);
$xmlWriter->writeAttribute('text:style-name', $name);
$containerWriter = new Container($xmlWriter, $section);
$containerWriter->write();
$xmlWriter->endElement(); // text:section
}
$xmlWriter->endElement(); // office:text
$xmlWriter->endElement(); // office:body
$xmlWriter->endElement(); // office:document-content
return $xmlWriter->getData();
}
/**
* Write automatic styles other than fonts and paragraphs.
*
* @since 0.11.0
*
* @param \PhpOffice\Common\XMLWriter $xmlWriter
*/
private function writeAutoStyles(XMLWriter $xmlWriter)
{
$xmlWriter->startElement('office:automatic-styles');
$this->writeTextStyles($xmlWriter);
foreach ($this->autoStyles as $element => $styles) {
$writerClass = 'PhpOffice\\PhpWord\\Writer\\ODText\\Style\\' . $element;
foreach ($styles as $style) {
/** @var \PhpOffice\PhpWord\Writer\ODText\Style\AbstractStyle $styleWriter Type hint */
$styleWriter = new $writerClass($xmlWriter, $style);
$styleWriter->write();
}
}
$xmlWriter->endElement(); // office:automatic-styles
}
/**
* Write automatic styles.
*
* @param \PhpOffice\Common\XMLWriter $xmlWriter
*/
private function writeTextStyles(XMLWriter $xmlWriter)
{
$styles = Style::getStyles();
$paragraphStyleCount = 0;
if (count($styles) > 0) {
foreach ($styles as $style) {
if ($style->isAuto() === true) {
$styleClass = str_replace('\\Style\\', '\\Writer\\ODText\\Style\\', get_class($style));
if (class_exists($styleClass)) {
/** @var \PhpOffice\PhpWord\Writer\ODText\Style\AbstractStyle $styleWriter Type hint */
$styleWriter = new $styleClass($xmlWriter, $style);
$styleWriter->write();
}
if ($style instanceof Paragraph) {
$paragraphStyleCount++;
}
}
}
if ($paragraphStyleCount == 0) {
$style = new Paragraph();
$style->setStyleName('P1');
$style->setAuto();
$styleWriter = new ParagraphStyleWriter($xmlWriter, $style);
$styleWriter->write();
}
}
}
/**
* Get automatic styles.
*
* @param \PhpOffice\PhpWord\PhpWord $phpWord
*/
private function getAutoStyles(PhpWord $phpWord)
{
$sections = $phpWord->getSections();
$paragraphStyleCount = 0;
$fontStyleCount = 0;
foreach ($sections as $section) {
$style = $section->getStyle();
$style->setStyleName("Section{$section->getSectionId()}");
$this->autoStyles['Section'][] = $style;
$this->getContainerStyle($section, $paragraphStyleCount, $fontStyleCount);
}
}
/**
* Get all styles of each elements in container recursively
*
* Table style can be null or string of the style name
*
* @param \PhpOffice\PhpWord\Element\AbstractContainer $container
* @param int $paragraphStyleCount
* @param int $fontStyleCount
* @todo Simplify the logic
*/
private function getContainerStyle($container, &$paragraphStyleCount, &$fontStyleCount)
{
$elements = $container->getElements();
foreach ($elements as $element) {
if ($element instanceof TextRun) {
$this->getContainerStyle($element, $paragraphStyleCount, $fontStyleCount);
} elseif ($element instanceof Text) {
$this->getElementStyle($element, $paragraphStyleCount, $fontStyleCount);
} elseif ($element instanceof Image) {
$style = $element->getStyle();
$style->setStyleName('fr' . $element->getMediaIndex());
$this->autoStyles['Image'][] = $style;
} elseif ($element instanceof Table) {
/** @var \PhpOffice\PhpWord\Style\Table $style */
$style = $element->getStyle();
if ($style === null) {
$style = new TableStyle();
} elseif (is_string($style)) {
$style = Style::getStyle($style);
}
$style->setStyleName($element->getElementId());
$style->setColumnWidths($element->findFirstDefinedCellWidths());
$this->autoStyles['Table'][] = $style;
}
}
}
/**
* Get style of individual element
*
* @param \PhpOffice\PhpWord\Element\Text $element
* @param int $paragraphStyleCount
* @param int $fontStyleCount
*/
private function getElementStyle(&$element, &$paragraphStyleCount, &$fontStyleCount)
{
$fontStyle = $element->getFontStyle();
$paragraphStyle = $element->getParagraphStyle();
$phpWord = $this->getParentWriter()->getPhpWord();
if ($fontStyle instanceof Font) {
// Font
$fontStyleCount++;
$style = $phpWord->addFontStyle("T{$fontStyleCount}", $fontStyle);
$style->setAuto();
$element->setFontStyle("T{$fontStyleCount}");
} elseif ($paragraphStyle instanceof Paragraph) {
// Paragraph
$paragraphStyleCount++;
$style = $phpWord->addParagraphStyle("P{$paragraphStyleCount}", array());
$style->setAuto();
$element->setParagraphStyle("P{$paragraphStyleCount}");
}
}
/**
* Finds all tracked changes
*
* @param AbstractContainer $container
* @param \PhpOffice\PhpWord\Element\AbstractElement[] $trackedChanges
*/
private function collectTrackedChanges(AbstractContainer $container, &$trackedChanges = array())
{
$elements = $container->getElements();
foreach ($elements as $element) {
if ($element->getTrackChange() != null) {
$trackedChanges[] = $element;
}
if (is_callable(array($element, 'getElements'))) {
$this->collectTrackedChanges($element, $trackedChanges);
}
}
}
}