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| author | Anton Luka Šijanec <anton@sijanec.eu> | 2022-01-11 12:35:47 +0100 |
|---|---|---|
| committer | Anton Luka Šijanec <anton@sijanec.eu> | 2022-01-11 12:35:47 +0100 |
| commit | 19985dbb8c0aa66dc4bf7905abc1148de909097d (patch) | |
| tree | 2cd5a5d20d7e80fc2a51adf60d838d8a2c40999e /admin/survey/export/libs/PHPPowerPoint/Writer/Serialized.php | |
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Diffstat (limited to 'admin/survey/export/libs/PHPPowerPoint/Writer/Serialized.php')
| -rw-r--r-- | admin/survey/export/libs/PHPPowerPoint/Writer/Serialized.php | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/admin/survey/export/libs/PHPPowerPoint/Writer/Serialized.php b/admin/survey/export/libs/PHPPowerPoint/Writer/Serialized.php new file mode 100644 index 0000000..edc9596 --- /dev/null +++ b/admin/survey/export/libs/PHPPowerPoint/Writer/Serialized.php @@ -0,0 +1,187 @@ +<?php
+/**
+ * PHPPowerPoint
+ *
+ * Copyright (c) 2009 - 2010 PHPPowerPoint
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category PHPPowerPoint
+ * @package PHPPowerPoint_Writer
+ * @copyright Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
+ * @version 0.1.0, 2009-04-27
+ */
+
+
+/** PHPPowerPoint */
+require_once 'PHPPowerPoint.php';
+
+/** PHPPowerPoint_HashTable */
+require_once 'PHPPowerPoint/HashTable.php';
+
+/** PHPPowerPoint_IComparable */
+require_once 'PHPPowerPoint/IComparable.php';
+
+/** PHPPowerPoint_Slide */
+require_once 'PHPPowerPoint/Slide.php';
+
+/** PHPPowerPoint_IWriter */
+require_once 'PHPPowerPoint/Writer/IWriter.php';
+
+
+/**
+ * PHPPowerPoint_Writer_Serialized
+ *
+ * @category PHPPowerPoint
+ * @package PHPPowerPoint_Writer
+ * @copyright Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ */
+class PHPPowerPoint_Writer_Serialized implements PHPPowerPoint_Writer_IWriter
+{
+ /**
+ * Private PHPPowerPoint
+ *
+ * @var PHPPowerPoint
+ */
+ private $_presentation;
+
+ /**
+ * Create a new PHPPowerPoint_Writer_Serialized
+ *
+ * @param PHPPowerPoint $pPHPPowerPoint
+ */
+ public function __construct(PHPPowerPoint $pPHPPowerPoint = null)
+ {
+ // Assign PHPPowerPoint
+ $this->setPHPPowerPoint($pPHPPowerPoint);
+ }
+
+ /**
+ * Save PHPPowerPoint to file
+ *
+ * @param string $pFileName
+ * @throws Exception
+ */
+ public function save($pFilename = null)
+ {
+ if (!is_null($this->_presentation)) {
+ // Create new ZIP file and open it for writing
+ $objZip = new ZipArchive();
+
+ // Try opening the ZIP file
+ if ($objZip->open($pFilename, ZIPARCHIVE::OVERWRITE) !== true) {
+ if ($objZip->open($pFilename, ZIPARCHIVE::CREATE) !== true) {
+ throw new Exception("Could not open " . $pFilename . " for writing.");
+ }
+ }
+
+ // Add media
+ $slideCount = $this->_presentation->getSlideCount();
+ for ($i = 0; $i < $slideCount; ++$i) {
+ for ($j = 0; $j < $this->_presentation->getSlide($i)->getShapeCollection()->count(); ++$j) {
+ if ($this->_presentation->getSlide($i)->getShapeCollection()->offsetGet($j) instanceof PHPPowerPoint_Shape_BaseDrawing) {
+ $imgTemp = $this->_presentation->getSlide($i)->getShapeCollection()->offsetGet($j);
+ $objZip->addFromString('media/' . $imgTemp->getFilename(), file_get_contents($imgTemp->getPath()));
+ }
+ }
+ }
+
+ // Add PHPPowerPoint.xml to the document, which represents a PHP serialized PHPPowerPoint object
+ $objZip->addFromString('PHPPowerPoint.xml', $this->_writeSerialized($this->_presentation, $pFilename));
+
+ // Close file
+ if ($objZip->close() === false) {
+ throw new Exception("Could not close zip file $pFilename.");
+ }
+ } else {
+ throw new Exception("PHPPowerPoint object unassigned.");
+ }
+ }
+
+ /**
+ * Get PHPPowerPoint object
+ *
+ * @return PHPPowerPoint
+ * @throws Exception
+ */
+ public function getPHPPowerPoint() {
+ if (!is_null($this->_presentation)) {
+ return $this->_presentation;
+ } else {
+ throw new Exception("No PHPPowerPoint assigned.");
+ }
+ }
+
+ /**
+ * Get PHPPowerPoint object
+ *
+ * @param PHPPowerPoint $pPHPPowerPoint PHPPowerPoint object
+ * @throws Exception
+ */
+ public function setPHPPowerPoint(PHPPowerPoint $pPHPPowerPoint = null) {
+ $this->_presentation = $pPHPPowerPoint;
+ }
+
+ /**
+ * Serialize PHPPowerPoint object to XML
+ *
+ * @param PHPPowerPoint $pPHPPowerPoint
+ * @param string $pFilename
+ * @return string XML Output
+ * @throws Exception
+ */
+ private function _writeSerialized(PHPPowerPoint $pPHPPowerPoint = null, $pFilename = '')
+ {
+ // Clone $pPHPPowerPoint
+ $pPHPPowerPoint = clone $pPHPPowerPoint;
+
+ // Update media links
+ $slideCount = $pPHPPowerPoint->getSlideCount();
+ for ($i = 0; $i < $slideCount; ++$i) {
+ for ($j = 0; $j < $pPHPPowerPoint->getSlide($i)->getShapeCollection()->count(); ++$j) {
+ if ($pPHPPowerPoint->getSlide($i)->getShapeCollection()->offsetGet($j) instanceof PHPPowerPoint_Shape_BaseDrawing) {
+ $imgTemp =& $pPHPPowerPoint->getSlide($i)->getShapeCollection()->offsetGet($j);
+ $imgTemp->setPath('zip://' . $pFilename . '#media/' . $imgTemp->getFilename(), false);
+ }
+ }
+ }
+
+ // Create XML writer
+ $objWriter = new xmlWriter();
+ $objWriter->openMemory();
+ $objWriter->setIndent(true);
+
+ // XML header
+ $objWriter->startDocument('1.0','UTF-8','yes');
+
+ // PHPPowerPoint
+ $objWriter->startElement('PHPPowerPoint');
+ $objWriter->writeAttribute('version', '0.1.0');
+
+ // Comment
+ $objWriter->writeComment('This file has been generated using PHPPowerPoint v0.1.0 (http://www.codeplex.com/PHPPowerPoint). It contains a base64 encoded serialized version of the PHPPowerPoint internal object.');
+
+ // Data
+ $objWriter->startElement('data');
+ $objWriter->writeCData( base64_encode(serialize($pPHPPowerPoint)) );
+ $objWriter->endElement();
+
+ $objWriter->endElement();
+
+ // Return
+ return $objWriter->outputMemory(true);
+ }
+}
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