src/PhpPresentation/Writer/AbstractWriter.php
<?php
/**
* This file is part of PHPPresentation - A pure PHP library for reading and writing
* presentations documents.
*
* PHPPresentation 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/PHPPresentation/contributors.
*
* @see https://github.com/PHPOffice/PHPPresentation
*
* @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3
*/
declare(strict_types=1);
namespace PhpOffice\PhpPresentation\Writer;
use PhpOffice\Common\Adapter\Zip\ZipInterface;
use PhpOffice\PhpPresentation\AbstractShape;
use PhpOffice\PhpPresentation\HashTable;
use PhpOffice\PhpPresentation\PhpPresentation;
use PhpOffice\PhpPresentation\Shape\Chart;
use PhpOffice\PhpPresentation\Shape\Drawing\AbstractDrawingAdapter;
use PhpOffice\PhpPresentation\Shape\Group;
abstract class AbstractWriter
{
/**
* Private unique hash table.
*
* @var HashTable
*/
protected $oDrawingHashTable;
/**
* Private PhpPresentation.
*
* @var null|PhpPresentation
*/
protected $oPresentation;
/**
* @var null|ZipInterface
*/
protected $oZipAdapter;
/**
* Get drawing hash table.
*/
public function getDrawingHashTable(): HashTable
{
return $this->oDrawingHashTable;
}
/**
* Get PhpPresentation object.
*/
public function getPhpPresentation(): ?PhpPresentation
{
return $this->oPresentation;
}
/**
* Get PhpPresentation object.
*
* @param null|PhpPresentation $pPhpPresentation PhpPresentation object
*
* @return self
*/
public function setPhpPresentation(?PhpPresentation $pPhpPresentation = null)
{
$this->oPresentation = $pPhpPresentation;
return $this;
}
public function setZipAdapter(ZipInterface $oZipAdapter): self
{
$this->oZipAdapter = $oZipAdapter;
return $this;
}
public function getZipAdapter(): ?ZipInterface
{
return $this->oZipAdapter;
}
/**
* Get an array of all drawings.
*
* @return array<int, AbstractShape>
*/
protected function allDrawings(): array
{
// Get an array of all drawings
$aDrawings = [];
// Get an array of all master slides
$aSlideMasters = $this->getPhpPresentation()->getAllMasterSlides();
$aSlideMasterLayouts = array_map(function ($oSlideMaster) {
return $oSlideMaster->getAllSlideLayouts();
}, $aSlideMasters);
// Get an array of all slide layouts
$aSlideLayouts = [];
array_walk_recursive($aSlideMasterLayouts, function ($oSlideLayout) use (&$aSlideLayouts): void {
$aSlideLayouts[] = $oSlideLayout;
});
// Loop through PhpPresentation
foreach (array_merge($this->getPhpPresentation()->getAllSlides(), $aSlideMasters, $aSlideLayouts) as $oSlide) {
$arrayReturn = $this->iterateCollection($oSlide->getShapeCollection());
$aDrawings = array_merge($aDrawings, $arrayReturn);
}
return $aDrawings;
}
/**
* @param array<int, AbstractShape> $collection
*
* @return array<int, AbstractShape>
*/
private function iterateCollection(array $collection): array
{
$arrayReturn = [];
foreach ($collection as $oShape) {
if ($oShape instanceof AbstractDrawingAdapter) {
$arrayReturn[] = $oShape;
} elseif ($oShape instanceof Chart) {
$arrayReturn[] = $oShape;
} elseif ($oShape instanceof Group) {
$arrayGroup = $this->iterateCollection($oShape->getShapeCollection());
$arrayReturn = array_merge($arrayReturn, $arrayGroup);
}
}
return $arrayReturn;
}
}