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1<?php
2/**
3 * This file is part of PHPPresentation - A pure PHP library for reading and writing
4 * presentations documents.
5 *
6 * PHPPresentation is free software distributed under the terms of the GNU Lesser
7 * General Public License version 3 as published by the Free Software Foundation.
8 *
9 * For the full copyright and license information, please read the LICENSE
10 * file that was distributed with this source code. For the full list of
11 * contributors, visit https://github.com/PHPOffice/PHPPresentation/contributors.
12 *
13 * @see        https://github.com/PHPOffice/PHPPresentation
14 *
15 * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
16 */
17
18declare(strict_types=1);
19
20namespace PhpOffice\PhpPresentation\Writer;
21
22use PhpOffice\Common\Adapter\Zip\ZipInterface;
23use PhpOffice\PhpPresentation\AbstractShape;
24use PhpOffice\PhpPresentation\HashTable;
25use PhpOffice\PhpPresentation\PhpPresentation;
26use PhpOffice\PhpPresentation\Shape\Chart;
27use PhpOffice\PhpPresentation\Shape\Drawing\AbstractDrawingAdapter;
28use PhpOffice\PhpPresentation\Shape\Group;
29
30abstract class AbstractWriter
31{
32    /**
33     * Private unique hash table.
34     *
35     * @var HashTable
36     */
37    protected $oDrawingHashTable;
38
39    /**
40     * Private PhpPresentation.
41     *
42     * @var null|PhpPresentation
43     */
44    protected $oPresentation;
45
46    /**
47     * @var null|ZipInterface
48     */
49    protected $oZipAdapter;
50
51    /**
52     * Get drawing hash table.
53     */
54    public function getDrawingHashTable(): HashTable
55    {
56        return $this->oDrawingHashTable;
57    }
58
59    /**
60     * Get PhpPresentation object.
61     */
62    public function getPhpPresentation(): ?PhpPresentation
63    {
64        return $this->oPresentation;
65    }
66
67    /**
68     * Get PhpPresentation object.
69     *
70     * @param null|PhpPresentation $pPhpPresentation PhpPresentation object
71     *
72     * @return self
73     */
74    public function setPhpPresentation(?PhpPresentation $pPhpPresentation = null)
75    {
76        $this->oPresentation = $pPhpPresentation;
77
78        return $this;
79    }
80
81    public function setZipAdapter(ZipInterface $oZipAdapter): self
82    {
83        $this->oZipAdapter = $oZipAdapter;
84
85        return $this;
86    }
87
88    public function getZipAdapter(): ?ZipInterface
89    {
90        return $this->oZipAdapter;
91    }
92
93    /**
94     * Get an array of all drawings.
95     *
96     * @return array<int, AbstractShape>
97     */
98    protected function allDrawings(): array
99    {
100        // Get an array of all drawings
101        $aDrawings = [];
102
103        // Get an array of all master slides
104        $aSlideMasters = $this->getPhpPresentation()->getAllMasterSlides();
105
106        $aSlideMasterLayouts = array_map(function ($oSlideMaster) {
107            return $oSlideMaster->getAllSlideLayouts();
108        }, $aSlideMasters);
109
110        // Get an array of all slide layouts
111        $aSlideLayouts = [];
112        array_walk_recursive($aSlideMasterLayouts, function ($oSlideLayout) use (&$aSlideLayouts): void {
113            $aSlideLayouts[] = $oSlideLayout;
114        });
115
116        // Loop through PhpPresentation
117        foreach (array_merge($this->getPhpPresentation()->getAllSlides(), $aSlideMasters, $aSlideLayouts) as $oSlide) {
118            $arrayReturn = $this->iterateCollection($oSlide->getShapeCollection());
119            $aDrawings = array_merge($aDrawings, $arrayReturn);
120        }
121
122        return $aDrawings;
123    }
124
125    /**
126     * @param array<int, AbstractShape> $collection
127     *
128     * @return array<int, AbstractShape>
129     */
130    private function iterateCollection(array $collection): array
131    {
132        $arrayReturn = [];
133
134        foreach ($collection as $oShape) {
135            if ($oShape instanceof AbstractDrawingAdapter) {
136                $arrayReturn[] = $oShape;
137            } elseif ($oShape instanceof Chart) {
138                $arrayReturn[] = $oShape;
139            } elseif ($oShape instanceof Group) {
140                $arrayGroup = $this->iterateCollection($oShape->getShapeCollection());
141                $arrayReturn = array_merge($arrayReturn, $arrayGroup);
142            }
143        }
144
145        return $arrayReturn;
146    }
147}