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1<?php
2
3/**
4 * This file is part of PHPWord - A pure PHP library for reading and writing
5 * word processing documents.
6 *
7 * PHPWord is free software distributed under the terms of the GNU Lesser
8 * General Public License version 3 as published by the Free Software Foundation.
9 *
10 * For the full copyright and license information, please read the LICENSE
11 * file that was distributed with this source code. For the full list of
12 * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
13 *
14 * @see         https://github.com/PHPOffice/PHPWord
15 *
16 * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
17 */
18
19namespace PhpOffice\PhpWord\Writer\Word2007\Element;
20
21use PhpOffice\PhpWord\Element\FormField as FormFieldElement;
22use PhpOffice\PhpWord\Shared\XMLWriter;
23
24/**
25 * FormField element writer.
26 *
27 * Note: DropDown is active when document protection is set to `forms`
28 *
29 * @since 0.12.0
30 * @see  http://www.datypic.com/sc/ooxml/t-w_CT_FFData.html
31 *
32 * @SuppressWarnings(PHPMD.UnusedPrivateMethod)
33 */
34class FormField extends Text
35{
36    /** @const int Length of filler when value is null */
37    const FILLER_LENGTH = 30;
38
39    /**
40     * Write element.
41     */
42    public function write(): void
43    {
44        $xmlWriter = $this->getXmlWriter();
45        $element = $this->getElement();
46        if (!$element instanceof FormFieldElement) {
47            return;
48        }
49
50        $type = $element->getType();
51        $instructions = ['textinput' => 'FORMTEXT', 'checkbox' => 'FORMCHECKBOX', 'dropdown' => 'FORMDROPDOWN'];
52        $instruction = $instructions[$type];
53        $writeFormField = "write{$type}";
54        $name = $element->getName();
55        if ($name === null) {
56            $name = $type . $element->getElementId();
57        }
58        $value = $element->getValue();
59        if ($value === null) {
60            $value = str_repeat(' ', self::FILLER_LENGTH);
61        }
62
63        $this->startElementP();
64
65        $xmlWriter->startElement('w:r');
66        $xmlWriter->startElement('w:fldChar');
67        $xmlWriter->writeAttribute('w:fldCharType', 'begin');
68        $xmlWriter->startElement('w:ffData');
69        $xmlWriter->writeElementBlock('w:enabled', 'w:val', 1);
70        $xmlWriter->writeElementBlock('w:name', 'w:val', $name);
71        $xmlWriter->writeElementBlock('w:calcOnExit', 'w:val', 0);
72        $this->$writeFormField($xmlWriter, $element);
73        $xmlWriter->endElement(); // w:ffData
74        $xmlWriter->endElement(); // w:fldChar
75        $xmlWriter->endElement(); // w:r
76
77        $xmlWriter->startElement('w:r');
78        $this->writeFontStyle();
79        $xmlWriter->startElement('w:instrText');
80        $xmlWriter->writeAttribute('xml:space', 'preserve');
81        $xmlWriter->text("{$instruction}");
82        $xmlWriter->endElement(); // w:instrText
83        $xmlWriter->endElement(); // w:r
84
85        $xmlWriter->startElement('w:r');
86        $this->writeFontStyle();
87        $xmlWriter->writeElementBlock('w:fldChar', 'w:fldCharType', 'separate');
88        $xmlWriter->endElement(); // w:r
89
90        $xmlWriter->startElement('w:r');
91        $this->writeFontStyle();
92        $xmlWriter->startElement('w:t');
93        $xmlWriter->writeAttribute('xml:space', 'preserve');
94        $this->writeText($value);
95        $xmlWriter->endElement(); // w:t
96        $xmlWriter->endElement(); // w:r
97
98        $xmlWriter->startElement('w:r');
99        $this->writeFontStyle();
100        $xmlWriter->writeElementBlock('w:fldChar', 'w:fldCharType', 'end');
101        $xmlWriter->endElement(); // w:r
102
103        $this->endElementP(); // w:p
104    }
105
106    /**
107     * Write textinput.
108     *
109     * @see  http://www.datypic.com/sc/ooxml/t-w_CT_FFTextInput.html
110     */
111    private function writeTextInput(XMLWriter $xmlWriter, FormFieldElement $element): void
112    {
113        $default = $element->getDefault();
114
115        $xmlWriter->startElement('w:textInput');
116        $xmlWriter->writeElementBlock('w:default', 'w:val', $default);
117        $xmlWriter->endElement();
118    }
119
120    /**
121     * Write checkbox.
122     *
123     * @see  http://www.datypic.com/sc/ooxml/t-w_CT_FFCheckBox.html
124     */
125    private function writeCheckBox(XMLWriter $xmlWriter, FormFieldElement $element): void
126    {
127        $default = $element->getDefault() ? 1 : 0;
128        $value = $element->getValue();
129        if ($value == null) {
130            $value = $default;
131        }
132        $value = $value ? 1 : 0;
133
134        $xmlWriter->startElement('w:checkBox');
135        $xmlWriter->writeElementBlock('w:sizeAuto', 'w:val', '');
136        $xmlWriter->writeElementBlock('w:default', 'w:val', $default);
137        $xmlWriter->writeElementBlock('w:checked', 'w:val', $value);
138        $xmlWriter->endElement();
139    }
140
141    /**
142     * Write dropdown.
143     *
144     * @see  http://www.datypic.com/sc/ooxml/t-w_CT_FFDDList.html
145     */
146    private function writeDropDown(XMLWriter $xmlWriter, FormFieldElement $element): void
147    {
148        $default = $element->getDefault();
149        $value = $element->getValue();
150        if ($value == null) {
151            $value = $default;
152        }
153        $entries = $element->getEntries();
154
155        $xmlWriter->startElement('w:ddList');
156        $xmlWriter->writeElementBlock('w:result', 'w:val', $value);
157        $xmlWriter->writeElementBlock('w:default', 'w:val', $default);
158        foreach ($entries as $entry) {
159            if ($entry == null || $entry == '') {
160                $entry = str_repeat(' ', self::FILLER_LENGTH);
161            }
162            $xmlWriter->writeElementBlock('w:listEntry', 'w:val', $entry);
163        }
164        $xmlWriter->endElement();
165    }
166}