forked from friendica/friendica-addons
61 lines
2 KiB
PHP
61 lines
2 KiB
PHP
<?php
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/**
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* Name: MathJax
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* Description: Addon for Friendica to include MathJax (LaTeX math syntax)
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* Version: 2.0
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* Author: Tobias Diekershoff <https://social.diekershoff.de/profile/tobias>
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* Author: Hypolite Petovan <https://friendica.mrpetovan.com/profile/hypolite>
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* License: 3-clause BSD license
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*/
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use Friendica\App;
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use Friendica\Core\Hook;
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use Friendica\Core\Renderer;
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use Friendica\DI;
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function mathjax_install()
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{
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Hook::register('footer' , __FILE__, 'mathjax_footer');
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Hook::register('addon_settings' , __FILE__, 'mathjax_settings');
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Hook::register('addon_settings_post', __FILE__, 'mathjax_settings_post');
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}
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function mathjax_settings_post()
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{
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if (!DI::userSession()->getLocalUserId() || empty($_POST['mathjax-submit'])) {
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return;
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}
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DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'mathjax', 'use', intval($_POST['mathjax_use']));
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}
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function mathjax_settings(array &$data)
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{
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if (!DI::userSession()->getLocalUserId()) {
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return;
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}
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$use = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'mathjax', 'use', false);
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$tpl = Renderer::getMarkupTemplate('settings.tpl', 'addon/mathjax');
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$html = Renderer::replaceMacros($tpl, [
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'$description' => DI::l10n()->t('The MathJax addon renders mathematical formulae written using the LaTeX syntax surrounded by the usual $$ or an eqnarray block in the postings of your wall,network tab and private mail.'),
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'$mathjax_use' => ['mathjax_use', DI::l10n()->t('Use the MathJax renderer'), $use, ''],
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]);
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$data = [
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'addon' => 'mathjax',
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'title' => 'MathJax',
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'html' => $html,
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];
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}
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function mathjax_footer(string &$body)
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{
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// if the visitor of the page is not a local_user, use MathJax
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// otherwise check the users settings.
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if (!DI::userSession()->getLocalUserId() || DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'mathjax', 'use', false)) {
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DI::page()->registerFooterScript(__DIR__ . '/asset/MathJax.js?config=TeX-MML-AM_CHTML');
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DI::page()->registerFooterScript(__DIR__ . '/mathjax.js');
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}
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}
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