forked from friendica/friendica-addons
71 lines
2.4 KiB
PHP
71 lines
2.4 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\L10n;
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use Friendica\Core\PConfig;
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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_uninstall()
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{
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Hook::unregister('footer' , __FILE__, 'mathjax_footer');
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Hook::unregister('addon_settings' , __FILE__, 'mathjax_settings');
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Hook::unregister('addon_settings_post', __FILE__, 'mathjax_settings_post');
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// Legacy hooks
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Hook::unregister('load_config' , __FILE__, 'mathjax_load_config');
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Hook::unregister('page_header' , __FILE__, 'mathjax_page_header');
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Hook::unregister('template_vars' , __FILE__, 'mathjax_template_vars');
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}
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function mathjax_settings_post($a)
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{
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if (!local_user() || empty($_POST['mathjax-submit'])) {
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return;
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}
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PConfig::set(local_user(), 'mathjax', 'use', intval($_POST['mathjax_use']));
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}
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function mathjax_settings(App $a, &$s)
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{
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if (!local_user()) {
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return;
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}
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$use = DI::pConfig()->get(local_user(), 'mathjax', 'use', false);
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$tpl = Renderer::getMarkupTemplate('settings.tpl', __DIR__);
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$s .= Renderer::replaceMacros($tpl, [
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'$title' => 'MathJax',
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'$description' => 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', L10n::t('Use the MathJax renderer'), $use, ''],
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'$savesettings' => L10n::t('Save Settings'),
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]);
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}
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function mathjax_footer(App $a, &$b)
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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 (!local_user() || DI::pConfig()->get(local_user(), '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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