72 lines
2.4 KiB
PHP
72 lines
2.4 KiB
PHP
<?php
|
|
/**
|
|
* Name: MathJax
|
|
* Description: Addon for Friendica to include MathJax (LaTeX math syntax)
|
|
* Version: 2.0
|
|
* Author: Tobias Diekershoff <https://social.diekershoff.de/profile/tobias>
|
|
* Author: Hypolite Petovan <https://friendica.mrpetovan.com/profile/hypolite>
|
|
* License: 3-clause BSD license
|
|
*/
|
|
|
|
use Friendica\App;
|
|
use Friendica\Core\Hook;
|
|
use Friendica\Core\L10n;
|
|
use Friendica\Core\PConfig;
|
|
use Friendica\Core\Renderer;
|
|
use Friendica\DI;
|
|
|
|
function mathjax_install()
|
|
{
|
|
Hook::register('footer' , __FILE__, 'mathjax_footer');
|
|
Hook::register('addon_settings' , __FILE__, 'mathjax_settings');
|
|
Hook::register('addon_settings_post', __FILE__, 'mathjax_settings_post');
|
|
}
|
|
|
|
function mathjax_uninstall()
|
|
{
|
|
Hook::unregister('footer' , __FILE__, 'mathjax_footer');
|
|
Hook::unregister('addon_settings' , __FILE__, 'mathjax_settings');
|
|
Hook::unregister('addon_settings_post', __FILE__, 'mathjax_settings_post');
|
|
|
|
// Legacy hooks
|
|
Hook::unregister('load_config' , __FILE__, 'mathjax_load_config');
|
|
Hook::unregister('page_header' , __FILE__, 'mathjax_page_header');
|
|
Hook::unregister('template_vars' , __FILE__, 'mathjax_template_vars');
|
|
}
|
|
|
|
function mathjax_settings_post($a)
|
|
{
|
|
if (!local_user() || empty($_POST['mathjax-submit'])) {
|
|
return;
|
|
}
|
|
|
|
DI::pConfig()->set(local_user(), 'mathjax', 'use', intval($_POST['mathjax_use']));
|
|
}
|
|
|
|
function mathjax_settings(App $a, &$s)
|
|
{
|
|
if (!local_user()) {
|
|
return;
|
|
}
|
|
|
|
$use = DI::pConfig()->get(local_user(), 'mathjax', 'use', false);
|
|
|
|
$tpl = Renderer::getMarkupTemplate('settings.tpl', __DIR__);
|
|
$s .= Renderer::replaceMacros($tpl, [
|
|
'$title' => 'MathJax',
|
|
'$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.'),
|
|
'$mathjax_use' => ['mathjax_use', L10n::t('Use the MathJax renderer'), $use, ''],
|
|
'$savesettings' => L10n::t('Save Settings'),
|
|
]);
|
|
}
|
|
|
|
function mathjax_footer(App $a, &$b)
|
|
{
|
|
// if the visitor of the page is not a local_user, use MathJax
|
|
// otherwise check the users settings.
|
|
if (!local_user() || DI::pConfig()->get(local_user(), 'mathjax', 'use', false)) {
|
|
DI::page()->registerFooterScript(__DIR__ . '/asset/MathJax.js?config=TeX-MML-AM_CHTML');
|
|
DI::page()->registerFooterScript(__DIR__ . '/mathjax.js');
|
|
}
|
|
}
|