* License: 3-clause BSD license
*/
use Friendica\App;
use Friendica\Core\Addon;
use Friendica\Core\Config;
use Friendica\Core\L10n;
use Friendica\Core\PConfig;
function mathjax_install() {
Addon::registerHook('load_config', 'addon/mathjax/mathjax.php', 'mathjax_load_config');
Addon::registerHook('page_header', 'addon/mathjax/mathjax.php', 'mathjax_page_header');
Addon::registerHook('addon_settings', 'addon/mathjax/mathjax.php', 'mathjax_settings');
Addon::registerHook('addon_settings_post', 'addon/mathjax/mathjax.php', 'mathjax_settings_post');
Addon::registerHook('template_vars', 'addon/mathjax/mathjax.php', 'mathjax_template_vars');
logger('installed js_math addon');
}
function mathjax_uninstall() {
Addon::unregisterHook('load_config', 'addon/mathjax/mathjax.php', 'mathjax_load_config');
Addon::unregisterHook('page_header', 'addon/mathjax/mathjax.php', 'mathjax_page_header');
Addon::unregisterHook('addon_settings', 'addon/mathjax/mathjax.php', 'mathjax_settings');
Addon::unregisterHook('addon_settings_post', 'addon/mathjax/mathjax.php', 'mathjax_settings_post');
Addon::unregisterHook('template_vars', 'addon/mathjax/mathjax.php', 'mathjax_template_vars');
}
function mathjax_load_config(\Friendica\App $a)
{
$a->loadConfigFile(__DIR__. '/config/mathjax.ini.php');
}
function mathjax_template_vars($a, &$arr)
{
if (!array_key_exists('addon_hooks',$arr['vars']))
{
$arr['vars']['addon_hooks'] = array();
}
$arr['vars']['addon_hooks'][] = "mathjax";
}
function mathjax_settings_post ($a, $post) {
if (! local_user())
return;
if (!x($_POST,'mathjax-submit'))
return;
PConfig::set(local_user(),'mathjax','use',intval($_POST['mathjax_use']));
}
function mathjax_settings (&$a, &$s) {
if (! local_user())
return;
$use = PConfig::get(local_user(),'mathjax','use');
$usetext = (($use) ? ' checked="checked" ' : '');
$s .= '';
$s .= '
MathJax '.L10n::t('Settings').'
';
$s .= '';
$s .= '
';
$s .= '';
$s .= '
MathJax '.L10n::t('Settings').'
';
$s .= '';
$s .= '
'.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.').'
';
}
/* we need to add one JavaScript include command to the html output
* note that you have to check the jsmath/easy/load.js too.
*/
function mathjax_page_header($a, &$b) {
// if the visitor of the page is not a local_user, use MathJax
// otherwise check the users settings.
$url = Config::get ('mathjax','baseurl');
if(! $url) {
$url = 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.4/MathJax.js?config=TeX-MML-AM_CHTML';
}
if (! local_user()) {
$b .= '';
} else {
$use = PConfig::get(local_user(),'mathjax','use');
if ($use) {
$b .= '';
}
}
}
function mathjax_addon_admin_post (&$a) {
$baseurl = ((x($_POST, 'mjbaseurl')) ? trim($_POST['mjbaseurl']) : 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.4/MathJax.js?config=TeX-MML-AM_CHTML');
Config::set('mathjax','baseurl',$baseurl);
info(L10n::t('Settings updated.'). EOL);
}
function mathjax_addon_admin (App $a, &$o) {
$t = get_markup_template( "admin.tpl", "addon/mathjax/" );
if (Config::get('mathjax','baseurl','') == '') {
Config::set('mathjax','baseurl','https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.4/MathJax.js?config=TeX-MML-AM_CHTML');
}
$o = replace_macros( $t, [
'$submit' => L10n::t('Save Settings'),
'$mjbaseurl' => ['mjbaseurl', L10n::t('MathJax Base URL'), Config::get('mathjax','baseurl' ), L10n::t('The URL for the javascript file that should be included to use MathJax. Can be either the MathJax CDN or another installation of MathJax.'), 'required']
]);
}