mirror of
https://git.friendi.ca/friendica/friendica-addons.git
synced 2024-11-19 21:43:42 +00:00
108 lines
4.9 KiB
PHP
108 lines
4.9 KiB
PHP
<?php
|
|
/**
|
|
* Name: MathJax
|
|
* Description: Addon for Friendika to include MathJax (LaTeX math syntax)
|
|
* Version: 1.1
|
|
* Author: Tobias Diekershoff <https://social.diekershoff.de/profile/tobias>
|
|
* 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 .= '<span id="settings_mathjax_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_mathjax_expanded\'); openClose(\'settings_mathjax_inflated\');">';
|
|
$s .= '<h3>MathJax '.L10n::t('Settings').'</h3>';
|
|
$s .= '</span>';
|
|
$s .= '<div id="settings_mathjax_expanded" class="settings-block" style="display: none;">';
|
|
$s .= '<span class="fakelink" onclick="openClose(\'settings_mathjax_expanded\'); openClose(\'settings_mathjax_inflated\');">';
|
|
$s .= '<h3>MathJax '.L10n::t('Settings').'</h3>';
|
|
$s .= '</span>';
|
|
$s .= '<p>'.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.').'</p>';
|
|
$s .= '<label id="mathjax_label" for="mathjax_use">'.L10n::t('Use the MathJax renderer').'</label>';
|
|
$s .= '<input id="mathjax_use" type="checkbox" name="mathjax_use" value="1"'. $usetext .' />';
|
|
$s .= '<div class="clear"></div>';
|
|
|
|
$s .= '<div class="settings-submit-wrapper" ><input type="submit" id="mathjax-submit" name="mathjax-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
|
|
$s .= '</div>';
|
|
}
|
|
/* we need to add one JavaScript include command to the html output
|
|
* note that you have to check the jsmath/easy/load.js too.
|
|
*/
|
|
function mathjax_page_header($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()) {
|
|
$b .= '<script type="text/javascript" src="'.$url.'" async></script>';
|
|
} else {
|
|
$use = PConfig::get(local_user(),'mathjax','use');
|
|
if ($use) {
|
|
$b .= '<script type="text/javascript" src="'.$url.'" async></script>';
|
|
}
|
|
}
|
|
}
|
|
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']
|
|
]);
|
|
}
|