forked from friendica/friendica-addons
80 lines
3.1 KiB
PHP
80 lines
3.1 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\Addon;
|
|
use Friendica\Core\L10n;
|
|
use Friendica\Core\PConfig;
|
|
|
|
function mathjax_install()
|
|
{
|
|
Addon::registerHook('footer' , __FILE__, 'mathjax_footer');
|
|
Addon::registerHook('addon_settings' , __FILE__, 'mathjax_settings');
|
|
Addon::registerHook('addon_settings_post', __FILE__, 'mathjax_settings_post');
|
|
}
|
|
|
|
function mathjax_uninstall()
|
|
{
|
|
Addon::unregisterHook('footer' , __FILE__, 'mathjax_footer');
|
|
Addon::unregisterHook('addon_settings' , __FILE__, 'mathjax_settings');
|
|
Addon::unregisterHook('addon_settings_post', __FILE__, 'mathjax_settings_post');
|
|
|
|
// Legacy hooks
|
|
Addon::unregisterHook('load_config' , __FILE__, 'mathjax_load_config');
|
|
Addon::unregisterHook('page_header' , __FILE__, 'mathjax_page_header');
|
|
Addon::unregisterHook('template_vars' , __FILE__, 'mathjax_template_vars');
|
|
}
|
|
|
|
function mathjax_settings_post($a)
|
|
{
|
|
if (!local_user()) {
|
|
return;
|
|
}
|
|
|
|
if (empty($_POST['mathjax-submit'])) {
|
|
return;
|
|
}
|
|
|
|
PConfig::set(local_user(), 'mathjax', 'use', intval($_POST['mathjax_use']));
|
|
}
|
|
|
|
function mathjax_settings(App $a, &$s)
|
|
{
|
|
if (!local_user()) {
|
|
return;
|
|
}
|
|
|
|
$use = PConfig::get(local_user(), 'mathjax', 'use', false);
|
|
$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>';
|
|
}
|
|
|
|
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() || PConfig::get(local_user(), 'mathjax', 'use', false)) {
|
|
$a->registerFooterScript(__DIR__ . '/asset/MathJax.js?config=TeX-MML-AM_CHTML');
|
|
$a->registerFooterScript(__DIR__ . '/mathjax.js');
|
|
}
|
|
}
|