75 lines
3.6 KiB
PHP
75 lines
3.6 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Name: MathJax
|
|
* Description: Addon for Friendika to include MathJax (LaTeX math syntax)
|
|
* Version: 1.0
|
|
* Author: Tobias Diekershoff <http://diekershoff.homeunix.net/friendika/profile/tobias>
|
|
* License: 3-clause BSD license
|
|
*/
|
|
|
|
function mathjax_install() {
|
|
register_hook('page_header', 'addon/mathjax/mathjax.php', 'mathjax_page_header');
|
|
register_hook('plugin_settings', 'addon/mathjax/mathjax.php', 'mathjax_settings');
|
|
register_hook('plugin_settings_post', 'addon/mathjax/mathjax.php', 'mathjax_settings_post');
|
|
logger('installed js_math plugin');
|
|
}
|
|
function mathjax_uninstall() {
|
|
unregister_hook('page_header', 'addon/mathjax/mathjax.php', 'mathjax_page_header');
|
|
unregister_hook('plugin_settings', 'addon/mathjax/mathjax.php', 'mathjax_settings');
|
|
unregister_hook('plugin_settings_post', 'addon/mathjax/mathjax.php', 'mathjax_settings_post');
|
|
}
|
|
function mathjax_settings_post ($a, $post) {
|
|
if (! local_user())
|
|
return;
|
|
// don't check statusnet settings if statusnet submit button is not clicked
|
|
if (!x($_POST,'mathjax-submit'))
|
|
return;
|
|
set_pconfig(local_user(),'mathjax','use',intval($_POST['mathjax_use']));
|
|
}
|
|
function mathjax_settings (&$a, &$s) {
|
|
if (! local_user())
|
|
return;
|
|
$use = get_pconfig(local_user(),'mathjax','use');
|
|
$usetext = (($use) ? ' checked="checked" ' : '');
|
|
$s .= '<div class="settings-block">';
|
|
$s .= '<h3>MathJax '.t('Settings').'</h3>';
|
|
$s .= '<p>'.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">'.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="' . t('Submit') . '" /></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 = get_config ('mathjax','baseurl','http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML');
|
|
if (! local_user()) {
|
|
$b .= '<script type="text/javascript" src="'.$url.'"></script>';
|
|
} else {
|
|
$use = get_pconfig(local_user(),'mathjax','use');
|
|
if ($use) {
|
|
$b .= '<script type="text/javascript" src="'.$url.'"></script>';
|
|
}
|
|
}
|
|
}
|
|
function mathjax_plugin_admin_post (&$a) {
|
|
$baseurl = ((x($_POST, 'baseurl')) ? trim($_POST['baseurl']) : 'http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML');
|
|
set_config('mathjax','baseurl',$baseurl);
|
|
info( t('Settings updated.'). EOL);
|
|
}
|
|
function mathjax_plugin_admin (&$a, &$o) {
|
|
$t = file_get_contents( dirname(__file__)."/admin.tpl");
|
|
if (get_config('mathjax','baseurl','') == '') {
|
|
set_config('mathjax','baseurl','http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML');
|
|
}
|
|
$o = replace_macros( $t, array(
|
|
'$baseurl' => array('baseurl', t('MathJax Base URL'), get_config('mathjax','baseurl' ), 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.')),
|
|
));
|
|
}
|