public function filter($text, array $options = array())
{
$n0 = stripos($text, '«math');
$n1 = stripos($text, '<math');
$n2 = stripos($text, '«applet');
if ($n0 === false && $n1 === false && $n2 === false) {
// Nothing to do
return $text;
}
require_once "wirispluginwrapper.php";
$wirisplugin = new WIRISpluginWrapper();
if (!$wirisplugin->is_installed()) {
return $text;
}
$wirisplugin->begin();
$textservice = $wirisplugin->get_instance()->newTextService();
$query = '';
global $COURSE;
if (isset($COURSE->id)) {
$query .= '?course=' . $COURSE->id;
}
if (isset($COURSE->category)) {
$query .= empty($query) ? '?' : '/';
$query .= 'category=' . $COURSE->category;
}
$prop['refererquery'] = $query;
$prop['savemode'] = 'safeXml';
// safeXml filtering.
$text = $textservice->filter($text, $prop);
$prop['savemode'] = 'xml';
// xml filtering.
$text = $textservice->filter($text, $prop);
$wirisplugin->end();
return $text;
}
// tinymce plugin allways installed on Moodle 2.4 and 2.5
set_config('uninstall', 'tinymce_tiny_mce_wiris', get_config('filter_wiris', 'uninstall'));
}
}
}
if ($wirisplugin->is_installed()) {
//Editor and CAS checkbox
$output = '';
$wirisplugin->begin();
$was_editor_enabled = $wirisplugin->was_editor_enabled();
$was_cas_enabled = $wirisplugin->was_cas_enabled();
$was_chem_editor_enabled = $wirisplugin->was_chem_editor_enabled();
$conf = $wirisplugin->get_instance()->getConfiguration();
$cache = $conf->getProperty("wiriscachedirectory", null);
$formula = $conf->getProperty("wirisformuladirectory", null);
$wirisplugin->end();
//Text to be shown when editor and cas are disabled in MoodleConfigurationUpdater
if (!$was_editor_enabled) {
$output = '<div class="form-item clearfix">' . '<div class="form-label" style="color:#aaaaaa;" >WIRIS editor<span class="form-shortname" style="color:#aaaaaa;">' . 'filter_wiris_editor_enable</span></div><div class="form-setting"><div class="form-checkbox defaultsnext">' . '<input type="checkbox" disabled="disabled"></div></div><div class="form-description"></div></div>';
}
/* if (!$was_cas_enabled) {
$output .= '<div class="form-item clearfix"><div class="form-label" style="color:#aaaaaa;">WIRIS cas'.
'<span class="form-shortname" style="color:#aaaaaa;">filter_wiris_cas_enable</span></div><div class="form-setting">'.
'<div class="form-checkbox defaultsnext"><input type="checkbox" disabled="disabled"></div></div>'.
'<div class="form-description"></div></div>';
} */
$settings->add(new admin_setting_heading('filter_wiris_disabled', '', $output));
$output = '';
if ($was_editor_enabled) {
$settings->add(new admin_setting_configcheckbox('filter_wiris_editor_enable', get_string('wirismatheditor', 'filter_wiris'), '', '1'));
} else {
