/**
* add includes (js and css) into uploaded files
* before returning them, useful for themes and utf.js includes
*
* @global object
* @param string $text text to search and replace
* @return string text with added head includes
*/
function file_modify_html_header($text)
{
// first look for <head> tag
global $CFG;
$stylesheetshtml = '';
foreach ($CFG->stylesheets as $stylesheet) {
$stylesheetshtml .= '<link rel="stylesheet" type="text/css" href="' . $stylesheet . '" />' . "\n";
}
$ufo = '';
if (filter_is_enabled('filter/mediaplugin')) {
// this script is needed by most media filter plugins.
$ufo = ajax_get_link_to_script($CFG->wwwroot . '/lib/ufo.js');
}
preg_match('/\\<head\\>|\\<HEAD\\>/', $text, $matches);
if ($matches) {
$replacement = '<head>' . $ufo . $stylesheetshtml;
$text = preg_replace('/\\<head\\>|\\<HEAD\\>/', $replacement, $text, 1);
return $text;
}
// if not, look for <html> tag, and stick <head> right after
preg_match('/\\<html\\>|\\<HTML\\>/', $text, $matches);
if ($matches) {
// replace <html> tag with <html><head>includes</head>
$replacement = '<html>' . "\n" . '<head>' . $ufo . $stylesheetshtml . '</head>';
$text = preg_replace('/\\<html\\>|\\<HTML\\>/', $replacement, $text, 1);
return $text;
}
// if not, look for <body> tag, and stick <head> before body
preg_match('/\\<body\\>|\\<BODY\\>/', $text, $matches);
if ($matches) {
$replacement = '<head>' . $ufo . $stylesheetshtml . '</head>' . "\n" . '<body>';
$text = preg_replace('/\\<body\\>|\\<BODY\\>/', $replacement, $text, 1);
return $text;
}
// if not, just stick a <head> tag at the beginning
$text = '<head>' . $ufo . $stylesheetshtml . '</head>' . "\n" . $text;
return $text;
}
public function get_html()
{
return ajax_get_link_to_script($this->url);
}