Current File : /home/emergentqj/antanimora/wp-content/plugins/td-composer/legacy/common/wp_booster//td_js_buffer.php
<?php
class td_js_buffer {
private static $js_header_buffer = '';
private static $js_wp_admin_buffer = ''; //js buffer that is echoed to wp-admin - it will be outputed after the variables
private static $js_variables_buffer = ''; // the variable buffer is rendered in header_buffer or wp_admin buffer
private static $js_footer_buffer = ''; //js buffer for the footer
private static $js_header_buffer_rendered = false;
private static $js_footer_buffer_rendered = false;
private static $js_wp_admin_buffer_rendered = false;
/**
* add custom js to the header section of the site
* @param $js
* @throws ErrorException
*/
static function add_to_header($js) {
if (self::$js_header_buffer_rendered === true) {
throw new ErrorException("td_js_buffer::add_to_header - the header JS was already rendered when you called td_js_buffer::add_to_header() (ex: was called to late)");
}
self::$js_header_buffer .= "\n" . $js;
}
/**
* add custom javascript to wp_admin footer -
* @NOTICE: the theme ALREADY OUTPUTS ALL THE JS VARIABLES IN THE wp-admin
* @param $js
* @throws ErrorException
*/
static function add_to_wp_admin_footer($js) {
if (self::$js_wp_admin_buffer_rendered === true) {
throw new ErrorException("td_js_buffer::add_to_wp_admin_footer - the header JS was already rendered when you called td_js_buffer::add_to_wp_admin_footer() (ex: was called to late)");
}
self::$js_wp_admin_buffer .= "\n" . $js;
}
/**
* Add custom javascript to the footer section of the site
* @param $js
* @throws ErrorException
*/
static function add_to_footer($js) {
if (self::$js_footer_buffer_rendered === true) {
throw new ErrorException("td_js_buffer::add_to_footer - the header JS was already rendered when you called td_js_buffer::add_to_footer() (ex: was called to late)");
}
self::$js_footer_buffer .= "\n" . $js;
}
/**
* add variables to the header of the site + in the wp-admin footer section
* @param $var string the full javascript name
* @param $value mixed the value to assign to the javascript variable - the value is json_encode'd
*/
static function add_variable($var, $value) {
self::$js_variables_buffer .= "\n" .'var ' . $var . '=' . json_encode($value) . ';';
}
/* ----------------------------------------------------------------------------------------------------
helper functions to render the buffers in wp hooks + keep the static class
*/
static function _render_header() { //renders the variables + custom js
self::$js_header_buffer_rendered = true;
return "\n<!-- JS generated by theme -->" . "\n\n<script>\n " . self::$js_header_buffer . self::$js_variables_buffer . "\n</script>\n\n";
}
static function _render_footer() { //renders the footer js
self::$js_footer_buffer_rendered = true;
return "\n<!-- JS generated by theme -->" . "\n\n<script>\n " . self::$js_footer_buffer . "\n</script>\n\n";
}
static function _render_wp_admin_footer() { //renders only the variables - used in wp-admin
self::$js_wp_admin_buffer_rendered = true;
return "\n<!-- JS generated by theme -->" . "\n\n<script>\n " . self::$js_variables_buffer . "\n" . self::$js_wp_admin_buffer . "\n</script>\n\n";
}
}
function td_js_buffer_render() {
echo td_js_buffer::_render_header();
}
function td_js_render_wp_admin_footer() {
echo td_js_buffer::_render_wp_admin_footer();
}
function td_js_buffer_footer_render() {
echo td_js_buffer::_render_footer();
}
//load the entire js in front end
add_action('wp_head', 'td_js_buffer_render', 15);
//load only the variables in wp-admin
add_action('admin_footer', 'td_js_render_wp_admin_footer', 15);
//load the footer js
add_action('wp_footer', 'td_js_buffer_footer_render', 100);
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