/**
* prints a list of records called by a shortcode
*
* this function is called statically to instantiate the PDb_List object,
* which captures the output and returns it for display
*
* @param array $shortcode_atts parameters passed by the shortcode
* @return string form HTML
*/
public static function get_list($shortcode_atts)
{
self::$instance = new PDb_List($shortcode_atts);
return self::$instance->output;
}
/**
* provides the list output from an AJAX search
*
* @param object $post the current post object
* @param int $instance the instance index of the targeted list
* @return null
*/
private static function print_list_search_result($post, $instance)
{
/*
* get the attributes array; these values were saved in the session array by
* the Shortcode class when it was instantiated
*/
$session = self::$session->getArray('shortcode_atts');
$shortcode_atts = $session[$post->ID]['list'][$instance];
if (!is_array($shortcode_atts)) {
printf('session for list instance %s not found', $instance);
return;
}
// add the AJAX filtering flag
$shortcode_atts['filtering'] = 1;
$shortcode_atts['module'] = 'list';
// output the filtered shortcode content
header("Content-Type:\ttext/html");
echo PDb_List::get_list($shortcode_atts);
return;
}
/**
* prints the list with filtering parameters applied
*
* called by the wp_ajax_nopriv_pdb_list_filter action: this happens when a
* user submits a search or sort on a record list
*
* @return null
*/
public static function pdb_list_filter()
{
if (!wp_verify_nonce($_POST['filterNonce'], self::$prefix . 'list-filter-nonce')) {
die('nonce check failed');
}
global $post;
if (!is_object($post)) {
$post = get_post($_POST['postID']);
}
/*
* get the attributes array; these values were saved in the session array by
* the Shortcode class when it was instantiated
*/
$shortcode_atts = self::$session->get(self::$prefix . 'shortcode_atts');
$atts = $shortcode_atts['list'][$_POST['instance_index']] !== false ? $shortcode_atts['list'][$_POST['instance_index']] : current($shortcode_atts['list']);
// add the AJAX filtering flag
$atts['filtering'] = 1;
$atts['module'] = 'list';
// output the filtered shortcode content
header("Content-Type:\ttext/html");
echo PDb_List::get_list($atts);
exit;
}