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<?php
/**
* CMBRE2 Helper Functions
*
* @category WordPress_Plugin
* @package CMBRE2
* @author WebDevStudios
* @license GPL-2.0+
* @link http://webdevstudios.com
*/
/**
* Helper function to provide directory path to CMBRE2
* @since 2.0.0
* @param string $path Path to append
* @return string Directory with optional path appended
*/
if ( ! defined( 'WPINC' ) ) exit;
if( !function_exists('cmbre2_dir')){
function cmbre2_dir( $path = '' ) {
return CMBRE2_DIR . $path;
}
}
/**
* Autoloads files with CMBRE2 classes when needed
* @since 1.0.0
* @param string $class_name Name of the class being requested
*/
function cmbre2_autoload_classes( $class_name ) {
if ( 0 !== strpos( $class_name, 'CMBRE2' ) && 0 !== strpos( $class_name, 'CMBRE2' ) ) {
return;
}
include_once( cmbre2_dir( "includes/{$class_name}.php" ) );
}
/**
* Get instance of the CMBRE2_Utils class
* @since 2.0.0
* @return CMBRE2_Utils object CMBRE2 utilities class
*/
function cmbre2_utils() {
static $cmbre2_utils;
$cmbre2_utils = $cmbre2_utils ? $cmbre2_utils : new CMBRE2_Utils();
return $cmbre2_utils;
}
/**
* Get instance of the CMBRE2_Ajax class
* @since 2.0.0
* @return CMBRE2_Ajax object CMBRE2 utilities class
*/
function cmbre2_ajax() {
static $cmbre2_ajax;
$cmbre2_ajax = $cmbre2_ajax ? $cmbre2_ajax : new CMBRE2_Ajax();
return $cmbre2_ajax;
}
/**
* Get instance of the CMBRE2_Option class for the passed metabox ID
* @since 2.0.0
* @return CMBRE2_Option object Options class for setting/getting options for metabox
*/
function cmbre2_options( $key ) {
return CMBRE2_Options::get( $key );
}
/**
* Get a cmb oEmbed. Handles oEmbed getting for non-post objects
* @since 2.0.0
* @param array $args Arguments. Accepts:
*
* 'url' - URL to retrieve the oEmbed from,
* 'object_id' - $post_id,
* 'object_type' - 'post',
* 'oembed_args' - $embed_args, // array containing 'width', etc
* 'field_id' - false,
* 'cache_key' - false,
*
* @return string oEmbed string
*/
function cmbre2_get_oembed( $args = array() ) {
return cmbre2_ajax()->get_oembed( $args );
}
/**
* A helper function to get an option from a CMBRE2 options array
* @since 1.0.1
* @param string $option_key Option key
* @param string $field_id Option array field key
* @return array Options array or specific field
*/
function cmbre2_get_option( $option_key, $field_id = '' ) {
return cmbre2_options( $option_key )->get( $field_id );
}
/**
* A helper function to update an option in a CMBRE2 options array
* @since 2.0.0
* @param string $option_key Option key
* @param string $field_id Option array field key
* @param mixed $value Value to update data with
* @param boolean $single Whether data should not be an array
* @return boolean Success/Failure
*/
function cmbre2_update_option( $option_key, $field_id, $value, $single = true ) {
if ( cmbre2_options( $option_key )->update( $field_id, $value, false, $single ) ) {
return cmbre2_options( $option_key )->set();
}
return false;
}
/**
* Get a CMBRE2 field object.
* @since 1.1.0
* @param array $meta_box Metabox ID or Metabox config array
* @param array $field_id Field ID or all field arguments
* @param int $object_id Object ID
* @param string $object_type Type of object being saved. (e.g., post, user, comment, or options-page).
* Defaults to metabox object type.
* @return CMBRE2_Field|null CMBRE2_Field object unless metabox config cannot be found
*/
function cmbre2_get_field( $meta_box, $field_id, $object_id = 0, $object_type = '' ) {
$object_id = $object_id ? $object_id : get_the_ID();
$cmb = $meta_box instanceof CMBRE2 ? $meta_box : cmbre2_get_metabox( $meta_box, $object_id );
if ( ! $cmb ) {
return;
}
$cmb->object_type( $object_type ? $object_type : $cmb->mb_object_type() );
return $cmb->get_field( $field_id );
}
/**
* Get a field's value.
* @since 1.1.0
* @param array $meta_box Metabox ID or Metabox config array
* @param array $field_id Field ID or all field arguments
* @param int $object_id Object ID
* @param string $object_type Type of object being saved. (e.g., post, user, comment, or options-page).
* Defaults to metabox object type.
* @return mixed Maybe escaped value
*/
function cmbre2_get_field_value( $meta_box, $field_id, $object_id = 0, $object_type = '' ) {
$field = cmbre2_get_field( $meta_box, $field_id, $object_id, $object_type );
return $field->escaped_value();
}
/**
* Because OOP can be scary
* @since 2.0.2
* @param array $meta_box_config Metabox Config array
* @return CMBRE2 object Instantiated CMBRE2 object
*/
function new_cmbre2_box( array $meta_box_config ) {
return cmbre2_get_metabox( $meta_box_config );
}
if(!function_exists("new_cmb2_box")){
/* TODO fix legacy mode */
function new_cmb2_box( array $meta_box_config ) {
return cmbre2_get_metabox( $meta_box_config );
}
}
/**
* Retrieve a CMBRE2 instance by the metabox ID
* @since 2.0.0
* @param mixed $meta_box Metabox ID or Metabox config array
* @param int $object_id Object ID
* @param string $object_type Type of object being saved. (e.g., post, user, comment, or options-page).
* Defaults to metabox object type.
* @return CMBRE2 object
*/
function cmbre2_get_metabox( $meta_box, $object_id = 0, $object_type = '' ) {
if ( $meta_box instanceof CMBRE2 ) {
return $meta_box;
}
if ( is_string( $meta_box ) ) {
$cmb = CMBRE2_Boxes::get( $meta_box );
} else {
// See if we already have an instance of this metabox
$cmb = CMBRE2_Boxes::get( $meta_box['id'] );
// If not, we'll initate a new metabox
$cmb = $cmb ? $cmb : new CMBRE2( $meta_box, $object_id );
}
if ( $cmb && $object_id ) {
$cmb->object_id( $object_id );
}
if ( $cmb && $object_type ) {
$cmb->object_type( $object_type );
}
return $cmb;
}
/**
* Returns array of sanitized field values from a metabox (without saving them)
* @since 2.0.3
* @param mixed $meta_box Metabox ID or Metabox config array
* @param array $data_to_sanitize Array of field_id => value data for sanitizing (likely $_POST data).
* @return mixed Array of sanitized values or false if no CMBRE2 object found
*/
function cmbre2_get_metabox_sanitized_values( $meta_box, array $data_to_sanitize ) {
$cmb = cmbre2_get_metabox( $meta_box );
return $cmb ? $cmb->get_sanitized_values( $data_to_sanitize ) : false;
}
/**
* Retrieve a metabox form
* @since 2.0.0
* @param mixed $meta_box Metabox config array or Metabox ID
* @param int $object_id Object ID
* @param array $args Optional arguments array
* @return string CMBRE2 html form markup
*/
function cmbre2_get_metabox_form( $meta_box, $object_id = 0, $args = array() ) {
$object_id = $object_id ? $object_id : get_the_ID();
$cmb = cmbre2_get_metabox( $meta_box, $object_id );
ob_start();
// Get cmb form
cmbre2_print_metabox_form( $cmb, $object_id, $args );
$form = ob_get_contents();
ob_end_clean();
return apply_filters( 'cmbre2_get_metabox_form', $form, $object_id, $cmb );
}
/**
* Display a metabox form & save it on submission
* @since 1.0.0
* @param mixed $meta_box Metabox config array or Metabox ID
* @param int $object_id Object ID
* @param array $args Optional arguments array
*/
function cmbre2_print_metabox_form( $meta_box, $object_id = 0, $args = array() ) {
$object_id = $object_id ? $object_id : get_the_ID();
$cmb = cmbre2_get_metabox( $meta_box, $object_id );
// if passing a metabox ID, and that ID was not found
if ( ! $cmb ) {
return;
}
$args = wp_parse_args( $args, array(
'form_format' => '<form class="cmb-form" method="post" id="%1$s" enctype="multipart/form-data" encoding="multipart/form-data"><input type="hidden" name="object_id" value="%2$s">%3$s<input type="submit" name="submit-cmb" value="%4$s" class="button-primary"></form>',
'save_button' => 'Save',
'object_type' => $cmb->mb_object_type(),
'enqueue_js' => true,
) );
// Set object type explicitly (rather than trying to guess from context)
$cmb->object_type( $args['object_type'] );
// Save the metabox if it's been submitted
// check permissions
// @todo more hardening?
if (
$cmb->prop( 'save_fields' )
// check nonce
&& isset( $_POST['submit-cmb'], $_POST['object_id'], $_POST[ $cmb->nonce() ] )
&& wp_verify_nonce( $_POST[ $cmb->nonce() ], $cmb->nonce() )
&& $object_id && $_POST['object_id'] == $object_id
) {
$cmb->save_fields( $object_id, $cmb->object_type(), $_POST );
}
// Enqueue JS/CSS
if ( $cmb->prop( 'cmb_styles' ) ) {
CMBRE2_hookup::enqueue_cmb_css();
}
if ( $args['enqueue_js'] ) {
CMBRE2_hookup::enqueue_cmb_js();
}
$form_format = apply_filters( 'cmbre2_get_metabox_form_format', $args['form_format'], $object_id, $cmb );
$format_parts = explode( '%3$s', $form_format );
// Show cmb form
printf( $format_parts[0], $cmb->cmb_id, $object_id );
$cmb->show_form();
if ( isset( $format_parts[1] ) && $format_parts[1] ) {
printf( str_ireplace( '%4$s', '%1$s', $format_parts[1] ), $args['save_button'] );
}
}
/**
* Display a metabox form (or optionally return it) & save it on submission
* @since 1.0.0
* @param mixed $meta_box Metabox config array or Metabox ID
* @param int $object_id Object ID
* @param array $args Optional arguments array
*/
function cmbre2_metabox_form( $meta_box, $object_id = 0, $args = array() ) {
if ( ! isset( $args['echo'] ) || $args['echo'] ) {
cmbre2_print_metabox_form( $meta_box, $object_id, $args );
} else {
return cmbre2_get_metabox_form( $meta_box, $object_id, $args );
}
}