472 lines
9.6 KiB
PHP
472 lines
9.6 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly
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}
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if ( ! class_exists( 'acf_form_customizer' ) ) :
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#[AllowDynamicProperties]
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class acf_form_customizer {
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/*
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* __construct
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*
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* This function will setup the class functionality
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*
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* @type function
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* @date 5/03/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return n/a
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*/
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function __construct() {
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// vars
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$this->preview_values = array();
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$this->preview_fields = array();
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$this->preview_errors = array();
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// actions
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add_action( 'customize_controls_init', array( $this, 'customize_controls_init' ) );
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add_action( 'customize_preview_init', array( $this, 'customize_preview_init' ), 1, 1 );
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add_action( 'customize_save', array( $this, 'customize_save' ), 1, 1 );
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// save
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add_filter( 'widget_update_callback', array( $this, 'save_widget' ), 10, 4 );
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}
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/*
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* admin_enqueue_scripts
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*
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* This action is run after post query but before any admin script / head actions.
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* It is a good place to register all actions.
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*
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* @type action (admin_enqueue_scripts)
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* @date 26/01/13
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* @since 3.6.0
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*
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* @param N/A
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* @return N/A
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*/
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function customize_controls_init() {
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// load acf scripts
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acf_enqueue_scripts(
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array(
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'context' => 'customize_controls',
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)
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);
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// actions
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add_action( 'acf/input/admin_footer', array( $this, 'admin_footer' ), 1 );
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}
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/*
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* save_widget
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*
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* This function will hook into the widget update filter and save ACF data
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*
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* @type function
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* @date 27/05/2015
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* @since 5.2.3
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*
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* @param $instance (array) widget settings
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* @param $new_instance (array) widget settings
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* @param $old_instance (array) widget settings
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* @param $widget (object) widget info
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* @return $instance
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*/
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function save_widget( $instance, $new_instance, $old_instance, $widget ) {
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// bail early if not valid (customize + acf values + nonce)
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if ( ! isset( $_POST['wp_customize'] ) || ! isset( $new_instance['acf'] ) || ! acf_verify_nonce( 'widget' ) ) {
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return $instance;
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}
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// vars
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$data = array(
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'post_id' => "widget_{$widget->id}",
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'values' => array(),
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'fields' => array(),
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);
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// append values
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$data['values'] = $new_instance['acf'];
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// append fields (name => key relationship) - used later in 'acf/get_field_reference' for customizer previews
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foreach ( $data['values'] as $k => $v ) {
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// get field
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$field = acf_get_field( $k );
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// continue if no field
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if ( ! $field ) {
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continue;
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}
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// update
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$data['fields'][ $field['name'] ] = $field['key'];
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}
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// append data to instance
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$instance['acf'] = $data;
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// return
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return $instance;
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}
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/*
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* settings
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*
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* This function will return an array of cutomizer settings that include ACF data
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* similar to `$customizer->settings();`
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*
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* @type function
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* @date 22/03/2016
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* @since 5.3.2
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*
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* @param $customizer (object)
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* @return $value (mixed)
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*/
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function settings( $customizer ) {
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// vars
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$data = array();
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$settings = $customizer->settings();
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// bail early if no settings
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if ( empty( $settings ) ) {
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return false;
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}
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// loop over settings
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foreach ( $settings as $setting ) {
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// vars
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$id = $setting->id;
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// verify settings type
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if ( substr( $id, 0, 6 ) == 'widget' || substr( $id, 0, 7 ) == 'nav_menu' ) {
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// allow
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} else {
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continue;
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}
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// get value
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$value = $setting->post_value();
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// bail early if no acf
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if ( ! is_array( $value ) || ! isset( $value['acf'] ) ) {
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continue;
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}
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// set data
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$setting->acf = $value['acf'];
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// append
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$data[] = $setting;
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}
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// bail early if no settings
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if ( empty( $data ) ) {
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return false;
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}
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// return
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return $data;
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}
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/*
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* customize_preview_init
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*
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* This function is called when customizer preview is initialized
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*
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* @type function
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* @date 22/03/2016
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* @since 5.3.2
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*
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* @param $customizer (object)
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* @return n/a
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*/
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function customize_preview_init( $customizer ) {
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// get customizer settings (widgets)
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$settings = $this->settings( $customizer );
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// bail early if no settings
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if ( empty( $settings ) ) {
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return;
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}
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// append values
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foreach ( $settings as $setting ) {
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// get acf data
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$data = $setting->acf;
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// append acf_value to preview_values
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$this->preview_values[ $data['post_id'] ] = $data['values'];
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$this->preview_fields[ $data['post_id'] ] = $data['fields'];
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}
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// bail early if no preview_values
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if ( empty( $this->preview_values ) ) {
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return;
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}
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// add filters
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add_filter( 'acf/pre_load_value', array( $this, 'pre_load_value' ), 10, 3 );
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add_filter( 'acf/pre_load_reference', array( $this, 'pre_load_reference' ), 10, 3 );
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}
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/**
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* pre_load_value
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*
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* Used to inject preview value
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*
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* @date 2/2/18
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* @since 5.6.5
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*
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* @param type $var Description. Default.
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* @return type Description.
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*/
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function pre_load_value( $value, $post_id, $field ) {
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// check
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if ( isset( $this->preview_values[ $post_id ][ $field['key'] ] ) ) {
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return $this->preview_values[ $post_id ][ $field['key'] ];
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}
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// return
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return $value;
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}
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/**
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* pre_load_reference
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*
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* Used to inject preview value
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*
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* @date 2/2/18
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* @since 5.6.5
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*
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* @param type $var Description. Default.
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* @return type Description.
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*/
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function pre_load_reference( $field_key, $field_name, $post_id ) {
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// check
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if ( isset( $this->preview_fields[ $post_id ][ $field_name ] ) ) {
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return $this->preview_fields[ $post_id ][ $field_name ];
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}
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// return
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return $field_key;
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}
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/*
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* customize_save
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*
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* This function is called when customizer saves a widget.
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* Normally, the widget_update_callback filter would be used, but the customizer disables this and runs a custom action
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* class-customizer-settings.php will save the widget data via the function set_root_value which uses update_option
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*
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* @type function
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* @date 22/03/2016
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* @since 5.3.2
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*
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* @param $customizer (object)
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* @return n/a
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*/
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function customize_save( $customizer ) {
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// get customizer settings (widgets)
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$settings = $this->settings( $customizer );
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// bail early if no settings
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if ( empty( $settings ) ) {
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return;
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}
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// append values
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foreach ( $settings as $setting ) {
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// get acf data
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$data = $setting->acf;
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// save acf data
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acf_save_post( $data['post_id'], $data['values'] );
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// remove [acf] data from saved widget array
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$id_data = $setting->id_data();
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add_filter( 'pre_update_option_' . $id_data['base'], array( $this, 'pre_update_option' ), 10, 3 );
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}
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}
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/*
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* pre_update_option
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*
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* this function will remove the [acf] data from widget insance
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*
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* @type function
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* @date 22/03/2016
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* @since 5.3.2
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function pre_update_option( $value, $option, $old_value ) {
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// bail early if no value
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if ( empty( $value ) ) {
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return $value;
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}
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// loop over widgets
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// WP saves all widgets (of the same type) as an array of widgets
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foreach ( $value as $i => $widget ) {
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// bail early if no acf
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if ( ! isset( $widget['acf'] ) ) {
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continue;
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}
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// remove widget
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unset( $value[ $i ]['acf'] );
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}
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// return
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return $value;
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}
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/*
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* admin_footer
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*
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* This function will add some custom HTML to the footer of the edit page
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*
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* @type function
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* @date 11/06/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return n/a
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*/
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function admin_footer() {
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?>
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<script type="text/javascript">
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(function($) {
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// customizer saves widget on any input change, so unload is not needed
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acf.unload.active = 0;
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// hack customizer function to remove bug caused by WYSIWYG field using aunique ID
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// customizer compares returned AJAX HTML with the HTML of the widget form.
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// the _getInputsSignature() function is used to generate a string based of input name + id.
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// because ACF generates a unique ID on the WYSIWYG field, this string will not match causing the preview function to bail.
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// an attempt was made to remove the WYSIWYG unique ID, but this caused multiple issues in the wp-admin and altimately doesn't make sense with the tinymce rule that all editors must have a unique ID.
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// source: wp-admin/js/customize-widgets.js
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// vars
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var WidgetControl = wp.customize.Widgets.WidgetControl.prototype;
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// backup functions
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WidgetControl.__getInputsSignature = WidgetControl._getInputsSignature;
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WidgetControl.__setInputState = WidgetControl._setInputState;
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// modify __getInputsSignature
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WidgetControl._getInputsSignature = function( inputs ) {
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// vars
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var signature = this.__getInputsSignature( inputs );
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safe = [];
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// split
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signature = signature.split(';');
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// loop
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for( var i in signature ) {
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// vars
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var bit = signature[i];
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// bail early if acf is found
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if( bit.indexOf('acf') !== -1 ) continue;
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// append
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safe.push( bit );
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}
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// update
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signature = safe.join(';');
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// return
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return signature;
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};
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// modify _setInputState
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// this function deosn't seem to run on widget title/content, only custom fields
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// either way, this function is not needed and will break ACF fields
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WidgetControl._setInputState = function( input, state ) {
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return true;
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};
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})(jQuery);
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</script>
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<?php
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}
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}
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new acf_form_customizer();
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endif;
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?>
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