<?php
if (!defined('ABSPATH')) {
exit;
}
if (!class_exists('acf_form_customizer')) {
class acf_form_customizer
{
function __construct()
{
$this->preview_values = array();
$this->preview_fields = array();
$this->preview_errors = array();
add_action('customize_controls_init', array($this, 'customize_controls_init'));
add_action('customize_preview_init', array($this, 'customize_preview_init'), 1, 1);
add_action('customize_save', array($this, 'customize_save'), 1, 1);
add_filter('widget_update_callback', array($this, 'save_widget'), 10, 4);
}
function customize_controls_init()
{
acf_enqueue_scripts(array('context' => 'customize_controls'));
add_action('acf/input/admin_footer', array($this, 'admin_footer'), 1);
}
function save_widget($instance, $new_instance, $old_instance, $widget)
{
if (!isset($_POST['wp_customize']) || !isset($new_instance['acf']) || !acf_verify_nonce('widget')) {
return $instance;
}
$data = array('post_id' => "widget_{$widget->id}", 'values' => array(), 'fields' => array());
$data['values'] = $new_instance['acf'];
foreach ($data['values'] as $k => $v) {
$field = acf_get_field($k);
if (!$field) {
continue;
}
$data['fields'][$field['name']] = $field['key'];
}
$instance['acf'] = $data;
return $instance;
}
function settings($customizer)
{
$data = array();
$settings = $customizer->settings();
if (empty($settings)) {
return false;
}
foreach ($settings as $setting) {
$id = $setting->id;
if (substr($id, 0, 6) == 'widget' || substr($id, 0, 7) == 'nav_menu') {
} else {
continue;
}
$value = $setting->post_value();
if (!is_array($value) || !isset($value['acf'])) {
continue;
}
$setting->acf = $value['acf'];
$data[] = $setting;
}
if (empty($data)) {
return false;
}
return $data;
}
function customize_preview_init($customizer)
{
$settings = $this->settings($customizer);
if (empty($settings)) {
return;
}
foreach ($settings as $setting) {
$data = $setting->acf;
$this->preview_values[$data['post_id']] = $data['values'];
$this->preview_fields[$data['post_id']] = $data['fields'];
}
if (empty($this->preview_values)) {
return;
}
add_filter('acf/pre_load_value', array($this, 'pre_load_value'), 10, 3);
add_filter('acf/pre_load_reference', array($this, 'pre_load_reference'), 10, 3);
}
function pre_load_value($value, $post_id, $field)
{
if (isset($this->preview_values[$post_id][$field['key']])) {
return $this->preview_values[$post_id][$field['key']];
}
return $value;
}
function pre_load_reference($field_key, $field_name, $post_id)
{
if (isset($this->preview_fields[$post_id][$field_name])) {
return $this->preview_fields[$post_id][$field_name];
}
return $field_key;
}
function customize_save($customizer)
{
$settings = $this->settings($customizer);
if (empty($settings)) {
return;
}
foreach ($settings as $setting) {
$data = $setting->acf;
acf_save_post($data['post_id'], $data['values']);
$id_data = $setting->id_data();
add_filter('pre_update_option_' . $id_data['base'], array($this, 'pre_update_option'), 10, 3);
}
}
function pre_update_option($value, $option, $old_value)
{
if (empty($value)) {
return $value;
}
foreach ($value as $i => $widget) {
if (!isset($widget['acf'])) {
continue;
}
unset($value[$i]['acf']);
}
return $value;
}
function admin_footer()
{
?>
<script type="text/javascript">
(function($) {
// customizer saves widget on any input change, so unload is not needed
acf.unload.active = 0;
// hack customizer function to remove bug caused by WYSIWYG field using aunique ID
// customizer compares returned AJAX HTML with the HTML of the widget form.
// the _getInputsSignature() function is used to generate a string based of input name + id.
// because ACF generates a unique ID on the WYSIWYG field, this string will not match causing the preview function to bail.
// 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.
// source: wp-admin/js/customize-widgets.js
// vars
var WidgetControl = wp.customize.Widgets.WidgetControl.prototype;
// backup functions
WidgetControl.__getInputsSignature = WidgetControl._getInputsSignature;
WidgetControl.__setInputState = WidgetControl._setInputState;
// modify __getInputsSignature
WidgetControl._getInputsSignature = function( inputs ) {
// vars
var signature = this.__getInputsSignature( inputs );
safe = [];
// split
signature = signature.split(';');
// loop
for( var i in signature ) {
// vars
var bit = signature[i];
// bail ealry if acf is found
if( bit.indexOf('acf') !== -1 ) continue;
// append
safe.push( bit );
}
// update
signature = safe.join(';');
// return
return signature;
};
// modify _setInputState
// this function deosn't seem to run on widget title/content, only custom fields
// either way, this function is not needed and will break ACF fields
WidgetControl._setInputState = function( input, state ) {
return true;
};
})(jQuery);
</script>
<?php
}
}
new acf_form_customizer();
}