470 lines
9.3 KiB
PHP
470 lines
9.3 KiB
PHP
<?php
|
|
|
|
if( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
|
|
|
|
if( ! class_exists('acf_form_customizer') ) :
|
|
|
|
class acf_form_customizer {
|
|
|
|
|
|
/*
|
|
* __construct
|
|
*
|
|
* This function will setup the class functionality
|
|
*
|
|
* @type function
|
|
* @date 5/03/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param n/a
|
|
* @return n/a
|
|
*/
|
|
|
|
function __construct() {
|
|
|
|
// vars
|
|
$this->preview_values = array();
|
|
$this->preview_fields = array();
|
|
$this->preview_errors = array();
|
|
|
|
|
|
// actions
|
|
add_action('admin_enqueue_scripts', array($this, 'admin_enqueue_scripts'));
|
|
add_action('customize_preview_init', array($this, 'customize_preview_init'), 1, 1);
|
|
add_action('customize_save', array($this, 'customize_save'), 1, 1);
|
|
|
|
|
|
// save
|
|
add_filter('widget_update_callback', array($this, 'save_widget'), 10, 4);
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* admin_enqueue_scripts
|
|
*
|
|
* This action is run after post query but before any admin script / head actions.
|
|
* It is a good place to register all actions.
|
|
*
|
|
* @type action (admin_enqueue_scripts)
|
|
* @date 26/01/13
|
|
* @since 3.6.0
|
|
*
|
|
* @param N/A
|
|
* @return N/A
|
|
*/
|
|
|
|
function admin_enqueue_scripts() {
|
|
|
|
// validate screen
|
|
if( !acf_is_screen('customize') ) return;
|
|
|
|
|
|
// load acf scripts
|
|
acf_enqueue_scripts();
|
|
|
|
|
|
// actions
|
|
add_action('acf/input/admin_footer', array($this, 'admin_footer'), 1);
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* save_widget
|
|
*
|
|
* This function will hook into the widget update filter and save ACF data
|
|
*
|
|
* @type function
|
|
* @date 27/05/2015
|
|
* @since 5.2.3
|
|
*
|
|
* @param $instance (array) widget settings
|
|
* @param $new_instance (array) widget settings
|
|
* @param $old_instance (array) widget settings
|
|
* @param $widget (object) widget info
|
|
* @return $instance
|
|
*/
|
|
|
|
function save_widget( $instance, $new_instance, $old_instance, $widget ) {
|
|
|
|
// bail ealry if not valid (customize + acf values + nonce)
|
|
if( !isset($_POST['wp_customize']) || !isset($new_instance['acf']) || !acf_verify_nonce('widget') ) return $instance;
|
|
|
|
|
|
// vars
|
|
$data = array(
|
|
'post_id' => "widget_{$widget->id}",
|
|
'values' => array(),
|
|
'fields' => array()
|
|
);
|
|
|
|
|
|
// append values
|
|
$data['values'] = $new_instance['acf'];
|
|
|
|
|
|
// append fields (name => key relationship) - used later in 'acf/get_field_reference' for customizer previews
|
|
foreach( $data['values'] as $k => $v ) {
|
|
|
|
// get field
|
|
$field = acf_get_field( $k );
|
|
|
|
|
|
// continue if no field
|
|
if( !$field ) continue;
|
|
|
|
|
|
// update
|
|
$data['fields'][ $field['name'] ] = $field['key'];
|
|
|
|
}
|
|
|
|
|
|
// append data to instance
|
|
$instance['acf'] = $data;
|
|
|
|
|
|
|
|
// return
|
|
return $instance;
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* get_customizer_widgets
|
|
*
|
|
* This function will return an array of widget settings
|
|
*
|
|
* @type function
|
|
* @date 22/03/2016
|
|
* @since 5.3.2
|
|
*
|
|
* @param $customizer (object)
|
|
* @return $value (mixed)
|
|
*/
|
|
|
|
function get_customizer_widgets( $customizer ) {
|
|
|
|
// vars
|
|
$widgets = array();
|
|
$settings = $customizer->settings();
|
|
|
|
|
|
// bail ealry if no settings
|
|
if( empty($settings) ) return false;
|
|
|
|
|
|
// loop over settings
|
|
foreach( array_keys($settings) as $i ) {
|
|
|
|
// vars
|
|
$setting = $settings[ $i ];
|
|
|
|
|
|
// bail ealry if not widget
|
|
if( substr($setting->id, 0, 7) !== 'widget_' ) continue;
|
|
|
|
|
|
// get value
|
|
$value = $setting->post_value();
|
|
|
|
|
|
// set data
|
|
$setting->acf = acf_maybe_get($value, 'acf');
|
|
|
|
|
|
// append
|
|
$widgets[] = $setting;
|
|
|
|
}
|
|
|
|
|
|
// bail ealry if no preview values
|
|
if( empty($widgets) ) return false;
|
|
|
|
|
|
// return
|
|
return $widgets;
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* customize_preview_init
|
|
*
|
|
* This function is called when customizer preview is initialized
|
|
*
|
|
* @type function
|
|
* @date 22/03/2016
|
|
* @since 5.3.2
|
|
*
|
|
* @param $customizer (object)
|
|
* @return n/a
|
|
*/
|
|
|
|
function customize_preview_init( $customizer ) {
|
|
|
|
// get customizer settings (widgets)
|
|
$settings = $customizer->settings();
|
|
|
|
|
|
// bail ealry if no settings
|
|
if( empty($settings) ) return;
|
|
|
|
|
|
// append values
|
|
foreach( $settings as $setting ) {
|
|
|
|
// get $_POST value
|
|
$value = $setting->post_value();
|
|
|
|
|
|
// bail early if no acf
|
|
if( !isset($value['acf']) ) continue;
|
|
|
|
|
|
// append acf_value to preview_values
|
|
$this->preview_values[ $value['acf']['post_id'] ] = $value['acf']['values'];
|
|
$this->preview_fields[ $value['acf']['post_id'] ] = $value['acf']['fields'];
|
|
|
|
}
|
|
|
|
|
|
// bail ealry if no preview_values
|
|
if( empty($this->preview_values) ) return;
|
|
|
|
|
|
// add filter
|
|
add_filter('acf/get_field_reference', array($this, 'get_field_reference'), 10, 3);
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* get_field_reference
|
|
*
|
|
* This function will return a field_key for a given field name + post_id
|
|
* Normally, ACF would lookup the DB fro this connection, but a new preview widget has not yet saved anything to the DB
|
|
*
|
|
* @type function
|
|
* @date 12/05/2016
|
|
* @since 5.3.8
|
|
*
|
|
* @param $field_key (string)
|
|
* @param $field_name (string)
|
|
* @param $post_id (mixed)
|
|
* @return $field_key
|
|
*/
|
|
|
|
function get_field_reference( $field_key, $field_name, $post_id ) {
|
|
|
|
// look for reference
|
|
if( isset($this->preview_fields[ $post_id ][ $field_name ]) ) {
|
|
|
|
// update key
|
|
$field_key = $this->preview_fields[ $post_id ][ $field_name ];
|
|
$field_value = $this->preview_values[ $post_id ][ $field_key ];
|
|
|
|
|
|
// cache value
|
|
acf_set_cache("get_value/post_id={$post_id}/name={$field_name}", $field_value);
|
|
|
|
}
|
|
|
|
|
|
// return
|
|
return $field_key;
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* customize_save
|
|
*
|
|
* This function is called when customizer saves a widget.
|
|
* Normally, the widget_update_callback filter would be used, but the customizer disables this and runs a custom action
|
|
* class-customizer-settings.php will save the widget data via the function set_root_value which uses update_option
|
|
*
|
|
* @type function
|
|
* @date 22/03/2016
|
|
* @since 5.3.2
|
|
*
|
|
* @param $customizer (object)
|
|
* @return n/a
|
|
*/
|
|
|
|
function customize_save( $customizer ) {
|
|
|
|
// get customizer settings (widgets)
|
|
$settings = $customizer->settings();
|
|
|
|
|
|
// bail ealry if no settings
|
|
if( empty($settings) ) return;
|
|
|
|
|
|
// append values
|
|
foreach( $settings as $setting ) {
|
|
|
|
// get $_POST value
|
|
$value = $setting->post_value();
|
|
|
|
|
|
// bail early if no acf
|
|
if( !isset($value['acf']) ) continue;
|
|
|
|
|
|
// save acf data
|
|
acf_save_post( $value['acf']['post_id'], $value['acf']['values'] );
|
|
|
|
|
|
// remove [acf] data from saved widget array
|
|
$id_data = $setting->id_data();
|
|
add_filter('pre_update_option_' . $id_data['base'], array($this, 'pre_update_option'), 10, 3);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* pre_update_option
|
|
*
|
|
* this function will remove the [acf] data from widget insance
|
|
*
|
|
* @type function
|
|
* @date 22/03/2016
|
|
* @since 5.3.2
|
|
*
|
|
* @param $post_id (int)
|
|
* @return $post_id (int)
|
|
*/
|
|
|
|
function pre_update_option( $value, $option, $old_value ) {
|
|
|
|
// bail ealry if no value
|
|
if( empty($value) ) return $value;
|
|
|
|
|
|
// loop over widgets
|
|
// WP saves all widgets (of the same type) as an array of widgets
|
|
foreach( $value as $i => $widget ) {
|
|
|
|
// bail ealry if no acf
|
|
if( !isset($widget['acf']) ) continue;
|
|
|
|
|
|
// remove widget
|
|
unset($value[ $i ]['acf']);
|
|
|
|
}
|
|
|
|
|
|
// return
|
|
return $value;
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* admin_footer
|
|
*
|
|
* This function will add some custom HTML to the footer of the edit page
|
|
*
|
|
* @type function
|
|
* @date 11/06/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param n/a
|
|
* @return n/a
|
|
*/
|
|
|
|
function admin_footer() {
|
|
|
|
?>
|
|
<script type="text/javascript">
|
|
(function($) {
|
|
|
|
// 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();
|
|
|
|
endif;
|
|
|
|
?>
|