acf_form_widget{}ACF 1.0

Хуков нет.

Использование

$acf_form_widget = new acf_form_widget();
// use class methods

Методы

  1. public __construct()
  2. public acf_validate_save_post()
  3. public admin_enqueue_scripts()
  4. public admin_footer()
  5. public edit_widget( $widget, $return, $instance )
  6. public save_widget( $instance, $new_instance, $old_instance, $widget )

Код acf_form_widget{} ACF 5.10.2

<?php
class acf_form_widget {


	/*
	*  __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_reference = array();
		$this->preview_errors    = array();

		// actions
		add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );
		add_action( 'in_widget_form', array( $this, 'edit_widget' ), 10, 3 );
		add_action( 'acf/validate_save_post', array( $this, 'acf_validate_save_post' ), 5 );

		// filters
		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( 'widgets' ) || acf_is_screen( 'customize' ) ) {

			// valid

		} else {

			return;

		}

		// load acf scripts
		acf_enqueue_scripts();

		// actions
		add_action( 'acf/input/admin_footer', array( $this, 'admin_footer' ), 1 );

	}


	/*
	*  acf_validate_save_post
	*
	*  This function will loop over $_POST data and validate
	*
	*  @type    action 'acf/validate_save_post' 5
	*  @date    7/09/2016
	*  @since   5.4.0
	*
	*  @param   n/a
	*  @return  n/a
	*/

	function acf_validate_save_post() {

		// bail ealry if not widget
		if ( ! isset( $_POST['_acf_widget_id'] ) ) {
			return;
		}

		// vars
		$id     = $_POST['_acf_widget_id'];
		$number = $_POST['_acf_widget_number'];
		$prefix = $_POST['_acf_widget_prefix'];

		// validate
		acf_validate_values( $_POST[ $id ][ $number ]['acf'], $prefix );

	}


	/*
	*  edit_widget
	*
	*  This function will render the fields for a widget form
	*
	*  @type    function
	*  @date    11/06/2014
	*  @since   5.0.0
	*
	*  @param   $widget (object)
	*  @param   $return (null)
	*  @param   $instance (object)
	*  @return  $post_id (int)
	*/

	function edit_widget( $widget, $return, $instance ) {

		// vars
		$post_id = 0;
		$prefix  = 'widget-' . $widget->id_base . '[' . $widget->number . '][acf]';

		// get id
		if ( $widget->number !== '__i__' ) {

			$post_id = "widget_{$widget->id}";

		}

		// get field groups
		$field_groups = acf_get_field_groups(
			array(
				'widget' => $widget->id_base,
			)
		);

		// render
		if ( ! empty( $field_groups ) ) {

			// render post data
			acf_form_data(
				array(
					'screen'        => 'widget',
					'post_id'       => $post_id,
					'widget_id'     => 'widget-' . $widget->id_base,
					'widget_number' => $widget->number,
					'widget_prefix' => $prefix,
				)
			);

			// wrap
			echo '<div class="acf-widget-fields acf-fields -clear">';

			// loop
			foreach ( $field_groups as $field_group ) {

					// load fields
					$fields = acf_get_fields( $field_group );

					// bail if not fields
				if ( empty( $fields ) ) {
					continue;
				}

					// change prefix
					acf_prefix_fields( $fields, $prefix );

					// render
					acf_render_fields( $fields, $post_id, 'div', $field_group['instruction_placement'] );

			}

			// wrap
			echo '</div>';

			// jQuery selector looks odd, but is necessary due to WP adding an incremental number into the ID
			// - not possible to find number via PHP parameters
			if ( $widget->updated ) : ?>
		<script type="text/javascript">
		(function($) {
			
			acf.doAction('append', $('[id^="widget"][id$="<?php echo $widget->id; ?>"]') );
			
		})(jQuery);	
		</script>
				<?php
		endif;

		}

	}


	/*
	*  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 ) {

		// validate nonce if we're not a REST API request.
		// the $_POST object is not available to us to validate if we're in a REST API call.
		if ( ! ( function_exists( 'wp_is_json_request' ) && wp_is_json_request() ) ) {
			if ( ! acf_verify_nonce( 'widget' ) ) {
				return $instance;
			}
		}

		// bail early if not valid (!customize + acf values + nonce).
		if ( isset( $_POST['wp_customize'] ) || ! isset( $new_instance['acf'] ) ) {
			return $instance;
		}

		// save
		acf_save_post( "widget_{$widget->id}", $new_instance['acf'] );

		// return
		return $instance;

	}


	/*
	*  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($) {

// vars
acf.set('post_id', 'widgets');

// Only initialize visible fields.
acf.addFilter('find_fields', function( $fields ){
	
	// not templates
	$fields = $fields.not('#available-widgets .acf-field');
	
	// not widget dragging in
	$fields = $fields.not('.widget.ui-draggable-dragging .acf-field');
	
	// return
	return $fields;
});

// on publish
$('#widgets-right').on('click', '.widget-control-save', function( e ){
	
	// vars
	var $button = $(this);
	var $form = $button.closest('form');
	
	// validate
	var valid = acf.validateForm({
		form: $form,
		event: e,
		reset: true
	});
	
	// if not valid, stop event and allow validation to continue
	if( !valid ) {
		e.preventDefault();
		e.stopImmediatePropagation();
	}
});

// show
$('#widgets-right').on('click', '.widget-top', function(){
	var $widget = $(this).parent();
	if( $widget.hasClass('open') ) {
		acf.doAction('hide', $widget);
	} else {
		acf.doAction('show', $widget);
	}
});

$(document).on('widget-added', function( e, $widget ){
	
	// - use delay to avoid rendering issues with customizer (ensures div is visible)
	setTimeout(function(){
		acf.doAction('append', $widget );
	}, 100);
});

})(jQuery);	
</script>
		<?php

	}
}