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<?php /** * ACF Widget Form Class * * All the logic for adding fields to widgets * * @class acf_form_widget * @package ACF * @subpackage Forms */ if ( ! class_exists( 'acf_form_widget' ) ) : #[AllowDynamicProperties] class acf_form_widget { /** * 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 ); } /** * 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 ); } /** * This function will loop over $_POST data and validate * * @type action 'acf/validate_save_post' 5 * @since 5.4.0 */ public function acf_validate_save_post() { // phpcs:disable WordPress.Security.NonceVerification.Missing -- Verified elsewhere. // bail early if not widget if ( ! isset( $_POST['_acf_widget_id'] ) ) { return; } // vars $id = sanitize_text_field( wp_unslash( $_POST['_acf_widget_id'] ) ); $number = acf_maybe_get_POST( '_acf_widget_number' ); $prefix = acf_maybe_get_POST( '_acf_widget_prefix' ); $values = ! empty( $_POST[ $id ][ $number ]['acf'] ) ? acf_sanitize_request_args( $_POST[ $id ][ $number ]['acf'] ) : ''; //phpcs:ignore WordPress.Security.ValidatedSanitizedInput.MissingUnslash -- unslash not required. // validate acf_validate_values( $values, $prefix ); // phpcs:enable WordPress.Security.NonceVerification.Missing } /** * 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 esc_attr( $widget->id ); ?>"]') ); })(jQuery); </script> <?php endif; } } /** * 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 $instance; } /** * This function will add some custom HTML to the footer of the edit page * * @type function * @date 11/06/2014 * @since 5.0.0 * * @param n/a * @return n/a */ function admin_footer() { ?> <script type="text/javascript"> (function($) { // 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 } } new acf_form_widget(); endif; ?>
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