342 lines
8.1 KiB
PHP
342 lines
8.1 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_Post' ) ) :
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class ACF_Form_Post {
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/** @var string The first field groups style CSS. */
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var $style = '';
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/**
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* __construct
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*
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* Sets up the class functionality.
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*
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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 void
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* @return void
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*/
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function __construct() {
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// initialize on post edit screens
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add_action( 'load-post.php', array( $this, 'initialize' ) );
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add_action( 'load-post-new.php', array( $this, 'initialize' ) );
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// save
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add_filter( 'wp_insert_post_empty_content', array( $this, 'wp_insert_post_empty_content' ), 10, 2 );
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add_action( 'save_post', array( $this, 'save_post' ), 10, 2 );
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}
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/**
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* initialize
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*
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* Sets up Form functionality.
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*
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* @date 19/9/18
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* @since 5.7.6
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*
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* @param void
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* @return void
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*/
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function initialize() {
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// globals
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global $typenow;
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$acf_post_types = acf_get_internal_post_types();
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foreach ( $acf_post_types as $post_type ) {
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remove_meta_box( 'submitdiv', $post_type, 'side' );
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}
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// restrict specific post types
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$restricted = array_merge( $acf_post_types, array( 'acf-taxonomy', 'attachment' ) );
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if ( in_array( $typenow, $restricted ) ) {
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return;
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}
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// enqueue scripts
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acf_enqueue_scripts(
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array(
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'uploader' => true,
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)
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);
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// actions
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add_action( 'add_meta_boxes', array( $this, 'add_meta_boxes' ), 10, 2 );
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}
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/**
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* add_meta_boxes
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*
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* Adds ACF metaboxes for the given $post_type and $post.
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*
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* @date 19/9/18
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* @since 5.7.6
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*
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* @param string $post_type The post type.
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* @param WP_Post $post The post being edited.
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* @return void
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*/
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function add_meta_boxes( $post_type, $post ) {
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// Storage for localized postboxes.
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$postboxes = array();
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// Get field groups for this screen.
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$field_groups = acf_get_field_groups(
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array(
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'post_id' => $post->ID,
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'post_type' => $post_type,
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)
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);
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// Loop over field groups.
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if ( $field_groups ) {
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foreach ( $field_groups as $field_group ) {
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// vars
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$id = "acf-{$field_group['key']}"; // acf-group_123
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$title = $field_group['title']; // Group 1
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$context = $field_group['position']; // normal, side, acf_after_title
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$priority = 'high'; // high, core, default, low
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// Reduce priority for sidebar metaboxes for best position.
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if ( $context == 'side' ) {
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$priority = 'core';
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}
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/**
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* Filters the metabox priority.
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*
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* @date 23/06/12
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* @since 3.1.8
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*
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* @param string $priority The metabox priority (high, core, default, low).
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* @param array $field_group The field group array.
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*/
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$priority = apply_filters( 'acf/input/meta_box_priority', $priority, $field_group );
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// Localize data
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$postboxes[] = array(
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'id' => $id,
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'key' => $field_group['key'],
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'style' => $field_group['style'],
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'label' => $field_group['label_placement'],
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'edit' => acf_get_field_group_edit_link( $field_group['ID'] ),
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);
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// Add the meta box.
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add_meta_box( $id, acf_esc_html( $title ), array( $this, 'render_meta_box' ), $post_type, $context, $priority, array( 'field_group' => $field_group ) );
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}
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// Set style from first field group.
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$this->style = acf_get_field_group_style( $field_groups[0] );
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// Localize postboxes.
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acf_localize_data(
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array(
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'postboxes' => $postboxes,
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)
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);
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}
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// remove postcustom metabox (removes expensive SQL query)
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if ( acf_get_setting( 'remove_wp_meta_box' ) ) {
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remove_meta_box( 'postcustom', false, 'normal' );
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}
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// Add hidden input fields.
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add_action( 'edit_form_after_title', array( $this, 'edit_form_after_title' ) );
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/**
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* Fires after metaboxes have been added.
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*
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* @date 13/12/18
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* @since 5.8.0
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*
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* @param string $post_type The post type.
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* @param WP_Post $post The post being edited.
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* @param array $field_groups The field groups added.
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*/
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do_action( 'acf/add_meta_boxes', $post_type, $post, $field_groups );
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}
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/**
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* edit_form_after_title
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*
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* Called after the title adn before the content editor.
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*
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* @date 19/9/18
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* @since 5.7.6
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*
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* @param void
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* @return void
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*/
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function edit_form_after_title() {
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// globals
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global $post, $wp_meta_boxes;
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// render post data
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acf_form_data(
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array(
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'screen' => 'post',
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'post_id' => $post->ID,
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)
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);
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// render 'acf_after_title' metaboxes
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do_meta_boxes( get_current_screen(), 'acf_after_title', $post );
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// render dynamic field group style
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echo '<style type="text/css" id="acf-style">' . $this->style . '</style>';
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}
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/**
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* render_meta_box
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*
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* Renders the ACF metabox HTML.
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*
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* @date 19/9/18
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* @since 5.7.6
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*
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* @param WP_Post $post The post being edited.
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* @param array metabox The add_meta_box() args.
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* @return void
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*/
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function render_meta_box( $post, $metabox ) {
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// vars
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$id = $metabox['id'];
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$field_group = $metabox['args']['field_group'];
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// Render fields.
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$fields = acf_get_fields( $field_group );
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acf_render_fields( $fields, $post->ID, 'div', $field_group['instruction_placement'] );
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}
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/**
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* wp_insert_post_empty_content
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*
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* Allows WP to insert a new post without title or post_content if ACF data exists.
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*
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* @date 16/07/2014
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* @since 5.0.1
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*
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* @param bool $maybe_empty Whether the post should be considered "empty".
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* @param array $postarr Array of post data.
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* @return bool
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*/
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function wp_insert_post_empty_content( $maybe_empty, $postarr ) {
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// return false and allow insert if '_acf_changed' exists
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if ( $maybe_empty && acf_maybe_get_POST( '_acf_changed' ) ) {
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return false;
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}
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// return
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return $maybe_empty;
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}
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/*
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* allow_save_post
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*
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* Checks if the $post is allowed to be saved.
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* Used to avoid triggering "acf/save_post" on dynamically created posts during save.
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*
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* @type function
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* @date 26/06/2016
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* @since 5.3.8
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*
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* @param WP_Post $post The post to check.
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* @return bool
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*/
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function allow_save_post( $post ) {
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// vars
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$allow = true;
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// restrict post types
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$restrict = array( 'auto-draft', 'revision', 'acf-field', 'acf-field-group' );
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if ( in_array( $post->post_type, $restrict ) ) {
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$allow = false;
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}
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// disallow if the $_POST ID value does not match the $post->ID
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$form_post_id = (int) acf_maybe_get_POST( 'post_ID' );
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if ( $form_post_id && $form_post_id !== $post->ID ) {
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$allow = false;
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}
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// revision (preview)
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if ( $post->post_type == 'revision' ) {
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// allow if doing preview and this $post is a child of the $_POST ID
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if ( acf_maybe_get_POST( 'wp-preview' ) == 'dopreview' && $form_post_id === $post->post_parent ) {
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$allow = true;
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}
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}
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// return
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return $allow;
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}
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/*
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* save_post
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*
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* Triggers during the 'save_post' action to save the $_POST data.
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*
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* @type function
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* @date 23/06/12
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* @since 1.0.0
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*
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* @param int $post_id The post ID
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* @param WP_POST $post the post object.
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* @return int
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*/
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function save_post( $post_id, $post ) {
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// bail early if no allowed to save this post type
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if ( ! $this->allow_save_post( $post ) ) {
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return $post_id;
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}
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// verify nonce
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if ( ! acf_verify_nonce( 'post' ) ) {
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return $post_id;
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}
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// validate for published post (allow draft to save without validation)
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if ( $post->post_status == 'publish' ) {
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// bail early if validation fails
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if ( ! acf_validate_save_post() ) {
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return;
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}
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}
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// save
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acf_save_post( $post_id );
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// save revision
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if ( post_type_supports( $post->post_type, 'revisions' ) ) {
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acf_save_post_revision( $post_id );
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}
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// return
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return $post_id;
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}
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}
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acf_new_instance( 'ACF_Form_Post' );
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endif;
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