707 lines
12 KiB
PHP
707 lines
12 KiB
PHP
<?php
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if( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
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if( ! class_exists('acf_form_front') ) :
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class acf_form_front {
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/** @var array An array of registered form settings */
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private $forms = array();
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/** @var array An array of default fields */
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public $fields = array();
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/*
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* __construct
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*
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* This function will setup the class functionality
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*
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* @type function
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* @date 5/03/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return n/a
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*/
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function __construct() {
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// vars
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$this->fields = array(
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'_post_title' => array(
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'prefix' => 'acf',
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'name' => '_post_title',
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'key' => '_post_title',
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'label' => __('Title', 'acf'),
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'type' => 'text',
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'required' => true,
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),
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'_post_content' => array(
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'prefix' => 'acf',
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'name' => '_post_content',
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'key' => '_post_content',
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'label' => __('Content', 'acf'),
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'type' => 'wysiwyg',
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),
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'_validate_email' => array(
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'prefix' => 'acf',
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'name' => '_validate_email',
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'key' => '_validate_email',
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'label' => __('Validate Email', 'acf'),
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'type' => 'text',
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'value' => '',
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'wrapper' => array('style' => 'display:none !important;')
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)
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);
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// actions
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add_action('acf/validate_save_post', array($this, 'validate_save_post'), 1);
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// filters
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add_filter('acf/pre_save_post', array($this, 'pre_save_post'), 5, 2);
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}
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/*
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* validate_form
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*
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* description
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*
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* @type function
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* @date 28/2/17
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* @since 5.5.8
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function validate_form( $args ) {
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// defaults
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$args = wp_parse_args( $args, array(
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'id' => 'acf-form',
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'post_id' => false,
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'new_post' => false,
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'field_groups' => false,
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'fields' => false,
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'post_title' => false,
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'post_content' => false,
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'form' => true,
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'form_attributes' => array(),
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'return' => add_query_arg( 'updated', 'true', acf_get_current_url() ),
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'html_before_fields' => '',
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'html_after_fields' => '',
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'submit_value' => __("Update", 'acf'),
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'updated_message' => __("Post updated", 'acf'),
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'label_placement' => 'top',
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'instruction_placement' => 'label',
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'field_el' => 'div',
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'uploader' => 'wp',
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'honeypot' => true,
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'html_updated_message' => '<div id="message" class="updated"><p>%s</p></div>', // 5.5.10
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'html_submit_button' => '<input type="submit" class="acf-button button button-primary button-large" value="%s" />', // 5.5.10
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'html_submit_spinner' => '<span class="acf-spinner"></span>', // 5.5.10
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'kses' => true // 5.6.5
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));
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$args['form_attributes'] = wp_parse_args( $args['form_attributes'], array(
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'id' => $args['id'],
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'class' => 'acf-form',
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'action' => '',
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'method' => 'post',
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));
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// filter post_id
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$args['post_id'] = acf_get_valid_post_id( $args['post_id'] );
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// new post?
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if( $args['post_id'] === 'new_post' ) {
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$args['new_post'] = wp_parse_args( $args['new_post'], array(
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'post_type' => 'post',
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'post_status' => 'draft',
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));
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}
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// filter
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$args = apply_filters('acf/validate_form', $args);
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// return
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return $args;
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}
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/*
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* add_form
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*
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* description
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*
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* @type function
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* @date 28/2/17
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* @since 5.5.8
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function add_form( $args = array() ) {
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// validate
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$args = $this->validate_form( $args );
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// append
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$this->forms[ $args['id'] ] = $args;
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}
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/*
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* get_form
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*
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* description
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*
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* @type function
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* @date 28/2/17
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* @since 5.5.8
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function get_form( $id = '' ) {
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// bail early if not set
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if( !isset($this->forms[ $id ]) ) return false;
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// return
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return $this->forms[ $id ];
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}
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/*
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* validate_save_post
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*
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* This function will validate fields from the above array
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*
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* @type function
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* @date 7/09/2016
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* @since 5.4.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function validate_save_post() {
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// register field if isset in $_POST
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foreach( $this->fields as $k => $field ) {
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// bail early if no in $_POST
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if( !isset($_POST['acf'][ $k ]) ) continue;
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// register
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acf_add_local_field($field);
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}
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// honeypot
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if( !empty($_POST['acf']['_validate_email']) ) {
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acf_add_validation_error( '', __('Spam Detected', 'acf') );
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}
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}
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/*
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* pre_save_post
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*
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* description
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*
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* @type function
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* @date 7/09/2016
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* @since 5.4.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function pre_save_post( $post_id, $form ) {
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// vars
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$save = array(
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'ID' => 0
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);
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// determine save data
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if( is_numeric($post_id) ) {
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// update post
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$save['ID'] = $post_id;
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} elseif( $post_id == 'new_post' ) {
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// merge in new post data
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$save = array_merge($save, $form['new_post']);
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} else {
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// not post
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return $post_id;
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}
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// save post_title
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if( isset($_POST['acf']['_post_title']) ) {
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$save['post_title'] = acf_extract_var($_POST['acf'], '_post_title');
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}
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// save post_content
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if( isset($_POST['acf']['_post_content']) ) {
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$save['post_content'] = acf_extract_var($_POST['acf'], '_post_content');
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}
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// honeypot
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if( !empty($_POST['acf']['_validate_email']) ) return false;
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// validate
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if( count($save) == 1 ) {
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return $post_id;
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}
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// save
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if( $save['ID'] ) {
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wp_update_post( $save );
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} else {
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$post_id = wp_insert_post( $save );
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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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* enqueue
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*
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* This function will enqueue a form
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*
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* @type function
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* @date 7/09/2016
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* @since 5.4.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function enqueue_form() {
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// check
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$this->check_submit_form();
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// load acf scripts
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acf_enqueue_scripts();
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}
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/*
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* check_submit_form
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*
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* This function will maybe submit form data
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*
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* @type function
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* @date 3/3/17
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* @since 5.5.10
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*
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* @param n/a
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* @return n/a
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*/
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function check_submit_form() {
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// verify nonce
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if( !acf_verify_nonce('acf_form') ) return;
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// bail ealry if form not submit
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if( empty($_POST['_acf_form']) ) return;
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// load form
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$form = json_decode( acf_decrypt($_POST['_acf_form']), true );
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// bail ealry if form is corrupt
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if( empty($form) ) return;
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// kses
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if( $form['kses'] && isset($_POST['acf']) ) {
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$_POST['acf'] = wp_kses_post_deep( $_POST['acf'] );
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}
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// validate data
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acf_validate_save_post(true);
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// submit
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$this->submit_form( $form );
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}
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/*
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* submit_form
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*
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* This function will submit form data
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*
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* @type function
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* @date 3/3/17
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* @since 5.5.10
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*
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* @param n/a
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* @return n/a
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*/
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function submit_form( $form ) {
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// filter
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$form = apply_filters('acf/pre_submit_form', $form);
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// vars
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$post_id = acf_maybe_get($form, 'post_id', 0);
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// add global for backwards compatibility
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$GLOBALS['acf_form'] = $form;
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// allow for custom save
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$post_id = apply_filters('acf/pre_save_post', $post_id, $form);
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// save
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acf_save_post( $post_id );
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// restore form (potentially modified)
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$form = $GLOBALS['acf_form'];
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// action
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do_action('acf/submit_form', $form, $post_id);
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// vars
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$return = acf_maybe_get($form, 'return', '');
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// redirect
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if( $return ) {
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// update %placeholders%
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$return = str_replace('%post_id%', $post_id, $return);
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$return = str_replace('%post_url%', get_permalink($post_id), $return);
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// redirect
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wp_redirect( $return );
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exit;
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}
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}
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/*
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* render
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*
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* description
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*
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* @type function
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* @date 7/09/2016
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* @since 5.4.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function render_form( $args = array() ) {
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// array
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if( is_array($args) ) {
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$args = $this->validate_form( $args );
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// id
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} else {
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$args = $this->get_form( $args );
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}
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// bail early if no args
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if( !$args ) return false;
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// load values from this post
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$post_id = $args['post_id'];
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// dont load values for 'new_post'
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if( $post_id === 'new_post' ) $post_id = false;
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// register local fields
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foreach( $this->fields as $k => $field ) {
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acf_add_local_field($field);
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}
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// vars
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$field_groups = array();
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$fields = array();
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// post_title
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if( $args['post_title'] ) {
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// load local field
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$_post_title = acf_get_field('_post_title');
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$_post_title['value'] = $post_id ? get_post_field('post_title', $post_id) : '';
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// append
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$fields[] = $_post_title;
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}
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// post_content
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if( $args['post_content'] ) {
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// load local field
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$_post_content = acf_get_field('_post_content');
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$_post_content['value'] = $post_id ? get_post_field('post_content', $post_id) : '';
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// append
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$fields[] = $_post_content;
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}
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// specific fields
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if( $args['fields'] ) {
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foreach( $args['fields'] as $selector ) {
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// append field ($strict = false to allow for better compatibility with field names)
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$fields[] = acf_maybe_get_field( $selector, $post_id, false );
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}
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} elseif( $args['field_groups'] ) {
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foreach( $args['field_groups'] as $selector ) {
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$field_groups[] = acf_get_field_group( $selector );
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}
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} elseif( $args['post_id'] == 'new_post' ) {
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$field_groups = acf_get_field_groups( $args['new_post'] );
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} else {
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$field_groups = acf_get_field_groups(array(
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'post_id' => $args['post_id']
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));
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}
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//load fields based on field groups
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if( !empty($field_groups) ) {
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foreach( $field_groups as $field_group ) {
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$field_group_fields = acf_get_fields( $field_group );
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if( !empty($field_group_fields) ) {
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foreach( array_keys($field_group_fields) as $i ) {
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$fields[] = acf_extract_var($field_group_fields, $i);
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}
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}
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}
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}
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// honeypot
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if( $args['honeypot'] ) {
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$fields[] = acf_get_field('_validate_email');
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}
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// updated message
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if( !empty($_GET['updated']) && $args['updated_message'] ) {
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printf( $args['html_updated_message'], $args['updated_message'] );
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}
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// uploader (always set incase of multiple forms on the page)
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acf_update_setting('uploader', $args['uploader']);
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// display form
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if( $args['form'] ): ?>
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<form <?php acf_esc_attr_e( $args['form_attributes']); ?>>
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<?php endif;
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// render post data
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acf_form_data(array(
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'screen' => 'acf_form',
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'post_id' => $args['post_id'],
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'form' => acf_encrypt(json_encode($args))
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));
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?>
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<div class="acf-fields acf-form-fields -<?php echo $args['label_placement']; ?>">
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<?php
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// html before fields
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echo $args['html_before_fields'];
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// render
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acf_render_fields( $fields, $post_id, $args['field_el'], $args['instruction_placement'] );
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// html after fields
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echo $args['html_after_fields'];
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?>
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</div>
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<?php if( $args['form'] ): ?>
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<div class="acf-form-submit">
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<?php printf( $args['html_submit_button'], $args['submit_value'] ); ?>
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<?php echo $args['html_submit_spinner']; ?>
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</div>
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</form>
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<?php endif;
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}
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}
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// initialize
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acf()->form_front = new acf_form_front();
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endif; // class_exists check
|
|
|
|
|
|
/*
|
|
* Functions
|
|
*
|
|
* alias of acf()->form->functions
|
|
*
|
|
* @type function
|
|
* @date 11/06/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param n/a
|
|
* @return n/a
|
|
*/
|
|
|
|
|
|
function acf_form_head() {
|
|
|
|
acf()->form_front->enqueue_form();
|
|
|
|
}
|
|
|
|
function acf_form( $args = array() ) {
|
|
|
|
acf()->form_front->render_form( $args );
|
|
|
|
}
|
|
|
|
function acf_get_form( $id = '' ) {
|
|
|
|
acf()->form_front->get_form( $id );
|
|
|
|
}
|
|
|
|
function acf_register_form( $args ) {
|
|
|
|
acf()->form_front->add_form( $args );
|
|
|
|
}
|
|
|
|
?>
|