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acf.php
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acf.php
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<?php
/*
Plugin Name: Advanced Custom Fields
Plugin URI: http://www.advancedcustomfields.com/
Description: Fully customise WordPress edit screens with powerful fields. Boasting a professional interface and a powerfull API, it’s a must have for any web developer working with WordPress. Field types include: Wysiwyg, text, textarea, image, file, select, checkbox, page link, post object, date picker, color picker, repeater, flexible content, gallery and more!
Version: 3.5.5
Author: Elliot Condon
Author URI: http://www.elliotcondon.com/
License: GPL
Copyright: Elliot Condon
*/
include('core/api.php');
$acf = new Acf();
class Acf
{
var $dir,
$path,
$version,
$upgrade_version,
$fields,
$cache,
$defaults,
// controllers
$upgrade,
$settings,
$field_groups,
$field_group,
$input,
$options_page,
$everything_fields,
$third_party;
/*
* Constructor
*
* @description:
* @since 1.0.0
* @created: 23/06/12
*/
function __construct()
{
// vars
$this->path = plugin_dir_path(__FILE__);
$this->dir = plugins_url('',__FILE__);
$this->version = '3.5.5';
$this->upgrade_version = '3.4.1'; // this is the latest version which requires an upgrade
$this->cache = array(); // basic array cache to hold data throughout the page load
$this->defaults = array(
'options_page' => array(
'capability' => 'edit_posts', // capability to view options page
'title' => __('Options','acf'), // title / menu name ('Site Options')
'pages' => array(), // an array of sub pages ('Header, Footer, Home, etc')
),
'activation_codes' => array(
'repeater' => '', // activation code for the repeater add-on (XXXX-XXXX-XXXX-XXXX)
'options_page' => '', // activation code for the options page add-on (XXXX-XXXX-XXXX-XXXX)
'flexible_content' => '', // activation code for the flexible content add-on (XXXX-XXXX-XXXX-XXXX)
'gallery' => '', // activation code for the gallery add-on (XXXX-XXXX-XXXX-XXXX)
),
);
// set text domain
load_plugin_textdomain('acf', false, basename(dirname(__FILE__)).'/lang' );
// controllers
$this->setup_controllers();
// actions
add_action('init', array($this, 'init'));
add_action('admin_menu', array($this,'admin_menu'));
add_action('admin_head', array($this,'admin_head'));
add_action('acf_save_post', array($this, 'acf_save_post'), 10); // save post, called from many places (api, input, everything, options)
// filters
add_filter('acf_load_field', array($this, 'acf_load_field'), 5);
add_filter('post_updated_messages', array($this, 'post_updated_messages'));
add_filter('acf_parse_value', array($this, 'acf_parse_value'));
// ajax
add_action('wp_ajax_get_input_metabox_ids', array($this, 'get_input_metabox_ids'));
return true;
}
/*
* Init
*
* @description:
* @since 1.0.0
* @created: 23/06/12
*/
function init()
{
// setup defaults
$this->defaults = apply_filters('acf_settings', $this->defaults);
// allow for older filters
$this->defaults['options_page']['title'] = apply_filters('acf_options_page_title', $this->defaults['options_page']['title']);
// setup fields
$this->setup_fields();
// Create ACF post type
$labels = array(
'name' => __( 'Field Groups', 'acf' ),
'singular_name' => __( 'Advanced Custom Fields', 'acf' ),
'add_new' => __( 'Add New' , 'acf' ),
'add_new_item' => __( 'Add New Field Group' , 'acf' ),
'edit_item' => __( 'Edit Field Group' , 'acf' ),
'new_item' => __( 'New Field Group' , 'acf' ),
'view_item' => __('View Field Group', 'acf'),
'search_items' => __('Search Field Groups', 'acf'),
'not_found' => __('No Field Groups found', 'acf'),
'not_found_in_trash' => __('No Field Groups found in Trash', 'acf'),
);
register_post_type('acf', array(
'labels' => $labels,
'public' => false,
'show_ui' => true,
'_builtin' => false,
'capability_type' => 'page',
'hierarchical' => true,
'rewrite' => false,
'query_var' => "acf",
'supports' => array(
'title',
),
'show_in_menu' => false,
));
// register acf scripts
$scripts = array(
'acf-fields' => $this->dir . '/js/fields.js',
'acf-input-actions' => $this->dir . '/js/input-actions.js',
'acf-input-ajax' => $this->dir . '/js/input-ajax.js',
'acf-datepicker' => $this->dir . '/core/fields/date_picker/jquery.ui.datepicker.js',
);
foreach( $scripts as $k => $v )
{
wp_register_script( $k, $v, array('jquery'), $this->version );
}
// register acf styles
$styles = array(
'acf' => $this->dir . '/css/acf.css',
'acf-fields' => $this->dir . '/css/fields.css',
'acf-global' => $this->dir . '/css/global.css',
'acf-input' => $this->dir . '/css/input.css',
'acf-datepicker' => $this->dir . '/core/fields/date_picker/style.date_picker.css',
);
foreach( $styles as $k => $v )
{
wp_register_style( $k, $v, false, $this->version );
}
}
/*
* get_cache
*
* @description: Simple ACF (once per page) cache
* @since 3.1.9
* @created: 23/06/12
*/
function get_cache($key = false)
{
// key is required
if( !$key )
return false;
// does cache at key exist?
if( !isset($this->cache[$key]) )
return false;
// return cahced item
return $this->cache[$key];
}
/*
* set_cache
*
* @description: Simple ACF (once per page) cache
* @since 3.1.9
* @created: 23/06/12
*/
function set_cache($key = false, $value = null)
{
// key is required
if( !$key )
return false;
// update the cache array
$this->cache[$key] = $value;
// return true. Probably not needed
return true;
}
/*
* setup_fields
*
* @description: Create an array of field objects, including custom registered field types
* @since 1.0.0
* @created: 23/06/12
*/
function setup_fields()
{
// include parent field
include_once('core/fields/acf_field.php');
// include child fields
include_once('core/fields/acf_field.php');
include_once('core/fields/tab.php');
include_once('core/fields/text.php');
include_once('core/fields/textarea.php');
include_once('core/fields/wysiwyg.php');
include_once('core/fields/image.php');
include_once('core/fields/file.php');
include_once('core/fields/number.php');
include_once('core/fields/select.php');
include_once('core/fields/checkbox.php');
include_once('core/fields/radio.php');
include_once('core/fields/true_false.php');
include_once('core/fields/page_link.php');
include_once('core/fields/post_object.php');
include_once('core/fields/relationship.php');
include_once('core/fields/date_picker/date_picker.php');
include_once('core/fields/color_picker.php');
// add child fields
$this->fields['none'] = new acf_Field($this);
$this->fields['tab'] = new acf_Tab($this);
$this->fields['text'] = new acf_Text($this);
$this->fields['textarea'] = new acf_Textarea($this);
$this->fields['wysiwyg'] = new acf_Wysiwyg($this);
$this->fields['image'] = new acf_Image($this);
$this->fields['file'] = new acf_File($this);
$this->fields['number'] = new acf_Number($this);
$this->fields['select'] = new acf_Select($this);
$this->fields['checkbox'] = new acf_Checkbox($this);
$this->fields['radio'] = new acf_Radio($this);
$this->fields['true_false'] = new acf_True_false($this);
$this->fields['page_link'] = new acf_Page_link($this);
$this->fields['post_object'] = new acf_Post_object($this);
$this->fields['relationship'] = new acf_Relationship($this);
$this->fields['date_picker'] = new acf_Date_picker($this);
$this->fields['color_picker'] = new acf_Color_picker($this);
// add repeater
if($this->is_field_unlocked('repeater'))
{
include_once('core/fields/repeater.php');
$this->fields['repeater'] = new acf_Repeater($this);
}
// add flexible content
if($this->is_field_unlocked('flexible_content'))
{
include_once('core/fields/flexible_content.php');
$this->fields['flexible_content'] = new acf_Flexible_content($this);
}
// add gallery
if($this->is_field_unlocked('gallery'))
{
include_once('core/fields/gallery.php');
$this->fields['gallery'] = new acf_Gallery($this);
}
// hook to load in third party fields
$custom = apply_filters('acf_register_field',array());
if(!empty($custom))
{
foreach($custom as $v)
{
//var_dump($v['url']);
include($v['url']);
$name = $v['class'];
$custom_field = new $name($this);
$this->fields[$custom_field->name] = $custom_field;
}
}
}
/*
* setup_fields
*
* @description:
* @since 3.2.6
* @created: 23/06/12
*/
function setup_controllers()
{
// Settings
include_once('core/controllers/settings.php');
$this->settings = new acf_settings($this);
// upgrade
include_once('core/controllers/upgrade.php');
$this->upgrade = new acf_upgrade($this);
// field_groups
include_once('core/controllers/field_groups.php');
$this->field_groups = new acf_field_groups($this);
// field_group
include_once('core/controllers/field_group.php');
$this->field_group = new acf_field_group($this);
// input
include_once('core/controllers/input.php');
$this->input = new acf_input($this);
// options page
include_once('core/controllers/options_page.php');
$this->options_page = new acf_options_page($this);
// everthing fields
include_once('core/controllers/everything_fields.php');
$this->everything_fields = new acf_everything_fields($this);
// Third Party Compatibility
include_once('core/controllers/third_party.php');
$this->third_party = new acf_third_party($this);
}
/*
* admin_menu
*
* @description:
* @since 1.0.0
* @created: 23/06/12
*/
function admin_menu() {
// add acf page to options menu
add_utility_page(__("Custom Fields",'acf'), __("Custom Fields",'acf'), 'manage_options', 'edit.php?post_type=acf');
}
/*
* post_updated_messages
*
* @description: messages for saving a field group
* @since 1.0.0
* @created: 23/06/12
*/
function post_updated_messages( $messages )
{
global $post, $post_ID;
$messages['acf'] = array(
0 => '', // Unused. Messages start at index 1.
1 => __('Field group updated.', 'acf'),
2 => __('Custom field updated.', 'acf'),
3 => __('Custom field deleted.', 'acf'),
4 => __('Field group updated.', 'acf'),
/* translators: %s: date and time of the revision */
5 => isset($_GET['revision']) ? sprintf( __('Field group restored to revision from %s', 'acf'), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
6 => __('Field group published.', 'acf'),
7 => __('Field group saved.', 'acf'),
8 => __('Field group submitted.', 'acf'),
9 => __('Field group scheduled for.', 'acf'),
10 => __('Field group draft updated.', 'acf'),
);
return $messages;
}
/*--------------------------------------------------------------------------------------
*
* admin_head
*
* @author Elliot Condon
* @since 1.0.0
*
*-------------------------------------------------------------------------------------*/
function admin_head()
{
// hide upgrade page from nav
echo '<style type="text/css">
#toplevel_page_edit-post_type-acf a[href="edit.php?post_type=acf&page=acf-upgrade"]{ display:none; }
#toplevel_page_edit-post_type-acf .wp-menu-image { background: url("../wp-admin/images/menu.png") no-repeat scroll 0 -33px transparent; }
#toplevel_page_edit-post_type-acf:hover .wp-menu-image { background-position: 0 -1px; }
#toplevel_page_edit-post_type-acf .wp-menu-image img { display:none; }
</style>';
}
/*--------------------------------------------------------------------------------------
*
* get_field_groups
*
* This function returns an array of post objects found in the get_posts and the
* register_field_group calls.
*
* @author Elliot Condon
* @since 3.0.6
*
*-------------------------------------------------------------------------------------*/
function get_field_groups()
{
// return cache
$cache = $this->get_cache('acf_field_groups');
if($cache != false)
{
return $cache;
}
// vars
$acfs = array();
// get acf's
$result = get_posts(array(
'numberposts' => -1,
'post_type' => 'acf',
'orderby' => 'menu_order title',
'order' => 'asc',
'suppress_filters' => false,
));
// populate acfs
if($result)
{
foreach($result as $acf)
{
$acfs[] = array(
'id' => $acf->ID,
'title' => get_the_title($acf->ID),
'fields' => $this->get_acf_fields($acf->ID),
'location' => $this->get_acf_location($acf->ID),
'options' => $this->get_acf_options($acf->ID),
'menu_order' => $acf->menu_order,
);
}
}
// hook to load in registered field groups
$acfs = apply_filters('acf_register_field_group', $acfs);
// update cache
$this->set_cache('acf_field_groups', $acfs);
// return
if(empty($acfs))
{
return false;
}
return $acfs;
}
/*--------------------------------------------------------------------------------------
*
* get_acf_fields
* - returns an array of fields for a acf object
*
* @author Elliot Condon
* @since 1.0.0
*
*-------------------------------------------------------------------------------------*/
function get_acf_fields($post_id)
{
// vars
global $wpdb;
$return = array();
// get field from postmeta
$rows = $wpdb->get_results( $wpdb->prepare("SELECT meta_key FROM $wpdb->postmeta WHERE post_id = %d AND meta_key LIKE %s", $post_id, 'field\_%'), ARRAY_A);
if( $rows )
{
foreach( $rows as $row )
{
$field = $this->get_acf_field( $row['meta_key'], $post_id );
$return[ $field['order_no'] ] = $field;
}
ksort($return);
}
// return
return $return;
}
/*--------------------------------------------------------------------------------------
*
* get_acf_field
* - returns a field
* - $post_id can be passed to make sure the correct field is loaded. Eg: a duplicated
* field group may have the same field_key, but a different post_id
*
* @author Elliot Condon
* @since 1.0.0
*
*-------------------------------------------------------------------------------------*/
function get_acf_field( $field_key, $post_id = false )
{
// return cache
$cache = $this->get_cache('acf_field_' . $field_key);
if($cache != false)
{
return $cache;
}
// vars
global $wpdb;
// get field from postmeta
$sql = $wpdb->prepare("SELECT post_id, meta_value FROM $wpdb->postmeta WHERE meta_key = %s", $field_key);
if( $post_id )
{
$sql .= $wpdb->prepare("AND post_id = %d", $post_id);
}
$row = $wpdb->get_results( $sql, ARRAY_A );
if( $row )
{
$row = $row[0];
// return field if it is not in a trashed field group
if( get_post_status( $row['post_id'] ) != "trash" )
{
$row['meta_value'] = maybe_unserialize( $row['meta_value'] );
$row['meta_value'] = maybe_unserialize( $row['meta_value'] ); // run again for WPML
// store field
$field = $row['meta_value'];
// apply filters
$field = apply_filters('acf_load_field', $field);
$keys = array('type', 'name', 'key');
foreach( $keys as $key )
{
if( isset($field[ $key ]) )
{
$value = apply_filters('acf_load_field-' . $field[ $key ], $field);
}
}
// set cache
$this->set_cache('acf_field_' . $field_key, $field);
return $field;
}
}
// hook to load in registered field groups
$acfs = $this->get_field_groups();
if($acfs)
{
// loop through acfs
foreach($acfs as $acf)
{
// loop through fields
if($acf['fields'])
{
foreach($acf['fields'] as $field)
{
if($field['key'] == $field_key)
{
// apply filters
$field = apply_filters('acf_load_field', $field);
$keys = array('type', 'name', 'key');
foreach( $keys as $key )
{
if( isset($field[ $key ]) )
{
$value = apply_filters('acf_load_field-' . $field[ $key ], $field);
}
}
// set cache
$this->set_cache('acf_field_' . $field_key, $field);
return $field;
}
}
}
// if($acf['fields'])
}
// foreach($acfs as $acf)
}
// if($acfs)
return null;
}
/*
* acf_load_field
*
* @description:
* @since 3.5.1
* @created: 14/10/12
*/
function acf_load_field( $field )
{
if( !is_array($field) )
{
return $field;
}
$defaults = array(
'key' => '',
'label' => '',
'name' => '',
'type' => 'text',
'order_no' => 1,
'instructions' => '',
'required' => 0,
'conditional_logic' => array(
'status' => 0,
'allorany' => 'all',
'rules' => 0
),
);
$field = array_merge($defaults, $field);
// Parse Values
$field = apply_filters( 'acf_parse_value', $field );
return $field;
}
/*
* acf_parse_value
*
* @description:
* @since: 2.0.4
* @created: 9/12/12
*/
function acf_parse_value( $value )
{
// is value another array?
if( is_array($value) )
{
foreach( $value as $k => $v )
{
$value[ $k ] = apply_filters( 'acf_parse_value', $v );
}
}
else
{
// numbers
if( is_numeric($value) )
{
$value = (int) $value;
}
}
// return
return $value;
}
/*--------------------------------------------------------------------------------------
*
* create_field
*
* @author Elliot Condon
* @since 1.0.0
*
*-------------------------------------------------------------------------------------*/
function create_field($field)
{
if(!isset($this->fields[$field['type']]) || !is_object($this->fields[$field['type']]))
{
_e('Error: Field Type does not exist!','acf');
return false;
}
// defaults - class
if( ! isset($field['class']) )
{
$field['class'] = $field['type'];
}
// defaults - id
if( ! isset($field['id']) )
{
$id = $field['name'];
$id = str_replace('][', '_', $id);
$id = str_replace('fields[', '', $id);
$id = str_replace(']', '', $id);
$field['id'] = 'acf-' . $id;
}
$this->fields[ $field['type'] ]->create_field($field);
// conditional logic
// - isset is needed for the edit field group page where fields are created without many parameters
if( isset($field['conditional_logic']) && $field['conditional_logic']['status'] ):
$join = ' && ';
if( $field['conditional_logic']['allorany'] == "any" )
{
$join = ' || ';
}
?>
<script type="text/javascript">
(function($){
// create the conditional function
$(document).live('acf/conditional_logic/<?php echo $field['key']; ?>', function(){
var field = $('.field-<?php echo $field['key']; ?>');
<?php
$if = array();
foreach( $field['conditional_logic']['rules'] as $rule )
{
$if[] = 'acf.conditional_logic.calculate({ field : "'. $field['key'] .'", toggle : "' . $rule['field'] . '", operator : "' . $rule['operator'] .'", value : "' . $rule['value'] . '"})' ;
}
?>
if(<?php echo implode( $join, $if ); ?>)
{
field.show();
}
else
{
field.hide();
}
});
// add change events to all fields
<?php foreach( $field['conditional_logic']['rules'] as $rule ): ?>
$('.field-<?php echo $rule['field']; ?> *[name]').live('change', function(){
$(document).trigger('acf/conditional_logic/<?php echo $field['key']; ?>');
});
<?php endforeach; ?>
$(document).live('acf/setup_fields', function(e, postbox){
$(document).trigger('acf/conditional_logic/<?php echo $field['key']; ?>');
});
})(jQuery);
</script>
<?php
endif;
}
/*--------------------------------------------------------------------------------------
*
* get_acf_location
*
* @author Elliot Condon
* @since 1.0.0
*
*-------------------------------------------------------------------------------------*/
function get_acf_location($post_id)
{
// defaults
$return = array(
'rules' => array(),
'allorany' => 'all',
);
// vars
$allorany = get_post_meta($post_id, 'allorany', true);
if( $allorany )
{
$return['allorany'] = $allorany;
}
// get all fields
$rules = get_post_meta($post_id, 'rule', false);
if($rules)
{
foreach($rules as $rule)
{
// if field group was duplicated, it may now be a serialized string!
$rule = maybe_unserialize($rule);
$return['rules'][$rule['order_no']] = $rule;
}
}
// sort
ksort($return['rules']);
// return fields
return $return;
}
/*--------------------------------------------------------------------------------------
*
* get_acf_options
*
* @author Elliot Condon
* @since 1.0.0
*
*-------------------------------------------------------------------------------------*/
function get_acf_options($post_id)
{
// defaults
$options = array(
'position' => 'normal',
'layout' => 'no_box',
'hide_on_screen' => array(),
);
// vars
$position = get_post_meta($post_id, 'position', true);
if( $position )
{
$options['position'] = $position;
}
$layout = get_post_meta($post_id, 'layout', true);
if( $layout )
{
$options['layout'] = $layout;
}
$hide_on_screen = get_post_meta($post_id, 'hide_on_screen', true);
if( $hide_on_screen )
{
$hide_on_screen = maybe_unserialize($hide_on_screen);
$options['hide_on_screen'] = $hide_on_screen;
}
// return
return $options;
}
/*--------------------------------------------------------------------------------------
*
* get_value
*
* @author Elliot Condon
* @since 3.0.0
*
*-------------------------------------------------------------------------------------*/
function get_value($post_id, $field)
{
if( empty($this->fields) )
{
$this->setup_fields();
}
if( !isset($field['type'], $this->fields[ $field['type'] ]) )
{
return false;
}
return $this->fields[$field['type']]->get_value($post_id, $field);
}
/*--------------------------------------------------------------------------------------
*
* get_value_for_api
*
* @author Elliot Condon
* @since 3.0.0
*
*-------------------------------------------------------------------------------------*/
function get_value_for_api($post_id, $field)
{
if( empty($this->fields) )
{
$this->setup_fields();
}
if( !isset($field['type'], $this->fields[ $field['type'] ]) )
{
return false;
}
return $this->fields[$field['type']]->get_value_for_api($post_id, $field);
}