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<?php | |
if( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly | |
if( ! class_exists('ACF_Media') ) : | |
class ACF_Media { | |
/** | |
* Constructor. | |
* | |
* @date 23/06/12 | |
* @since 5.0.0 | |
* | |
* @param void | |
* @return void | |
*/ | |
public function __construct() { | |
// Localize media strings. | |
add_action( 'acf/enqueue_scripts', array( $this, 'enqueue_scripts' ) ); | |
// Save files uploaded from basic `$_FILE` field. | |
add_action( 'acf/save_post', array( $this, 'save_files' ), 5, 1 ); | |
// Hook into Media Upload to run additional logic. | |
add_filter( 'wp_handle_upload_prefilter', array( $this, 'handle_upload_prefilter' ), 10, 1 ); | |
// Hook into Media Modal Query to run additional logic. | |
add_action( 'wp_ajax_query-attachments', array( $this, 'wp_ajax_query_attachments' ), -1 ); | |
} | |
/** | |
* Fires when ACF scrtips are enqueued. | |
* | |
* @date 27/4/18 | |
* @since 5.6.9 | |
* | |
* @param void | |
* @return void | |
*/ | |
public function enqueue_scripts(){ | |
if( wp_script_is('acf-input') ) { | |
acf_localize_text(array( | |
'Select.verb' => _x('Select', 'verb', 'acf'), | |
'Edit.verb' => _x('Edit', 'verb', 'acf'), | |
'Update.verb' => _x('Update', 'verb', 'acf'), | |
'Uploaded to this post' => __('Uploaded to this post', 'acf'), | |
'Expand Details' => __('Expand Details', 'acf'), | |
'Collapse Details' => __('Collapse Details', 'acf'), | |
'Restricted' => __('Restricted', 'acf'), | |
'All images' => __('All images', 'acf') | |
)); | |
acf_localize_data(array( | |
'mimeTypeIcon' => wp_mime_type_icon(), | |
'mimeTypes' => get_allowed_mime_types() | |
)); | |
} | |
} | |
/** | |
* Uploads attachments found in the basic `$_FILES` array. | |
* | |
* @date 24/10/2014 | |
* @since 5.0.9 | |
* | |
* @param string|int $post_id The post ID being saved. | |
* @return void | |
*/ | |
public function save_files( $post_id = 0 ) { | |
if( isset( $_FILES['acf']['name'] ) ) { | |
acf_upload_files(); | |
} | |
} | |
/** | |
* Filters data for the current file being uploaded. | |
* | |
* @date 16/02/2015 | |
* @since 5.1.5 | |
* | |
* @param array $file An array of data for a single file. | |
* @return array | |
*/ | |
public function handle_upload_prefilter( $file ) { | |
$field = $this->get_source_field(); | |
if( !$field ) { | |
return $file; | |
} | |
// Validate the attachment and append any errors. | |
$errors = acf_validate_attachment( $file, $field, 'upload' ); | |
/** | |
* Filters the errors for a file before it is uploaded to WordPress. | |
* | |
* @date 16/02/2015 | |
* @since 5.1.5 | |
* | |
* @param array $errors An array of errors. | |
* @param array $file An array of data for a single file. | |
* @param array $field The field array. | |
*/ | |
$errors = apply_filters( "acf/upload_prefilter/type={$field['type']}", $errors, $file, $field ); | |
$errors = apply_filters( "acf/upload_prefilter/name={$field['_name']}", $errors, $file, $field ); | |
$errors = apply_filters( "acf/upload_prefilter/key={$field['key']}", $errors, $file, $field ); | |
$errors = apply_filters( "acf/upload_prefilter", $errors, $file, $field ); | |
// Append errors. | |
if( !empty($errors) ) { | |
$file['error'] = implode("\n", $errors); | |
} | |
// Ensure newly uploaded image contains "preview_size" within the "size" data. | |
add_filter( 'image_size_names_choose', array( $this, 'image_size_names_choose' ), 10, 1 ); | |
// Return. | |
return $file; | |
} | |
/** | |
* Returns the field responsible for the current Media query or upload context. | |
* | |
* @date 21/5/21 | |
* @since 5.9.7 | |
* | |
* @param void | |
* @return array| false. | |
*/ | |
private function get_source_field() { | |
$field = false; | |
// Search for field key within available data. | |
// Case 1) Media modal query. | |
if( isset( $_POST['query']['_acfuploader'] ) ) { | |
$field_key = (string) $_POST['query']['_acfuploader']; | |
// Case 2) Media modal upload. | |
} elseif( isset( $_POST['_acfuploader'] ) ) { | |
$field_key = (string) $_POST['_acfuploader']; | |
} | |
// Attempt to load field. | |
// Note the `acf_get_field()` function will return false if not found. | |
if( isset( $field_key ) ) { | |
$field = acf_get_field( $field_key ); | |
} | |
return $field; | |
} | |
/** | |
* Fires during the WP Modal Query AJAX call. | |
* | |
* @date 26/06/2015 | |
* @since 5.2.3 | |
* | |
* @param void | |
* @return void | |
*/ | |
function wp_ajax_query_attachments() { | |
if( $this->get_source_field() ) { | |
add_filter( 'wp_prepare_attachment_for_js', array( $this, 'wp_prepare_attachment_for_js' ), 10, 3 ); | |
add_filter( 'image_size_names_choose', array( $this, 'image_size_names_choose' ), 10, 1 ); | |
} | |
} | |
/** | |
* Filters attachment data as it is being prepared for JS. | |
* | |
* @date 21/5/21 | |
* @since 5.9.7 | |
* | |
* @param array $response Array of prepared attachment data. | |
* @param WP_Post $attachment Attachment object. | |
* @param array|false $meta Array of attachment meta data, or false if there is none. | |
* @return array | |
*/ | |
function wp_prepare_attachment_for_js( $response, $attachment, $meta ) { | |
$field = $this->get_source_field(); | |
// Validate the attachment and append any errors. | |
$errors = acf_validate_attachment( $response, $field, 'prepare' ); | |
if( !empty($errors) ) { | |
$response['acf_errors'] = implode('<br />', $errors); | |
} | |
// Return. | |
return $response; | |
} | |
/** | |
* Filters the names and labels of the default image sizes. | |
* | |
* @date 21/5/21 | |
* @since 5.9.7 | |
* | |
* @param array $size_names Array of image size labels keyed by their name. | |
* @return array | |
*/ | |
function image_size_names_choose( $size_names ) { | |
$field = $this->get_source_field(); | |
// Append "preview_size" setting to array of image sizes so WP will include in prepared JS data. | |
if( isset( $field['preview_size'] ) ) { | |
$name = (string) $field['preview_size']; | |
$size_names[ $name ] = $name; // Don't worry about size label, it is never used. | |
} | |
return $size_names; | |
} | |
} | |
// Instantiate. | |
acf_new_instance( 'ACF_Media' ); | |
endif; // class_exists check |
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