polylang / admin / admin-filters-media.php

admin-filters-media.php in Polylang 2.8.2, at admin/admin-filters-media.php

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1	<?php
2	/**
3	* @package Polylang
4	*/
5
6	/**
7	* Manages filters and actions related to media on admin side
8	* Capability to edit / create media is checked before loading this class
9	*
10	* @since 1.2
11	*/
12	class PLL_Admin_Filters_Media extends PLL_Admin_Filters_Post_Base {
13	public $posts;
14
15	/**
16	* Constructor: setups filters and actions
17	*
18	* @since 1.2
19	*
20	* @param object $polylang
21	*/
22	public function __construct( &$polylang ) {
23	parent::__construct( $polylang );
24
25	$this->posts = &$polylang->posts;
26
27	// Adds the language field and translations tables in the 'Edit Media' panel
28	add_filter( 'attachment_fields_to_edit', array( $this, 'attachment_fields_to_edit' ), 10, 2 );
29
30	// Adds actions related to languages when creating, saving or deleting media
31	add_filter( 'attachment_fields_to_save', array( $this, 'save_media' ), 10, 2 );
32
33	// Creates a media translation
34	if ( isset( $_GET['action'], $_GET['new_lang'], $_GET['from_media'] ) && 'translate_media' === $_GET['action'] ) { // phpcs:ignore WordPress.Security.NonceVerification
35	add_action( 'admin_init', array( $this, 'translate_media' ) );
36	}
37	}
38
39	/**
40	* Adds the language field and translations tables in the 'Edit Media' panel
41	* Needs WP 3.5+
42	*
43	* @since 0.9
44	*
45	* @param array $fields list of form fields
46	* @param object $post
47	* @return array modified list of form fields
48	*/
49	public function attachment_fields_to_edit( $fields, $post ) {
50	if ( 'post.php' == $GLOBALS['pagenow'] ) {
51	return $fields; // Don't add anything on edit media panel for WP 3.5+ since we have the metabox
52	}
53
54	$post_id = $post->ID;
55	$lang = $this->model->post->get_language( $post_id );
56
57	$dropdown = new PLL_Walker_Dropdown();
58	$fields['language'] = array(
59	'label' => __( 'Language', 'polylang' ),
60	'input' => 'html',
61	'html' => $dropdown->walk(
62	$this->model->get_languages_list(),
63	-1,
64	array(
65	'name' => sprintf( 'attachments[%d][language]', $post_id ),
66	'class' => 'media_lang_choice',
67	'selected' => $lang ? $lang->slug : '',
68	)
69	),
70	);
71
72	return $fields;
73	}
74
75	/**
76	* Creates a media translation
77	*
78	* @since 0.9
79	*/
80	public function translate_media() {
81	if ( isset( $_GET['from_media'], $_GET['new_lang'] ) ) {
82	// Security check
83	check_admin_referer( 'translate_media' );
84	$post_id = (int) $_GET['from_media'];
85
86	// Bails if the translations already exists
87	// See https://wordpress.org/support/topic/edit-translation-in-media-attachments?#post-7322303
88	// Or if the source media does not exist
89	if ( $this->model->post->get_translation( $post_id, sanitize_key( $_GET['new_lang'] ) ) \|\| ! get_post( $post_id ) ) {
90	wp_safe_redirect( wp_get_referer() );
91	exit;
92	}
93
94	$tr_id = $this->posts->create_media_translation( $post_id, sanitize_key( $_GET['new_lang'] ) );
95	wp_safe_redirect( admin_url( sprintf( 'post.php?post=%d&action=edit', $tr_id ) ) ); // WP 3.5+
96	exit;
97	}
98	}
99
100	/**
101	* Called when a media is saved
102	* Saves language and translations
103	*
104	* @since 0.9
105	*
106	* @param array $post
107	* @param array $attachment
108	* @return array unmodified $post
109	*/
110	public function save_media( $post, $attachment ) {
111	// Language is filled in attachment by the function applying the filter 'attachment_fields_to_save'
112	// All security checks have been done by functions applying this filter
113	if ( ! empty( $attachment['language'] ) ) {
114	$this->model->post->set_language( $post['ID'], $attachment['language'] );
115	}
116
117	if ( isset( $_POST['media_tr_lang'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
118	$this->save_translations( $post['ID'], array_map( 'absint', $_POST['media_tr_lang'] ) ); // phpcs:ignore WordPress.Security.NonceVerification
119	}
120
121	return $post;
122	}
123	}
124