polylang / admin / admin-filters-media.php

admin-filters-media.php in Polylang 2.6.2, at admin/admin-filters-media.php

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