polylang / admin / admin.php

admin.php in Polylang 2.0.5, at admin/admin.php

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1	<?php
2
3	/**
4	* admin side controller
5	* accessible in $polylang global object
6	*
7	* properties:
8	* options => inherited, reference to Polylang options array
9	* model => inherited, reference to PLL_Model object
10	* links_model => inherited, reference to PLL_Links_Model object
11	* links => inherited, reference to PLL_Admin_Links object
12	* static_pages => inherited, reference to PLL_Admin_Static_Pages object
13	* filters_links => inherited, reference to PLL_Filters_Links object
14	* curlang => inherited, optional, current language used to filter the content (language of the post or term being edited, equal to filter_lang otherwise)
15	* filter_lang => inherited, optional, current status of the admin languages filter (in the admin bar)
16	* pref_lang => inherited, preferred language used as default when saving posts or terms
17	* filters => reference to PLL_Filters object
18	* filters_columns => reference to PLL_Admin_Filters_Columns object
19	* filters_post => reference to PLL_Admin_Filters_Post object
20	* filters_term => reference to PLL_Admin_filters_Term object
21	* nav_menu => reference to PLL_Admin_Nav_Menu object
22	* filters_media => optional, reference to PLL_Admin_Filters_Media object
23	*
24	* @since 1.2
25	*/
26	class PLL_Admin extends PLL_Admin_Base {
27	public $filters, $filters_columns, $filters_post, $filters_term, $nav_menu, $sync, $filters_media;
28
29	/**
30	* loads the polylang text domain
31	* setups filters and action needed on all admin pages and on plugins page
32	*
33	* @since 1.2
34	*
35	* @param object $links_model
36	*/
37	public function __construct( &$links_model ) {
38	parent::__construct( $links_model );
39
40	// adds a 'settings' link in the plugins table
41	add_filter( 'plugin_action_links_' . POLYLANG_BASENAME, array( $this, 'plugin_action_links' ) );
42	add_action( 'in_plugin_update_message-' . POLYLANG_BASENAME, array( $this, 'plugin_update_message' ), 10, 2 );
43	}
44
45	/**
46	* setups filters and action needed on all admin pages and on plugins page
47	* loads the settings pages or the filters base on the request
48	*
49	* @since 1.2
50	*
51	* @param object $links_model
52	*/
53	public function init() {
54	parent::init();
55
56	// setup filters for admin pages
57	// priority 5 to make sure filters are there before customize_register is fired
58	if ( $this->model->get_languages_list() ) {
59	add_action( 'wp_loaded', array( $this, 'add_filters' ), 5 );
60	}
61	}
62
63	/**
64	* adds a 'settings' link in the plugins table
65	*
66	* @since 0.1
67	*
68	* @param array $links list of links associated to the plugin
69	* @return array modified list of links
70	*/
71	public function plugin_action_links( $links ) {
72	array_unshift( $links, '<a href="admin.php?page=mlang">' . __( 'Settings', 'polylang' ) . '</a>' );
73	return $links;
74	}
75
76	/**
77	* adds the upgrade notice in plugins table
78	*
79	* @since 1.1.6
80	*
81	* @param array $plugin_data not used
82	* @param object $r plugin update data
83	*/
84	function plugin_update_message( $plugin_data, $r ) {
85	if ( isset( $r->upgrade_notice ) ) {
86	printf( '<p style="margin: 3px 0 0 0; border-top: 1px solid #ddd; padding-top: 3px">%s</p>', esc_html( $r->upgrade_notice ) );
87	}
88	}
89
90	/**
91	* setup filters for admin pages
92	*
93	* @since 1.2
94	*/
95	public function add_filters() {
96	// all these are separated just for convenience and maintainability
97	$classes = array( 'Filters', 'Filters_Columns', 'Filters_Post', 'Filters_Term', 'Nav_Menu', 'Sync' );
98
99	// don't load media filters if option is disabled or if user has no right
100	if ( $this->options['media_support'] && ( $obj = get_post_type_object( 'attachment' ) ) && ( current_user_can( $obj->cap->edit_posts ) \|\| current_user_can( $obj->cap->create_posts ) ) ) {
101	$classes[] = 'Filters_Media';
102	}
103
104	foreach ( $classes as $class ) {
105	$obj = strtolower( $class );
106
107	/**
108	* Filter the class to instantiate when loding admin filters
109	*
110	* @since 1.5
111	*
112	* @param string $class class name
113	*/
114	$class = apply_filters( 'pll_' . $obj, 'PLL_Admin_' . $class );
115	$this->$obj = new $class( $this );
116	}
117	}
118	}
119