polylang / admin / admin.php

admin.php in Polylang 1.9.2, 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 admin content
15	* pref_lang => inherited, preferred language used as default when saving posts or terms
16	* filters => reference to PLL_Filters object
17	* filters_columns => reference to PLL_Admin_Filters_Columns object
18	* filters_post => reference to PLL_Admin_Filters_Post object
19	* filters_term => reference to PLL_Admin_filters_Term object
20	* nav_menu => reference to PLL_Admin_Nav_Menu object
21	* filters_media => optional, reference to PLL_Admin_Filters_Media object
22	*
23	* @since 1.2
24	*/
25	class PLL_Admin extends PLL_Admin_Base {
26	public $filters, $filters_columns, $filters_post, $filters_term, $nav_menu, $sync, $filters_media;
27
28	/**
29	* loads the polylang text domain
30	* setups filters and action needed on all admin pages and on plugins page
31	*
32	* @since 1.2
33	*
34	* @param object $links_model
35	*/
36	public function __construct( &$links_model ) {
37	parent::__construct( $links_model );
38
39	// adds a 'settings' link in the plugins table
40	add_filter( 'plugin_action_links_' . POLYLANG_BASENAME, array( &$this, 'plugin_action_links' ) );
41	add_action( 'in_plugin_update_message-' . POLYLANG_BASENAME, array( &$this, 'plugin_update_message' ), 10, 2 );
42	}
43
44	/**
45	* setups filters and action needed on all admin pages and on plugins page
46	* loads the settings pages or the filters base on the request
47	*
48	* @since 1.2
49	*
50	* @param object $links_model
51	*/
52	public function init() {
53	parent::init();
54
55	// setup filters for admin pages
56	// priority 5 to make sure filters are there before customize_register is fired
57	if ( $this->model->get_languages_list() ) {
58	add_action( 'wp_loaded', array( &$this, 'add_filters' ), 5 );
59	}
60	}
61
62	/**
63	* adds a 'settings' link in the plugins table
64	*
65	* @since 0.1
66	*
67	* @param array $links list of links associated to the plugin
68	* @return array modified list of links
69	*/
70	public function plugin_action_links( $links ) {
71	array_unshift( $links, '<a href="admin.php?page=mlang">' . __( 'Settings', 'polylang' ) . '</a>' );
72	return $links;
73	}
74
75	/**
76	* adds the upgrade notice in plugins table
77	*
78	* @since 1.1.6
79	*
80	* @param array $plugin_data not used
81	* @param object $r plugin update data
82	*/
83	function plugin_update_message( $plugin_data, $r ) {
84	if ( isset( $r->upgrade_notice ) ) {
85	printf( '<p style="margin: 3px 0 0 0; border-top: 1px solid #ddd; padding-top: 3px">%s</p>', esc_html( $r->upgrade_notice ) );
86	}
87	}
88
89	/**
90	* setup filters for admin pages
91	*
92	* @since 1.2
93	*/
94	public function add_filters() {
95	// all these are separated just for convenience and maintainability
96	$classes = array( 'Filters', 'Filters_Columns', 'Filters_Post', 'Filters_Term', 'Nav_Menu', 'Sync' );
97
98	// don't load media filters if option is disabled or if user has no right
99	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 ) ) ) {
100	$classes[] = 'Filters_Media';
101	}
102
103	foreach ( $classes as $class ) {
104	$obj = strtolower( $class );
105
106	/**
107	* Filter the class to instantiate when loding admin filters
108	*
109	* @since 1.5
110	*
111	* @param string $class class name
112	*/
113	$class = apply_filters( 'pll_' . $obj, 'PLL_Admin_' . $class );
114	$this->$obj = new $class( $this );
115	}
116	}
117	}
118