← All changes | src/frontend/frontend-nav-menu.php +67 -65 3.8.9 → trunk View file →

		@@ -2,8 +2,13 @@
2	2	/**
3	3	* @package Polylang
4	4	*/
5	5
	6	+use WP_Syntex\Polylang\Switcher\Switcher;
	7	+use WP_Syntex\Polylang\Switcher\Element\Nav;
	8	+use WP_Syntex\Polylang\Switcher\Fields\Menu as Fields;
	9	+use WP_Syntex\Polylang\Switcher\Settings\Menu as Settings;
	10	+
6	11	/**
7	12	* Manages custom menus translations as well as the language switcher menu item on frontend
8	13	*
9	14	* @since 1.2
		@@ -16,8 +21,13 @@
16	21	*/
17	22	public $curlang;
18	23
19	24	/**
	25	+ * @var PLL_Links|null
	26	+ */
	27	+ private ?PLL_Links $links;
	28	+
	29	+ /**
20	30	* Constructor
21	31	*
22	32	* @since 1.2
23	33	*
		@@ -26,8 +36,9 @@
26	36	public function __construct( &$polylang ) {
27	37	parent::__construct( $polylang );
28	38
29	39	$this->curlang = &$polylang->curlang;
	40	+ $this->links = &$polylang->links;
30	41
31	42	// Split the language switcher menu item in several language menu items
32	43	add_filter( 'wp_get_nav_menu_items', array( $this, 'wp_get_nav_menu_items' ), 20 ); // after the customizer menus
33	44	add_filter( 'wp_nav_menu_objects', array( $this, 'wp_nav_menu_objects' ) );
		@@ -57,31 +68,8 @@
57	68	return ( $a->menu_order < $b->menu_order ) ? -1 : 1;
58	69	}
59	70
60	71	/**
61		- * Format a language switcher menu item title based on options
62		- *
63		- * @since 2.2.6
64		- *
65		- * @param string $flag Formatted flag
66		- * @param string $name Language name
67		- * @param array $options Language switcher options
68		- * @return string Formatted menu item title
69		- */
70		- protected function get_item_title( $flag, $name, $options ) {
71		- if ( $options['show_flags'] ) {
72		- if ( $options['show_names'] ) {
73		- $title = sprintf( '%1$s<span style="margin-%2$s:0.3em;">%3$s</span>', $flag, is_rtl() ? 'right' : 'left', esc_html( $name ) );
74		- } else {
75		- $title = $flag;
76		- }
77		- } else {
78		- $title = esc_html( $name );
79		- }
80		- return $title;
81		- }
82		-
83		- /**
84	72	* Splits the one language switcher menu item of backend in several menu items on frontend.
85	73	* Takes care to menu_order as it is used later in wp_nav_menu().
86	74	*
87	75	* @since 1.1.1
		@@ -89,9 +77,9 @@
89	77	* @param stdClass[] $items Menu items.
90	78	* @return stdClass[] Modified menu items.
91	79	*/
92	80	public function wp_get_nav_menu_items( $items ) {
93		- if ( empty( $this->curlang ) ) {
	81	+ if ( empty( $this->curlang ) || empty( $this->links ) ) {
94	82	return $items;
95	83	}
96	84
97	85	if ( doing_action( 'customize_register' ) ) { // needed since WP 4.3, doing_action available since WP 3.9
		@@ -101,59 +89,73 @@
101	89	// The customizer menus does not sort the items and we need them to be sorted before splitting the language switcher
102	90	usort( $items, array( $this, 'usort_menu_items' ) );
103	91
104	92	$new_items = array();
	93	+ $offset = 0;
105	94
106		- $offset = 0;
	95	+ foreach ( $items as $item ) {
	96	+ $options = get_post_meta( $item->ID, '_pll_menu_item', true );
107	97
108		- foreach ( $items as $item ) {
109		- if ( $options = get_post_meta( $item->ID, '_pll_menu_item', true ) ) {
110		- /** This filter is documented in src/switcher.php */
111		- $options = apply_filters( 'pll_the_languages_args', $options ); // Honor the filter here for 'show_flags', 'show_names' and 'dropdown'.
	98	+ if ( empty( $options ) || ! is_array( $options ) ) {
	99	+ $item->menu_order += $offset;
	100	+ $new_items[] = $item;
	101	+ continue;
	102	+ }
112	103
113		- $switcher = new PLL_Switcher();
114		- $args = array_merge( array( 'raw' => 1 ), $options );
	104	+ $settings = new Settings( Fields::remove_legacy_settings( $options ) );
	105	+ $elements = ( new Switcher( $settings, $this->links ) )->get_elements();
115	106
116		- /** @var array */
117		- $the_languages = $switcher->the_languages( PLL()->links, $args );
	107	+ if ( empty( $elements ) ) {
	108	+ continue;
	109	+ }
118	110
119		- // parent item for dropdown
120		- if ( ! empty( $options['dropdown'] ) ) {
121		- $name = isset( $options['display_names_as'] ) && 'slug' === $options['display_names_as'] ? $this->curlang->slug : $this->curlang->name;
122		- $item->title = $this->get_item_title( $this->curlang->get_display_flag( empty( $options['show_names'] ) ? 'alt' : 'no-alt' ), $name, $options );
123		- $item->attr_title = '';
124		- $item->classes = array( 'pll-parent-menu-item' );
125		- $item->menu_order += $offset;
126		- $new_items[] = $item;
127		- ++$offset;
	111	+ if ( 'dropdown' === $settings->layout ) {
	112	+ // Parent item for dropdown.
	113	+ $element = new Nav( $this->curlang, $settings, $this->links );
	114	+
	115	+ $item->title = $element->get_label();
	116	+ $item->attr_title = '';
	117	+ $item->url = $element->url;
	118	+ $item->classes = array_merge( $item->classes, $element->item_classes, array( 'pll-parent-menu-item' ) );
	119	+ $item->menu_order += $offset;
	120	+
	121	+ if ( $settings->show_flags ) {
	122	+ // Since it is added to the parent `<li>`, no need to add it to the child elements too.
	123	+ $item->classes[] = 'pll-aspect-ratio-' . str_replace( ':', '', $settings->flag_aspect_ratio );
128	124	}
129	125
130		- $i = 0; // for incrementation of menu order only in case of dropdown
131		- foreach ( $the_languages as $lang ) {
132		- ++$i;
133		- $lang_item = clone $item;
134		- $lang_item->ID = $lang_item->ID . '-' . $lang['slug']; // A unique ID
135		- $lang_item->title = $this->get_item_title( $lang['flag'], $lang['name'], $options );
136		- $lang_item->attr_title = '';
137		- $lang_item->url = $lang['url'];
138		- $lang_item->lang = $lang['locale']; // Save this for use in nav_menu_link_attributes
139		- $lang_item->classes = $lang['classes'];
140		- if ( ! empty( $options['dropdown'] ) ) {
141		- $lang_item->menu_order = $item->menu_order + $i;
142		- $lang_item->menu_item_parent = $item->db_id;
143		- $lang_item->db_id = 0; // to avoid recursion
144		- } else {
145		- $lang_item->menu_order += $offset;
146		- }
147		- $new_items[] = $lang_item;
148		- ++$offset;
	126	+ $new_items[] = $item;
	127	+ ++$offset;
	128	+ }
	129	+
	130	+ $i = 0; // For incrementation of menu order only in case of dropdown.
	131	+ foreach ( $elements as $element ) {
	132	+ ++$i;
	133	+ $lang_item = clone $item;
	134	+
	135	+ $lang_item->ID = "{$lang_item->ID}-{$element->slug}"; // A unique ID.
	136	+ $lang_item->title = $element->get_label();
	137	+ $lang_item->attr_title = '';
	138	+ $lang_item->url = $element->url;
	139	+ $lang_item->lang = $element->locale; // Save this for use in nav_menu_link_attributes.
	140	+ $lang_item->classes = $element->item_classes;
	141	+
	142	+ if ( 'dropdown' === $settings->layout ) {
	143	+ $lang_item->menu_order = $item->menu_order + $i;
	144	+ $lang_item->menu_item_parent = $item->db_id;
	145	+ $lang_item->db_id = 0; // To avoid recursion.
	146	+ } else {
	147	+ $lang_item->classes = array_diff( $lang_item->classes, array( 'lang-item-first' ) ); // Doesn't mean anything here.
	148	+ $lang_item->classes[] = 'pll-aspect-ratio-' . str_replace( ':', '', $settings->flag_aspect_ratio );
	149	+ $lang_item->menu_order += $offset;
149	150	}
150		- --$offset;
151		- } else {
152		- $item->menu_order += $offset;
153		- $new_items[] = $item;
	151	+
	152	+ $new_items[] = $lang_item;
	153	+ ++$offset;
154	154	}
	155	+ --$offset;
155	156	}
	157	+
156	158	return $new_items;
157	159	}
158	160
159	161	/**