108 lines
3.4 KiB
PHP
108 lines
3.4 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* SVG icons related functions
|
||
|
|
*
|
||
|
|
* @package WordPress
|
||
|
|
* @subpackage Twenty_Nineteen
|
||
|
|
* @since Twenty Nineteen 1.0
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the SVG code for a given icon.
|
||
|
|
*/
|
||
|
|
function twentynineteen_get_icon_svg( $icon, $size = 24 ) {
|
||
|
|
return TwentyNineteen_SVG_Icons::get_svg( 'ui', $icon, $size );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the SVG code for a given social icon.
|
||
|
|
*/
|
||
|
|
function twentynineteen_get_social_icon_svg( $icon, $size = 24 ) {
|
||
|
|
return TwentyNineteen_SVG_Icons::get_svg( 'social', $icon, $size );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Detects the social network from a URL and returns the SVG code for its icon.
|
||
|
|
*/
|
||
|
|
function twentynineteen_get_social_link_svg( $uri, $size = 24 ) {
|
||
|
|
return TwentyNineteen_SVG_Icons::get_social_link_svg( $uri, $size );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Display SVG icons in social links menu.
|
||
|
|
*
|
||
|
|
* @param string $item_output The menu item's starting HTML output.
|
||
|
|
* @param WP_Post $item Menu item data object.
|
||
|
|
* @param int $depth Depth of the menu. Used for padding.
|
||
|
|
* @param stdClass $args An object of wp_nav_menu() arguments.
|
||
|
|
* @return string The menu item output with social icon.
|
||
|
|
*/
|
||
|
|
function twentynineteen_nav_menu_social_icons( $item_output, $item, $depth, $args ) {
|
||
|
|
// Change SVG icon inside social links menu if there is supported URL.
|
||
|
|
if ( 'social' === $args->theme_location ) {
|
||
|
|
$svg = twentynineteen_get_social_link_svg( $item->url, 32 );
|
||
|
|
if ( empty( $svg ) ) {
|
||
|
|
$svg = twentynineteen_get_icon_svg( 'link' );
|
||
|
|
}
|
||
|
|
$item_output = str_replace( $args->link_after, '</span>' . $svg, $item_output );
|
||
|
|
}
|
||
|
|
|
||
|
|
return $item_output;
|
||
|
|
}
|
||
|
|
add_filter( 'walker_nav_menu_start_el', 'twentynineteen_nav_menu_social_icons', 10, 4 );
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a dropdown icon to top-level menu items.
|
||
|
|
*
|
||
|
|
* @param string $item_output The menu item's starting HTML output.
|
||
|
|
* @param WP_Post $item Menu item data object.
|
||
|
|
* @param int $depth Depth of the menu. Used for padding.
|
||
|
|
* @param stdClass $args An object of wp_nav_menu() arguments.
|
||
|
|
* @return string Nav menu item start element.
|
||
|
|
*/
|
||
|
|
function twentynineteen_add_dropdown_icons( $item_output, $item, $depth, $args ) {
|
||
|
|
|
||
|
|
// Only add class to 'top level' items on the 'primary' menu.
|
||
|
|
if ( ! isset( $args->theme_location ) || 'menu-1' !== $args->theme_location ) {
|
||
|
|
return $item_output;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( in_array( 'mobile-parent-nav-menu-item', $item->classes, true ) && isset( $item->original_id ) ) {
|
||
|
|
// Inject the keyboard_arrow_left SVG inside the parent nav menu item, and let the item link to the parent item.
|
||
|
|
// @todo Only do this for nested submenus? If on a first-level submenu, then really the link could be "#" since the desire is to remove the target entirely.
|
||
|
|
$link = sprintf(
|
||
|
|
'<button class="menu-item-link-return" tabindex="-1">%s',
|
||
|
|
twentynineteen_get_icon_svg( 'chevron_left', 24 )
|
||
|
|
);
|
||
|
|
|
||
|
|
// Replace opening <a> with <button>.
|
||
|
|
$item_output = preg_replace(
|
||
|
|
'/<a\s.*?>/',
|
||
|
|
$link,
|
||
|
|
$item_output,
|
||
|
|
1 // Limit.
|
||
|
|
);
|
||
|
|
|
||
|
|
// Replace closing </a> with </button>.
|
||
|
|
$item_output = preg_replace(
|
||
|
|
'#</a>#i',
|
||
|
|
'</button>',
|
||
|
|
$item_output,
|
||
|
|
1 // Limit.
|
||
|
|
);
|
||
|
|
|
||
|
|
} elseif ( in_array( 'menu-item-has-children', $item->classes, true ) ) {
|
||
|
|
|
||
|
|
// Add SVG icon to parent items.
|
||
|
|
$icon = twentynineteen_get_icon_svg( 'keyboard_arrow_down', 24 );
|
||
|
|
|
||
|
|
$item_output .= sprintf(
|
||
|
|
'<button class="submenu-expand" tabindex="-1">%s</button>',
|
||
|
|
$icon
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $item_output;
|
||
|
|
}
|
||
|
|
add_filter( 'walker_nav_menu_start_el', 'twentynineteen_add_dropdown_icons', 10, 4 );
|