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<?php
/**
* Custom functions that act independently of the theme templates.
*
* Eventually, some of the functionality here could be replaced by core features.
*
* @package Refru
*/
/**
* Adds custom classes to the array of body classes.
*
* @param array $classes Classes for the body element.
* @return array
*/
function refru_body_classes( $classes ) {
$refru_theme_data = wp_get_theme();
$classes[] = sanitize_title( $refru_theme_data['Name'] );
$classes[] = 'v' . $refru_theme_data['Version'];
// Add Animations Class
$refru_site_animations = get_theme_mod( 'refru_site_animations', 'true' );
if ( 'true' == $refru_site_animations ) {
$classes[] = 'refru-animations';
}
// Add class for background color
$background_color = get_background_color();
if ( ! empty( $background_color ) ) {
$color = ariColor::newColor( $background_color );
if ( 127 < $color->luminance ) {
$classes[] = 'refru-light-background';
} else {
$classes[] = 'refru-dark-background';
}
}
//Add class for Blog Layout
$classes[] = 'refru-blog-layout-5';
//Add class if there is Sidebar
if ( is_active_sidebar( 'sidebar-1' ) ) {
$classes[] = 'refru-with-sidebar';
} else {
$classes[] = 'refru-with-out-sidebar';
}
//Add class for Header Menu Type
$refru_menu_type = get_theme_mod( 'refru_header_menu_type', 'regular-menu' );
if ( isset( $_GET['menu_type'] ) ) {
$refru_menu_type = sanitize_text_field( wp_unslash( $_GET['menu_type'] ) );
}
if ( 'mega-menu' == $refru_menu_type ) {
$classes[] = 'refru-mega-menu';
} else {
$classes[] = 'refru-regular-menu';
}
//Add class for Header Absolute
$refru_header_absolute = get_theme_mod( 'refru_header_absolute', false );
if ( function_exists( 'is_shop' ) && is_shop() ) {
$shop_id = get_option( 'woocommerce_shop_page_id' );
}
if ( isset( $_GET['header_absolute'] ) ) {
$refru_header_absolute = sanitize_text_field( wp_unslash( $_GET['header_absolute'] ) );
}
if ( $refru_header_absolute ) {
$classes[] = 'refru-header-absolute';
}
//Add class for Shop Sidebar Position
$classes[] = 'refru-shop-sidebar-both';
//Add class for Single Product Layout
$refru_shop_single_product_layout = get_theme_mod( 'refru_shop_single_product_layout', 'product-fullwidth' );
if ( isset( $_GET['single_product_layout'] ) ) {
$refru_shop_single_product_layout = sanitize_text_field( wp_unslash( $_GET['single_product_layout'] ) );
}
$classes[] = 'refru-' . esc_attr( $refru_shop_single_product_layout );
return $classes;
}
add_filter( 'body_class', 'refru_body_classes' );
if ( ! function_exists( 'refru_new_content_more' ) ) {
function refru_new_content_more( $more ) {
global $post;
return ' <br><a href="' . esc_url( get_permalink() ) . '" class="more-link read-more">' . esc_html__( 'Read more', 'refru' ) . ' <i class="ql-icon-arrow-right"></i></a>';
}
} // end function_exists
add_filter( 'the_content_more_link', 'refru_new_content_more' );
/**
* Convert HEX colors to RGB
*/
function refru_hex2rgb( $colour ) {
$colour = str_replace( "#", "", $colour );
if ( strlen( $colour ) == 6 ) {
list( $r, $g, $b ) = array( $colour[0] . $colour[1], $colour[2] . $colour[3], $colour[4] . $colour[5] );
} elseif ( strlen( $colour ) == 3 ) {
list( $r, $g, $b ) = array( $colour[0] . $colour[0], $colour[1] . $colour[1], $colour[2] . $colour[2] );
} else {
return false;
}
$r = hexdec( $r );
$g = hexdec( $g );
$b = hexdec( $b );
return array( 'red' => $r, 'green' => $g, 'blue' => $b );
}
/**
* Avoid undefined functions if Meta Box is not activated
*
* @return bool
*/
if ( ! function_exists( 'rwmb_meta' ) ) {
function rwmb_meta( $key, $args = '', $post_id = null ) {
return false;
}
}
/**
* Return a darker color in HEX
*
* @return string
*/
function refru_darken_color( $rgb, $darker = 2 ) {
$hash = ( strpos( $rgb, '#' ) !== false ) ? '#' : '';
$rgb = ( strlen( $rgb ) == 7 ) ? str_replace( '#', '', $rgb ) : ( ( strlen( $rgb ) == 6 ) ? $rgb : false );
if ( strlen( $rgb ) != 6 ) {
return $hash . '000000';
}
$darker = ( $darker > 1 ) ? $darker : 1;
list( $R16, $G16, $B16 ) = str_split( $rgb, 2 );
$R = sprintf( "%02X", floor( hexdec( $R16 ) / $darker ) );
$G = sprintf( "%02X", floor( hexdec( $G16 ) / $darker ) );
$B = sprintf( "%02X", floor( hexdec( $B16 ) / $darker ) );
return $hash . $R . $G . $B;
}
/**
* Return CSS class for #content
*
* @return bool
*/
if ( ! function_exists( 'refru_content_css_class' ) ) {
function refru_content_css_class() {
if ( is_page_template( 'template-full-width.php' ) ) {
return 'col-md-12';
}
if ( is_page_template( 'template-2-shop-sidebars.php' ) ) {
return 'col-md-8 order-2';
}
if ( is_home() ) { // blog page
return '';
}
if ( is_active_sidebar( 'sidebar-1' ) && ! is_singular( array( 'product' ) ) ) {
return 'col-md-8';
} elseif ( is_singular( array( 'product' ) ) ) {
return 'col-md-12';
} else {
return 'col-md-12';
}
return 'col-md-8 offset-md-2';
}
}
/**
* Return CSS class for Shop Page
*
* @return bool
*/
if ( ! function_exists( 'refru_shop_css_class' ) ) {
function refru_shop_css_class() {
if ( isset( $_GET['shop_no_sidebar'] ) ) {
return 'col-md-12';
}
return 'col-md-8 order-1 order-sm-1';
}
}
/**
* Return CSS class for Container
*
* @return bool
*/
if ( ! function_exists( 'refru_container_css_class' ) ) {
function refru_container_css_class() {
//Default
$container_css_class = 'container-fluid';
if ( is_singular( 'post' ) ) {
$container_css_class = '';
} elseif ( is_home() ) { // Blog page
$container_css_class = '';
}
return $container_css_class;
}
}
/**
* Return CSS class for Main
*
* @return bool
*/
if ( ! function_exists( 'refru_main_css_class' ) ) {
function refru_main_css_class() {
//Default
$main_css_class = 'row';
if ( is_singular( 'post' ) ) {
$main_css_class = '';
} elseif ( is_home() ) { // Blog page
$main_css_class = '';
}
return $main_css_class;
}
}
/**
* Return SVG markup.
*
* @param array $args {
* Parameters needed to display an SVG.
*
* @type string $icon Required SVG icon filename.
* @type string $title Optional SVG title.
* @type string $desc Optional SVG description.
* }
* @return string SVG markup.
*/
function refru_get_svg( $args = array() ) {
// Make sure $args are an array.
if ( empty( $args ) ) {
return __( 'Please define default parameters in the form of an array.', 'refru' );
}
// Define an icon.
if ( false === array_key_exists( 'icon', $args ) ) {
return __( 'Please define an SVG icon filename.', 'refru' );
}
// Set defaults.
$defaults = array(
'icon' => '',
'title' => '',
'desc' => '',
'fallback' => false,
);
// Parse args.
$args = wp_parse_args( $args, $defaults );
// Set aria hidden.
$aria_hidden = ' aria-hidden="true"';
// Set ARIA.
$aria_labelledby = '';
if ( $args['title'] ) {
$aria_hidden = '';
$unique_id = uniqid();
$aria_labelledby = ' aria-labelledby="title-' . $unique_id . '"';
if ( $args['desc'] ) {
$aria_labelledby = ' aria-labelledby="title-' . $unique_id . ' desc-' . $unique_id . '"';
}
}
// Begin SVG markup.
$svg = '<svg class="icon icon-' . esc_attr( $args['icon'] ) . '"' . $aria_hidden . $aria_labelledby . ' role="img">';
// Display the title.
if ( $args['title'] ) {
$svg .= '<title id="title-' . $unique_id . '">' . esc_html( $args['title'] ) . '</title>';
// Display the desc only if the title is already set.
if ( $args['desc'] ) {
$svg .= '<desc id="desc-' . $unique_id . '">' . esc_html( $args['desc'] ) . '</desc>';
}
}
/*
* Display the icon.
*
* The whitespace around `<use>` is intentional - it is a work around to a keyboard navigation bug in Safari 10.
*
* See https://core.trac.wordpress.org/ticket/38387.
*/
$svg .= ' <use href="#icon-' . esc_attr( $args['icon'] ) . '"
xlink:href="#icon-' . esc_attr( $args['icon'] ) . '"></use> ';
// Add some markup to use as a fallback for browsers that do not support SVGs.
if ( $args['fallback'] ) {
$svg .= '<span class="svg-fallback icon-' . esc_attr( $args['icon'] ) . '"></span>';
}
$svg .= '</svg>';
return $svg;
}
/**
* Add dropdown icon if menu item has children.
*
* @param string $title The menu item's title.
* @param object $item The current menu item.
* @param array $args An array of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
* @return string $title The menu item's title with dropdown icon.
*/
function refru_dropdown_icon_to_menu_link( $title, $item, $args, $depth ) {
if ( 'primary' === $args->theme_location ) {
foreach ( $item->classes as $value ) {
if ( 'menu-item-has-children' === $value || 'page_item_has_children' === $value ) {
$title = $title . '<i class="fa-angle-down fa icon"></i>';
}
}
}
return $title;
}
add_filter( 'nav_menu_item_title', 'refru_dropdown_icon_to_menu_link', 10, 4 );
/**
* Add a pingback url auto-discovery header for single posts, pages, or attachments.
*/
function refru_pingback_header() {
if ( is_singular() && pings_open() ) {
echo '
<link rel="pingback" href="', esc_url( get_bloginfo( 'pingback_url' ) ), '">';
}
}
add_action( 'wp_head', 'refru_pingback_header' );
/**
* Return the complete URL to the selected Google Font
*
*/
function refru_get_google_font() {
$refru_typography_font_family = get_theme_mod( 'refru_typography_font_family', 'Lato' );
$refru_typography_subsets = get_theme_mod( 'refru_typography_subsets', '' );
// URL friendly
$refru_typography_font_family = str_replace( ' ', '+', $refru_typography_font_family );
//Add Google Fonts
$refru_font_subset = '';
if ( is_array( $refru_typography_subsets ) && ! empty( $refru_typography_subsets ) ) {
$refru_font_subset = '&subset=';
foreach ( $refru_typography_subsets as $subset ) {
$refru_font_subset .= $subset . ',';
}
$refru_font_subset = rtrim( $refru_font_subset, ',' );
}
$refru_google_font = 'https://fonts.googleapis.com/css?family=' . $refru_typography_font_family . ':400,700' .
$refru_font_subset;
return esc_url( $refru_google_font );
}
/**
* Return the complete URL to the selected Google Font for Headings
*
*/
function refru_get_google_font_headings() {
$refru_typography_font_family = get_theme_mod( 'refru_typography_font_family_headings', 'Lato' );
$refru_typography_subsets = get_theme_mod( 'refru_typography_subsets', '' );
// URL friendly
$refru_typography_font_family = str_replace( ' ', '+', $refru_typography_font_family );
//Add Google Fonts
$refru_font_subset = '';
if ( is_array( $refru_typography_subsets ) && ! empty( $refru_typography_subsets ) ) {
$refru_font_subset = '&subset=';
foreach ( $refru_typography_subsets as $subset ) {
$refru_font_subset .= $subset . ',';
}
$refru_font_subset = rtrim( $refru_font_subset, ',' );
}
$refru_google_font = 'https://fonts.googleapis.com/css?family=' . $refru_typography_font_family . ':400,700' .
$refru_font_subset;
return esc_url( $refru_google_font );
}
/**
* Adds a Meta Description tag in the header
*/
function refru_meta_description() {
$refru_site_meta_description = get_theme_mod( 'refru_site_meta_description', true );
if ( true == $refru_site_meta_description ) {
echo '<meta name="description" content="' . esc_attr( get_bloginfo( 'description' ) ) . '">';
}
}
add_action( 'wp_head', 'refru_meta_description' );
/**
* Backwards Compatibility for wp_body_open
*
*/
if ( ! function_exists( 'wp_body_open' ) ) {
function wp_body_open() {
do_action( 'wp_body_open' );
}
}