';
}
}
add_action( 'wp_head', 'varia_pingback_header' );
/**
* Changes comment form default fields.
*/
function varia_comment_form_defaults( $defaults ) {
$comment_field = $defaults['comment_field'];
// Adjust height of comment form.
$defaults['comment_field'] = preg_replace( '/rows="\d+"/', 'rows="5"', $comment_field );
return $defaults;
}
add_filter( 'comment_form_defaults', 'varia_comment_form_defaults' );
/**
* Filters the default archive titles.
*/
function varia_get_the_archive_title() {
if ( is_category() ) {
$title = __( 'Category Archives: ', 'varia' ) . '' . single_term_title( '', false ) . '';
} elseif ( is_tag() ) {
$title = __( 'Tag Archives: ', 'varia' ) . '' . single_term_title( '', false ) . '';
} elseif ( is_author() ) {
$title = __( 'Author Archives: ', 'varia' ) . '' . get_the_author_meta( 'display_name' ) . '';
} elseif ( is_year() ) {
$title = __( 'Yearly Archives: ', 'varia' ) . '' . get_the_date( _x( 'Y', 'yearly archives date format', 'varia' ) ) . '';
} elseif ( is_month() ) {
$title = __( 'Monthly Archives: ', 'varia' ) . '' . get_the_date( _x( 'F Y', 'monthly archives date format', 'varia' ) ) . '';
} elseif ( is_day() ) {
$title = __( 'Daily Archives: ', 'varia' ) . '' . get_the_date() . '';
} elseif ( is_post_type_archive() ) {
$cpt = get_post_type_object( get_queried_object()->name );
/* translators: %s: Post type singular name */
$title = sprintf( esc_html__( '%s Archives', 'varia' ),
$cpt->labels->singular_name
);
} elseif ( is_tax() ) {
$tax = get_taxonomy( get_queried_object()->taxonomy );
/* translators: %s: Taxonomy singular name */
$title = sprintf( esc_html__( '%s Archives', 'varia' ),
$tax->labels->singular_name
);
} else {
$title = __( 'Archives:', 'varia' );
}
return $title;
}
add_filter( 'get_the_archive_title', 'varia_get_the_archive_title' );
/**
* Determines if post thumbnail can be displayed.
*/
function varia_can_show_post_thumbnail() {
return apply_filters( 'varia_can_show_post_thumbnail', ! post_password_required() && ! is_attachment() && has_post_thumbnail() );
}
/**
* Returns true if image filters are enabled on the theme options.
*/
function varia_image_filters_enabled() {
return 0 !== get_theme_mod( 'image_filter', 1 );
}
/**
* Returns the size for avatars used in the theme.
*/
function varia_get_avatar_size() {
return 60;
}
/**
* Returns true if comment is by author of the post.
*
* @see get_comment_class()
*/
function varia_is_comment_by_post_author( $comment = null ) {
if ( is_object( $comment ) && $comment->user_id > 0 ) {
$user = get_userdata( $comment->user_id );
$post = get_post( $comment->comment_post_ID );
if ( ! empty( $user ) && ! empty( $post ) ) {
return $comment->user_id === $post->post_author;
}
}
return false;
}
/**
* WCAG 2.0 Attributes for Dropdown Menus
*
* Adjustments to menu attributes tot support WCAG 2.0 recommendations
* for flyout and dropdown menus.
*
* @ref https://www.w3.org/WAI/tutorials/menus/flyout/
*/
function varia_nav_menu_link_attributes( $atts, $item, $args, $depth ) {
// Add [aria-haspopup] and [aria-expanded] to menu items that have children
$item_has_children = in_array( 'menu-item-has-children', $item->classes );
if ( $item_has_children ) {
$atts['aria-haspopup'] = 'true';
$atts['aria-expanded'] = 'false';
}
return $atts;
}
add_filter( 'nav_menu_link_attributes', 'varia_nav_menu_link_attributes', 10, 4 );
/*
* Create the continue reading link
*/
function varia_continue_reading_link() {
if ( ! is_admin() ) {
$continue_reading = sprintf(
/* translators: %s: Name of current post. */
wp_kses( __( 'Continue reading %s', 'varia' ), array( 'span' => array( 'class' => array() ) ) ),
the_title( '"', '"', false )
);
return '' . $continue_reading . '';
}
}
// Filter the excerpt more link
add_filter( 'excerpt_more', 'varia_continue_reading_link' );
// Filter the content more link
add_filter( 'the_content_more_link', 'varia_continue_reading_link' );
/**
* Add a dropdown icon to top-level menu items.
*
* @param string $output Nav menu item start element.
* @param object $item Nav menu item.
* @param int $depth Depth.
* @param object $args Nav menu args.
* @return string Nav menu item start element.
* Add a dropdown icon to top-level menu items
*/
function varia_add_dropdown_icons( $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 $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(
'
$output = preg_replace(
'##i',
'',
$output,
1 // Limit.
);
} elseif ( in_array( 'menu-item-has-children', $item->classes, true ) ) {
// Add SVG icon to parent items.
$icon = varia_get_icon_svg( 'keyboard_arrow_down', 24 );
$output .= sprintf(
'',
$icon
);
}
return $output;
}
// add_filter( 'walker_nav_menu_start_el', 'varia_add_dropdown_icons', 10, 4 );
/**
* Create a nav menu item to be displayed on mobile to navigate from submenu back to the parent.
*
* This duplicates each parent nav menu item and makes it the first child of itself.
*
* @param array $sorted_menu_items Sorted nav menu items.
* @param object $args Nav menu args.
* @return array Amended nav menu items.
*/
function varia_add_mobile_parent_nav_menu_items( $sorted_menu_items, $args ) {
static $pseudo_id = 0;
if ( ! isset( $args->theme_location ) || 'menu-1' !== $args->theme_location ) {
return $sorted_menu_items;
}
$amended_menu_items = array();
foreach ( $sorted_menu_items as $nav_menu_item ) {
$amended_menu_items[] = $nav_menu_item;
if ( in_array( 'menu-item-has-children', $nav_menu_item->classes, true ) ) {
$parent_menu_item = clone $nav_menu_item;
$parent_menu_item->original_id = $nav_menu_item->ID;
$parent_menu_item->ID = --$pseudo_id;
$parent_menu_item->db_id = $parent_menu_item->ID;
$parent_menu_item->object_id = $parent_menu_item->ID;
$parent_menu_item->classes = array( 'mobile-parent-nav-menu-item' );
$parent_menu_item->menu_item_parent = $nav_menu_item->ID;
$amended_menu_items[] = $parent_menu_item;
}
}
return $amended_menu_items;
}
// add_filter( 'wp_nav_menu_objects', 'varia_add_mobile_parent_nav_menu_items', 10, 2 );