', esc_url( get_bloginfo( 'pingback_url' ) ) );
}
}
add_action( 'wp_head', 'nightingale_pingback_header' );
if ( ! function_exists( 'nightingale_get_header_style' ) ) {
/**
* Figure whether we are using standard blue header with white text, or an inverse header which is white with blue / grey text.
*
* @return string $default_position.
*/
function nightingale_get_header_style() {
$themeoptions_header_style = get_theme_mod( 'theme-header-style', 'default' );
if ( 'default' === $themeoptions_header_style ) {
$default_position = 'page-header-default';
} elseif ( 'centered' === $themeoptions_header_style ) {
$default_position = 'page-header-white';
}
return $default_position;
}
}
/*
* Add excerpt ability to posts so the excerpt can be used in search results.
*/
add_post_type_support( 'page', 'excerpt' );
/**
* Adds Correct Class to excerpt paragraph tag
*
* @param string $excerpt the_expert html.
*/
function nightingale_add_class_to_excerpt( $excerpt ) {
if ( is_admin() ) {
return $excerpt;
}
return str_replace( '
', '
', $excerpt );
}
add_filter( 'the_excerpt', 'nightingale_add_class_to_excerpt', 10 );
/**
* Shortens the excerpt to 20 char
*
* @param int $length length to shorten content to.
*/
function nightingale_shorten_excerpt( $length ) {
if ( is_admin() ) {
return $length;
}
return 20;
}
add_filter( 'excerpt_length', 'nightingale_shorten_excerpt', 10 );
/**
* Customise the read more link.
*
* @param string $title The title for the link (used in visually hidden area for screen readers to better describe the link).
* @param string $link The href of the resource being linked to.
* return string output html.
*/
function nightingale_read_more_posts( $title, $link ) {
$readmorelink = '
';
return $readmorelink;
}
/**
* Whether show sidebar returns true or false
*/
function nightingale_show_sidebar() {
return ( 'true' === get_theme_mod( 'blog_sidebar' ) );
}
/**
* Determine if page should have sidebar on left or right, and return additional class if required.
*
* @param string $sidebar location string for sidebar.
*/
function nightingale_sidebar_location( $sidebar ) {
$sidebar_location = get_theme_mod( 'sidebar_location', 'right' );
$sidefloat = 'contentleft';
if ( 'right' !== $sidebar_location ) {
if ( is_active_sidebar( $sidebar ) ) {
$sidefloat = ' contentright';
}
}
return $sidefloat;
}
/**
* Get the custom colour name to return into the body class if required
*
* @param array $classes the pre-existing classes for a WordPress page.
*/
function nightingale_custom_page_colour( $classes ) {
$colour = get_theme_mod( 'theme_colour', 'nhs_blue' );
if ( '' !== $colour ) {
if ( 'nhs_blue' !== $colour ) {
$colour_array = array(
'005eb8' => 'nhs-blue',
'003087' => 'dark-blue',
'0072ce' => 'bright-blue',
'768692' => 'mid-grey',
'425563' => 'dark-grey',
'231f20' => 'black',
'330072' => 'purple',
'ae2573' => 'pink',
'704c9c' => 'light-purple',
'da291c' => 'emergency-services-red',
'006747' => 'dark-green',
'78be20' => 'light-green',
'00a499' => 'aqua-green',
'0b0c0c' => 'gds-black',
);
$theme_colour_name = 'page-colour--' . $colour_array[ $colour ];
$classes[] = $theme_colour_name;
}
return $classes;
}
}
add_filter( 'body_class', 'nightingale_custom_page_colour' );
/**
* Function to sanitise content and remove empty elements that cause a11y and w3c validation errors.
*
* @param bool $b_print Boolean argument specifying whether or not to print the function output.
*
* @return mixed|string|string[]|void|null Return the sanitised output, or original output if flag set to false.
*/
function nightingale_clean_bad_content( $b_print = false ) {
global $post;
$nightingale_post_content = $post->post_content;
$nightingale_remove_filter = array( '~]*>\s?~', '~]*>\s?~', '~]*>\s?]>~', '~]*>~', '~<\/font>~' );
$nightingale_post_content = preg_replace( $nightingale_remove_filter, '', $nightingale_post_content );
$nightingale_post_content = apply_filters( 'the_content', $nightingale_post_content );
if ( false === $b_print ) {
return $nightingale_post_content;
} else {
echo $nightingale_post_content; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
}
/**
* Function to display dropdown of categories for filtering of posts display.
*
* @param int $catcount - the number of categories in the original block setup if it is set to specifics.
* @param array $categories - array of categories in the block setup if it is set to all categories.
* @param array $catout - array of categories in the block setup if it is set to specifics.
*/
function nightingale_latest_posts_category_filter( $catcount, $categories, $catout = array() ) {
$postfilter = wp_unslash( isset( $_POST['cat_filter'] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Missing
if ( ( $catcount > 1 ) || ( empty( $categories ) ) ) : // there is more than one category, or _all_ categories are available.
echo '
';
esc_html_e( 'Showing Posts from the category ', 'nightingale' );
echo esc_html( get_cat_name( $postfilter ) ) . '
';
echo '';
echo '
';
endif;
}
add_filter( 'comment_form_field_cookies', 'nightingale_style_comment_cookies' );
/**
* Modify the markup of the comment cookie checkbox to match nhsuk styled output.
*
* @return string corrected output
*/
function nightingale_style_comment_cookies() {
return '
';
}
add_filter( 'comment_form_defaults', 'nightingale_comment_defaults' );
/**
* Function to clean up the comment form and use nhs markup
*
* @param string $defaults the original default fields for comments.
*
* @return string
*/
function nightingale_comment_defaults( $defaults ) {
$defaults['class_container'] = 'nhsuk-form-group';
$defaults['submit_button'] = '';
return $defaults;
}
add_filter( 'cancel_comment_reply_link', 'nightingale_cancel_comment_link' );
/**
* Function to add nhsuk button styling to cancel comment link
*
* @param string $link the original markup for the link.
*
* @return string|string[]
*/
function nightingale_cancel_comment_link( $link ) {
$link = str_replace( 'id="cancel-comment-reply-link"', 'id="cancel-comment-reply-link" class="nhsuk-button nhsuk-button--reverse"', $link );
return $link;
}
add_filter( 'get_comment_author_link', 'nightingale_comments', 98 );
/**
* Function to add tag markup to comments
*
* @param string $return the original markup.
*
* @return string $return the corrected markup
*/
function nightingale_comments( $return ) {
$return = str_replace( 'comment-author-label-administrator', 'nhsuk-tag--aqua-green', $return );
$return = str_replace( 'comment-author-label-facilitator', 'nhsuk-tag--blue', $return );
$return = str_replace( 'comment-author-label', 'comment-author-label nhsuk-tag', $return );
return $return;
}
/**
* Function to modify markup on menu list items
*
* @param array $classes the original classes.
* @param int $item the item in question.
* @param array $args the arguments for this element.
*
* @return array $classes the modified class array.
*/
function nightingale_additional_menu_class_on_li( $classes, $item, $args ) {
if ( isset( $args->add_li_class ) ) {
$classes[] = $args->add_li_class;
}
return $classes;
}
add_filter( 'nav_menu_css_class', 'nightingale_additional_menu_class_on_li', 1, 3 );
/**
* Function to modify markup on menu links
*
* @param array $atts the menu attributes.
* @param int $item the item in question.
* @param array $args the arguments for this element.
*
* @return mixed the returned corrected argument
*/
function nightingale_additional_menu_class_on_a( $atts, $item, $args ) {
if ( property_exists( $args, 'link_class' ) ) {
$atts['class'] = $args->link_class;
}
return $atts;
}
add_filter( 'nav_menu_link_attributes', 'nightingale_additional_menu_class_on_a', 1, 3 );