WordPress/wp-content/themes/twentythirteen/inc/custom-header.php

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<?php
/**
* Implement a custom header for Twenty Thirteen
*
* @link https://codex.wordpress.org/Custom_Headers
*
* @package WordPress
* @subpackage Twenty_Thirteen
* @since Twenty Thirteen 1.0
*/
/**
* Set up the WordPress core custom header arguments and settings.
*
* @uses add_theme_support() to register support for 3.4 and up.
* @uses twentythirteen_header_style() to style front end.
* @uses twentythirteen_admin_header_style() to style wp-admin form.
* @uses twentythirteen_admin_header_image() to add custom markup to wp-admin form.
* @uses register_default_headers() to set up the bundled header images.
*
* @since Twenty Thirteen 1.0
*/
function twentythirteen_custom_header_setup() {
$args = array(
// Text color and image (empty to use none).
'default-text-color' => '220e10',
'default-image' => '%s/images/headers/circle.png',
// Set height and width, with a maximum value for the width.
'height' => 230,
'width' => 1600,
// Callbacks for styling the header and the admin preview.
'wp-head-callback' => 'twentythirteen_header_style',
'admin-head-callback' => 'twentythirteen_admin_header_style',
'admin-preview-callback' => 'twentythirteen_admin_header_image',
);
add_theme_support( 'custom-header', $args );
/*
* Default custom headers packaged with the theme.
* %s is a placeholder for the theme template directory URI.
*/
register_default_headers( array(
'circle' => array(
'url' => '%s/images/headers/circle.png',
'thumbnail_url' => '%s/images/headers/circle-thumbnail.png',
'description' => _x( 'Circle', 'header image description', 'twentythirteen' )
),
'diamond' => array(
'url' => '%s/images/headers/diamond.png',
'thumbnail_url' => '%s/images/headers/diamond-thumbnail.png',
'description' => _x( 'Diamond', 'header image description', 'twentythirteen' )
),
'star' => array(
'url' => '%s/images/headers/star.png',
'thumbnail_url' => '%s/images/headers/star-thumbnail.png',
'description' => _x( 'Star', 'header image description', 'twentythirteen' )
),
) );
}
add_action( 'after_setup_theme', 'twentythirteen_custom_header_setup', 11 );
/**
* Load our special font CSS files.
*
* @since Twenty Thirteen 1.0
*/
function twentythirteen_custom_header_fonts() {
// Add Source Sans Pro and Bitter fonts.
wp_enqueue_style( 'twentythirteen-fonts', twentythirteen_fonts_url(), array(), null );
// Add Genericons font.
wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.03' );
}
add_action( 'admin_print_styles-appearance_page_custom-header', 'twentythirteen_custom_header_fonts' );
/**
* Style the header text displayed on the blog.
*
* get_header_textcolor() options: Hide text (returns 'blank'), or any hex value.
*
* @since Twenty Thirteen 1.0
*/
function twentythirteen_header_style() {
$header_image = get_header_image();
$text_color = get_header_textcolor();
// If no custom options for text are set, let's bail.
if ( empty( $header_image ) && $text_color == get_theme_support( 'custom-header', 'default-text-color' ) )
return;
// If we get this far, we have custom styles.
?>
<style type="text/css" id="twentythirteen-header-css">
<?php
if ( ! empty( $header_image ) ) :
?>
.site-header {
background: url(<?php header_image(); ?>) no-repeat scroll top;
background-size: 1600px auto;
}
@media (max-width: 767px) {
.site-header {
background-size: 768px auto;
}
}
@media (max-width: 359px) {
.site-header {
background-size: 360px auto;
}
}
<?php
endif;
// Has the text been hidden?
if ( ! display_header_text() ) :
?>
.site-title,
.site-description {
position: absolute;
clip: rect(1px 1px 1px 1px); /* IE7 */
clip: rect(1px, 1px, 1px, 1px);
}
<?php
if ( empty( $header_image ) ) :
?>
.site-header .home-link {
min-height: 0;
}
<?php
endif;
// If the user has set a custom color for the text, use that.
elseif ( $text_color != get_theme_support( 'custom-header', 'default-text-color' ) ) :
?>
.site-title,
.site-description {
color: #<?php echo esc_attr( $text_color ); ?>;
}
<?php endif; ?>
</style>
<?php
}
/**
* Style the header image displayed on the Appearance > Header admin panel.
*
* @since Twenty Thirteen 1.0
*/
function twentythirteen_admin_header_style() {
$header_image = get_header_image();
?>
<style type="text/css" id="twentythirteen-admin-header-css">
.appearance_page_custom-header #headimg {
border: none;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
<?php
if ( ! empty( $header_image ) ) {
echo 'background: url(' . esc_url( $header_image ) . ') no-repeat scroll top; background-size: 1600px auto;';
} ?>
padding: 0 20px;
}
#headimg .home-link {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
margin: 0 auto;
max-width: 1040px;
<?php
if ( ! empty( $header_image ) || display_header_text() ) {
echo 'min-height: 230px;';
} ?>
width: 100%;
}
<?php if ( ! display_header_text() ) : ?>
#headimg h1,
#headimg h2 {
position: absolute !important;
clip: rect(1px 1px 1px 1px); /* IE7 */
clip: rect(1px, 1px, 1px, 1px);
}
<?php endif; ?>
#headimg h1 {
font: bold 60px/1 Bitter, Georgia, serif;
margin: 0;
padding: 58px 0 10px;
}
#headimg h1 a {
text-decoration: none;
}
#headimg h1 a:hover {
text-decoration: underline;
}
#headimg h2 {
font: 200 italic 24px "Source Sans Pro", Helvetica, sans-serif;
margin: 0;
text-shadow: none;
}
.default-header img {
max-width: 230px;
width: auto;
}
</style>
<?php
}
/**
* Output markup to be displayed on the Appearance > Header admin panel.
*
* This callback overrides the default markup displayed there.
*
* @since Twenty Thirteen 1.0
*/
function twentythirteen_admin_header_image() {
$style = 'color: #' . get_header_textcolor() . ';';
if ( ! display_header_text() ) {
$style = 'display: none;';
}
?>
<div id="headimg" style="background: url(<?php echo esc_url( get_header_image() ); ?>) no-repeat scroll top; background-size: 1600px auto;">
<div class="home-link">
<h1 class="displaying-header-text"><a id="name" style="<?php echo esc_attr( $style ); ?>" onclick="return false;" href="#" tabindex="-1"><?php bloginfo( 'name' ); ?></a></h1>
<h2 id="desc" class="displaying-header-text" style="<?php echo esc_attr( $style ); ?>"><?php bloginfo( 'description' ); ?></h2>
</div>
</div>
<?php }