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

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<?php
/**
* Implement Custom Header functionality for Twenty Fourteen
*
* @package WordPress
* @subpackage Twenty_Fourteen
* @since Twenty Fourteen 1.0
*/
/**
* Set up the WordPress core custom header settings.
*
* @since Twenty Fourteen 1.0
*
* @uses twentyfourteen_header_style()
* @uses twentyfourteen_admin_header_style()
* @uses twentyfourteen_admin_header_image()
*/
function twentyfourteen_custom_header_setup() {
/**
* Filter Twenty Fourteen custom-header support arguments.
*
* @since Twenty Fourteen 1.0
*
* @param array $args {
* An array of custom-header support arguments.
*
* @type bool $header_text Whether to display custom header text. Default false.
* @type int $width Width in pixels of the custom header image. Default 1260.
* @type int $height Height in pixels of the custom header image. Default 240.
* @type bool $flex_height Whether to allow flexible-height header images. Default true.
* @type string $admin_head_callback Callback function used to style the image displayed in
* the Appearance > Header screen.
* @type string $admin_preview_callback Callback function used to create the custom header markup in
* the Appearance > Header screen.
* }
*/
add_theme_support( 'custom-header', apply_filters( 'twentyfourteen_custom_header_args', array(
'header-text' => false,
'width' => 1260,
'height' => 240,
'flex-height' => true,
'admin-head-callback' => 'twentyfourteen_admin_header_style',
'admin-preview-callback' => 'twentyfourteen_admin_header_image',
) ) );
}
add_action( 'after_setup_theme', 'twentyfourteen_custom_header_setup' );
if ( ! function_exists( 'twentyfourteen_admin_header_style' ) ) :
/**
* Style the header image displayed on the Appearance > Header screen.
*
* @see twentyfourteen_custom_header_setup()
*
* @since Twenty Fourteen 1.0
*/
function twentyfourteen_admin_header_style() {
?>
<style type="text/css">
.appearance_page_custom-header #headimg {
background-color: #000;
border: none;
max-width: 1230px;
min-height: 48px;
}
#headimg h1 {
font-family: lato, sans-serif;
font-size: 18px;
line-height: 1.3333333333;
margin: 12px 0 12px 27px;
}
#headimg h1 a {
color: #fff;
text-decoration: none;
}
#headimg img {
vertical-align: middle;
}
</style>
<?php
}
endif; // twentyfourteen_admin_header_style
if ( ! function_exists( 'twentyfourteen_admin_header_image' ) ) :
/**
* Create the custom header image markup displayed on the Appearance > Header screen.
*
* @see twentyfourteen_custom_header_setup()
*
* @since Twenty Fourteen 1.0
*/
function twentyfourteen_admin_header_image() {
?>
<div id="headimg">
<?php if ( get_header_image() ) : ?>
<img src="<?php header_image(); ?>" alt="">
<?php endif; ?>
<h1><a id="name" onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php bloginfo( 'name' ); ?></a></h1>
</div>
<?php
}
endif; // twentyfourteen_admin_header_image