3 * Implements an optional custom header for Twenty Twelve.
4 * See http://codex.wordpress.org/Custom_Headers
7 * @subpackage Twenty_Twelve
8 * @since Twenty Twelve 1.0
12 * Sets up the WordPress core custom header arguments and settings.
14 * @uses add_theme_support() to register support for 3.4 and up.
15 * @uses twentytwelve_header_style() to style front-end.
16 * @uses twentytwelve_admin_header_style() to style wp-admin form.
17 * @uses twentytwelve_admin_header_image() to add custom markup to wp-admin form.
19 * @since Twenty Twelve 1.0
21 function twentytwelve_custom_header_setup() {
23 // Text color and image (empty to use none).
24 'default-text-color' => '444',
25 'default-image' => '',
27 // Set height and width, with a maximum value for the width.
32 // Support flexible height and width.
33 'flex-height' => true,
36 // Random image rotation off by default.
37 'random-default' => false,
39 // Callbacks for styling the header and the admin preview.
40 'wp-head-callback' => 'twentytwelve_header_style',
41 'admin-head-callback' => 'twentytwelve_admin_header_style',
42 'admin-preview-callback' => 'twentytwelve_admin_header_image',
45 add_theme_support( 'custom-header', $args );
47 add_action( 'after_setup_theme', 'twentytwelve_custom_header_setup' );
50 * Styles the header text displayed on the blog.
52 * get_header_textcolor() options: 444 is default, hide text (returns 'blank'), or any hex value.
54 * @since Twenty Twelve 1.0
56 function twentytwelve_header_style() {
57 $text_color = get_header_textcolor();
59 // If no custom options for text are set, let's bail
60 if ( $text_color == get_theme_support( 'custom-header', 'default-text-color' ) )
63 // If we get this far, we have custom styles.
65 <style type="text/css">
67 // Has the text been hidden?
68 if ( ! display_header_text() ) :
72 position: absolute !important;
73 clip: rect(1px 1px 1px 1px); /* IE7 */
74 clip: rect(1px, 1px, 1px, 1px);
77 // If the user has set a custom color for the text, use that.
82 color: #<?php echo $text_color; ?> !important;
90 * Styles the header image displayed on the Appearance > Header admin panel.
92 * @since Twenty Twelve 1.0
94 function twentytwelve_admin_header_style() {
96 <style type="text/css">
97 .appearance_page_custom-header #headimg {
111 text-decoration: none;
113 #headimg h1 a:hover {
118 font: normal 13px/1.8 "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", sans-serif;
122 max-width: <?php echo get_theme_support( 'custom-header', 'max-width' ); ?>px;
129 * Outputs markup to be displayed on the Appearance > Header admin panel.
130 * This callback overrides the default markup displayed there.
132 * @since Twenty Twelve 1.0
134 function twentytwelve_admin_header_image() {
138 if ( ! display_header_text() )
139 $style = ' style="display:none;"';
141 $style = ' style="color:#' . get_header_textcolor() . ';"';
143 <h1><a id="name"<?php echo $style; ?> onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php bloginfo( 'name' ); ?></a></h1>
144 <h2 id="desc"<?php echo $style; ?>><?php bloginfo( 'description' ); ?></h2>
145 <?php $header_image = get_header_image();
146 if ( ! empty( $header_image ) ) : ?>
147 <img src="<?php echo esc_url( $header_image ); ?>" class="header-image" width="<?php echo get_custom_header()->width; ?>" height="<?php echo get_custom_header()->height; ?>" alt="" />