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_s/inc/custom-header.php

181 lines
4.9 KiB
PHP

<?php
/**
* Sample implementation of the Custom Header feature
* http://codex.wordpress.org/Custom_Headers
*
* You can add an optional custom header image to header.php like so ...
<?php $header_image = get_header_image();
if ( ! empty( $header_image ) ) { ?>
<a href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home">
<img src="<?php header_image(); ?>" width="<?php echo get_custom_header()->width; ?>" height="<?php echo get_custom_header()->height; ?>" alt="" />
</a>
<?php } // if ( ! empty( $header_image ) ) ?>
*
* @package _s
* @since _s 1.0
*/
/**
* Setup the WordPress core custom header feature.
*
* Use add_theme_support to register support for WordPress 3.4+
* as well as provide backward compatibility for previous versions.
* Use feature detection of wp_get_theme() which was introduced
* in WordPress 3.4.
*
* @uses _s_header_style()
* @uses _s_admin_header_style()
* @uses _s_admin_header_image()
*
* @package _s
*/
function _s_custom_header_setup() {
$args = array(
'default-image' => '',
'default-text-color' => '000',
'width' => 1000,
'height' => 250,
'flex-height' => true,
'wp-head-callback' => '_s_header_style',
'admin-head-callback' => '_s_admin_header_style',
'admin-preview-callback' => '_s_admin_header_image',
);
$args = apply_filters( '_s_custom_header_args', $args );
if ( function_exists( 'wp_get_theme' ) ) {
add_theme_support( 'custom-header', $args );
} else {
// Compat: Versions of WordPress prior to 3.4.
define( 'HEADER_TEXTCOLOR', $args['default-text-color'] );
define( 'HEADER_IMAGE', $args['default-image'] );
define( 'HEADER_IMAGE_WIDTH', $args['width'] );
define( 'HEADER_IMAGE_HEIGHT', $args['height'] );
add_custom_image_header( $args['wp-head-callback'], $args['admin-head-callback'], $args['admin-preview-callback'] );
}
}
add_action( 'after_setup_theme', '_s_custom_header_setup' );
/**
* Shiv for get_custom_header().
*
* get_custom_header() was introduced to WordPress
* in version 3.4. To provide backward compatibility
* with previous versions, we will define our own version
* of this function.
*
* @return stdClass All properties represent attributes of the curent header image.
*
* @package _s
* @since _s 1.1
*/
if ( ! function_exists( 'get_custom_header' ) ) {
function get_custom_header() {
return (object) array(
'url' => get_header_image(),
'thumbnail_url' => get_header_image(),
'width' => HEADER_IMAGE_WIDTH,
'height' => HEADER_IMAGE_HEIGHT,
);
}
}
if ( ! function_exists( '_s_header_style' ) ) :
/**
* Styles the header image and text displayed on the blog
*
* @see _s_custom_header_setup().
*
* @since _s 1.0
*/
function _s_header_style() {
// If no custom options for text are set, let's bail
// get_header_textcolor() options: HEADER_TEXTCOLOR is default, hide text (returns 'blank') or any hex value
if ( HEADER_TEXTCOLOR == get_header_textcolor() )
return;
// If we get this far, we have custom styles. Let's do this.
?>
<style type="text/css">
<?php
// Has the text been hidden?
if ( 'blank' == get_header_textcolor() ) :
?>
.site-title,
.site-description {
position: absolute !important;
clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
clip: rect(1px, 1px, 1px, 1px);
}
<?php
// If the user has set a custom color for the text use that
else :
?>
.site-title a,
.site-description {
color: #<?php echo get_header_textcolor(); ?> !important;
}
<?php endif; ?>
</style>
<?php
}
endif; // _s_header_style
if ( ! function_exists( '_s_admin_header_style' ) ) :
/**
* Styles the header image displayed on the Appearance > Header admin panel.
*
* @see _s_custom_header_setup().
*
* @since _s 1.0
*/
function _s_admin_header_style() {
?>
<style type="text/css">
.appearance_page_custom-header #headimg {
border: none;
}
#headimg h1,
#desc {
}
#headimg h1 {
}
#headimg h1 a {
}
#desc {
}
#headimg img {
}
</style>
<?php
}
endif; // _s_admin_header_style
if ( ! function_exists( '_s_admin_header_image' ) ) :
/**
* Custom header image markup displayed on the Appearance > Header admin panel.
*
* @see _s_custom_header_setup().
*
* @since _s 1.0
*/
function _s_admin_header_image() { ?>
<div id="headimg">
<?php
if ( 'blank' == get_header_textcolor() || '' == get_header_textcolor() )
$style = ' style="display:none;"';
else
$style = ' style="color:#' . get_header_textcolor() . ';"';
?>
<h1><a id="name"<?php echo $style; ?> onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php bloginfo( 'name' ); ?></a></h1>
<div id="desc"<?php echo $style; ?>><?php bloginfo( 'description' ); ?></div>
<?php $header_image = get_header_image();
if ( ! empty( $header_image ) ) : ?>
<img src="<?php echo esc_url( $header_image ); ?>" alt="" />
<?php endif; ?>
</div>
<?php }
endif; // _s_admin_header_image