150 lines
4.0 KiB
PHP
150 lines
4.0 KiB
PHP
<?php
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/**
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* Implements an optional custom header for Twenty Twelve.
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* See http://codex.wordpress.org/Custom_Headers
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*
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* @package WordPress
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* @subpackage Twenty_Twelve
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* @since Twenty Twelve 1.0
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*/
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/**
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* Sets up the WordPress core custom header arguments and settings.
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*
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* @uses add_theme_support() to register support for 3.4 and up.
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* @uses twentytwelve_header_style() to style front-end.
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* @uses twentytwelve_admin_header_style() to style wp-admin form.
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* @uses twentytwelve_admin_header_image() to add custom markup to wp-admin form.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_custom_header_setup() {
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$args = array(
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// Text color and image (empty to use none).
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'default-text-color' => '444',
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'default-image' => '',
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// Set height and width, with a maximum value for the width.
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'height' => 250,
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'width' => 960,
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'max-width' => 2000,
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// Support flexible height and width.
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'flex-height' => true,
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'flex-width' => true,
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// Random image rotation off by default.
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'random-default' => false,
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// Callbacks for styling the header and the admin preview.
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'wp-head-callback' => 'twentytwelve_header_style',
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'admin-head-callback' => 'twentytwelve_admin_header_style',
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'admin-preview-callback' => 'twentytwelve_admin_header_image',
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);
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add_theme_support( 'custom-header', $args );
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}
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add_action( 'after_setup_theme', 'twentytwelve_custom_header_setup' );
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/**
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* Styles the header text displayed on the blog.
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*
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* get_header_textcolor() options: 444 is default, hide text (returns 'blank'), or any hex value.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_header_style() {
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$text_color = get_header_textcolor();
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// If no custom options for text are set, let's bail
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if ( $text_color == get_theme_support( 'custom-header', 'default-text-color' ) )
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return;
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// If we get this far, we have custom styles.
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?>
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<style type="text/css">
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<?php
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// Has the text been hidden?
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if ( ! display_header_text() ) :
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?>
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.site-title,
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.site-description {
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position: absolute !important;
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clip: rect(1px 1px 1px 1px); /* IE7 */
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clip: rect(1px, 1px, 1px, 1px);
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}
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<?php
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// If the user has set a custom color for the text, use that.
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else :
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?>
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.site-title a,
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.site-description {
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color: #<?php echo $text_color; ?> !important;
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}
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<?php endif; ?>
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</style>
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<?php
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}
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/**
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* Styles the header image displayed on the Appearance > Header admin panel.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_admin_header_style() {
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?>
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<style type="text/css">
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.appearance_page_custom-header #headimg {
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border: none;
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}
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#headimg h1,
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#headimg h2 {
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line-height: 1.6;
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margin: 0;
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padding: 0;
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}
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#headimg h1 {
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font-size: 30px;
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}
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#headimg h1 a {
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color: #515151;
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text-decoration: none;
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}
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#headimg h1 a:hover {
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color: #21759b;
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}
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#headimg h2 {
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color: #757575;
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font: normal 13px/1.8 "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", sans-serif;
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margin-bottom: 24px;
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}
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#headimg img {
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max-width: <?php echo get_theme_support( 'custom-header', 'max-width' ); ?>px;
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}
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</style>
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<?php
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}
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/**
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* Outputs markup to be displayed on the Appearance > Header admin panel.
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* This callback overrides the default markup displayed there.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_admin_header_image() {
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?>
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<div id="headimg">
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<?php
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if ( ! display_header_text() )
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$style = ' style="display:none;"';
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else
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$style = ' style="color:#' . get_header_textcolor() . ';"';
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?>
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<h1><a id="name"<?php echo $style; ?> onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php bloginfo( 'name' ); ?></a></h1>
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<h2 id="desc"<?php echo $style; ?>><?php bloginfo( 'description' ); ?></h2>
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<?php $header_image = get_header_image();
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if ( ! empty( $header_image ) ) : ?>
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<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="" />
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<?php endif; ?>
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</div>
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<?php }
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