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Web.Admin/2014/wordpress/wp-content/themes/twentytwelve/inc/custom-header.php

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<?php
/**
 * Implement an optional custom header for Twenty Twelve
 *
 * See http://codex.wordpress.org/Custom_Headers
 *
 * @package WordPress
 * @subpackage Twenty_Twelve
 * @since Twenty Twelve 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 twentytwelve_header_style() to style front-end.
 * @uses twentytwelve_admin_header_style() to style wp-admin form.
 * @uses twentytwelve_admin_header_image() to add custom markup to wp-admin form.
 *
 * @since Twenty Twelve 1.0
 */
function twentytwelve_custom_header_setup() {
    $args = array(
        // Text color and image (empty to use none).
        'default-text-color'     => '515151',
        'default-image'          => '',

        // Set height and width, with a maximum value for the width.
        'height'                 => 250,
        'width'                  => 960,
        'max-width'              => 2000,

        // Support flexible height and width.
        'flex-height'            => true,
        'flex-width'             => true,

        // Random image rotation off by default.
        'random-default'         => false,

        // Callbacks for styling the header and the admin preview.
        'wp-head-callback'       => 'twentytwelve_header_style',
        'admin-head-callback'    => 'twentytwelve_admin_header_style',
        'admin-preview-callback' => 'twentytwelve_admin_header_image',
    );

    add_theme_support( 'custom-header', $args );
}
add_action( 'after_setup_theme', 'twentytwelve_custom_header_setup' );

/**
 * Load our special font CSS file.
 *
 * @since Twenty Twelve 1.2
 */
function twentytwelve_custom_header_fonts() {
    $font_url = twentytwelve_get_font_url();
    if ( ! empty( $font_url ) )
        wp_enqueue_style( 'twentytwelve-fonts', esc_url_raw( $font_url ), array(), null );
}
add_action( 'admin_print_styles-appearance_page_custom-header', 'twentytwelve_custom_header_fonts' );

/**
 * Style the header text displayed on the blog.
 *
 * get_header_textcolor() options: 515151 is default, hide text (returns 'blank'), or any hex value.
 *
 * @since Twenty Twelve 1.0
 */
function twentytwelve_header_style() {
    $text_color = get_header_textcolor();

    // If no custom options for text are set, let's bail
    if ( $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="twentytwelve-header-css">
    <?php
        // 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 the user has set a custom color for the text, use that.
        else :
    ?>
        .site-header h1 a,
        .site-header h2 {
            color: #<?php echo $text_color; ?>;
        }
    <?php endif; ?>
    </style>
    <?php
}

/**
 * Style the header image displayed on the Appearance > Header admin panel.
 *
 * @since Twenty Twelve 1.0
 */
function twentytwelve_admin_header_style() {
?>
    <style type="text/css" id="twentytwelve-admin-header-css">
    .appearance_page_custom-header #headimg {
        border: none;
        font-family: "Open Sans", Helvetica, Arial, sans-serif;
    }
    #headimg h1,
    #headimg h2 {
        line-height: 1.84615;
        margin: 0;
        padding: 0;
    }
    #headimg h1 {
        font-size: 26px;
    }
    #headimg h1 a {
        color: #515151;
        text-decoration: none;
    }
    #headimg h1 a:hover {
        color: #21759b !important; /* Has to override custom inline style. */
    }
    #headimg h2 {
        color: #757575;
        font-size: 13px;
        margin-bottom: 24px;
    }
    #headimg img {
        max-width: <?php echo get_theme_support( 'custom-header', 'max-width' ); ?>px;
    }
    </style>
<?php
}

/**
 * Output markup to be displayed on the Appearance > Header admin panel.
 *
 * This callback overrides the default markup displayed there.
 *
 * @since Twenty Twelve 1.0
 */
function twentytwelve_admin_header_image() {
    ?>
    <div id="headimg">
        <?php
        if ( ! display_header_text() )
            $style = ' style="display:none;"';
        else
            $style = ' style="color:#' . get_header_textcolor() . ';"';
        ?>
        <h1 class="displaying-header-text"><a id="name"<?php echo $style; ?> onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php bloginfo( 'name' ); ?></a></h1>
        <h2 id="desc" class="displaying-header-text"<?php echo $style; ?>><?php bloginfo( 'description' ); ?></h2>
        <?php $header_image = get_header_image();
        if ( ! empty( $header_image ) ) : ?>
            <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="" />
        <?php endif; ?>
    </div>
<?php }