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   1  <?php
   2  /**
   3   * Implement Custom Header functionality for Twenty Fourteen
   4   *
   5   * @package WordPress
   6   * @subpackage Twenty_Fourteen
   7   * @since Twenty Fourteen 1.0
   8   */
   9  
  10  /**
  11   * Set up the WordPress core custom header settings.
  12   *
  13   * @since Twenty Fourteen 1.0
  14   *
  15   * @uses twentyfourteen_header_style()
  16   * @uses twentyfourteen_admin_header_style()
  17   * @uses twentyfourteen_admin_header_image()
  18   */
  19  function twentyfourteen_custom_header_setup() {
  20      add_theme_support(
  21          'custom-header',
  22          /**
  23           * Filters Twenty Fourteen custom-header support arguments.
  24           *
  25           * @since Twenty Fourteen 1.0
  26           *
  27           * @param array $args {
  28           *     An array of custom-header support arguments.
  29           *
  30           *     @type bool   $header_text            Whether to display custom header text. Default false.
  31           *     @type int    $width                  Width in pixels of the custom header image. Default 1260.
  32           *     @type int    $height                 Height in pixels of the custom header image. Default 240.
  33           *     @type bool   $flex_height            Whether to allow flexible-height header images. Default true.
  34           *     @type string $admin_head_callback    Callback function used to style the image displayed in
  35           *                                          the Appearance > Header screen.
  36           *     @type string $admin_preview_callback Callback function used to create the custom header markup in
  37           *                                          the Appearance > Header screen.
  38           * }
  39           */
  40          apply_filters(
  41              'twentyfourteen_custom_header_args',
  42              array(
  43                  'default-text-color'     => 'fff',
  44                  'width'                  => 1260,
  45                  'height'                 => 240,
  46                  'flex-height'            => true,
  47                  'wp-head-callback'       => 'twentyfourteen_header_style',
  48                  'admin-head-callback'    => 'twentyfourteen_admin_header_style',
  49                  'admin-preview-callback' => 'twentyfourteen_admin_header_image',
  50              )
  51          )
  52      );
  53  }
  54  add_action( 'after_setup_theme', 'twentyfourteen_custom_header_setup' );
  55  
  56  if ( ! function_exists( 'twentyfourteen_header_style' ) ) :
  57      /**
  58       * Styles the header image and text displayed on the blog
  59       *
  60       * @see twentyfourteen_custom_header_setup().
  61       */
  62  	function twentyfourteen_header_style() {
  63          $text_color = get_header_textcolor();
  64  
  65          // If no custom color for text is set, let's bail.
  66          if ( display_header_text() && get_theme_support( 'custom-header', 'default-text-color' ) === $text_color ) {
  67              return;
  68          }
  69  
  70          // If we get this far, we have custom styles.
  71          ?>
  72          <style type="text/css" id="twentyfourteen-header-css">
  73          <?php
  74          // Has the text been hidden?
  75          if ( ! display_header_text() ) :
  76              ?>
  77          .site-title,
  78          .site-description {
  79              clip: rect(1px 1px 1px 1px); /* IE7 */
  80              clip: rect(1px, 1px, 1px, 1px);
  81              position: absolute;
  82          }
  83              <?php
  84              // If the user has set a custom color for the text, use that.
  85          elseif ( get_theme_support( 'custom-header', 'default-text-color' ) != $text_color ) :
  86              ?>
  87          .site-title a {
  88              color: #<?php echo esc_attr( $text_color ); ?>;
  89          }
  90      <?php endif; ?>
  91      </style>
  92          <?php
  93      }
  94  endif; // twentyfourteen_header_style()
  95  
  96  
  97  if ( ! function_exists( 'twentyfourteen_admin_header_style' ) ) :
  98      /**
  99       * Style the header image displayed on the Appearance > Header screen.
 100       *
 101       * @see twentyfourteen_custom_header_setup()
 102       *
 103       * @since Twenty Fourteen 1.0
 104       */
 105  	function twentyfourteen_admin_header_style() {
 106          ?>
 107      <style type="text/css" id="twentyfourteen-admin-header-css">
 108      .appearance_page_custom-header #headimg {
 109          background-color: #000;
 110          border: none;
 111          max-width: 1260px;
 112          min-height: 48px;
 113      }
 114      #headimg h1 {
 115          font-family: Lato, sans-serif;
 116          font-size: 18px;
 117          line-height: 48px;
 118          margin: 0 0 0 30px;
 119      }
 120      .rtl #headimg h1  {
 121          margin: 0 30px 0 0;
 122      }
 123      #headimg h1 a {
 124          color: #fff;
 125          text-decoration: none;
 126      }
 127      #headimg img {
 128          vertical-align: middle;
 129      }
 130      </style>
 131          <?php
 132      }
 133  endif; // twentyfourteen_admin_header_style()
 134  
 135  if ( ! function_exists( 'twentyfourteen_admin_header_image' ) ) :
 136      /**
 137       * Create the custom header image markup displayed on the Appearance > Header screen.
 138       *
 139       * @see twentyfourteen_custom_header_setup()
 140       *
 141       * @since Twenty Fourteen 1.0
 142       */
 143  	function twentyfourteen_admin_header_image() {
 144          ?>
 145      <div id="headimg">
 146          <?php if ( get_header_image() ) : ?>
 147          <img src="<?php header_image(); ?>" alt="" />
 148          <?php endif; ?>
 149          <h1 class="displaying-header-text"><a id="name" style="<?php echo esc_attr( sprintf( 'color: #%s;', get_header_textcolor() ) ); ?>" onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>" tabindex="-1"><?php bloginfo( 'name' ); ?></a></h1>
 150      </div>
 151          <?php
 152      }
 153  endif; // twentyfourteen_admin_header_image()