関数 add_theme_support()
2014/12/17
関数 add_theme_support()
定義ファイル :/blog/wp-includes/theme.php 4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | function add_theme_support( $feature ) { global $_wp_theme_features; if ( func_num_args() == 1 ) $args = true; else $args = array_slice( func_get_args(), 1 ); switch ( $feature ) { case 'post-formats' : if ( is_array( $args[0] ) ) $args[0] = array_intersect( $args[0], array_keys( get_post_format_slugs() ) ); break; case 'html5' : // You can't just pass 'html5', you need to pass an array of types. if ( empty( $args[0] ) ) { // Build an array of types for back-compat. $args = array( 0 => array( 'comment-list', 'comment-form', 'search-form' ) ); } elseif ( ! is_array( $args[0] ) ) { _doing_it_wrong( "add_theme_support( 'html5' )", 'You need to pass an array of types.', '3.6.1' ); return false; } // Calling 'html5' again merges, rather than overwrites. if ( isset( $_wp_theme_features['html5'] ) ) $args[0] = array_merge( $_wp_theme_features['html5'][0], $args[0] ); break; case 'custom-header-uploads' : return add_theme_support( 'custom-header', array( 'uploads' => true ) ); case 'custom-header' : if ( ! is_array( $args ) ) $args = array( 0 => array() ); $defaults = array( 'default-image' => '', 'random-default' => false, 'width' => 0, 'height' => 0, 'flex-height' => false, 'flex-width' => false, 'default-text-color' => '', 'header-text' => true, 'uploads' => true, 'wp-head-callback' => '', 'admin-head-callback' => '', 'admin-preview-callback' => '', ); $jit = isset( $args[0]['__jit'] ); unset( $args[0]['__jit'] ); // Merge in data from previous add_theme_support() calls. // The first value registered wins. (A child theme is set up first.) if ( isset( $_wp_theme_features['custom-header'] ) ) $args[0] = wp_parse_args( $_wp_theme_features['custom-header'][0], $args[0] ); // Load in the defaults at the end, as we need to insure first one wins. // This will cause all constants to be defined, as each arg will then be set to the default. if ( $jit ) $args[0] = wp_parse_args( $args[0], $defaults ); // If a constant was defined, use that value. Otherwise, define the constant to ensure // the constant is always accurate (and is not defined later, overriding our value). // As stated above, the first value wins. // Once we get to wp_loaded (just-in-time), define any constants we haven't already. // Constants are lame. Don't reference them. This is just for backwards compatibility. if ( defined( 'NO_HEADER_TEXT' ) ) $args[0]['header-text'] = ! NO_HEADER_TEXT; elseif ( isset( $args[0]['header-text'] ) ) define( 'NO_HEADER_TEXT', empty( $args[0]['header-text'] ) ); if ( defined( 'HEADER_IMAGE_WIDTH' ) ) $args[0]['width'] = (int) HEADER_IMAGE_WIDTH; elseif ( isset( $args[0]['width'] ) ) define( 'HEADER_IMAGE_WIDTH', (int) $args[0]['width'] ); if ( defined( 'HEADER_IMAGE_HEIGHT' ) ) $args[0]['height'] = (int) HEADER_IMAGE_HEIGHT; elseif ( isset( $args[0]['height'] ) ) define( 'HEADER_IMAGE_HEIGHT', (int) $args[0]['height'] ); if ( defined( 'HEADER_TEXTCOLOR' ) ) $args[0]['default-text-color'] = HEADER_TEXTCOLOR; elseif ( isset( $args[0]['default-text-color'] ) ) define( 'HEADER_TEXTCOLOR', $args[0]['default-text-color'] ); if ( defined( 'HEADER_IMAGE' ) ) $args[0]['default-image'] = HEADER_IMAGE; elseif ( isset( $args[0]['default-image'] ) ) define( 'HEADER_IMAGE', $args[0]['default-image'] ); if ( $jit && ! empty( $args[0]['default-image'] ) ) $args[0]['random-default'] = false; // If headers are supported, and we still don't have a defined width or height, // we have implicit flex sizes. if ( $jit ) { if ( empty( $args[0]['width'] ) && empty( $args[0]['flex-width'] ) ) $args[0]['flex-width'] = true; if ( empty( $args[0]['height'] ) && empty( $args[0]['flex-height'] ) ) $args[0]['flex-height'] = true; } break; case 'custom-background' : if ( ! is_array( $args ) ) $args = array( 0 => array() ); $defaults = array( 'default-image' => '', 'default-repeat' => 'repeat', 'default-position-x' => 'left', 'default-attachment' => 'scroll', 'default-color' => '', 'wp-head-callback' => '_custom_background_cb', 'admin-head-callback' => '', 'admin-preview-callback' => '', ); $jit = isset( $args[0]['__jit'] ); unset( $args[0]['__jit'] ); // Merge in data from previous add_theme_support() calls. The first value registered wins. if ( isset( $_wp_theme_features['custom-background'] ) ) $args[0] = wp_parse_args( $_wp_theme_features['custom-background'][0], $args[0] ); if ( $jit ) $args[0] = wp_parse_args( $args[0], $defaults ); if ( defined( 'BACKGROUND_COLOR' ) ) $args[0]['default-color'] = BACKGROUND_COLOR; elseif ( isset( $args[0]['default-color'] ) || $jit ) define( 'BACKGROUND_COLOR', $args[0]['default-color'] ); if ( defined( 'BACKGROUND_IMAGE' ) ) $args[0]['default-image'] = BACKGROUND_IMAGE; elseif ( isset( $args[0]['default-image'] ) || $jit ) define( 'BACKGROUND_IMAGE', $args[0]['default-image'] ); break; } $_wp_theme_features[ $feature ] = $args; } |