| 1 |
<?php |
| 2 |
/** |
| 3 |
* Process the different data sources for site-level |
| 4 |
* config and offers and API to work with them. |
| 5 |
* |
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* @package gutenberg |
| 7 |
*/ |
| 8 |
|
| 9 |
/** |
| 10 |
* Class that abstracts the processing |
| 11 |
* of the different data sources. |
| 12 |
*/ |
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class WP_Theme_JSON_Resolver { |
| 14 |
|
| 15 |
/** |
| 16 |
* Container for data coming from core. |
| 17 |
* |
| 18 |
* @var WP_Theme_JSON |
| 19 |
*/ |
| 20 |
private static $core = null; |
| 21 |
|
| 22 |
/** |
| 23 |
* Container for data coming from the theme. |
| 24 |
* |
| 25 |
* @var WP_Theme_JSON |
| 26 |
*/ |
| 27 |
private static $theme = null; |
| 28 |
|
| 29 |
/** |
| 30 |
* Whether or not the theme supports theme.json. |
| 31 |
* |
| 32 |
* @var boolean |
| 33 |
*/ |
| 34 |
private static $theme_has_support = null; |
| 35 |
|
| 36 |
/** |
| 37 |
* Container for data coming from the user. |
| 38 |
* |
| 39 |
* @var WP_Theme_JSON |
| 40 |
*/ |
| 41 |
private static $user = null; |
| 42 |
|
| 43 |
/** |
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* Stores the ID of the custom post type |
| 45 |
* that holds the user data. |
| 46 |
* |
| 47 |
* @var integer |
| 48 |
*/ |
| 49 |
private static $user_custom_post_type_id = null; |
| 50 |
|
| 51 |
/** |
| 52 |
* Processes a file that adheres to the theme.json |
| 53 |
* schema and returns an array with its contents, |
| 54 |
* or a void array if none found. |
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* |
| 56 |
* @param string $file_path Path to file. Empty if no file. |
| 57 |
* |
| 58 |
* @return array Contents that adhere to the theme.json schema. |
| 59 |
*/ |
| 60 |
private static function read_json_file( $file_path ) { |
| 61 |
$config = array(); |
| 62 |
if ( $file_path ) { |
| 63 |
$decoded_file = json_decode( |
| 64 |
file_get_contents( $file_path ), |
| 65 |
true |
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); |
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|
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$json_decoding_error = json_last_error(); |
| 69 |
if ( JSON_ERROR_NONE !== $json_decoding_error ) { |
| 70 |
error_log( 'Error when decoding file schema: ' . json_last_error_msg() ); |
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return $config; |
| 72 |
} |
| 73 |
|
| 74 |
if ( is_array( $decoded_file ) ) { |
| 75 |
$config = $decoded_file; |
| 76 |
} |
| 77 |
} |
| 78 |
return $config; |
| 79 |
} |
| 80 |
|
| 81 |
/** |
| 82 |
* Converts a tree as in i18n-theme.json into a linear array |
| 83 |
* containing metadata to translate a theme.json file. |
| 84 |
* |
| 85 |
* For example, given this input: |
| 86 |
* |
| 87 |
* { |
| 88 |
* "settings": { |
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* "*": { |
| 90 |
* "typography": { |
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* "fontSizes": [ { "name": "Font size name" } ], |
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* "fontStyles": [ { "name": "Font size name" } ] |
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* } |
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* } |
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* } |
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* } |
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* |
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* will return this output: |
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* |
| 100 |
* [ |
| 101 |
* 0 => [ |
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* 'path' => [ 'settings', '*', 'typography', 'fontSizes' ], |
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* 'key' => 'name', |
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* 'context' => 'Font size name' |
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* ], |
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* 1 => [ |
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* 'path' => [ 'settings', '*', 'typography', 'fontStyles' ], |
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* 'key' => 'name', |
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* 'context' => 'Font style name' |
| 110 |
* ] |
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* ] |
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* |
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* @param array $i18n_partial A tree that follows the format of i18n-theme.json. |
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* @param array $current_path Keeps track of the path as we walk down the given tree. |
| 115 |
* |
| 116 |
* @return array A linear array containing the paths to translate. |
| 117 |
*/ |
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private static function extract_paths_to_translate( $i18n_partial, $current_path = array() ) { |
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$result = array(); |
| 120 |
foreach ( $i18n_partial as $property => $partial_child ) { |
| 121 |
if ( is_numeric( $property ) ) { |
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foreach ( $partial_child as $key => $context ) { |
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return array( |
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array( |
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'path' => $current_path, |
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'key' => $key, |
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'context' => $context, |
| 128 |
), |
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); |
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} |
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} |
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$result = array_merge( |
| 133 |
$result, |
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self::extract_paths_to_translate( $partial_child, array_merge( $current_path, array( $property ) ) ) |
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); |
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} |
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return $result; |
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} |
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|
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/** |
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* Returns a data structure used in theme.json translation. |
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* |
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* @return array An array of theme.json paths that are translatable and the keys that are translatable |
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*/ |
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public static function get_presets_to_translate() { |
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static $theme_json_i18n = null; |
| 147 |
if ( null === $theme_json_i18n ) { |
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$file_structure = self::read_json_file( __DIR__ . '/experimental-i18n-theme.json' ); |
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$theme_json_i18n = self::extract_paths_to_translate( $file_structure ); |
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} |
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return $theme_json_i18n; |
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} |
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|
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/** |
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* Given a theme.json structure modifies it in place |
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* to update certain values by its translated strings |
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* according to the language set by the user. |
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* |
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* @param array $theme_json The theme.json to translate. |
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* @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. |
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* Default 'default'. |
| 162 |
* |
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* @return array Returns the modified $theme_json_structure. |
| 164 |
*/ |
| 165 |
private static function translate( $theme_json, $domain = 'default' ) { |
| 166 |
if ( ! isset( $theme_json['settings'] ) ) { |
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return $theme_json; |
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} |
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|
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$presets = self::get_presets_to_translate(); |
| 171 |
foreach ( $theme_json['settings'] as $setting_key => $settings ) { |
| 172 |
if ( empty( $settings ) ) { |
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continue; |
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} |
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|
| 176 |
foreach ( $presets as $preset ) { |
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$path = array_slice( $preset['path'], 2 ); |
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$key = $preset['key']; |
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$context = $preset['context']; |
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|
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$array_to_translate = _wp_array_get( $theme_json['settings'][ $setting_key ], $path, null ); |
| 182 |
if ( null === $array_to_translate ) { |
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continue; |
| 184 |
} |
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|
| 186 |
foreach ( $array_to_translate as $item_key => $item_to_translate ) { |
| 187 |
if ( empty( $item_to_translate[ $key ] ) ) { |
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continue; |
| 189 |
} |
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|
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// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralContext,WordPress.WP.I18n.NonSingularStringLiteralDomain |
| 192 |
$array_to_translate[ $item_key ][ $key ] = translate_with_gettext_context( $array_to_translate[ $item_key ][ $key ], $context, $domain ); |
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// phpcs:enable |
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} |
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|
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gutenberg_experimental_set( $theme_json['settings'][ $setting_key ], $path, $array_to_translate ); |
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} |
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} |
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|
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return $theme_json; |
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} |
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|
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/** |
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* Return core's origin config. |
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* |
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* @return WP_Theme_JSON Entity that holds core data. |
| 207 |
*/ |
| 208 |
public static function get_core_data() { |
| 209 |
if ( null !== self::$core ) { |
| 210 |
return self::$core; |
| 211 |
} |
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|
| 213 |
$all_blocks = WP_Theme_JSON::ALL_BLOCKS_NAME; |
| 214 |
$config = self::read_json_file( __DIR__ . '/experimental-default-theme.json' ); |
| 215 |
$config = self::translate( $config ); |
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|
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// Start i18n logic to remove when JSON i18 strings are extracted. |
| 218 |
$default_colors_i18n = array( |
| 219 |
'black' => __( 'Black', 'gutenberg' ), |
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'cyan-bluish-gray' => __( 'Cyan bluish gray', 'gutenberg' ), |
| 221 |
'white' => __( 'White', 'gutenberg' ), |
| 222 |
'pale-pink' => __( 'Pale pink', 'gutenberg' ), |
| 223 |
'vivid-red' => __( 'Vivid red', 'gutenberg' ), |
| 224 |
'luminous-vivid-orange' => __( 'Luminous vivid orange', 'gutenberg' ), |
| 225 |
'luminous-vivid-amber' => __( 'Luminous vivid amber', 'gutenberg' ), |
| 226 |
'light-green-cyan' => __( 'Light green cyan', 'gutenberg' ), |
| 227 |
'vivid-green-cyan' => __( 'Vivid green cyan', 'gutenberg' ), |
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'pale-cyan-blue' => __( 'Pale cyan blue', 'gutenberg' ), |
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'vivid-cyan-blue' => __( 'Vivid cyan blue', 'gutenberg' ), |
| 230 |
'vivid-purple' => __( 'Vivid purple', 'gutenberg' ), |
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); |
| 232 |
if ( ! empty( $config['settings'][ $all_blocks ]['color']['palette'] ) ) { |
| 233 |
foreach ( $config['settings'][ $all_blocks ]['color']['palette'] as $color_key => $color ) { |
| 234 |
$config['settings'][ $all_blocks ]['color']['palette'][ $color_key ]['name'] = $default_colors_i18n[ $color['slug'] ]; |
| 235 |
} |
| 236 |
} |
| 237 |
|
| 238 |
$default_gradients_i18n = array( |
| 239 |
'vivid-cyan-blue-to-vivid-purple' => __( 'Vivid cyan blue to vivid purple', 'gutenberg' ), |
| 240 |
'light-green-cyan-to-vivid-green-cyan' => __( 'Light green cyan to vivid green cyan', 'gutenberg' ), |
| 241 |
'luminous-vivid-amber-to-luminous-vivid-orange' => __( 'Luminous vivid amber to luminous vivid orange', 'gutenberg' ), |
| 242 |
'luminous-vivid-orange-to-vivid-red' => __( 'Luminous vivid orange to vivid red', 'gutenberg' ), |
| 243 |
'very-light-gray-to-cyan-bluish-gray' => __( 'Very light gray to cyan bluish gray', 'gutenberg' ), |
| 244 |
'cool-to-warm-spectrum' => __( 'Cool to warm spectrum', 'gutenberg' ), |
| 245 |
'blush-light-purple' => __( 'Blush light purple', 'gutenberg' ), |
| 246 |
'blush-bordeaux' => __( 'Blush bordeaux', 'gutenberg' ), |
| 247 |
'luminous-dusk' => __( 'Luminous dusk', 'gutenberg' ), |
| 248 |
'pale-ocean' => __( 'Pale ocean', 'gutenberg' ), |
| 249 |
'electric-grass' => __( 'Electric grass', 'gutenberg' ), |
| 250 |
'midnight' => __( 'Midnight', 'gutenberg' ), |
| 251 |
); |
| 252 |
if ( ! empty( $config['settings'][ $all_blocks ]['color']['gradients'] ) ) { |
| 253 |
foreach ( $config['settings'][ $all_blocks ]['color']['gradients'] as $gradient_key => $gradient ) { |
| 254 |
$config['settings'][ $all_blocks ]['color']['gradients'][ $gradient_key ]['name'] = $default_gradients_i18n[ $gradient['slug'] ]; |
| 255 |
} |
| 256 |
} |
| 257 |
|
| 258 |
$default_font_sizes_i18n = array( |
| 259 |
'small' => __( 'Small', 'gutenberg' ), |
| 260 |
'normal' => __( 'Normal', 'gutenberg' ), |
| 261 |
'medium' => __( 'Medium', 'gutenberg' ), |
| 262 |
'large' => __( 'Large', 'gutenberg' ), |
| 263 |
'huge' => __( 'Huge', 'gutenberg' ), |
| 264 |
); |
| 265 |
if ( ! empty( $config['settings'][ $all_blocks ]['typography']['fontSizes'] ) ) { |
| 266 |
foreach ( $config['settings'][ $all_blocks ]['typography']['fontSizes'] as $font_size_key => $font_size ) { |
| 267 |
$config['settings'][ $all_blocks ]['typography']['fontSizes'][ $font_size_key ]['name'] = $default_font_sizes_i18n[ $font_size['slug'] ]; |
| 268 |
} |
| 269 |
} |
| 270 |
// End i18n logic to remove when JSON i18 strings are extracted. |
| 271 |
|
| 272 |
self::$core = new WP_Theme_JSON( $config ); |
| 273 |
|
| 274 |
return self::$core; |
| 275 |
} |
| 276 |
|
| 277 |
/** |
| 278 |
* Returns the theme's data. |
| 279 |
* |
| 280 |
* Data from theme.json can be augmented via the |
| 281 |
* $theme_support_data variable. This is useful, for example, |
| 282 |
* to backfill the gaps in theme.json that a theme has declared |
| 283 |
* via add_theme_supports. |
| 284 |
* |
| 285 |
* Note that if the same data is present in theme.json |
| 286 |
* and in $theme_support_data, the theme.json's is not overwritten. |
| 287 |
* |
| 288 |
* @param array $theme_support_data Theme support data in theme.json format. |
| 289 |
* |
| 290 |
* @return WP_Theme_JSON Entity that holds theme data. |
| 291 |
*/ |
| 292 |
public static function get_theme_data( $theme_support_data = array() ) { |
| 293 |
if ( null === self::$theme ) { |
| 294 |
$theme_json_data = self::read_json_file( self::get_file_path_from_theme( 'experimental-theme.json' ) ); |
| 295 |
$theme_json_data = self::translate( $theme_json_data, wp_get_theme()->get( 'TextDomain' ) ); |
| 296 |
self::$theme = new WP_Theme_JSON( $theme_json_data ); |
| 297 |
} |
| 298 |
|
| 299 |
if ( empty( $theme_support_data ) ) { |
| 300 |
return self::$theme; |
| 301 |
} |
| 302 |
|
| 303 |
/* |
| 304 |
* We want the presets and settings declared in theme.json |
| 305 |
* to override the ones declared via add_theme_support. |
| 306 |
*/ |
| 307 |
$with_theme_supports = new WP_Theme_JSON( $theme_support_data ); |
| 308 |
$with_theme_supports->merge( self::$theme ); |
| 309 |
|
| 310 |
return $with_theme_supports; |
| 311 |
} |
| 312 |
|
| 313 |
/** |
| 314 |
* Returns the CPT that contains the user's origin config |
| 315 |
* for the current theme or a void array if none found. |
| 316 |
* |
| 317 |
* It can also create and return a new draft CPT. |
| 318 |
* |
| 319 |
* @param bool $should_create_cpt Whether a new CPT should be created if no one was found. |
| 320 |
* False by default. |
| 321 |
* @param array $post_status_filter Filter CPT by post status. |
| 322 |
* ['publish'] by default, so it only fetches published posts. |
| 323 |
* |
| 324 |
* @return array Custom Post Type for the user's origin config. |
| 325 |
*/ |
| 326 |
private static function get_user_data_from_custom_post_type( $should_create_cpt = false, $post_status_filter = array( 'publish' ) ) { |
| 327 |
$user_cpt = array(); |
| 328 |
$post_type_filter = 'wp_global_styles'; |
| 329 |
$post_name_filter = 'wp-global-styles-' . urlencode( wp_get_theme()->get_stylesheet() ); |
| 330 |
$recent_posts = wp_get_recent_posts( |
| 331 |
array( |
| 332 |
'numberposts' => 1, |
| 333 |
'orderby' => 'date', |
| 334 |
'order' => 'desc', |
| 335 |
'post_type' => $post_type_filter, |
| 336 |
'post_status' => $post_status_filter, |
| 337 |
'name' => $post_name_filter, |
| 338 |
) |
| 339 |
); |
| 340 |
|
| 341 |
if ( is_array( $recent_posts ) && ( count( $recent_posts ) === 1 ) ) { |
| 342 |
$user_cpt = $recent_posts[0]; |
| 343 |
} elseif ( $should_create_cpt ) { |
| 344 |
$cpt_post_id = wp_insert_post( |
| 345 |
array( |
| 346 |
'post_content' => '{}', |
| 347 |
'post_status' => 'publish', |
| 348 |
'post_type' => $post_type_filter, |
| 349 |
'post_name' => $post_name_filter, |
| 350 |
), |
| 351 |
true |
| 352 |
); |
| 353 |
$user_cpt = get_post( $cpt_post_id, ARRAY_A ); |
| 354 |
} |
| 355 |
|
| 356 |
return $user_cpt; |
| 357 |
} |
| 358 |
|
| 359 |
/** |
| 360 |
* Returns the user's origin config. |
| 361 |
* |
| 362 |
* @return WP_Theme_JSON Entity that holds user data. |
| 363 |
*/ |
| 364 |
public static function get_user_data() { |
| 365 |
if ( null !== self::$user ) { |
| 366 |
return self::$user; |
| 367 |
} |
| 368 |
|
| 369 |
$config = array(); |
| 370 |
$user_cpt = self::get_user_data_from_custom_post_type(); |
| 371 |
if ( array_key_exists( 'post_content', $user_cpt ) ) { |
| 372 |
$decoded_data = json_decode( $user_cpt['post_content'], true ); |
| 373 |
|
| 374 |
$json_decoding_error = json_last_error(); |
| 375 |
if ( JSON_ERROR_NONE !== $json_decoding_error ) { |
| 376 |
error_log( 'Error when decoding user schema: ' . json_last_error_msg() ); |
| 377 |
return $config; |
| 378 |
} |
| 379 |
|
| 380 |
// Very important to verify if the flag isGlobalStylesUserThemeJSON is true. |
| 381 |
// If is not true the content was not escaped and is not safe. |
| 382 |
if ( |
| 383 |
is_array( $decoded_data ) && |
| 384 |
isset( $decoded_data['isGlobalStylesUserThemeJSON'] ) && |
| 385 |
$decoded_data['isGlobalStylesUserThemeJSON'] |
| 386 |
) { |
| 387 |
unset( $decoded_data['isGlobalStylesUserThemeJSON'] ); |
| 388 |
$config = $decoded_data; |
| 389 |
} |
| 390 |
} |
| 391 |
self::$user = new WP_Theme_JSON( $config ); |
| 392 |
|
| 393 |
return self::$user; |
| 394 |
} |
| 395 |
|
| 396 |
/** |
| 397 |
* There are three sources of data (origins) for a site: |
| 398 |
* core, theme, and user. The user's has higher priority |
| 399 |
* than the theme's, and the theme's higher than core's. |
| 400 |
* |
| 401 |
* Unlike the getters {@link get_core_data}, |
| 402 |
* {@link get_theme_data}, and {@link get_user_data}, |
| 403 |
* this method returns data after it has been merged |
| 404 |
* with the previous origins. This means that if the same piece of data |
| 405 |
* is declared in different origins (user, theme, and core), |
| 406 |
* the last origin overrides the previous. |
| 407 |
* |
| 408 |
* For example, if the user has set a background color |
| 409 |
* for the paragraph block, and the theme has done it as well, |
| 410 |
* the user preference wins. |
| 411 |
* |
| 412 |
* @param array $theme_support_data Existing block editor settings. |
| 413 |
* Empty array by default. |
| 414 |
* @param string $origin To what level should we merge data. |
| 415 |
* Valid values are 'theme' or 'user'. |
| 416 |
* Default is 'user'. |
| 417 |
* |
| 418 |
* @return WP_Theme_JSON |
| 419 |
*/ |
| 420 |
public static function get_merged_data( $theme_support_data = array(), $origin = 'user' ) { |
| 421 |
if ( 'theme' === $origin ) { |
| 422 |
$result = new WP_Theme_JSON(); |
| 423 |
$result->merge( self::get_core_data() ); |
| 424 |
$result->merge( self::get_theme_data( $theme_support_data ) ); |
| 425 |
return $result; |
| 426 |
} |
| 427 |
|
| 428 |
$result = new WP_Theme_JSON(); |
| 429 |
$result->merge( self::get_core_data() ); |
| 430 |
$result->merge( self::get_theme_data( $theme_support_data ) ); |
| 431 |
$result->merge( self::get_user_data() ); |
| 432 |
return $result; |
| 433 |
} |
| 434 |
|
| 435 |
/** |
| 436 |
* Registers a Custom Post Type to store the user's origin config. |
| 437 |
*/ |
| 438 |
public static function register_user_custom_post_type() { |
| 439 |
$args = array( |
| 440 |
'label' => __( 'Global Styles', 'gutenberg' ), |
| 441 |
'description' => 'CPT to store user design tokens', |
| 442 |
'public' => false, |
| 443 |
'show_ui' => false, |
| 444 |
'show_in_rest' => true, |
| 445 |
'rest_base' => '__experimental/global-styles', |
| 446 |
'capabilities' => array( |
| 447 |
'read' => 'edit_theme_options', |
| 448 |
'create_posts' => 'edit_theme_options', |
| 449 |
'edit_posts' => 'edit_theme_options', |
| 450 |
'edit_published_posts' => 'edit_theme_options', |
| 451 |
'delete_published_posts' => 'edit_theme_options', |
| 452 |
'edit_others_posts' => 'edit_theme_options', |
| 453 |
'delete_others_posts' => 'edit_theme_options', |
| 454 |
), |
| 455 |
'map_meta_cap' => true, |
| 456 |
'supports' => array( |
| 457 |
'editor', |
| 458 |
'revisions', |
| 459 |
), |
| 460 |
); |
| 461 |
register_post_type( 'wp_global_styles', $args ); |
| 462 |
} |
| 463 |
|
| 464 |
/** |
| 465 |
* Returns the ID of the custom post type |
| 466 |
* that stores user data. |
| 467 |
* |
| 468 |
* @return integer |
| 469 |
*/ |
| 470 |
public static function get_user_custom_post_type_id() { |
| 471 |
if ( null !== self::$user_custom_post_type_id ) { |
| 472 |
return self::$user_custom_post_type_id; |
| 473 |
} |
| 474 |
|
| 475 |
$user_cpt = self::get_user_data_from_custom_post_type( true ); |
| 476 |
if ( array_key_exists( 'ID', $user_cpt ) ) { |
| 477 |
self::$user_custom_post_type_id = $user_cpt['ID']; |
| 478 |
} |
| 479 |
|
| 480 |
return self::$user_custom_post_type_id; |
| 481 |
} |
| 482 |
|
| 483 |
/** |
| 484 |
* Whether the current theme has a theme.json file. |
| 485 |
* |
| 486 |
* @return boolean |
| 487 |
*/ |
| 488 |
public static function theme_has_support() { |
| 489 |
if ( ! isset( self::$theme_has_support ) ) { |
| 490 |
self::$theme_has_support = (bool) self::get_file_path_from_theme( 'experimental-theme.json' ); |
| 491 |
} |
| 492 |
|
| 493 |
return self::$theme_has_support; |
| 494 |
} |
| 495 |
|
| 496 |
/** |
| 497 |
* Builds the path to the given file |
| 498 |
* and checks that it is readable. |
| 499 |
* |
| 500 |
* If it isn't, returns an empty string, |
| 501 |
* otherwise returns the whole file path. |
| 502 |
* |
| 503 |
* @param string $file_name Name of the file. |
| 504 |
* @return string The whole file path or empty if the file doesn't exist. |
| 505 |
*/ |
| 506 |
private static function get_file_path_from_theme( $file_name ) { |
| 507 |
// This used to be a locate_template call. |
| 508 |
// However, that method proved problematic |
| 509 |
// due to its use of constants (STYLESHEETPATH) |
| 510 |
// that threw errors in some scenarios. |
| 511 |
// |
| 512 |
// When the theme.json merge algorithm properly supports |
| 513 |
// child themes, this should also fallback |
| 514 |
// to the template path, as locate_template did. |
| 515 |
$located = ''; |
| 516 |
$candidate = get_stylesheet_directory() . '/' . $file_name; |
| 517 |
if ( is_readable( $candidate ) ) { |
| 518 |
$located = $candidate; |
| 519 |
} |
| 520 |
return $located; |
| 521 |
} |
| 522 |
|
| 523 |
} |
| 524 |
|
