| 1 |
<?php |
| 2 |
/** |
| 3 |
* Process of structures that adhere to the theme.json schema. |
| 4 |
* |
| 5 |
* @package gutenberg |
| 6 |
*/ |
| 7 |
|
| 8 |
/** |
| 9 |
* Class that encapsulates the processing of |
| 10 |
* structures that adhere to the theme.json spec. |
| 11 |
*/ |
| 12 |
class WP_Theme_JSON { |
| 13 |
|
| 14 |
/** |
| 15 |
* Container of data in theme.json format. |
| 16 |
* |
| 17 |
* @var array |
| 18 |
*/ |
| 19 |
private $theme_json = null; |
| 20 |
|
| 21 |
/** |
| 22 |
* Holds block metadata extracted from block.json |
| 23 |
* to be shared among all instances so we don't |
| 24 |
* process it twice. |
| 25 |
* |
| 26 |
* @var array |
| 27 |
*/ |
| 28 |
private static $blocks_metadata = null; |
| 29 |
|
| 30 |
/** |
| 31 |
* How to address all the blocks |
| 32 |
* in the theme.json file. |
| 33 |
*/ |
| 34 |
const ALL_BLOCKS_NAME = 'defaults'; |
| 35 |
|
| 36 |
/** |
| 37 |
* The CSS selector for the * block, |
| 38 |
* only using to generate presets. |
| 39 |
* |
| 40 |
* @var string |
| 41 |
*/ |
| 42 |
const ALL_BLOCKS_SELECTOR = ':root'; |
| 43 |
|
| 44 |
/** |
| 45 |
* How to address the root block |
| 46 |
* in the theme.json file. |
| 47 |
* |
| 48 |
* @var string |
| 49 |
*/ |
| 50 |
const ROOT_BLOCK_NAME = 'root'; |
| 51 |
|
| 52 |
/** |
| 53 |
* The CSS selector for the root block. |
| 54 |
* |
| 55 |
* @var string |
| 56 |
*/ |
| 57 |
const ROOT_BLOCK_SELECTOR = ':root'; |
| 58 |
|
| 59 |
/** |
| 60 |
* Data schema of each block within a theme.json. |
| 61 |
* |
| 62 |
* Example: |
| 63 |
* |
| 64 |
* { |
| 65 |
* 'block-one': { |
| 66 |
* 'styles': { |
| 67 |
* 'color': { |
| 68 |
* 'background': 'color' |
| 69 |
* } |
| 70 |
* }, |
| 71 |
* 'settings': { |
| 72 |
* 'color': { |
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* 'custom': true |
| 74 |
* } |
| 75 |
* } |
| 76 |
* }, |
| 77 |
* 'block-two': { |
| 78 |
* 'styles': { |
| 79 |
* 'color': { |
| 80 |
* 'link': 'color' |
| 81 |
* } |
| 82 |
* } |
| 83 |
* } |
| 84 |
* } |
| 85 |
*/ |
| 86 |
const SCHEMA = array( |
| 87 |
'customTemplates' => null, |
| 88 |
'templateParts' => null, |
| 89 |
'styles' => array( |
| 90 |
'border' => array( |
| 91 |
'radius' => null, |
| 92 |
'color' => null, |
| 93 |
'style' => null, |
| 94 |
'width' => null, |
| 95 |
), |
| 96 |
'color' => array( |
| 97 |
'background' => null, |
| 98 |
'gradient' => null, |
| 99 |
'link' => null, |
| 100 |
'text' => null, |
| 101 |
), |
| 102 |
'spacing' => array( |
| 103 |
'padding' => array( |
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'top' => null, |
| 105 |
'right' => null, |
| 106 |
'bottom' => null, |
| 107 |
'left' => null, |
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), |
| 109 |
), |
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'typography' => array( |
| 111 |
'fontFamily' => null, |
| 112 |
'fontSize' => null, |
| 113 |
'fontStyle' => null, |
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'fontWeight' => null, |
| 115 |
'lineHeight' => null, |
| 116 |
'textDecoration' => null, |
| 117 |
'textTransform' => null, |
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), |
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), |
| 120 |
'settings' => array( |
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'border' => array( |
| 122 |
'customRadius' => null, |
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'customColor' => null, |
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'customStyle' => null, |
| 125 |
'customWidth' => null, |
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), |
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'color' => array( |
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'custom' => null, |
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'customGradient' => null, |
| 130 |
'gradients' => null, |
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'link' => null, |
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'palette' => null, |
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), |
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'spacing' => array( |
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'customPadding' => null, |
| 136 |
'units' => null, |
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), |
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'typography' => array( |
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'customFontSize' => null, |
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'customLineHeight' => null, |
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'dropCap' => null, |
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'fontFamilies' => null, |
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'fontSizes' => null, |
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'customFontStyle' => null, |
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'customFontWeight' => null, |
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'customTextDecorations' => null, |
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'customTextTransforms' => null, |
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), |
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'custom' => null, |
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'layout' => null, |
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), |
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); |
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|
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/** |
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* Presets are a set of values that serve |
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* to bootstrap some styles: colors, font sizes, etc. |
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* |
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* They are a unkeyed array of values such as: |
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* |
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* ```php |
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* array( |
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* array( |
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* 'slug' => 'unique-name-within-the-set', |
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* 'name' => 'Name for the UI', |
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* <value_key> => 'value' |
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* ), |
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* ) |
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* ``` |
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* |
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* This contains the necessary metadata to process them: |
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* |
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* - path => where to find the preset within the settings section |
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* |
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* - value_key => the key that represents the value |
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* |
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* - css_var_infix => infix to use in generating the CSS Custom Property. Example: |
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* --wp--preset--<preset_infix>--<slug>: <preset_value> |
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* |
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* - classes => array containing a structure with the classes to |
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* generate for the presets. Each class should have |
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* the class suffix and the property name. Example: |
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* |
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* .has-<slug>-<class_suffix> { |
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* <property_name>: <preset_value> |
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* } |
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*/ |
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const PRESETS_METADATA = array( |
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array( |
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'path' => array( 'color', 'palette' ), |
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'value_key' => 'color', |
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'css_var_infix' => 'color', |
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'classes' => array( |
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array( |
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'class_suffix' => 'color', |
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'property_name' => 'color', |
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), |
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array( |
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'class_suffix' => 'background-color', |
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'property_name' => 'background-color', |
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), |
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), |
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), |
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array( |
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'path' => array( 'color', 'gradients' ), |
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'value_key' => 'gradient', |
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'css_var_infix' => 'gradient', |
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'classes' => array( |
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array( |
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'class_suffix' => 'gradient-background', |
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'property_name' => 'background', |
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), |
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), |
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), |
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array( |
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'path' => array( 'typography', 'fontSizes' ), |
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'value_key' => 'size', |
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'css_var_infix' => 'font-size', |
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'classes' => array( |
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array( |
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'class_suffix' => 'font-size', |
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'property_name' => 'font-size', |
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), |
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), |
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), |
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array( |
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'path' => array( 'typography', 'fontFamilies' ), |
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'value_key' => 'fontFamily', |
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'css_var_infix' => 'font-family', |
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'classes' => array(), |
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), |
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); |
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|
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/** |
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* Metadata for style properties. |
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* |
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* Each property declares: |
| 237 |
* |
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* - 'value': path to the value in theme.json and block attributes. |
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*/ |
| 240 |
const PROPERTIES_METADATA = array( |
| 241 |
'--wp--style--color--link' => array( |
| 242 |
'value' => array( 'color', 'link' ), |
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), |
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'background' => array( |
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'value' => array( 'color', 'gradient' ), |
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), |
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'background-color' => array( |
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'value' => array( 'color', 'background' ), |
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), |
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'border-radius' => array( |
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'value' => array( 'border', 'radius' ), |
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), |
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'border-color' => array( |
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'value' => array( 'border', 'color' ), |
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), |
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'border-width' => array( |
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'value' => array( 'border', 'width' ), |
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), |
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'border-style' => array( |
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'value' => array( 'border', 'style' ), |
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), |
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'color' => array( |
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'value' => array( 'color', 'text' ), |
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), |
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'font-family' => array( |
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'value' => array( 'typography', 'fontFamily' ), |
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), |
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'font-size' => array( |
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'value' => array( 'typography', 'fontSize' ), |
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), |
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'font-style' => array( |
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'value' => array( 'typography', 'fontStyle' ), |
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), |
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'font-weight' => array( |
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'value' => array( 'typography', 'fontWeight' ), |
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), |
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'line-height' => array( |
| 278 |
'value' => array( 'typography', 'lineHeight' ), |
| 279 |
), |
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'padding' => array( |
| 281 |
'value' => array( 'spacing', 'padding' ), |
| 282 |
'properties' => array( 'top', 'right', 'bottom', 'left' ), |
| 283 |
), |
| 284 |
'text-decoration' => array( |
| 285 |
'value' => array( 'typography', 'textDecoration' ), |
| 286 |
), |
| 287 |
'text-transform' => array( |
| 288 |
'value' => array( 'typography', 'textTransform' ), |
| 289 |
), |
| 290 |
); |
| 291 |
|
| 292 |
/** |
| 293 |
* Constructor. |
| 294 |
* |
| 295 |
* @param array $theme_json A structure that follows the theme.json schema. |
| 296 |
*/ |
| 297 |
public function __construct( $theme_json = array() ) { |
| 298 |
$this->theme_json = array(); |
| 299 |
|
| 300 |
if ( ! is_array( $theme_json ) ) { |
| 301 |
return; |
| 302 |
} |
| 303 |
|
| 304 |
// Remove top-level keys that aren't present in the schema. |
| 305 |
$this->theme_json = array_intersect_key( $theme_json, self::SCHEMA ); |
| 306 |
|
| 307 |
$block_metadata = self::get_blocks_metadata(); |
| 308 |
foreach ( array( 'settings', 'styles' ) as $subtree ) { |
| 309 |
// Remove settings & styles subtrees if they aren't arrays. |
| 310 |
if ( isset( $this->theme_json[ $subtree ] ) && ! is_array( $this->theme_json[ $subtree ] ) ) { |
| 311 |
unset( $this->theme_json[ $subtree ] ); |
| 312 |
} |
| 313 |
|
| 314 |
// Remove block selectors subtrees declared within settings & styles if that aren't registered. |
| 315 |
if ( isset( $this->theme_json[ $subtree ] ) ) { |
| 316 |
$this->theme_json[ $subtree ] = array_intersect_key( $this->theme_json[ $subtree ], $block_metadata ); |
| 317 |
} |
| 318 |
} |
| 319 |
|
| 320 |
foreach ( $block_metadata as $block_selector => $metadata ) { |
| 321 |
if ( isset( $this->theme_json['styles'][ $block_selector ] ) ) { |
| 322 |
// Remove the block selector subtree if it's not an array. |
| 323 |
if ( ! is_array( $this->theme_json['styles'][ $block_selector ] ) ) { |
| 324 |
unset( $this->theme_json['styles'][ $block_selector ] ); |
| 325 |
continue; |
| 326 |
} |
| 327 |
|
| 328 |
$styles_schema = self::SCHEMA['styles']; |
| 329 |
$this->theme_json['styles'][ $block_selector ] = self::remove_keys_not_in_schema( |
| 330 |
$this->theme_json['styles'][ $block_selector ], |
| 331 |
$styles_schema |
| 332 |
); |
| 333 |
|
| 334 |
// Remove the block selector subtree if it is empty after having processed it. |
| 335 |
if ( empty( $this->theme_json['styles'][ $block_selector ] ) ) { |
| 336 |
unset( $this->theme_json['styles'][ $block_selector ] ); |
| 337 |
} |
| 338 |
} |
| 339 |
|
| 340 |
if ( isset( $this->theme_json['settings'][ $block_selector ] ) ) { |
| 341 |
// Remove the block selector subtree if it's not an array. |
| 342 |
if ( ! is_array( $this->theme_json['settings'][ $block_selector ] ) ) { |
| 343 |
unset( $this->theme_json['settings'][ $block_selector ] ); |
| 344 |
continue; |
| 345 |
} |
| 346 |
|
| 347 |
// Remove the properties that aren't present in the schema. |
| 348 |
$this->theme_json['settings'][ $block_selector ] = self::remove_keys_not_in_schema( |
| 349 |
$this->theme_json['settings'][ $block_selector ], |
| 350 |
self::SCHEMA['settings'] |
| 351 |
); |
| 352 |
|
| 353 |
// Remove the block selector subtree if it is empty after having processed it. |
| 354 |
if ( empty( $this->theme_json['settings'][ $block_selector ] ) ) { |
| 355 |
unset( $this->theme_json['settings'][ $block_selector ] ); |
| 356 |
} |
| 357 |
} |
| 358 |
} |
| 359 |
|
| 360 |
// Remove the settings & styles subtrees if they're empty after having processed them. |
| 361 |
foreach ( array( 'settings', 'styles' ) as $subtree ) { |
| 362 |
if ( empty( $this->theme_json[ $subtree ] ) ) { |
| 363 |
unset( $this->theme_json[ $subtree ] ); |
| 364 |
} |
| 365 |
} |
| 366 |
|
| 367 |
} |
| 368 |
|
| 369 |
/** |
| 370 |
* Given a CSS property name, returns the property it belongs |
| 371 |
* within the self::PROPERTIES_METADATA map. |
| 372 |
* |
| 373 |
* @param string $css_name The CSS property name. |
| 374 |
* |
| 375 |
* @return string The property name. |
| 376 |
*/ |
| 377 |
private static function to_property( $css_name ) { |
| 378 |
static $to_property; |
| 379 |
if ( null === $to_property ) { |
| 380 |
foreach ( self::PROPERTIES_METADATA as $key => $metadata ) { |
| 381 |
$to_property[ $key ] = $key; |
| 382 |
if ( self::has_properties( $metadata ) ) { |
| 383 |
foreach ( $metadata['properties'] as $property ) { |
| 384 |
$to_property[ $key . '-' . $property ] = $key; |
| 385 |
} |
| 386 |
} |
| 387 |
} |
| 388 |
} |
| 389 |
return $to_property[ $css_name ]; |
| 390 |
} |
| 391 |
|
| 392 |
/** |
| 393 |
* Returns the metadata for each block. |
| 394 |
* |
| 395 |
* Example: |
| 396 |
* |
| 397 |
* { |
| 398 |
* 'root': { |
| 399 |
* 'selector': ':root' |
| 400 |
* }, |
| 401 |
* 'core/heading/h1': { |
| 402 |
* 'selector': 'h1' |
| 403 |
* } |
| 404 |
* } |
| 405 |
* |
| 406 |
* @return array Block metadata. |
| 407 |
*/ |
| 408 |
private static function get_blocks_metadata() { |
| 409 |
if ( null !== self::$blocks_metadata ) { |
| 410 |
return self::$blocks_metadata; |
| 411 |
} |
| 412 |
|
| 413 |
self::$blocks_metadata = array( |
| 414 |
self::ROOT_BLOCK_NAME => array( |
| 415 |
'selector' => self::ROOT_BLOCK_SELECTOR, |
| 416 |
), |
| 417 |
self::ALL_BLOCKS_NAME => array( |
| 418 |
'selector' => self::ALL_BLOCKS_SELECTOR, |
| 419 |
), |
| 420 |
); |
| 421 |
|
| 422 |
$registry = WP_Block_Type_Registry::get_instance(); |
| 423 |
$blocks = $registry->get_all_registered(); |
| 424 |
foreach ( $blocks as $block_name => $block_type ) { |
| 425 |
/* |
| 426 |
* Assign the selector for the block. |
| 427 |
* |
| 428 |
* Some blocks can declare multiple selectors: |
| 429 |
* |
| 430 |
* - core/heading represents the H1-H6 HTML elements |
| 431 |
* - core/list represents the UL and OL HTML elements |
| 432 |
* - core/group is meant to represent DIV and other HTML elements |
| 433 |
* |
| 434 |
* Some other blocks don't provide a selector, |
| 435 |
* so we generate a class for them based on their name: |
| 436 |
* |
| 437 |
* - 'core/group' => '.wp-block-group' |
| 438 |
* - 'my-custom-library/block-name' => '.wp-block-my-custom-library-block-name' |
| 439 |
* |
| 440 |
* Note that, for core blocks, we don't add the `core/` prefix to its class name. |
| 441 |
* This is for historical reasons, as they come with a class without that infix. |
| 442 |
* |
| 443 |
*/ |
| 444 |
if ( |
| 445 |
isset( $block_type->supports['__experimentalSelector'] ) && |
| 446 |
is_string( $block_type->supports['__experimentalSelector'] ) |
| 447 |
) { |
| 448 |
self::$blocks_metadata[ $block_name ] = array( |
| 449 |
'selector' => $block_type->supports['__experimentalSelector'], |
| 450 |
); |
| 451 |
} elseif ( |
| 452 |
isset( $block_type->supports['__experimentalSelector'] ) && |
| 453 |
is_array( $block_type->supports['__experimentalSelector'] ) |
| 454 |
) { |
| 455 |
foreach ( $block_type->supports['__experimentalSelector'] as $key => $selector_metadata ) { |
| 456 |
if ( ! isset( $selector_metadata['selector'] ) ) { |
| 457 |
continue; |
| 458 |
} |
| 459 |
|
| 460 |
self::$blocks_metadata[ $key ] = array( |
| 461 |
'selector' => $selector_metadata['selector'], |
| 462 |
); |
| 463 |
} |
| 464 |
} else { |
| 465 |
self::$blocks_metadata[ $block_name ] = array( |
| 466 |
'selector' => '.wp-block-' . str_replace( '/', '-', str_replace( 'core/', '', $block_name ) ), |
| 467 |
); |
| 468 |
} |
| 469 |
} |
| 470 |
|
| 471 |
return self::$blocks_metadata; |
| 472 |
} |
| 473 |
|
| 474 |
/** |
| 475 |
* Given a tree, removes the keys that are not present in the schema. |
| 476 |
* |
| 477 |
* It is recursive and modifies the input in-place. |
| 478 |
* |
| 479 |
* @param array $tree Input to process. |
| 480 |
* @param array $schema Schema to adhere to. |
| 481 |
* |
| 482 |
* @return array Returns the modified $tree. |
| 483 |
*/ |
| 484 |
private static function remove_keys_not_in_schema( $tree, $schema ) { |
| 485 |
$tree = array_intersect_key( $tree, $schema ); |
| 486 |
|
| 487 |
foreach ( $schema as $key => $data ) { |
| 488 |
if ( is_array( $schema[ $key ] ) && isset( $tree[ $key ] ) ) { |
| 489 |
$tree[ $key ] = self::remove_keys_not_in_schema( $tree[ $key ], $schema[ $key ] ); |
| 490 |
|
| 491 |
if ( empty( $tree[ $key ] ) ) { |
| 492 |
unset( $tree[ $key ] ); |
| 493 |
} |
| 494 |
} |
| 495 |
} |
| 496 |
|
| 497 |
return $tree; |
| 498 |
} |
| 499 |
|
| 500 |
/** |
| 501 |
* Given a tree, it creates a flattened one |
| 502 |
* by merging the keys and binding the leaf values |
| 503 |
* to the new keys. |
| 504 |
* |
| 505 |
* It also transforms camelCase names into kebab-case |
| 506 |
* and substitutes '/' by '-'. |
| 507 |
* |
| 508 |
* This is thought to be useful to generate |
| 509 |
* CSS Custom Properties from a tree, |
| 510 |
* although there's nothing in the implementation |
| 511 |
* of this function that requires that format. |
| 512 |
* |
| 513 |
* For example, assuming the given prefix is '--wp' |
| 514 |
* and the token is '--', for this input tree: |
| 515 |
* |
| 516 |
* { |
| 517 |
* 'some/property': 'value', |
| 518 |
* 'nestedProperty': { |
| 519 |
* 'sub-property': 'value' |
| 520 |
* } |
| 521 |
* } |
| 522 |
* |
| 523 |
* it'll return this output: |
| 524 |
* |
| 525 |
* { |
| 526 |
* '--wp--some-property': 'value', |
| 527 |
* '--wp--nested-property--sub-property': 'value' |
| 528 |
* } |
| 529 |
* |
| 530 |
* @param array $tree Input tree to process. |
| 531 |
* @param string $prefix Prefix to prepend to each variable. '' by default. |
| 532 |
* @param string $token Token to use between levels. '--' by default. |
| 533 |
* |
| 534 |
* @return array The flattened tree. |
| 535 |
*/ |
| 536 |
private static function flatten_tree( $tree, $prefix = '', $token = '--' ) { |
| 537 |
$result = array(); |
| 538 |
foreach ( $tree as $property => $value ) { |
| 539 |
$new_key = $prefix . str_replace( |
| 540 |
'/', |
| 541 |
'-', |
| 542 |
strtolower( preg_replace( '/(?<!^)[A-Z]/', '-$0', $property ) ) // CamelCase to kebab-case. |
| 543 |
); |
| 544 |
|
| 545 |
if ( is_array( $value ) ) { |
| 546 |
$new_prefix = $new_key . $token; |
| 547 |
$result = array_merge( |
| 548 |
$result, |
| 549 |
self::flatten_tree( $value, $new_prefix, $token ) |
| 550 |
); |
| 551 |
} else { |
| 552 |
$result[ $new_key ] = $value; |
| 553 |
} |
| 554 |
} |
| 555 |
return $result; |
| 556 |
} |
| 557 |
|
| 558 |
/** |
| 559 |
* Returns the style property for the given path. |
| 560 |
* |
| 561 |
* It also converts CSS Custom Property stored as |
| 562 |
* "var:preset|color|secondary" to the form |
| 563 |
* "--wp--preset--color--secondary". |
| 564 |
* |
| 565 |
* @param array $styles Styles subtree. |
| 566 |
* @param array $path Which property to process. |
| 567 |
* |
| 568 |
* @return string Style property value. |
| 569 |
*/ |
| 570 |
private static function get_property_value( $styles, $path ) { |
| 571 |
$value = _wp_array_get( $styles, $path, '' ); |
| 572 |
|
| 573 |
if ( '' === $value ) { |
| 574 |
return $value; |
| 575 |
} |
| 576 |
|
| 577 |
$prefix = 'var:'; |
| 578 |
$prefix_len = strlen( $prefix ); |
| 579 |
$token_in = '|'; |
| 580 |
$token_out = '--'; |
| 581 |
if ( 0 === strncmp( $value, $prefix, $prefix_len ) ) { |
| 582 |
$unwrapped_name = str_replace( |
| 583 |
$token_in, |
| 584 |
$token_out, |
| 585 |
substr( $value, $prefix_len ) |
| 586 |
); |
| 587 |
$value = "var(--wp--$unwrapped_name)"; |
| 588 |
} |
| 589 |
|
| 590 |
return $value; |
| 591 |
} |
| 592 |
|
| 593 |
/** |
| 594 |
* Whether the metadata contains a key named properties. |
| 595 |
* |
| 596 |
* @param array $metadata Description of the style property. |
| 597 |
* |
| 598 |
* @return boolean True if properties exists, false otherwise. |
| 599 |
*/ |
| 600 |
private static function has_properties( $metadata ) { |
| 601 |
if ( array_key_exists( 'properties', $metadata ) ) { |
| 602 |
return true; |
| 603 |
} |
| 604 |
|
| 605 |
return false; |
| 606 |
} |
| 607 |
|
| 608 |
/** |
| 609 |
* Given a styles array, it extracts the style properties |
| 610 |
* and adds them to the $declarations array following the format: |
| 611 |
* |
| 612 |
* ```php |
| 613 |
* array( |
| 614 |
* 'name' => 'property_name', |
| 615 |
* 'value' => 'property_value, |
| 616 |
* ) |
| 617 |
* ``` |
| 618 |
* |
| 619 |
* @param array $declarations Holds the existing declarations. |
| 620 |
* @param array $styles Styles to process. |
| 621 |
* |
| 622 |
* @return array Returns the modified $declarations. |
| 623 |
*/ |
| 624 |
private static function compute_style_properties( $declarations, $styles ) { |
| 625 |
if ( empty( $styles ) ) { |
| 626 |
return $declarations; |
| 627 |
} |
| 628 |
|
| 629 |
$properties = array(); |
| 630 |
foreach ( self::PROPERTIES_METADATA as $name => $metadata ) { |
| 631 |
// Some properties can be shorthand properties, meaning that |
| 632 |
// they contain multiple values instead of a single one. |
| 633 |
// An example of this is the padding property, see self::SCHEMA. |
| 634 |
if ( self::has_properties( $metadata ) ) { |
| 635 |
foreach ( $metadata['properties'] as $property ) { |
| 636 |
$properties[] = array( |
| 637 |
'name' => $name . '-' . $property, |
| 638 |
'value' => array_merge( $metadata['value'], array( $property ) ), |
| 639 |
); |
| 640 |
} |
| 641 |
} else { |
| 642 |
$properties[] = array( |
| 643 |
'name' => $name, |
| 644 |
'value' => $metadata['value'], |
| 645 |
); |
| 646 |
} |
| 647 |
} |
| 648 |
|
| 649 |
foreach ( $properties as $prop ) { |
| 650 |
$value = self::get_property_value( $styles, $prop['value'] ); |
| 651 |
if ( ! empty( $value ) ) { |
| 652 |
$declarations[] = array( |
| 653 |
'name' => $prop['name'], |
| 654 |
'value' => $value, |
| 655 |
); |
| 656 |
} |
| 657 |
} |
| 658 |
|
| 659 |
return $declarations; |
| 660 |
} |
| 661 |
|
| 662 |
/** |
| 663 |
* Given a settings array, it returns the generated rulesets |
| 664 |
* for the preset classes. |
| 665 |
* |
| 666 |
* @param array $settings Settings to process. |
| 667 |
* @param string $selector Selector wrapping the classes. |
| 668 |
* |
| 669 |
* @return string The result of processing the presets. |
| 670 |
*/ |
| 671 |
private static function compute_preset_classes( $settings, $selector ) { |
| 672 |
if ( self::ROOT_BLOCK_SELECTOR === $selector ) { |
| 673 |
// Classes at the global level do not need any CSS prefixed, |
| 674 |
// and we don't want to increase its specificity. |
| 675 |
$selector = ''; |
| 676 |
} |
| 677 |
|
| 678 |
$stylesheet = ''; |
| 679 |
foreach ( self::PRESETS_METADATA as $preset ) { |
| 680 |
$values = _wp_array_get( $settings, $preset['path'], array() ); |
| 681 |
foreach ( $values as $value ) { |
| 682 |
foreach ( $preset['classes'] as $class ) { |
| 683 |
$stylesheet .= self::to_ruleset( |
| 684 |
$selector . '.has-' . $value['slug'] . '-' . $class['class_suffix'], |
| 685 |
array( |
| 686 |
array( |
| 687 |
'name' => $class['property_name'], |
| 688 |
'value' => $value[ $preset['value_key'] ] . ' !important', |
| 689 |
), |
| 690 |
) |
| 691 |
); |
| 692 |
} |
| 693 |
} |
| 694 |
} |
| 695 |
|
| 696 |
return $stylesheet; |
| 697 |
} |
| 698 |
|
| 699 |
/** |
| 700 |
* Given the block settings, it extracts the CSS Custom Properties |
| 701 |
* for the presets and adds them to the $declarations array |
| 702 |
* following the format: |
| 703 |
* |
| 704 |
* ```php |
| 705 |
* array( |
| 706 |
* 'name' => 'property_name', |
| 707 |
* 'value' => 'property_value, |
| 708 |
* ) |
| 709 |
* ``` |
| 710 |
* |
| 711 |
* @param array $declarations Holds the existing declarations. |
| 712 |
* @param array $settings Settings to process. |
| 713 |
* |
| 714 |
* @return array Returns the modified $declarations. |
| 715 |
*/ |
| 716 |
private static function compute_preset_vars( $declarations, $settings ) { |
| 717 |
foreach ( self::PRESETS_METADATA as $preset ) { |
| 718 |
$values = _wp_array_get( $settings, $preset['path'], array() ); |
| 719 |
foreach ( $values as $value ) { |
| 720 |
$declarations[] = array( |
| 721 |
'name' => '--wp--preset--' . $preset['css_var_infix'] . '--' . $value['slug'], |
| 722 |
'value' => $value[ $preset['value_key'] ], |
| 723 |
); |
| 724 |
} |
| 725 |
} |
| 726 |
|
| 727 |
return $declarations; |
| 728 |
} |
| 729 |
|
| 730 |
/** |
| 731 |
* Given an array of settings, it extracts the CSS Custom Properties |
| 732 |
* for the custom values and adds them to the $declarations |
| 733 |
* array following the format: |
| 734 |
* |
| 735 |
* ```php |
| 736 |
* array( |
| 737 |
* 'name' => 'property_name', |
| 738 |
* 'value' => 'property_value, |
| 739 |
* ) |
| 740 |
* ``` |
| 741 |
* |
| 742 |
* @param array $declarations Holds the existing declarations. |
| 743 |
* @param array $settings Settings to process. |
| 744 |
* |
| 745 |
* @return array Returns the modified $declarations. |
| 746 |
*/ |
| 747 |
private static function compute_theme_vars( $declarations, $settings ) { |
| 748 |
$custom_values = _wp_array_get( $settings, array( 'custom' ), array() ); |
| 749 |
$css_vars = self::flatten_tree( $custom_values ); |
| 750 |
foreach ( $css_vars as $key => $value ) { |
| 751 |
$declarations[] = array( |
| 752 |
'name' => '--wp--custom--' . $key, |
| 753 |
'value' => $value, |
| 754 |
); |
| 755 |
} |
| 756 |
|
| 757 |
return $declarations; |
| 758 |
} |
| 759 |
|
| 760 |
/** |
| 761 |
* Given a selector and a declaration list, |
| 762 |
* creates the corresponding ruleset. |
| 763 |
* |
| 764 |
* To help debugging, will add some space |
| 765 |
* if SCRIPT_DEBUG is defined and true. |
| 766 |
* |
| 767 |
* @param string $selector CSS selector. |
| 768 |
* @param array $declarations List of declarations. |
| 769 |
* |
| 770 |
* @return string CSS ruleset. |
| 771 |
*/ |
| 772 |
private static function to_ruleset( $selector, $declarations ) { |
| 773 |
if ( empty( $declarations ) ) { |
| 774 |
return ''; |
| 775 |
} |
| 776 |
$ruleset = ''; |
| 777 |
|
| 778 |
if ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) { |
| 779 |
$declaration_block = array_reduce( |
| 780 |
$declarations, |
| 781 |
function ( $carry, $element ) { |
| 782 |
return $carry .= "\t" . $element['name'] . ': ' . $element['value'] . ";\n"; }, |
| 783 |
'' |
| 784 |
); |
| 785 |
$ruleset .= $selector . " {\n" . $declaration_block . "}\n"; |
| 786 |
} else { |
| 787 |
$declaration_block = array_reduce( |
| 788 |
$declarations, |
| 789 |
function ( $carry, $element ) { |
| 790 |
return $carry .= $element['name'] . ': ' . $element['value'] . ';'; }, |
| 791 |
'' |
| 792 |
); |
| 793 |
$ruleset .= $selector . '{' . $declaration_block . '}'; |
| 794 |
} |
| 795 |
|
| 796 |
return $ruleset; |
| 797 |
} |
| 798 |
|
| 799 |
/** |
| 800 |
* Converts each styles section into a list of rulesets |
| 801 |
* to be appended to the stylesheet. |
| 802 |
* These rulesets contain all the css variables (custom variables and preset variables). |
| 803 |
* |
| 804 |
* See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax |
| 805 |
* |
| 806 |
* For each section this creates a new ruleset such as: |
| 807 |
* |
| 808 |
* block-selector { |
| 809 |
* --wp--preset--category--slug: value; |
| 810 |
* --wp--custom--variable: value; |
| 811 |
* } |
| 812 |
* |
| 813 |
* @return string The new stylesheet. |
| 814 |
*/ |
| 815 |
private function get_css_variables() { |
| 816 |
$stylesheet = ''; |
| 817 |
if ( ! isset( $this->theme_json['settings'] ) ) { |
| 818 |
return $stylesheet; |
| 819 |
} |
| 820 |
|
| 821 |
$metadata = self::get_blocks_metadata(); |
| 822 |
foreach ( $this->theme_json['settings'] as $block_selector => $settings ) { |
| 823 |
if ( empty( $metadata[ $block_selector ]['selector'] ) ) { |
| 824 |
continue; |
| 825 |
} |
| 826 |
$selector = $metadata[ $block_selector ]['selector']; |
| 827 |
|
| 828 |
$declarations = self::compute_preset_vars( array(), $settings ); |
| 829 |
$declarations = self::compute_theme_vars( $declarations, $settings ); |
| 830 |
|
| 831 |
// Attach the ruleset for style and custom properties. |
| 832 |
$stylesheet .= self::to_ruleset( $selector, $declarations ); |
| 833 |
} |
| 834 |
return $stylesheet; |
| 835 |
} |
| 836 |
|
| 837 |
/** |
| 838 |
* Converts each style section into a list of rulesets |
| 839 |
* containing the block styles to be appended to the stylesheet. |
| 840 |
* |
| 841 |
* See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax |
| 842 |
* |
| 843 |
* For each section this creates a new ruleset such as: |
| 844 |
* |
| 845 |
* block-selector { |
| 846 |
* style-property-one: value; |
| 847 |
* } |
| 848 |
* |
| 849 |
* Additionally, it'll also create new rulesets |
| 850 |
* as classes for each preset value such as: |
| 851 |
* |
| 852 |
* .has-value-color { |
| 853 |
* color: value; |
| 854 |
* } |
| 855 |
* |
| 856 |
* .has-value-background-color { |
| 857 |
* background-color: value; |
| 858 |
* } |
| 859 |
* |
| 860 |
* .has-value-font-size { |
| 861 |
* font-size: value; |
| 862 |
* } |
| 863 |
* |
| 864 |
* .has-value-gradient-background { |
| 865 |
* background: value; |
| 866 |
* } |
| 867 |
* |
| 868 |
* p.has-value-gradient-background { |
| 869 |
* background: value; |
| 870 |
* } |
| 871 |
* |
| 872 |
* @return string The new stylesheet. |
| 873 |
*/ |
| 874 |
private function get_block_styles() { |
| 875 |
$stylesheet = ''; |
| 876 |
if ( ! isset( $this->theme_json['styles'] ) && ! isset( $this->theme_json['settings'] ) ) { |
| 877 |
return $stylesheet; |
| 878 |
} |
| 879 |
|
| 880 |
$metadata = self::get_blocks_metadata(); |
| 881 |
$block_rules = ''; |
| 882 |
$preset_rules = ''; |
| 883 |
foreach ( $metadata as $block_selector => $metadata ) { |
| 884 |
if ( empty( $metadata['selector'] ) ) { |
| 885 |
continue; |
| 886 |
} |
| 887 |
|
| 888 |
$selector = $metadata['selector']; |
| 889 |
|
| 890 |
$declarations = array(); |
| 891 |
if ( isset( $this->theme_json['styles'][ $block_selector ] ) ) { |
| 892 |
$declarations = self::compute_style_properties( |
| 893 |
$declarations, |
| 894 |
$this->theme_json['styles'][ $block_selector ] |
| 895 |
); |
| 896 |
} |
| 897 |
|
| 898 |
$block_rules .= self::to_ruleset( $selector, $declarations ); |
| 899 |
|
| 900 |
// Attach the rulesets for the classes. |
| 901 |
if ( isset( $this->theme_json['settings'][ $block_selector ] ) ) { |
| 902 |
$preset_rules .= self::compute_preset_classes( |
| 903 |
$this->theme_json['settings'][ $block_selector ], |
| 904 |
$selector |
| 905 |
); |
| 906 |
} |
| 907 |
} |
| 908 |
|
| 909 |
return $block_rules . $preset_rules; |
| 910 |
} |
| 911 |
|
| 912 |
/** |
| 913 |
* Returns the existing settings for each block. |
| 914 |
* |
| 915 |
* Example: |
| 916 |
* |
| 917 |
* { |
| 918 |
* 'root': { |
| 919 |
* 'color': { |
| 920 |
* 'custom': true |
| 921 |
* } |
| 922 |
* }, |
| 923 |
* 'core/paragraph': { |
| 924 |
* 'spacing': { |
| 925 |
* 'customPadding': true |
| 926 |
* } |
| 927 |
* } |
| 928 |
* } |
| 929 |
* |
| 930 |
* @return array Settings per block. |
| 931 |
*/ |
| 932 |
public function get_settings() { |
| 933 |
if ( ! isset( $this->theme_json['settings'] ) ) { |
| 934 |
return array(); |
| 935 |
} else { |
| 936 |
return $this->theme_json['settings']; |
| 937 |
} |
| 938 |
} |
| 939 |
|
| 940 |
/** |
| 941 |
* Returns the page templates of the current theme. |
| 942 |
* |
| 943 |
* @return array |
| 944 |
*/ |
| 945 |
public function get_custom_templates() { |
| 946 |
$custom_templates = array(); |
| 947 |
if ( ! isset( $this->theme_json['customTemplates'] ) ) { |
| 948 |
return $custom_templates; |
| 949 |
} |
| 950 |
|
| 951 |
foreach ( $this->theme_json['customTemplates'] as $item ) { |
| 952 |
if ( isset( $item['name'] ) ) { |
| 953 |
$custom_templates[ $item['name'] ] = array( |
| 954 |
'title' => isset( $item['title'] ) ? $item['title'] : '', |
| 955 |
'postTypes' => isset( $item['postTypes'] ) ? $item['postTypes'] : array( 'page' ), |
| 956 |
); |
| 957 |
} |
| 958 |
} |
| 959 |
return $custom_templates; |
| 960 |
} |
| 961 |
|
| 962 |
/** |
| 963 |
* Returns the template part data of current theme. |
| 964 |
* |
| 965 |
* @return array |
| 966 |
*/ |
| 967 |
public function get_template_parts() { |
| 968 |
$template_parts = array(); |
| 969 |
if ( ! isset( $this->theme_json['templateParts'] ) ) { |
| 970 |
return $template_parts; |
| 971 |
} |
| 972 |
|
| 973 |
foreach ( $this->theme_json['templateParts'] as $item ) { |
| 974 |
if ( isset( $item['name'] ) ) { |
| 975 |
$template_parts[ $item['name'] ] = array( |
| 976 |
'area' => isset( $item['area'] ) ? $item['area'] : '', |
| 977 |
); |
| 978 |
} |
| 979 |
} |
| 980 |
return $template_parts; |
| 981 |
} |
| 982 |
|
| 983 |
/** |
| 984 |
* Returns the stylesheet that results of processing |
| 985 |
* the theme.json structure this object represents. |
| 986 |
* |
| 987 |
* @param string $type Type of stylesheet we want accepts 'all', 'block_styles', and 'css_variables'. |
| 988 |
* @return string Stylesheet. |
| 989 |
*/ |
| 990 |
public function get_stylesheet( $type = 'all' ) { |
| 991 |
switch ( $type ) { |
| 992 |
case 'block_styles': |
| 993 |
return $this->get_block_styles(); |
| 994 |
case 'css_variables': |
| 995 |
return $this->get_css_variables(); |
| 996 |
default: |
| 997 |
return $this->get_css_variables() . $this->get_block_styles(); |
| 998 |
} |
| 999 |
} |
| 1000 |
|
| 1001 |
/** |
| 1002 |
* Merge new incoming data. |
| 1003 |
* |
| 1004 |
* @param WP_Theme_JSON $incoming Data to merge. |
| 1005 |
*/ |
| 1006 |
public function merge( $incoming ) { |
| 1007 |
$incoming_data = $incoming->get_raw_data(); |
| 1008 |
$this->theme_json = array_replace_recursive( $this->theme_json, $incoming_data ); |
| 1009 |
|
| 1010 |
// The array_replace_recursive algorithm merges at the leaf level. |
| 1011 |
// This means that when a leaf value is an array, |
| 1012 |
// the incoming array won't replace the existing, |
| 1013 |
// but the numeric indexes are used for replacement. |
| 1014 |
// |
| 1015 |
// These are the cases that have array values at the leaf levels. |
| 1016 |
$block_metadata = self::get_blocks_metadata(); |
| 1017 |
foreach ( $block_metadata as $block_selector => $meta ) { |
| 1018 |
// Color presets: palette & gradients. |
| 1019 |
if ( isset( $incoming_data['settings'][ $block_selector ]['color']['palette'] ) ) { |
| 1020 |
$this->theme_json['settings'][ $block_selector ]['color']['palette'] = $incoming_data['settings'][ $block_selector ]['color']['palette']; |
| 1021 |
} |
| 1022 |
if ( isset( $incoming_data['settings'][ $block_selector ]['color']['gradients'] ) ) { |
| 1023 |
$this->theme_json['settings'][ $block_selector ]['color']['gradients'] = $incoming_data['settings'][ $block_selector ]['color']['gradients']; |
| 1024 |
} |
| 1025 |
// Spacing: units. |
| 1026 |
if ( isset( $incoming_data['settings'][ $block_selector ]['spacing']['units'] ) ) { |
| 1027 |
$this->theme_json['settings'][ $block_selector ]['spacing']['units'] = $incoming_data['settings'][ $block_selector ]['spacing']['units']; |
| 1028 |
} |
| 1029 |
// Typography presets: fontSizes & fontFamilies. |
| 1030 |
if ( isset( $incoming_data['settings'][ $block_selector ]['typography']['fontSizes'] ) ) { |
| 1031 |
$this->theme_json['settings'][ $block_selector ]['typography']['fontSizes'] = $incoming_data['settings'][ $block_selector ]['typography']['fontSizes']; |
| 1032 |
} |
| 1033 |
if ( isset( $incoming_data['settings'][ $block_selector ]['typography']['fontFamilies'] ) ) { |
| 1034 |
$this->theme_json['settings'][ $block_selector ]['typography']['fontFamilies'] = $incoming_data['settings'][ $block_selector ]['typography']['fontFamilies']; |
| 1035 |
} |
| 1036 |
// Custom section. |
| 1037 |
if ( isset( $incoming_data['settings'][ $block_selector ]['custom'] ) ) { |
| 1038 |
$this->theme_json['settings'][ $block_selector ]['custom'] = $incoming_data['settings'][ $block_selector ]['custom']; |
| 1039 |
} |
| 1040 |
} |
| 1041 |
} |
| 1042 |
|
| 1043 |
/** |
| 1044 |
* Removes insecure data from theme.json. |
| 1045 |
*/ |
| 1046 |
public function remove_insecure_properties() { |
| 1047 |
$blocks_metadata = self::get_blocks_metadata(); |
| 1048 |
foreach ( $blocks_metadata as $block_selector => $metadata ) { |
| 1049 |
$escaped_settings = array(); |
| 1050 |
$escaped_styles = array(); |
| 1051 |
|
| 1052 |
// Style escaping. |
| 1053 |
if ( isset( $this->theme_json['styles'][ $block_selector ] ) ) { |
| 1054 |
$declarations = self::compute_style_properties( array(), $this->theme_json['styles'][ $block_selector ] ); |
| 1055 |
foreach ( $declarations as $declaration ) { |
| 1056 |
$style_to_validate = $declaration['name'] . ': ' . $declaration['value']; |
| 1057 |
if ( esc_html( safecss_filter_attr( $style_to_validate ) ) === $style_to_validate ) { |
| 1058 |
$property = self::to_property( $declaration['name'] ); |
| 1059 |
$path = self::PROPERTIES_METADATA[ $property ]['value']; |
| 1060 |
if ( self::has_properties( self::PROPERTIES_METADATA[ $property ] ) ) { |
| 1061 |
$declaration_divided = explode( '-', $declaration['name'] ); |
| 1062 |
$path[] = $declaration_divided[1]; |
| 1063 |
} |
| 1064 |
gutenberg_experimental_set( |
| 1065 |
$escaped_styles, |
| 1066 |
$path, |
| 1067 |
_wp_array_get( $this->theme_json['styles'][ $block_selector ], $path, array() ) |
| 1068 |
); |
| 1069 |
} |
| 1070 |
} |
| 1071 |
} |
| 1072 |
|
| 1073 |
// Settings escaping. |
| 1074 |
// For now the ony allowed settings are presets. |
| 1075 |
if ( isset( $this->theme_json['settings'][ $block_selector ] ) ) { |
| 1076 |
foreach ( self::PRESETS_METADATA as $preset_metadata ) { |
| 1077 |
$current_preset = _wp_array_get( |
| 1078 |
$this->theme_json['settings'][ $block_selector ], |
| 1079 |
$preset_metadata['path'], |
| 1080 |
null |
| 1081 |
); |
| 1082 |
if ( null !== $current_preset ) { |
| 1083 |
$escaped_preset = array(); |
| 1084 |
foreach ( $current_preset as $single_preset ) { |
| 1085 |
if ( |
| 1086 |
esc_attr( esc_html( $single_preset['name'] ) ) === $single_preset['name'] && |
| 1087 |
sanitize_html_class( $single_preset['slug'] ) === $single_preset['slug'] |
| 1088 |
) { |
| 1089 |
$value = $single_preset[ $preset_metadata['value_key'] ]; |
| 1090 |
$single_preset_is_valid = null; |
| 1091 |
if ( isset( $preset_metadata['classes'] ) && count( $preset_metadata['classes'] ) > 0 ) { |
| 1092 |
$single_preset_is_valid = true; |
| 1093 |
foreach ( $preset_metadata['classes'] as $class_meta_data ) { |
| 1094 |
$property = $class_meta_data['property_name']; |
| 1095 |
$style_to_validate = $property . ': ' . $value; |
| 1096 |
if ( esc_html( safecss_filter_attr( $style_to_validate ) ) !== $style_to_validate ) { |
| 1097 |
$single_preset_is_valid = false; |
| 1098 |
break; |
| 1099 |
} |
| 1100 |
} |
| 1101 |
} else { |
| 1102 |
$property = $preset_metadata['css_var_infix']; |
| 1103 |
$style_to_validate = $property . ': ' . $value; |
| 1104 |
$single_preset_is_valid = esc_html( safecss_filter_attr( $style_to_validate ) ) === $style_to_validate; |
| 1105 |
} |
| 1106 |
if ( $single_preset_is_valid ) { |
| 1107 |
$escaped_preset[] = $single_preset; |
| 1108 |
} |
| 1109 |
} |
| 1110 |
} |
| 1111 |
if ( ! empty( $escaped_preset ) ) { |
| 1112 |
gutenberg_experimental_set( $escaped_settings, $preset_metadata['path'], $escaped_preset ); |
| 1113 |
} |
| 1114 |
} |
| 1115 |
} |
| 1116 |
} |
| 1117 |
|
| 1118 |
if ( empty( $escaped_settings ) ) { |
| 1119 |
unset( $this->theme_json['settings'][ $block_selector ] ); |
| 1120 |
} else { |
| 1121 |
$this->theme_json['settings'][ $block_selector ] = $escaped_settings; |
| 1122 |
} |
| 1123 |
|
| 1124 |
if ( empty( $escaped_styles ) ) { |
| 1125 |
unset( $this->theme_json['styles'][ $block_selector ] ); |
| 1126 |
} else { |
| 1127 |
$this->theme_json['styles'][ $block_selector ] = $escaped_styles; |
| 1128 |
} |
| 1129 |
} |
| 1130 |
} |
| 1131 |
|
| 1132 |
/** |
| 1133 |
* Returns the raw data. |
| 1134 |
* |
| 1135 |
* @return array Raw data. |
| 1136 |
*/ |
| 1137 |
public function get_raw_data() { |
| 1138 |
return $this->theme_json; |
| 1139 |
} |
| 1140 |
|
| 1141 |
} |
| 1142 |
|
