1238 lines
33 KiB
PHP
1238 lines
33 KiB
PHP
<?php
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/**
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* WP_Theme_JSON class
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*
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* @package WordPress
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* @subpackage Theme
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* @since 5.8.0
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*/
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/**
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* Class that encapsulates the processing of structures that adhere to the theme.json spec.
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*
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* @access private
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*/
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class WP_Theme_JSON {
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/**
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* Container of data in theme.json format.
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*
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* @since 5.8.0
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* @var array
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*/
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private $theme_json = null;
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/**
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* Holds block metadata extracted from block.json
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* to be shared among all instances so we don't
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* process it twice.
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*
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* @since 5.8.0
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* @var array
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*/
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private static $blocks_metadata = null;
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/**
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* The CSS selector for the top-level styles.
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*
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* @since 5.8.0
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* @var string
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*/
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const ROOT_BLOCK_SELECTOR = 'body';
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/**
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* The sources of data this object can represent.
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*
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* @since 5.8.0
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* @var array
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*/
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const VALID_ORIGINS = array(
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'core',
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'theme',
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'user',
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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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* @since 5.8.0
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* @var array
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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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);
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/**
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* Metadata for style properties.
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*
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* Each property declares:
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*
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* - 'value': path to the value in theme.json and block attributes.
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*
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* @since 5.8.0
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* @var array
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*/
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const PROPERTIES_METADATA = array(
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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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'color' => array(
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'value' => array( 'color', 'text' ),
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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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'line-height' => array(
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'value' => array( 'typography', 'lineHeight' ),
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),
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'margin' => array(
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'value' => array( 'spacing', 'margin' ),
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'properties' => array( 'top', 'right', 'bottom', 'left' ),
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),
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'padding' => array(
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'value' => array( 'spacing', 'padding' ),
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'properties' => array( 'top', 'right', 'bottom', 'left' ),
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),
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);
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/**
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* @since 5.8.0
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* @var array
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*/
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const ALLOWED_TOP_LEVEL_KEYS = array(
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'settings',
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'styles',
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'version',
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);
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/**
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* @since 5.8.0
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* @var array
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*/
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const ALLOWED_SETTINGS = array(
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'border' => array(
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'customRadius' => null,
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),
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'color' => array(
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'custom' => null,
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'customDuotone' => null,
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'customGradient' => null,
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'duotone' => null,
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'gradients' => null,
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'link' => null,
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'palette' => null,
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),
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'custom' => null,
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'layout' => array(
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'contentSize' => null,
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'wideSize' => null,
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),
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'spacing' => array(
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'customMargin' => null,
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'customPadding' => null,
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'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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'fontSizes' => null,
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),
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);
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/**
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* @since 5.8.0
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* @var array
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*/
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const ALLOWED_STYLES = array(
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'border' => array(
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'radius' => null,
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),
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'color' => array(
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'background' => null,
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'gradient' => null,
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'text' => null,
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),
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'spacing' => array(
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'margin' => array(
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'top' => null,
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'right' => null,
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'bottom' => null,
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'left' => null,
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),
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'padding' => array(
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'bottom' => null,
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'left' => null,
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'right' => null,
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'top' => null,
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),
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),
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'typography' => array(
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'fontSize' => null,
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'lineHeight' => null,
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),
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);
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/**
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* @since 5.8.0
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* @var array
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*/
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const ELEMENTS = array(
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'link' => 'a',
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'h1' => 'h1',
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'h2' => 'h2',
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'h3' => 'h3',
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'h4' => 'h4',
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'h5' => 'h5',
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'h6' => 'h6',
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);
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/**
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* @since 5.8.0
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* @var int
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*/
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const LATEST_SCHEMA = 1;
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/**
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* Constructor.
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*
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* @since 5.8.0
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*
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* @param array $theme_json A structure that follows the theme.json schema.
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* @param string $origin Optional. What source of data this object represents.
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* One of 'core', 'theme', or 'user'. Default 'theme'.
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*/
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public function __construct( $theme_json = array(), $origin = 'theme' ) {
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if ( ! in_array( $origin, self::VALID_ORIGINS, true ) ) {
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$origin = 'theme';
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}
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if ( ! isset( $theme_json['version'] ) || self::LATEST_SCHEMA !== $theme_json['version'] ) {
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$this->theme_json = array();
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return;
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}
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$this->theme_json = self::sanitize( $theme_json );
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// Internally, presets are keyed by origin.
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$nodes = self::get_setting_nodes( $this->theme_json );
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foreach ( $nodes as $node ) {
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foreach ( self::PRESETS_METADATA as $preset ) {
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$path = array_merge( $node['path'], $preset['path'] );
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$preset = _wp_array_get( $this->theme_json, $path, null );
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if ( null !== $preset ) {
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_wp_array_set( $this->theme_json, $path, array( $origin => $preset ) );
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}
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}
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}
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}
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/**
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* Sanitizes the input according to the schemas.
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*
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* @since 5.8.0
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*
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* @param array $input Structure to sanitize.
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* @return array The sanitized output.
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*/
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private static function sanitize( $input ) {
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$output = array();
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if ( ! is_array( $input ) ) {
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return $output;
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}
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$allowed_top_level_keys = self::ALLOWED_TOP_LEVEL_KEYS;
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$allowed_settings = self::ALLOWED_SETTINGS;
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$allowed_styles = self::ALLOWED_STYLES;
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$allowed_blocks = array_keys( self::get_blocks_metadata() );
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$allowed_elements = array_keys( self::ELEMENTS );
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$output = array_intersect_key( $input, array_flip( $allowed_top_level_keys ) );
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// Build the schema.
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$schema = array();
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$schema_styles_elements = array();
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foreach ( $allowed_elements as $element ) {
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$schema_styles_elements[ $element ] = $allowed_styles;
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}
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$schema_styles_blocks = array();
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$schema_settings_blocks = array();
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foreach ( $allowed_blocks as $block ) {
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$schema_settings_blocks[ $block ] = $allowed_settings;
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$schema_styles_blocks[ $block ] = $allowed_styles;
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$schema_styles_blocks[ $block ]['elements'] = $schema_styles_elements;
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}
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$schema['styles'] = $allowed_styles;
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$schema['styles']['blocks'] = $schema_styles_blocks;
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$schema['styles']['elements'] = $schema_styles_elements;
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$schema['settings'] = $allowed_settings;
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$schema['settings']['blocks'] = $schema_settings_blocks;
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// Remove anything that's not present in the schema.
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foreach ( array( 'styles', 'settings' ) as $subtree ) {
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if ( ! isset( $input[ $subtree ] ) ) {
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continue;
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}
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if ( ! is_array( $input[ $subtree ] ) ) {
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unset( $output[ $subtree ] );
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continue;
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}
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$result = self::remove_keys_not_in_schema( $input[ $subtree ], $schema[ $subtree ] );
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if ( empty( $result ) ) {
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unset( $output[ $subtree ] );
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} else {
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$output[ $subtree ] = $result;
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}
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}
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return $output;
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}
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/**
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* Returns the metadata for each block.
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*
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* Example:
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*
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* {
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* 'core/paragraph': {
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* 'selector': 'p',
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* 'elements': {
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* 'link' => 'link selector',
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* 'etc' => 'element selector'
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* }
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* },
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* 'core/heading': {
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* 'selector': 'h1',
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* 'elements': {}
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* }
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* 'core/group': {
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* 'selector': '.wp-block-group',
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* 'elements': {}
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* }
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* }
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*
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* @since 5.8.0
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*
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* @return array Block metadata.
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*/
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private static function get_blocks_metadata() {
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if ( null !== self::$blocks_metadata ) {
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return self::$blocks_metadata;
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}
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self::$blocks_metadata = array();
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$registry = WP_Block_Type_Registry::get_instance();
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$blocks = $registry->get_all_registered();
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foreach ( $blocks as $block_name => $block_type ) {
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if (
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isset( $block_type->supports['__experimentalSelector'] ) &&
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is_string( $block_type->supports['__experimentalSelector'] )
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) {
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self::$blocks_metadata[ $block_name ]['selector'] = $block_type->supports['__experimentalSelector'];
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} else {
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self::$blocks_metadata[ $block_name ]['selector'] = '.wp-block-' . str_replace( '/', '-', str_replace( 'core/', '', $block_name ) );
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}
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/*
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* Assign defaults, then overwrite those that the block sets by itself.
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* If the block selector is compounded, will append the element to each
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* individual block selector.
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*/
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$block_selectors = explode( ',', self::$blocks_metadata[ $block_name ]['selector'] );
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foreach ( self::ELEMENTS as $el_name => $el_selector ) {
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$element_selector = array();
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foreach ( $block_selectors as $selector ) {
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$element_selector[] = $selector . ' ' . $el_selector;
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}
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self::$blocks_metadata[ $block_name ]['elements'][ $el_name ] = implode( ',', $element_selector );
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}
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}
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return self::$blocks_metadata;
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}
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/**
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* Given a tree, removes the keys that are not present in the schema.
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*
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* It is recursive and modifies the input in-place.
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*
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* @since 5.8.0
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*
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* @param array $tree Input to process.
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* @param array $schema Schema to adhere to.
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* @return array Returns the modified $tree.
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*/
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private static function remove_keys_not_in_schema( $tree, $schema ) {
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$tree = array_intersect_key( $tree, $schema );
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foreach ( $schema as $key => $data ) {
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if ( ! isset( $tree[ $key ] ) ) {
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continue;
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}
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if ( is_array( $schema[ $key ] ) && is_array( $tree[ $key ] ) ) {
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$tree[ $key ] = self::remove_keys_not_in_schema( $tree[ $key ], $schema[ $key ] );
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if ( empty( $tree[ $key ] ) ) {
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unset( $tree[ $key ] );
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}
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} elseif ( is_array( $schema[ $key ] ) && ! is_array( $tree[ $key ] ) ) {
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unset( $tree[ $key ] );
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}
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}
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return $tree;
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}
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/**
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* Returns the existing settings for each block.
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*
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* Example:
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*
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* {
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* 'root': {
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* 'color': {
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* 'custom': true
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* }
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* },
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* 'core/paragraph': {
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* 'spacing': {
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* 'customPadding': true
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* }
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* }
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* }
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*
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* @since 5.8.0
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*
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* @return array Settings per block.
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*/
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public function get_settings() {
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if ( ! isset( $this->theme_json['settings'] ) ) {
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return array();
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} else {
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return $this->theme_json['settings'];
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}
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}
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|
|
/**
|
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* Returns the stylesheet that results of processing
|
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* the theme.json structure this object represents.
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*
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* @since 5.8.0
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|
*
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* @param string $type Optional. Type of stylesheet we want. Accepts 'all',
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* 'block_styles', and 'css_variables'. Default 'all'.
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* @return string Stylesheet.
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*/
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public function get_stylesheet( $type = 'all' ) {
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$blocks_metadata = self::get_blocks_metadata();
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$style_nodes = self::get_style_nodes( $this->theme_json, $blocks_metadata );
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$setting_nodes = self::get_setting_nodes( $this->theme_json, $blocks_metadata );
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switch ( $type ) {
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case 'block_styles':
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return $this->get_block_styles( $style_nodes, $setting_nodes );
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case 'css_variables':
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return $this->get_css_variables( $setting_nodes );
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default:
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return $this->get_css_variables( $setting_nodes ) . $this->get_block_styles( $style_nodes, $setting_nodes );
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}
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}
|
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|
|
/**
|
|
* Converts each style section into a list of rulesets
|
|
* containing the block styles to be appended to the stylesheet.
|
|
*
|
|
* See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax
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|
*
|
|
* For each section this creates a new ruleset such as:
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*
|
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* block-selector {
|
|
* style-property-one: value;
|
|
* }
|
|
*
|
|
* Additionally, it'll also create new rulesets
|
|
* as classes for each preset value such as:
|
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*
|
|
* .has-value-color {
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* color: value;
|
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* }
|
|
*
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* .has-value-background-color {
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* background-color: value;
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* }
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*
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* .has-value-font-size {
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* font-size: value;
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* }
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*
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* .has-value-gradient-background {
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* background: value;
|
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* }
|
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*
|
|
* p.has-value-gradient-background {
|
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* background: value;
|
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* }
|
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*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $style_nodes Nodes with styles.
|
|
* @param array $setting_nodes Nodes with settings.
|
|
* @return string The new stylesheet.
|
|
*/
|
|
private function get_block_styles( $style_nodes, $setting_nodes ) {
|
|
$block_rules = '';
|
|
foreach ( $style_nodes as $metadata ) {
|
|
if ( null === $metadata['selector'] ) {
|
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continue;
|
|
}
|
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|
|
$node = _wp_array_get( $this->theme_json, $metadata['path'], array() );
|
|
$selector = $metadata['selector'];
|
|
$declarations = self::compute_style_properties( $node );
|
|
$block_rules .= self::to_ruleset( $selector, $declarations );
|
|
}
|
|
|
|
$preset_rules = '';
|
|
foreach ( $setting_nodes as $metadata ) {
|
|
if ( null === $metadata['selector'] ) {
|
|
continue;
|
|
}
|
|
|
|
$selector = $metadata['selector'];
|
|
$node = _wp_array_get( $this->theme_json, $metadata['path'], array() );
|
|
$preset_rules .= self::compute_preset_classes( $node, $selector );
|
|
}
|
|
|
|
return $block_rules . $preset_rules;
|
|
}
|
|
|
|
/**
|
|
* Converts each styles section into a list of rulesets
|
|
* to be appended to the stylesheet.
|
|
* These rulesets contain all the css variables (custom variables and preset variables).
|
|
*
|
|
* See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax
|
|
*
|
|
* For each section this creates a new ruleset such as:
|
|
*
|
|
* block-selector {
|
|
* --wp--preset--category--slug: value;
|
|
* --wp--custom--variable: value;
|
|
* }
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $nodes Nodes with settings.
|
|
* @return string The new stylesheet.
|
|
*/
|
|
private function get_css_variables( $nodes ) {
|
|
$stylesheet = '';
|
|
foreach ( $nodes as $metadata ) {
|
|
if ( null === $metadata['selector'] ) {
|
|
continue;
|
|
}
|
|
|
|
$selector = $metadata['selector'];
|
|
|
|
$node = _wp_array_get( $this->theme_json, $metadata['path'], array() );
|
|
$declarations = array_merge( self::compute_preset_vars( $node ), self::compute_theme_vars( $node ) );
|
|
|
|
$stylesheet .= self::to_ruleset( $selector, $declarations );
|
|
}
|
|
|
|
return $stylesheet;
|
|
}
|
|
|
|
/**
|
|
* Given a selector and a declaration list,
|
|
* creates the corresponding ruleset.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param string $selector CSS selector.
|
|
* @param array $declarations List of declarations.
|
|
* @return string CSS ruleset.
|
|
*/
|
|
private static function to_ruleset( $selector, $declarations ) {
|
|
if ( empty( $declarations ) ) {
|
|
return '';
|
|
}
|
|
|
|
$declaration_block = array_reduce(
|
|
$declarations,
|
|
function ( $carry, $element ) {
|
|
return $carry .= $element['name'] . ': ' . $element['value'] . ';'; },
|
|
''
|
|
);
|
|
|
|
return $selector . '{' . $declaration_block . '}';
|
|
}
|
|
|
|
/**
|
|
* Function that appends a sub-selector to a existing one.
|
|
*
|
|
* Given the compounded $selector "h1, h2, h3"
|
|
* and the $to_append selector ".some-class" the result will be
|
|
* "h1.some-class, h2.some-class, h3.some-class".
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param string $selector Original selector.
|
|
* @param string $to_append Selector to append.
|
|
* @return string
|
|
*/
|
|
private static function append_to_selector( $selector, $to_append ) {
|
|
$new_selectors = array();
|
|
$selectors = explode( ',', $selector );
|
|
foreach ( $selectors as $sel ) {
|
|
$new_selectors[] = $sel . $to_append;
|
|
}
|
|
|
|
return implode( ',', $new_selectors );
|
|
}
|
|
|
|
/**
|
|
* Given an array of presets keyed by origin and the value key of the preset,
|
|
* it returns an array where each key is the preset slug and each value the preset value.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $preset_per_origin Array of presets keyed by origin.
|
|
* @param string $value_key The property of the preset that contains its value.
|
|
* @return array Array of presets where each key is a slug and each value is the preset value.
|
|
*/
|
|
private static function get_merged_preset_by_slug( $preset_per_origin, $value_key ) {
|
|
$result = array();
|
|
foreach ( self::VALID_ORIGINS as $origin ) {
|
|
if ( ! isset( $preset_per_origin[ $origin ] ) ) {
|
|
continue;
|
|
}
|
|
foreach ( $preset_per_origin[ $origin ] as $preset ) {
|
|
/*
|
|
* We don't want to use kebabCase here,
|
|
* see https://github.com/WordPress/gutenberg/issues/32347
|
|
* However, we need to make sure the generated class or CSS variable
|
|
* doesn't contain spaces.
|
|
*/
|
|
$result[ preg_replace( '/\s+/', '-', $preset['slug'] ) ] = $preset[ $value_key ];
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Given a settings array, it returns the generated rulesets
|
|
* for the preset classes.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $settings Settings to process.
|
|
* @param string $selector Selector wrapping the classes.
|
|
* @return string The result of processing the presets.
|
|
*/
|
|
private static function compute_preset_classes( $settings, $selector ) {
|
|
if ( self::ROOT_BLOCK_SELECTOR === $selector ) {
|
|
// Classes at the global level do not need any CSS prefixed,
|
|
// and we don't want to increase its specificity.
|
|
$selector = '';
|
|
}
|
|
|
|
$stylesheet = '';
|
|
foreach ( self::PRESETS_METADATA as $preset ) {
|
|
$preset_per_origin = _wp_array_get( $settings, $preset['path'], array() );
|
|
$preset_by_slug = self::get_merged_preset_by_slug( $preset_per_origin, $preset['value_key'] );
|
|
foreach ( $preset['classes'] as $class ) {
|
|
foreach ( $preset_by_slug as $slug => $value ) {
|
|
$stylesheet .= self::to_ruleset(
|
|
self::append_to_selector( $selector, '.has-' . _wp_to_kebab_case( $slug ) . '-' . $class['class_suffix'] ),
|
|
array(
|
|
array(
|
|
'name' => $class['property_name'],
|
|
'value' => 'var(--wp--preset--' . $preset['css_var_infix'] . '--' . _wp_to_kebab_case( $slug ) . ') !important',
|
|
),
|
|
)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $stylesheet;
|
|
}
|
|
|
|
/**
|
|
* Given the block settings, it extracts the CSS Custom Properties
|
|
* for the presets and adds them to the $declarations array
|
|
* following the format:
|
|
*
|
|
* array(
|
|
* 'name' => 'property_name',
|
|
* 'value' => 'property_value,
|
|
* )
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $settings Settings to process.
|
|
* @return array Returns the modified $declarations.
|
|
*/
|
|
private static function compute_preset_vars( $settings ) {
|
|
$declarations = array();
|
|
foreach ( self::PRESETS_METADATA as $preset ) {
|
|
$preset_per_origin = _wp_array_get( $settings, $preset['path'], array() );
|
|
$preset_by_slug = self::get_merged_preset_by_slug( $preset_per_origin, $preset['value_key'] );
|
|
foreach ( $preset_by_slug as $slug => $value ) {
|
|
$declarations[] = array(
|
|
'name' => '--wp--preset--' . $preset['css_var_infix'] . '--' . _wp_to_kebab_case( $slug ),
|
|
'value' => $value,
|
|
);
|
|
}
|
|
}
|
|
|
|
return $declarations;
|
|
}
|
|
|
|
/**
|
|
* Given an array of settings, it extracts the CSS Custom Properties
|
|
* for the custom values and adds them to the $declarations
|
|
* array following the format:
|
|
*
|
|
* array(
|
|
* 'name' => 'property_name',
|
|
* 'value' => 'property_value,
|
|
* )
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $settings Settings to process.
|
|
* @return array Returns the modified $declarations.
|
|
*/
|
|
private static function compute_theme_vars( $settings ) {
|
|
$declarations = array();
|
|
$custom_values = _wp_array_get( $settings, array( 'custom' ), array() );
|
|
$css_vars = self::flatten_tree( $custom_values );
|
|
foreach ( $css_vars as $key => $value ) {
|
|
$declarations[] = array(
|
|
'name' => '--wp--custom--' . $key,
|
|
'value' => $value,
|
|
);
|
|
}
|
|
|
|
return $declarations;
|
|
}
|
|
|
|
/**
|
|
* Given a tree, it creates a flattened one
|
|
* by merging the keys and binding the leaf values
|
|
* to the new keys.
|
|
*
|
|
* It also transforms camelCase names into kebab-case
|
|
* and substitutes '/' by '-'.
|
|
*
|
|
* This is thought to be useful to generate
|
|
* CSS Custom Properties from a tree,
|
|
* although there's nothing in the implementation
|
|
* of this function that requires that format.
|
|
*
|
|
* For example, assuming the given prefix is '--wp'
|
|
* and the token is '--', for this input tree:
|
|
*
|
|
* {
|
|
* 'some/property': 'value',
|
|
* 'nestedProperty': {
|
|
* 'sub-property': 'value'
|
|
* }
|
|
* }
|
|
*
|
|
* it'll return this output:
|
|
*
|
|
* {
|
|
* '--wp--some-property': 'value',
|
|
* '--wp--nested-property--sub-property': 'value'
|
|
* }
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $tree Input tree to process.
|
|
* @param string $prefix Optional. Prefix to prepend to each variable. Default empty string.
|
|
* @param string $token Optional. Token to use between levels. Default '--'.
|
|
* @return array The flattened tree.
|
|
*/
|
|
private static function flatten_tree( $tree, $prefix = '', $token = '--' ) {
|
|
$result = array();
|
|
foreach ( $tree as $property => $value ) {
|
|
$new_key = $prefix . str_replace(
|
|
'/',
|
|
'-',
|
|
strtolower( preg_replace( '/(?<!^)[A-Z]/', '-$0', $property ) ) // CamelCase to kebab-case.
|
|
);
|
|
|
|
if ( is_array( $value ) ) {
|
|
$new_prefix = $new_key . $token;
|
|
$result = array_merge(
|
|
$result,
|
|
self::flatten_tree( $value, $new_prefix, $token )
|
|
);
|
|
} else {
|
|
$result[ $new_key ] = $value;
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Given a styles array, it extracts the style properties
|
|
* and adds them to the $declarations array following the format:
|
|
*
|
|
* array(
|
|
* 'name' => 'property_name',
|
|
* 'value' => 'property_value,
|
|
* )
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $styles Styles to process.
|
|
* @return array Returns the modified $declarations.
|
|
*/
|
|
private static function compute_style_properties( $styles ) {
|
|
$declarations = array();
|
|
if ( empty( $styles ) ) {
|
|
return $declarations;
|
|
}
|
|
|
|
$properties = array();
|
|
foreach ( self::PROPERTIES_METADATA as $name => $metadata ) {
|
|
/*
|
|
* Some properties can be shorthand properties, meaning that
|
|
* they contain multiple values instead of a single one.
|
|
* An example of this is the padding property.
|
|
*/
|
|
if ( self::has_properties( $metadata ) ) {
|
|
foreach ( $metadata['properties'] as $property ) {
|
|
$properties[] = array(
|
|
'name' => $name . '-' . $property,
|
|
'value' => array_merge( $metadata['value'], array( $property ) ),
|
|
);
|
|
}
|
|
} else {
|
|
$properties[] = array(
|
|
'name' => $name,
|
|
'value' => $metadata['value'],
|
|
);
|
|
}
|
|
}
|
|
|
|
foreach ( $properties as $prop ) {
|
|
$value = self::get_property_value( $styles, $prop['value'] );
|
|
if ( empty( $value ) ) {
|
|
continue;
|
|
}
|
|
|
|
$declarations[] = array(
|
|
'name' => $prop['name'],
|
|
'value' => $value,
|
|
);
|
|
}
|
|
|
|
return $declarations;
|
|
}
|
|
|
|
/**
|
|
* Whether the metadata contains a key named properties.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $metadata Description of the style property.
|
|
* @return bool True if properties exists, false otherwise.
|
|
*/
|
|
private static function has_properties( $metadata ) {
|
|
if ( array_key_exists( 'properties', $metadata ) ) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns the style property for the given path.
|
|
*
|
|
* It also converts CSS Custom Property stored as
|
|
* "var:preset|color|secondary" to the form
|
|
* "--wp--preset--color--secondary".
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $styles Styles subtree.
|
|
* @param array $path Which property to process.
|
|
* @return string Style property value.
|
|
*/
|
|
private static function get_property_value( $styles, $path ) {
|
|
$value = _wp_array_get( $styles, $path, '' );
|
|
|
|
if ( '' === $value ) {
|
|
return $value;
|
|
}
|
|
|
|
$prefix = 'var:';
|
|
$prefix_len = strlen( $prefix );
|
|
$token_in = '|';
|
|
$token_out = '--';
|
|
if ( 0 === strncmp( $value, $prefix, $prefix_len ) ) {
|
|
$unwrapped_name = str_replace(
|
|
$token_in,
|
|
$token_out,
|
|
substr( $value, $prefix_len )
|
|
);
|
|
$value = "var(--wp--$unwrapped_name)";
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Builds metadata for the setting nodes, which returns in the form of:
|
|
*
|
|
* [
|
|
* [
|
|
* 'path' => ['path', 'to', 'some', 'node' ],
|
|
* 'selector' => 'CSS selector for some node'
|
|
* ],
|
|
* [
|
|
* 'path' => [ 'path', 'to', 'other', 'node' ],
|
|
* 'selector' => 'CSS selector for other node'
|
|
* ],
|
|
* ]
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $theme_json The tree to extract setting nodes from.
|
|
* @param array $selectors List of selectors per block.
|
|
* @return array
|
|
*/
|
|
private static function get_setting_nodes( $theme_json, $selectors = array() ) {
|
|
$nodes = array();
|
|
if ( ! isset( $theme_json['settings'] ) ) {
|
|
return $nodes;
|
|
}
|
|
|
|
// Top-level.
|
|
$nodes[] = array(
|
|
'path' => array( 'settings' ),
|
|
'selector' => self::ROOT_BLOCK_SELECTOR,
|
|
);
|
|
|
|
// Calculate paths for blocks.
|
|
if ( ! isset( $theme_json['settings']['blocks'] ) ) {
|
|
return $nodes;
|
|
}
|
|
|
|
foreach ( $theme_json['settings']['blocks'] as $name => $node ) {
|
|
$selector = null;
|
|
if ( isset( $selectors[ $name ]['selector'] ) ) {
|
|
$selector = $selectors[ $name ]['selector'];
|
|
}
|
|
|
|
$nodes[] = array(
|
|
'path' => array( 'settings', 'blocks', $name ),
|
|
'selector' => $selector,
|
|
);
|
|
}
|
|
|
|
return $nodes;
|
|
}
|
|
|
|
|
|
/**
|
|
* Builds metadata for the style nodes, which returns in the form of:
|
|
*
|
|
* [
|
|
* [
|
|
* 'path' => [ 'path', 'to', 'some', 'node' ],
|
|
* 'selector' => 'CSS selector for some node'
|
|
* ],
|
|
* [
|
|
* 'path' => ['path', 'to', 'other', 'node' ],
|
|
* 'selector' => 'CSS selector for other node'
|
|
* ],
|
|
* ]
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $theme_json The tree to extract style nodes from.
|
|
* @param array $selectors List of selectors per block.
|
|
* @return array
|
|
*/
|
|
private static function get_style_nodes( $theme_json, $selectors = array() ) {
|
|
$nodes = array();
|
|
if ( ! isset( $theme_json['styles'] ) ) {
|
|
return $nodes;
|
|
}
|
|
|
|
// Top-level.
|
|
$nodes[] = array(
|
|
'path' => array( 'styles' ),
|
|
'selector' => self::ROOT_BLOCK_SELECTOR,
|
|
);
|
|
|
|
if ( isset( $theme_json['styles']['elements'] ) ) {
|
|
foreach ( $theme_json['styles']['elements'] as $element => $node ) {
|
|
$nodes[] = array(
|
|
'path' => array( 'styles', 'elements', $element ),
|
|
'selector' => self::ELEMENTS[ $element ],
|
|
);
|
|
}
|
|
}
|
|
|
|
// Blocks.
|
|
if ( ! isset( $theme_json['styles']['blocks'] ) ) {
|
|
return $nodes;
|
|
}
|
|
|
|
foreach ( $theme_json['styles']['blocks'] as $name => $node ) {
|
|
$selector = null;
|
|
if ( isset( $selectors[ $name ]['selector'] ) ) {
|
|
$selector = $selectors[ $name ]['selector'];
|
|
}
|
|
|
|
$nodes[] = array(
|
|
'path' => array( 'styles', 'blocks', $name ),
|
|
'selector' => $selector,
|
|
);
|
|
|
|
if ( isset( $theme_json['styles']['blocks'][ $name ]['elements'] ) ) {
|
|
foreach ( $theme_json['styles']['blocks'][ $name ]['elements'] as $element => $node ) {
|
|
$nodes[] = array(
|
|
'path' => array( 'styles', 'blocks', $name, 'elements', $element ),
|
|
'selector' => $selectors[ $name ]['elements'][ $element ],
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $nodes;
|
|
}
|
|
|
|
/**
|
|
* Merge new incoming data.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param WP_Theme_JSON $incoming Data to merge.
|
|
*/
|
|
public function merge( $incoming ) {
|
|
$incoming_data = $incoming->get_raw_data();
|
|
$this->theme_json = array_replace_recursive( $this->theme_json, $incoming_data );
|
|
|
|
/*
|
|
* The array_replace_recursive() algorithm merges at the leaf level.
|
|
* For leaf values that are arrays it will use the numeric indexes for replacement.
|
|
* In those cases, we want to replace the existing with the incoming value, if it exists.
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|
*/
|
|
$to_replace = array();
|
|
$to_replace[] = array( 'spacing', 'units' );
|
|
$to_replace[] = array( 'color', 'duotone' );
|
|
foreach ( self::VALID_ORIGINS as $origin ) {
|
|
$to_replace[] = array( 'color', 'palette', $origin );
|
|
$to_replace[] = array( 'color', 'gradients', $origin );
|
|
$to_replace[] = array( 'typography', 'fontSizes', $origin );
|
|
$to_replace[] = array( 'typography', 'fontFamilies', $origin );
|
|
}
|
|
|
|
$nodes = self::get_setting_nodes( $this->theme_json );
|
|
foreach ( $nodes as $metadata ) {
|
|
foreach ( $to_replace as $property_path ) {
|
|
$path = array_merge( $metadata['path'], $property_path );
|
|
$node = _wp_array_get( $incoming_data, $path, null );
|
|
if ( isset( $node ) ) {
|
|
_wp_array_set( $this->theme_json, $path, $node );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the raw data.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @return array Raw data.
|
|
*/
|
|
public function get_raw_data() {
|
|
return $this->theme_json;
|
|
}
|
|
|
|
/**
|
|
* Transforms the given editor settings according the
|
|
* add_theme_support format to the theme.json format.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $settings Existing editor settings.
|
|
* @return array Config that adheres to the theme.json schema.
|
|
*/
|
|
public static function get_from_editor_settings( $settings ) {
|
|
$theme_settings = array(
|
|
'version' => self::LATEST_SCHEMA,
|
|
'settings' => array(),
|
|
);
|
|
|
|
// Deprecated theme supports.
|
|
if ( isset( $settings['disableCustomColors'] ) ) {
|
|
if ( ! isset( $theme_settings['settings']['color'] ) ) {
|
|
$theme_settings['settings']['color'] = array();
|
|
}
|
|
$theme_settings['settings']['color']['custom'] = ! $settings['disableCustomColors'];
|
|
}
|
|
|
|
if ( isset( $settings['disableCustomGradients'] ) ) {
|
|
if ( ! isset( $theme_settings['settings']['color'] ) ) {
|
|
$theme_settings['settings']['color'] = array();
|
|
}
|
|
$theme_settings['settings']['color']['customGradient'] = ! $settings['disableCustomGradients'];
|
|
}
|
|
|
|
if ( isset( $settings['disableCustomFontSizes'] ) ) {
|
|
if ( ! isset( $theme_settings['settings']['typography'] ) ) {
|
|
$theme_settings['settings']['typography'] = array();
|
|
}
|
|
$theme_settings['settings']['typography']['customFontSize'] = ! $settings['disableCustomFontSizes'];
|
|
}
|
|
|
|
if ( isset( $settings['enableCustomLineHeight'] ) ) {
|
|
if ( ! isset( $theme_settings['settings']['typography'] ) ) {
|
|
$theme_settings['settings']['typography'] = array();
|
|
}
|
|
$theme_settings['settings']['typography']['customLineHeight'] = $settings['enableCustomLineHeight'];
|
|
}
|
|
|
|
if ( isset( $settings['enableCustomUnits'] ) ) {
|
|
if ( ! isset( $theme_settings['settings']['spacing'] ) ) {
|
|
$theme_settings['settings']['spacing'] = array();
|
|
}
|
|
$theme_settings['settings']['spacing']['units'] = ( true === $settings['enableCustomUnits'] ) ?
|
|
array( 'px', 'em', 'rem', 'vh', 'vw', '%' ) :
|
|
$settings['enableCustomUnits'];
|
|
}
|
|
|
|
if ( isset( $settings['colors'] ) ) {
|
|
if ( ! isset( $theme_settings['settings']['color'] ) ) {
|
|
$theme_settings['settings']['color'] = array();
|
|
}
|
|
$theme_settings['settings']['color']['palette'] = $settings['colors'];
|
|
}
|
|
|
|
if ( isset( $settings['gradients'] ) ) {
|
|
if ( ! isset( $theme_settings['settings']['color'] ) ) {
|
|
$theme_settings['settings']['color'] = array();
|
|
}
|
|
$theme_settings['settings']['color']['gradients'] = $settings['gradients'];
|
|
}
|
|
|
|
if ( isset( $settings['fontSizes'] ) ) {
|
|
$font_sizes = $settings['fontSizes'];
|
|
// Back-compatibility for presets without units.
|
|
foreach ( $font_sizes as $key => $font_size ) {
|
|
if ( is_numeric( $font_size['size'] ) ) {
|
|
$font_sizes[ $key ]['size'] = $font_size['size'] . 'px';
|
|
}
|
|
}
|
|
if ( ! isset( $theme_settings['settings']['typography'] ) ) {
|
|
$theme_settings['settings']['typography'] = array();
|
|
}
|
|
$theme_settings['settings']['typography']['fontSizes'] = $font_sizes;
|
|
}
|
|
|
|
if ( isset( $settings['enableCustomSpacing'] ) ) {
|
|
if ( ! isset( $theme_settings['settings']['spacing'] ) ) {
|
|
$theme_settings['settings']['spacing'] = array();
|
|
}
|
|
$theme_settings['settings']['spacing']['customPadding'] = $settings['enableCustomSpacing'];
|
|
}
|
|
|
|
// Things that didn't land in core yet, so didn't have a setting assigned.
|
|
if ( current( (array) get_theme_support( 'experimental-link-color' ) ) ) {
|
|
if ( ! isset( $theme_settings['settings']['color'] ) ) {
|
|
$theme_settings['settings']['color'] = array();
|
|
}
|
|
$theme_settings['settings']['color']['link'] = true;
|
|
}
|
|
|
|
return $theme_settings;
|
|
}
|
|
|
|
}
|