| 1 |
<?php |
| 2 |
/** |
| 3 |
* Block state support for frontend CSS generation. |
| 4 |
* |
| 5 |
* Generates scoped CSS for per-instance state styles declared in block attributes, |
| 6 |
* including pseudo-states (e.g., `style[':hover']`) and responsive states |
| 7 |
* (e.g., `style['@mobile']` and `style['@mobile'][':hover']`). |
| 8 |
* |
| 9 |
* @package WordPress |
| 10 |
*/ |
| 11 |
|
| 12 |
/** |
| 13 |
* Converts internal preset references to CSS custom property references. |
| 14 |
* |
| 15 |
* State styles are emitted as CSS rules and cannot rely on preset classnames. |
| 16 |
* Converting `var:preset|color|contrast` to |
| 17 |
* `var(--wp--preset--color--contrast)` ensures preset values are emitted as |
| 18 |
* declarations by the style engine. |
| 19 |
* |
| 20 |
* @param mixed $value Style value to normalize. |
| 21 |
* @return mixed Normalized style value. |
| 22 |
*/ |
| 23 |
function gutenberg_normalize_state_preset_vars( $value ) { |
| 24 |
if ( is_array( $value ) ) { |
| 25 |
foreach ( $value as $key => $nested_value ) { |
| 26 |
$value[ $key ] = gutenberg_normalize_state_preset_vars( $nested_value ); |
| 27 |
} |
| 28 |
return $value; |
| 29 |
} |
| 30 |
|
| 31 |
if ( ! is_string( $value ) || ! str_starts_with( $value, 'var:preset|' ) ) { |
| 32 |
return $value; |
| 33 |
} |
| 34 |
|
| 35 |
$parts = explode( '|', substr( $value, strlen( 'var:' ) ) ); |
| 36 |
|
| 37 |
/* |
| 38 |
* The slug is kebab-cased when the preset's custom property is generated, |
| 39 |
* so a reference has to be converted the same way or it points at a |
| 40 |
* property that does not exist (`--wp--preset--font-size--3xl` for a preset |
| 41 |
* generated as `--wp--preset--font-size--3-xl`). Mirrors |
| 42 |
* `WP_Theme_JSON_Gutenberg::convert_custom_properties()` and the JS style |
| 43 |
* engine's `getCSSValueFromRawStyle()`. |
| 44 |
*/ |
| 45 |
if ( 3 === count( $parts ) ) { |
| 46 |
$parts[2] = _wp_to_kebab_case( $parts[2] ); |
| 47 |
} |
| 48 |
|
| 49 |
return 'var(--wp--' . implode( '--', $parts ) . ')'; |
| 50 |
} |
| 51 |
|
| 52 |
/** |
| 53 |
* Normalizes a state style object before generating CSS declarations. |
| 54 |
* |
| 55 |
* @param array $style State style object. |
| 56 |
* @return array Normalized state style object. |
| 57 |
*/ |
| 58 |
function gutenberg_normalize_state_style_for_css_output( $style ) { |
| 59 |
// Layout is processed separately by gutenberg_render_layout_support_flag(), so we remove it before declaration generation. |
| 60 |
unset( $style['layout'] ); |
| 61 |
$style = gutenberg_normalize_state_preset_vars( $style ); |
| 62 |
return $style; |
| 63 |
} |
| 64 |
|
| 65 |
/** |
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* Adds fallback border-style declarations for visible border declarations. |
| 67 |
* |
| 68 |
* CSS does not render border color or width unless a border style is also set. |
| 69 |
* State styles are emitted as stylesheet rules rather than inline styles, so |
| 70 |
* they cannot rely on the block-library inline-style attribute fallback rules. |
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* |
| 72 |
* @param array $declarations CSS declarations generated by the style engine. |
| 73 |
* @return array CSS declarations with fallback border styles applied where needed. |
| 74 |
*/ |
| 75 |
function gutenberg_get_state_declarations_with_fallback_border_styles( $declarations ) { |
| 76 |
if ( ! is_array( $declarations ) ) { |
| 77 |
return $declarations; |
| 78 |
} |
| 79 |
|
| 80 |
$has_border_style = isset( $declarations['border-style'] ) && '' !== $declarations['border-style']; |
| 81 |
$has_border_color = isset( $declarations['border-color'] ) && '' !== $declarations['border-color']; |
| 82 |
$has_border_width = isset( $declarations['border-width'] ) && '' !== $declarations['border-width']; |
| 83 |
|
| 84 |
if ( ! $has_border_style && ( $has_border_color || $has_border_width ) ) { |
| 85 |
$declarations['border-style'] = 'solid'; |
| 86 |
} |
| 87 |
|
| 88 |
$sides = array( 'top', 'right', 'bottom', 'left' ); |
| 89 |
foreach ( $sides as $side ) { |
| 90 |
$side_style_property = "border-$side-style"; |
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$side_color_property = "border-$side-color"; |
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$side_width_property = "border-$side-width"; |
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|
| 94 |
$has_side_style = isset( $declarations[ $side_style_property ] ) && '' !== $declarations[ $side_style_property ]; |
| 95 |
$has_side_color = isset( $declarations[ $side_color_property ] ) && '' !== $declarations[ $side_color_property ]; |
| 96 |
$has_side_width = isset( $declarations[ $side_width_property ] ) && '' !== $declarations[ $side_width_property ]; |
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|
| 98 |
if ( ! $has_border_style && ! $has_side_style && ( $has_side_color || $has_side_width ) ) { |
| 99 |
$declarations[ $side_style_property ] = 'solid'; |
| 100 |
} |
| 101 |
} |
| 102 |
|
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return $declarations; |
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} |
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|
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/** |
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* Adds background reset declarations to prevent gradient/solid color conflicts. |
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* |
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* When a state sets a solid background-color, any gradient applied to the |
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* default state (via `background` shorthand or `background-image`) must be |
| 111 |
* explicitly cleared. Without this, the gradient image layer remains visible |
| 112 |
* on top of the solid hover color even when `!important` is used, because |
| 113 |
* `background-color` and `background-image` are separate CSS properties. |
| 114 |
* |
| 115 |
* @param array $declarations CSS declarations generated by the style engine. |
| 116 |
* @return array CSS declarations with background resets applied where needed. |
| 117 |
*/ |
| 118 |
function gutenberg_get_state_declarations_with_background_resets( $declarations ) { |
| 119 |
if ( ! is_array( $declarations ) ) { |
| 120 |
return $declarations; |
| 121 |
} |
| 122 |
|
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$has_background_color = isset( $declarations['background-color'] ) && '' !== $declarations['background-color']; |
| 124 |
$has_background = isset( $declarations['background'] ) && '' !== $declarations['background']; |
| 125 |
$has_background_image = isset( $declarations['background-image'] ) && '' !== $declarations['background-image']; |
| 126 |
|
| 127 |
/* |
| 128 |
* When the state sets a solid background-color but no gradient of its own, |
| 129 |
* emit `background-image: unset` to clear any gradient (whether stored as |
| 130 |
* the `background` shorthand or as `background-image`) that was applied to |
| 131 |
* the default / normal state via an inline style attribute. The declaration |
| 132 |
* is marked important when the state rule is registered with the style engine. |
| 133 |
*/ |
| 134 |
if ( $has_background_color && ! $has_background && ! $has_background_image ) { |
| 135 |
$declarations['background-image'] = 'unset'; |
| 136 |
} |
| 137 |
|
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return $declarations; |
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} |
| 140 |
|
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/** |
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* Adds fallback dimension styles for aspectRatio and height block-support values. |
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* |
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* @param array $state_style State style object. |
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* @return array State style object with fallback dimension styles applied where needed. |
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*/ |
| 147 |
function gutenberg_get_state_style_with_fallback_dimension_styles( $state_style ) { |
| 148 |
if ( ! is_array( $state_style ) ) { |
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return $state_style; |
| 150 |
} |
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|
| 152 |
$dimensions = isset( $state_style['dimensions'] ) && is_array( $state_style['dimensions'] ) |
| 153 |
? $state_style['dimensions'] |
| 154 |
: array(); |
| 155 |
|
| 156 |
if ( empty( $dimensions ) ) { |
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return $state_style; |
| 158 |
} |
| 159 |
|
| 160 |
if ( gutenberg_is_explicit_aspect_ratio_value( $dimensions['aspectRatio'] ?? null ) ) { |
| 161 |
return array_replace_recursive( |
| 162 |
$state_style, |
| 163 |
array( |
| 164 |
'dimensions' => array( |
| 165 |
'minHeight' => 'unset', |
| 166 |
'height' => 'unset', |
| 167 |
), |
| 168 |
) |
| 169 |
); |
| 170 |
} |
| 171 |
|
| 172 |
$has_min_height = isset( $dimensions['minHeight'] ) && ( is_string( $dimensions['minHeight'] ) || is_numeric( $dimensions['minHeight'] ) ) && '' !== trim( (string) $dimensions['minHeight'] ); |
| 173 |
$has_height = isset( $dimensions['height'] ) && ( is_string( $dimensions['height'] ) || is_numeric( $dimensions['height'] ) ) && '' !== trim( (string) $dimensions['height'] ); |
| 174 |
|
| 175 |
if ( $has_min_height || $has_height ) { |
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return array_replace_recursive( |
| 177 |
$state_style, |
| 178 |
array( |
| 179 |
'dimensions' => array( |
| 180 |
'aspectRatio' => 'unset', |
| 181 |
), |
| 182 |
) |
| 183 |
); |
| 184 |
} |
| 185 |
|
| 186 |
return $state_style; |
| 187 |
} |
| 188 |
|
| 189 |
/** |
| 190 |
* Adds a style fragment to a selector-keyed state style group. |
| 191 |
* |
| 192 |
* @param array $groups Selector-keyed style groups. |
| 193 |
* @param string|null $selector Block or feature selector. |
| 194 |
* @param array $style Style fragment. |
| 195 |
*/ |
| 196 |
function gutenberg_add_state_style_group( &$groups, $selector, $style ) { |
| 197 |
$key = is_string( $selector ) ? $selector : ''; |
| 198 |
|
| 199 |
if ( ! isset( $groups[ $key ] ) ) { |
| 200 |
$groups[ $key ] = array( |
| 201 |
'selector' => $selector, |
| 202 |
'style' => array(), |
| 203 |
); |
| 204 |
} |
| 205 |
|
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$groups[ $key ]['style'] = array_replace_recursive( $groups[ $key ]['style'], $style ); |
| 207 |
} |
| 208 |
|
| 209 |
/** |
| 210 |
* Splits a state style object into groups based on block feature selectors. |
| 211 |
* |
| 212 |
* @param array $state_style State style object. |
| 213 |
* @param array $block_selectors Block selectors metadata. |
| 214 |
* @return array[] Selector/style groups. |
| 215 |
*/ |
| 216 |
function gutenberg_get_state_style_groups( $state_style, $block_selectors ) { |
| 217 |
$groups = array(); |
| 218 |
|
| 219 |
foreach ( $state_style as $feature => $feature_styles ) { |
| 220 |
$feature_selectors = $block_selectors[ $feature ] ?? null; |
| 221 |
|
| 222 |
if ( is_string( $feature_selectors ) ) { |
| 223 |
gutenberg_add_state_style_group( |
| 224 |
$groups, |
| 225 |
$feature_selectors, |
| 226 |
array( $feature => $feature_styles ) |
| 227 |
); |
| 228 |
continue; |
| 229 |
} |
| 230 |
|
| 231 |
if ( is_array( $feature_selectors ) && is_array( $feature_styles ) ) { |
| 232 |
$remaining_styles = $feature_styles; |
| 233 |
|
| 234 |
foreach ( $feature_selectors as $subfeature => $subfeature_selector ) { |
| 235 |
if ( |
| 236 |
'root' === $subfeature || |
| 237 |
! is_string( $subfeature_selector ) || |
| 238 |
! array_key_exists( $subfeature, $feature_styles ) |
| 239 |
) { |
| 240 |
continue; |
| 241 |
} |
| 242 |
|
| 243 |
gutenberg_add_state_style_group( |
| 244 |
$groups, |
| 245 |
$subfeature_selector, |
| 246 |
array( |
| 247 |
$feature => array( |
| 248 |
$subfeature => $feature_styles[ $subfeature ], |
| 249 |
), |
| 250 |
) |
| 251 |
); |
| 252 |
unset( $remaining_styles[ $subfeature ] ); |
| 253 |
} |
| 254 |
|
| 255 |
if ( array() !== $remaining_styles ) { |
| 256 |
gutenberg_add_state_style_group( |
| 257 |
$groups, |
| 258 |
$feature_selectors['root'] ?? ( $block_selectors['root'] ?? null ), |
| 259 |
array( $feature => $remaining_styles ) |
| 260 |
); |
| 261 |
} |
| 262 |
continue; |
| 263 |
} |
| 264 |
|
| 265 |
gutenberg_add_state_style_group( |
| 266 |
$groups, |
| 267 |
$block_selectors['root'] ?? null, |
| 268 |
array( $feature => $feature_styles ) |
| 269 |
); |
| 270 |
} |
| 271 |
|
| 272 |
return array_values( $groups ); |
| 273 |
} |
| 274 |
|
| 275 |
/** |
| 276 |
* Returns a style object with nested state keys removed. |
| 277 |
* |
| 278 |
* @param array $state_style State style object. |
| 279 |
* @param array $nested_keys Keys to remove from the root style object. |
| 280 |
* @return array Root-only style object. |
| 281 |
*/ |
| 282 |
function gutenberg_get_root_state_style( $state_style, $nested_keys ) { |
| 283 |
if ( ! is_array( $state_style ) ) { |
| 284 |
return $state_style; |
| 285 |
} |
| 286 |
|
| 287 |
$root_style = $state_style; |
| 288 |
foreach ( $nested_keys as $key ) { |
| 289 |
unset( $root_style[ $key ] ); |
| 290 |
} |
| 291 |
|
| 292 |
return $root_style; |
| 293 |
} |
| 294 |
|
| 295 |
/** |
| 296 |
* Generates all element selectors for a block root selector. |
| 297 |
* |
| 298 |
* @param string $root_selector The block root CSS selector. |
| 299 |
* @return string[] Element selectors keyed by element name. |
| 300 |
*/ |
| 301 |
function gutenberg_get_block_state_element_selectors( $root_selector ) { |
| 302 |
if ( ! is_string( $root_selector ) || '' === trim( $root_selector ) ) { |
| 303 |
return array(); |
| 304 |
} |
| 305 |
|
| 306 |
$block_selectors = gutenberg_split_selector_list( $root_selector ); |
| 307 |
$element_selectors = array(); |
| 308 |
|
| 309 |
foreach ( WP_Theme_JSON_Gutenberg::ELEMENTS as $element_name => $element_selector ) { |
| 310 |
$selectors = array(); |
| 311 |
|
| 312 |
foreach ( $block_selectors as $block_selector ) { |
| 313 |
$block_selector = trim( $block_selector ); |
| 314 |
if ( '' === $block_selector ) { |
| 315 |
continue; |
| 316 |
} |
| 317 |
|
| 318 |
if ( $block_selector === $element_selector ) { |
| 319 |
$selectors = array( $element_selector ); |
| 320 |
break; |
| 321 |
} |
| 322 |
|
| 323 |
$selector_prefix = "$block_selector "; |
| 324 |
if ( ! str_contains( $element_selector, ',' ) ) { |
| 325 |
$selectors[] = $selector_prefix . $element_selector; |
| 326 |
continue; |
| 327 |
} |
| 328 |
|
| 329 |
$prepended_selectors = array(); |
| 330 |
foreach ( gutenberg_split_selector_list( $element_selector ) as $selector ) { |
| 331 |
$prepended_selectors[] = $selector_prefix . $selector; |
| 332 |
} |
| 333 |
$selectors[] = implode( ',', $prepended_selectors ); |
| 334 |
} |
| 335 |
|
| 336 |
if ( ! empty( $selectors ) ) { |
| 337 |
$element_selectors[ $element_name ] = implode( ',', $selectors ); |
| 338 |
} |
| 339 |
} |
| 340 |
|
| 341 |
return $element_selectors; |
| 342 |
} |
| 343 |
|
| 344 |
/** |
| 345 |
* Adds a compiled state style rule to a rule list. |
| 346 |
* |
| 347 |
* @param array $css_rules Style rules. |
| 348 |
* @param string $state Pseudo-state selector. |
| 349 |
* @param string|null $selector Block, feature, or element selector. |
| 350 |
* @param array $style Style object. |
| 351 |
* @param string|null $rules_group Optional CSS grouping rule, e.g. a media query. |
| 352 |
*/ |
| 353 |
function gutenberg_add_block_state_style_rule( &$css_rules, $state, $selector, $style, $rules_group = null ) { |
| 354 |
if ( empty( $style ) || ! is_array( $style ) ) { |
| 355 |
return; |
| 356 |
} |
| 357 |
|
| 358 |
$style = gutenberg_get_state_style_with_fallback_dimension_styles( $style ); |
| 359 |
|
| 360 |
$compiled = gutenberg_style_engine_get_styles( |
| 361 |
gutenberg_normalize_state_style_for_css_output( $style ) |
| 362 |
); |
| 363 |
$declarations = $compiled['declarations'] ?? array(); |
| 364 |
$text_align = $style['typography']['textAlign'] ?? null; |
| 365 |
// Base text alignment is class-based, so state styles need a declaration. |
| 366 |
if ( is_string( $text_align ) && '' !== trim( $text_align ) ) { |
| 367 |
$declarations['text-align'] = $text_align; |
| 368 |
} |
| 369 |
|
| 370 |
if ( empty( $declarations ) ) { |
| 371 |
return; |
| 372 |
} |
| 373 |
|
| 374 |
$css_rules[] = array( |
| 375 |
'state' => $state, |
| 376 |
'selector' => $selector, |
| 377 |
'declarations' => $declarations, |
| 378 |
); |
| 379 |
if ( ! empty( $rules_group ) ) { |
| 380 |
$css_rules[ count( $css_rules ) - 1 ]['rules_group'] = $rules_group; |
| 381 |
} |
| 382 |
} |
| 383 |
|
| 384 |
/** |
| 385 |
* Builds compiled state style rules, preserving the selector each rule targets. |
| 386 |
* |
| 387 |
* @param array $state_styles Map of state to style array. |
| 388 |
* @param WP_Block_Type $block_type Block type. |
| 389 |
* @param string|null $rules_group Optional CSS grouping rule, e.g. a media query. |
| 390 |
* @return array[] State style rules. |
| 391 |
*/ |
| 392 |
function gutenberg_get_block_state_style_rules( $state_styles, $block_type, $rules_group = null ) { |
| 393 |
$css_rules = array(); |
| 394 |
$block_selectors = isset( $block_type->selectors ) && is_array( $block_type->selectors ) |
| 395 |
? $block_type->selectors |
| 396 |
: array(); |
| 397 |
|
| 398 |
foreach ( $state_styles as $state => $state_style ) { |
| 399 |
if ( empty( $state_style ) || ! is_array( $state_style ) ) { |
| 400 |
continue; |
| 401 |
} |
| 402 |
|
| 403 |
foreach ( gutenberg_get_state_style_groups( $state_style, $block_selectors ) as $group ) { |
| 404 |
gutenberg_add_block_state_style_rule( |
| 405 |
$css_rules, |
| 406 |
$state, |
| 407 |
$group['selector'], |
| 408 |
$group['style'], |
| 409 |
$rules_group |
| 410 |
); |
| 411 |
} |
| 412 |
} |
| 413 |
|
| 414 |
return $css_rules; |
| 415 |
} |
| 416 |
|
| 417 |
/** |
| 418 |
* Returns a unique class for a set of state style rules. |
| 419 |
* |
| 420 |
* @param string $block_name Block name. |
| 421 |
* @param array $css_rules State style rules. |
| 422 |
* @return string Unique class name. |
| 423 |
*/ |
| 424 |
function gutenberg_get_block_state_unique_class( $block_name, $css_rules ) { |
| 425 |
return 'wp-states-' . substr( |
| 426 |
md5( |
| 427 |
wp_json_encode( |
| 428 |
array( |
| 429 |
'blockName' => $block_name, |
| 430 |
'rules' => $css_rules, |
| 431 |
) |
| 432 |
) |
| 433 |
), |
| 434 |
0, |
| 435 |
8 |
| 436 |
); |
| 437 |
} |
| 438 |
|
| 439 |
/** |
| 440 |
* Splits a selector list by top-level commas. |
| 441 |
* |
| 442 |
* @param string $selector CSS selector list. |
| 443 |
* @return string[] Selectors. |
| 444 |
*/ |
| 445 |
function gutenberg_split_selector_list( $selector ) { |
| 446 |
if ( ! str_contains( $selector, ',' ) ) { |
| 447 |
return array( $selector ); |
| 448 |
} |
| 449 |
|
| 450 |
$selectors = array(); |
| 451 |
$current_selector = ''; |
| 452 |
$parentheses_depth = 0; |
| 453 |
$selector_length = strlen( $selector ); |
| 454 |
|
| 455 |
for ( $i = 0; $i < $selector_length; $i++ ) { |
| 456 |
$char = $selector[ $i ]; |
| 457 |
|
| 458 |
if ( '(' === $char ) { |
| 459 |
++$parentheses_depth; |
| 460 |
} elseif ( ')' === $char && $parentheses_depth > 0 ) { |
| 461 |
--$parentheses_depth; |
| 462 |
} elseif ( ',' === $char && 0 === $parentheses_depth ) { |
| 463 |
$selectors[] = $current_selector; |
| 464 |
$current_selector = ''; |
| 465 |
continue; |
| 466 |
} |
| 467 |
|
| 468 |
$current_selector .= $char; |
| 469 |
} |
| 470 |
|
| 471 |
$selectors[] = $current_selector; |
| 472 |
|
| 473 |
return $selectors; |
| 474 |
} |
| 475 |
|
| 476 |
/** |
| 477 |
* Builds a scoped selector from a block selector and optional pseudo-state. |
| 478 |
* |
| 479 |
* @param string $base_selector Block-instance scoping selector. |
| 480 |
* @param string|null $block_selector Block or feature selector from metadata. |
| 481 |
* @param string $state Pseudo-state selector. |
| 482 |
* @return string Scoped selector. |
| 483 |
*/ |
| 484 |
function gutenberg_build_state_selector( $base_selector, $block_selector, $state ) { |
| 485 |
if ( ! is_string( $block_selector ) || '' === trim( $block_selector ) ) { |
| 486 |
return $base_selector . $state; |
| 487 |
} |
| 488 |
|
| 489 |
$selectors = gutenberg_split_selector_list( $block_selector ); |
| 490 |
$scoped_selectors = array(); |
| 491 |
|
| 492 |
foreach ( $selectors as $selector ) { |
| 493 |
$selector = trim( $selector ); |
| 494 |
if ( '' === $selector ) { |
| 495 |
continue; |
| 496 |
} |
| 497 |
|
| 498 |
/* |
| 499 |
* Replace only the leading block selector part (e.g. class name, |
| 500 |
* attribute selector, ID, or tag name) with the block instance selector. |
| 501 |
* Preserve anything after that prefix, including modifier classes on the |
| 502 |
* same element and combinators without spaces. |
| 503 |
*/ |
| 504 |
if ( preg_match( '/^([.#]?[-_a-zA-Z0-9]+|\[[^\]]+\])/', $selector, $matches ) ) { |
| 505 |
$scoped_selectors[] = $base_selector . substr( $selector, strlen( $matches[0] ) ) . $state; |
| 506 |
continue; |
| 507 |
} |
| 508 |
|
| 509 |
$scoped_selectors[] = $base_selector . $state; |
| 510 |
} |
| 511 |
|
| 512 |
return empty( $scoped_selectors ) |
| 513 |
? $base_selector . $state |
| 514 |
: implode( ', ', $scoped_selectors ); |
| 515 |
} |
| 516 |
|
| 517 |
/** |
| 518 |
* Renders per-instance state styles on the frontend. |
| 519 |
* |
| 520 |
* @param string $block_content The block's rendered HTML. |
| 521 |
* @param array $block The block data including blockName and attrs. |
| 522 |
* @return string Modified block content with injected state styles. |
| 523 |
*/ |
| 524 |
function gutenberg_render_block_states_support( $block_content, $block ) { |
| 525 |
if ( empty( $block['blockName'] ) || empty( $block_content ) ) { |
| 526 |
return $block_content; |
| 527 |
} |
| 528 |
|
| 529 |
$block_name = $block['blockName']; |
| 530 |
|
| 531 |
/* |
| 532 |
* Every CSS rule this function can produce is keyed off the block's `style` |
| 533 |
* attribute. Without it there is nothing to generate, so bail before doing |
| 534 |
* any of the lookups below — this runs for every block on every request. |
| 535 |
*/ |
| 536 |
$raw_style = $block['attrs']['style'] ?? array(); |
| 537 |
if ( empty( $raw_style ) || ! is_array( $raw_style ) ) { |
| 538 |
return $block_content; |
| 539 |
} |
| 540 |
|
| 541 |
// Keep the existing block registry lookup here. |
| 542 |
$style = gutenberg_resolve_style_state_aliases( $raw_style, $block_name ); |
| 543 |
|
| 544 |
$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block_name ); |
| 545 |
if ( ! $block_type ) { |
| 546 |
return $block_content; |
| 547 |
} |
| 548 |
|
| 549 |
$supported_pseudo_states = WP_Theme_JSON_Gutenberg::VALID_BLOCK_PSEUDO_SELECTORS[ $block_name ] ?? array(); |
| 550 |
$css_rules = array(); |
| 551 |
$viewport_settings = gutenberg_get_global_settings( array( 'viewport' ) ); |
| 552 |
$responsive_media_queries = WP_Theme_JSON_Gutenberg::get_viewport_media_queries( $viewport_settings ); |
| 553 |
|
| 554 |
foreach ( $supported_pseudo_states as $pseudo_state ) { |
| 555 |
if ( empty( $style[ $pseudo_state ] ) || ! is_array( $style[ $pseudo_state ] ) ) { |
| 556 |
continue; |
| 557 |
} |
| 558 |
|
| 559 |
$css_rules = array_merge( |
| 560 |
$css_rules, |
| 561 |
gutenberg_get_block_state_style_rules( |
| 562 |
array( $pseudo_state => $style[ $pseudo_state ] ), |
| 563 |
$block_type |
| 564 |
) |
| 565 |
); |
| 566 |
} |
| 567 |
|
| 568 |
foreach ( $responsive_media_queries as $breakpoint => $media_query ) { |
| 569 |
if ( empty( $style[ $breakpoint ] ) || ! is_array( $style[ $breakpoint ] ) ) { |
| 570 |
continue; |
| 571 |
} |
| 572 |
|
| 573 |
$root_state_style = gutenberg_get_root_state_style( |
| 574 |
$style[ $breakpoint ], |
| 575 |
array_merge( array( 'elements' ), $supported_pseudo_states ) |
| 576 |
); |
| 577 |
|
| 578 |
if ( ! empty( $root_state_style ) ) { |
| 579 |
$css_rules = array_merge( |
| 580 |
$css_rules, |
| 581 |
gutenberg_get_block_state_style_rules( |
| 582 |
array( '' => $root_state_style ), |
| 583 |
$block_type, |
| 584 |
$media_query |
| 585 |
) |
| 586 |
); |
| 587 |
} |
| 588 |
|
| 589 |
if ( |
| 590 |
! empty( $style[ $breakpoint ]['elements'] ) && |
| 591 |
is_array( $style[ $breakpoint ]['elements'] ) |
| 592 |
) { |
| 593 |
$element_selectors = gutenberg_get_block_state_element_selectors( |
| 594 |
wp_get_block_css_selector( $block_type ) |
| 595 |
); |
| 596 |
|
| 597 |
foreach ( |
| 598 |
$style[ $breakpoint ]['elements'] as $element_name => $element_style |
| 599 |
) { |
| 600 |
if ( |
| 601 |
empty( $element_style ) || |
| 602 |
! is_array( $element_style ) || |
| 603 |
empty( $element_selectors[ $element_name ] ) |
| 604 |
) { |
| 605 |
continue; |
| 606 |
} |
| 607 |
|
| 608 |
$element_pseudo_states = WP_Theme_JSON_Gutenberg::VALID_ELEMENT_PSEUDO_SELECTORS[ $element_name ] |
| 609 |
?? array(); |
| 610 |
$root_element_style = gutenberg_get_root_state_style( |
| 611 |
$element_style, |
| 612 |
$element_pseudo_states |
| 613 |
); |
| 614 |
|
| 615 |
gutenberg_add_block_state_style_rule( |
| 616 |
$css_rules, |
| 617 |
'', |
| 618 |
$element_selectors[ $element_name ], |
| 619 |
$root_element_style, |
| 620 |
$media_query |
| 621 |
); |
| 622 |
|
| 623 |
foreach ( $element_pseudo_states as $pseudo_state ) { |
| 624 |
if ( |
| 625 |
empty( $element_style[ $pseudo_state ] ) || |
| 626 |
! is_array( $element_style[ $pseudo_state ] ) |
| 627 |
) { |
| 628 |
continue; |
| 629 |
} |
| 630 |
|
| 631 |
gutenberg_add_block_state_style_rule( |
| 632 |
$css_rules, |
| 633 |
$pseudo_state, |
| 634 |
$element_selectors[ $element_name ], |
| 635 |
$element_style[ $pseudo_state ], |
| 636 |
$media_query |
| 637 |
); |
| 638 |
} |
| 639 |
} |
| 640 |
} |
| 641 |
|
| 642 |
foreach ( $supported_pseudo_states as $pseudo_state ) { |
| 643 |
if ( empty( $style[ $breakpoint ][ $pseudo_state ] ) || ! is_array( $style[ $breakpoint ][ $pseudo_state ] ) ) { |
| 644 |
continue; |
| 645 |
} |
| 646 |
|
| 647 |
$css_rules = array_merge( |
| 648 |
$css_rules, |
| 649 |
gutenberg_get_block_state_style_rules( |
| 650 |
array( $pseudo_state => $style[ $breakpoint ][ $pseudo_state ] ), |
| 651 |
$block_type, |
| 652 |
$media_query |
| 653 |
) |
| 654 |
); |
| 655 |
} |
| 656 |
} |
| 657 |
|
| 658 |
if ( empty( $css_rules ) ) { |
| 659 |
return $block_content; |
| 660 |
} |
| 661 |
|
| 662 |
$unique_class = gutenberg_get_block_state_unique_class( $block_name, $css_rules ); |
| 663 |
|
| 664 |
/* |
| 665 |
* Register each state's CSS rules with the block-supports style engine store. |
| 666 |
* The store deduplicates rules by selector — two block instances with identical |
| 667 |
* state styles share the same hash class and therefore the same selector, |
| 668 |
* so only one CSS rule is emitted. The store is flushed to the page by |
| 669 |
* gutenberg_enqueue_stored_styles() rather than injected inline here. |
| 670 |
* |
| 671 |
* State declarations need !important to apply reliably over inline styles and |
| 672 |
* preset utility classes such as .has-accent-3-background-color. |
| 673 |
* |
| 674 |
* Layout-driven state styles (responsive layout, blockGap, child layout) are |
| 675 |
* handled by gutenberg_render_layout_support_flag() so they share a selector |
| 676 |
* with the base layout and target the correct (inner) wrapper element. |
| 677 |
*/ |
| 678 |
$style_rules = array(); |
| 679 |
foreach ( $css_rules as $rule ) { |
| 680 |
$declarations = $rule['declarations']; |
| 681 |
$important_declaration_values = gutenberg_get_state_declarations_with_background_resets( $declarations ); |
| 682 |
$important_declarations = new WP_Style_Engine_CSS_Declarations_Gutenberg(); |
| 683 |
foreach ( $important_declaration_values as $property => $value ) { |
| 684 |
$important_declarations->add_declaration( |
| 685 |
$property, |
| 686 |
$value, |
| 687 |
array( |
| 688 |
'important' => true, |
| 689 |
) |
| 690 |
); |
| 691 |
} |
| 692 |
$selector = gutenberg_build_state_selector( |
| 693 |
".$unique_class", |
| 694 |
$rule['selector'], |
| 695 |
$rule['state'] |
| 696 |
); |
| 697 |
$important_style_rule = array( |
| 698 |
'selector' => $selector, |
| 699 |
'declarations' => $important_declarations, |
| 700 |
); |
| 701 |
if ( ! empty( $rule['rules_group'] ) ) { |
| 702 |
$important_style_rule['rules_group'] = $rule['rules_group']; |
| 703 |
} |
| 704 |
$style_rules[] = $important_style_rule; |
| 705 |
|
| 706 |
$fallback_declarations = gutenberg_get_state_declarations_with_fallback_border_styles( $declarations ); |
| 707 |
foreach ( array_keys( $declarations ) as $property ) { |
| 708 |
unset( $fallback_declarations[ $property ] ); |
| 709 |
} |
| 710 |
|
| 711 |
if ( empty( $fallback_declarations ) ) { |
| 712 |
continue; |
| 713 |
} |
| 714 |
|
| 715 |
$fallback_style_rule = array( |
| 716 |
'selector' => $selector, |
| 717 |
'declarations' => $fallback_declarations, |
| 718 |
); |
| 719 |
if ( ! empty( $rule['rules_group'] ) ) { |
| 720 |
$fallback_style_rule['rules_group'] = $rule['rules_group']; |
| 721 |
} |
| 722 |
$style_rules[] = $fallback_style_rule; |
| 723 |
} |
| 724 |
|
| 725 |
gutenberg_style_engine_get_stylesheet_from_css_rules( |
| 726 |
$style_rules, |
| 727 |
array( |
| 728 |
'context' => 'block-supports', |
| 729 |
'prettify' => false, |
| 730 |
) |
| 731 |
); |
| 732 |
|
| 733 |
$processor = new WP_HTML_Tag_Processor( $block_content ); |
| 734 |
if ( $processor->next_tag() ) { |
| 735 |
$processor->add_class( $unique_class ); |
| 736 |
} |
| 737 |
return $processor->get_updated_html(); |
| 738 |
} |
| 739 |
add_filter( 'render_block', 'gutenberg_render_block_states_support', 10, 2 ); |
| 740 |
|
