| 1 |
<?php |
| 2 |
/** |
| 3 |
* Dynamic Block Classname Handler |
| 4 |
* |
| 5 |
* This file contains the `Dynamic_Block_Classname` class, which allows the dynamic addition |
| 6 |
* of CSS classnames or inline styles to Gutenberg blocks during rendering. |
| 7 |
* |
| 8 |
* @package gutenify |
| 9 |
* @subpackage Functions |
| 10 |
* @since 1.0.0 |
| 11 |
*/ |
| 12 |
|
| 13 |
namespace gutenify; |
| 14 |
|
| 15 |
defined( 'ABSPATH' ) || exit; // Prevent direct access to the file. |
| 16 |
|
| 17 |
/** |
| 18 |
* Class Dynamic_Block_Classname. |
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* |
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* Handles dynamic addition of CSS classnames to Gutenberg blocks. |
| 21 |
*/ |
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class Dynamic_Block_Classname { |
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|
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/** |
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* Initializes the class by hooking into 'render_block'. |
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*/ |
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public static function init() { |
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add_filter( 'render_block', array( __CLASS__, 'render_block' ), 10, 3 ); |
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} |
| 30 |
|
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/** |
| 32 |
* Hook callback for modifying block output during rendering. |
| 33 |
* |
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* @param string $block_content The original block HTML. |
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* @param array $block The block settings. |
| 36 |
* @param object $instance The block instance (for reusable blocks). |
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* @return string Modified block HTML after applying custom filters. |
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*/ |
| 39 |
public static function render_block( $block_content, $block, $instance ) { |
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// Skip processing for empty blocks or specific block types. |
| 41 |
if ( empty( $block['blockName'] ) || in_array( $block['blockName'], array( 'structured-content/faq-item', 'structured-content/faq' ), true ) ) { |
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return $block_content; |
| 43 |
} |
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|
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// Generate a unique CSS class ID for this block. |
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$block_id = wp_unique_id( 'gtfy-' ); |
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|
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$html_processor = new \WP_HTML_Tag_Processor( $block_content ); |
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if ( $html_processor->next_tag() ) { |
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$html_processor->add_class( $block_id ); |
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} |
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|
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// Enqueue dynamic styles if the block is valid. |
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if ( is_array( $block ) && ! empty( $block ) ) { |
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self::enqueue_dyanmic_style( $block, $block_id, $instance ); |
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} |
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|
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// Get the updated HTML content. |
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$updated_html = $html_processor->get_updated_html(); |
| 60 |
|
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// Apply general and block-specific filters before returning. |
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$filter_prefix = 'gutenify_render_block'; |
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$updated_html = apply_filters( $filter_prefix, $updated_html, $block, $instance, $block_id ); |
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return apply_filters( $filter_prefix . '_' . $block['blockName'], $updated_html, $block, $instance, $block_id ); |
| 65 |
} |
| 66 |
|
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/** |
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* Enqueues dynamic styles for the block. |
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* |
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* @param array $block The block settings. |
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* @param string $block_id Unique ID for the block instance. |
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* @param object $instance The block instance. |
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*/ |
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public static function enqueue_dyanmic_style( $block, $block_id, $instance ) { |
| 75 |
if ( empty( $block['blockName'] ) ) { |
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return false; // Exit early if the block has no name. |
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} |
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|
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// Create a unique style handle based on the block name and block ID. |
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$handle = 'gutenify_' . str_replace( '/', '_', $block['blockName'] ) . '_' . $block_id; |
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|
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// Register and enqueue an empty stylesheet for attaching inline styles. |
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wp_register_style( $handle, false ); |
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wp_enqueue_style( $handle ); |
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|
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// Initialize CSS variable. |
| 87 |
$css = ''; |
| 88 |
|
| 89 |
if ( ! in_array( $block['blockName'], array( 'gutenify/button' ), true ) ) { |
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$css = self::spacing_style( $block, $block_id, $instance ); |
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} |
| 92 |
|
| 93 |
$css .= self::position_style( $block, $block_id, $instance ); |
| 94 |
$css .= self::transform_style( $block, $block_id, $instance ); |
| 95 |
$css .= self::effects_style( $block, $block_id, $instance ); |
| 96 |
$css .= self::colors_style( $block, $block_id, $instance ); |
| 97 |
$css .= self::transition_style( $block, $block_id, $instance ); |
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$css .= self::box_shadow_style( $block, $block_id, $instance ); |
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$css .= self::layout_style( $block, $block_id, $instance ); |
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$css .= self::container_layout_style( $block, $block_id, $instance ); |
| 101 |
|
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// Add the generated inline styles to the registered handle. |
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wp_add_inline_style( $handle, $css ); |
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} |
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|
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/** |
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* Generates dynamic spacing styles for the block. |
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* |
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* @param array $block The block settings. |
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* @param string $block_id Unique ID for the block instance. |
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* @param object $instance The block instance. |
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* @return string CSS styles. |
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*/ |
| 114 |
public static function spacing_style( $block, $block_id, $instance ) { |
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// Initialize the CSS output variable. |
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$css = ''; |
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|
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// Get default margin from instance attributes. |
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$margin = ! empty( $instance->attributes['blockAdvanceOptions']['margin'] ) ? $instance->attributes['blockAdvanceOptions']['margin'] : array(); |
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|
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// Merge with block-level margin if provided. |
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if ( ! empty( $block['attrs']['blockAdvanceOptions']['margin'] ) ) { |
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$margin = wp_parse_args( $block['attrs']['blockAdvanceOptions']['margin'], $margin ); |
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} |
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|
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// Generate margin CSS. |
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$css .= Dynamic_Styles::get_spacing_with_media( '.' . $block_id, $margin, 'margin-' ); |
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|
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// Get default padding from instance attributes. |
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$padding = ! empty( $instance->attributes['blockAdvanceOptions']['padding'] ) ? $instance->attributes['blockAdvanceOptions']['padding'] : array(); |
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|
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// Merge with block-level padding if provided. |
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if ( ! empty( $block['attrs']['blockAdvanceOptions']['padding'] ) ) { |
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$padding = wp_parse_args( $block['attrs']['blockAdvanceOptions']['padding'], $padding ); |
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} |
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|
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// Generate padding CSS. |
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$css .= Dynamic_Styles::get_spacing_with_media( '.' . $block_id, $padding, 'padding-' ); |
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|
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// Return the combined spacing styles. |
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return $css; |
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} |
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|
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/** |
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* Generates dynamic position styles (position, offsets, z-index, width, |
| 146 |
* height, overflow) for the block, including any block-level custom |
| 147 |
* breakpoints (e.g. AdvancedGroup's `customBlockBreakpoints` attribute). |
| 148 |
* |
| 149 |
* @param array $block The block settings. |
| 150 |
* @param string $block_id Unique ID for the block instance. |
| 151 |
* @param object $instance The block instance. |
| 152 |
* @return string CSS styles. |
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*/ |
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public static function position_style( $block, $block_id, $instance ) { |
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$position = ! empty( $instance->attributes['advancedStyling']['position']['normal'] ) ? $instance->attributes['advancedStyling']['position']['normal'] : array(); |
| 156 |
|
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if ( ! empty( $block['attrs']['advancedStyling']['position']['normal'] ) ) { |
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$position = wp_parse_args( $block['attrs']['advancedStyling']['position']['normal'], $position ); |
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} |
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|
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$custom_breakpoints = ! empty( $block['attrs']['customBlockBreakpoints'] ) && is_array( $block['attrs']['customBlockBreakpoints'] ) |
| 162 |
? $block['attrs']['customBlockBreakpoints'] |
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: array(); |
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|
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$css = ''; |
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|
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if ( ! empty( $position ) ) { |
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$css .= Dynamic_Styles::get_position_with_media( '.' . $block_id, $position, $custom_breakpoints ); |
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} |
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|
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// Hover/Active/Focus-within variants — evaluated independently of the |
| 172 |
// Normal bucket above, since a block can have a state-only effect |
| 173 |
// (e.g. "scale up on hover") with no base position/transform at all. |
| 174 |
$css .= Dynamic_Styles::get_state_variants_css( |
| 175 |
'.' . $block_id, |
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$block['attrs'] ?? array(), |
| 177 |
$instance->attributes, |
| 178 |
'position', |
| 179 |
$custom_breakpoints, |
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function ( $sel, $bucket, $cbp ) { |
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return Dynamic_Styles::get_position_with_media( $sel, $bucket, $cbp ); |
| 182 |
} |
| 183 |
); |
| 184 |
|
| 185 |
return $css; |
| 186 |
} |
| 187 |
|
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/** |
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* Generates dynamic transform styles (transform, transform-origin) for |
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* the block, including any block-level custom breakpoints. |
| 191 |
* |
| 192 |
* @param array $block The block settings. |
| 193 |
* @param string $block_id Unique ID for the block instance. |
| 194 |
* @param object $instance The block instance. |
| 195 |
* @return string CSS styles. |
| 196 |
*/ |
| 197 |
public static function transform_style( $block, $block_id, $instance ) { |
| 198 |
$transform = ! empty( $instance->attributes['advancedStyling']['transform']['normal'] ) ? $instance->attributes['advancedStyling']['transform']['normal'] : array(); |
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|
| 200 |
if ( ! empty( $block['attrs']['advancedStyling']['transform']['normal'] ) ) { |
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$transform = wp_parse_args( $block['attrs']['advancedStyling']['transform']['normal'], $transform ); |
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} |
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|
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$custom_breakpoints = ! empty( $block['attrs']['customBlockBreakpoints'] ) && is_array( $block['attrs']['customBlockBreakpoints'] ) |
| 205 |
? $block['attrs']['customBlockBreakpoints'] |
| 206 |
: array(); |
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|
| 208 |
$css = ''; |
| 209 |
|
| 210 |
if ( ! empty( $transform ) ) { |
| 211 |
$css .= Dynamic_Styles::get_transform_with_media( '.' . $block_id, $transform, $custom_breakpoints ); |
| 212 |
} |
| 213 |
|
| 214 |
// Hover/Active/Focus-within variants — see position_style() above for |
| 215 |
// why this runs regardless of whether the Normal bucket was empty. |
| 216 |
$css .= Dynamic_Styles::get_state_variants_css( |
| 217 |
'.' . $block_id, |
| 218 |
$block['attrs'] ?? array(), |
| 219 |
$instance->attributes, |
| 220 |
'transform', |
| 221 |
$custom_breakpoints, |
| 222 |
function ( $sel, $bucket, $cbp ) { |
| 223 |
return Dynamic_Styles::get_transform_with_media( $sel, $bucket, $cbp ); |
| 224 |
} |
| 225 |
); |
| 226 |
|
| 227 |
return $css; |
| 228 |
} |
| 229 |
|
| 230 |
/** |
| 231 |
* Generates dynamic effects styles (opacity, filter, backdrop-filter) for |
| 232 |
* the block, including any block-level custom breakpoints. |
| 233 |
* |
| 234 |
* @param array $block The block settings. |
| 235 |
* @param string $block_id Unique ID for the block instance. |
| 236 |
* @param object $instance The block instance. |
| 237 |
* @return string CSS styles. |
| 238 |
*/ |
| 239 |
public static function effects_style( $block, $block_id, $instance ) { |
| 240 |
$effects = ! empty( $instance->attributes['advancedStyling']['effects']['normal'] ) ? $instance->attributes['advancedStyling']['effects']['normal'] : array(); |
| 241 |
|
| 242 |
if ( ! empty( $block['attrs']['advancedStyling']['effects']['normal'] ) ) { |
| 243 |
$effects = wp_parse_args( $block['attrs']['advancedStyling']['effects']['normal'], $effects ); |
| 244 |
} |
| 245 |
|
| 246 |
$custom_breakpoints = ! empty( $block['attrs']['customBlockBreakpoints'] ) && is_array( $block['attrs']['customBlockBreakpoints'] ) |
| 247 |
? $block['attrs']['customBlockBreakpoints'] |
| 248 |
: array(); |
| 249 |
|
| 250 |
$css = ''; |
| 251 |
|
| 252 |
if ( ! empty( $effects ) ) { |
| 253 |
$css .= Dynamic_Styles::get_effects_with_media( '.' . $block_id, $effects, $custom_breakpoints ); |
| 254 |
} |
| 255 |
|
| 256 |
// Hover/Active/Focus-within variants — see position_style() above for |
| 257 |
// why this runs regardless of whether the Normal bucket was empty. |
| 258 |
$css .= Dynamic_Styles::get_state_variants_css( |
| 259 |
'.' . $block_id, |
| 260 |
$block['attrs'] ?? array(), |
| 261 |
$instance->attributes, |
| 262 |
'effects', |
| 263 |
$custom_breakpoints, |
| 264 |
function ( $sel, $bucket, $cbp ) { |
| 265 |
return Dynamic_Styles::get_effects_with_media( $sel, $bucket, $cbp ); |
| 266 |
} |
| 267 |
); |
| 268 |
|
| 269 |
return $css; |
| 270 |
} |
| 271 |
|
| 272 |
/** |
| 273 |
* Generates dynamic color styles (background-color, color) for the |
| 274 |
* block, including any block-level custom breakpoints. |
| 275 |
* |
| 276 |
* @param array $block The block settings. |
| 277 |
* @param string $block_id Unique ID for the block instance. |
| 278 |
* @param object $instance The block instance. |
| 279 |
* @return string CSS styles. |
| 280 |
*/ |
| 281 |
public static function colors_style( $block, $block_id, $instance ) { |
| 282 |
$colors = ! empty( $instance->attributes['advancedStyling']['colors']['normal'] ) ? $instance->attributes['advancedStyling']['colors']['normal'] : array(); |
| 283 |
|
| 284 |
if ( ! empty( $block['attrs']['advancedStyling']['colors']['normal'] ) ) { |
| 285 |
$colors = wp_parse_args( $block['attrs']['advancedStyling']['colors']['normal'], $colors ); |
| 286 |
} |
| 287 |
|
| 288 |
$custom_breakpoints = ! empty( $block['attrs']['customBlockBreakpoints'] ) && is_array( $block['attrs']['customBlockBreakpoints'] ) |
| 289 |
? $block['attrs']['customBlockBreakpoints'] |
| 290 |
: array(); |
| 291 |
|
| 292 |
$css = ''; |
| 293 |
|
| 294 |
if ( ! empty( $colors ) ) { |
| 295 |
$css .= Dynamic_Styles::get_colors_with_media( '.' . $block_id, $colors, $custom_breakpoints ); |
| 296 |
} |
| 297 |
|
| 298 |
// Hover/Active/Focus-within variants — see position_style() above for |
| 299 |
// why this runs regardless of whether the Normal bucket was empty. |
| 300 |
$css .= Dynamic_Styles::get_state_variants_css( |
| 301 |
'.' . $block_id, |
| 302 |
$block['attrs'] ?? array(), |
| 303 |
$instance->attributes, |
| 304 |
'colors', |
| 305 |
$custom_breakpoints, |
| 306 |
function ( $sel, $bucket, $cbp ) { |
| 307 |
return Dynamic_Styles::get_colors_with_media( $sel, $bucket, $cbp ); |
| 308 |
} |
| 309 |
); |
| 310 |
|
| 311 |
return $css; |
| 312 |
} |
| 313 |
|
| 314 |
/** |
| 315 |
* Generates dynamic `transition-duration`/`transition-timing-function`/ |
| 316 |
* `transition-delay` CSS for the block, including any block-level custom |
| 317 |
* breakpoints. Normal-only — unlike position/transform/effects/colors, |
| 318 |
* this deliberately does NOT call get_state_variants_css(): `transition` |
| 319 |
* must live on the resting selector to animate a state change in both |
| 320 |
* directions (entering AND leaving :hover/:active/:focus-within), so it |
| 321 |
* has no Hover/Active/Focus bucket of its own to read. |
| 322 |
* |
| 323 |
* @param array $block The block settings. |
| 324 |
* @param string $block_id Unique ID for the block instance. |
| 325 |
* @param object $instance The block instance. |
| 326 |
* @return string CSS styles. |
| 327 |
*/ |
| 328 |
public static function transition_style( $block, $block_id, $instance ) { |
| 329 |
$transition = ! empty( $instance->attributes['advancedStyling']['transition']['normal'] ) ? $instance->attributes['advancedStyling']['transition']['normal'] : array(); |
| 330 |
|
| 331 |
if ( ! empty( $block['attrs']['advancedStyling']['transition']['normal'] ) ) { |
| 332 |
$transition = wp_parse_args( $block['attrs']['advancedStyling']['transition']['normal'], $transition ); |
| 333 |
} |
| 334 |
|
| 335 |
if ( empty( $transition ) ) { |
| 336 |
return ''; |
| 337 |
} |
| 338 |
|
| 339 |
$custom_breakpoints = ! empty( $block['attrs']['customBlockBreakpoints'] ) && is_array( $block['attrs']['customBlockBreakpoints'] ) |
| 340 |
? $block['attrs']['customBlockBreakpoints'] |
| 341 |
: array(); |
| 342 |
|
| 343 |
return Dynamic_Styles::get_transition_with_media( '.' . $block_id, $transition, $custom_breakpoints ); |
| 344 |
} |
| 345 |
|
| 346 |
/** |
| 347 |
* Generates dynamic `box-shadow` CSS for the block, including any |
| 348 |
* block-level custom breakpoints. State-crossed like colors_style() — |
| 349 |
* box-shadow-on-hover is a common effect. |
| 350 |
* |
| 351 |
* @param array $block The block settings. |
| 352 |
* @param string $block_id Unique ID for the block instance. |
| 353 |
* @param object $instance The block instance. |
| 354 |
* @return string CSS styles. |
| 355 |
*/ |
| 356 |
public static function box_shadow_style( $block, $block_id, $instance ) { |
| 357 |
$box_shadow = ! empty( $instance->attributes['advancedStyling']['boxShadow']['normal'] ) ? $instance->attributes['advancedStyling']['boxShadow']['normal'] : array(); |
| 358 |
|
| 359 |
if ( ! empty( $block['attrs']['advancedStyling']['boxShadow']['normal'] ) ) { |
| 360 |
$box_shadow = wp_parse_args( $block['attrs']['advancedStyling']['boxShadow']['normal'], $box_shadow ); |
| 361 |
} |
| 362 |
|
| 363 |
$custom_breakpoints = ! empty( $block['attrs']['customBlockBreakpoints'] ) && is_array( $block['attrs']['customBlockBreakpoints'] ) |
| 364 |
? $block['attrs']['customBlockBreakpoints'] |
| 365 |
: array(); |
| 366 |
|
| 367 |
$css = ''; |
| 368 |
|
| 369 |
if ( ! empty( $box_shadow ) ) { |
| 370 |
$css .= Dynamic_Styles::get_box_shadow_with_media( '.' . $block_id, $box_shadow, $custom_breakpoints ); |
| 371 |
} |
| 372 |
|
| 373 |
// Hover/Active/Focus-within variants — see position_style() above for why this runs regardless of whether the Normal bucket was empty. |
| 374 |
$css .= Dynamic_Styles::get_state_variants_css( |
| 375 |
'.' . $block_id, |
| 376 |
$block['attrs'] ?? array(), |
| 377 |
$instance->attributes, |
| 378 |
'boxShadow', |
| 379 |
$custom_breakpoints, |
| 380 |
function ( $sel, $bucket, $cbp ) { |
| 381 |
return Dynamic_Styles::get_box_shadow_with_media( $sel, $bucket, $cbp ); |
| 382 |
} |
| 383 |
); |
| 384 |
|
| 385 |
return $css; |
| 386 |
} |
| 387 |
|
| 388 |
/** |
| 389 |
* Generates dynamic `flex-grow`/`flex-shrink`/`flex-basis`/`align-self`/ |
| 390 |
* `order`/`cursor` CSS for the block, including any block-level custom |
| 391 |
* breakpoints. Normal-only — see get_layout_with_media()'s docblock for |
| 392 |
* why this has no Hover/Active/Focus variant. |
| 393 |
* |
| 394 |
* @param array $block The block settings. |
| 395 |
* @param string $block_id Unique ID for the block instance. |
| 396 |
* @param object $instance The block instance. |
| 397 |
* @return string CSS styles. |
| 398 |
*/ |
| 399 |
public static function layout_style( $block, $block_id, $instance ) { |
| 400 |
$layout = ! empty( $instance->attributes['advancedStyling']['layout']['normal'] ) ? $instance->attributes['advancedStyling']['layout']['normal'] : array(); |
| 401 |
|
| 402 |
if ( ! empty( $block['attrs']['advancedStyling']['layout']['normal'] ) ) { |
| 403 |
$layout = wp_parse_args( $block['attrs']['advancedStyling']['layout']['normal'], $layout ); |
| 404 |
} |
| 405 |
|
| 406 |
if ( empty( $layout ) ) { |
| 407 |
return ''; |
| 408 |
} |
| 409 |
|
| 410 |
$custom_breakpoints = ! empty( $block['attrs']['customBlockBreakpoints'] ) && is_array( $block['attrs']['customBlockBreakpoints'] ) |
| 411 |
? $block['attrs']['customBlockBreakpoints'] |
| 412 |
: array(); |
| 413 |
|
| 414 |
return Dynamic_Styles::get_layout_with_media( '.' . $block_id, $layout, $custom_breakpoints ); |
| 415 |
} |
| 416 |
|
| 417 |
/** |
| 418 |
* Generates dynamic `flex-direction`/`flex-wrap`/`gap`/`align-items`/ |
| 419 |
* `justify-content` CSS for the block — the CONTAINER side of flex/grid |
| 420 |
* layout (how this block lays out its children), as opposed to |
| 421 |
* layout_style() above (the CHILD side). State-crossed like colors_style() |
| 422 |
* — these fields share the same resolved Display value the "Position" |
| 423 |
* section's Display field already supports per state. |
| 424 |
* |
| 425 |
* @param array $block The block settings. |
| 426 |
* @param string $block_id Unique ID for the block instance. |
| 427 |
* @param object $instance The block instance. |
| 428 |
* @return string CSS styles. |
| 429 |
*/ |
| 430 |
public static function container_layout_style( $block, $block_id, $instance ) { |
| 431 |
$container_layout = ! empty( $instance->attributes['advancedStyling']['containerLayout']['normal'] ) ? $instance->attributes['advancedStyling']['containerLayout']['normal'] : array(); |
| 432 |
|
| 433 |
if ( ! empty( $block['attrs']['advancedStyling']['containerLayout']['normal'] ) ) { |
| 434 |
$container_layout = wp_parse_args( $block['attrs']['advancedStyling']['containerLayout']['normal'], $container_layout ); |
| 435 |
} |
| 436 |
|
| 437 |
$custom_breakpoints = ! empty( $block['attrs']['customBlockBreakpoints'] ) && is_array( $block['attrs']['customBlockBreakpoints'] ) |
| 438 |
? $block['attrs']['customBlockBreakpoints'] |
| 439 |
: array(); |
| 440 |
|
| 441 |
$css = ''; |
| 442 |
|
| 443 |
if ( ! empty( $container_layout ) ) { |
| 444 |
$css .= Dynamic_Styles::get_container_layout_with_media( '.' . $block_id, $container_layout, $custom_breakpoints ); |
| 445 |
} |
| 446 |
|
| 447 |
// Hover/Active/Focus-within variants — see position_style() above for why this runs regardless of whether the Normal bucket was empty. |
| 448 |
$css .= Dynamic_Styles::get_state_variants_css( |
| 449 |
'.' . $block_id, |
| 450 |
$block['attrs'] ?? array(), |
| 451 |
$instance->attributes, |
| 452 |
'containerLayout', |
| 453 |
$custom_breakpoints, |
| 454 |
function ( $sel, $bucket, $cbp ) { |
| 455 |
return Dynamic_Styles::get_container_layout_with_media( $sel, $bucket, $cbp ); |
| 456 |
} |
| 457 |
); |
| 458 |
|
| 459 |
return $css; |
| 460 |
} |
| 461 |
} |
| 462 |
|
| 463 |
// Initialize the class. |
| 464 |
Dynamic_Block_Classname::init(); |
| 465 |
|