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<?php |
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namespace ABlocks\Classes; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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use ABlocks\Classes\AssetsGenerator; |
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use ABlocks\Classes\FontStack; |
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|
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class CssGenerator { |
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private $custom_css = ''; |
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private $parent_class; |
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private $class_styles = []; |
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|
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public function __construct( $attributes = [] ) { |
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if ( ! isset( $attributes['block_id'] ) ) { |
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return; |
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} |
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$this->parent_class = '.ablocks-block-' . $attributes['block_id']; |
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if ( isset( $attributes['_custom_css'] ) ) { |
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$this->custom_css = $attributes['_custom_css']; |
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} |
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|
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|
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// Alert - don't touch here |
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if ( isset( $attributes['_margin'] ) ) { // check has advanced tab or not |
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$this->add_class_styles( |
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'{{WRAPPER}}', |
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BlockGlobal::get_wrapper_css( $attributes ), |
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BlockGlobal::get_wrapper_css( $attributes, 'Tablet' ), |
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BlockGlobal::get_wrapper_css( $attributes, 'Mobile' ), |
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$this->custom_device_map( function ( $device ) use ( $attributes ) { |
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return BlockGlobal::get_wrapper_css( $attributes, $device ); |
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} ) |
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); |
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$this->add_class_styles( |
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'{{WRAPPER}}:hover', |
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BlockGlobal::get_wrapper_hover_css( $attributes ), |
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BlockGlobal::get_wrapper_hover_css( $attributes, 'Tablet' ), |
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BlockGlobal::get_wrapper_hover_css( $attributes, 'Mobile' ) |
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); |
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$this->add_class_styles( |
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'{{WRAPPER}}.ablocks-hide-on-desktop,{{WRAPPER}}.ablocks-hide-on-tablet,{{WRAPPER}}.ablocks-hide-on-mobile', |
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BlockGlobal::get_wrapper_device_responsive_css( $attributes ), |
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BlockGlobal::get_wrapper_device_responsive_css( $attributes, 'Tablet' ), |
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BlockGlobal::get_wrapper_device_responsive_css( $attributes, 'Mobile' ) |
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); |
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$this->add_class_styles( |
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'{{WRAPPER}}:hover > .ablocks-block-container', |
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BlockGlobal::get_container_hover_css( $attributes ), |
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BlockGlobal::get_container_hover_css( $attributes, 'Tablet' ), |
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BlockGlobal::get_container_hover_css( $attributes, 'Mobile' ) |
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); |
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$this->add_class_styles( |
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'{{WRAPPER}} > .ablocks-block-container', |
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BlockGlobal::get_container_css( $attributes ), |
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BlockGlobal::get_container_css( $attributes, 'Tablet' ), |
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BlockGlobal::get_container_css( $attributes, 'Mobile' ), |
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$this->custom_device_map( function ( $device ) use ( $attributes ) { |
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return BlockGlobal::get_container_css( $attributes, $device ); |
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} ) |
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); |
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}//end if |
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} |
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|
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public function add_class_styles( $class_name, $desktop_styles, $tablet_styles = [], $mobile_styles = [], $responsive_styles = [] ) { |
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$this->class_styles[] = [ |
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'class_name' => $class_name, |
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'desktop_styles' => $desktop_styles, |
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'tablet_styles' => $tablet_styles, |
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'mobile_styles' => $mobile_styles, |
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'responsive_styles' => $responsive_styles, |
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]; |
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} |
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|
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/** |
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* Custom-breakpoint style map from a per-device builder (excludes the |
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* built-in Tablet/Mobile so the standard path is untouched). |
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*/ |
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public function custom_device_map( $builder ) { |
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$map = []; |
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|
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// Nothing to build when the site registers no custom breakpoints — and |
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// running the phantom probe anyway is not free: it hands every control a |
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// device suffix that has no stored keys, which is what made controls that |
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// read `$value[ 'x' . $device ]` unguarded spray "Undefined array key |
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// …___ablocksphantom___" notices on every page under WP_DEBUG. |
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$custom_devices = []; |
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foreach ( \ABlocks\Helper::get_responsive_devices() as $d ) { |
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if ( $d['width'] <= 0 || 'Tablet' === $d['id'] || 'Mobile' === $d['id'] ) { |
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continue; |
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} |
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$custom_devices[] = $d; |
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} |
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if ( empty( $custom_devices ) ) { |
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return $map; |
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} |
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|
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// Subtract a "phantom" baseline (builder run against a value-less suffix) |
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// so controls that only default Tablet/Mobile don't leak phantom |
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// declarations into custom breakpoints. Leaves only real overrides. |
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$phantom = \ABlocks\Helper::call_device_builder( $builder, '__ablocksphantom__' ); |
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foreach ( $custom_devices as $d ) { |
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if ( $d['width'] <= 0 || 'Tablet' === $d['id'] || 'Mobile' === $d['id'] ) { |
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continue; |
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} |
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$actual = \ABlocks\Helper::call_device_builder( $builder, $d['suffix'] ); |
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$real = []; |
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foreach ( $actual as $prop => $val ) { |
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if ( ! array_key_exists( $prop, $phantom ) || $phantom[ $prop ] !== $val ) { |
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$real[ $prop ] = $val; |
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} |
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} |
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if ( ! empty( $real ) ) { |
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$map[ $d['suffix'] ] = [ |
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'width' => (int) $d['width'], |
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'min' => isset( $d['min'] ) ? (int) $d['min'] : 0, |
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'max' => isset( $d['max'] ) ? (int) $d['max'] : (int) $d['width'], |
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'styles' => $real, |
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]; |
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} |
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} |
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return $map; |
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} |
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|
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public function generate_css() { |
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$css_output = ''; |
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|
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foreach ( $this->class_styles as $class_style ) { |
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$desktop_styles = $this->remove_empty_css( $class_style['desktop_styles'] ); |
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$tablet_styles = $this->filter_responsive_styles( $desktop_styles, $class_style['tablet_styles'] ); |
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$mobile_styles = $this->filter_responsive_styles( array_merge( $desktop_styles, $tablet_styles ), $class_style['mobile_styles'] ); |
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|
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$desktop_raw = $this->generate_css_for_media_query( 'desktop', $desktop_styles ); |
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$tablet_raw = $this->generate_css_for_media_query( 'tablet', $tablet_styles ); |
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$mobile_raw = $this->generate_css_for_media_query( 'mobile', $mobile_styles ); |
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|
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$desktop_css = AssetsGenerator::minify_css( $desktop_raw ); |
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$tablet_css = AssetsGenerator::minify_css( $tablet_raw ); |
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$mobile_css = AssetsGenerator::minify_css( $mobile_raw ); |
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|
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$parent_selector = $this->get_parent_selector( $class_style['class_name'] ); |
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$css_blocks = []; |
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|
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$addToCssBlocks = function ( $mediaQuery, $max_width, $css ) use ( &$css_blocks, $parent_selector ) { |
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if ( ! empty( $css ) ) { |
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$css_blocks[] = ( '' !== $mediaQuery ) ? "@media screen and (max-width: $max_width) {\n$parent_selector {\n$css\n}\n}" : "$parent_selector {\n$css\n}"; |
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} |
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}; |
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|
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// Always add desktop CSS |
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$addToCssBlocks( '', '', $desktop_css ); |
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|
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if ( empty( $class_style['responsive_styles'] ) ) { |
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// Standard path (no custom breakpoints) — unchanged output. |
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if ( $tablet_raw !== $desktop_raw ) { |
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$addToCssBlocks( 'tablet', $this->get_breakpoint( 'tablet' ), $tablet_css ); |
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} |
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if ( $mobile_raw !== $tablet_raw ) { |
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$addToCssBlocks( 'mobile', $this->get_breakpoint( 'mobile' ), $mobile_css ); |
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} |
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} else { |
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// Custom breakpoints present: emit every breakpoint width-descending |
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// (narrowest last so it wins), each deduped against what it inherits. |
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$bp_defaults = \ABlocks\Helper::get_breakpoints(); |
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$bp_list = [ |
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[ 'width' => $bp_defaults['tablet'], 'min' => 0, 'max' => $bp_defaults['tablet'], 'styles' => $class_style['tablet_styles'] ], |
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[ 'width' => $bp_defaults['mobile'], 'min' => 0, 'max' => $bp_defaults['mobile'], 'styles' => $class_style['mobile_styles'] ], |
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]; |
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foreach ( $class_style['responsive_styles'] as $bp ) { |
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$bp_list[] = [ |
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'width' => (int) $bp['width'], |
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'min' => isset( $bp['min'] ) ? (int) $bp['min'] : 0, |
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'max' => isset( $bp['max'] ) ? (int) $bp['max'] : (int) $bp['width'], |
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'styles' => $bp['styles'], |
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]; |
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} |
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usort( $bp_list, function ( $a, $b ) { |
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return (int) $b['width'] - (int) $a['width']; |
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} ); |
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$emitted = []; |
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foreach ( $bp_list as $i => $bp ) { |
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// Dedupe against what this breakpoint inherits — desktop plus every |
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// wider breakpoint whose range contains it — not desktop alone, so an |
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// explicit value that equals desktop's still overrides a wider |
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// custom breakpoint's. |
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$parent = $desktop_styles; |
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for ( $j = 0; $j < $i; $j++ ) { |
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if ( \ABlocks\Helper::breakpoint_contains( $bp_list[ $j ], $bp ) ) { |
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$parent = array_merge( $parent, $emitted[ $j ] ); |
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} |
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} |
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$bp_styles = $this->filter_responsive_styles( $parent, $bp['styles'] ); |
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$emitted[ $i ] = $bp_styles; |
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$bp_raw = $this->generate_css_for_media_query( 'bp', $bp_styles ); |
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if ( '' === trim( $bp_raw ) ) { |
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continue; |
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} |
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$bp_css = AssetsGenerator::minify_css( $bp_raw ); |
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$media = \ABlocks\Helper::breakpoint_media_condition( $bp['min'], $bp['max'] ); |
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if ( '' === $bp_css || '' === $media ) { |
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continue; |
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} |
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$css_blocks[] = "@media screen and $media {\n$parent_selector {\n$bp_css\n}\n}"; |
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} |
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} |
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|
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$css_output .= implode( "\n\n", $css_blocks ) . "\n\n"; |
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}//end foreach |
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|
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$css_output .= $this->get_custom_css(); |
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|
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return preg_replace( '/\s+/', ' ', $css_output ); |
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} |
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public function get_custom_css() { |
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return preg_replace( '/\bselector\b/', $this->parent_class, $this->custom_css ); |
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} |
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public function generate_css_for_media_query( $media_query, $styles ) { |
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if ( empty( $styles ) ) { |
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return ''; |
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} |
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$css_string = implode("\n", array_map( |
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function ( $property, $value ) { |
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// See Helper::esc_css_value(): these values come from block |
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// attributes and land inside an inline <style> element. |
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$property = \ABlocks\Helper::esc_css_value( $property ); |
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$value = \ABlocks\Helper::esc_css_value( $value ); |
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return "$property: $value;"; |
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}, |
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array_keys( $styles ), |
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$styles |
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)); |
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|
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return $css_string . "\n"; |
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} |
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|
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public function get_breakpoint( $media_query ) { |
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$bp = \ABlocks\Helper::get_breakpoints(); |
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switch ( $media_query ) { |
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case 'tablet': |
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return $bp['tablet'] . 'px'; |
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case 'mobile': |
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return $bp['mobile'] . 'px'; |
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default: |
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return '1200px'; |
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} |
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} |
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|
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public function get_parent_selector( $class_name ) { |
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return $this->parent_class ? str_replace( '{{WRAPPER}}', $this->parent_class, $class_name ) : $class_name; |
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} |
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|
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private function remove_empty_css( $base_styles ) { |
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if ( empty( $base_styles ) || ! is_array( $base_styles ) || ( is_array( $base_styles ) && ! count( $base_styles ) ) ) { |
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return []; |
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} |
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|
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$styles = []; |
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|
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foreach ( $base_styles as $prop => $value ) { |
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if ( 'font-family' === $prop ) { |
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// Safety net for styles that bypass the Typography control and set a |
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// bare family name directly. FontStack leaves finished values alone. |
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$value = FontStack::build( $value ); |
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} |
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// Trim value to avoid whitespace-only entries |
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$trimmed = trim( $value ); |
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// // Remove if empty, or if it matches only a unit (like 'px', '%', 'em') without any number |
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if ( $trimmed === '' || preg_match( '/^(px|em|rem|vh|vw|vmin|vmax|cm|mm|in|pt|pc|%|s|ms|deg|fr|ch|ex)$/i', $trimmed ) ) { |
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continue; |
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} |
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|
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$styles[ $prop ] = $trimmed; |
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} |
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|
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return $styles; |
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} |
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|
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private function filter_responsive_styles( $base_styles, $responsive_styles ) { |
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if ( empty( $responsive_styles ) || ! is_array( $responsive_styles ) ) { |
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return []; |
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} |
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|
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$difference = []; |
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|
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foreach ( $responsive_styles as $prop => $value ) { |
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$trimmed = trim( $value ); |
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|
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// // Remove if empty, or if it matches only a unit (like 'px', '%', 'em') without any number |
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if ( $trimmed === '' || preg_match( '/^(px|em|rem|vh|vw|vmin|vmax|cm|mm|in|pt|pc|%|s|ms|deg|fr|ch|ex)$/i', $trimmed ) ) { |
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continue; |
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} |
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|
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// Only include if the value is different from base styles |
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if ( ! isset( $base_styles[ $prop ] ) || $base_styles[ $prop ] !== $trimmed ) { |
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$difference[ $prop ] = $trimmed; |
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} |
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} |
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|
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return $difference; |
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} |
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|
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|
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public function get_font_family_css( string $font_name, string $category = '' ): string { |
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// Kept for back-compat; the stack is built centrally now. |
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return FontStack::build( $font_name ); |
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} |
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} |
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|
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|
