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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\BlockBaseAbstract; |
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use ABlocks\Classes\AtomicStyles; |
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use ABlocks\Controls\Alignment; |
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use ABlocks\Helper; |
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|
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/** |
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* Shared base for every atomic block (text, image, svg, div, flex, grid). |
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* |
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* Renders the block's per-state (Normal / Hover / Focus / Active) × per-device |
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* styles onto a single higher-specificity selector — `.ablocks-block-{id} |
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* .ablocks-{block_name}` (0-2-0) so the block's own styles beat any applied |
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* global class (0-1-0) — plus interaction animations and an optional |
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* `extra_css()` hook for block-specific declarations. Concrete blocks only set |
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* `$block_name` and (optionally) override `extra_css()` / `block_css_class()`. |
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*/ |
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abstract class AtomicBlockBase extends BlockBaseAbstract { |
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|
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// Elementor easing names -> CSS timing functions. |
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protected static $easing_css = [ |
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'easeIn' => 'cubic-bezier(0.42, 0, 1, 1)', |
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'easeOut' => 'cubic-bezier(0, 0, 0.58, 1)', |
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'easeInOut' => 'cubic-bezier(0.42, 0, 0.58, 1)', |
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'backIn' => 'cubic-bezier(0.36, 0, 0.66, -0.56)', |
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'backOut' => 'cubic-bezier(0.34, 1.56, 0.64, 1)', |
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'backInOut' => 'cubic-bezier(0.68, -0.6, 0.32, 1.6)', |
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'linear' => 'linear', |
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]; |
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|
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/** The block's own class, e.g. `ablocks-atomic-div`. */ |
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protected function block_css_class() { |
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return 'ablocks-' . $this->block_name; |
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} |
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|
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/** Whether to emit a per-device text-align from the `alignment` attribute. */ |
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protected function supports_alignment() { |
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return true; |
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} |
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|
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/** |
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* Keep saved markup pointing at the style class build_css() emits — see |
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* AtomicStyles::refresh_style_class(). |
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*/ |
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public function render_callback( $attributes, $content, $block_instance ) { |
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$content = AtomicStyles::refresh_style_class( |
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$content, |
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isset( $attributes['styles'] ) && is_array( $attributes['styles'] ) ? $attributes['styles'] : [], |
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$this->supports_alignment() && isset( $attributes['alignment'] ) && is_array( $attributes['alignment'] ) ? $attributes['alignment'] : [] |
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); |
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return parent::render_callback( $attributes, $content, $block_instance ); |
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} |
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|
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/** Block-specific declarations, appended after the shared style rules. */ |
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protected function extra_css( $base, $attributes ) { |
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return ''; |
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} |
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|
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public function build_css( $attributes ) { |
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$block_id = isset( $attributes['block_id'] ) ? $attributes['block_id'] : ''; |
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if ( '' === $block_id ) { |
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return ''; |
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} |
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|
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$base = '.ablocks-block-' . $block_id . '.' . $this->block_css_class(); |
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$styles = isset( $attributes['styles'] ) && is_array( $attributes['styles'] ) ? $attributes['styles'] : []; |
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$alignment = isset( $attributes['alignment'] ) && is_array( $attributes['alignment'] ) ? $attributes['alignment'] : []; |
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$css = ''; |
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|
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/* |
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* The block's state/breakpoint styles are emitted as a CONTENT-HASHED |
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* SHARED class, not per instance: every block whose styles compile to |
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* the same rule set gets the same `ablocks-s-{hash}` class, and the rule |
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* is written once per request no matter how many blocks carry it. The |
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* editor stamps the identical class into the markup at save time. |
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* |
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* Alignment folds into the same rule set (see compile_rules) rather than |
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* being emitted separately — it is device-suffixed and belongs to the |
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* normal state, and keeping it in the hash is what stops two blocks with |
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* identical styles but different alignment from sharing a class. |
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*/ |
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$registered = AtomicStyles::register_styles( |
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$styles, |
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$this->supports_alignment() ? $alignment : [] |
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); |
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$css .= $registered['css']; |
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|
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// Transition (smooths hover / focus / active state changes). |
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if ( ! empty( $attributes['transitionDuration'] ) ) { |
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$css .= $base . '{transition:all ' . $attributes['transitionDuration'] . 's ease;}'; |
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} |
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|
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// Block-specific extra CSS. |
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$css .= $this->extra_css( $base, $attributes ); |
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|
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// Interaction animations (multiple, per trigger + per breakpoint). |
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$animations = isset( $attributes['animations'] ) && is_array( $attributes['animations'] ) ? $attributes['animations'] : []; |
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if ( empty( $animations ) ) { |
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$animations = $this->migrate_legacy_animation( $attributes ); |
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} |
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$css .= $this->build_animation_css( $base, $animations, Helper::get_responsive_devices() ); |
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|
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// Shared Advanced tab: Custom CSS + responsive visibility. |
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$css .= AtomicStyles::advanced_css( $base, $attributes ); |
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|
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return $css; |
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} |
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|
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/** Back-compat: convert the old single `animation` object to the new list. */ |
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protected function migrate_legacy_animation( $attributes ) { |
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$anim = isset( $attributes['animation'] ) && is_array( $attributes['animation'] ) ? $attributes['animation'] : []; |
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if ( empty( $anim['type'] ) ) { |
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return []; |
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} |
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$map = [ |
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'fadeIn' => [ 'fade', '' ], |
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'slideUp' => [ 'slide', 'bottom' ], |
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'slideDown' => [ 'slide', 'top' ], |
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'slideLeft' => [ 'slide', 'right' ], |
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'slideRight' => [ 'slide', 'left' ], |
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'zoomIn' => [ 'scale', '' ], |
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]; |
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$m = isset( $map[ $anim['type'] ] ) ? $map[ $anim['type'] ] : [ 'fade', '' ]; |
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return [ |
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[ |
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'id' => 'legacy', |
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'trigger' => 'load', |
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'effect' => $m[0], |
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'type' => 'in', |
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'direction' => $m[1], |
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'duration' => (float) ( ! empty( $anim['duration'] ) ? $anim['duration'] : 0.6 ) * 1000, |
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'delay' => (float) ( ! empty( $anim['delay'] ) ? $anim['delay'] : 0 ) * 1000, |
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'easing' => 'easeIn', |
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'repeat' => '', |
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'times' => 1, |
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'off' => [], |
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], |
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]; |
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} |
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|
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protected function keyframe_name( $a ) { |
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$effect = ! empty( $a['effect'] ) ? $a['effect'] : 'fade'; |
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$type = ( isset( $a['type'] ) && 'out' === $a['type'] ) ? 'out' : 'in'; |
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$dir = ! empty( $a['direction'] ) ? $a['direction'] : 'none'; |
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if ( 'slide' === $effect && empty( $a['direction'] ) ) { |
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$dir = 'top'; |
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} |
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return 'ablocks-a-' . $effect . '-' . $type . '-' . $dir; |
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} |
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|
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protected function offset_transform( $direction, $dist ) { |
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$n = -$dist; |
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$p = $dist; |
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switch ( $direction ) { |
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case 'top': return 'translateY(' . $n . 'px)'; |
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case 'bottom': return 'translateY(' . $p . 'px)'; |
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case 'left': return 'translateX(' . $n . 'px)'; |
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case 'right': return 'translateX(' . $p . 'px)'; |
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case 'top-left': return 'translate(' . $n . 'px, ' . $n . 'px)'; |
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case 'top-right': return 'translate(' . $p . 'px, ' . $n . 'px)'; |
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case 'bottom-left': return 'translate(' . $n . 'px, ' . $p . 'px)'; |
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case 'bottom-right': return 'translate(' . $p . 'px, ' . $p . 'px)'; |
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default: return ''; |
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} |
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} |
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|
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protected function keyframe_css( $a ) { |
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$effect = ! empty( $a['effect'] ) ? $a['effect'] : 'fade'; |
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$type = ( isset( $a['type'] ) && 'out' === $a['type'] ) ? 'out' : 'in'; |
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$direction = isset( $a['direction'] ) ? $a['direction'] : ''; |
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if ( 'slide' === $effect && '' === $direction ) { |
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$direction = 'top'; |
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} |
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$dist = ( 'slide' === $effect ) ? 60 : 24; |
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$translate = $this->offset_transform( $direction, $dist ); |
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$scale = ( 'scale' === $effect ) ? 'scale(0.85)' : ''; |
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$off = trim( $translate . ' ' . $scale ); |
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if ( '' === $off ) { |
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$off = 'none'; |
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} |
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$name = $this->keyframe_name( $a ); |
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if ( 'out' === $type ) { |
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return '@keyframes ' . $name . '{from{opacity:1;transform:none;}to{opacity:0;transform:' . $off . ';}}'; |
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} |
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return '@keyframes ' . $name . '{from{opacity:0;transform:' . $off . ';}to{opacity:1;transform:none;}}'; |
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} |
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|
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protected function iteration_count( $a ) { |
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if ( isset( $a['repeat'] ) && 'loop' === $a['repeat'] ) { |
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return 'infinite'; |
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} |
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if ( isset( $a['repeat'] ) && 'times' === $a['repeat'] ) { |
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$n = isset( $a['times'] ) ? (int) $a['times'] : 1; |
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return $n > 0 ? (string) $n : '1'; |
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} |
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return '1'; |
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} |
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|
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protected function anim_shorthand( $a ) { |
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$dur = ( isset( $a['duration'] ) && '' !== $a['duration'] ) ? $a['duration'] : 600; |
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$del = ( isset( $a['delay'] ) && '' !== $a['delay'] ) ? $a['delay'] : 0; |
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$easing = ( isset( $a['easing'] ) && isset( self::$easing_css[ $a['easing'] ] ) ) ? self::$easing_css[ $a['easing'] ] : self::$easing_css['easeIn']; |
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return $this->keyframe_name( $a ) . ' ' . $dur . 'ms ' . $easing . ' ' . $del . 'ms ' . $this->iteration_count( $a ) . ' both'; |
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} |
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|
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protected function trigger_suffix( $trigger ) { |
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switch ( $trigger ) { |
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case 'hover': return ':hover'; |
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case 'scrollIn': return '.ablocks-in-view'; |
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case 'click': return '.ablocks-anim-active'; |
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default: return ''; |
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} |
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} |
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|
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protected function build_animation_css( $base, $animations, $devices ) { |
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if ( empty( $animations ) || ! is_array( $animations ) ) { |
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return ''; |
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} |
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$css = ''; |
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|
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$seen = []; |
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foreach ( $animations as $a ) { |
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$name = $this->keyframe_name( $a ); |
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if ( ! isset( $seen[ $name ] ) ) { |
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$seen[ $name ] = true; |
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$css .= $this->keyframe_css( $a ); |
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} |
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} |
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|
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$has_scroll_in = false; |
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foreach ( $animations as $a ) { |
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if ( ( isset( $a['trigger'] ) ? $a['trigger'] : '' ) === 'scrollIn' && ( ! isset( $a['type'] ) || 'out' !== $a['type'] ) ) { |
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$has_scroll_in = true; |
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break; |
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} |
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} |
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if ( $has_scroll_in ) { |
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$css .= $base . '.ablocks-anim-scroll.ablocks-anim-ready:not(.ablocks-in-view){opacity:0;}'; |
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} |
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|
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foreach ( [ 'load', 'scrollIn', 'hover', 'click' ] as $trigger ) { |
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$group = array_filter( $animations, function ( $a ) use ( $trigger ) { |
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return ( isset( $a['trigger'] ) ? $a['trigger'] : 'load' ) === $trigger; |
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} ); |
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if ( empty( $group ) ) { |
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continue; |
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} |
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$sel = $base . $this->trigger_suffix( $trigger ); |
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$shorthand_for = function ( $device_id ) use ( $group ) { |
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$parts = []; |
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foreach ( $group as $a ) { |
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if ( empty( $a['off'][ $device_id ] ) ) { |
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$parts[] = $this->anim_shorthand( $a ); |
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} |
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} |
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return implode( ', ', $parts ); |
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}; |
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$desktop = $shorthand_for( 'Desktop' ); |
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if ( '' !== $desktop ) { |
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$css .= $sel . '{animation:' . $desktop . ';}'; |
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} |
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foreach ( $devices as $d ) { |
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if ( 'Desktop' === $d['id'] || ( empty( $d['max'] ) && empty( $d['min'] ) ) ) { |
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continue; |
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} |
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$sh = $shorthand_for( $d['id'] ); |
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if ( $sh !== $desktop ) { |
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$media = Helper::breakpoint_media_condition( isset( $d['min'] ) ? $d['min'] : 0, isset( $d['max'] ) ? $d['max'] : 0 ); |
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if ( '' !== $media ) { |
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$css .= '@media screen and ' . $media . '{' . $sel . '{animation:' . ( '' !== $sh ? $sh : 'none' ) . ';}}'; |
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} |
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} |
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} |
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} |
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|
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$scroll_on = array_filter( $animations, function ( $a ) { |
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return ( isset( $a['trigger'] ) ? $a['trigger'] : '' ) === 'scrollOn'; |
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} ); |
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if ( ! empty( $scroll_on ) ) { |
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$scrub = function ( $device_id ) use ( $scroll_on ) { |
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$parts = []; |
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foreach ( $scroll_on as $a ) { |
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if ( empty( $a['off'][ $device_id ] ) ) { |
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$parts[] = $this->keyframe_name( $a ) . ' 1000ms linear 0ms 1 both'; |
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} |
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} |
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return implode( ', ', $parts ); |
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}; |
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$desk = $scrub( 'Desktop' ); |
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if ( '' !== $desk ) { |
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$css .= $base . '{animation:' . $desk . ';animation-play-state:paused;}'; |
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} |
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foreach ( $devices as $d ) { |
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if ( 'Desktop' === $d['id'] || ( empty( $d['max'] ) && empty( $d['min'] ) ) ) { |
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continue; |
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} |
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$sh = $scrub( $d['id'] ); |
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if ( $sh !== $desk ) { |
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$media = Helper::breakpoint_media_condition( isset( $d['min'] ) ? $d['min'] : 0, isset( $d['max'] ) ? $d['max'] : 0 ); |
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if ( '' !== $media ) { |
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$css .= '@media screen and ' . $media . '{' . $base . '{animation:' . ( '' !== $sh ? $sh : 'none' ) . ';}}'; |
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} |
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} |
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} |
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} |
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|
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return $css; |
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} |
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} |
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|
