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<?php |
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/** |
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* @package FireBox |
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* @version 1.0.0 Free |
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* |
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* @author FirePlugins <info@fireplugins.com> |
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* @link https://www.fireplugins.com |
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* @copyright Copyright © 2021 FirePlugins All Rights Reserved |
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* @license GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later |
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*/ |
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|
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namespace FireBox\Core\FB; |
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|
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if (!defined('ABSPATH')) |
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{ |
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exit; // Exit if accessed directly. |
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} |
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|
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class BoxBlocksParser |
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{ |
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public function __construct() |
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{ |
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// filter the post content by setting supported block attributes |
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add_filter('render_block', [$this, 'modify_block_output'], 10, 2); |
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} |
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|
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/** |
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* Filters the block output by appending out custom data attributes |
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* on our supported blocks |
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* |
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* @param string $block_content |
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* @param array $block |
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* |
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* @return string |
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*/ |
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public function modify_block_output($block_content, $block) |
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{ |
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if (!isset($block['blockName'])) |
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{ |
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return $block_content; |
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} |
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|
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$blockName = $block['blockName']; |
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|
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$parsable_blocks = [ |
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'core/buttons', |
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'core/image' |
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]; |
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|
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if (!in_array($blockName, $parsable_blocks)) |
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{ |
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return $block_content; |
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} |
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|
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/** |
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* Handle Core Buttons Block |
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*/ |
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if ($blockName == 'core/buttons') |
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{ |
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$buttons = isset($block['innerBlocks']) ? $block['innerBlocks'] : []; |
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if (!$buttons) |
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{ |
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return $block_content; |
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} |
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|
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foreach ($buttons as $button) |
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{ |
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$block_content = $this->replaceBlockAttributes('a', $button, $block_content); |
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} |
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} |
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/** |
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* Handle Core Image Block |
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*/ |
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else if ($blockName == 'core/image') |
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{ |
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$new_block_html = $block['innerHTML']; |
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|
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// check if we have an anchor element and add attributes to this elem. |
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$anchorExists = substr_count($new_block_html, '<a '); |
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|
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$element = $anchorExists ? 'a' : 'figure'; |
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|
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$block_content = $this->replaceBlockAttributes($element, $block, $block_content); |
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} |
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|
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return $block_content; |
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} |
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|
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/** |
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* Adds the data attributes and class($atts) to the given element($element) within the block content($block_content) |
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* |
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* @param string $element |
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* @param array $block |
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* @param string $block_element |
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* |
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* @return string |
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*/ |
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private function replaceBlockAttributes($element, $block, $block_content) |
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{ |
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$atts = $this->getBlockAttributes($block); |
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if (!$atts['enabled']) |
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{ |
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return $block_content; |
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} |
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|
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$new_block_html = $block['innerHTML']; |
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|
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// box |
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if ($atts['box']) |
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{ |
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$new_block_html = str_replace('<' . $element . ' ', '<' . $element . ' data-fbox="' . esc_attr($atts['box']) . '" ', $new_block_html); |
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} |
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|
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// cmd |
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if ($atts['cmd']) |
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{ |
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$new_block_html = str_replace('<' . $element . ' ', '<' . $element . ' data-fbox-cmd="' . esc_attr($atts['cmd']) . '" ', $new_block_html); |
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} |
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|
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// prevent default |
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$new_block_html = str_replace('<' . $element . ' ', '<' . $element . ' data-fbox-prevent="' . esc_attr((int) $atts['preventDefault']) . '" ', $new_block_html); |
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|
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// class |
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if ($atts['class']) |
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{ |
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$new_block_html = preg_replace('/<' . $element . '(.*)class="/', "<" . $element . "$1class=\"" . esc_attr($atts['class']) . ' ', $new_block_html); |
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} |
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|
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return str_replace($block['innerHTML'], $new_block_html, $block_content); |
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} |
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|
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/** |
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* Retrieves the block attributes |
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* |
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* @param array $block |
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* |
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* @return array |
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*/ |
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private function getBlockAttributes($block) |
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{ |
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$atts = []; |
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|
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$atts['enabled'] = isset($block['attrs']['dataFBoxEnabled']) ?: false; |
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$atts['box'] = isset($block['attrs']['dataFBox']) ? $block['attrs']['dataFBox'] : null; |
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$atts['cmd'] = isset($block['attrs']['dataFBoxCmd']) ? $block['attrs']['dataFBoxCmd'] : 'close'; |
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$atts['class'] = isset($block['attrs']['dataFBoxClass']) ? $block['attrs']['dataFBoxClass'] : ''; |
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$atts['preventDefault'] = isset($block['attrs']['dataFBoxPreventDefault']) ? $block['attrs']['dataFBoxPreventDefault'] : 1; |
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|
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return $atts; |
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} |
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} |
