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<?php
namespace Elementor\Modules\GlobalClasses\Usage;
/**
* Tracks usage of a specific global CSS class across multiple Elementor documents.
*/
class Css_Class_Usage {
/** @var string */
private string $class_id;
/** @var int */
private int $total = 0;
/**
* @var array<int, array{
* title: string,
* total: int,
* elements: string[],
* type?: string
* }>
*/
private array $pages = [];
/**
* Constructor.
*
* @param string $class_id Global CSS class ID.
*/
public function __construct( string $class_id ) {
$this->class_id = $class_id;
}
/**
* Track usage of this class on a specific document and element.
*
* @param int $page_id Document ID.
* @param string $page_title Document title.
* @param string $element_id Element ID using this class.
* @param string|null $document_type Optional document type (e.g. header, footer, etc).
*/
public function track_usage( int $page_id, string $page_title, string $element_id, ?string $document_type = null ): void {
++$this->total;
if ( ! isset( $this->pages[ $page_id ] ) ) {
$this->pages[ $page_id ] = [
'title' => $page_title,
'total' => 0,
'elements' => [],
];
if ( $document_type ) {
$this->pages[ $page_id ]['type'] = $document_type;
}
}
++$this->pages[ $page_id ]['total'];
$this->pages[ $page_id ]['elements'][] = $element_id;
}
/**
* Merge usage data from another instance with the same class ID.
*
* @param Css_Class_Usage $other The other usage object to merge in.
*
* @throws \InvalidArgumentException If the class IDs do not match.
*/
public function merge( Css_Class_Usage $other ): void {
if ( $other->get_class_id() !== $this->class_id ) {
throw new \InvalidArgumentException( 'Mismatched class ID' );
}
$this->total += $other->get_total_usage();
foreach ( $other->get_pages() as $page_id => $data ) {
if ( ! isset( $this->pages[ $page_id ] ) ) {
$this->pages[ $page_id ] = $data;
} else {
$this->pages[ $page_id ]['total'] += $data['total'];
$this->pages[ $page_id ]['elements'] = array_merge(
$this->pages[ $page_id ]['elements'],
$data['elements']
);
if ( empty( $this->pages[ $page_id ]['type'] ) && ! empty( $data['type'] ) ) {
$this->pages[ $page_id ]['type'] = $data['type'];
}
}
}
}
/**
* Get the global class ID this instance tracks.
*
* @return string
*/
public function get_class_id(): string {
return $this->class_id;
}
/**
* Get the total number of elements using this class.
*
* @return int
*/
public function get_total_usage(): int {
return $this->total;
}
/**
* Get a map of document usages.
*
* @return array<int, array{title: string, total: int, elements: string[], type?: string}>
*/
public function get_pages(): array {
return $this->pages;
}
}