<?php
/**
 * Customizer Multi-Check Control
 *
 * @package Total WordPress Theme
 * @subpackage Customizer
 * @version 4.4
 */

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'WPEX_Customize_Multicheck_Control' ) ) {

	class WPEX_Customize_Multicheck_Control extends WP_Customize_Control {
		
		public $description = '';
		public $subtitle = '';
		private static $firstLoad = true;
		
		// Since theme_mod cannot handle multichecks, we will do it with some JS
		public function render_content() {

			// the saved value is an array. convert it to csv
			if ( is_array( $this->value() ) ) {
				$savedValueCSV = implode( ',', $this->value() );
				$values = $this->value();
			} else {
				$savedValueCSV = $this->value();
				$values = explode( ',', $this->value() );
			}
			if ( self::$firstLoad ) {
				self::$firstLoad = false; ?>

				<script>
				jQuery(document).ready( function($) {
					"use strict";
					$( 'input.tf-multicheck' ).change( function(event) {
						event.preventDefault();
						var csv = '';
						$( this ).parents( 'li:eq(0)' ).find( 'input[type=checkbox]' ).each( function() {
							if ($( this ).is( ':checked' )) {
								csv += $( this ).attr( 'value' ) + ',';
							}
						} );
						csv = csv.replace(/,+$/, "");
						$( this ).parents( 'li:eq(0)' ).find( 'input[type=hidden]' ).val(csv)
						// we need to trigger the field afterwards to enable the save button
						.trigger( 'change' );
						return true;
					} );
				} );
				</script>
				<?php
			} ?>
			
			<label class='tf-multicheck-container'>

				<?php
				// Label
				if ( ! empty( $this->label ) ) : ?>

					<label><span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span></label>

				<?php endif; ?>

				<?php
				// Description
				if ( ! empty( $this->description ) ) : ?>

					<span class="description customize-control-description">
						<?php echo wp_strip_all_tags( $this->description ); ?>
					</span>

				<?php endif; ?>


				<?php
				// Subtitle
				if ( ! empty( $this->subtitle ) ) : ?>
					<div class="customizer-subtitle"><?php echo $this->subtitle; ?></div>
				<?php endif; ?>

				<?php
				// Select options
				foreach ( $this->choices as $value => $label ) {
					printf( '<label for="%s"><input class="tf-multicheck" id="%s" type="checkbox" value="%s" %s/> %s</label><br>',
						$this->id . $value,
						$this->id . $value,
						esc_attr( $value ),
						checked( in_array( $value, $values ), true, false ),
						$label
					);
				}
				?>
				<input type="hidden" value="<?php echo esc_attr( $savedValueCSV ); ?>" <?php $this->link(); ?> />
			</label>

			<?php
		}
	}

}