File elements/modal.php

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<?php

namespace SIW\Elements;

use SIW\HTML;

/**
 * Class om een Modal te genereren
 * 
 * @copyright 2019-2020 SIW Internationale Vrijwilligersprojecten
 * @since     3.0.0
 */
class Modal {

    /**
     * Versienummer
     * 
     * @var string
     */
    const MICROMODAL_VERSION = '0.4.2';

    /**
     * ID van modal
     *
     * @var string
     */
    protected $id;

    /**
     * Titel van de modal
     *
     * @var string
     */
    protected $title;

    /**
     * Inhoud van de modal
     *
     * @var string
     */
    protected $content;

    /**
     * Init
     *
     * @param string $id
     */
    public function __construct( string $id = null ) {
        $this->enqueue_styles();
        $this->enqueue_scripts();
        $this->id = ( null === $id ) ? uniqid( 'siw-modal-' ) : "siw-modal-{$id}";
        
        add_action( 'wp_footer', [ $this, 'render_modal'] );

        //Tijdelijke fix
        add_filter( 'rocket_exclude_js', [ $this, 'exclude_js_from_combine' ] );
    }

    /**
     * Voegt styles toe
     */
    protected function enqueue_styles() {
        wp_register_style( 'siw-modal', SIW_ASSETS_URL . 'css/elements/siw-modal.css', [], SIW_PLUGIN_VERSION );
        wp_enqueue_style( 'siw-modal' );
    }

    /**
     * Voegt scripts toe
     */
    protected function enqueue_scripts() {
        wp_register_script( 'micromodal', SIW_ASSETS_URL . 'modules/micromodal/micromodal.js', [], self::MICROMODAL_VERSION, true );
        wp_register_script( 'siw-modal', SIW_ASSETS_URL . 'js/elements/siw-modal.js', [ 'micromodal' ], SIW_PLUGIN_VERSION, true );
        wp_localize_script(
            'siw-modal',
            'siw_modal',
            [
                'openTrigger'         => 'data-modal-open',
                'closeTrigger'        => 'data-modal-close',
                'disableScroll'       => true,
                'disableFocus'        => false,
                'awaitOpenAnimation'  => true,
                'awaitCloseAnimation' => true,
                'debugMode'           => defined( 'WP_DEBUG' ) && WP_DEBUG,
        ]);
        wp_enqueue_script( 'siw-modal' );
    }

    /**
     * JS-bestanden uitsluiten van minification/concatenation
     *
     * @param array $excluded_files
     * @return array
     */
    public function exclude_js_from_combine( array $excluded_files ) {
        $excluded_files[] = wp_make_link_relative( SIW_ASSETS_URL . 'modules/micromodal/micromodal.js' );
        $excluded_files[] = wp_make_link_relative( SIW_ASSETS_URL . 'js/elements/siw-modal.js' );
        return $excluded_files;
    }


    /**
     * Rendert modal
     */
    public function render_modal() {
        $modal = sprintf( '<div class="modal micromodal-slide" id="%s" aria-hidden="true">', $this->id );
        $modal .= '<div class="modal-overlay" tabindex="-1" data-micromodal-close>';
        $modal .= sprintf( '<div class="modal-container" role="dialog" aria-modal="true" aria-labelledby="%s-title">', $this->id );
        $modal .= $this->generate_header() . $this->generate_body() . $this->generate_footer();
        $modal .= '</div>';
        $modal .= '</div>';
        $modal .= '</div>';
        $modal .= '</div>';
        echo $modal;
    }

    /**
     * Genereert titel van de modal
     *
     * @return string
     */
    protected function generate_header() {
        $header = '<header class="modal-header">';
        $header .= sprintf( '<h4 class="modal-title" id="%s-title">%s</h4>', $this->id, $this->title );
        $header .= sprintf( '<button class="modal-close" aria-label="%s" data-micromodal-close></button>', esc_html__( 'Sluiten', 'siw' ) );
        $header .= '</header>';

        return $header;
    }

    /**
     * Genereert body van de modal
     *
     * @return string
     */
    protected function generate_body() {
        return HTML::generate_tag(
            'main',
            [
                'class' => 'modal-body',
                'id'    => "{$this->id}-content"
            ],
            wpautop( wp_kses_post( $this->content ) ),
            true
        );
    }

    /**
     * Genereert footer van de modal
     *
     * @return string
     */
    protected function generate_footer() {
        $button = sprintf(
            '<button class="kad-btn" data-micromodal-close aria-label="%s">%s</button>',
            esc_html__( 'Sluit deze dialoog', 'siw' ),
            esc_html__( 'Sluiten', 'siw' )
        );
        return HTML::generate_tag( 'footer', [ 'class' => 'modal-footer'], $button, true );
    }

    /**
     * Zet de titel van de modal
     *
     * @param string $title
     */
    public function set_title( string $title ) {
        $this->title = $title;
    }

    /**
     * Genereert link voor modal
     *
     * @param string $text
     * @param string $link
     *
     * @return string
     */
    public function generate_link( string $text, string $link = null ) {
        $link = HTML::generate_link(
            $link ?? '#',
            $text,
            [ 'data-micromodal-trigger' => $this->id, 'target' => '_blank' ] //TODO: optie voor target?
        );
        return $link;
    }

    /**
     * Zet inhoud van modal
     *
     * @param string $content
     */
    public function set_content( string $content ) {
        $this->content = $content;
    }

    /**
     * Geeft gegenereerde id van modal terug
     *
     * @return string
     */
    public function get_id() {
        return $this->id;
    }

}

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