awsmug/torro-forms

<?php
/**
 * Template tag handler manager class
 *
 * @package TorroForms
 * @since 1.0.0
 */

namespace awsmug\Torro_Forms\Components;

use Leaves_And_Love\Plugin_Lib\Service;
use Leaves_And_Love\Plugin_Lib\Fields\Field_Manager;

/**
 * Class for managing template tag handlers.
 *
 * @since 1.0.0
 */
class Template_Tag_Handler_Manager extends Service {

    /**
     * Registered template tag handlers.
     *
     * @since 1.0.0
     * @var array
     */
    private $handlers = array();

    /**
     * Constructor.
     *
     * @since 1.0.0
     *
     * @param string $prefix Instance prefix.
     */
    public function __construct( $prefix ) {
        $this->set_prefix( $prefix );

        Field_Manager::register_field_type( 'templatetagtext', Template_Tag_Text_Field::class );
        Field_Manager::register_field_type( 'templatetagemail', Template_Tag_Email_Field::class );
        Field_Manager::register_field_type( 'templatetagwysiwyg', Template_Tag_WYSIWYG_Field::class );
    }

    /**
     * Registers a template tag handler.
     *
     * @since 1.0.0
     *
     * @param Template_Tag_Handler $template_tag_handler Template tag handler to register.
     * @return bool True on success, false on failure.
     */
    public function register( $template_tag_handler ) {
        $slug = $template_tag_handler->get_slug();

        if ( $this->exists( $slug ) ) {
            return false;
        }

        $this->handlers[ $slug ] = $template_tag_handler;

        return true;
    }

    /**
     * Unregisters a template tag handler.
     *
     * @since 1.0.0
     *
     * @param string $slug Template tag handler slug.
     * @return bool True on success, false on failure.
     */
    public function unregister( $slug ) {
        if ( ! $this->exists( $slug ) ) {
            return false;
        }

        unset( $this->handlers[ $slug ] );

        return true;
    }

    /**
     * Checks whether a specific template tag handler is registered.
     *
     * @since 1.0.0
     *
     * @param string $slug Template tag handler slug.
     * @return bool True if handler is registered, false otherwise.
     */
    public function exists( $slug ) {
        return isset( $this->handlers[ $slug ] );
    }

    /**
     * Gets a registered template tag handler.
     *
     * @since 1.0.0
     *
     * @param string $slug Template tag handler slug.
     * @return Template_Tag_Handler|null Template tag handler, or null if not registered.
     */
    public function get( $slug ) {
        if ( ! $this->exists( $slug ) ) {
            return null;
        }

        return $this->handlers[ $slug ];
    }
}