class.llms.admin.assets.php

<?php
/**
 * Admin Assets
 *
 * @package LifterLMS/Admin/Classes
 *
 * @since 1.0.0
 * @version 5.9.0
 */

defined( 'ABSPATH' ) || exit;

/**
 * LLMS_Admin_Assets class
 *
 * @since 1.0.0
 */
class LLMS_Admin_Assets {

	/**
	 * Constructor
	 *
	 * @since 1.0.0
	 * @since 3.17.5 Unknown.
	 *
	 * @return void
	 */
	public function __construct() {

		add_action( 'admin_enqueue_scripts', array( $this, 'admin_styles' ) );
		add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts' ) );
		add_action( 'admin_print_scripts', array( $this, 'admin_print_scripts' ) );

	}

	/**
	 * Determine if the current screen should load LifterLMS assets
	 *
	 * @since 3.7.0
	 * @since 3.19.4 Unknown.
	 *
	 * @return bool
	 */
	public function is_llms_page() {

		$screen = get_current_screen();

		$id = str_replace( 'edit-', '', $screen->id );

		if ( false !== strpos( $id, 'lifterlms' ) ) {
			return true;
		} elseif ( false !== strpos( $id, 'llms' ) ) {
			return true;
		} elseif ( in_array( $id, array( 'course', 'lesson' ) ) ) {
			return true;
		} elseif ( ! empty( $screen->post_type ) && post_type_supports( $screen->post_type, 'llms-membership-restrictions' ) ) {
			return true;
		} elseif ( in_array( $screen->id, array( 'users' ) ) ) {
			return true;
		}

		return false;

	}

	/**
	 * Enqueue stylesheets
	 *
	 * @since 1.0.0
	 * @since 3.29.0 Unknown.
	 * @since 3.35.0 Explicitly set asset versions.
	 * @since 5.0.0 Use `LLMS_Assets` for registration/enqueue of styles.
	 * @since 5.5.0 Use `LLMS_Assets` for the enqueue of `llms-addons`.
	 *
	 * @return void
	 */
	public function admin_styles() {

		wp_enqueue_style( 'llms-admin-styles', LLMS_PLUGIN_URL . 'assets/css/admin' . LLMS_ASSETS_SUFFIX . '.css', array(), LLMS()->version );
		wp_style_add_data( 'llms-admin-styles', 'rtl', 'replace' );
		wp_style_add_data( 'llms-admin-styles', 'suffix', LLMS_ASSETS_SUFFIX );

		if ( ! $this->is_llms_page() ) {
			return;
		}

		llms()->assets->enqueue_style( 'llms-select2-styles' );

		$screen = get_current_screen();

		if ( 'lifterlms_page_llms-add-ons' === $screen->id || 'lifterlms_page_llms-settings' === $screen->id ) {
			llms()->assets->enqueue_style( 'llms-admin-add-ons' );
		}

	}

	/**
	 * Enqueue scripts
	 *
	 * @since 1.0.0
	 * @since 3.22.0 Unknown.
	 * @since 3.35.0 Explicitly set asset versions.
	 * @since 3.35.1 Don't reference external scripts & styles.
	 * @since 4.3.3 Move logic for reporting/analytics scripts to `maybe_enqueue_reporting()`.
	 * @since 4.4.0 Enqueue the main `llms` script.
	 * @since 5.0.0 Clean up duplicate references to llms-select2 and register the script using `LLMS_Assets`.
	 *               Remove topModal vendor dependency.
	 *               Add `llms-admin-forms` on the forms post table screen.
	 * @since 5.5.0 Use `LLMS_Assets` for the enqueue of `llms-admin-add-ons`.
	 *
	 * @return void
	 */
	public function admin_scripts() {

		global $post_type;
		$screen = get_current_screen();

		if ( 'widgets' === $screen->id ) {

			wp_enqueue_script( 'llms-widget-syllabus', LLMS_PLUGIN_URL . 'assets/js/llms-widget-syllabus' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), LLMS()->version, true );

		}

		llms()->assets->register_script( 'llms-select2' );
		wp_register_script( 'llms-metaboxes', LLMS_PLUGIN_URL . 'assets/js/llms-metaboxes' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery', 'jquery-ui-datepicker', 'llms-admin-scripts', 'llms-select2' ), LLMS()->version, true );

		if ( ( post_type_exists( $screen->id ) && post_type_supports( $screen->id, 'llms-membership-restrictions' ) ) || 'dashboard_page_llms-setup' === $screen->id ) {
			wp_enqueue_script( 'llms-metaboxes' );
		}

		$tables = apply_filters(
			'llms_load_table_resources_pages',
			array(
				'course',
				'lifterlms_page_llms-reporting',
				'llms_membership',
			)
		);
		if ( in_array( $screen->id, $tables ) ) {
			wp_register_script( 'llms-admin-tables', LLMS_PLUGIN_URL . 'assets/js/llms-admin-tables' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), LLMS()->version, true );
			wp_enqueue_script( 'llms-admin-tables' );
		}

		wp_register_script( 'llms', LLMS_PLUGIN_URL . 'assets/js/llms' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), LLMS()->version, true );
		wp_register_script( 'llms-admin-scripts', LLMS_PLUGIN_URL . 'assets/js/llms-admin' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery', 'llms', 'llms-select2' ), LLMS()->version, true );

		if ( $this->is_llms_page() ) {

			llms()->assets->enqueue_script( 'llms' );

			wp_enqueue_script( 'jquery-ui-datepicker' );
			wp_enqueue_script( 'jquery-ui-sortable' );

			wp_enqueue_script( 'llms-admin-scripts' );

			wp_register_style( 'jquery-ui-flick', LLMS_PLUGIN_URL . 'assets/vendor/jquery-ui-flick/jquery-ui-flick' . LLMS_ASSETS_SUFFIX . '.css', array(), '1.11.2' );
			wp_enqueue_style( 'jquery-ui-flick' );

			wp_enqueue_script( 'llms-ajax', LLMS_PLUGIN_URL . 'assets/js/llms-ajax' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), LLMS()->version, true );

			wp_enqueue_media();

			if ( 'course' == $post_type ) {

				wp_enqueue_script( 'llms-metabox-fields', LLMS_PLUGIN_URL . 'assets/js/llms-metabox-fields' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), LLMS()->version, true );
			}

			if ( 'course' == $post_type || 'llms_membership' == $post_type ) {

				wp_enqueue_script( 'llms-metabox-students', LLMS_PLUGIN_URL . 'assets/js/llms-metabox-students' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery', 'llms-select2' ), LLMS()->version, true );
				wp_enqueue_script( 'llms-metabox-product', LLMS_PLUGIN_URL . 'assets/js/llms-metabox-product' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery', 'llms' ), LLMS()->version, true );
				wp_enqueue_script( 'llms-metabox-instructors', LLMS_PLUGIN_URL . 'assets/js/llms-metabox-instructors' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery', 'llms' ), LLMS()->version, true );

			}

			if ( 'lesson' == $post_type ) {
				wp_enqueue_script( 'llms-metabox-fields', LLMS_PLUGIN_URL . 'assets/js/llms-metabox-fields' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), LLMS()->version, true );
			}
			if ( 'llms_certificate' == $post_type ) {

				wp_enqueue_script( 'llms-metabox-certificate', LLMS_PLUGIN_URL . 'assets/js/llms-metabox-certificate' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), LLMS()->version, true );
			}
			if ( 'llms_achievement' == $post_type ) {

				wp_enqueue_script( 'llms-metabox-achievement', LLMS_PLUGIN_URL . 'assets/js/llms-metabox-achievement' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), LLMS()->version, true );
			}
			if ( 'llms_membership' == $post_type ) {
				wp_enqueue_script( 'llms-metabox-fields', LLMS_PLUGIN_URL . 'assets/js/llms-metabox-fields' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), LLMS()->version, true );
			}
			if ( 'llms_voucher' == $post_type ) {

				wp_enqueue_script( 'llms-metabox-voucher', LLMS_PLUGIN_URL . 'assets/js/llms-metabox-voucher' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), LLMS()->version, true );
			}

			$this->maybe_enqueue_reporting( $screen );

			wp_enqueue_script( 'llms' );
			wp_enqueue_script( 'llms-metaboxes' );

			// Load forms advert/compat script.
			if ( 'edit-llms_form' === $screen->id ) {
				llms()->assets->enqueue_script( 'llms-admin-forms' );
			}
		}

		if ( 'lifterlms_page_llms-settings' == $screen->id ) {

			wp_enqueue_media();
			wp_enqueue_script( 'llms-admin-settings', LLMS_PLUGIN_URL . 'assets/js/llms-admin-settings' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery', 'jquery-ui-sortable' ), LLMS()->version, true );

		} elseif ( 'admin_page_llms-course-builder' === $screen->id ) {

			self::register_quill();

			wp_enqueue_editor();

			wp_enqueue_style( 'llms-builder-styles', LLMS_PLUGIN_URL . 'assets/css/builder' . LLMS_ASSETS_SUFFIX . '.css', array( 'llms-quill-bubble' ), LLMS()->version, 'screen' );
			wp_style_add_data( 'llms-builder-styles', 'rtl', 'replace' );
			wp_style_add_data( 'llms-builder-styles', 'suffix', LLMS_ASSETS_SUFFIX );

			wp_enqueue_style( 'webui-popover', LLMS_PLUGIN_URL . 'assets/vendor/webui-popover/jquery.webui-popover' . LLMS_ASSETS_SUFFIX . '.css', array(), '1.2.15' );
			wp_style_add_data( 'webui-popover', 'suffix', LLMS_ASSETS_SUFFIX );

			wp_enqueue_script( 'webui-popover', LLMS_PLUGIN_URL . 'assets/vendor/webui-popover/jquery.webui-popover' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), LLMS()->version, true );
			wp_enqueue_style( 'llms-datetimepicker', LLMS_PLUGIN_URL . 'assets/vendor/datetimepicker/jquery.datetimepicker.min.css', array(), '1.3.4' );
			wp_enqueue_script( 'llms-datetimepicker', LLMS_PLUGIN_URL . 'assets/vendor/datetimepicker/jquery.datetimepicker.full' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery' ), '1.3.4', true );

			if ( apply_filters( 'llms_builder_use_heartbeat', true ) ) {
				wp_enqueue_script( 'heartbeat' );
			}

			wp_enqueue_script( 'llms-builder', LLMS_PLUGIN_URL . 'assets/js/llms-builder' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery', 'jquery-ui-sortable', 'jquery-ui-draggable', 'backbone', 'underscore', 'post', 'llms-quill' ), LLMS()->version, true );

		} elseif ( 'lifterlms_page_llms-add-ons' === $screen->id ) {
			llms()->assets->enqueue_script( 'llms-addons' );
		}

	}

	/**
	 * Initialize the "llms" object for other scripts to hook into
	 *
	 * @since 1.0.0
	 * @since 3.7.5 Unknown.
	 * @since 4.4.0 Add `ajax_nonce`.
	 * @since 4.5.1 Add an analytics localization object.
	 * @since 5.0.0 Output Form location information as a window variable for block editor utilization.
	 * @since 5.9.0 Use `wp_slash()` after `wp_json_encode()` to prevent issues encountered when strings contain single quotes.
	 *
	 * @return void
	 */
	public function admin_print_scripts() {

		$screen = get_current_screen();

		global $post;

		$postdata = array();

		if ( ! empty( $post ) ) {

			$postdata = array(
				'id'        => $post->ID,
				'post_type' => $post->post_type,
			);

		}

		echo '
			<script type="text/javascript">
				window.llms = window.llms || {};
				window.llms.ajax_nonce = "' . wp_create_nonce( LLMS_AJAX::NONCE ) . '";
				window.llms.admin_url = "' . admin_url() . '";
				window.llms.post = ' . json_encode( $postdata ) . ';
				window.llms.analytics = ' . json_encode( $this->get_analytics_options() ) . ';
			</script>
		';

		echo '<script type="text/javascript">window.LLMS = window.LLMS || {};</script>';
		echo '<script type="text/javascript">window.LLMS.l10n = window.LLMS.l10n || {}; window.LLMS.l10n.strings = ' . LLMS_L10n::get_js_strings( true ) . ';</script>';

		$forms = LLMS_Forms::instance()->get_post_type();

		if ( $forms === $screen->id ) {
			echo "<script>window.llms.formLocations = JSON.parse( '" . wp_slash( wp_json_encode( LLMS_Forms::instance()->get_locations() ) ) . "' );</script>";
		}

		if ( ! empty( $screen->is_block_editor ) || 'customize' === $screen->base ) {
			echo "<script>window.llms.userInfoFields = JSON.parse( '" . wp_slash( wp_json_encode( llms_get_user_information_fields_for_editor() ) ) . "' );</script>";
		}

	}

	/**
	 * Retrieve an array of options used to localize the `llms.analytics` JS instance.
	 *
	 * @since 4.5.1
	 *
	 * @return array
	 */
	protected function get_analytics_options() {

		/**
		 * Create a number format string readable by google charts
		 *
		 * Replacing `9.9` with `9,9` and `0,0` with `0.0` to prevent loading errors encountered
		 * as a result of the chart pattern not allowing usage of a comma for the decimal separator.
		 *
		 * @see https://stackoverflow.com/a/18204679/400568
		 */
		$currency_format = str_replace( array( '9.9', '0,0', '9' ), array( '9,9', '0.0', '#' ), llms_price_raw( 9990.00 ) );

		/**
		 * Customize Javascript localization options passed to the `llms.analytics` JS instance.
		 *
		 * @since 4.5.1
		 *
		 * @param array $opts Associative array of option data.
		 */
		return apply_filters( 'llms_get_analytics_js_options', compact( 'currency_format' ) );

	}

	/**
	 * Register and enqueue scripts used on and related-to reporting and analytics
	 *
	 * @since 4.3.3
	 * @since 5.9.0 Stop using deprecated `FILTER_SANITIZE_STRING`.
	 *
	 * @param WP_Sreen $screen Screen object from WP `get_current_screen()`.
	 * @return void
	 */
	protected function maybe_enqueue_reporting( $screen ) {

		if ( in_array( $screen->base, array( 'lifterlms_page_llms-reporting', 'lifterlms_page_llms-settings' ), true ) ) {

			$current_tab = llms_filter_input( INPUT_GET, 'tab' );

			wp_register_script( 'llms-google-charts', LLMS_PLUGIN_URL . 'assets/js/vendor/gcharts-loader.min.js', array(), '2019-09-04', false );
			wp_register_script( 'llms-analytics', LLMS_PLUGIN_URL . 'assets/js/llms-analytics' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery', 'llms', 'llms-admin-scripts', 'llms-google-charts' ), LLMS()->version, true );

			// Settings "general" tab where we have analytics widgets.
			if ( 'lifterlms_page_llms-settings' === $screen->base && ( is_null( $current_tab ) || 'general' === $current_tab ) ) {

				wp_enqueue_script( 'llms-analytics' );

			} elseif ( 'lifterlms_page_llms-reporting' === $screen->base ) {

				if ( in_array( $current_tab, array( 'enrollments', 'sales' ), true ) ) {
					wp_enqueue_script( 'llms-analytics' );
				} elseif ( 'quizzes' === $current_tab && 'attempts' === llms_filter_input( INPUT_GET, 'stab' ) ) {
					wp_enqueue_script( 'llms-quiz-attempt-review', LLMS_PLUGIN_URL . 'assets/js/llms-quiz-attempt-review' . LLMS_ASSETS_SUFFIX . '.js', array( 'jquery', 'llms' ), LLMS()->version, true );
				}
			}
		}

	}

	/**
	 * Register Quill CSS & JS
	 *
	 * @since 3.16.0
	 * @since 3.17.8 Unknown.
	 *
	 * @return void
	 */
	public static function register_quill( $modules = array() ) {

		if ( ! wp_script_is( 'llms-quill', 'registered' ) ) {

			wp_register_script( 'llms-quill', LLMS_PLUGIN_URL . 'assets/vendor/quill/quill' . LLMS_ASSETS_SUFFIX . '.js', array(), '1.3.5', true );
			wp_register_style( 'llms-quill-bubble', LLMS_PLUGIN_URL . 'assets/vendor/quill/quill.bubble' . LLMS_ASSETS_SUFFIX . '.css', array(), '1.3.5', 'screen' );

		}

		foreach ( $modules as $module ) {

			$url = LLMS_PLUGIN_URL . 'assets/vendor/quill/quill.module.' . $module . LLMS_ASSETS_SUFFIX . '.js';
			wp_register_script( 'llms-quill-' . $module, $url, array( 'llms-quill' ), LLMS()->version, true );

		}

	}

}

return new LLMS_Admin_Assets();