gocodebox/lifterlms

;/**
 * Quiz attempt review / grading UI & UX
 *
 * @since 3.16.0
 * @since 3.30.3 Unknown.
 * @version 5.3.0
 */( function( $ ) {

    /**
     * Handle UX for graving quiz attempts.
     *
     * @since 3.16.0
     * @since 3.30.3 Improve grading UX
     */
    var Grading = function() {

        /**
         * Bind DOM events
         *
         * @since 3.16.0
         * @since 3.16.9 Unknown.
         * @return {Void}
         */
        function bind() {

            $( 'button[name="llms_quiz_attempt_action"][value="llms_attempt_grade"]' ).one( 'click', function( e ) {

                e.preventDefault();

                $( this ).addClass( 'grading' );

                setup_fields();

            } );

        }

        /**
         * Create editable fields for grading / remarking
         *
         * @since 3.16.0
         * @since 3.30.3 When starting a review only toggle first item if it's hidden and always automatically focus on the remarks field.
         * @since 5.3.0 Exclude removed question items.
         *
         * @return {Grading}
         */
        function setup_fields() {

            $els = $( '.llms-quiz-attempt-question:not(.type--content):not(.type--removed)' );

            if ( $els.length < 1 ) {
                return;
            }

            var title  = LLMS.l10n.translate( 'Remarks to Student' ),
                points = LLMS.l10n.translate( 'points' );

            $els.each( function() {

                var id        = $( this ).attr( 'data-question-id' ),
                    $existing = $( this ).find( '.llms-quiz-attempt-answer-section.llms-remarks' ),
                    $ui       = $( '<div class="llms-quiz-attempt-answer-section llms-remarks" />' ),
                    $textarea = $( '<textarea class="llms-remarks-field" name="remarks[' + id + ']"></textarea>' )
                    gradeable = ( 'yes' === $( this ).attr( 'data-grading-manual' ) );

                $ui.append( '<p class="llms-quiz-results-label remarks">' + title + ':</p>' )
                $ui.append( $textarea );
                if ( gradeable ) {
                    var pts = $( this ).attr( 'data-points-curr' ),
                        max = $( this ).attr( 'data-points' );
                    $ui.append( '<input name="points[' + id + ']" max="' + max + '" min="0" type="number" value="' + pts + '"> / ' + max + ' ' + points );
                }

                if ( $existing.length ) {

                    $textarea.text( $existing.find( '.llms-remarks' ).text() );
                    $existing.replaceWith( $ui );

                } else {

                    $( this ).find( '.llms-quiz-attempt-question-main' ).append( $ui );

                }

            } );

            var $els_first = $els.first();
            if ( ! $els_first.find( '.llms-quiz-attempt-question-main' ).is( ':visible' ) ) {
                // expand the first question toggle.
                $els_first.find( '.toggle-answer' ).trigger( 'click' );
            }
            // focus on its remark textarea.
            $els_first.find( '.llms-remarks-field' ).focus();
        }

        bind();

        return this;

    };

    window.llms         = window.llms || {};
    window.llms.grading = new Grading();

} )( jQuery );