SwitchGPA

Hide the minor grades

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         SwitchGPA
// @namespace    http://ustcdos.club
// @version      0.3.0
// @description  Hide the minor grades
// @author       EnsZhou
// @match        *://jw.ustc.edu.cn/*
// @match        *://mail.ustc.edu.cn/*
// @grant        GM_addStyle
// @grant        GM_getResourceText
// @grant        GM_getResourceURL
// @resource     bs-sw https://cdn.bootcss.com/bootstrap-switch/4.0.0-alpha.1/css/bootstrap-switch.css
// @require      https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js
// @require      https://cdn.bootcss.com/bootstrap-switch/4.0.0-alpha.1/js/bootstrap-switch.js

// ==/UserScript==

(function () {
    'use strict';
    // Your code here...
    //console.log('script is running>>>');

    switch (window.location.host) {
        case 'mail.ustc.edu.cn':
            mail();
            break;
        case 'jw.ustc.edu.cn':
            jw();
            break;
    }


    function jw() {
        var times = 0;
        var hide_id = ['016S15', '016S02', '016S03'];

        var bs_sw = GM_getResourceText("bs-sw");
        GM_addStyle(bs_sw);
        var sw = document.createElement('input');
        sw.setAttribute('name', 'my-checkbox');
        sw.setAttribute('type', 'checkbox');
        $(".showFailed").append(sw);

        var state_global = false;



        setTimeout(() => {
            var callback = function (records) {
                //console.log('change');
                setTimeout(hide_show, 100);
            };

            var mo = new MutationObserver(callback);


            var slider_marks = $('.vue-slider-mark');
            var slider_dot_handles = $('.vue-slider-dot-handle');
            //console.log(slider_dot_handles);
            var options = {
                'attributes': true
            };
            for (var i = 0; i < slider_marks.length; i++) {
                mo.observe(slider_marks[i], options);
            }

            if (slider_dot_handles.length > 0) {
                mo.observe(slider_dot_handles[0], options);
                mo.observe(slider_dot_handles[1], options);
            }

        }, 500);




        $("[name='my-checkbox']").bootstrapSwitch({
            onText: '主修成绩',
            offText: '总成绩',
            offColor: 'info',
            labelText: '>>>',
            onSwitchChange: function (event, state) {
                state_global = state;
                hide_show();
            }
        });




        function hide_show(event, state) {
            times++;
            //console.log(times + '\nhide_show');


            var course_id = $('.course-name').children('small');
            var i, j;
            var match = false;
            for (i = 0; i < course_id.length; i++) {
                for (j = 0; j < hide_id.length; j++) {
                    if (course_id.eq(i).text() == hide_id[j]) {
                        match = true;
                        break;
                    }
                }

                if (state_global == true) {
                    $('.bootstrap-switch-label').text('<<<');
                    if (match == true) {
                        course_id.eq(i).parent().parent().hide();
                        course_id.eq(i).parent().parent().attr('name', 'sw-hide');
                    }
                    else {
                        course_id.eq(i).parent().parent().show();
                        course_id.eq(i).parent().parent().attr('name', 'sw-show');
                    }
                }
                else {
                    $('.bootstrap-switch-label').text('>>>');
                    course_id.eq(i).parent().parent().show();
                    course_id.eq(i).parent().parent().attr('name', 'sw-show');
                }
                match = false;

            }

            calculate_gpa();
        }



        function calculate_gpa() {
            var courses = $('.course-name').parent();
            var course, info;
            var point, grade, credit, gpa, weight_average, average;
            var sum_credit, sum_credit1, sum_credit2, sum1, sum2, sum_point, sum_point_courses;
            sum_credit = 0;
            sum_credit1 = 0;
            sum_credit2 = 0;
            sum_point = 0;
            sum_point_courses = 0;
            sum1 = 0;
            sum2 = 0;
            for (var i = 0; i < courses.length; i++) {
                course = courses.eq(i);
                if (course.attr('name') == 'sw-hide')
                    continue;
                info = course.children();
                credit = parseFloat(info[2].textContent);
                grade = parseFloat(info[3].textContent);
                point = parseFloat(info[4].textContent);
                if (!isNaN(grade)) {
                    sum_credit1 += credit;
                    sum1 += grade * credit;
                    switch (info[4].textContent) {
                        case 'A+': point = 97.5;
                            break;
                        case 'A': point = 92;
                            break;
                        case 'A-': point = 87;
                            break;
                        case 'B+': point = 84;
                            break;
                        case 'B': point = 79.5;
                            break;
                        case 'B-': point = 75;
                            break;
                        default: point = parseFloat(info[4].textContent);
                            break;
                    }
                    sum_point += point;
                    sum_point_courses++;
                    sum_credit2 += credit;
                    sum2 += point * credit;
                }
                sum_credit += credit;
            }
            gpa = sum1 / sum_credit1;
            weight_average = sum2 / sum_credit2;
            average = sum_point / sum_point_courses;
            var items = $('.overview').children().children();
            items.eq(0).children().eq(1).text(sum_credit);
            items.eq(1).children().eq(1).text(sum_credit);
            items.eq(2).children().eq(1).text(0);
            items.eq(3).children().eq(1).text(gpa.toFixed(2));
            items.eq(4).children().eq(1).text(weight_average.toFixed(2));
            items.eq(5).children().eq(1).text(average.toFixed(2));
        }
    }

    function mail() {
        $('#domainVal').text('mail.ustc.edu.cn');
        $('#domain').attr('value', 'mail.ustc.edu.cn');
    }





})();