SwitchGPA

Hide the minor grades
换行
// ==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');
    }





})();
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