GPA Calculator for new version of info.thu
// ==UserScript==
// @name gpa_calcII
// @version 2.0
// @namespace http://wutj.info/
// @description GPA Calculator for new version of info.thu
// @include http://zhjw.cic.tsinghua.edu.cn/cj.cjCjbAll.do?m=bks_yxkccj*
// @include http://zhjw.cic.thu.edu.cn/cj.cjCjbAll.do?m=bks_yxkccj*
// @include http://zhjw.cic.tsinghua.edu.cn/cj.cjCjbAll.do?m=yjs_yxkccj*
// @include http://zhjw.cic.thu.edu.cn/cj.cjCjbAll.do?m=yjs_yxkccj*
// @include https://sslvpn.tsinghua.edu.cn:11001/cj.cjCjbAll.do?m=bks_yxkccj*
// @include https://sslvpn.tsinghua.edu.cn:11001/cj.cjCjbAll.do?m=yjs_yxkccj*
// ==/UserScript==
var hwnd_Move=0;
var hwnd_Opacity=0;
var t=0;
var gt=new Array(0,0,0);
function main()
{
var htm, i;
var j = [0,0,0];
var tbls = document.getElementsByTagName("table");
var tbl1;
for (i=0; i<tbls.length; i++) {
tbl1 = tbls[i];
if (tbl1.textContent.indexOf('课程号')>0) {
break;
}
}
var trs = tbl1.getElementsByTagName("TR");
for (i=1; i<trs.length; i++) {
var tds = trs[i].getElementsByTagName("TD");
if (tds.length != 11) continue;
var g = tds[3].textContent;
var s = tds[5].textContent;
var typ = tds[7].textContent;
if (typ.indexOf("必修")>=0 || typ.indexOf("是")>=0)
typ = 0;
else if (typ.indexOf("限选")>=0)
typ = 1;
else
typ = 2;
gt[typ]+=parseInt(g);
if (!parseInt(s)) continue;
s = parseInt(s);
var id = "chk"+typ+"_"+j[typ];
j[typ]++;
htm = '<input type="checkbox" name="'+id+'" id="'+id+'" checked g="'+g+'" s="'+s+'"/>';
tds[0].innerHTML = tds[0].textContent + htm;
document.getElementById(id).addEventListener("change", toggle_one, false);
}
document.getElementsByTagName("TH")[0].width = "85px";
openEx("gpa_disp");
htm = '<table cellspacing="2px" style="border:dashed 1px grey; background-color:#F8F8F8"><tr><td>';
htm +='GPA算法: <select id="gpa_sel" >';
for (i=0; i<gptable.length; i++) {
var n = gptable[i][0];
htm +='<option value="'+i+'">'+n+'</option>';
}
htm +='</select >';
htm +='<input type="checkbox" name="chk_weighted" id="chk_weighted" checked />加权平均';
htm +='</td></tr>';
htm +='<tr><td id="td_content">';
htm +='<table>';
htm +='<tr>';
htm +='<td><input type="checkbox" name="chk0" id="chk0" checked />必修课:</td>';
htm +='<td style="color:grey">总学分</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s01"></span></td>';
htm +='<td style="color:grey">选中学分</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s02"></span></td>';
htm +='<td style="color:grey">平均成绩</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s03"></span>';
htm +='<td style="color:grey">平均绩点</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s04"></span>';
htm +='</td></tr>';
htm +='<tr>';
htm +='<td><input type="checkbox" name="chk1" id="chk1" checked />限选课:</td>';
htm +='<td style="color:grey">总学分</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s11"></span></td>';
htm +='<td style="color:grey">选中学分</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s12"></span></td>';
htm +='<td style="color:grey">平均成绩</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s13"></span></td>';
htm +='<td style="color:grey">平均绩点</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s14"></span></td>';
htm +='</tr>';
htm +='<tr>';
htm +='<td><input type="checkbox" name="chk2" id="chk2" checked />任选课:</td>';
htm +='<td style="color:grey">总学分</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s21"></span></td>';
htm +='<td style="color:grey">选中学分</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s22"></span></td>';
htm +='<td style="color:grey">平均成绩</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s23"></span>';
htm +='<td style="color:grey">平均绩点</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s24"></span></td>';
htm +='</td></tr>';
htm +='<tr><td> 总计:</td><td style="color:grey">';
htm +='总学分</td><td>';
htm +='<span style="font-weight:bold; color:#A00020" id="s31"></span></td>';
htm +='<td style="color:grey">选中学分</td><td>';
htm +='<span style="font-weight:bold; color:#A00020" id="s32"></span></td>';
htm +='<td style="color:grey">平均成绩</td><td>';
htm +='<span style="font-weight:bold; color:#A00020" id="s33"></span>';
htm +='<td style="color:grey">平均绩点</td><td>';
htm +='<span style="font-weight:bold; color:#0020A0" id="s34"></span></td>';
htm +='</td></tr>';
htm +='</table>';
htm +='</td></tr>';
htm +='</table>';
document.getElementById("gpa_disp").innerHTML = htm;
setTimeout(function () {opacityEx("gpa_disp")}, 50);
document.getElementById("gpa_sel").addEventListener("change", toggle_type, false);
document.getElementById("chk0").addEventListener("change", toggle_all, false);
document.getElementById("chk1").addEventListener("change", toggle_all, false);
document.getElementById("chk2").addEventListener("change", toggle_all, false);
document.getElementById("chk_weighted").addEventListener("change", update_gpa, false);
update_gpa();
}
function toggle_all()
{
var id = this.id;
var obj;
for (var i=0; (obj=document.getElementById(id+"_"+i)); i++) {
obj.checked = this.checked;
}
update_gpa();
}
function toggle_one()
{
update_gpa();
}
function toggle_type()
{
t=parseInt(this.value);
update_gpa();
}
function update_gpa()
{
var obj;
var weighted = document.getElementById("chk_weighted").checked;
var baseid = "chk0";
var g=new Array(0,0,0,0);
var s=new Array(0,0,0,0);
var p=new Array(0,0,0,0);
var course_cnt, course_cnt_all;
course_cnt_all = 0;
course_cnt = 0;
for (var i=0; (obj=document.getElementById(baseid+"_"+i)); i++) {
if (obj.checked) {
course_cnt_all ++;
course_cnt ++;
var g1=parseInt(obj.getAttribute("g"));
var s1=parseInt(obj.getAttribute("s"));
var p1=getPoint(s1, t);
g[0] += g1;
g[3] += g1;
g1 = (weighted? g1:1);
s[0] += g1 * s1;
p[0] += g1 * p1;
s[3] += g1 * s1;
p[3] += g1 * p1;
}
}
document.getElementById("s01").innerHTML=gt[0];
document.getElementById("s02").innerHTML=g[0];
if (weighted) {
document.getElementById("s03").innerHTML=(Math.round(s[0]/g[0]*100)/100);
document.getElementById("s04").innerHTML=(Math.round(p[0]/g[0]*10000)/10000);
} else {
document.getElementById("s03").innerHTML=(Math.round(s[0]/course_cnt*100)/100);
document.getElementById("s04").innerHTML=(Math.round(p[0]/course_cnt*10000)/10000);
}
baseid = "chk1";
course_cnt = 0;
for (var i=0; (obj=document.getElementById(baseid+"_"+i)); i++) {
if (obj.checked) {
course_cnt_all ++;
course_cnt ++;
var g1=parseInt(obj.getAttribute("g"));
var s1=parseInt(obj.getAttribute("s"));
var p1=getPoint(s1, t);
g[1] += g1;
g[3] += g1;
g1 = (weighted? g1:1);
s[1] += g1 * s1;
p[1] += g1 * p1;
s[3] += g1 * s1;
p[3] += g1 * p1;
}
}
document.getElementById("s11").innerHTML=gt[1];
document.getElementById("s12").innerHTML=g[1];
if (weighted) {
document.getElementById("s13").innerHTML=(Math.round(s[1]/g[1]*100)/100);
document.getElementById("s14").innerHTML=(Math.round(p[1]/g[1]*10000)/10000);
} else {
document.getElementById("s13").innerHTML=(Math.round(s[1]/course_cnt*100)/100);
document.getElementById("s14").innerHTML=(Math.round(p[1]/course_cnt*10000)/10000);
}
baseid = "chk2";
course_cnt = 0;
for (var i=0; (obj=document.getElementById(baseid+"_"+i)); i++) {
if (obj.checked) {
course_cnt_all ++;
course_cnt ++;
var g1=parseInt(obj.getAttribute("g"));
var s1=parseInt(obj.getAttribute("s"));
var p1=getPoint(s1, t);
g[2] += g1;
g[3] += g1;
g1 = (weighted? g1:1);
s[2] += g1 * s1;
p[2] += g1 * p1;
s[3] += g1 * s1;
p[3] += g1 * p1;
}
}
document.getElementById("s21").innerHTML=gt[2];
document.getElementById("s22").innerHTML=g[2];
if (weighted) {
document.getElementById("s23").innerHTML=(Math.round(s[2]/g[2]*100)/100);
document.getElementById("s24").innerHTML=(Math.round(p[2]/g[2]*10000)/10000);
} else {
document.getElementById("s23").innerHTML=(Math.round(s[2]/course_cnt*100)/100);
document.getElementById("s24").innerHTML=(Math.round(p[2]/course_cnt*10000)/10000);
}
document.getElementById("s31").innerHTML=(gt[0]+gt[1]+gt[2]);
document.getElementById("s32").innerHTML=g[3];
if (weighted) {
document.getElementById("s33").innerHTML=(Math.round(s[3]/g[3]*100)/100);
document.getElementById("s34").innerHTML=(Math.round(p[3]/g[3]*10000)/10000);
} else {
document.getElementById("s33").innerHTML=(Math.round(s[3]/course_cnt_all*100)/100);
document.getElementById("s34").innerHTML=(Math.round(p[3]/course_cnt_all*10000)/10000);
}
document.getElementById("gpa_disp").style.opacity = 2;
}
function openEx(name)
{
var newwin = document.createElement("div");
newwin.setAttribute("id", name);
newwin.style.position = "absolute";
newwin.style.top = "10px";
newwin.style.right = "10px";
// newwin.style.width = "100px";
// newwin.style.height = "100px";
newwin.style.opacity = 0.85;
window.addEventListener("scroll", function() {
var newpos = document.body.scrollTop + 10;
newwin.setAttribute("tarpos", newpos);
setTimeout(function () {if (!hwnd_Move) moveEx(name)}, 50);
},false);
var newpos = document.body.scrollTop + 10;
newwin.setAttribute("tarpos", newpos);
setTimeout(function () {if (!hwnd_Move) moveEx(name)}, 50);
var htm="";
document.body.appendChild(newwin);
newwin.setAttribute("taropc", 0.1)
newwin.addEventListener("mouseover", function() {
this.style.opacity = 2;
newwin.setAttribute("taropc", 2)
}, false);
newwin.addEventListener("mouseout", function() {
this.style.opacity = 2;
newwin.setAttribute("taropc", 0.1)
}, false);
}
function moveEx(name)
{
var target = document.getElementById(name);
var newpos = target.getAttribute("tarpos");
var curr_pos = parseInt(target.style.top);
if (curr_pos < newpos) {
if (curr_pos-newpos<-8)
curr_pos -= (curr_pos-newpos)/4;
else
curr_pos +=1;
target.style.top = curr_pos;
hwnd_Move = setTimeout(function () {moveEx(name)}, 50);
}else if (curr_pos > newpos) {
if (curr_pos-newpos>8)
curr_pos -= (curr_pos-newpos)/4;
else
curr_pos -=1;
target.style.top = curr_pos;
hwnd_Move = setTimeout(function () {moveEx(name)}, 50);
}else
hwnd_Move = 0;
}
function opacityEx(name)
{
var target = document.getElementById(name);
var newpos = target.getAttribute("taropc");
var curr_pos = parseFloat(target.style.opacity);
if (curr_pos < newpos) {
if (curr_pos-newpos<-0.2)
curr_pos += 0.2;
else
curr_pos = newpos;
target.style.opacity = curr_pos;
}else if (curr_pos > newpos) {
if (curr_pos-newpos>0.02)
curr_pos -= 0.02;
else
curr_pos = newpos;
target.style.opacity = curr_pos;
}
hwnd_Opacity = setTimeout(function () {opacityEx(name)}, 50);
}
function getPoint(s, t)
{
var tmptable = gptable[t];
for (var i=1; i<tmptable.length; i++)
if (s>=tmptable[i][0])
return tmptable[i][1];
return null;
}
var gptable = [
[
"北大算法(4.0, 3.7, 3.3,..., 1.5, 1.0)",
[90,4],
[85,3.7],
[82,3.3],
[78,3],
[75,2.7],
[72,2.3],
[68,2],
[64,1.5],
[60,1],
[0,0]
],
[
"美国1(4.0, 3.0, 2.0, 1.0)",
[90,4],
[80,3],
[70,2],
[60,1],
[0,0]
],
[
"改进4.0_1(4.0=85, 3.0, 2.0)",
[85,4],
[70,3],
[60,2],
[0,0]
],
[
"改进4.0_2(4.0=85, 3.0=75, 2.0)",
[85,4],
[75,3],
[60,2],
[0,0]
],
[
"美国2(4.0, 3.5, 3.0,..., 1.5, 1.0)",
[90,4],
[85,3.5],
[80,3],
[75,2.5],
[70,2],
[65,1.5],
[60,1],
[0,0]
],
[
"美国3(4.0, 3.7, 3.3,..., 2.0, 1.0)",
[90,4],
[87,3.7],
[83,3.3],
[80,3],
[77,2.7],
[73,2.3],
[70,2],
[60,1],
[0,0]
],
[
"加拿大(4.3, 4.0, 3.7, ..., 2.7, 2.3)",
[90,4.3],
[85,4.0],
[80,3.7],
[75,3.3],
[70,3.0],
[65,2.7],
[60,2.3],
[0,0]
],
[
"中科大(4.3, 4.0, 3.7, ..., 1.3, 1.0)",
[95,4.3],
[90,4.0],
[85,3.7],
[82,3.3],
[78,3.0],
[75,2.7],
[72,2.3],
[68,2.0],
[65,1.7],
[64,1.5],
[61,1.3],
[60,1.0],
[0,0]
],
[
"上海交大(4.3, 4.0, 3.7, ..., 1.7, 1.0)",
[95,4.3],
[90,4.0],
[85,3.7],
[80,3.3],
[75,3.0],
[70,2.7],
[67,2.3],
[65,2.0],
[62,1.7],
[60,1.0],
[0,0]
],
];
//window.addEventListener("load", main, false);
main();