My.IIT COR Scheduler

index.js

// ==UserScript==
// @name Graphical Scheduler
// @namespace https://sites.google.com/site/kinalibangon/ventures/javascript/graphical-scheduler
// @description My.IIT Graphical Scheduler for COR
// @include http://x4150my.msuiit.edu.ph/my/student/cor.php
// @version 0.0.7
// ==/UserScript==

// subject/course counters.
var subjects = new Array();
var subjecCount = 0;

// important iterators. :)
var days=new Array("M","T","W","Th","F");
days[-1]="";
var hemis = new Array("AM", "PM");
var timeframe = new Array(  "07:00AM-09:00AM",
                            "07:30AM-09:00AM",
                            "09:00AM-10:30AM",
                            "10:30AM-12:00PM",
                            "12:00AM-01:30PM",
                            "12:30PM-01:30PM",
                            "01:30PM-03:00PM",
                            "03:00PM-04:30PM",
                            "04:30PM-06:00PM",
                            "04:30PM-06:30PM",
                            "06:00PM-07:30PM",
                            "07:30PM-09:00PM");

// etirate throught the document object model starting
// from the id'ed content-body towards the table that
// contains the relevant data.
var mybody, rightcol, contendiv, scheduleTable;        
mybody = document.getElementById("content-body");
rightcol = mybody.firstChild.nextSibling.nextSibling.nextSibling;
contendiv = rightcol.firstChild.nextSibling.nextSibling.nextSibling;
scheduleTable = contendiv.firstChild.nextSibling.nextSibling.nextSibling;

// get the subject information from the document model and put it in the subject
// object. also check for lab's that have no name as class code. L is affixed to unnamed labs.
for (var i = 1; i < scheduleTable.rows.length; i++){
    subject = new Object();
    subject.code = scheduleTable.rows[i].cells[0].innerHTML.replace("&nbsp;","");
    if (subject.code == ''){
        prevSubject = new Object();
        prevSubject = subjects[i-1];
        subject.code =  prevSubject.code + "L";
    }
    subject.section = scheduleTable.rows[i].cells[1].innerHTML.replace("&nbsp;","");
    subject.description = scheduleTable.rows[i].cells[2].innerHTML.replace("&nbsp;","");
    subject.days = scheduleTable.rows[i].cells[3].innerHTML.replace("&nbsp;","");
    subject.time = scheduleTable.rows[i].cells[4].innerHTML.replace("&nbsp;","");
    subject.room = scheduleTable.rows[i].cells[5].innerHTML.replace("&nbsp;","");
    subject.grade = scheduleTable.rows[i].cells[6].innerHTML.replace("&nbsp;","");
    subject.compl = scheduleTable.rows[i].cells[7].innerHTML.replace("&nbsp;","");
    subject.begin = subject.time.substring(0,7); //get rid of the zeroes in the first character
    if ( subject.begin[0]=='0') subject.begin = subject.begin.substring(1,subject.begin.length);
    subject.end = subject.time.substring(8,15);  //get rid of the zeroes in the first character
    if ( subject.end[0]=='0') subject.end = subject.end.substring(1,subject.end.length);
    subjects[i] = subject;
}

// container of the arrays of subjects taken each day
// hence this will be like a double dimension array.
var weekday = new Array();

// get the days of which every course is taken
// for example if, TThF then put it in the
// proper index at weekday array.
for (var day = 0; day < days.length; day++){
    var subjectCountOfTheDay = 0;
    var subjectsOfTheDay = new Array();
    for (var i = 1; i < scheduleTable.rows.length; i++){
        subject = new Object();
        subject = subjects[i];
        if (subject.days.indexOf(days[day]) > -1) {
            if (days[day] == "T"){
                var tFound = subject.days.indexOf(days[day]);
                if (subject.days.indexOf("Th", tFound + 1) > -1){
                    subjectsOfTheDay[subjectCountOfTheDay] = subject;
                    subjectCountOfTheDay++;
                }
                else {
                    if (subject.days.indexOf("Th") < 0){
                        subjectsOfTheDay[subjectCountOfTheDay] = subject;
                        subjectCountOfTheDay++;
                    }    
                }
            }
            else {
                subjectsOfTheDay[subjectCountOfTheDay] = subject;
                subjectCountOfTheDay++;
            }
        }
    }
    weekday[day] = subjectsOfTheDay;
}

var myDay = new Array();

for (var day = 0; day < days.length; day++){
    
    var x;
    var subjectsOfTheDay = new Array();
    var subjectsofMyDay = new Array();
    subjectsOfTheDay = weekday[day];
    for (x in subjectsOfTheDay){
        subject = new Object();
        subject = subjectsOfTheDay[x];
       
        
        // add timeframes to subject
        var totalSubjTimeFrames = 0;
        var subjTimeFrames = new Array();
        var exactMatch = false;
        for (i=0; i<timeframe.length; i++){
            if (timeframe[i]==subject.time){
                subjTimeFrames[totalSubjTimeFrames]=timeframe[i];
                
                totalSubjTimeFrames++;
                exactMatch = true;
                break;
            }
        }
        if (exactMatch==false){
            for (i=0; i<timeframe.length; i++){
                if(timeframe[i].substring(0,7)==subject.time.substring(0,7)){
                    subjTimeFrames[totalSubjTimeFrames]=timeframe[i];
                    
                    totalSubjTimeFrames++;
                }
                else if(timeframe[i].substring(8,15)==subject.time.substring(8,15)){
                    subjTimeFrames[totalSubjTimeFrames]=timeframe[i];
                    
                    totalSubjTimeFrames++;
                }
            }
        }
        subject.timecells=subjTimeFrames;
        subjectsOfTheDay[x] = subject;
        subjectsofMyDay[x] = subject;
    }
    myDay[day] =  subjectsofMyDay;
}

newTable = document.createElement("table");
var innerCode = "<tbody><tr>";
var percentage = 730 / (days.length + 1);
for (var day = -1; day < days.length; day++){
    innerCode = innerCode + "<th width=\"" + percentage + "\" align=\"center\">" + days[day] + "</th>";
}

for (var t=0; t<timeframe.length;t++){
    GM_log("begin " + timeframe[t]);
    innerCode = innerCode + "<tr>";
    innerCode = innerCode + "<td width=\"" + percentage + "\" align=\"center\">" + timeframe[t] + "</td>";
    for (var d=0; d<days.length;d++){
        GM_log("day " + days[d]);
        var resfound = false;
        var mySubjs = myDay[d];
        for (var s=0; s<mySubjs.length;s++){
            subject = new Object();
            subject = mySubjs[s];
            var subjTimes = subject.timecells;
            for (var st=0; st<subjTimes.length;st++){
                if (subjTimes[st] == timeframe[t]){
                    resfound=true;
                    GM_log("subject " + subject.code);
                    innerCode = innerCode + "<td width=\"" + percentage + "\" align=\"center\">" + subject.section + "</td>";
                    break;
                }
            }
            if (resfound==true){
                break;
            }
        }
        if (resfound==false) {
            GM_log("subject " + "none");
            innerCode = innerCode + "<td width=\"" + percentage + "\" align=\"center\"> </td>";
        }
    }
    GM_log("end " + timeframe[t]);
    innerCode = innerCode + "</tr>";
}


 // begin presentation layer

innerCode =innerCode + "</tbody>";
newTable.innerHTML = innerCode;
contendiv.insertBefore(newTable,scheduleTable);