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script.js
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/**
* Primary script for the Harker Bell Schedule
* Hosted at http://harkerdev.github.io/bellschedule
**/
/**
* CSS things
*/
addEventListener("scroll", function(event) {
document.getElementById("header").style.left = scrollX + "px";
});
/**
* Returns an array of values in the array that aren't in a.
*/
Array.prototype.diff = function(a) {
return this.filter(function(i) {return a.indexOf(i) < 0;});
};
/**
* Constants
*/
var days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]; //days of the week in string form
var schedules; //array of schedules (each schedule is an array in this array
var mobile = isMobile();
/**
* Globals
*/
var displayDate; //beginning of time period currently being displayed by the schedule
var updateScheduleID; //ID of interval of updateSchedule
var hasFocus = true; //document.hasFocus() seems to be unreliable; assumes window has focus on page load
var options = {};
var urlParams; //object with GET variables as properties and their respective values as values
var inputStr = "";
var KEY_LEFT = 37;
var KEY_UP = 38;
var KEY_RIGHT = 39;
var KEY_DOWN = 40;
var KEY_A = 65;
var KEY_B = 66;
var KONAMI = "" + KEY_UP + KEY_UP + KEY_DOWN + KEY_DOWN + KEY_LEFT + KEY_RIGHT + KEY_LEFT + KEY_RIGHT + KEY_B + KEY_A;
var isDoge;
var START_DATE = new Date('August 22, 2016'); //The start day of the school year. This should be a weekday.
var START_SCHEDULE = 1; //The schedule on the first day
//On a given day, independent of rotation, after school has a fixed function. This array maps the day (0 for Monday, etc.)
//to the particular function (e.g. Extra Help). This ultimately piggybacks on the replacement system.
var COLLABORATION_REPLACEMENTS = [
"Collaboration -> Office Hours",
"Collaboration -> Office Hours",
"Collaboration -> Faculty Meeting",
"Collaboration -> Office Hours",
"Collaboration -> After School"
]
var TOTAL_SCHEDULES = 8; //The number of schedules to be cycled
var SCHEDULES = ["A", "B", "C", "D", "A", "B", "C", "D"]
var MILLIS_PER_DAY = 1000 * 60 * 60 * 24;
/**
* Gets GET variables from URL and sets them as properties of the urlParams object.
* Then updates the state of the current history entry with the appropriate week.
*/
(function() {
//decode GET vars in URL
updateUrlParams();
//update history state
window.history.replaceState(getDateFromUrlParams(), document.title, document.location);
}());
/**
* Event listeners
*/
document.addEventListener("visibilitychange", function(event) {
if(!document.hidden) { //only slightly redundant; on un-minimize, document gains visibility without focus
updateSchedule();
// updateClock();
}
updateUpdateInterval();
});
addEventListener("focus", function(event) {
updateSchedule();
//updateClock();
hasFocus = true;
updateUpdateInterval();
});
addEventListener("blur", function(event) {
hasFocus = false;
updateUpdateInterval();
});
/**
* Event listener for navigating through history.
* (onload event will not fire when navigating through history items pushed by history.pushState, because the page does not reload)
*/
addEventListener("popstate", function(event) {
updateUrlParams();
updateSchedule(event.state);
});
/**
* Updates urlParams object based on the GET variables in the URL.
* (variables as properties and values as values)
*/
function updateUrlParams() {
urlParams = {};
var match,
pl = /(?!^)\+/g, //regex for replacing non-leading + with space
search = /([^&=]+)=?([^&]*)/g,
decode = function (s) { return decodeURIComponent(s.replace(pl, " ")); },
query = location.search.substring(1);
while (match = search.exec(query))
urlParams[decode(match[1])] = decode(match[2]);
}
/**
* Parses schedules, creates schedule for correct week, sets title title on page load.
*/
addEventListener("load", function(event) {
initViewport();
initTitle();
parseRawSchedule();
//updateSchedule();
//updateClock();
download("options.json", createOptions, displayOptionsError);
isDoge = false;
});
function initViewport() {
if(mobile) {
var meta = document.createElement("meta");
meta.name = "viewport";
meta.content = 'user-scalable=no, initial-scale=1.0, maximum-scale=1.0';
document.getElementsByTagName("head")[0].appendChild(meta);
document.getElementsByTagName("body")[0].class = "mobile";
}
}
/**
* Adds appropriate event listeners to items in the schedule title.
*/
function initTitle() {
document.getElementById("header").addEventListener("click", setTitleTitle);
document.getElementById("leftArrow").addEventListener("click", goLast);
document.getElementById("rightArrow").addEventListener("click", goNext);
document.getElementById("refresh").addEventListener("click", function(){ updateSchedule(null,true) });
setTitleTitle();
}
/**
* Parses raw schedule in body of page into schedule array
* Code is questionable
*/
function parseRawSchedule() {
var rawSchedules=document.getElementById("schedules").textContent.split("\n"); //get raw schedule text
schedules = new Array();
var x=0; //index in schedules
schedules[0] = new Array(); //create array of special schedule days
while(rawSchedules.length>0){
//loop through all lines in raw schedule text
if(rawSchedules[0].length==0){
//if line is empty, move to next index in schedules
schedules[++x] = new Array(); //could probably use id as index instead, or just properties
rawSchedules.shift();
} else{
//if line has text, save in current location in schedules
var str = rawSchedules.shift();
if(x==0 && str.indexOf("|")>=0){
//behavior for blocks of dates with the same schedule
var start = new Date(str.substring(0,str.indexOf("|")));
var end = new Date(str.substring(str.indexOf("|")+1,str.indexOf("\t")));
for(;start<=end;start.setDate(start.getDate()+1)){
schedules[0].push(start.getMonth().valueOf()+1+"/"+start.getDate()+"/"+start.getFullYear().toString().substr(-2)+str.substring(str.indexOf("\t")));
}
}
else schedules[x].push(str);
}
}
}
/**
* Displays schedule of the week of the given date/time
*/
function setDisplayDate(time, force) {
var date = (time ? new Date(time) : getDateFromUrlParams()); //variable to keep track of current day in loop
setDayBeginning(date);
if(force || !displayDate || (date.valueOf()!=displayDate.valueOf())) {
var schedule = document.getElementById("schedule"); //get schedule table
displayDate = new Date(date);
displayMessage = "";//"Welcome back! Tell a freshman about <a href='http://tiny.cc/bellschedule'>tiny.cc/bellschedule</a>.";
if((new Date()).toDateString() == (new Date("11/18/16")).toDateString())
displayMessage = "Have a wonderful Thanksgiving Break! 🦃"
if(getMonday(date) > getMonday(new Date()))
displayMessage += "<br>This is a future date, so the schedule may be incorrect. (In particular, special/alternate schedules may be missing.)"; //display warning if date is in the future
warn(displayMessage)
/*warn("<b style='color:#FF8020'>UPDATE FROM STUCO!</b> Find out what Harker Student Council is working on for YOU at <a style='font-weight:bold' href='http://tiny.cc/harkerstuco'>tiny.cc/harkerstuco</a>!"
+ "<br><b>Submit Honor Council Feedback: </b><a style='font-weight:bold' href=http://bit.ly/harkerfeedback>bit.ly/harkerfeedback</a>"
+ "<br>Use this link <b>only</b> if you have concerns about possible breaches of academic integrity or wish to report Code of Conduct violations."
+ "<br><b>Submit StuCo Feedback:</b> Email <a style='font-weight:bold' href=mailto:[email protected]>[email protected]</a>"
+ "<br>Otherwise, direct your suggestions and concerns here."
+"<br><b>Dowload the new iOS app <a href='http://goo.gl/ZDMMRp'>here</a> to get live push notifications.</b>"); //else display message*/
/*
if(date.valueOf()==getMonday(new Date()).valueOf()) document.getElementById("currWeek").style.display = "none"; //hide back to current week button on current week
else document.getElementById("currWeek").style.display = "inline"; //else show the button
*/
while(schedule.rows.length) schedule.deleteRow(-1); //clear existing weeks (rows); there should only be one, but just in case...
var week = schedule.insertRow(-1); //create new week (row)
if(!options.enableDayView) {
date = getMonday(date);
for(var d=0;d<5;d++) {
//for each day Monday through Friday (inclusive)
createDay(week, date);
date.setDate(date.getDate()+1); //increment day
}
} else createDay(week, date);
}
}
/**
* Returns a Date object based on the current urlParams (GET variables in the URL).
* If any part of the date is not specified, defaults to the current date/month/year.
* If in week view, uses the Monday of the week instead of the day.
*/
function getDateFromUrlParams() {
var date = new Date();
if(urlParams["y"]>0) date.setFullYear("20" + urlParams["y"]);
if(urlParams["m"]>0) date.setMonth(urlParams["m"]-1);
if(urlParams["d"]>0) date.setDate(urlParams["d"]);
if(!options.enableDayView) date = getMonday(date);
return date;
}
/**
* Displays the given warning or hides the warning div if no warning text is given.
*/
function warn(text) {
var warning = document.getElementById("warning")
if(text) warning.style.display = "block";
else warning.style.display = "none";
warning.innerHTML = text;
}
/**
* Creates the day for the given date and appends it to the given week
*/
function createDay(week, date) {
var daySchedule = getDayInfo(date); //get schedule for that day
var col = week.insertCell(-1); //create cell for day
col.date = date.valueOf(); //store date in cell element
if(date.getMonth()==9 && date.getDate()==31) //check Halloween
col.classList.add("halloween");
var head = document.createElement("div"); //create header div in cell
head.classList.add("head");
var headWrapper = document.createElement("div");
headWrapper.classList.add("headWrapper");
var scheduleString = ""; //Should we display the schedule id (e.g. A) next to the date
//Make sure not to display anything if daySchedule is empty
if (typeof daySchedule.name != 'undefined' || daySchedule.name != null){
//Not a weekend, so add
scheduleString = "(" + daySchedule.name + ")";
}
if (scheduleString === "()") {
//It's a holiday so delete the extra parenthesis
scheduleString = "";}
headWrapper.innerHTML = days[date.getDay()] + "<div class=\"headDate\">" + daySchedule.dateString + " " + scheduleString + "</div>"; //Portion commented out represents schedule id of that day
head.appendChild(headWrapper);
col.appendChild(head);
var prevEnd = "8:00"; //set start of day to 8:00AM
// for sub periods, passing periods are already handled and do not need to be added in the next iteration
if(daySchedule.index > 0) { //populates cell with day's schedule (a bit messily)
for(var i=1;i<schedules[daySchedule.index].length;i++) {
var text = schedules[daySchedule.index][i];
var periodName = makePeriodNameReplacements(text.substring(0,text.indexOf("\t")), daySchedule.replacements);
var periodTime = text.substring(text.indexOf("\t")+1);
var start = periodTime.substring(0,periodTime.indexOf("-"));
var end = periodTime.substring(periodTime.lastIndexOf("-")+1);
// only creates a new passing period before the period if either 1) it's a split lunch period in the new schedule or
// 2) the date is not within the bounds of the new schedule
if(options.showPassingPeriods) {
var passing = document.createElement("div");
passing.classList.add("period");
createPeriod(passing,"",prevEnd,start,date);
col.appendChild(passing);
}
prevEnd = end;
var period = document.createElement("div");
period.classList.add("period");
if(periodName.indexOf("|") >= 0) {
//handle split periods (i.e. lunches)
var table = document.createElement("table");
table.classList.add("lunch");
var row = table.insertRow(-1);
var period1 = row.insertCell(-1);
var period2 = row.insertCell(-1);
var period1Time = periodTime.substring(0,periodTime.indexOf("||"));
var period2Time = periodTime.substring(periodTime.indexOf("||")+2);
var period1Name = periodName.substring(0, periodName.indexOf("||"));
var period2Name = periodName.substring(periodName.indexOf("||")+2);
//If there are two sets of subperiods (i.e. a|b||c|d) there should be 4 "|"s
if (findNumberOfOccurences(periodName, "|") == 4) {
show1Time = true;
show2Time = true;
createSubPeriods(
period1,
period1Name,
start,
period1Time.substring(period1Time.indexOf("-")+1,period1Time.indexOf("|")),
period1Time.substring(period1Time.indexOf("|")+1,period1Time.lastIndexOf("-")),
end,
date,
show1Time,
show2Time
);
createSubPeriods(
period2,
period2Name,
start,
period2Time.substring(period2Time.indexOf("-")+1,period2Time.indexOf("|")),
period2Time.substring(period2Time.indexOf("|")+1,period2Time.lastIndexOf("-")),
end,
date,
show1Time,
show2Time
);
}
else {
//parent, name, start, end, date
createPeriod(
period1,
period1Name,
start,
end,
date
)
show1Time = daySchedule.id == 4 || daySchedule.id == "ReCreate";
show2Time = !(show1Time);
//parent, name, start1, end1, start2, end2, date, show 1st, show 2nd
createSubPeriods(
period2,
period2Name,
start,
period2Time.substring(period2Time.indexOf("-")+1,period2Time.indexOf("|")),
period2Time.substring(period2Time.indexOf("|")+1,period2Time.lastIndexOf("-")),
end,
date,
show1Time,
show2Time
);
}
period.appendChild(table);
} else {
createPeriod(period,periodName,start,end,date);
//parent, name, start, end, date
//createSubPeriods(
//lunch2,
//periodName.substring(periodName.indexOf("||")+2),
//start,
//lunch2Time.substring(lunch2Time.indexOf("-")+1,lunch2Time.indexOf("|")),
//lunch2Time.substring(lunch2Time.indexOf("|")+1,lunch2Time.lastIndexOf("-")),
//end,
//date
//);
}
col.appendChild(period);
}
}
}
/**
* Returns new name for period based on array of replacements.
* If the current period name is listed in the array of replacements, returns the new, replaced name; otherwise, returns current name.
* replacements is an array of strings of the form "OldName->NewName"
*/
function makePeriodNameReplacements(periodName, replacements) {
if(replacements.length > 0) {
for(var i=0;i<replacements.length;i++) {
if(!replacements[i].indexOf(periodName))
return replacements[i].substring(replacements[i].indexOf("->")+2);
}
}
return periodName;
}
/**
* Sets the title of the title to a random line from the title titles list
*/
function setTitleTitle() {
var titles = document.getElementById("titleTitles").textContent.split("\n");
document.getElementById("title").title=titles[Math.floor(Math.random()*titles.length)];
}
/**
* Returns the Monday of next week if date is Saturday; else returns the Monday of that week
*/
function getMonday(d) {
var date = new Date(d);
if(date.getDay()>=6) date.setDate(date.getDate()+2); //set date to next Monday if today is Saturday
else date.setDate(date.getDate()-date.getDay()+1); //else set date Monday of this week
setDayBeginning(date); //set to beginning of day
return date;
}
/**
* Sets given date to beginning of the day (12:00 AM).
*/
function setDayBeginning(date) {
date.setHours(0,0,0,0);
}
/**
* Takes in a date and a string of form "hh:MM" and turns it into a time on the day of the given date.
* Assumes hours less than 7 are PM and hours 7 or greater are AM.
*/
function getDateFromString(string, date) {
var hour = string.substring(0,string.indexOf(":"));
var min = string.substring(string.indexOf(":")+1);
if(hour<7) hour = parseInt(hour,10)+12; //assumes hours less than seven are PM and hours 7 or greater are AM
return new Date(date.getFullYear(),date.getMonth(),date.getDate(),hour,min);
}
/**
* For given day, returns index of schedule id in schedules, schedule id, and formatted date (mm/dd/yy).
* Schedule id index is 0 if not found in schedules.
*/
function getDayInfo(day) {
var dateString = day.getMonth().valueOf()+1 + "/" + day.getDate().valueOf() + "/" + day.getFullYear().toString().substr(-2); //format in mm/dd/YY
var id;
var index = 0;
var replacements = [];
for(var i=0;i<schedules[0].length;i++) //search for special schedule on day
if(!schedules[0][i].indexOf(dateString)){
//found special schedule
if(schedules[0][i].indexOf("[") >= 0) { //check for period replacements
//cut replacements and space character out of id and save separately
id = schedules[0][i].substring(schedules[0][i].indexOf("\t")+1,schedules[0][i].indexOf("[")-1)
replacements = schedules[0][i].substring(schedules[0][i].indexOf("[")+1,schedules[0][i].indexOf("]")).split(",");
} else {
// no replacements to be made
id = schedules[0][i].substring(schedules[0][i].indexOf("\t")+1);
}
index = getScheduleIndex(id);
}
if(id === undefined) { //no special schedule found
id = day.getDay();
if(id==0 || id==6) index = id = 0; //no school on weekends
else { //default schedule for that day
id = calculateScheduleRotationID(day);
index = getScheduleIndex(id);
//Utilizes the replacement system and the fixed mapping to determine
//and display the particular after school function on a given day.
//Note that this is completely independent of the rotation of the
//schdule.
}
}
var name = "";
if (id <= TOTAL_SCHEDULES) {
name = SCHEDULES[id - 1];
}
replacements.push(COLLABORATION_REPLACEMENTS[day.getDay() - 1]);
return { "index": index, "id": id, "dateString": dateString, "replacements": replacements, "name": name };
}
/**
* Gets the index in the list of schedules of the schedule with the given schedule id (or 0 if no matching schedules were found)
*/
function getScheduleIndex(id) {
if(id==0) return 0; //schedule id 0 represents no school
for(var i=1;i<schedules.length;i++) { //find index of schedule id
if(id==schedules[i][0]) return i; //found specified schedule id
}
return 0; //couldn't find specified schedule
}
/**
* Determines which schedule should be displayed given the four block rotation.
* This futher factors out weekends and holidays when
* considering which day to display. Relies on a known starting anchor day with
* a given schedule and continues the cycle from there.
*/
function calculateScheduleRotationID(date) {
var daysDifference = (date.getTime() - START_DATE.getTime()) / MILLIS_PER_DAY;
var weeksDifference = Math.floor(daysDifference / 7);
//Factor out weekends (2 days per week)
daysDifference -= weeksDifference * 2;
//Factor out holidays
var dateExp = /\d{1,2}\/\d{1,2}\/\d{2}/ //Finds dates of the format M(M)/D(D)/YY
for (var i = 0; i < schedules[0].length; i++) {
var entry = schedules[0][i];
if (entry.search(dateExp) != -1) {
//Parse entry into date and id
var dateString = entry.split("\t")[0];
//Convert the date to format M(M)/D(D)/YYYY because Date defaults to 1900s
dateString = dateString.substring(0, dateString.length - 2) + "20" + dateString.substring(dateString.length - 2);
var entryDate = new Date(dateString);
var entryId = entry.split("\t")[1];
//If the checked schedule "entry" is a holiday in the future that occurs
//before the date that is being calculated "date" but after the start of
//pilot program, don't consider it in the cycle
if (getScheduleIndex(entryId) == 0 && date > entryDate && entryDate > START_DATE) {
daysDifference--;
}
}
}
var id;
if (daysDifference < 0) //Different formula needed for events before start day
id = START_SCHEDULE + Math.floor(daysDifference % TOTAL_SCHEDULES) + TOTAL_SCHEDULES;
else
id = START_SCHEDULE + Math.floor(daysDifference % TOTAL_SCHEDULES);
//Even schedules repeat (2 and 6 are the same and 4 and 8 are the same)
if (id > 4 && id % 2 == 0)
id = id - 4;
return id;
}
/**
* Creates and returns a new period wrapper with the given content and start/end times.
* Also applies any special properties based on period length (text on single line if too short, block period if longer than regular).
*/
function createPeriod(parent, name, start, end, date, showTime) {
//Do not show time for very small periods (e.g. class meetings)
if(typeof(showTime) === "undefined") showTime = true;
startDate = getDateFromString(start,date);
endDate = getDateFromString(end,date);
var periodWrapper = document.createElement("div");
periodWrapper.classList.add("periodWrapper");
periodWrapper.periodName = name;
periodWrapper.start = startDate;
periodWrapper.end = endDate;
var length = (endDate-startDate)/60000;
if (options.color==true)
{
if (periodWrapper.periodName == "P1")
{
periodWrapper.classList.add("periodone");
}
if (periodWrapper.periodName =="P2")
{
periodWrapper.classList.add("periodtwo");
}
if (periodWrapper.periodName =="P3")
{
periodWrapper.classList.add("periodthree");
}
if (periodWrapper.periodName == "P4")
{
periodWrapper.classList.add("periodfour");
}
if (periodWrapper.periodName == "P5")
{
periodWrapper.classList.add("periodfive");
}
if (periodWrapper.periodName == "P6")
{
periodWrapper.classList.add("periodsix");
}
if (periodWrapper.periodName == "Lunch")
{
periodWrapper.classList.add("lunchtime");
}
if (periodWrapper.periodName == "P7")
{
periodWrapper.classList.add("periodseven");
}
if (periodWrapper.periodName == "P8")
{
periodWrapper.classList.add("periodeight");
}
if (periodWrapper.periodName == "School Meeting" || periodWrapper.periodName == "Advisory")
{
periodWrapper.classList.add("meeting");
}
if (periodWrapper.periodName == "Office Hours")
{
periodWrapper.classList.add("officehours");
}
if (periodWrapper.periodName == "Club Leadership" || periodWrapper.periodName == "Junior Mtg." || periodWrapper.periodName == "Soph Mtg." || periodWrapper.periodName == "Frosh Mtg.")
{
periodWrapper.classList.add("meetingtwo");
}
}
if(length > 0) {
periodWrapper.style.height = (length-1) + "px"; //minus 1 to account for 1px border
if(length >= 15) {
if(name) periodWrapper.innerHTML = name;
//Force long periods (30 minutes and up) to have a time
if(showTime) periodWrapper.innerHTML += (length<30 ? " " : "<br />") + start + " – " + end;
//if(length>50 && !name.indexOf("P")) //handle block periods (class=long, i.e. bold text)
//periodWrapper.classList.add("long");
}
return parent.appendChild(periodWrapper);
}
}
/**
* Creates and appends two new sub-periods and passing period to parent period with given start and end times.
*/
function createSubPeriods(parent, name, start1, end1, start2, end2, date, showFirstTime, showSecondTime) {
if (typeof(showFirstTime) === "undefined") showFirstTime = true;
if (typeof(showSecondTime) === "undefined") showSecondTime = true;
var p1 = document.createElement("div");
p1.classList.add("period");
createPeriod(
p1,
name.substring(0,name.indexOf("|")),
start1,
end1,
date,
showFirstTime);
parent.appendChild(p1);
if(options.showPassingPeriods) {
var lunchPassing = document.createElement("div");
lunchPassing.classList.add("period");
createPeriod(lunchPassing,"",end1,start2,date);
parent.appendChild(lunchPassing);
}
var p2 = document.createElement("div");
p2.classList.add("period");
//var w2 = document.createElement("div");
//w2.classList.add("periodWrapper");
createPeriod(
p2,
name.substring(name.indexOf("|")+1),
start2,
end2,
date,
showSecondTime);
parent.appendChild(p2);
}
/**
* Creates and appends just three new sub-periods (passing periods added manually) with given start and end times.
*/
function create3SubPeriods(parent, name1, start1, end1, name2, start2, end2, name3, start3, end3, date) {
var p1 = document.createElement("div");
p1.classList.add("period");
createPeriod(
p1,
name1,
start1,
end1,
date);
parent.appendChild(p1);
var p2 = document.createElement("div");
p2.classList.add("period");
//var w2 = document.createElement("div");
//w2.classList.add("periodWrapper");
createPeriod(
p2,
name2,
start2,
end2,
date);
parent.appendChild(p2);
var p3 = document.createElement("div");
p3.classList.add("period");
createPeriod(
p3,
name3,
start3,
end3,
date);
parent.appendChild(p3);
}
/**
* Navigates schedule to previous date.
*/
function goLast() {
var date = new Date(displayDate);
date.setDate(date.getDate() - (options.enableDayView ? 1 : 7));
updateSchedule(date);
updateSearch(date);
}
/**
* Navigates schedule to next date.
*/
function goNext() {
var date = new Date(displayDate);
date.setDate(date.getDate() + (options.enableDayView ? 1 : 7));
updateSchedule(date);
updateSearch(date);
}
/**
* Navigates schedule to current date.
*/
function goCurr() {
var date = new Date();
updateSchedule(date);
updateSearch(date);
}
/**
* Updates GET variables and urlParams to reflect date in week and pushes corresponding history state.
*/
function updateSearch(week, noHistory) {
var curr = new Date();
if(!options.enableDayView) curr = getMonday(curr);
if(week.getDate() != curr.getDate()) {
urlParams["m"] = week.getMonth()+1;
urlParams["d"] = week.getDate();
} else {
delete urlParams["m"];
delete urlParams["d"];
}
if(week.getYear() != curr.getYear()) urlParams["y"] = week.getFullYear().toString().substr(-2);
else delete urlParams["y"];
var search = "?";
for(var param in urlParams) search += param + "=" + urlParams[param] + "&";
search = search.slice(0,-1);
history.pushState(week, document.title, location.protocol + "//" + location.host + location.pathname + search + location.hash);
}
/**
* Highlights given date/time on the schedule; defaults to now if none is given
*/
function setHighlightedPeriod(time) {
//set default time argument
if(!time) time = Date.now();
//set date based on time (for finding day to highlight)
var date = new Date(time);
date.setHours(0,0,0,0);
//clear previous highlighted day/periods
//TODO: maybe it would be better to not clear highlights when nothing needs to be changed.
var prevDay = document.getElementById("today");
var prevPeriods = [];
if(prevDay){
//clear previous highlighted periods
prevPeriods = Array.prototype.slice.call(prevDay.getElementsByClassName("now")); //get copy of array, not reference to it (needed to check for period changes later)
for(var i=prevPeriods.length-1;i>=0;i--){
var prevPeriod = prevPeriods[i];
prevPeriod.classList.remove("now");
//remove period length
var periodLength = prevPeriod.getElementsByClassName("periodLength")[0];
if(periodLength) prevPeriod.removeChild(periodLength);
}
//clear previous highlighted day
//needs to be done after getting prevPeriods, or else prevDay no longer points anywhere
prevDay.id = "";
}
//set new highlighted day/period
var days = document.getElementById("schedule").rows[0].cells;
for(var d=0;d<days.length;d++){
var day = days[d];
if(date.valueOf() == day.date){ //test if date should be highlighted
//set new highlighted day
day.id = "today";
//set new highlighted periods
var periods = day.getElementsByClassName("periodWrapper");
for(var p=0;p<periods.length;p++)
{
var period = periods[p];
if(time-period.start>=0 && time-period.end<0){ //test if period should be highlighted
period.classList.add("now");
//add period length if it fits
if((period.end-period.start)/60000>=40){
var length = (period.end - time) / 60000;
period.innerHTML += "<div class=\"periodLength\">" +
(length>1 ?
Math.round(length) + " min. left</div>" :
Math.round(length*60) + " sec. left</div>");
}
}
}
}
}
if(options.enablePeriodNotifications) {
var currPeriods = Array.prototype.slice.call(document.getElementsByClassName("now")); //needs to be an array and not an HTML
var diff1 = currPeriods.diff(prevPeriods);
var diff2 = prevPeriods.diff(currPeriods);
for(var i=0; i<diff1.length; i++) {
var name = currPeriods[i].periodName;
if(name && !hasFocus) sendNotification(name + " has started.", options.notificationDuration);
}
for(var i=0; i<diff2.length; i++) {
var name = prevPeriods[i].periodName;
if(name && !hasFocus) sendNotification(name + " has ended.", options.notificationDuration);
}
}
}
/**
* Updates schedule to display as it would on the given date/time; defaults to now if none is given.
* Also updates
*/
function updateSchedule(time,force) {
setDisplayDate(time,force);
setHighlightedPeriod();
}
/**
* Expands the options div and changes the options arrow to point down and to the right.
*/
function expandOptions() {
document.getElementById("options").classList.add("expanded");
document.getElementById("optionsArrow").innerHTML = "↘";
}
/**
* Contracts the options div and changes the options arrow to point up and to the left.
*/
function contractOptions() {
document.getElementById("options").classList.remove("expanded");
document.getElementById("optionsArrow").innerHTML = "↖";
}
/**
* Toggles the options div between extended and contracted and updates options arrow accordingly.
*/
function toggleOptions() {
if(document.getElementById("options").classList.contains("expanded"))
contractOptions();
else expandOptions();
}
/**
* Initializes automatic option saving and sets options to previously-saved values, if any.
* If no previous saved value exists, sets current (default) value as saved value.
*/
function initOptions() {
var opt = document.getElementById("options");
opt.addEventListener("mouseover", expandOptions);
opt.addEventListener("mouseout", contractOptions);
if(mobile) opt.classList.add("mobile");
document.getElementById("optionsArrow").addEventListener("click", toggleOptions);
var inputs = opt.getElementsByTagName("input");
if(localStorage.updateScheduleInterval) {
//rename key
localStorage.activeUpdateInterval=localStorage.updateScheduleInterval;
localStorage.removeItem("updateScheduleInterval");
}
for(var i=0; i<inputs.length; i++)
{
var input = inputs[i];
//special cases because localStorage saves values as strings
if(input.type=="checkbox") { //booleans
input.addEventListener("change", function(event) {
options[event.target.name] = localStorage[event.target.name] = event.target.checked;
});
if(localStorage[input.name]) options[input.name] = input.checked = localStorage[input.name]=="true";
else options[input.name] = localStorage[input.name] = input.checked;
}
else if(input.type=="number") { //numbers
input.addEventListener("change", function(event) {
options[event.target.name] = parseInt(localStorage[event.target.name] = event.target.value);
});
if(localStorage[input.name]) options[input.name] = parseInt(input.value = localStorage[input.name]);
else options[input.name] = parseInt(localStorage[input.name] = input.value);
}
else { //strings
input.addEventListener("change", function(event) {
options[event.target.name] = localStorage[event.target.name] = event.target.value;
});
if(localStorage[input.name]) options[input.name] = input.value = localStorage[input.name];
else options[input.name] = localStorage[input.name] = input.value;
}
}
}
/**
* Creates options in the options div.
*/
function createOptions(data) {
// just assume the file has everything for now
JSON.parse(data).sections.forEach(function(section) {
if(!section.hasOwnProperty("platforms") ||
((mobile && section.platforms.indexOf("mobile") >= 0) || !mobile)) {
createOptionSection(section);
}
});
initOptions();
attachOptionActions();
updateSchedule(null, true);
}
/**
* Displays error about retrieving schedule.
*/
function displayOptionsError(timeout, status) {
updateSchedule();
if(timeout) {
warn("Retrieval of options.json timed out!");
} else {
warn("Something went wrong while retrieving options.json!");
}
}
/**
* Create and insert options section.
*/
function createOptionSection(section) {
createOptionSectionTitle(section);
section.options.forEach(function(option) {
if(!option.hasOwnProperty("platforms") ||
((mobile && option.platforms.indexOf("mobile") >= 0) || !mobile)) {
createOption(option);
}