var timetable = {
items: [],
ampm: true,
isoffset: ["float", "offset", "utc"][0],
getEnd: function(start) {
for (var i = 0, j = this.items.length; i < j; i++) {
if (this.items[i].start == start) {
return this.items[i].end;
}
}
return null;
},
getStart: function(end) {
for (var i = 0, j = this.items.length; i < j; i++) {
if (this.items[i].end == end) {
return this.items[i].start;
}
}
return null;
},
getSessionByTime: function(start, end) {
for (var i = 0, j = this.items.length; i < j; i++) {
if (this.items[i].start.getTime() == start.getTime() && this.items[i].end.getTime() == end.getTime()) {
return this.items[i];
}
}
return null;
},
isValidTime: function(time1, time2) {
for (var i = 0, j = this.items.length; i < j; i++) {
if (this.items[i].start == time1 && this.items[i].end == time2) {
return true;
}
}
return false;
},
isValidLocation: function(time1, time2, location) {
var session = this.getSessionByTime(time1, time2);
if (session) {
for (var i = 0, j = session.events.length; i < j; i++) {
if (session.events[i].location == location) {
return false;
}
}
}
return true;
},
getLocations: function() {
var res = [];
for (var i = 0, j = this.items.length; i < j; i++) {
for (var k = 0, l = this.items[i].events.length; k < l; k++) {
if (!res.inside(this.items[i].events[k].location)) {
res.push(this.items[i].events[k].location);
}
}
}
return res;
},
getLocations4Output: function() {
var res = [];
for (var i = 0, j = this.items.length; i < j; i++) {
for (var k = 0, l = this.items[i].events.length; k < l; k++) {
if (!this.items[i].events[k].isglobal && !res.inside(this.items[i].events[k].location)) {
res.push(this.items[i].events[k].location);
}
}
}
return res;
},
addEvent: function(start, end, location, isglobal, description) {
var session;
if (isglobal || !(session = this.getSessionByTime(start, end))) {
session = new Session(start, end);
this.items.push(session);
}
session.events.push({location: location, isglobal: isglobal, desc: description});
},
sort: function() {
this.items.sort(function(a, b) {
if (a.start < b.start) {
return -1;
}
if (a.start > b.start) {
return 1;
}
return 0;
});
var loc = this.getLocations4Output();
for (var i = 0, j = this.items.length; i < j; i++) {
this.items[i].events.sort(function(a, b) {
if (loc.inside(a.location) < loc.inside(b.location)) {
return -1;
}
if (loc.inside(a.location) > loc.inside(b.location)) {
return 1;
}
return 0;
});
}
},
toString: function(hook) {
this.sort();
var res = 'Download this calendar (Don’t forget to fix the URL)
\n';
res += '\n';
res += ' \n';
res += ' \n';
res += ' | | \n';
var loc = this.getLocations4Output();
for (var i = 0, k = loc.length; i < k; i++) {
res += ' ' + loc[i] + ' | \n';
}
res += '
\n';
res += ' \n';
res += ' \n';
for (var i = 0, j = this.items.length; i < j; i++) {
res += ' \n';
res += ' | ';
res += this.convertTime(i);
res += " | \n";
for (var k = 0, l = this.items[i].events.length; k < l; k++) {
var n = k;
if (k == l - 1) {
while (n + 1 < loc.inside(this.items[i].events[k].location)) {
res += ' | \n';
n++;
}
}
res += ' ';
if (this.items[i].events[k].isglobal) {
res += ' (' + this.items[i].events[k].location + ')';
}
res += " | \n";
if (k == l - 1 && !this.items[i].events[k].isglobal) {
for (var a = loc.inside(this.items[i].events[k].location), b = loc.length; a < b; a++) {
res += ' | \n';
}
}
}
res += '
\n';
}
res += ' \n
\n';
return res;
},
convertTime: function(i) {
var S = {};
var tt = this;
S.val = tt.items[i].start.iso();
S.hours = tt.items[i].start.getHours();
S.mins = '' + tt.items[i].start.getMinutes().zero() + '';
S.separator = ':';
S.postfix = "";
if (this.ampm) {
S.postfix = ' am';
if (S.hours > 12) {
S.postfix = ' pm';
S.hours = S.hours - 12;
}
}
S.toString = function() {
return '' + this.hours + '' + this.separator + this.mins + this.postfix + '';
};
var E = {};
E.val = tt.items[i].end.iso();
E.hours = tt.items[i].end.getHours();
E.mins = '' + tt.items[i].end.getMinutes().zero() + '';
E.separator = ':';
E.postfix = "";
if (this.ampm) {
E.postfix = ' am';
if (E.hours > 12) {
E.postfix = ' pm';
E.hours = E.hours - 12;
}
}
E.toString = function() {
return '' + this.hours + '' + this.separator + this.mins + this.postfix + '';
};
if (S.postfix == E.postfix) {
S.postfix = S.postfix.replace(/\"postfix\"/g, '"hidden postfix"');
}
return S + "–" + E;
}
};
function Session (start, end) {
this.start = start;
this.end = end;
this.events = [];
this.removeEvent = function(ev) {
this.events.remove(ev);
if (this.events.length == 0) {
timetable.items.remove(this);
}
};
}
String.prototype.ISO2date = function() {
var val = this.toString();
val = val.match(/^(\d{4})\-?(\d{2})\-?(\d{2})T(\d{2}):?(\d{2}):?(\d{2}).*$/);
var dt = new Date();
if (val.length == 7) {
dt.setYear(val[1]);
dt.setMonth(val[2] - 1);
dt.setDate(val[3]);
dt.setHours(val[4]);
dt.setMinutes(val[5]);
dt.setSeconds(val[6]);
dt.setMilliseconds(0);
}
return dt;
};
Array.prototype.inside = function(value) {
for (var i = 0; i < this.length; i++) {
if (this[i] == value) {
return i + 1;
}
}
return false;
};
Array.prototype.remove = function(value) {
var flag = false;
for (var i = 0, j = this.length; i < j; i++) {
if (this[i] == value) {
flag = true;
}
if (flag && i < j - 1) {
this[i] = this[i + 1];
}
}
if (flag) {
this.pop();
}
};
Date.prototype.iso = function(utc) {
var temp = new Date(this);
var soffset = "";
if (utc && (utc == "offset" || utc == "utc")) {
var offset = (new Date()).getTimezoneOffset();
if (utc == "offset") {
soffset = ((offset > 0)?"+":"-") + (Math.abs(offset) / 60).zero() + (Math.abs(offset) % 60).zero();
} else {
soffset = "Z";
}
temp.setMinutes(temp.getMinutes() + offset);
}
return temp.getFullYear() + "-" +
(temp.getMonth() + 1).zero() + "-" +
temp.getDate().zero() +
"T" + temp.getHours().zero() + ":" +
temp.getMinutes().zero() + ":" +
temp.getSeconds().zero() + soffset;
};
Number.prototype.zero = function() {
if (this < 10) {
return "0" + this;
}
return this;
};