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(function(){d3.time = {};
var d3_time = Date;
d3.time.format = function(template) {
var n = template.length;
function format(date) {
var string = [],
i = -1,
j = 0,
c,
f;
while (++i < n) {
if (template.charCodeAt(i) == 37) {
string.push(
template.substring(j, i),
(f = d3_time_formats[c = template.charAt(++i)])
? f(date) : c);
j = i + 1;
}
}
string.push(template.substring(j, i));
return string.join("");
}
format.parse = function(string) {
var date = new d3_time(1900, 0, 1),
i = d3_time_parse(date, template, string, 0);
if (i != string.length) return null;
if (date.hour12) {
var hours = date.getHours() % 12;
date.setHours(date.hour12pm ? hours + 12 : hours);
}
delete date.hour12;
delete date.hour12pm;
return date;
};
format.toString = function() {
return template;
};
return format;
};
function d3_time_parse(date, template, string, j) {
var c,
p,
i = 0,
n = template.length,
m = string.length;
while (i < n) {
if (j >= m) return -1;
c = template.charCodeAt(i++);
if (c == 37) {
p = d3_time_parsers[template.charAt(i++)];
if (!p || ((j = p(date, string, j)) < 0)) return -1;
} else if (c != string.charCodeAt(j++)) {
return -1;
}
}
return j;
}
var d3_time_zfill2 = d3.format("02d"),
d3_time_zfill3 = d3.format("03d"),
d3_time_zfill4 = d3.format("04d"),
d3_time_sfill2 = d3.format("2d");
var d3_time_formats = {
a: function(d) { return d3_time_weekdays[d.getDay()].substring(0, 3); },
A: function(d) { return d3_time_weekdays[d.getDay()]; },
b: function(d) { return d3_time_months[d.getMonth()].substring(0, 3); },
B: function(d) { return d3_time_months[d.getMonth()]; },
c: d3.time.format("%a %b %e %H:%M:%S %Y"),
d: function(d) { return d3_time_zfill2(d.getDate()); },
e: function(d) { return d3_time_sfill2(d.getDate()); },
H: function(d) { return d3_time_zfill2(d.getHours()); },
I: function(d) { return d3_time_zfill2(d.getHours() % 12 || 12); },
j: d3_time_dayOfYear,
L: function(d) { return d3_time_zfill3(d.getMilliseconds()); },
m: function(d) { return d3_time_zfill2(d.getMonth() + 1); },
M: function(d) { return d3_time_zfill2(d.getMinutes()); },
p: function(d) { return d.getHours() >= 12 ? "PM" : "AM"; },
S: function(d) { return d3_time_zfill2(d.getSeconds()); },
U: d3_time_weekNumberSunday,
w: function(d) { return d.getDay(); },
W: d3_time_weekNumberMonday,
x: d3.time.format("%m/%d/%y"),
X: d3.time.format("%H:%M:%S"),
y: function(d) { return d3_time_zfill2(d.getFullYear() % 100); },
Y: function(d) { return d3_time_zfill4(d.getFullYear() % 10000); },
Z: d3_time_zone,
"%": function(d) { return "%"; }
};
var d3_time_parsers = {
a: d3_time_parseWeekdayAbbrev,
A: d3_time_parseWeekday,
b: d3_time_parseMonthAbbrev,
B: d3_time_parseMonth,
c: d3_time_parseLocaleFull,
d: d3_time_parseDay,
e: d3_time_parseDay,
H: d3_time_parseHour24,
I: d3_time_parseHour12,
// j: function(d, s, i) { /*TODO day of year [001,366] */ return i; },
L: d3_time_parseMilliseconds,
m: d3_time_parseMonthNumber,
M: d3_time_parseMinutes,
p: d3_time_parseAmPm,
S: d3_time_parseSeconds,
// U: function(d, s, i) { /*TODO week number (sunday) [00,53] */ return i; },
// w: function(d, s, i) { /*TODO weekday [0,6] */ return i; },
// W: function(d, s, i) { /*TODO week number (monday) [00,53] */ return i; },
x: d3_time_parseLocaleDate,
X: d3_time_parseLocaleTime,
y: d3_time_parseYear,
Y: d3_time_parseFullYear
// ,
// Z: function(d, s, i) { /*TODO time zone */ return i; },
// "%": function(d, s, i) { /*TODO literal % */ return i; }
};
// Note: weekday is validated, but does not set the date.
function d3_time_parseWeekdayAbbrev(date, string, i) {
return string.substring(i, i += 3).toLowerCase() in d3_time_weekdayAbbrevLookup ? i : -1;
}
var d3_time_weekdayAbbrevLookup = {
sun: 3,
mon: 3,
tue: 3,
wed: 3,
thu: 3,
fri: 3,
sat: 3
};
// Note: weekday is validated, but does not set the date.
function d3_time_parseWeekday(date, string, i) {
d3_time_weekdayRe.lastIndex = 0;
var n = d3_time_weekdayRe.exec(string.substring(i, i + 10));
return n ? i += n[0].length : -1;
}
var d3_time_weekdayRe = /^(?:Sunday|Monday|Tuesday|Wednesday|Thursday|Friday|Saturday)/ig;
var d3_time_weekdays = [
"Sunday",
"Monday",
"Tuesday",
"Wednesday",
"Thursday",
"Friday",
"Saturday"
];
function d3_time_parseMonthAbbrev(date, string, i) {
var n = d3_time_monthAbbrevLookup[string.substring(i, i += 3).toLowerCase()];
return n == null ? -1 : (date.setMonth(n), i);
}
var d3_time_monthAbbrevLookup = {
jan: 0,
feb: 1,
mar: 2,
apr: 3,
may: 4,
jun: 5,
jul: 6,
aug: 7,
sep: 8,
oct: 9,
nov: 10,
dec: 11
};
function d3_time_parseMonth(date, string, i) {
d3_time_monthRe.lastIndex = 0;
var n = d3_time_monthRe.exec(string.substring(i, i + 12));
return n ? (date.setMonth(d3_time_monthLookup[n[0].toLowerCase()]), i += n[0].length) : -1;
}
var d3_time_monthRe = /^(?:January|February|March|April|May|June|July|August|September|October|November|December)/ig;
var d3_time_monthLookup = {
january: 0,
february: 1,
march: 2,
april: 3,
may: 4,
june: 5,
july: 6,
august: 7,
september: 8,
october: 9,
november: 10,
december: 11
};
var d3_time_months = [
"January",
"February",
"March",
"April",
"May",
"June",
"July",
"August",
"September",
"October",
"November",
"December"
];
function d3_time_parseLocaleFull(date, string, i) {
return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
}
function d3_time_parseLocaleDate(date, string, i) {
return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
}
function d3_time_parseLocaleTime(date, string, i) {
return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
}
function d3_time_parseFullYear(date, string, i) {
d3_time_numberRe.lastIndex = 0;
var n = d3_time_numberRe.exec(string.substring(i, i + 4));
return n ? (date.setFullYear(n[0]), i += n[0].length) : -1;
}
function d3_time_parseYear(date, string, i) {
d3_time_numberRe.lastIndex = 0;
var n = d3_time_numberRe.exec(string.substring(i, i + 2));
return n ? (date.setFullYear(d3_time_century() + +n[0]), i += n[0].length) : -1;
}
function d3_time_century() {
return ~~(new Date().getFullYear() / 1000) * 1000;
}
function d3_time_parseMonthNumber(date, string, i) {
d3_time_numberRe.lastIndex = 0;
var n = d3_time_numberRe.exec(string.substring(i, i + 2));
return n ? (date.setMonth(n[0] - 1), i += n[0].length) : -1;
}
function d3_time_parseDay(date, string, i) {
d3_time_numberRe.lastIndex = 0;
var n = d3_time_numberRe.exec(string.substring(i, i + 2));
return n ? (date.setDate(+n[0]), i += n[0].length) : -1;
}
// Note: we don't validate that the hour is in the range [0,23].
function d3_time_parseHour24(date, string, i) {
d3_time_numberRe.lastIndex = 0;
var n = d3_time_numberRe.exec(string.substring(i, i + 2));
return n ? (date.setHours(+n[0]), i += n[0].length) : -1;
}
// Note: we don't validate that the hour is in the range [1,12].
function d3_time_parseHour12(date, string, i) {
date.hour12 = true;
return d3_time_parseHour24(date, string, i);
}
function d3_time_parseMinutes(date, string, i) {
d3_time_numberRe.lastIndex = 0;
var n = d3_time_numberRe.exec(string.substring(i, i + 2));
return n ? (date.setMinutes(+n[0]), i += n[0].length) : -1;
}
function d3_time_parseSeconds(date, string, i) {
d3_time_numberRe.lastIndex = 0;
var n = d3_time_numberRe.exec(string.substring(i, i + 2));
return n ? (date.setSeconds(+n[0]), i += n[0].length) : -1;
}
function d3_time_parseMilliseconds(date, string, i) {
d3_time_numberRe.lastIndex = 0;
var n = d3_time_numberRe.exec(string.substring(i, i + 3));
return n ? (date.setMilliseconds(+n[0]), i += n[0].length) : -1;
}
// Note: we don't look at the next directive.
var d3_time_numberRe = /\s*\d+/;
function d3_time_parseAmPm(date, string, i) {
var n = d3_time_amPmLookup[string.substring(i, i += 2).toLowerCase()];
return n == null ? -1 : (date.hour12pm = n, i);
}
var d3_time_amPmLookup = {
am: 0,
pm: 1
};
function d3_time_year(d) {
return new d3_time(d.getFullYear(), 0, 1);
}
function d3_time_daysElapsed(d0, d1) {
return ~~((d1 - d0) / 864e5 - (d1.getTimezoneOffset() - d0.getTimezoneOffset()) / 1440);
}
function d3_time_dayOfYear(d) {
return d3_time_zfill3(1 + d3_time_daysElapsed(d3_time_year(d), d));
}
function d3_time_weekNumberSunday(d) {
var d0 = d3_time_year(d);
return d3_time_zfill2(~~((d3_time_daysElapsed(d0, d) + d0.getDay()) / 7));
}
function d3_time_weekNumberMonday(d) {
var d0 = d3_time_year(d);
return d3_time_zfill2(~~((d3_time_daysElapsed(d0, d) + (d0.getDay() + 6) % 7) / 7));
}
// TODO table of time zone offset names?
function d3_time_zone(d) {
var z = d.getTimezoneOffset(),
zs = z > 0 ? "-" : "+",
zh = ~~(Math.abs(z) / 60),
zm = Math.abs(z) % 60;
return zs + d3_time_zfill2(zh) + d3_time_zfill2(zm);
}
d3.time.format.utc = function(template) {
var local = d3.time.format(template);
function format(date) {
try {
d3_time = d3_time_format_utc;
var utc = new d3_time();
utc._ = date;
return local(utc);
} finally {
d3_time = Date;
}
}
format.parse = function(string) {
try {
d3_time = d3_time_format_utc;
var date = local.parse(string);
return date && date._;
} finally {
d3_time = Date;
}
};
format.toString = local.toString;
return format;
};
function d3_time_format_utc() {
this._ = new Date(Date.UTC.apply(this, arguments));
}
d3_time_format_utc.prototype = {
getDate: function() { return this._.getUTCDate(); },
getDay: function() { return this._.getUTCDay(); },
getFullYear: function() { return this._.getUTCFullYear(); },
getHours: function() { return this._.getUTCHours(); },
getMilliseconds: function() { return this._.getUTCMilliseconds(); },
getMinutes: function() { return this._.getUTCMinutes(); },
getMonth: function() { return this._.getUTCMonth(); },
getSeconds: function() { return this._.getUTCSeconds(); },
getTimezoneOffset: function() { return 0; },
valueOf: function() { return this._.getTime(); },
setDate: function(x) { this._.setUTCDate(x); },
setDay: function(x) { this._.setUTCDay(x); },
setFullYear: function(x) { this._.setUTCFullYear(x); },
setHours: function(x) { this._.setUTCHours(x); },
setMilliseconds: function(x) { this._.setUTCMilliseconds(x); },
setMinutes: function(x) { this._.setUTCMinutes(x); },
setMonth: function(x) { this._.setUTCMonth(x); },
setSeconds: function(x) { this._.setUTCSeconds(x); }
};
var d3_time_formatIso = d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");
d3.time.format.iso = Date.prototype.toISOString ? d3_time_formatIsoNative : d3_time_formatIso;
function d3_time_formatIsoNative(date) {
return date.toISOString();
}
d3_time_formatIsoNative.parse = function(string) {
return new Date(string);
};
d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
function d3_time_range(floor, step, number) {
return function(t0, t1, dt) {
var time = floor(t0), times = [];
if (time < t0) step(time);
if (dt > 1) {
while (time < t1) {
var date = new Date(+time);
if (!(number(date) % dt)) times.push(date);
step(time);
}
} else {
while (time < t1) times.push(new Date(+time)), step(time);
}
return times;
};
}
d3.time.second = function(date) {
return new Date(~~(date / 1e3) * 1e3);
};
d3.time.second.utc = d3.time.second;
d3.time.seconds = d3_time_range(d3.time.second, function(date) {
date.setTime(date.getTime() + 1e3);
}, function(date) {
return date.getSeconds();
});
d3.time.seconds.utc = d3.time.seconds;
d3.time.minute = function(date) {
return new Date(~~(date / 6e4) * 6e4);
};
d3.time.minute.utc = d3.time.minute;d3.time.minutes = d3_time_range(d3.time.minute, d3_time_minutesStep, function(date) {
return date.getMinutes();
});
d3.time.minutes.utc = d3_time_range(d3.time.minute, d3_time_minutesStep, function(date) {
return date.getUTCMinutes();
});
8000
function d3_time_minutesStep(date) {
date.setTime(date.getTime() + 6e4); // assumes no leap seconds
}
d3.time.hour = function(date) {
var offset = date.getTimezoneOffset() / 60;
return new Date((~~(date / 36e5 - offset) + offset) * 36e5);
};
d3.time.hour.utc = function(date) {
return new Date(~~(date / 36e5) * 36e5);
};
d3.time.hours = d3_time_range(d3.time.hour, d3_time_hoursStep, function(date) {
return date.getHours();
});
d3.time.hours.utc = d3_time_range(d3.time.hour.utc, d3_time_hoursStep, function(date) {
return date.getUTCHours();
});
function d3_time_hoursStep(date) {
date.setTime(date.getTime() + 36e5);
}
d3.time.day = function(date) {
return new Date(date.getFullYear(), date.getMonth(), date.getDate());
};
d3.time.day.utc = function(date) {
return new Date(~~(date / 864e5) * 864e5);
};
d3.time.days = d3_time_range(d3.time.day, function(date) {
date.setDate(date.getDate() + 1);
}, function(date) {
return date.getDate() - 1;
});
d3.time.days.utc = d3_time_range(d3.time.day.utc, function(date) {
date.setUTCDate(date.getUTCDate() + 1);
}, function(date) {
return date.getUTCDate() - 1;
});
d3.time.week = function(date) {
(date = d3.time.day(date)).setDate(date.getDate() - date.getDay());
return date;
};
d3.time.week.utc = function(date) {
(date = d3.time.day.utc(date)).setUTCDate(date.getUTCDate() - date.getUTCDay());
return date;
};
d3.time.weeks = d3_time_range(d3.time.week, function(date) {
date.setDate(date.getDate() + 7);
}, function(date) {
return ~~((date - new Date(date.getFullYear(), 0, 1)) / 6048e5);
});
d3.time.weeks.utc = d3_time_range(d3.time.week.utc, function(date) {
date.setUTCDate(date.getUTCDate() + 7);
}, function(date) {
return ~~((date - Date.UTC(date.getUTCFullYear(), 0, 1)) / 6048e5);
});
d3.time.month = function(date) {
return new Date(date.getFullYear(), date.getMonth(), 1);
};
d3.time.month.utc = function(date) {
return new Date(Date.UTC(date.getUTCFullYear(), date.getUTCMonth(), 1));
};
d3.time.months = d3_time_range(d3.time.month, function(date) {
date.setMonth(date.getMonth() + 1);
}, function(date) {
return date.getMonth();
});
d3.time.months.utc = d3_time_range(d3.time.month.utc, function(date) {
date.setUTCMonth(date.getUTCMonth() + 1);
}, function(date) {
return date.getUTCMonth();
});
d3.time.year = function(date) {
return new Date(date.getFullYear(), 0, 1);
};
d3.time.year.utc = function(date) {
return new Date(Date.UTC(date.getUTCFullYear(), 0, 1));
};
d3.time.years = d3_time_range(d3.time.year, function(date) {
date.setFullYear(date.getFullYear() + 1);
}, function(date) {
return date.getFullYear();
});
d3.time.years.utc = d3_time_range(d3.time.year.utc, function(date) {
date.setUTCFullYear(date.getUTCFullYear() + 1);
}, function(date) {
return date.getUTCFullYear();
});
// TODO nice
function d3_time_scale(linear, methods, format) {
function scale(x) {
return linear(x);
}
scale.invert = function(x) {
return d3_time_scaleDate(linear.invert(x));
};
scale.domain = function(x) {
if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
linear.domain(x);
return scale;
};
scale.ticks = function(m, k) {
var extent = d3_time_scaleExtent(scale.domain());
if (typeof m !== "function") {
var span = extent[1] - extent[0],
target = span / m,
i = d3.bisect(d3_time_scaleSteps, target, 1, d3_time_scaleSteps.length - 1);
if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target)) --i;
m = methods[i];
k = m[1];
m = m[0];
}
return m(extent[0], extent[1], k);
};
scale.tickFormat = function() {
return format;
};
scale.copy = function() {
return d3_time_scale(linear.copy(), methods, format);
};
// TOOD expose d3_scale_linear_rebind?
scale.range = d3.rebind(scale, linear.range);
scale.rangeRound = d3.rebind(scale, linear.rangeRound);
scale.interpolate = d3.rebind(scale, linear.interpolate);
scale.clamp = d3.rebind(scale, linear.clamp);
return scale;
}
// TODO expose d3_scaleExtent?
function d3_time_scaleExtent(domain) {
var start = domain[0], stop = domain[domain.length - 1];
return start < stop ? [start, stop] : [stop, start];
}
function d3_time_scaleDate(t) {
return new Date(t);
}
function d3_time_scaleFormat(formats) {
return function(date) {
var i = formats.length - 1, f = formats[i];
while (!f[1](date)) f = formats[--i];
return f[0](date);
};
}
var d3_time_scaleSteps = [
1e3, // 1-second
5e3, // 5-second
15e3, // 15-second
3e4, // 30-second
6e4, // 1-minute
3e5, // 5-minute
9e5, // 15-minute
18e5, // 30-minute
36e5, // 1-hour
108e5, // 3-hour
216e5, // 6-hour
432e5, // 12-hour
864e5, // 1-day
1728e5, // 2-day
6048e5, // 1-week
1728e6, // 1-month
7776e6, // 3-month
31536e6 // 1-year
];
var d3_time_scaleLocalMethods = [
[d3.time.seconds, 1],
[d3.time.seconds, 5],
[d3.time.seconds, 15],
[d3.time.seconds, 30],
[d3.time.minutes, 1],
[d3.time.minutes, 5],
[d3.time.minutes, 15],
[d3.time.minutes, 30],
[d3.time.hours, 1],
[d3.time.hours, 3],
[d3.time.hours, 6],
[d3.time.hours, 12],
[d3.time.days, 1],
[d3.time.days, 2],
[d3.time.weeks, 1],
[d3.time.months, 1],
[d3.time.months, 3],
[d3.time.years, 1]
];
var d3_time_scaleLocalFormats = [
[d3.time.format("%Y"), function(d) { return true; }],
[d3.time.format("%B"), function(d) { return d.getMonth(); }],
[d3.time.format("%b %d"), function(d) { return d.getDate() != 1; }],
[d3.time.format("%a %d"), function(d) { return d.getDay() && d.getDate() != 1; }],
[d3.time.format("%I %p"), function(d) { return d.getHours(); }],
[d3.time.format("%I:%M"), function(d) { return d.getMinutes(); }],
[d3.time.format(":%S"), function(d) { return d.getSeconds() || d.getMilliseconds(); }]
];
var d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats);
d3.time.scale = function() {
return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
};
var d3_time_scaleUTCMethods = [
[d3.time.seconds.utc, 1],
[d3.time.seconds.utc, 5],
[d3.time.seconds.utc, 15],
[d3.time.seconds.utc, 30],
[d3.time.minutes.utc, 1],
[d3.time.minutes.utc, 5],
[d3.time.minutes.utc, 15],
[d3.time.minutes.utc, 30],
[d3.time.hours.utc, 1],
[d3.time.hours.utc, 3],
[d3.time.hours.utc, 6],
[d3.time.hours.utc, 12],
[d3.time.days.utc, 1],
[d3.time.days.utc, 2],
[d3.time.weeks.utc, 1],
[d3.time.months.utc, 1],
[d3.time.months.utc, 3],
[d3.time.years.utc, 1]
];
var d3_time_scaleUTCFormats = [
[d3.time.format.utc("%Y"), function(d) { return true; }],
[d3.time.format.utc("%B"), function(d) { return d.getUTCMonth(); }],
[d3.time.format.utc("%b %d"), function(d) { return d.getUTCDate() != 1; }],
[d3.time.format.utc("%a %d"), function(d) { return d.getUTCDay() && d.getUTCDate() != 1; }],
[d3.time.format.utc("%I %p"), function(d) { return d.getUTCHours(); }],
[d3.time.format.utc("%I:%M"), function(d) { return d.getUTCMinutes(); }],
[d3.time.format.utc(":%S"), function(d) { return d.getUTCSeconds() || d.getUTCMilliseconds(); }]
];
var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);
d3.time.scale.utc = function() {
return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
};
})();