diff options
author | gnowgi <nagarjun@gnowledge.org> | 2012-03-15 16:19:20 +0530 |
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committer | gnowgi <nagarjun@gnowledge.org> | 2012-03-15 16:19:20 +0530 |
commit | 7a4f561e851fdc7246d804c3abb6748b8a4199a6 (patch) | |
tree | d2afc3463fd49625a9be482012f5c3bfcf7c42b9 /gstudio/static/gstudio/js/d3.time.js | |
download | gnowsys-7a4f561e851fdc7246d804c3abb6748b8a4199a6.tar.gz |
master trunk of gnowsys-studio
Diffstat (limited to 'gstudio/static/gstudio/js/d3.time.js')
-rw-r--r-- | gstudio/static/gstudio/js/d3.time.js | 687 |
1 files changed, 687 insertions, 0 deletions
diff --git a/gstudio/static/gstudio/js/d3.time.js b/gstudio/static/gstudio/js/d3.time.js new file mode 100644 index 0000000..4c1cda4 --- /dev/null +++ b/gstudio/static/gstudio/js/d3.time.js @@ -0,0 +1,687 @@ +(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(); +}); + +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? + return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); +} + +// 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); +}; +})(); |