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Diffstat (limited to 'tipboard/static/js/lib/jqplot/plugins/jqplot.dateAxisRenderer.js')
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diff --git a/tipboard/static/js/lib/jqplot/plugins/jqplot.dateAxisRenderer.js b/tipboard/static/js/lib/jqplot/plugins/jqplot.dateAxisRenderer.js new file mode 100644 index 0000000..e371a28 --- /dev/null +++ b/tipboard/static/js/lib/jqplot/plugins/jqplot.dateAxisRenderer.js @@ -0,0 +1,741 @@ +/** + * jqPlot + * Pure JavaScript plotting plugin using jQuery + * + * Version: 1.0.8 + * Revision: 1250 + * + * Copyright (c) 2009-2013 Chris Leonello + * jqPlot is currently available for use in all personal or commercial projects + * under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL + * version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can + * choose the license that best suits your project and use it accordingly. + * + * Although not required, the author would appreciate an email letting him + * know of any substantial use of jqPlot. You can reach the author at: + * chris at jqplot dot com or see http://www.jqplot.com/info.php . + * + * If you are feeling kind and generous, consider supporting the project by + * making a donation at: http://www.jqplot.com/donate.php . + * + * sprintf functions contained in jqplot.sprintf.js by Ash Searle: + * + * version 2007.04.27 + * author Ash Searle + * http://hexmen.com/blog/2007/03/printf-sprintf/ + * http://hexmen.com/js/sprintf.js + * The author (Ash Searle) has placed this code in the public domain: + * "This code is unrestricted: you are free to use it however you like." + * + */ +(function($) { + /** + * Class: $.jqplot.DateAxisRenderer + * A plugin for a jqPlot to render an axis as a series of date values. + * This renderer has no options beyond those supplied by the <Axis> class. + * It supplies its own tick formatter, so the tickOptions.formatter option + * should not be overridden. + * + * Thanks to Ken Synder for his enhanced Date instance methods which are + * included with this code <http://kendsnyder.com/sandbox/date/>. + * + * To use this renderer, include the plugin in your source + * > <script type="text/javascript" language="javascript" src="plugins/jqplot.dateAxisRenderer.js"></script> + * + * and supply the appropriate options to your plot + * + * > {axes:{xaxis:{renderer:$.jqplot.DateAxisRenderer}}} + * + * Dates can be passed into the axis in almost any recognizable value and + * will be parsed. They will be rendered on the axis in the format + * specified by tickOptions.formatString. e.g. tickOptions.formatString = '%Y-%m-%d'. + * + * Accecptable format codes + * are: + * + * > Code Result Description + * > == Years == + * > %Y 2008 Four-digit year + * > %y 08 Two-digit year + * > == Months == + * > %m 09 Two-digit month + * > %#m 9 One or two-digit month + * > %B September Full month name + * > %b Sep Abbreviated month name + * > == Days == + * > %d 05 Two-digit day of month + * > %#d 5 One or two-digit day of month + * > %e 5 One or two-digit day of month + * > %A Sunday Full name of the day of the week + * > %a Sun Abbreviated name of the day of the week + * > %w 0 Number of the day of the week (0 = Sunday, 6 = Saturday) + * > %o th The ordinal suffix string following the day of the month + * > == Hours == + * > %H 23 Hours in 24-hour format (two digits) + * > %#H 3 Hours in 24-hour integer format (one or two digits) + * > %I 11 Hours in 12-hour format (two digits) + * > %#I 3 Hours in 12-hour integer format (one or two digits) + * > %p PM AM or PM + * > == Minutes == + * > %M 09 Minutes (two digits) + * > %#M 9 Minutes (one or two digits) + * > == Seconds == + * > %S 02 Seconds (two digits) + * > %#S 2 Seconds (one or two digits) + * > %s 1206567625723 Unix timestamp (Seconds past 1970-01-01 00:00:00) + * > == Milliseconds == + * > %N 008 Milliseconds (three digits) + * > %#N 8 Milliseconds (one to three digits) + * > == Timezone == + * > %O 360 difference in minutes between local time and GMT + * > %Z Mountain Standard Time Name of timezone as reported by browser + * > %G -06:00 Hours and minutes between GMT + * > == Shortcuts == + * > %F 2008-03-26 %Y-%m-%d + * > %T 05:06:30 %H:%M:%S + * > %X 05:06:30 %H:%M:%S + * > %x 03/26/08 %m/%d/%y + * > %D 03/26/08 %m/%d/%y + * > %#c Wed Mar 26 15:31:00 2008 %a %b %e %H:%M:%S %Y + * > %v 3-Sep-2008 %e-%b-%Y + * > %R 15:31 %H:%M + * > %r 3:31:00 PM %I:%M:%S %p + * > == Characters == + * > %n \n Newline + * > %t \t Tab + * > %% % Percent Symbol + */ + $.jqplot.DateAxisRenderer = function() { + $.jqplot.LinearAxisRenderer.call(this); + this.date = new $.jsDate(); + }; + + var second = 1000; + var minute = 60 * second; + var hour = 60 * minute; + var day = 24 * hour; + var week = 7 * day; + + // these are less definitive + var month = 30.4368499 * day; + var year = 365.242199 * day; + + var daysInMonths = [31,28,31,30,31,30,31,30,31,30,31,30]; + // array of consistent nice intervals. Longer intervals + // will depend on days in month, days in year, etc. + var niceFormatStrings = ['%M:%S.%#N', '%M:%S.%#N', '%M:%S.%#N', '%M:%S', '%M:%S', '%M:%S', '%M:%S', '%H:%M:%S', '%H:%M:%S', '%H:%M', '%H:%M', '%H:%M', '%H:%M', '%H:%M', '%H:%M', '%a %H:%M', '%a %H:%M', '%b %e %H:%M', '%b %e %H:%M', '%b %e %H:%M', '%b %e %H:%M', '%v', '%v', '%v', '%v', '%v', '%v', '%v']; + var niceIntervals = [0.1*second, 0.2*second, 0.5*second, second, 2*second, 5*second, 10*second, 15*second, 30*second, minute, 2*minute, 5*minute, 10*minute, 15*minute, 30*minute, hour, 2*hour, 4*hour, 6*hour, 8*hour, 12*hour, day, 2*day, 3*day, 4*day, 5*day, week, 2*week]; + + var niceMonthlyIntervals = []; + + function bestDateInterval(min, max, titarget) { + // iterate through niceIntervals to find one closest to titarget + var badness = Number.MAX_VALUE; + var temp, bestTi, bestfmt; + for (var i=0, l=niceIntervals.length; i < l; i++) { + temp = Math.abs(titarget - niceIntervals[i]); + if (temp < badness) { + badness = temp; + bestTi = niceIntervals[i]; + bestfmt = niceFormatStrings[i]; + } + } + + return [bestTi, bestfmt]; + } + + $.jqplot.DateAxisRenderer.prototype = new $.jqplot.LinearAxisRenderer(); + $.jqplot.DateAxisRenderer.prototype.constructor = $.jqplot.DateAxisRenderer; + + $.jqplot.DateTickFormatter = function(format, val) { + if (!format) { + format = '%Y/%m/%d'; + } + return $.jsDate.strftime(val, format); + }; + + $.jqplot.DateAxisRenderer.prototype.init = function(options){ + // prop: tickRenderer + // A class of a rendering engine for creating the ticks labels displayed on the plot, + // See <$.jqplot.AxisTickRenderer>. + // this.tickRenderer = $.jqplot.AxisTickRenderer; + // this.labelRenderer = $.jqplot.AxisLabelRenderer; + this.tickOptions.formatter = $.jqplot.DateTickFormatter; + // prop: tickInset + // Controls the amount to inset the first and last ticks from + // the edges of the grid, in multiples of the tick interval. + // 0 is no inset, 0.5 is one half a tick interval, 1 is a full + // tick interval, etc. + this.tickInset = 0; + // prop: drawBaseline + // True to draw the axis baseline. + this.drawBaseline = true; + // prop: baselineWidth + // width of the baseline in pixels. + this.baselineWidth = null; + // prop: baselineColor + // CSS color spec for the baseline. + this.baselineColor = null; + this.daTickInterval = null; + this._daTickInterval = null; + + $.extend(true, this, options); + + var db = this._dataBounds, + stats, + sum, + s, + d, + pd, + sd, + intv; + + // Go through all the series attached to this axis and find + // the min/max bounds for this axis. + for (var i=0; i<this._series.length; i++) { + stats = {intervals:[], frequencies:{}, sortedIntervals:[], min:null, max:null, mean:null}; + sum = 0; + s = this._series[i]; + d = s.data; + pd = s._plotData; + sd = s._stackData; + intv = 0; + + for (var j=0; j<d.length; j++) { + if (this.name == 'xaxis' || this.name == 'x2axis') { + d[j][0] = new $.jsDate(d[j][0]).getTime(); + pd[j][0] = new $.jsDate(d[j][0]).getTime(); + sd[j][0] = new $.jsDate(d[j][0]).getTime(); + if ((d[j][0] != null && d[j][0] < db.min) || db.min == null) { + db.min = d[j][0]; + } + if ((d[j][0] != null && d[j][0] > db.max) || db.max == null) { + db.max = d[j][0]; + } + if (j>0) { + intv = Math.abs(d[j][0] - d[j-1][0]); + stats.intervals.push(intv); + if (stats.frequencies.hasOwnProperty(intv)) { + stats.frequencies[intv] += 1; + } + else { + stats.frequencies[intv] = 1; + } + } + sum += intv; + + } + else { + d[j][1] = new $.jsDate(d[j][1]).getTime(); + pd[j][1] = new $.jsDate(d[j][1]).getTime(); + sd[j][1] = new $.jsDate(d[j][1]).getTime(); + if ((d[j][1] != null && d[j][1] < db.min) || db.min == null) { + db.min = d[j][1]; + } + if ((d[j][1] != null && d[j][1] > db.max) || db.max == null) { + db.max = d[j][1]; + } + if (j>0) { + intv = Math.abs(d[j][1] - d[j-1][1]); + stats.intervals.push(intv); + if (stats.frequencies.hasOwnProperty(intv)) { + stats.frequencies[intv] += 1; + } + else { + stats.frequencies[intv] = 1; + } + } + } + sum += intv; + } + + if (s.renderer.bands) { + if (s.renderer.bands.hiData.length) { + var bd = s.renderer.bands.hiData; + for (var j=0, l=bd.length; j < l; j++) { + if (this.name === 'xaxis' || this.name === 'x2axis') { + bd[j][0] = new $.jsDate(bd[j][0]).getTime(); + if ((bd[j][0] != null && bd[j][0] > db.max) || db.max == null) { + db.max = bd[j][0]; + } + } + else { + bd[j][1] = new $.jsDate(bd[j][1]).getTime(); + if ((bd[j][1] != null && bd[j][1] > db.max) || db.max == null) { + db.max = bd[j][1]; + } + } + } + } + if (s.renderer.bands.lowData.length) { + var bd = s.renderer.bands.lowData; + for (var j=0, l=bd.length; j < l; j++) { + if (this.name === 'xaxis' || this.name === 'x2axis') { + bd[j][0] = new $.jsDate(bd[j][0]).getTime(); + if ((bd[j][0] != null && bd[j][0] < db.min) || db.min == null) { + db.min = bd[j][0]; + } + } + else { + bd[j][1] = new $.jsDate(bd[j][1]).getTime(); + if ((bd[j][1] != null && bd[j][1] < db.min) || db.min == null) { + db.min = bd[j][1]; + } + } + } + } + } + + var tempf = 0, + tempn=0; + for (var n in stats.frequencies) { + stats.sortedIntervals.push({interval:n, frequency:stats.frequencies[n]}); + } + stats.sortedIntervals.sort(function(a, b){ + return b.frequency - a.frequency; + }); + + stats.min = $.jqplot.arrayMin(stats.intervals); + stats.max = $.jqplot.arrayMax(stats.intervals); + stats.mean = sum/d.length; + this._intervalStats.push(stats); + stats = sum = s = d = pd = sd = null; + } + db = null; + + }; + + // called with scope of an axis + $.jqplot.DateAxisRenderer.prototype.reset = function() { + this.min = this._options.min; + this.max = this._options.max; + this.tickInterval = this._options.tickInterval; + this.numberTicks = this._options.numberTicks; + this._autoFormatString = ''; + if (this._overrideFormatString && this.tickOptions && this.tickOptions.formatString) { + this.tickOptions.formatString = ''; + } + this.daTickInterval = this._daTickInterval; + // this._ticks = this.__ticks; + }; + + $.jqplot.DateAxisRenderer.prototype.createTicks = function(plot) { + // we're are operating on an axis here + var ticks = this._ticks; + var userTicks = this.ticks; + var name = this.name; + // databounds were set on axis initialization. + var db = this._dataBounds; + var iv = this._intervalStats; + var dim = (this.name.charAt(0) === 'x') ? this._plotDimensions.width : this._plotDimensions.height; + var interval; + var min, max; + var pos1, pos2; + var tt, i; + var threshold = 30; + var insetMult = 1; + var daTickInterval = null; + + // if user specified a tick interval, convert to usable. + if (this.tickInterval != null) + { + // if interval is a number or can be converted to one, use it. + // Assume it is in SECONDS!!! + if (Number(this.tickInterval)) { + daTickInterval = [Number(this.tickInterval), 'seconds']; + } + // else, parse out something we can build from. + else if (typeof this.tickInterval == "string") { + var parts = this.tickInterval.split(' '); + if (parts.length == 1) { + daTickInterval = [1, parts[0]]; + } + else if (parts.length == 2) { + daTickInterval = [parts[0], parts[1]]; + } + } + } + + var tickInterval = this.tickInterval; + + // if we already have ticks, use them. + // ticks must be in order of increasing value. + + min = new $.jsDate((this.min != null) ? this.min : db.min).getTime(); + max = new $.jsDate((this.max != null) ? this.max : db.max).getTime(); + + // see if we're zooming. if we are, don't use the min and max we're given, + // but compute some nice ones. They will be reset later. + + var cursor = plot.plugins.cursor; + + if (cursor && cursor._zoom && cursor._zoom.zooming) { + this.min = null; + this.max = null; + } + + var range = max - min; + + if (this.tickOptions == null || !this.tickOptions.formatString) { + this._overrideFormatString = true; + } + + if (userTicks.length) { + // ticks could be 1D or 2D array of [val, val, ,,,] or [[val, label], [val, label], ...] or mixed + for (i=0; i<userTicks.length; i++){ + var ut = userTicks[i]; + var t = new this.tickRenderer(this.tickOptions); + if (ut.constructor == Array) { + t.value = new $.jsDate(ut[0]).getTime(); + t.label = ut[1]; + if (!this.showTicks) { + t.showLabel = false; + t.showMark = false; + } + else if (!this.showTickMarks) { + t.showMark = false; + } + t.setTick(t.value, this.name); + this._ticks.push(t); + } + + else { + t.value = new $.jsDate(ut).getTime(); + if (!this.showTicks) { + t.showLabel = false; + t.showMark = false; + } + else if (!this.showTickMarks) { + t.showMark = false; + } + t.setTick(t.value, this.name); + this._ticks.push(t); + } + } + this.numberTicks = userTicks.length; + this.min = this._ticks[0].value; + this.max = this._ticks[this.numberTicks-1].value; + this.daTickInterval = [(this.max - this.min) / (this.numberTicks - 1)/1000, 'seconds']; + } + + //////// + // We don't have any ticks yet, let's make some! + //////// + + // special case when there is only one point, make three tick marks to center the point + else if (this.min == null && this.max == null && db.min == db.max) + { + var onePointOpts = $.extend(true, {}, this.tickOptions, {name: this.name, value: null}); + var delta = 300000; + this.min = db.min - delta; + this.max = db.max + delta; + this.numberTicks = 3; + + for(var i=this.min;i<=this.max;i+= delta) + { + onePointOpts.value = i; + + var t = new this.tickRenderer(onePointOpts); + + if (this._overrideFormatString && this._autoFormatString != '') { + t.formatString = this._autoFormatString; + } + + t.showLabel = false; + t.showMark = false; + + this._ticks.push(t); + } + + if(this.showTicks) { + this._ticks[1].showLabel = true; + } + if(this.showTickMarks) { + this._ticks[1].showTickMarks = true; + } + } + // if user specified min and max are null, we set those to make best ticks. + else if (this.min == null && this.max == null) { + + var opts = $.extend(true, {}, this.tickOptions, {name: this.name, value: null}); + + // want to find a nice interval + var nttarget, + titarget; + + // if no tickInterval or numberTicks options specified, make a good guess. + if (!this.tickInterval && !this.numberTicks) { + var tdim = Math.max(dim, threshold+1); + // how many ticks to put on the axis? + // date labels tend to be long. If ticks not rotated, + // don't use too many and have a high spacing factor. + // If we are rotating ticks, use a lower factor. + var spacingFactor = 115; + if (this.tickRenderer === $.jqplot.CanvasAxisTickRenderer && this.tickOptions.angle) { + spacingFactor = 115 - 40 * Math.abs(Math.sin(this.tickOptions.angle/180*Math.PI)); + } + + nttarget = Math.ceil((tdim-threshold)/spacingFactor + 1); + titarget = (max - min) / (nttarget - 1); + } + + // If tickInterval is specified, we'll try to honor it. + // Not guaranteed to get this interval, but we'll get as close as + // we can. + // tickInterval will be used before numberTicks, that is if + // both are specified, numberTicks will be ignored. + else if (this.tickInterval) { + titarget = new $.jsDate(0).add(daTickInterval[0], daTickInterval[1]).getTime(); + } + + // if numberTicks specified, try to honor it. + // Not guaranteed, but will try to get close. + else if (this.numberTicks) { + nttarget = this.numberTicks; + titarget = (max - min) / (nttarget - 1); + } + + // If we can use an interval of 2 weeks or less, pick best one + if (titarget <= 19*day) { + var ret = bestDateInterval(min, max, titarget); + var tempti = ret[0]; + this._autoFormatString = ret[1]; + + min = new $.jsDate(min); + min = Math.floor((min.getTime() - min.getUtcOffset())/tempti) * tempti + min.getUtcOffset(); + + nttarget = Math.ceil((max - min) / tempti) + 1; + this.min = min; + this.max = min + (nttarget - 1) * tempti; + + // if max is less than max, add an interval + if (this.max < max) { + this.max += tempti; + nttarget += 1; + } + this.tickInterval = tempti; + this.numberTicks = nttarget; + + for (var i=0; i<nttarget; i++) { + opts.value = this.min + i * tempti; + t = new this.tickRenderer(opts); + + if (this._overrideFormatString && this._autoFormatString != '') { + t.formatString = this._autoFormatString; + } + if (!this.showTicks) { + t.showLabel = false; + t.showMark = false; + } + else if (!this.showTickMarks) { + t.showMark = false; + } + this._ticks.push(t); + } + + insetMult = this.tickInterval; + } + + // should we use a monthly interval? + else if (titarget <= 9 * month) { + + this._autoFormatString = '%v'; + + // how many months in an interval? + var intv = Math.round(titarget/month); + if (intv < 1) { + intv = 1; + } + else if (intv > 6) { + intv = 6; + } + + // figure out the starting month and ending month. + var mstart = new $.jsDate(min).setDate(1).setHours(0,0,0,0); + + // See if max ends exactly on a month + var tempmend = new $.jsDate(max); + var mend = new $.jsDate(max).setDate(1).setHours(0,0,0,0); + + if (tempmend.getTime() !== mend.getTime()) { + mend = mend.add(1, 'month'); + } + + var nmonths = mend.diff(mstart, 'month'); + + nttarget = Math.ceil(nmonths/intv) + 1; + + this.min = mstart.getTime(); + this.max = mstart.clone().add((nttarget - 1) * intv, 'month').getTime(); + this.numberTicks = nttarget; + + for (var i=0; i<nttarget; i++) { + if (i === 0) { + opts.value = mstart.getTime(); + } + else { + opts.value = mstart.add(intv, 'month').getTime(); + } + t = new this.tickRenderer(opts); + + if (this._overrideFormatString && this._autoFormatString != '') { + t.formatString = this._autoFormatString; + } + if (!this.showTicks) { + t.showLabel = false; + t.showMark = false; + } + else if (!this.showTickMarks) { + t.showMark = false; + } + this._ticks.push(t); + } + + insetMult = intv * month; + } + + // use yearly intervals + else { + + this._autoFormatString = '%v'; + + // how many years in an interval? + var intv = Math.round(titarget/year); + if (intv < 1) { + intv = 1; + } + + // figure out the starting and ending years. + var mstart = new $.jsDate(min).setMonth(0, 1).setHours(0,0,0,0); + var mend = new $.jsDate(max).add(1, 'year').setMonth(0, 1).setHours(0,0,0,0); + + var nyears = mend.diff(mstart, 'year'); + + nttarget = Math.ceil(nyears/intv) + 1; + + this.min = mstart.getTime(); + this.max = mstart.clone().add((nttarget - 1) * intv, 'year').getTime(); + this.numberTicks = nttarget; + + for (var i=0; i<nttarget; i++) { + if (i === 0) { + opts.value = mstart.getTime(); + } + else { + opts.value = mstart.add(intv, 'year').getTime(); + } + t = new this.tickRenderer(opts); + + if (this._overrideFormatString && this._autoFormatString != '') { + t.formatString = this._autoFormatString; + } + if (!this.showTicks) { + t.showLabel = false; + t.showMark = false; + } + else if (!this.showTickMarks) { + t.showMark = false; + } + this._ticks.push(t); + } + + insetMult = intv * year; + } + } + + //////// + // Some option(s) specified, work around that. + //////// + + else { + if (name == 'xaxis' || name == 'x2axis') { + dim = this._plotDimensions.width; + } + else { + dim = this._plotDimensions.height; + } + + // if min, max and number of ticks specified, user can't specify interval. + if (this.min != null && this.max != null && this.numberTicks != null) { + this.tickInterval = null; + } + + if (this.tickInterval != null && daTickInterval != null) { + this.daTickInterval = daTickInterval; + } + + // if min and max are same, space them out a bit + if (min == max) { + var adj = 24*60*60*500; // 1/2 day + min -= adj; + max += adj; + } + + range = max - min; + + var optNumTicks = 2 + parseInt(Math.max(0, dim-100)/100, 10); + + + var rmin, rmax; + + rmin = (this.min != null) ? new $.jsDate(this.min).getTime() : min - range/2*(this.padMin - 1); + rmax = (this.max != null) ? new $.jsDate(this.max).getTime() : max + range/2*(this.padMax - 1); + this.min = rmin; + this.max = rmax; + range = this.max - this.min; + + if (this.numberTicks == null){ + // if tickInterval is specified by user, we will ignore computed maximum. + // max will be equal or greater to fit even # of ticks. + if (this.daTickInterval != null) { + var nc = new $.jsDate(this.max).diff(this.min, this.daTickInterval[1], true); + this.numberTicks = Math.ceil(nc/this.daTickInterval[0]) +1; + // this.max = new $.jsDate(this.min).add(this.numberTicks-1, this.daTickInterval[1]).getTime(); + this.max = new $.jsDate(this.min).add((this.numberTicks-1) * this.daTickInterval[0], this.daTickInterval[1]).getTime(); + } + else if (dim > 200) { + this.numberTicks = parseInt(3+(dim-200)/100, 10); + } + else { + this.numberTicks = 2; + } + } + + insetMult = range / (this.numberTicks-1)/1000; + + if (this.daTickInterval == null) { + this.daTickInterval = [insetMult, 'seconds']; + } + + + for (var i=0; i<this.numberTicks; i++){ + var min = new $.jsDate(this.min); + tt = min.add(i*this.daTickInterval[0], this.daTickInterval[1]).getTime(); + var t = new this.tickRenderer(this.tickOptions); + // var t = new $.jqplot.AxisTickRenderer(this.tickOptions); + if (!this.showTicks) { + t.showLabel = false; + t.showMark = false; + } + else if (!this.showTickMarks) { + t.showMark = false; + } + t.setTick(tt, this.name); + this._ticks.push(t); + } + } + + if (this.tickInset) { + this.min = this.min - this.tickInset * insetMult; + this.max = this.max + this.tickInset * insetMult; + } + + if (this._daTickInterval == null) { + this._daTickInterval = this.daTickInterval; + } + + ticks = null; + }; + +})(jQuery); + |