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/*** 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 $.jsDate();};var second = 1000;var minute = 60 * second;var hour = 60 * minute;var day = 24 * hour;var week = 7 * day;// these are less definitivevar month = 30.4368499 * day;var year = 365.242199 * day;var daysInMonths = [31,28,31,30,31,30,31,30,31,30,31,30];// array of consistent nice intervals. Longer intervals// will depend on days in month, days in year, etc.var niceFormatStrings = ['%M:%S.%#N', '%M:%S.%#N', '%M:%S.%#N', '%M:%S', '%M:%S', '%M:%S', '%M:%S', '%H:%M:%S', '%H:%M:%S', '%H:%M', '%H:%M', '%H:%M', '%H:%M', '%H:%M', '%H:%M', '%a %H:%M', '%a %H:%M', '%b %e %H:%M', '%b %e %H:%M', '%b %e %H:%M', '%b %e %H:%M', '%v', '%v', '%v', '%v', '%v', '%v', '%v'];var niceIntervals = [0.1*second, 0.2*second, 0.5*second, second, 2*second, 5*second, 10*second, 15*second, 30*second, minute, 2*minute, 5*minute, 10*minute, 15*minute, 30*minute, hour, 2*hour, 4*hour, 6*hour, 8*hour, 12*hour, day, 2*day, 3*day, 4*day, 5*day, week, 2*week];var niceMonthlyIntervals = [];function bestDateInterval(min, max, titarget) {// iterate through niceIntervals to find one closest to titargetvar badness = Number.MAX_VALUE;var temp, bestTi, bestfmt;for (var i=0, l=niceIntervals.length; i < l; i++) {temp = Math.abs(titarget - niceIntervals[i]);if (temp < badness) {badness = temp;bestTi = niceIntervals[i];bestfmt = niceFormatStrings[i];}}return [bestTi, bestfmt];}$.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 herevar 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 mixedfor (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 pointelse 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 intervalvar 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 oneif (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 intervalif (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 monthvar 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 intervalselse {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 bitif (min == max) {var adj = 24*60*60*500; // 1/2 daymin -= 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);