www/jqplot.dateAxisRenderer.js

   1 /**
   2  * jqPlot
   3  * Pure JavaScript plotting plugin using jQuery
   4  *
   5  * Version: 1.0.0b2_r792
   6  *
   7  * Copyright (c) 2009-2011 Chris Leonello
   8  * jqPlot is currently available for use in all personal or commercial projects
   9  * under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL
  10  * version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can
  11  * choose the license that best suits your project and use it accordingly.
  12  *
  13  * Although not required, the author would appreciate an email letting him
  14  * know of any substantial use of jqPlot.  You can reach the author at:
  15  * chris at jqplot dot com or see http://www.jqplot.com/info.php .
  16  *
  17  * If you are feeling kind and generous, consider supporting the project by
  18  * making a donation at: http://www.jqplot.com/donate.php .
  19  *
  20  * sprintf functions contained in jqplot.sprintf.js by Ash Searle:
  21  *
  22  *     version 2007.04.27
  23  *     author Ash Searle
  24  *     http://hexmen.com/blog/2007/03/printf-sprintf/
  25  *     http://hexmen.com/js/sprintf.js
  26  *     The author (Ash Searle) has placed this code in the public domain:
  27  *     "This code is unrestricted: you are free to use it however you like."
  28  *
  29  */
  30 (function(a){a.jqplot.DateAxisRenderer=function(){a.jqplot.LinearAxisRenderer.call(this);this.date=new a.jsDate()};a.jqplot.DateAxisRenderer.prototype=new a.jqplot.LinearAxisRenderer();a.jqplot.DateAxisRenderer.prototype.constructor=a.jqplot.DateAxisRenderer;a.jqplot.DateTickFormatter=function(b,c){if(!b){b="%Y/%m/%d"}return a.jsDate.strftime(c,b)};a.jqplot.DateAxisRenderer.prototype.init=function(t){this.tickOptions.formatter=a.jqplot.DateTickFormatter;this.daTickInterval=null;this._daTickInterval=null;a.extend(true,this,t);var q=this._dataBounds,g,k,r,l,o,m,b;for(var f=0;f<this._series.length;f++){g={intervals:[],frequencies:{},sortedIntervals:[],min:null,max:null,mean:null};k=0;r=this._series[f];l=r.data;o=r._plotData;m=r._stackData;b=0;for(var e=0;e<l.length;e++){if(this.name=="xaxis"||this.name=="x2axis"){l[e][0]=new a.jsDate(l[e][0]).getTime();o[e][0]=new a.jsDate(l[e][0]).getTime();m[e][0]=new a.jsDate(l[e][0]).getTime();if((l[e][0]!=null&&l[e][0]<q.min)||q.min==null){q.min=l[e][0]}if((l[e][0]!=null&&l[e][0]>q.max)||q.max==null){q.max=l[e][0]}if(e>0){b=Math.abs(l[e][0]-l[e-1][0]);g.intervals.push(b);if(g.frequencies.hasOwnProperty(b)){g.frequencies[b]+=1}else{g.frequencies[b]=1}}k+=b}else{l[e][1]=new a.jsDate(l[e][1]).getTime();o[e][1]=new a.jsDate(l[e][1]).getTime();m[e][1]=new a.jsDate(l[e][1]).getTime();if((l[e][1]!=null&&l[e][1]<q.min)||q.min==null){q.min=l[e][1]}if((l[e][1]!=null&&l[e][1]>q.max)||q.max==null){q.max=l[e][1]}if(e>0){b=Math.abs(l[e][1]-l[e-1][1]);g.intervals.push(b);if(g.frequencies.hasOwnProperty(b)){g.frequencies[b]+=1}else{g.frequencies[b]=1}}}k+=b}var p=0,h=0;for(var c in g.frequencies){g.sortedIntervals.push({interval:c,frequency:g.frequencies[c]})}g.sortedIntervals.sort(function(i,d){return d.frequency-i.frequency});g.min=a.jqplot.arrayMin(g.intervals);g.max=a.jqplot.arrayMax(g.intervals);g.mean=k/l.length;this._intervalStats.push(g);g=k=r=l=o=m=null}q=null};a.jqplot.DateAxisRenderer.prototype.reset=function(){this.min=this._min;this.max=this._max;this.tickInterval=this._tickInterval;this.numberTicks=this._numberTicks;this.daTickInterval=this._daTickInterval};a.jqplot.DateAxisRenderer.prototype.createTicks=function(){var z=this._ticks;var w=this.ticks;var B=this.name;var y=this._dataBounds;var e=this._intervalStats;var q,x;var o,s;var d,c;var b,u;o=((this.min!=null)?new a.jsDate(this.min).getTime():y.min);s=((this.max!=null)?new a.jsDate(this.max).getTime():y.max);var k=s-o;if(w.length){for(u=0;u<w.length;u++){var g=w[u];var j=new this.tickRenderer(this.tickOptions);if(g.constructor==Array){j.value=new a.jsDate(g[0]).getTime();j.label=g[1];if(!this.showTicks){j.showLabel=false;j.showMark=false}else{if(!this.showTickMarks){j.showMark=false}}j.setTick(j.value,this.name);this._ticks.push(j)}else{j.value=new a.jsDate(g).getTime();if(!this.showTicks){j.showLabel=false;j.showMark=false}else{if(!this.showTickMarks){j.showMark=false}}j.setTick(j.value,this.name);this._ticks.push(j)}}this.numberTicks=w.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"]}else{if(this.tickInterval==null&&this.min==null&&this.max==null&&this.numberTicks==null){var A=a.jqplot.LinearTickGenerator(o,s);var n=o+k*(this.padMin-1);var r=s-k*(this.padMax-1);if(o<=n||s>=r){n=o-k*(this.padMin-1);r=s+k*(this.padMax-1);A=a.jqplot.LinearTickGenerator(n,r)}this.min=A[0];this.max=A[1];this.numberTicks=A[2];this.tickInterval=A[4];this.daTickInterval=[this.tickInterval/1000,"seconds"];for(var u=0;u<this.numberTicks;u++){var o=new a.jsDate(this.min);b=o.add(u*this.daTickInterval[0],this.daTickInterval[1]).getTime();var j=new this.tickRenderer(this.tickOptions);if(!this.showTicks){j.showLabel=false;j.showMark=false}else{if(!this.showTickMarks){j.showMark=false}}j.setTick(b,this.name);this._ticks.push(j)}}else{if(B=="xaxis"||B=="x2axis"){q=this._plotDimensions.width}else{q=this._plotDimensions.height}if(this.min!=null&&this.max!=null&&this.numberTicks!=null){this.tickInterval=null}if(this.tickInterval!=null){if(Number(this.tickInterval)){this.daTickInterval=[Number(this.tickInterval),"seconds"]}else{if(typeof this.tickInterval=="string"){var l=this.tickInterval.split(" ");if(l.length==1){this.daTickInterval=[1,l[0]]}else{if(l.length==2){this.daTickInterval=[l[0],l[1]]}}}}}if(o==s){var h=24*60*60*500;o-=h;s+=h}k=s-o;var v=2+parseInt(Math.max(0,q-100)/100,10);var m,p;m=(this.min!=null)?new a.jsDate(this.min).getTime():o-k/2*(this.padMin-1);p=(this.max!=null)?new a.jsDate(this.max).getTime():s+k/2*(this.padMax-1);this.min=m;this.max=p;k=this.max-this.min;if(this.numberTicks==null){if(this.daTickInterval!=null){var f=new a.jsDate(this.max).diff(this.min,this.daTickInterval[1],true);this.numberTicks=Math.ceil(f/this.daTickInterval[0])+1;this.max=new a.jsDate(this.min).add((this.numberTicks-1)*this.daTickInterval[0],this.daTickInterval[1]).getTime()}else{if(q>200){this.numberTicks=parseInt(3+(q-200)/100,10)}else{this.numberTicks=2}}}if(this.daTickInterval==null){this.daTickInterval=[k/(this.numberTicks-1)/1000,"seconds"]}for(var u=0;u<this.numberTicks;u++){var o=new a.jsDate(this.min);b=o.add(u*this.daTickInterval[0],this.daTickInterval[1]).getTime();var j=new this.tickRenderer(this.tickOptions);if(!this.showTicks){j.showLabel=false;j.showMark=false}else{if(!this.showTickMarks){j.showMark=false}}j.setTick(b,this.name);this._ticks.push(j)}}}if(this._daTickInterval==null){this._daTickInterval=this.daTickInterval}}})(jQuery);