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   1  /**
   2   * jqPlot
   3   * Pure JavaScript plotting plugin using jQuery
   4   *
   5   * Version: 1.0.2r1108
   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   * included jsDate library by Chris Leonello:
  30   *
  31   * Copyright (c) 2010-2011 Chris Leonello
  32   *
  33   * jsDate is currently available for use in all personal or commercial projects 
  34   * under both the MIT and GPL version 2.0 licenses. This means that you can 
  35   * choose the license that best suits your project and use it accordingly.
  36   *
  37   * jsDate borrows many concepts and ideas from the Date Instance 
  38   * Methods by Ken Snyder along with some parts of Ken's actual code.
  39   * 
  40   * Ken's origianl Date Instance Methods and copyright notice:
  41   * 
  42   * Ken Snyder (ken d snyder at gmail dot com)
  43   * 2008-09-10
  44   * version 2.0.2 (http://kendsnyder.com/sandbox/date/)     
  45   * Creative Commons Attribution License 3.0 (http://creativecommons.org/licenses/by/3.0/)
  46   *
  47   * jqplotToImage function based on Larry Siden's export-jqplot-to-png.js.
  48   * Larry has generously given permission to adapt his code for inclusion
  49   * into jqPlot.
  50   *
  51   * Larry's original code can be found here:
  52   *
  53   * https://github.com/lsiden/export-jqplot-to-png
  54   * 
  55   * 
  56   */
  57  (function(a){a.jqplot.OHLCRenderer=function(){a.jqplot.LineRenderer.call(this);this.candleStick=false;this.tickLength="auto";this.bodyWidth="auto";this.openColor=null;this.closeColor=null;this.wickColor=null;this.fillUpBody=false;this.fillDownBody=true;this.upBodyColor=null;this.downBodyColor=null;this.hlc=false;this.lineWidth=1.5;this._tickLength;this._bodyWidth};a.jqplot.OHLCRenderer.prototype=new a.jqplot.LineRenderer();a.jqplot.OHLCRenderer.prototype.constructor=a.jqplot.OHLCRenderer;a.jqplot.OHLCRenderer.prototype.init=function(e){e=e||{};this.lineWidth=e.lineWidth||1.5;a.jqplot.LineRenderer.prototype.init.call(this,e);this._type="ohlc";var b=this._yaxis._dataBounds;var f=this._plotData;if(f[0].length<5){this.renderer.hlc=true;for(var c=0;c<f.length;c++){if(f[c][2]<b.min||b.min==null){b.min=f[c][2]}if(f[c][1]>b.max||b.max==null){b.max=f[c][1]}}}else{for(var c=0;c<f.length;c++){if(f[c][3]<b.min||b.min==null){b.min=f[c][3]}if(f[c][2]>b.max||b.max==null){b.max=f[c][2]}}}};a.jqplot.OHLCRenderer.prototype.draw=function(A,N,j){var J=this.data;var v=this._xaxis.min;var z=this._xaxis.max;var l=0;var K=J.length;var p=this._xaxis.series_u2p;var G=this._yaxis.series_u2p;var D,E,f,M,F,n,O,C;var y;var u=this.renderer;var s=(j!=undefined)?j:{};var k=(s.shadow!=undefined)?s.shadow:this.shadow;var B=(s.fill!=undefined)?s.fill:this.fill;var c=(s.fillAndStroke!=undefined)?s.fillAndStroke:this.fillAndStroke;u.bodyWidth=(s.bodyWidth!=undefined)?s.bodyWidth:u.bodyWidth;u.tickLength=(s.tickLength!=undefined)?s.tickLength:u.tickLength;A.save();if(this.show){var m,q,g,Q,t;for(var D=0;D<J.length;D++){if(J[D][0]<v){l=D}else{if(J[D][0]<z){K=D+1}}}var I=this.gridData[K-1][0]-this.gridData[l][0];var L=K-l;try{var P=Math.abs(this._xaxis.series_u2p(parseInt(this._xaxis._intervalStats[0].sortedIntervals[0].interval,10))-this._xaxis.series_u2p(0))}catch(H){var P=I/L}if(u.candleStick){if(typeof(u.bodyWidth)=="number"){u._bodyWidth=u.bodyWidth}else{u._bodyWidth=Math.min(20,P/1.65)}}else{if(typeof(u.tickLength)=="number"){u._tickLength=u.tickLength}else{u._tickLength=Math.min(10,P/3.5)}}for(var D=l;D<K;D++){m=p(J[D][0]);if(u.hlc){q=null;g=G(J[D][1]);Q=G(J[D][2]);t=G(J[D][3])}else{q=G(J[D][1]);g=G(J[D][2]);Q=G(J[D][3]);t=G(J[D][4])}y={};if(u.candleStick&&!u.hlc){n=u._bodyWidth;O=m-n/2;if(t<q){if(u.wickColor){y.color=u.wickColor}else{if(u.downBodyColor){y.color=u.upBodyColor}}f=a.extend(true,{},s,y);u.shapeRenderer.draw(A,[[m,g],[m,t]],f);u.shapeRenderer.draw(A,[[m,q],[m,Q]],f);y={};M=t;F=q-t;if(u.fillUpBody){y.fillRect=true}else{y.strokeRect=true;n=n-this.lineWidth;O=m-n/2}if(u.upBodyColor){y.color=u.upBodyColor;y.fillStyle=u.upBodyColor}C=[O,M,n,F]}else{if(t>q){if(u.wickColor){y.color=u.wickColor}else{if(u.downBodyColor){y.color=u.downBodyColor}}f=a.extend(true,{},s,y);u.shapeRenderer.draw(A,[[m,g],[m,q]],f);u.shapeRenderer.draw(A,[[m,t],[m,Q]],f);y={};M=q;F=t-q;if(u.fillDownBody){y.fillRect=true}else{y.strokeRect=true;n=n-this.lineWidth;O=m-n/2}if(u.downBodyColor){y.color=u.downBodyColor;y.fillStyle=u.downBodyColor}C=[O,M,n,F]}else{if(u.wickColor){y.color=u.wickColor}f=a.extend(true,{},s,y);u.shapeRenderer.draw(A,[[m,g],[m,Q]],f);y={};y.fillRect=false;y.strokeRect=false;O=[m-n/2,q];M=[m+n/2,t];n=null;F=null;C=[O,M]}}f=a.extend(true,{},s,y);u.shapeRenderer.draw(A,C,f)}else{E=s.color;if(u.openColor){s.color=u.openColor}if(!u.hlc){u.shapeRenderer.draw(A,[[m-u._tickLength,q],[m,q]],s)}s.color=E;if(u.wickColor){s.color=u.wickColor}u.shapeRenderer.draw(A,[[m,g],[m,Q]],s);s.color=E;if(u.closeColor){s.color=u.closeColor}u.shapeRenderer.draw(A,[[m,t],[m+u._tickLength,t]],s);s.color=E}}}A.restore()};a.jqplot.OHLCRenderer.prototype.drawShadow=function(b,d,c){};a.jqplot.OHLCRenderer.checkOptions=function(d,c,b){if(!b.highlighter){b.highlighter={showMarker:false,tooltipAxes:"y",yvalues:4,formatString:'<table class="jqplot-highlighter"><tr><td>date:</td><td>%s</td></tr><tr><td>open:</td><td>%s</td></tr><tr><td>hi:</td><td>%s</td></tr><tr><td>low:</td><td>%s</td></tr><tr><td>close:</td><td>%s</td></tr></table>'}}}})(jQuery);