wezm.net/output/js/dygraph-combined.js

1 line
74 KiB
JavaScript
Raw Normal View History

2011-04-27 20:17:41 +00:00
DygraphLayout=function(b,a){this.dygraph_=b;this.options={};Dygraph.update(this.options,a?a:{});this.datasets=new Array();this.annotations=new Array()};DygraphLayout.prototype.attr_=function(a){return this.dygraph_.attr_(a)};DygraphLayout.prototype.addDataset=function(a,b){this.datasets[a]=b};DygraphLayout.prototype.setAnnotations=function(d){this.annotations=[];var e=this.attr_("xValueParser")||function(a){return a};for(var c=0;c<d.length;c++){var b={};if(!d[c].xval&&!d[c].x){this.dygraph_.error("Annotations must have an 'x' property");return}if(d[c].icon&&!(d[c].hasOwnProperty("width")&&d[c].hasOwnProperty("height"))){this.dygraph_.error("Must set width and height when setting annotation.icon property");return}Dygraph.update(b,d[c]);if(!b.xval){b.xval=e(b.x)}this.annotations.push(b)}};DygraphLayout.prototype.evaluate=function(){this._evaluateLimits();this._evaluateLineCharts();this._evaluateLineTicks();this._evaluateAnnotations()};DygraphLayout.prototype._evaluateLimits=function(){this.minxval=this.maxxval=null;if(this.options.dateWindow){this.minxval=this.options.dateWindow[0];this.maxxval=this.options.dateWindow[1]}else{for(var c in this.datasets){if(!this.datasets.hasOwnProperty(c)){continue}var e=this.datasets[c];if(e.length>1){var b=e[0][0];if(!this.minxval||b<this.minxval){this.minxval=b}var a=e[e.length-1][0];if(!this.maxxval||a>this.maxxval){this.maxxval=a}}}}this.xrange=this.maxxval-this.minxval;this.xscale=(this.xrange!=0?1/this.xrange:1);for(var d=0;d<this.options.yAxes.length;d++){var f=this.options.yAxes[d];f.minyval=f.computedValueRange[0];f.maxyval=f.computedValueRange[1];f.yrange=f.maxyval-f.minyval;f.yscale=(f.yrange!=0?1/f.yrange:1);if(f.g.attr_("logscale")){f.ylogrange=Dygraph.log10(f.maxyval)-Dygraph.log10(f.minyval);f.ylogscale=(f.ylogrange!=0?1/f.ylogrange:1);if(!isFinite(f.ylogrange)||isNaN(f.ylogrange)){f.g.error("axis "+d+" of graph at "+f.g+" can't be displayed in log scale for range ["+f.minyval+" - "+f.maxyval+"]")}}}};DygraphLayout.prototype._evaluateLineCharts=function(){this.points=new Array();for(var f in this.datasets){if(!this.datasets.hasOwnProperty(f)){continue}var e=this.datasets[f];var c=this.options.yAxes[this.options.seriesToAxisMap[f]];for(var b=0;b<e.length;b++){var d=e[b];var g;if(c.logscale){g=1-((Dygraph.log10(parseFloat(d[1]))-Dygraph.log10(c.minyval))*c.ylogscale)}else{g=1-((parseFloat(d[1])-c.minyval)*c.yscale)}var a={x:((parseFloat(d[0])-this.minxval)*this.xscale),y:g,xval:parseFloat(d[0]),yval:parseFloat(d[1]),name:f};this.points.push(a)}}};DygraphLayout.prototype._evaluateLineTicks=function(){this.xticks=new Array();for(var d=0;d<this.options.xTicks.length;d++){var c=this.options.xTicks[d];var b=c.label;var f=this.xscale*(c.v-this.minxval);if((f>=0)&&(f<=1)){this.xticks.push([f,b])}}this.yticks=new Array();for(var d=0;d<this.options.yAxes.length;d++){var e=this.options.yAxes[d];for(var a=0;a<e.ticks.length;a++){var c=e.ticks[a];var b=c.label;var f=this.dygraph_.toPercentYCoord(c.v,d);if((f>=0)&&(f<=1)){this.yticks.push([d,f,b])}}}};DygraphLayout.prototype.evaluateWithError=function(){this.evaluate();if(!this.options.errorBars){return}var d=0;for(var g in this.datasets){if(!this.datasets.hasOwnProperty(g)){continue}var c=0;var f=this.datasets[g];for(var c=0;c<f.length;c++,d++){var e=f[c];var a=parseFloat(e[0]);var b=parseFloat(e[1]);if(a==this.points[d].xval&&b==this.points[d].yval){this.points[d].errorMinus=parseFloat(e[2]);this.points[d].errorPlus=parseFloat(e[3])}}}};DygraphLayout.prototype._evaluateAnnotations=function(){var f={};for(var d=0;d<this.annotations.length;d++){var b=this.annotations[d];f[b.xval+","+b.series]=b}this.annotated_points=[];for(var d=0;d<this.points.length;d++){var e=this.points[d];var c=e.xval+","+e.name;if(c in f){e.annotation=f[c];this.annotated_points.push(e)}}};DygraphLayout.prototype.removeAllDatasets=function(){delete this.datasets;this.datasets=new Array()};DygraphLayout.prototype.updateOptions=function(a){Dygraph.update(this.options,a?a:{})};DygraphLayout.prototype.unstackPointAtIndex=function(b){var a=this.points[b];var d={};for(var