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Added support for flot categories and flot aggregate.
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Jairus Martin
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Feb 12, 2014
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xadmin/static/xadmin/vendor/flot/jquery.flot.aggregate.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| /* Flot plugin for plotting grouping and aggregating data based on a common axis value. | ||
| Copyright (c) 2014 Jairus Martin (frmdstryr@gmail.com) | ||
| Licensed under the MIT license. | ||
| To enable it, you must specify aggregate: "count","min","max","avg", or "sum" | ||
| on the axis to use as the grouping axis. | ||
| $.plot("#placeholder", data, { xaxis: { aggregate: "avg" } }); | ||
| The possible values for aggregate are: | ||
| null,"count","min","max","avg", or "sum" | ||
| Can be used with categories consider a dataset like | ||
| $.plot("#placeholder", data, { xaxis: { mode:"categories", aggregate: "count" } }); | ||
| [["Pass", 1], ["Fail", 1], ["Pass", 1]...]. | ||
| */ | ||
|
|
||
| (function ($) { | ||
| var options = { | ||
| xaxis: { | ||
| aggregate:null // null,"count","min","max","avg", or "sum" | ||
| }, | ||
| yaxis: { | ||
| aggregate:null // null,"count","min","max","avg", or "sum" | ||
| } | ||
| }; | ||
|
|
||
| function groupByAxis(data,axis) { | ||
| var groupedData = {}; | ||
| $.each(data,function(i,point){ | ||
| if (!(point[axis] in groupedData)) { | ||
| groupedData[point[axis]] = [point]; | ||
| } else { | ||
| groupedData[point[axis]].push(point); | ||
| } | ||
| }); | ||
| return groupedData; | ||
| } | ||
|
|
||
| function processRawData(plot, series, data, datapoints) { | ||
| // if categories are enabled, we need to disable | ||
| // auto-transformation to numbers so the strings are intact | ||
| // for later processing | ||
|
|
||
| var xAggregate = series.xaxis.options.aggregate != null, | ||
| yAggregate = series.yaxis.options.aggregate != null; | ||
|
|
||
| if (!(xAggregate || yAggregate)) | ||
| return; | ||
|
|
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|
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| var aggregateMethod = null; | ||
| var groupAxis = 0; | ||
| var axis = 1; | ||
| if (xAggregate) { | ||
| aggregateMethod = series.xaxis.options.aggregate; | ||
| } else if (yAggregate) { | ||
| aggregateMethod = series.yaxis.options.aggregate; | ||
| groupAxis = 1; | ||
| axis = 0; | ||
| } | ||
|
|
||
| var groupedData = groupByAxis(data,groupAxis); | ||
| var newData = []; | ||
| switch (aggregateMethod) { | ||
| case "count": | ||
| $.each(groupedData,function(group,points) { | ||
| if (xAggregate){ | ||
| newData.push([group,points.length]); | ||
| } else { | ||
| newData.push([points.length,group]); | ||
| } | ||
| }); | ||
| break; | ||
| case "min": | ||
| $.each(groupedData,function(group,points) { | ||
| var yMin = points[0][axis]; | ||
| $.each(points,function(i,point){yMin = Math.min(yMin,point[axis]);}); | ||
| if (xAggregate){ | ||
| newData.push([group,yMin]); | ||
| } else { | ||
| newData.push([yMin,group]); | ||
| } | ||
| }); | ||
| break; | ||
| case "max": | ||
| $.each(groupedData,function(group,points) { | ||
| var yMax = points[0][axis]; | ||
| $.each(points,function(i,point){yMax = Math.max(yMax,point[axis]);}); | ||
| if (xAggregate){ | ||
| newData.push([group,yMax]); | ||
| } else { | ||
| newData.push([yMax,group]); | ||
| } | ||
| }); | ||
| break; | ||
| case "avg": | ||
| $.each(groupedData,function(group,points) { | ||
| var sum = 0; | ||
| $.each(points,function(i,point){sum+=point[axis];}); | ||
| var avg = sum/points.length; | ||
| if (xAggregate){ | ||
| newData.push([group,avg]); | ||
| } else { | ||
| newData.push([avg,group]); | ||
| } | ||
| }); | ||
| break; | ||
| case "sum": | ||
| $.each(groupedData,function(group,points) { | ||
| var sum = 0; | ||
| $.each(points,function(i,point){sum+=point[axis];}); | ||
| if (xAggregate){ | ||
| newData.push([group,sum]); | ||
| } else { | ||
| newData.push([sum,group]); | ||
| } | ||
| }); | ||
| break; | ||
| default: | ||
| return; | ||
| } | ||
| series.data = newData; | ||
| data = newData; | ||
| } | ||
|
|
||
|
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||
| function init(plot) { | ||
| plot.hooks.processRawData.push(processRawData); | ||
| } | ||
|
|
||
| $.plot.plugins.push({ | ||
| init: init, | ||
| options: options, | ||
| name: 'aggregate', | ||
| version: '1.0' | ||
| }); | ||
| })(jQuery); |
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