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c3_renderers.coffee
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callWithJQuery = (pivotModule) ->
if typeof exports is "object" and typeof module is "object" # CommonJS
pivotModule require("jquery"), require("c3")
else if typeof define is "function" and define.amd # AMD
define ["jquery", "c3"], pivotModule
# Plain browser env
else
pivotModule jQuery, c3
callWithJQuery ($, c3) ->
makeC3Chart = (chartOpts = {}) -> (pivotData, opts) ->
defaults =
localeStrings: {vs: "vs", by: "by"}
c3: {}
opts = $.extend(true, {}, defaults, opts)
opts.c3.size ?= {}
opts.c3.size.width ?= window.innerWidth / 1.4
opts.c3.size.height ?= window.innerHeight / 1.4 - 50
chartOpts.type ?= "line"
chartOpts.horizontal ?= false
chartOpts.stacked ?= false
rowKeys = pivotData.getRowKeys()
rowKeys.push [] if rowKeys.length == 0
colKeys = pivotData.getColKeys()
colKeys.push [] if colKeys.length == 0
headers = (h.join("-") for h in colKeys)
rotationAngle = 0
fullAggName = pivotData.aggregatorName
if pivotData.valAttrs.length
fullAggName += "(#{pivotData.valAttrs.join(", ")})"
if chartOpts.type == "scatter"
scatterData = x:{}, y:{}, t:{}
attrs = pivotData.rowAttrs.concat(pivotData.colAttrs)
vAxisTitle = attrs[0] ? ""
hAxisTitle = attrs[1] ? ""
groupByTitle = attrs.slice(2).join("-")
titleText = vAxisTitle
titleText += " #{opts.localeStrings.vs} #{hAxisTitle}" if hAxisTitle != ""
titleText += " #{opts.localeStrings.by} #{groupByTitle}" if groupByTitle != ""
for rowKey in rowKeys
for colKey in colKeys
agg = pivotData.getAggregator(rowKey, colKey)
if agg.value()?
vals = rowKey.concat(colKey)
series = vals.slice(2).join("-")
if series == "" then series = "series"
scatterData.x[series] ?= []
scatterData.y[series] ?= []
scatterData.t[series] ?= []
scatterData.y[series].push vals[0] ? 0
scatterData.x[series].push vals[1] ? 0
scatterData.t[series].push agg.format(agg.value())
else
numCharsInHAxis = 0
for x in headers
numCharsInHAxis += x.length
if numCharsInHAxis > 50
rotationAngle = 45
columns = []
for rowKey in rowKeys
rowHeader = rowKey.join("-")
row = [if rowHeader == "" then fullAggName else rowHeader]
for colKey in colKeys
val = parseFloat pivotData.getAggregator(rowKey, colKey).value()
if isFinite(val)
if val < 1
row.push val.toPrecision(3)
else
row.push val.toFixed(3)
else
row.push null
columns.push row
vAxisTitle = fullAggName
if chartOpts.horizontal
hAxisTitle = pivotData.rowAttrs.join("-")
groupByTitle = pivotData.colAttrs.join("-")
else
hAxisTitle = pivotData.colAttrs.join("-")
groupByTitle = pivotData.rowAttrs.join("-")
titleText = fullAggName
titleText += " #{opts.localeStrings.vs} #{hAxisTitle}" if hAxisTitle != ""
titleText += " #{opts.localeStrings.by} #{groupByTitle}" if groupByTitle != ""
title = $("<p>", {style: "text-align: center; font-weight: bold"})
title.text(titleText)
params =
axis:
rotated: chartOpts.horizontal
y:
label: vAxisTitle
x:
label: hAxisTitle
tick:
rotate: rotationAngle
multiline: false
data:
type: chartOpts.type
order: null
tooltip:
grouped: false
color:
pattern: [ "#3366cc", "#dc3912", "#ff9900", "#109618",
"#990099", "#0099c6", "#dd4477", "#66aa00",
"#b82e2e", "#316395", "#994499", "#22aa99",
"#aaaa11", "#6633cc", "#e67300", "#8b0707",
"#651067", "#329262", "#5574a6", "#3b3eac" ]
params = $.extend(true, {}, params, opts.c3)
if chartOpts.type == "scatter"
xs = {}
numSeries = 0
dataColumns = []
for s of scatterData.x
numSeries += 1
xs[s] = s+"_x"
dataColumns.push [s+"_x"].concat(scatterData.x[s])
dataColumns.push [s].concat(scatterData.y[s])
params.data.xs = xs
params.data.columns = dataColumns
params.axis.x.tick = fit: false
if numSeries == 1
params.legend = show: false
params.tooltip.format =
title: -> fullAggName
name: -> ""
value: (a,b,c,d) -> scatterData.t[c][d]
else
params.axis.x.type= 'category'
if chartOpts.horizontal
categories = (c.shift() for c in columns)
if categories.length == 1 and categories[0] == fullAggName
categories = [""]
params.axis.x.categories = categories
if headers.length == 1 and headers[0] == ""
headers = [fullAggName]
columns.unshift(headers)
params.data.rows = columns
else
params.axis.x.categories = headers
params.data.columns = columns
if chartOpts.stacked
if chartOpts.horizontal
params.data.groups = [x.join("-") for x in colKeys]
else
params.data.groups = [x.join("-") for x in rowKeys]
renderArea = $("<div>", style: "display:none;").appendTo $("body")
result = $("<div>").appendTo renderArea
params.bindto = result[0]
c3.generate params
result.detach()
renderArea.remove()
return $("<div>").append title, result
$.pivotUtilities.c3_renderers =
"Horizontal Bar Chart": makeC3Chart(type: "bar", horizontal: true)
"Horizontal Stacked Bar Chart": makeC3Chart(type: "bar", stacked: true, horizontal: true)
"Bar Chart": makeC3Chart(type: "bar")
"Stacked Bar Chart": makeC3Chart(type: "bar", stacked: true)
"Line Chart": makeC3Chart()
"Area Chart": makeC3Chart(type: "area", stacked: true)
"Scatter Chart": makeC3Chart(type: "scatter")