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pivot.coffee
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pivot.coffee
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callWithJQuery = (pivotModule) ->
if typeof exports is "object" and typeof module is "object" # CommonJS
pivotModule require("jquery")
else if typeof define is "function" and define.amd # AMD
define ["jquery"], pivotModule
# Plain browser env
else
pivotModule jQuery
callWithJQuery ($) ->
###
Utilities
###
addSeparators = (nStr, thousandsSep, decimalSep) ->
nStr += ''
x = nStr.split('.')
x1 = x[0]
x2 = if x.length > 1 then decimalSep + x[1] else ''
rgx = /(\d+)(\d{3})/
x1 = x1.replace(rgx, '$1' + thousandsSep + '$2') while rgx.test(x1)
return x1 + x2
numberFormat = (opts) ->
defaults =
digitsAfterDecimal: 2, scaler: 1,
thousandsSep: ",", decimalSep: "."
prefix: "", suffix: ""
showZero: false
opts = $.extend defaults, opts
(x) ->
return "" if isNaN(x) or not isFinite(x)
return "" if x == 0 and not opts.showZero
result = addSeparators (opts.scaler*x).toFixed(opts.digitsAfterDecimal), opts.thousandsSep, opts.decimalSep
return ""+opts.prefix+result+opts.suffix
#aggregator templates default to US number formatting but this is overrideable
usFmt = numberFormat()
usFmtInt = numberFormat(digitsAfterDecimal: 0)
usFmtPct = numberFormat(digitsAfterDecimal:1, scaler: 100, suffix: "%")
aggregatorTemplates =
count: (formatter=usFmtInt) -> () -> (data, rowKey, colKey) ->
count: 0
push: -> @count++
value: -> @count
format: formatter
countUnique: (formatter=usFmtInt) -> ([attr]) -> (data, rowKey, colKey) ->
uniq: []
push: (record) -> @uniq.push(record[attr]) if record[attr] not in @uniq
value: -> @uniq.length
format: formatter
numInputs: if attr? then 0 else 1
listUnique: (sep) -> ([attr]) -> (data, rowKey, colKey) ->
uniq: []
push: (record) -> @uniq.push(record[attr]) if record[attr] not in @uniq
value: -> @uniq.join sep
format: (x) -> x
numInputs: if attr? then 0 else 1
sum: (formatter=usFmt) -> ([attr]) -> (data, rowKey, colKey) ->
sum: 0
push: (record) -> @sum += parseFloat(record[attr]) if not isNaN parseFloat(record[attr])
value: -> @sum
format: formatter
numInputs: if attr? then 0 else 1
mfSum: (formatter=usFmtInt) -> (_arg) -> (data, rowKey, colKey) ->
_summedFacts = {}
_i = 0
while _i < _arg.length
_summedFacts[_arg[_i]] = 0
_i++
push: (record) ->
_i = 0
while _i < _arg.length
_summedFacts[_arg[_i]] += parseFloat(record[_arg[_i]]) unless isNaN(parseFloat(record[_arg[_i]]))
_i++
return
multivalue: -> _summedFacts
value: ->
attr = _arg[0]
_summedFacts[_arg[0]]
format: formatter
average: (formatter=usFmt) -> ([attr]) -> (data, rowKey, colKey) ->
sum: 0
len: 0
push: (record) ->
if not isNaN parseFloat(record[attr])
@sum += parseFloat(record[attr])
@len++
value: -> @sum/@len
format: formatter
numInputs: if attr? then 0 else 1
sumOverSum: (formatter=usFmt) -> ([num, denom]) -> (data, rowKey, colKey) ->
sumNum: 0
sumDenom: 0
push: (record) ->
@sumNum += parseFloat(record[num]) if not isNaN parseFloat(record[num])
@sumDenom += parseFloat(record[denom]) if not isNaN parseFloat(record[denom])
value: -> @sumNum/@sumDenom
format: formatter
numInputs: if num? and denom? then 0 else 2
sumOverSumBound80: (upper=true, formatter=usFmt) -> ([num, denom]) -> (data, rowKey, colKey) ->
sumNum: 0
sumDenom: 0
push: (record) ->
@sumNum += parseFloat(record[num]) if not isNaN parseFloat(record[num])
@sumDenom += parseFloat(record[denom]) if not isNaN parseFloat(record[denom])
value: ->
sign = if upper then 1 else -1
(0.821187207574908/@sumDenom + @sumNum/@sumDenom + 1.2815515655446004*sign*
Math.sqrt(0.410593603787454/ (@sumDenom*@sumDenom) + (@sumNum*(1 - @sumNum/ @sumDenom))/ (@sumDenom*@sumDenom)))/
(1 + 1.642374415149816/@sumDenom)
format: formatter
numInputs: if num? and denom? then 0 else 2
fractionOf: (wrapped, type="total", formatter=usFmtPct) -> (x...) -> (data, rowKey, colKey) ->
selector: {total:[[],[]],row:[rowKey,[]],col:[[],colKey]}[type]
inner: wrapped(x...)(data, rowKey, colKey)
push: (record) -> @inner.push record
format: formatter
value: -> @inner.value() / data.getAggregator(@selector...).inner.value()
numInputs: wrapped(x...)().numInputs
#default aggregators & renderers use US naming and number formatting
aggregators = do (tpl = aggregatorTemplates) ->
"Count": tpl.count(usFmtInt)
"Count Unique Values": tpl.countUnique(usFmtInt)
"List Unique Values": tpl.listUnique(", ")
"Sum": tpl.sum(usFmt)
"MFSum": tpl.mfSum(usFmtInt)
"Integer Sum": tpl.sum(usFmtInt)
"Average": tpl.average(usFmt)
"Sum over Sum": tpl.sumOverSum(usFmt)
"80% Upper Bound": tpl.sumOverSumBound80(true, usFmt)
"80% Lower Bound": tpl.sumOverSumBound80(false, usFmt)
"Sum as Fraction of Total": tpl.fractionOf(tpl.sum(), "total", usFmtPct)
"Sum as Fraction of Rows": tpl.fractionOf(tpl.sum(), "row", usFmtPct)
"Sum as Fraction of Columns": tpl.fractionOf(tpl.sum(), "col", usFmtPct)
"Count as Fraction of Total": tpl.fractionOf(tpl.count(), "total", usFmtPct)
"Count as Fraction of Rows": tpl.fractionOf(tpl.count(), "row", usFmtPct)
"Count as Fraction of Columns": tpl.fractionOf(tpl.count(), "col", usFmtPct)
renderers =
"Table": (pvtData, opts) -> pivotTableRenderer(pvtData, opts)
"MFTable": (pvtData, opts) -> mfTableRenderer(pvtData, opts)
"Table Barchart": (pvtData, opts) -> $(pivotTableRenderer(pvtData, opts)).barchart()
"Heatmap": (pvtData, opts) -> $(pivotTableRenderer(pvtData, opts)).heatmap()
"Row Heatmap": (pvtData, opts) -> $(pivotTableRenderer(pvtData, opts)).heatmap("rowheatmap")
"Col Heatmap": (pvtData, opts) -> $(pivotTableRenderer(pvtData, opts)).heatmap("colheatmap")
locales =
en:
aggregators: aggregators
renderers: renderers
localeStrings:
renderError: "An error occurred rendering the PivotTable results."
computeError: "An error occurred computing the PivotTable results."
uiRenderError: "An error occurred rendering the PivotTable UI."
selectAll: "Select All"
selectNone: "Select None"
tooMany: "(too many to list)"
filterResults: "Filter results"
totals: "Totals" #for table renderer
vs: "vs" #for gchart renderer
by: "by" #for gchart renderer
#dateFormat deriver l10n requires month and day names to be passed in directly
mthNamesEn = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"]
dayNamesEn = ["Sun","Mon","Tue","Wed","Thu","Fri","Sat"]
zeroPad = (number) -> ("0"+number).substr(-2,2)
derivers =
bin: (col, binWidth) -> (record) -> record[col] - record[col] % binWidth
dateFormat: (col, formatString, mthNames=mthNamesEn, dayNames=dayNamesEn) ->
(record) -> #thanks http://stackoverflow.com/a/12213072/112871
date = new Date(Date.parse(record[col]))
if isNaN(date) then return ""
formatString.replace /%(.)/g, (m, p) ->
switch p
when "y" then date.getFullYear()
when "m" then zeroPad(date.getMonth()+1)
when "n" then mthNames[date.getMonth()]
when "d" then zeroPad(date.getDate())
when "w" then dayNames[date.getDay()]
when "x" then date.getDay()
when "H" then zeroPad(date.getHours())
when "M" then zeroPad(date.getMinutes())
when "S" then zeroPad(date.getSeconds())
else "%" + p
naturalSort = (as, bs) => #thanks http://stackoverflow.com/a/4373421/112871
rx = /(\d+)|(\D+)/g
rd = /\d/
rz = /^0/
if typeof as is "number" or typeof bs is "number"
return 1 if isNaN(as)
return -1 if isNaN(bs)
return as - bs
a = String(as).toLowerCase()
b = String(bs).toLowerCase()
return 0 if a is b
return (if a > b then 1 else -1) unless rd.test(a) and rd.test(b)
a = a.match(rx)
b = b.match(rx)
while a.length and b.length
a1 = a.shift()
b1 = b.shift()
if a1 isnt b1
if rd.test(a1) and rd.test(b1)
return a1.replace(rz, ".0") - b1.replace(rz, ".0")
else
return (if a1 > b1 then 1 else -1)
a.length - b.length
#expose these to the outside world
$.pivotUtilities = {aggregatorTemplates, aggregators, renderers, derivers, locales,
naturalSort, numberFormat}
###
Data Model class
###
class PivotData
constructor: (input, opts) ->
@aggregator = opts.aggregator
@aggregatorName = opts.aggregatorName
@colAttrs = opts.cols
@rowAttrs = opts.rows
@valAttrs = opts.vals
@tree = {}
@rowKeys = []
@colKeys = []
@rowTotals = {}
@colTotals = {}
@allTotal = @aggregator(this, [], [])
@sorted = false
# iterate through input, accumulating data for cells
PivotData.forEachRecord input, opts.derivedAttributes, (record) =>
@processRecord(record) if opts.filter(record)
#can handle arrays or jQuery selections of tables
@forEachRecord = (input, derivedAttributes, f) ->
if $.isEmptyObject derivedAttributes
addRecord = f
else
addRecord = (record) ->
record[k] = v(record) ? record[k] for k, v of derivedAttributes
f(record)
#if it's a function, have it call us back
if $.isFunction(input)
input(addRecord)
else if $.isArray(input)
if $.isArray(input[0]) #array of arrays
for own i, compactRecord of input when i > 0
record = {}
record[k] = compactRecord[j] for own j, k of input[0]
addRecord(record)
else #array of objects
addRecord(record) for record in input
else if input instanceof jQuery
tblCols = []
$("thead > tr > th", input).each (i) -> tblCols.push $(this).text()
$("tbody > tr", input).each (i) ->
record = {}
$("td", this).each (j) -> record[tblCols[j]] = $(this).html()
addRecord(record)
else
throw new Error("unknown input format")
#converts to [{attr:val, attr:val},{attr:val, attr:val}] using method above
@convertToArray = (input) ->
result = []
PivotData.forEachRecord input, {}, (record) -> result.push record
return result
natSort: (as, bs) => naturalSort(as, bs)
arrSort: (a,b) => @natSort a.join(), b.join()
sortKeys: () =>
if not @sorted
@rowKeys.sort @arrSort
@colKeys.sort @arrSort
@sorted = true
getColKeys: () =>
@sortKeys()
return @colKeys
getRowKeys: () =>
@sortKeys()
return @rowKeys
processRecord: (record) -> #this code is called in a tight loop
colKey = []
rowKey = []
colKey.push record[x] ? "null" for x in @colAttrs
rowKey.push record[x] ? "null" for x in @rowAttrs
flatRowKey = rowKey.join(String.fromCharCode(0))
flatColKey = colKey.join(String.fromCharCode(0))
@allTotal.push record
if rowKey.length != 0
if not @rowTotals[flatRowKey]
@rowKeys.push rowKey
@rowTotals[flatRowKey] = @aggregator(this, rowKey, [])
@rowTotals[flatRowKey].push record
if colKey.length != 0
if not @colTotals[flatColKey]
@colKeys.push colKey
@colTotals[flatColKey] = @aggregator(this, [], colKey)
@colTotals[flatColKey].push record
if colKey.length != 0 and rowKey.length != 0
if not @tree[flatRowKey]
@tree[flatRowKey] = {}
if not @tree[flatRowKey][flatColKey]
@tree[flatRowKey][flatColKey] = @aggregator(this, rowKey, colKey)
@tree[flatRowKey][flatColKey].push record
getAggregator: (rowKey, colKey) =>
flatRowKey = rowKey.join(String.fromCharCode(0))
flatColKey = colKey.join(String.fromCharCode(0))
if rowKey.length == 0 and colKey.length == 0
agg = @allTotal
else if rowKey.length == 0
agg = @colTotals[flatColKey]
else if colKey.length == 0
agg = @rowTotals[flatRowKey]
else
agg = @tree[flatRowKey][flatColKey]
return agg ? {value: (-> null), format: -> ""}
###
Default Renderer for hierarchical table layout
###
mfTableRenderer = (pivotData, opts) ->
aggregator = undefined
c = undefined
colAttrs = undefined
colKey = undefined
colKeys = undefined
i = undefined
j = undefined
r = undefined
result = undefined
rowAttrs = undefined
rowKey = undefined
rowKeys = undefined
th = undefined
totalAggregator = undefined
tr = undefined
txt = undefined
val = undefined
x = undefined
valAttrs = pivotData.valAttrs
colAttrs = pivotData.colAttrs
rowAttrs = pivotData.rowAttrs
rowKeys = pivotData.getRowKeys()
colKeys = pivotData.getColKeys()
result = $("<table class='table table-bordered pvtTable'>")
for j of colAttrs
c = colAttrs[j]
tr = $("<tr>")
tr.append $("<th>").attr("colspan", rowAttrs.length).attr("rowspan", colAttrs.length) if parseInt(j) is 0 and rowAttrs.length isnt 0
tr.append $("<th class='pvtAxisLabel'>").text(c)
tmpAggregator = pivotData.getAggregator([], [])
if tmpAggregator.multivalue
col_colspan = Object.keys(tmpAggregator.multivalue()).length
col_rowspan = 1
else
col_colspan = 1
col_rowspan = 2
for i of colKeys
colKey = colKeys[i]
th = $("<th class='pvtColLabel'>").text(colKey[j]).attr("colspan", col_colspan)
th.attr "rowspan", col_rowspan if parseInt(j) is colAttrs.length - 1 and rowAttrs.length isnt 0
tr.append th
tr.append $("<th class='pvtTotalLabel'>").text("TOTALS").attr("colspan", col_colspan).attr("rowspan", col_rowspan) if parseInt(j) is 0
result.append tr
if rowAttrs.length isnt 0
tr = $("<tr>")
for i of rowAttrs
r = rowAttrs[i]
tr.append $("<th class='pvtAxisLabel'>").text(r)
tmpAggregator = pivotData.getAggregator([], [])
if tmpAggregator.multivalue
if colAttrs.length > 0
th = $("<th>")
tr.append th
val = tmpAggregator.multivalue()
for i of colKeys
for v of val
tr.append $("<th class='pvtColLabel'>").text(v).data("value", v)
for v of val
tr.append $("<th class='pvtColLabel'>").text(v).data("value", v)
else
th = $("<th>")
th.addClass("pvtTotalLabel").text "TOTALS" if colAttrs.length is 0
tr.append th
result.append tr
for i of rowKeys
rowKey = rowKeys[i]
tr = $("<tr>")
for j of rowKey
txt = rowKey[j]
th = $("<th class='pvtRowLabel'>").text(txt).attr("rowspan", x)
th.attr "colspan", 2 if parseInt(j) is rowAttrs.length - 1 and colAttrs.length isnt 0
tr.append th
for j of colKeys
colKey = colKeys[j]
aggregator = pivotData.getAggregator(rowKey, colKey)
if aggregator.multivalue
val = aggregator.multivalue()
for v of val
tr.append $("<td class='pvtVal row" + i + " col" + j + "'>").text(aggregator.format(val[v])).data("value", val[v])
else
val = aggregator.value()
tr.append $("<td class='pvtVal row" + i + " col" + j + "'>").text(aggregator.format(val)).data("value", val)
totalAggregator = pivotData.getAggregator(rowKey, [])
if totalAggregator.multivalue
val = totalAggregator.multivalue()
for v of val
#tr.append $("<td class='pvtTotal rowTotal'>").text(totalAggregator.format(val[v])).data("value", val[v]).data("for", "row" + i)
tr.append "<td class='pvtTotal rowTotal'>" + totalAggregator.format(val[v]) + "</td>"
else
val = totalAggregator.value()
tr.append $("<td class='pvtTotal rowTotal'>").text(totalAggregator.format(val)).data("value", val).data("for", "row" + i)
result.append tr
tr = $("<tr>")
th = $("<th class='pvtTotalLabel'>").text("TOTALS")
th.attr "colspan", rowAttrs.length + ((if colAttrs.length is 0 then 0 else 1))
tr.append th
for j of colKeys
console.log "local_debug[3]"
colKey = colKeys[j]
totalAggregator = pivotData.getAggregator([], colKey)
if totalAggregator.multivalue
val = totalAggregator.multivalue()
for v of val
tr.append $("<td class='pvtTotal colTotal'>").text(totalAggregator.format(val[v])).data("value", val[v]).data("for", "col" + j)
else
val = totalAggregator.value()
tr.append $("<td class='pvtTotal colTotal'>").text(totalAggregator.format(val)).data("value", val).data("for", "col" + j)
totalAggregator = pivotData.getAggregator([], [])
if totalAggregator.multivalue
val = totalAggregator.multivalue()
for v of val
_d = val[v]
html = "<td class='pvtGrandTotal'>" + _d + "</td>"
tr.append html
else
val = totalAggregator.value()
html = $("<td class='pvtGrandTotal'>").text(totalAggregator.format(val)).data("value", val)
tr.append html
result.append tr
result.data "dimensions", [
rowKeys.length
colKeys.length
]
result
pivotTableRenderer = (pivotData, opts) ->
defaults =
localeStrings:
totals: "Totals"
opts = $.extend defaults, opts
colAttrs = pivotData.colAttrs
rowAttrs = pivotData.rowAttrs
rowKeys = pivotData.getRowKeys()
colKeys = pivotData.getColKeys()
#now actually build the output
result = document.createElement("table")
result.className = "pvtTable"
#helper function for setting row/col-span in pivotTableRenderer
spanSize = (arr, i, j) ->
if i != 0
noDraw = true
for x in [0..j]
if arr[i-1][x] != arr[i][x]
noDraw = false
if noDraw
return -1 #do not draw cell
len = 0
while i+len < arr.length
stop = false
for x in [0..j]
stop = true if arr[i][x] != arr[i+len][x]
break if stop
len++
return len
#the first few rows are for col headers
for own j, c of colAttrs
tr = document.createElement("tr")
if parseInt(j) == 0 and rowAttrs.length != 0
th = document.createElement("th")
th.setAttribute("colspan", rowAttrs.length)
th.setAttribute("rowspan", colAttrs.length)
tr.appendChild th
th = document.createElement("th")
th.className = "pvtAxisLabel"
th.innerHTML = c
tr.appendChild th
for own i, colKey of colKeys
x = spanSize(colKeys, parseInt(i), parseInt(j))
if x != -1
th = document.createElement("th")
th.className = "pvtColLabel"
th.innerHTML = colKey[j]
th.setAttribute("colspan", x)
if parseInt(j) == colAttrs.length-1 and rowAttrs.length != 0
th.setAttribute("rowspan", 2)
tr.appendChild th
if parseInt(j) == 0
th = document.createElement("th")
th.className = "pvtTotalLabel"
th.innerHTML = opts.localeStrings.totals
th.setAttribute("rowspan", colAttrs.length + (if rowAttrs.length ==0 then 0 else 1))
tr.appendChild th
result.appendChild tr
#then a row for row header headers
if rowAttrs.length !=0
tr = document.createElement("tr")
for own i, r of rowAttrs
th = document.createElement("th")
th.className = "pvtAxisLabel"
th.innerHTML = r
tr.appendChild th
th = document.createElement("th")
if colAttrs.length ==0
th.className = "pvtTotalLabel"
th.innerHTML = opts.localeStrings.totals
tr.appendChild th
result.appendChild tr
#now the actual data rows, with their row headers and totals
for own i, rowKey of rowKeys
tr = document.createElement("tr")
for own j, txt of rowKey
x = spanSize(rowKeys, parseInt(i), parseInt(j))
if x != -1
th = document.createElement("th")
th.className = "pvtRowLabel"
th.innerHTML = txt
th.setAttribute("rowspan", x)
if parseInt(j) == rowAttrs.length-1 and colAttrs.length !=0
th.setAttribute("colspan",2)
tr.appendChild th
for own j, colKey of colKeys #this is the tight loop
aggregator = pivotData.getAggregator(rowKey, colKey)
val = aggregator.value()
td = document.createElement("td")
td.className = "pvtVal row#{i} col#{j}"
td.innerHTML = aggregator.format(val)
td.setAttribute("data-value", val)
tr.appendChild td
totalAggregator = pivotData.getAggregator(rowKey, [])
val = totalAggregator.value()
td = document.createElement("td")
td.className = "pvtTotal rowTotal"
td.innerHTML = totalAggregator.format(val)
td.setAttribute("data-value", val)
td.setAttribute("data-for", "row"+i)
tr.appendChild td
result.appendChild tr
#finally, the row for col totals, and a grand total
tr = document.createElement("tr")
th = document.createElement("th")
th.className = "pvtTotalLabel"
th.innerHTML = opts.localeStrings.totals
th.setAttribute("colspan", rowAttrs.length + (if colAttrs.length == 0 then 0 else 1))
tr.appendChild th
for own j, colKey of colKeys
totalAggregator = pivotData.getAggregator([], colKey)
val = totalAggregator.value()
td = document.createElement("td")
td.className = "pvtTotal colTotal"
td.innerHTML = totalAggregator.format(val)
td.setAttribute("data-value", val)
td.setAttribute("data-for", "col"+j)
tr.appendChild td
totalAggregator = pivotData.getAggregator([], [])
val = totalAggregator.value()
td = document.createElement("td")
td.className = "pvtGrandTotal"
td.innerHTML = totalAggregator.format(val)
td.setAttribute("data-value", val)
tr.appendChild td
result.appendChild tr
#squirrel this away for later
result.setAttribute("data-numrows", rowKeys.length)
result.setAttribute("data-numcols", colKeys.length)
return result
###
Pivot Table core: create PivotData object and call Renderer on it
###
$.fn.pivot = (input, opts) ->
defaults =
cols : []
rows: []
filter: -> true
aggregator: aggregatorTemplates.count()()
aggregatorName: "Count"
derivedAttributes: {},
renderer: pivotTableRenderer
rendererOptions: null
localeStrings: locales.en.localeStrings
opts = $.extend defaults, opts
result = null
try
pivotData = new PivotData(input, opts)
try
result = opts.renderer(pivotData, opts.rendererOptions)
catch e
console.error(e.stack) if console?
result = $("<span>").html opts.localeStrings.renderError
catch e
console.error(e.stack) if console?
result = $("<span>").html opts.localeStrings.computeError
x = this[0]
x.removeChild(x.lastChild) while x.hasChildNodes()
return @append result
###
Pivot Table UI: calls Pivot Table core above with options set by user
###
$.fn.pivotUI = (input, inputOpts, overwrite = false, locale="en") ->
defaults =
derivedAttributes: {}
aggregators: locales[locale].aggregators
renderers: locales[locale].renderers
hiddenAttributes: []
menuLimit: 2000
cols: [], rows: [], vals: []
exclusions: {}
unusedAttrsVertical: "auto"
autoSortUnusedAttrs: false
rendererOptions: localeStrings: locales[locale].localeStrings
onRefresh: null
filter: -> true
localeStrings: locales[locale].localeStrings
existingOpts = @data "pivotUIOptions"
if not existingOpts? or overwrite
opts = $.extend defaults, inputOpts
else
opts = existingOpts
try
#cache the input in some useful form
input = PivotData.convertToArray(input)
tblCols = (k for own k of input[0])
tblCols.push c for own c of opts.derivedAttributes when (c not in tblCols)
#figure out the cardinality and some stats
axisValues = {}
axisValues[x] = {} for x in tblCols
PivotData.forEachRecord input, opts.derivedAttributes, (record) ->
for own k, v of record when opts.filter(record)
v ?= "null"
axisValues[k][v] ?= 0
axisValues[k][v]++
#start building the output
uiTable = $("<table>").attr("cellpadding", 5)
#renderer control
rendererControl = $("<td>")
renderer = $("<select>")
.addClass('pvtRenderer')
.appendTo(rendererControl)
.bind "change", -> refresh() #capture reference
for own x of opts.renderers
$("<option>").val(x).html(x).appendTo(renderer)
#axis list, including the double-click menu
colList = $("<td>").addClass('pvtAxisContainer pvtUnused')
shownAttributes = (c for c in tblCols when c not in opts.hiddenAttributes)
unusedAttrsVerticalAutoOverride = false
if opts.unusedAttrsVertical == "auto"
attrLength = 0
attrLength += a.length for a in shownAttributes
unusedAttrsVerticalAutoOverride = attrLength > 120
if opts.unusedAttrsVertical == true or unusedAttrsVerticalAutoOverride
colList.addClass('pvtVertList')
else
colList.addClass('pvtHorizList')
for i, c of shownAttributes
do (c) ->
keys = (k for k of axisValues[c])
hasExcludedItem = false
valueList = $("<div>").addClass('pvtFilterBox').hide()
valueList.append $("<h4>").text("#{c} (#{keys.length})")
if keys.length > opts.menuLimit
valueList.append $("<p>").html(opts.localeStrings.tooMany)
else
btns = $("<p>").appendTo(valueList)
btns.append $("<button>", {type:"button"}).html(opts.localeStrings.selectAll).bind "click", ->
valueList.find("input:visible").prop "checked", true
btns.append $("<button>", {type:"button"}).html(opts.localeStrings.selectNone).bind "click", ->
valueList.find("input:visible").prop "checked", false
btns.append $("<input>", {type: "text", placeholder: opts.localeStrings.filterResults, class: "pvtSearch"}).bind "keyup", ->
filter = $(this).val().toLowerCase()
valueList.find('.pvtCheckContainer p').each ->
testString = $(this).text().toLowerCase().indexOf(filter)
if testString isnt -1
$(this).show()
else
$(this).hide()
checkContainer = $("<div>").addClass("pvtCheckContainer").appendTo(valueList)
for k in keys.sort(naturalSort)
v = axisValues[c][k]
filterItem = $("<label>")
filterItemExcluded = if opts.exclusions[c] then (k in opts.exclusions[c]) else false
hasExcludedItem ||= filterItemExcluded
$("<input>")
.attr("type", "checkbox").addClass('pvtFilter')
.attr("checked", !filterItemExcluded).data("filter", [c,k])
.appendTo filterItem
filterItem.append $("<span>").html k
filterItem.append $("<span>").text " ("+v+")"
checkContainer.append $("<p>").append(filterItem)
updateFilter = ->
unselectedCount = valueList.find("[type='checkbox']").length -
valueList.find("[type='checkbox']:checked").length
if unselectedCount > 0
attrElem.addClass "pvtFilteredAttribute"
else
attrElem.removeClass "pvtFilteredAttribute"
if keys.length > opts.menuLimit
valueList.toggle()
else
valueList.toggle(0, refresh)
$("<p>").appendTo(valueList)
.append $("<button>", {type:"button"}).text("OK").bind "click", updateFilter
showFilterList = (e) ->
valueList.css(left: e.pageX, top: e.pageY).toggle()
valueList.find('.pvtSearch').val('')
valueList.find('.pvtCheckContainer p').show()
triangleLink = $("<span>").addClass('pvtTriangle').html(" ▾")
.bind "click", showFilterList
attrElem = $("<li>").addClass("axis_#{i}")
.append $("<span>").addClass('pvtAttr').text(c).data("attrName", c).append(triangleLink)
attrElem.addClass('pvtFilteredAttribute') if hasExcludedItem
colList.append(attrElem).append(valueList)
attrElem.bind "dblclick", showFilterList
tr1 = $("<tr>").appendTo(uiTable)
#aggregator menu and value area
aggregator = $("<select>").addClass('pvtAggregator')
.bind "change", -> refresh() #capture reference
for own x of opts.aggregators
aggregator.append $("<option>").val(x).html(x)
$("<td>").addClass('pvtVals')
.appendTo(tr1)
.append(aggregator)
.append($("<br>"))
#column axes
$("<td>").addClass('pvtAxisContainer pvtHorizList pvtCols').appendTo(tr1)
tr2 = $("<tr>").appendTo(uiTable)
#row axes
tr2.append $("<td>").addClass('pvtAxisContainer pvtRows').attr("valign", "top")
#the actual pivot table container
pivotTable = $("<td>")
.attr("valign", "top")
.addClass('pvtRendererArea')
.appendTo(tr2)
#finally the renderer dropdown and unused attribs are inserted at the requested location
if opts.unusedAttrsVertical == true or unusedAttrsVerticalAutoOverride
uiTable.find('tr:nth-child(1)').prepend rendererControl
uiTable.find('tr:nth-child(2)').prepend colList
else
uiTable.prepend $("<tr>").append(rendererControl).append(colList)
#render the UI in its default state
@html uiTable
#set up the UI initial state as requested by moving elements around
for x in opts.cols
@find(".pvtCols").append @find(".axis_#{$.inArray(x, shownAttributes)}")
for x in opts.rows
@find(".pvtRows").append @find(".axis_#{$.inArray(x, shownAttributes)}")
if opts.aggregatorName?
@find(".pvtAggregator").val opts.aggregatorName
if opts.rendererName?
@find(".pvtRenderer").val opts.rendererName
initialRender = true
#set up for refreshing
refreshDelayed = =>
subopts =
derivedAttributes: opts.derivedAttributes
localeStrings: opts.localeStrings
rendererOptions: opts.rendererOptions
cols: [], rows: []
numInputsToProcess = opts.aggregators[aggregator.val()]([])().numInputs ? 0
vals = []
@find(".pvtRows li span.pvtAttr").each -> subopts.rows.push $(this).data("attrName")
@find(".pvtCols li span.pvtAttr").each -> subopts.cols.push $(this).data("attrName")
@find(".pvtVals select.pvtAttrDropdown").each ->
if numInputsToProcess == 0
$(this).remove()
else
numInputsToProcess--
vals.push $(this).val() if $(this).val() != ""
if numInputsToProcess != 0
pvtVals = @find(".pvtVals")
for x in [0...numInputsToProcess]
newDropdown = $("<select>")
.addClass('pvtAttrDropdown')
.append($("<option>"))
.bind "change", -> refresh()
for attr in shownAttributes
newDropdown.append($("<option>").val(attr).text(attr))
pvtVals.append(newDropdown)
vals = opts.vals if opts.aggregatorName? and opts.aggregatorName is "MFSum"
if initialRender
i = 0
@find(".pvtVals select.pvtAttrDropdown").each ->
$(this).val vals[i]
i++
initialRender = false
subopts.aggregatorName = aggregator.val()
subopts.vals = vals
subopts.aggregator = opts.aggregators[aggregator.val()](vals)
subopts.renderer = opts.renderers[renderer.val()]
#construct filter here
exclusions = {}
@find('input.pvtFilter').not(':checked').each ->
filter = $(this).data("filter")
if exclusions[filter[0]]?
exclusions[filter[0]].push( filter[1] )
else
exclusions[filter[0]] = [ filter[1] ]
subopts.filter = (record) ->
return false if not opts.filter(record)
for k,excludedItems of exclusions
return false if ""+record[k] in excludedItems
return true
pivotTable.pivot(input,subopts)
pivotUIOptions = $.extend opts,
cols: subopts.cols
rows: subopts.rows
vals: vals
exclusions: exclusions
aggregatorName: aggregator.val()
rendererName: renderer.val()
@data "pivotUIOptions", pivotUIOptions
# if requested make sure unused columns are in alphabetical order
if opts.autoSortUnusedAttrs
natSort = $.pivotUtilities.naturalSort
unusedAttrsContainer = @find("td.pvtUnused.pvtAxisContainer")
$(unusedAttrsContainer).children("li")
.sort((a, b) => natSort($(a).text(), $(b).text()))
.appendTo unusedAttrsContainer
pivotTable.css("opacity", 1)
opts.onRefresh(pivotUIOptions) if opts.onRefresh?
refresh = =>
pivotTable.css("opacity", 0.5)
setTimeout refreshDelayed, 10
#the very first refresh will actually display the table
refresh()
@find(".pvtAxisContainer").sortable
update: (e, ui) -> refresh() if not ui.sender?
connectWith: @find(".pvtAxisContainer")
items: 'li'
placeholder: 'pvtPlaceholder'
catch e
console.error(e.stack) if console?
@html opts.localeStrings.uiRenderError
return this
###
Heatmap post-processing
###
$.fn.heatmap = (scope = "heatmap") ->
numRows = @data "numrows"
numCols = @data "numcols"
colorGen = (color, min, max) ->
hexGen = switch color
when "red" then (hex) -> "ff#{hex}#{hex}"
when "green" then (hex) -> "#{hex}ff#{hex}"
when "blue" then (hex) -> "#{hex}#{hex}ff"
return (x) ->
intensity = 255 - Math.round 255*(x-min)/(max-min)
hex = intensity.toString(16).split(".")[0]
hex = 0+hex if hex.length == 1
return hexGen(hex)
heatmapper = (scope, color) =>
forEachCell = (f) =>
@find(scope).each ->
x = $(this).data("value")
f(x, $(this)) if x? and isFinite(x)
values = []
forEachCell (x) -> values.push x
colorFor = colorGen color, Math.min(values...), Math.max(values...)
forEachCell (x, elem) -> elem.css "background-color", "#" + colorFor(x)
switch scope
when "heatmap"
heatmapper ".pvtVal", "red"
when "rowheatmap"
heatmapper ".pvtVal.row#{i}", "red" for i in [0...numRows]
when "colheatmap"
heatmapper ".pvtVal.col#{j}", "red" for j in [0...numCols]
heatmapper ".pvtTotal.rowTotal", "red"
heatmapper ".pvtTotal.colTotal", "red"
return this
###
Barchart post-processing
###
$.fn.barchart = ->
numRows = @data "numrows"
numCols = @data "numcols"
barcharter = (scope) =>
forEachCell = (f) =>