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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
uniques: (fn, formatter=usFmtInt) -> ([attr]) -> (data, rowKey, colKey) ->
uniq: []
push: (record) -> @uniq.push(record[attr]) if record[attr] not in @uniq
value: -> fn(@uniq)
format: formatter
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
extremes: (mode, formatter=usFmt) -> ([attr]) -> (data, rowKey, colKey) ->
val: null
sorter: getSort(data?.sorters, attr)
push: (record) ->
x = record[attr]
if mode in ["min", "max"]
x = parseFloat(x)
if not isNaN x then @val = Math[mode](x, @val ? x)
if mode == "first" then @val = x if @sorter(x, @val ? x) <= 0
if mode == "last" then @val = x if @sorter(x, @val ? x) >= 0
value: -> @val
format: (x) -> if isNaN(x) then x else formatter(x)
numInputs: if attr? then 0 else 1
quantile: (q, formatter=usFmt) -> ([attr]) -> (data, rowKey, colKey) ->
vals: []
push: (record) ->
x = parseFloat(record[attr])
@vals.push(x) if not isNaN(x)
value: ->
return null if @vals.length == 0
@vals.sort((a,b) -> a-b)
i = (@vals.length-1)*q
return (@vals[Math.floor(i)] + @vals[Math.ceil(i)])/2.0
format: formatter
numInputs: if attr? then 0 else 1
runningStat: (mode="mean", ddof=1, formatter=usFmt) -> ([attr]) -> (data, rowKey, colKey) ->
n: 0.0, m: 0.0, s: 0.0
push: (record) ->
x = parseFloat(record[attr])
return if isNaN(x)
@n += 1.0
if @n == 1.0
@m = x
else
m_new = @m + (x - @m)/@n
@s = @s + (x - @m)*(x - m_new)
@m = m_new
value: ->
if mode == "mean"
return if @n == 0 then 0/0 else @m
return 0 if @n <= ddof
switch mode
when "var" then @s/(@n-ddof)
when "stdev" then Math.sqrt(@s/(@n-ddof))
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
aggregatorTemplates.countUnique = (f) -> aggregatorTemplates.uniques(((x) -> x.length), f)
aggregatorTemplates.listUnique = (s) -> aggregatorTemplates.uniques(((x) -> x.join(s)), ((x)->x))
aggregatorTemplates.max = (f) -> aggregatorTemplates.extremes('max', f)
aggregatorTemplates.min = (f) -> aggregatorTemplates.extremes('min', f)
aggregatorTemplates.first = (f) -> aggregatorTemplates.extremes('first', f)
aggregatorTemplates.last = (f) -> aggregatorTemplates.extremes('last', f)
aggregatorTemplates.median = (f) -> aggregatorTemplates.quantile(0.5, f)
aggregatorTemplates.average = (f) -> aggregatorTemplates.runningStat("mean", 1, f)
aggregatorTemplates.var = (ddof, f) -> aggregatorTemplates.runningStat("var", ddof, f)
aggregatorTemplates.stdev = (ddof, f) -> aggregatorTemplates.runningStat("stdev", ddof, f)
#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)
"Integer Sum": tpl.sum(usFmtInt)
"Average": tpl.average(usFmt)
"Median": tpl.median(usFmt)
"Sample Variance": tpl.var(1, usFmt)
"Sample Standard Deviation": tpl.stdev(1, usFmt)
"Minimum": tpl.min(usFmt)
"Maximum": tpl.max(usFmt)
"First": tpl.first(usFmt)
"Last": tpl.last(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": (data, opts) -> pivotTableRenderer(data, opts)
"Table Barchart": (data, opts) -> $(pivotTableRenderer(data, opts)).barchart()
"Heatmap": (data, opts) -> $(pivotTableRenderer(data, opts)).heatmap("heatmap", opts)
"Row Heatmap": (data, opts) -> $(pivotTableRenderer(data, opts)).heatmap("rowheatmap", opts)
"Col Heatmap": (data, opts) -> $(pivotTableRenderer(data, opts)).heatmap("colheatmap", opts)
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 values"
apply: "Apply"
cancel: "Cancel"
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, utcOutput=false, mthNames=mthNamesEn, dayNames=dayNamesEn) ->
utc = if utcOutput then "UTC" else ""
(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["get#{utc}FullYear"]()
when "m" then zeroPad(date["get#{utc}Month"]()+1)
when "n" then mthNames[date["get#{utc}Month"]()]
when "d" then zeroPad(date["get#{utc}Date"]())
when "w" then dayNames[date["get#{utc}Day"]()]
when "x" then date["get#{utc}Day"]()
when "H" then zeroPad(date["get#{utc}Hours"]())
when "M" then zeroPad(date["get#{utc}Minutes"]())
when "S" then zeroPad(date["get#{utc}Seconds"]())
else "%" + p
rx = /(\d+)|(\D+)/g
rd = /\d/
rz = /^0/
naturalSort = (as, bs) =>
#nulls first
return -1 if bs? and not as?
return 1 if as? and not bs?
#then raw NaNs
return -1 if typeof as == "number" and isNaN(as)
return 1 if typeof bs == "number" and isNaN(bs)
#numbers and numbery strings group together
nas = +as
nbs = +bs
return -1 if nas < nbs
return 1 if nas > nbs
#within that, true numbers before numbery strings
return -1 if typeof as == "number" and typeof bs != "number"
return 1 if typeof bs == "number" and typeof as != "number"
return 0 if typeof as == "number" and typeof bs == "number"
# 'Infinity' is a textual number, so less than 'A'
return -1 if isNaN(nbs) and not isNaN(nas)
return 1 if isNaN(nas) and not isNaN(nbs)
#finally, "smart" string sorting per http://stackoverflow.com/a/4373421/112871
a = String(as)
b = String(bs)
return 0 if a == b
return (if a > b then 1 else -1) unless rd.test(a) and rd.test(b)
#special treatment for strings containing digits
a = a.match(rx) #create digits vs non-digit chunks and iterate through
b = b.match(rx)
while a.length and b.length
a1 = a.shift()
b1 = b.shift()
if a1 != b1
if rd.test(a1) and rd.test(b1) #both are digit chunks
return a1.replace(rz, ".0") - b1.replace(rz, ".0")
else
return (if a1 > b1 then 1 else -1)
return a.length - b.length
sortAs = (order) ->
mapping = {}
l_mapping = {} # sort lowercased keys similarly
for i, x of order
mapping[x] = i
l_mapping[x.toLowerCase()] = i if typeof x == "string"
(a, b) ->
if mapping[a]? and mapping[b]? then mapping[a] - mapping[b]
else if mapping[a]? then -1
else if mapping[b]? then 1
else if l_mapping[a]? and l_mapping[b]? then l_mapping[a] - l_mapping[b]
else if l_mapping[a]? then -1
else if l_mapping[b]? then 1
else naturalSort(a,b)
getSort = (sorters, attr) ->
if sorters?
if $.isFunction(sorters)
sort = sorters(attr)
return sort if $.isFunction(sort)
else if sorters[attr]?
return sorters[attr]
return naturalSort
###
Data Model class
###
class PivotData
constructor: (input, opts = {}) ->
@input = input
@aggregator = opts.aggregator ? aggregatorTemplates.count()()
@aggregatorName = opts.aggregatorName ? "Count"
@colAttrs = opts.cols ? []
@rowAttrs = opts.rows ? []
@valAttrs = opts.vals ? []
@sorters = opts.sorters ? {}
@rowOrder = opts.rowOrder ? "key_a_to_z"
@colOrder = opts.colOrder ? "key_a_to_z"
@derivedAttributes = opts.derivedAttributes ? {}
@filter = opts.filter ? (-> true)
@tree = {}
@rowKeys = []
@colKeys = []
@rowTotals = {}
@colTotals = {}
@allTotal = @aggregator(this, [], [])
@sorted = false
# iterate through input, accumulating data for cells
PivotData.forEachRecord @input, @derivedAttributes, (record) =>
@processRecord(record) if @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).text()
addRecord(record)
else
throw new Error("unknown input format")
forEachMatchingRecord: (criteria, callback) ->
PivotData.forEachRecord @input, @derivedAttributes, (record) =>
return if not @filter(record)
for k, v of criteria
return if v != (record[k] ? "null")
callback(record)
arrSort: (attrs) =>
sortersArr = (getSort(@sorters, a) for a in attrs)
(a,b) ->
for own i, sorter of sortersArr
comparison = sorter(a[i], b[i])
return comparison if comparison != 0
return 0
sortKeys: () =>
if not @sorted
@sorted = true
v = (r,c) => @getAggregator(r,c).value()
switch @rowOrder
when "value_a_to_z" then @rowKeys.sort (a,b) => naturalSort v(a,[]), v(b,[])
when "value_z_to_a" then @rowKeys.sort (a,b) => -naturalSort v(a,[]), v(b,[])
else @rowKeys.sort @arrSort(@rowAttrs)
switch @colOrder
when "value_a_to_z" then @colKeys.sort (a,b) => naturalSort v([],a), v([],b)
when "value_z_to_a" then @colKeys.sort (a,b) => -naturalSort v([],a), v([],b)
else @colKeys.sort @arrSort(@colAttrs)
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: -> ""}
#expose these to the outside world
$.pivotUtilities = {aggregatorTemplates, aggregators, renderers, derivers, locales,
naturalSort, numberFormat, sortAs, PivotData}
###
Default Renderer for hierarchical table layout
###
pivotTableRenderer = (pivotData, opts) ->
defaults =
table: clickCallback: null
localeStrings: totals: "Totals"
opts = $.extend(true, {}, defaults, opts)
colAttrs = pivotData.colAttrs
rowAttrs = pivotData.rowAttrs
rowKeys = pivotData.getRowKeys()
colKeys = pivotData.getColKeys()
if opts.table.clickCallback
getClickHandler = (value, rowValues, colValues) ->
filters = {}
filters[attr] = colValues[i] for own i, attr of colAttrs when colValues[i]?
filters[attr] = rowValues[i] for own i, attr of rowAttrs when rowValues[i]?
return (e) -> opts.table.clickCallback(e, value, filters, pivotData)
#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
thead = document.createElement("thead")
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.textContent = 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.textContent = 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
thead.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.textContent = r
tr.appendChild th
th = document.createElement("th")
if colAttrs.length ==0
th.className = "pvtTotalLabel"
th.innerHTML = opts.localeStrings.totals
tr.appendChild th
thead.appendChild tr
result.appendChild thead
#now the actual data rows, with their row headers and totals
tbody = document.createElement("tbody")
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.textContent = 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.textContent = aggregator.format(val)
td.setAttribute("data-value", val)
if getClickHandler?
td.onclick = getClickHandler(val, rowKey, colKey)
tr.appendChild td
totalAggregator = pivotData.getAggregator(rowKey, [])
val = totalAggregator.value()
td = document.createElement("td")
td.className = "pvtTotal rowTotal"
td.textContent = totalAggregator.format(val)
td.setAttribute("data-value", val)
if getClickHandler?
td.onclick = getClickHandler(val, rowKey, [])
td.setAttribute("data-for", "row"+i)
tr.appendChild td
tbody.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.textContent = totalAggregator.format(val)
td.setAttribute("data-value", val)
if getClickHandler?
td.onclick = getClickHandler(val, [], colKey)
td.setAttribute("data-for", "col"+j)
tr.appendChild td
totalAggregator = pivotData.getAggregator([], [])
val = totalAggregator.value()
td = document.createElement("td")
td.className = "pvtGrandTotal"
td.textContent = totalAggregator.format(val)
td.setAttribute("data-value", val)
if getClickHandler?
td.onclick = getClickHandler(val, [], [])
tr.appendChild td
tbody.appendChild tr
result.appendChild tbody
#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, inputOpts, locale="en") ->
locale = "en" if not locales[locale]?
defaults =
cols : [], rows: [], vals: []
rowOrder: "key_a_to_z", colOrder: "key_a_to_z"
dataClass: PivotData
filter: -> true
aggregator: aggregatorTemplates.count()()
aggregatorName: "Count"
sorters: {}
derivedAttributes: {}
renderer: pivotTableRenderer
localeStrings = $.extend(true, {}, locales.en.localeStrings, locales[locale].localeStrings)
localeDefaults =
rendererOptions: {localeStrings}
localeStrings: localeStrings
opts = $.extend(true, {}, localeDefaults, $.extend({}, defaults, inputOpts))
result = null
try
pivotData = new opts.dataClass(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") ->
locale = "en" if not locales[locale]?
defaults =
derivedAttributes: {}
aggregators: locales[locale].aggregators
renderers: locales[locale].renderers
hiddenAttributes: []
menuLimit: 500
cols: [], rows: [], vals: []
rowOrder: "key_a_to_z", colOrder: "key_a_to_z"
dataClass: PivotData
exclusions: {}
inclusions: {}
unusedAttrsVertical: 85
autoSortUnusedAttrs: false
onRefresh: null
filter: -> true
sorters: {}
localeStrings = $.extend(true, {}, locales.en.localeStrings, locales[locale].localeStrings)
localeDefaults =
rendererOptions: {localeStrings}
localeStrings: localeStrings
existingOpts = @data "pivotUIOptions"
if not existingOpts? or overwrite
opts = $.extend(true, {}, localeDefaults, $.extend({}, defaults, inputOpts))
else
opts = existingOpts
try
# do a first pass on the data to cache a materialized copy of any
# function-valued inputs and to compute dimension cardinalities
attrValues = {}
materializedInput = []
recordsProcessed = 0
PivotData.forEachRecord input, opts.derivedAttributes, (record) ->
return unless opts.filter(record)
materializedInput.push(record)
for own attr of record
if not attrValues[attr]?
attrValues[attr] = {}
if recordsProcessed > 0
attrValues[attr]["null"] = recordsProcessed
for attr of attrValues
value = record[attr] ? "null"
attrValues[attr][value] ?= 0
attrValues[attr][value]++
recordsProcessed++
#start building the output
uiTable = $("<table>", "class": "pvtUi").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
unused = $("<td>").addClass('pvtAxisContainer pvtUnused')
shownAttributes = (a for a of attrValues when a not in opts.hiddenAttributes)
unusedAttrsVerticalAutoOverride = false
if opts.unusedAttrsVertical == "auto"
unusedAttrsVerticalAutoCutoff = 120 # legacy support
else
unusedAttrsVerticalAutoCutoff = parseInt opts.unusedAttrsVertical
if not isNaN(unusedAttrsVerticalAutoCutoff)
attrLength = 0
attrLength += a.length for a in shownAttributes
unusedAttrsVerticalAutoOverride = attrLength > unusedAttrsVerticalAutoCutoff
if opts.unusedAttrsVertical == true or unusedAttrsVerticalAutoOverride
unused.addClass('pvtVertList')
else
unused.addClass('pvtHorizList')
for own i, attr of shownAttributes
do (attr) ->
values = (v for v of attrValues[attr])
hasExcludedItem = false
valueList = $("<div>").addClass('pvtFilterBox').hide()
valueList.append $("<h4>").append(
$("<span>").text(attr),
$("<span>").addClass("count").text("(#{values.length})"),
)
if values.length > opts.menuLimit
valueList.append $("<p>").html(opts.localeStrings.tooMany)
else
if values.length > 5
controls = $("<p>").appendTo(valueList)
sorter = getSort(opts.sorters, attr)
placeholder = opts.localeStrings.filterResults
$("<input>", {type: "text"}).appendTo(controls)
.attr({placeholder: placeholder, class: "pvtSearch"})
.bind "keyup", ->
filter = $(this).val().toLowerCase().trim()
accept_gen = (prefix, accepted) -> (v) ->
real_filter = filter.substring(prefix.length).trim()
return true if real_filter.length == 0
return Math.sign(sorter(v.toLowerCase(), real_filter)) in accepted
accept =
if filter.startsWith(">=") then accept_gen(">=", [1,0])
else if filter.startsWith("<=") then accept_gen("<=", [-1,0])
else if filter.startsWith(">") then accept_gen(">", [1])
else if filter.startsWith("<") then accept_gen("<", [-1])
else if filter.startsWith("~") then (v) ->
return true if filter.substring(1).trim().length == 0
v.toLowerCase().match(filter.substring(1))
else (v) -> v.toLowerCase().indexOf(filter) != -1
valueList.find('.pvtCheckContainer p label span.value').each ->
if accept($(this).text())
$(this).parent().parent().show()
else
$(this).parent().parent().hide()
controls.append $("<br>")
$("<button>", {type:"button"}).appendTo(controls)
.html(opts.localeStrings.selectAll)
.bind "click", ->
valueList.find("input:visible:not(:checked)")
.prop("checked", true).toggleClass("changed")
return false
$("<button>", {type:"button"}).appendTo(controls)
.html(opts.localeStrings.selectNone)
.bind "click", ->
valueList.find("input:visible:checked")
.prop("checked", false).toggleClass("changed")
return false
checkContainer = $("<div>").addClass("pvtCheckContainer").appendTo(valueList)
for value in values.sort(getSort(opts.sorters, attr))
valueCount = attrValues[attr][value]
filterItem = $("<label>")
filterItemExcluded = false
if opts.inclusions[attr]
filterItemExcluded = (value not in opts.inclusions[attr])
else if opts.exclusions[attr]
filterItemExcluded = (value in opts.exclusions[attr])
hasExcludedItem ||= filterItemExcluded
$("<input>")
.attr("type", "checkbox").addClass('pvtFilter')
.attr("checked", !filterItemExcluded).data("filter", [attr,value])
.appendTo(filterItem)
.bind "change", -> $(this).toggleClass("changed")
filterItem.append $("<span>").addClass("value").text(value)
filterItem.append $("<span>").addClass("count").text("("+valueCount+")")
checkContainer.append $("<p>").append(filterItem)
closeFilterBox = ->
if valueList.find("[type='checkbox']").length >
valueList.find("[type='checkbox']:checked").length
attrElem.addClass "pvtFilteredAttribute"
else
attrElem.removeClass "pvtFilteredAttribute"
valueList.find('.pvtSearch').val('')
valueList.find('.pvtCheckContainer p').show()
valueList.hide()
finalButtons = $("<p>").appendTo(valueList)
if values.length <= opts.menuLimit
$("<button>", {type: "button"}).text(opts.localeStrings.apply)
.appendTo(finalButtons).bind "click", ->
if valueList.find(".changed").removeClass("changed").length
refresh()
closeFilterBox()
$("<button>", {type: "button"}).text(opts.localeStrings.cancel)
.appendTo(finalButtons).bind "click", ->
valueList.find(".changed:checked")
.removeClass("changed").prop("checked", false)
valueList.find(".changed:not(:checked)")
.removeClass("changed").prop("checked", true)
closeFilterBox()
triangleLink = $("<span>").addClass('pvtTriangle')
.html(" ▾").bind "click", (e) ->
{left, top} = $(e.currentTarget).position()
valueList.css(left: left+10, top: top+10).show()
attrElem = $("<li>").addClass("axis_#{i}")
.append $("<span>").addClass('pvtAttr').text(attr).data("attrName", attr).append(triangleLink)
attrElem.addClass('pvtFilteredAttribute') if hasExcludedItem
unused.append(attrElem).append(valueList)
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)
ordering =
key_a_to_z: {rowSymbol: "↕", colSymbol: "↔", next: "value_a_to_z"}
value_a_to_z: {rowSymbol: "↓", colSymbol: "→", next: "value_z_to_a"}
value_z_to_a: {rowSymbol: "↑", colSymbol: "←", next: "key_a_to_z"}
rowOrderArrow = $("<a>", role: "button").addClass("pvtRowOrder")
.data("order", opts.rowOrder).html(ordering[opts.rowOrder].rowSymbol)
.bind "click", ->
$(this).data("order", ordering[$(this).data("order")].next)
$(this).html(ordering[$(this).data("order")].rowSymbol)
refresh()
colOrderArrow = $("<a>", role: "button").addClass("pvtColOrder")
.data("order", opts.colOrder).html(ordering[opts.colOrder].colSymbol)
.bind "click", ->
$(this).data("order", ordering[$(this).data("order")].next)
$(this).html(ordering[$(this).data("order")].colSymbol)
refresh()
$("<td>").addClass('pvtVals')
.appendTo(tr1)
.append(aggregator)
.append(rowOrderArrow)
.append(colOrderArrow)
.append($("<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 unused
else
uiTable.prepend $("<tr>").append(rendererControl).append(unused)
#render the UI in its default state
@html uiTable
#set up the UI initial state as requested by moving elements around
for x in opts.cols
@find(".pvtCols").append @find(".axis_#{$.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
sorters: opts.sorters
cols: [], rows: []
dataClass: opts.dataClass
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)
if initialRender
vals = opts.vals
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()]
subopts.rowOrder = rowOrderArrow.data("order")
subopts.colOrder = colOrderArrow.data("order")
#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] ]
#include inclusions when exclusions present
inclusions = {}
@find('input.pvtFilter:checked').each ->
filter = $(this).data("filter")
if exclusions[filter[0]]?
if inclusions[filter[0]]?
inclusions[filter[0]].push( filter[1] )
else
inclusions[filter[0]] = [ filter[1] ]
subopts.filter = (record) ->
return false if not opts.filter(record)
for k,excludedItems of exclusions
return false if ""+(record[k] ? 'null') in excludedItems
return true
pivotTable.pivot(materializedInput,subopts)
pivotUIOptions = $.extend {}, opts,
cols: subopts.cols
rows: subopts.rows
colOrder: subopts.colOrder
rowOrder: subopts.rowOrder
vals: vals
exclusions: exclusions
inclusions: inclusions