virool-pivot
Version:
A web-based exploratory visualization UI for Druid.io
110 lines (109 loc) • 3.59 kB
JavaScript
;
var numeral = require('numeral');
var plywood_1 = require('plywood');
var time_1 = require('../../utils/time/time');
var scales = {
'a': {
'': 1,
'k': 1e3,
'm': 1e6,
'b': 1e9,
't': 1e12
},
'b': {
'B': 1,
'KB': 1024,
'MB': 1024 * 1024,
'GB': 1024 * 1024 * 1024,
'TB': 1024 * 1024 * 1024 * 1024,
'PB': 1024 * 1024 * 1024 * 1024 * 1024,
'EB': 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
'ZB': 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
'YB': 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024
}
};
function getMiddleNumber(values) {
var filteredAbsData = [];
for (var _i = 0, values_1 = values; _i < values_1.length; _i++) {
var v = values_1[_i];
if (v === 0 || isNaN(v) || !isFinite(v))
continue;
filteredAbsData.push(Math.abs(v));
}
var n = filteredAbsData.length;
if (n) {
filteredAbsData.sort(function (a, b) { return b - a; });
return filteredAbsData[Math.ceil((n - 1) / 2)];
}
else {
return 0;
}
}
exports.getMiddleNumber = getMiddleNumber;
function formatterFromData(values, format) {
var match = format.match(/^(\S*)( ?)([ab])$/);
if (match) {
var numberFormat = match[1];
var space = match[2];
var formatType = match[3];
var middle = getMiddleNumber(values);
var formatMiddle = numeral(middle).format('0 ' + formatType);
var unit = formatMiddle.split(' ')[1] || '';
var scale = scales[formatType][unit];
var append = unit ? space + unit : '';
return function (n) {
if (isNaN(n) || !isFinite(n))
return '-';
return numeral(n / scale).format(numberFormat) + append;
};
}
else {
return function (n) {
if (isNaN(n) || !isFinite(n))
return '-';
return numeral(n).format(format);
};
}
}
exports.formatterFromData = formatterFromData;
function formatValue(value) {
if (plywood_1.NumberRange.isNumberRange(value)) {
return formatValue(value.start) + "-" + formatValue(value.end);
}
else {
return '' + value;
}
}
exports.formatValue = formatValue;
function formatFilterClause(options) {
var dimension = options.dimension, clause = options.clause, essence = options.essence, verbose = options.verbose;
// ToDo: get essence out of here
var label = dimension.title;
switch (dimension.kind) {
case 'boolean':
case 'number':
case 'string':
if (verbose) {
label += ": " + clause.getLiteralSet().toString();
}
else {
var setElements = clause.getLiteralSet().elements;
label += setElements.length > 1 ? " (" + setElements.length + ")" : ": " + formatValue(setElements[0]);
}
break;
case 'time':
var timeSelection = clause.selection;
var timeRange = essence.evaluateSelection(timeSelection);
if (verbose) {
label += ": " + time_1.formatTimeRange(timeRange, essence.timezone, time_1.DisplayYear.IF_DIFF);
}
else {
label = time_1.formatTimeRange(timeRange, essence.timezone, time_1.DisplayYear.IF_DIFF);
}
break;
default:
throw new Error("unknown kind " + dimension.kind);
}
return label;
}
exports.formatFilterClause = formatFilterClause;