DDH.conversions = DDH.conversions || {};
(function(DDH) {
"use strict";
// flag variables for onShow functionality
var localDOMInitialized = false;
var initialized = false;
// UI: the input / output fields
var $convert_left,
$convert_right,
$select_right,
$select_left,
$unitSelector,
$selects;
// caches the local DOM vars
function setUpLocalDOM() {
var $root = DDH.getDOM('conversions');
$convert_left = $root.find(".frm__input--left");
$convert_right = $root.find(".frm__input--right");
$selects = $root.find(".frm--bottom select");
$select_right = $root.find(".frm__select--right");
$select_left = $root.find(".frm__select--left");
$unitSelector = $root.find(".frm__select--top");
localDOMInitialized = true;
}
/**
* Converter
*
* The converter object is responsible for getting the values from
* the UI and building the expression that is passed to the math object
*/
var Converter = {
// the local vars
leftUnit: "",
rightUnit: "",
leftValue: "",
rightValue: "",
customUnits: [
// CUSTOM AREA UNITS
{name: 'barn', factor: '0.00000000000000000000000000000001 hectare'},
{name: 'rood', factor: '0.10117141 hectare'},
{name: 'squarerod', factor: '0.00252929 hectare'},
{name: 'are', factor: '0.01 hectare'},
{name: 'sqdecimeter', factor: '0.000001 hectare'},
{name: 'sqcentimeter', factor: '0.0001 m2'},
{name: 'sqmillimeter', factor: '0.01 sqcentimeter'},
// CUSTOM DURATION UNITS
{name: "femtosecond", factor: "0.000000000000001 second"},
{name: "picosecond", factor: "0.000000000001 second"},
{name: "fortnight", factor: "2 week"},
{name: "siderealyear", factor: "1.00001741 year"},
// CUSTOM DIGITAL UNITS
{name: 'kbit', factor: '1000 b'},
{name: 'mbit', factor: '1000000 b'},
{name: 'gbit', factor: '1000000000 b'},
{name: 'tbit', factor: '1000000000000 b'},
{name: 'KB', factor: '1000 B'},
{name: 'MB', factor: '1000000 B'},
{name: 'GB', factor: '1000000000 B'},
{name: 'TB', factor: '1000 GB'},
{name: 'PB', factor: '1000 TB'},
{name: 'kibibit', factor: '128 B'},
{name: 'mebibit', factor: '131072 B'},
{name: 'gibibit', factor: '1024 mebibit'},
{name: 'tebibit', factor: '1024 gibibit'},
{name: 'pebibit', factor: '1024 tebibit'},
{name: 'kibibyte', factor: '1024 B'},
{name: 'mebibyte', factor: '1024 kibibyte'},
{name: 'gibibyte', factor: '1024 mebibyte'},
{name: 'tebibyte', factor: '1024 gibibyte'},
{name: 'pebibyte', factor: '1024 tebibyte'},
// CUSTOM DIGITAL TRANSFER UNITS
{name: 'bitps', factor: '1 b'},
{name: 'kbitps', factor: '1000 bitps'},
{name: 'mbitps', factor: '1000 kbitps'},
{name: 'gbitps', factor: '1000 mbitps'},
{name: 'tbitps', factor: '1000 gbitps'},
{name: 'kilobyteps', factor: '8000 bitps'},
{name: 'megabyteps', factor: '1000 kilobyteps'},
{name: 'gigabyteps', factor: '1000 megabyteps'},
{name: 'terabyteps', factor: '1000 gigabyteps'},
{name: 'kibps', factor: '1024 bitps'},
{name: 'mibps', factor: '1024 kibps'},
{name: 'gibps', factor: '1024 mibps'},
{name: 'tibps', factor: '1024 gibps'},
// CUSTOM ANGLE UNITS
{name: 'microarcsec', factor: '0.000000000004848 rad'},
{name: 'milliarcsec', factor: '0.000000004848 rad'},
{name: 'microrad', factor: '0.000001 rad'},
{name: 'rev', factor: '6.2832 rad'},
// CUSTOM ENERGY UNITS
{name: 'ergfixed', factor: '0.0000001 joules'}, // math.js bug workaround
{name: 'kilojoule', factor: '1000 joules'},
{name: 'gramcalorie', factor: '4.184 joules'},
{name: 'kilocalorie', factor: '4184 joules'},
{name: 'footpound', factor: '1.35581795 joules'},
{name: 'decielectronvolt', factor: '0.1 electronvolt'},
{name: 'centielectronvolt', factor: '0.01 electronvolt'},
{name: 'millielectronvolt', factor: '0.001 electronvolt'},
{name: 'microelectronvolt', factor: '0.000001 electronvolt'},
{name: 'nanoelectronvolt', factor: '0.000000001 electronvolt'},
{name: 'picoelectronvolt', factor: '0.000000000001 electronvolt'},
{name: 'femtoelectronvolt', factor: '0.000000000000001 electronvolt'},
{name: 'attoelectronvolt', factor: '0.000000000000000001 electronvolt'},
{name: 'zeptoelectronvolt', factor: '0.000000000000000000001 electronvolt'},
{name: 'yoctoelectronvolt', factor: '0.000000000000000000000001 electronvolt'},
{name: 'decaelectronvolt', factor: '10000000000000000 femtoelectronvolt'},
{name: 'hectoelectronvolt', factor: '100000000000000000 femtoelectronvolt'},
{name: 'kiloelectronvolt', factor: '1000000000000000000 femtoelectronvolt'},
{name: 'megaelectronvolt', factor: '1000 kiloelectronvolt'},
{name: 'gigaelectronvolt', factor: '1000000 kiloelectronvolt'},
{name: 'teraelectronvolt', factor: '1000 gigaelectronvolt'},
{name: 'petaelectronvolt', factor: '1000 teraelectronvolt'},
{name: 'exaelectronvolt', factor: '1000 petaelectronvolt'},
{name: 'zettaelectronvolt', factor: '1000 exaelectronvolt'},
{name: 'yottaelectronvolt', factor: '1000 zettaelectronvolt'},
// CUSTOM LENGTH UNITS
{name: 'nauticalmile', factor: '1.15078 miles'},
{name: 'astronomicalunit', factor: '149597870700 meters'},
{name: 'lightyear', factor: '9460730472580800 meters'},
{name: 'parsec', factor: '30856775814913673 meters'},
// CUSTOM FORCE UNITS
{name: 'kilonewton', factor: '1000 newton'},
{name: 'gramforce', factor: '0.00980665 newton'},
{name: 'ounceforce', factor: '0.0625 poundforce'},
{name: 'kilogramforce', factor: '1000 gramforce'},
{name: 'metrictonforce', factor: '1000 kilogramforce'},
// CUSTOM MASS UNITS
{name: 'dekagram', factor: '10 grams'},
{name: 'metricton', factor: '1 megagram'},
{name: 'longton', factor: '1016.05 kilograms'},
{name: 'shortton', factor: '907.185 kilograms'},
{name: 'metricquintal', factor: '100 kilograms'},
{name: 'usquintal', factor: '45.359237 kilograms'},
{name: 'frenchquintal', factor: '148.95 kilograms'},
{name: 'troyounce', factor: '31.1034768 grams'},
{name: 'slug', factor: '14.593903 kilograms'},
{name: 'tola', factor: '11.6638038 grams'},
{name: 'carat', factor: '0.2 grams'},
{name: 'atomicmassunit', factor: '0.000000001660538921 femtograms'},
// CUSTOM POWER UNITS
{name: 'kilowatt', factor: '1000 watt'},
{name: 'megawatt', factor: '1000 kilowatt'},
{name: 'gigawatt', factor: '1000 megawatt'},
{name: 'terawatt', factor: '1000 gigawatt'},
{name: 'petawatt', factor: '1000 terawatt'},
{name: 'exawatt', factor: '1000 petawatt'},
// CUSTOM PRESSURE UNITS
{name: 'barye', factor: '0.000001 bar'},
{name: 'Satm', factor: '1 atm'},
{name: 'at', factor: '0.980665 bar'},
{name: 'mbar', factor: '0.001 bar'},
{name: 'cbar', factor: '0.01 bar'},
{name: 'dbar', factor: '0.1 bar'},
{name: 'kbar', factor: '1000 bar'},
{name: 'Mbar', factor: '100000 bar'},
{name: 'Gbar', factor: '100000000 bar'},
// CUSTOM SPEED UNITS
{name: 'knot', factor: '1.15078 mi/h'},
// CUSTOM VOLUME UNITS
{name: 'impgallon', factor: '4.54609 liters'},
{name: 'usgallon', factor: '3.7854 liters'},
{name: 'usfluidounce', factor: '0.0078125 usgallon'},
{name: 'impfluidounce', factor: '0.0284131 liters'},
{name: 'usquart', factor: '0.946353 liters'},
{name: 'impquart', factor: '1.13652 liters'},
{name: 'uscup', factor: '0.24 liters'},
{name: 'impcup', factor: '0.284131 liters'},
{name: 'ustbsp', factor: '0.0147868 liters'},
{name: 'imptbsp', factor: '0.0177582 liters'},
{name: 'ustsp', factor: '0.00492892 liters'},
{name: 'imptsp', factor: '0.00591939 liters'},
],
// custom units that are not supported by math.js
setUpCustomUnits: function() {
for (var i = 0 ; i < this.customUnits.length ; i++) {
math.createUnit(
this.customUnits[i].name,
this.customUnits[i].factor
)
};
},
setValues: function() {
this.setLeftUnit();
this.setRightUnit();
this.setLeftValue();
this.setRightValue();
},
setLeftUnit: function() {
this.leftUnit = $select_left.val();
},
setLeftValue: function() {
this.leftValue = $convert_left.val();
},
setRightUnit: function() {
this.rightUnit = $select_right.val();
},
setRightValue: function() {
this.rightValue = $convert_right.val();
},
// determines the precision of number / number in e-notation
// 0.23 --> 2, 0.32214 --> 5, 1 --> 0
determinePrecision: function( number ) {
var match = (''+number).match(/(?:\.(\d+))?(?:[eE]([+-]?\d+))?$/);
if (!match) { return 0; }
return Math.max(
0,
// Number of digits right of decimal point.
(match[1] ? match[1].length : 0)
// Adjusts for scientific notation.
- (match[2] ? +match[2] : 0));
},
// evaluates the function using math.js
// the length of the input is used to determine precision unless it's more than 7
eval: function( expression, precision ) {
var prec = Math.max(precision, 7);
var ans = math.eval(expression).format({ precision: prec }).split(" ")[0];
return parseFloat(ans).toFixed(this.determinePrecision(ans));
},
convert: function( side ) {
// if side isn't defined, default to right
var side = side || "right"
this.setValues();
if(side === "right") {
var expression = this.leftValue + " " + this.leftUnit + " to " + this.rightUnit;
$convert_right.val(this.eval(expression, this.leftValue.length));
} else {
var expression = this.rightValue + " " + this.rightUnit + " to " + this.leftUnit;
$convert_left.val(this.eval(expression, this.rightValue.length));
}
},
// removes all the options
emptySelects: function() {
$select_left.empty();
$select_right.empty();
},
updateUnitSelectors: function( key ) {
// resets the selects state
this.emptySelects();
// sort the keys alphabetically
Units[key].units.sort(function(a, b) {
var softA = a.name.toUpperCase();
var softB = b.name.toUpperCase();
return (softA < softB) ? -1 : (softA > softB) ? 1 : 0;
});
// adds the new conversion units to the selects
for(var i = 0 ; i < Units[key].units.length ; i++) {
$selects.append(
''
);
}
// set defaults. these should match Units[key].units[i].symbol
$select_left.val(Units[key].defaults[0]);
$select_right.val(Units[key].defaults[1]);
},
// updates the list of bases to choose from. Should only be called once (on startup)
updateBaseUnitSelector: function( startBase ) {
// adds the different unit types to the selector
var unitKeys = Object.keys(Units);
$.each(unitKeys.sort(), function(_key, value) {
$unitSelector.append(
''
);
});
}
} // Converter
/**
* Units
*
* The bases and their units that we provide for the user
*/
var Units = {
angle: {
name: "Angle",
units: [
{ symbol: 'rad', name: 'Radians' },
{ symbol: 'deg', name: 'Degrees' },
{ symbol: 'grad', name: 'Gradians' },
{ symbol: 'cycle', name: 'Cycles' },
{ symbol: 'arcsec', name: 'Arcsecond' },
{ symbol: 'arcmin', name: 'Arcminute' },
{ symbol: 'millirad', name: 'Milliradian' },
{ symbol: 'microrad', name: 'Microradian' },
{ symbol: 'milliarcsec', name: 'Milliarcsecond' },
{ symbol: 'microarcsec', name: 'Microarcsecond' },
{ symbol: 'rev', name: 'Revolution' }
],
defaults: ['deg', 'rad']
},
area: {
name: "Area",
units: [
{ symbol: 'm2', name: 'Square Meter' },
{ symbol: 'sqin', name: 'Square Inch' },
{ symbol: 'sqft', name: 'Square Feet' },
{ symbol: 'sqyd', name: 'Square Yard' },
{ symbol: 'sqmi', name: 'Square Mile' },
{ symbol: 'acre', name: 'Acre' },
{ symbol: 'hectare', name: 'Hectare' },
{ symbol: 'barn', name: 'Barn' },
{ symbol: 'rood', name: 'Rood' },
{ symbol: 'squarerod', name: 'Square Rod' },
{ symbol: 'are', name: 'Are' },
{ symbol: 'sqdecimeter', name: 'Square Decimeter' },
{ symbol: 'sqcentimeter', name: 'Square Centimeter' },
{ symbol: 'sqmillimeter', name: 'Square Millimeter' },
],
defaults: ['m2', 'sqin']
},
data_transfer: {
name: "Data Transfer Rate",
units: [
{ symbol: 'bitps', name: 'Bits per second'},
{ symbol: 'kbitps', name: 'Kilobit per second'},
{ symbol: 'mbitps', name: 'Megabit per second'},
{ symbol: 'gbitps', name: 'Gigabit per second'},
{ symbol: 'tbitps', name: 'Terabit per second'},
{ symbol: 'kilobyteps', name: 'Kilobyte per second'},
{ symbol: 'megabyteps', name: 'Megabyte per second'},
{ symbol: 'gigabyteps', name: 'Gigabyte per second'},
{ symbol: 'terabyteps', name: 'Terabyte per second'},
{ symbol: 'kibps', name: 'Kibibit per second'},
{ symbol: 'mibps', name: 'Mebibit per second'},
{ symbol: 'gibps', name: 'Gibibit per second'},
{ symbol: 'tibps', name: 'Tebibit per second'},
],
defaults: ['bitps', 'kbitps']
},
digital: {
name: "Digital Storage",
units: [
{ symbol: 'b', name: 'Bit' },
{ symbol: 'B', name: 'Byte' },
{ symbol: 'kbit', name: 'Kilobit' },
{ symbol: 'mbit', name: 'Megabit' },
{ symbol: 'gbit', name: 'Gigabit' },
{ symbol: 'tbit', name: 'Terabit' },
{ symbol: 'KB', name: 'Kilobyte' },
{ symbol: 'MB', name: 'Megabyte' },
{ symbol: 'GB', name: 'Gigabyte' },
{ symbol: 'TB', name: 'Terabyte' },
{ symbol: 'PB', name: 'Petabyte' },
{ symbol: 'kibibit', name: 'Kibibit' },
{ symbol: 'mebibit', name: 'Mebibit' },
{ symbol: 'gibibit', name: 'Gibibit' },
{ symbol: 'tebibit', name: 'Tebibit' },
{ symbol: 'pebibit', name: 'Pebibit' },
{ symbol: 'kibibyte', name: 'Kibibyte' },
{ symbol: 'mebibyte', name: 'Mebibyte' },
{ symbol: 'gibibyte', name: 'Gibibyte' },
{ symbol: 'tebibyte', name: 'Tebibyte' },
{ symbol: 'pebibyte', name: 'Pebibyte' },
],
defaults: ['b', 'B']
},
duration: {
name: "Duration",
units: [
{ symbol: 'nanosecond', name: 'Nanoseconds' },
{ symbol: 'microsecond', name: 'Microseconds' },
{ symbol: 'millisecond', name: 'Milliseconds' },
{ symbol: 'second', name: 'Seconds' },
{ symbol: 'minute', name: 'Minutes' },
{ symbol: 'hour', name: 'Hours' },
{ symbol: 'day', name: 'Days' },
{ symbol: 'week', name: 'Weeks' },
{ symbol: 'month', name: 'Months' },
{ symbol: 'year', name: 'Years' },
{ symbol: 'decade', name: 'Decade' },
{ symbol: 'century', name: 'Century' },
{ symbol: 'millennium', name: 'Millennium' },
{ symbol: 'femtosecond', name: 'Femtosecond'},
{ symbol: 'picosecond', name: 'Picosecond'},
{ symbol: 'fortnight', name: 'Fortnight'},
{ symbol: 'siderealyear', name: 'Sidereal Year'},
],
defaults: ['minute', 'second']
},
energy: {
name: "Energy",
units: [
{ symbol: 'joule', name: 'Joule' },
{ symbol: 'kilojoule', name: 'Kilojoule' },
{ symbol: 'gramcalorie', name: 'Gramcalorie' },
{ symbol: 'kilocalorie', name: 'Kilocalorie' },
{ symbol: 'Wh', name: 'Watt Hour' },
{ symbol: 'ergfixed', name: 'Erg' },
{ symbol: 'BTU', name: 'BTU' },
{ symbol: 'electronvolt', name: 'Electronvolt' },
{ symbol: 'footpound', name: 'Foot Pound'},
{ symbol: 'decielectronvolt', name: 'Decielectron volt'},
{ symbol: 'centielectronvolt', name: 'Centielectron volt'},
{ symbol: 'millielectronvolt', name: 'Millielectron volt'},
{ symbol: 'microelectronvolt', name: 'Microelectron volt'},
{ symbol: 'nanoelectronvolt', name: 'Nanoelectron volt'},
{ symbol: 'picoelectronvolt', name: 'Picoelectron volt'},
{ symbol: 'femtoelectronvolt', name: 'Femtoelectron volt'},
{ symbol: 'attoelectronvolt', name: 'Attoelectron volt'},
{ symbol: 'zeptoelectronvolt', name: 'Zeptoelectron volt'},
{ symbol: 'yoctoelectronvolt', name: 'Yoctoelectron volt'},
{ symbol: 'decaelectronvolt', name: 'Decaelectron volt'},
{ symbol: 'hectoelectronvolt', name: 'Hectoelectron volt'},
{ symbol: 'kiloelectronvolt', name: 'Kiloelectron volt'},
{ symbol: 'megaelectronvolt', name: 'Megaelectron volt'},
{ symbol: 'gigaelectronvolt', name: 'Gigaelectron volt'},
{ symbol: 'teraelectronvolt', name: 'Teraelectron volt'},
{ symbol: 'petaelectronvolt', name: 'Petaelectron volt'},
{ symbol: 'exaelectronvolt', name: 'Exaelectron volt'},
{ symbol: 'zettaelectronvolt', name: 'Zettaelectron volt'},
{ symbol: 'yottaelectronvolt', name: 'Yottaelectron volt'},
],
defaults: ['joule', 'Wh']
},
force: {
name: "Force",
units: [
{ symbol: 'newton', name: 'Newton' },
{ symbol: 'dyne', name: 'Dyne' },
{ symbol: 'poundforce', name: 'Pound Force' },
{ symbol: 'kip', name: 'Kip' },
{ symbol: 'kilonewton', name: 'Kilo Newton' },
{ symbol: 'gramforce', name: 'Gram Force' },
{ symbol: 'ounceforce', name: 'Ounce Force' },
{ symbol: 'kilogramforce', name: 'Kilogram Force' },
{ symbol: 'metrictonforce', name: 'Ton Force Metric' },
],
defaults: ['newton', 'dyne']
},
frequency: {
name: "Frequency",
units: [
{ symbol: 'microhertz', name: 'Microhertz' },
{ symbol: 'millihertz', name: 'Millihertz' },
{ symbol: 'hertz', name: 'Hertz' },
{ symbol: 'kilohertz', name: 'Kilohertz' },
{ symbol: 'megahertz', name: 'Megahertz' },
{ symbol: 'gigahertz', name: 'Gigahertz' },
{ symbol: 'terahertz', name: 'Terahertz' },
{ symbol: 'petahertz', name: 'Petahertz' },
{ symbol: 'exahertz', name: 'Exahertz' },
],
defaults: ['hertz', 'megahertz']
},
length: {
name: "Length",
units: [
{ symbol: 'decameter', name: 'Decameter' },
{ symbol: 'millimeter', name: 'Millimeter' },
{ symbol: 'decimeter', name: 'Decimeter' },
{ symbol: 'micrometer', name: 'Micrometer' },
{ symbol: 'nanometer', name: 'Nanometer' },
{ symbol: 'picometer', name: 'Picometer' },
{ symbol: 'kilometer', name: 'Kilometer' },
{ symbol: 'meter', name: 'Meter' },
{ symbol: 'cm', name: 'Centimeter' },
{ symbol: 'hectometer', name: 'Hectometer' },
{ symbol: 'chains', name: 'Chains' },
{ symbol: 'inch', name: 'Inch' },
{ symbol: 'foot', name: 'Feet' },
{ symbol: 'yard', name: 'Yard' },
{ symbol: 'mile', name: 'Mile' },
{ symbol: 'nauticalmile', name: 'Nautical mile'},
{ symbol: 'link', name: 'Link' },
{ symbol: 'rod', name: 'Rod' },
{ symbol: 'astronomicalunit', name: 'Astronomical unit'},
{ symbol: 'lightyear', name: 'Light year'},
{ symbol: 'parsec', name: 'Parsec'},
{ symbol: 'angstrom', name: 'Angstrom' },
{ symbol: 'mil', name: 'Mil' },
],
defaults: ['mile', 'kilometer']
},
mass: {
name: "Mass",
units: [
{ symbol: 'microgram', name: 'Microgram' },
{ symbol: 'kilogram', name: 'Kilogram' },
{ symbol: 'milligram', name: 'Milligram' },
{ symbol: 'gram', name: 'Gram' },
{ symbol: 'decigram', name: 'Decigram' },
{ symbol: 'centigram', name: 'Centigram'},
{ symbol: 'picogram', name: 'Picogram'},
{ symbol: 'femtogram', name: 'Femtogram'},
{ symbol: 'dekagram', name: 'Dekagram'},
{ symbol: 'hectogram', name: 'Hectogram'},
{ symbol: 'megagram', name: 'Megagram'},
{ symbol: 'ton', name: 'Ton' },
{ symbol: 'metricton', name: 'Metric Ton'},
{ symbol: 'longton', name: 'Long Ton'},
{ symbol: 'shortton', name: 'Short Ton'},
{ symbol: 'grain', name: 'Grain' },
{ symbol: 'dram', name: 'Dram' },
{ symbol: 'ounce', name: 'Ounce' },
{ symbol: 'poundmass', name: 'Pound' },
{ symbol: 'hundredweight', name: 'Hundredweight' },
{ symbol: 'stick', name: 'Stick' },
{ symbol: 'stone', name: 'Stone' },
{ symbol: 'metricquintal', name: 'Metric Quintal'},
{ symbol: 'usquintal', name: 'US Quintal'},
{ symbol: 'frenchquintal', name: 'French Quintal'},
{ symbol: 'troyounce', name: 'Troy Ounce'},
{ symbol: 'slug', name: 'Slug'},
{ symbol: 'tola', name: 'Tola'},
{ symbol: 'carat', name: 'Carat'},
{ symbol: 'atomicmassunit', name: 'Atomic Mass Unit'},
],
defaults: ['kilogram', 'gram']
},
power: {
name: "Power",
units: [
{ symbol: 'watt', name: 'Watt'},
{ symbol: 'hp', name: 'HP' },
{ symbol: 'kilowatt', name: 'Kilowatt' },
{ symbol: 'megawatt', name: 'Megawatt' },
{ symbol: 'gigawatt', name: 'Gigawatt' },
{ symbol: 'terawatt', name: 'Terawatt' },
{ symbol: 'petawatt', name: 'Petawatt' },
{ symbol: 'exawatt', name: 'Exawatt' },
],
defaults: ['watt', 'hp']
},
pressure: {
name: "Pressure",
units: [
{ symbol: 'Pa', name: 'Pascal' },
{ symbol: 'psi', name: 'PSI' },
{ symbol: 'atm', name: 'Atmospheres' },
{ symbol: 'torr', name: 'Torr' },
{ symbol: 'mmHg', name: 'mmHg' },
{ symbol: 'mmH2O', name: 'mmH2O' },
{ symbol: 'cmH2O', name: 'cmH2O' },
{ symbol: 'bar', name: 'Bars' },
{ symbol: 'barye', name: 'Barye' },
{ symbol: 'mPa', name: 'Millipascal' },
{ symbol: 'hPa', name: 'Hectopascal' },
{ symbol: 'kPa', name: 'Kilopascal' },
{ symbol: 'MPa', name: 'Megapascal' },
{ symbol: 'Satm', name: 'Standard Atmosphere' },
{ symbol: 'at', name: 'Technical Atmosphere' },
{ symbol: 'mbar', name: 'Millibar' },
{ symbol: 'cbar', name: 'Centibar' },
{ symbol: 'dbar', name: 'Decibar' },
{ symbol: 'kbar', name: 'Kilobar' },
{ symbol: 'Mbar', name: 'Megabar' },
{ symbol: 'Gbar', name: 'Gigabar' },
{ symbol: 'GPa', name: 'Gigapascal' },
],
defaults: ['Pa', 'psi']
},
speed: {
name: "Speed",
units: [
{ symbol: 'mi/h', name: 'Miles per hour' },
{ symbol: 'ft/s', name: 'Feet per second' },
{ symbol: 'm/s', name: 'Metres per second' },
{ symbol: 'km/h', name: 'Kilometres per hour'},
{ symbol: 'knot', name: 'Knot'},
],
defaults: ['mi/h', 'km/h']
},
temperature: {
name: "Temperature",
units: [
{ symbol: 'kelvin', name: 'Kelvin' },
{ symbol: 'celsius', name: 'Celsius' },
{ symbol: 'fahrenheit', name: 'Fahrenheit' },
{ symbol: 'rankine', name: 'Rankine' },
],
defaults: ['celsius', 'fahrenheit']
},
volume: {
name: "Volume",
units: [
{ symbol: 'litre', name: 'Litre' },
{ symbol: 'millilitre', name: 'Millilitre' },
{ symbol: 'hectolitre', name: 'Hectolitre' },
{ symbol: 'decalitre', name: 'Decalitre' },
{ symbol: 'decilitre', name: 'Decilitre' },
{ symbol: 'centilitre', name: 'Centilitre' },
{ symbol: 'cc', name: 'Cubic Centimeter' },
{ symbol: 'cuin', name: 'Cubic Inch' },
{ symbol: 'cuft', name: 'Cubic Foot' },
{ symbol: 'impcup', name: 'Cup (Imperial)' },
{ symbol: 'uscup', name: 'Cup (US Legal)' },
{ symbol: 'cuyd', name: 'Cubic Yard' },
{ symbol: 'pints', name: 'Pint (US)' },
{ symbol: 'imptsp', name: 'Teaspoon (Imperial)' },
{ symbol: 'ustsp', name: 'Teaspoon (US)' },
{ symbol: 'imptbsp', name: 'Tablespoon (Imperial)' },
{ symbol: 'ustbsp', name: 'Tablespoon (US)' },
{ symbol: 'minim', name: 'Minim' },
{ symbol: 'fluiddram', name: 'Fluid Dram' },
{ symbol: 'impfluidounce', name: 'Fluid Ounce (Imperial)' },
{ symbol: 'usfluidounce', name: 'Fluid Ounce (US)' },
{ symbol: 'gill', name: 'Gill' },
{ symbol: 'impquart', name: 'Quart (Imperial)'},
{ symbol: 'usquart', name: 'Quart (US)'},
{ symbol: 'usgallon', name: 'Gallon (US)'},
{ symbol: 'impgallon', name: 'Gallon (Imperial)'},
{ symbol: 'beerbarrel', name: 'Beerbarrel'},
{ symbol: 'oilbarrel', name: 'Oilbarrel'},
{ symbol: 'hogshead', name: 'Hogshead'},
{ symbol: 'drop', name: 'Drop'},
],
defaults: ['litre', 'millilitre']
},
} // Units
DDH.conversions.build = function(ops) {
// Defaults to length if no base is supported
var startBase = ops.data.physical_quantity || 'length';
var rawInput = ops.data.raw_input || '1';
var unitsSpecified = false;
// default units
var leftUnit = ops.data.left_unit || Units[startBase].defaults[0];
var rightUnit = ops.data.right_unit || Units[startBase].defaults[1];
// swaps the default unit if they are the same.
// This conditional fires when a query such as 1 gram is entered
if(rightUnit === leftUnit) {
rightUnit = Units[startBase].defaults[0];
}
return {
// anytime this is triggered, we default to a high signal
signal: "high",
onShow: function() {
DDG.require('math.js', function() {
// checks to see if custom units need set up and selectors cached
if(!localDOMInitialized) {
setUpLocalDOM();
Converter.setUpCustomUnits();
}
if(!initialized) {
Converter.updateUnitSelectors(startBase);
Converter.updateBaseUnitSelector(startBase);
// if no numbers provided, fall back on 1
if(!unitsSpecified) {
$convert_left.val(rawInput);
$select_left.val(leftUnit);
$select_right.val(rightUnit);
Converter.convert();
}
initialized = true;
}
$convert_left.keyup(function( _e ) {
if(this.value === "") {
$convert_right.val("");
}
try {
if(this.value !== "" && $.isNumeric(eval(this.value))) { Converter.convert() }
} catch(e) {}
});
$convert_right.keyup(function( _e ) {
if(this.value === "") {
$convert_left.val("");
}
try {
if(this.value !== "" && $.isNumeric(eval(this.value))) { Converter.convert("left") }
} catch(e) {}
});
$convert_left.click(function() {
this.select()
});
$convert_right.click(function() {
this.select()
});
$select_right.change(function() {
Converter.convert();
});
$select_left.change(function() {
Converter.convert();
});
// if the user changes the unit base
$unitSelector.change(function() {
Converter.updateUnitSelectors(this.value);
$convert_left.val("1");
Converter.convert();
});
});
}// on show
}; // return
}; // DDH.conversions.build
// checks we are not in the browser and exposes Converter for unit testing
if (typeof window === 'undefined') {
module.exports = Converter;
}
})(DDH);