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%.(BC /nNxݫ,Y|FB[| Iw@7W1;\oE5.y 9f9 nMm9] QWG5 k槦ߒMeKP/k|| r=nU#ڴZO^s_擽j ,xf IENDB`q ] Q , W /* Changes a number into a string with a specified number of significant figures.
* @param number - float - the number to change precision on.
* @param sigFigs - int - the number of significant figures to change the number to.
* @return - string - the number in the specified number of significant figures.
*/
function roundToSigFig(number, sigFigs)
{ var numberString = number.toString();
var numberLength = numberString.length;
var returnString = "";
if(sigFigs <= 0)
{ return "0";
}
if(numberString.indexOf('e') != -1)
{ numberLength -= numberLength - numberString.indexOf('e');
}
else if(numberString.indexOf('-') != -1)
{ numberLength -= 1;
}
if(numberString.indexOf('.') != -1)
{ numberLength -= 1;
}
if(numberLength <= sigFigs)
{ returnString = numberString;
}
else if(numberString.indexOf('.') == -1) // integer
{ var newNumber = number / Math.pow(10, (numberLength - sigFigs));
newNumber = Math.round(newNumber);
newNumber = newNumber * Math.pow(10, (numberLength - sigFigs));
returnString = String(newNumber);
}
else if(numberString.indexOf('e') == -1) // floating point
{ var offset = 0;
if(numberString.charAt(0) == '0') // e.g. 0.00054654
{ while(numberString.charAt(2 + offset) == '0')
{ offset++;
}
offset += sigFigs;
}
else // e.g. 515.351549
{ offset = sigFigs - numberString.indexOf('.');
}
var newNumber = number * Math.pow(10, (offset));
newNumber = Math.round(newNumber);
newNumber = newNumber / Math.pow(10, (offset));
returnString = String(newNumber);
}
else // floating point with exponant
{ returnString = roundToSigFig(parseFloat(numberString.substring(0, numberString.indexOf('e'))), sigFigs);
returnString += numberString.substring(numberString.indexOf('e'));
}
return returnString;
}
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/* Class
* used in the scale arrays.
*/
function ScaleObject(idNum, idString, conversionRate)
{ this.idNum = idNum;
this.idString = idString;
this.conversionRate = conversionRate;
return;
}
/* Class
* used in the measurement array.
*/
function Measurement(idString, scaleType1, scaleType2, scaleType3, widgetSize, defaultScales)
{ this.idString = idString;
this.scaleType = scaleType1;
this.scaleType2 = scaleType2;
this.scaleType3 = scaleType3;
this.widgetSize = widgetSize;
this.defaultScales = defaultScales;
return;
}
/* Class
* used to make an enumerated type for scales.
*/
function Scale()
{ // Class for creating psudo-enum.
}
Scale.NONE = -1;
Scale.TEMPERATURE = 0;
Scale.LENGTH = 1;
Scale.AREA = 2;
Scale.VOLUME = 3;
Scale.MASS = 4;
Scale.TIME = 5;
// SPEED = 6;
// ACCELERATION = 7;
// FLOW RATE = 8;
Scale.FORCE = 9;
Scale.ENERGY = 10;
Scale.PRESSURE = 11;
Scale.POWER = 12;
Scale.ELECTRICCHARGE = 13;
var measurements = new Array(14);
measurements[0] = new Measurement("Temperature", Scale.TEMPERATURE, Scale.NONE, Scale.NONE, 1, new Array(0, 0) );
measurements[1] = new Measurement("Length", Scale.LENGTH, Scale.NONE, Scale.NONE, 1, new Array(16, 16) );
measurements[2] = new Measurement("Area", Scale.AREA, Scale.NONE, Scale.NONE, 1, new Array(8, 8) );
measurements[3] = new Measurement("Volume", Scale.VOLUME, Scale.NONE, Scale.NONE, 1, new Array(1, 1) );
measurements[4] = new Measurement("Mass", Scale.MASS, Scale.NONE, Scale.NONE, 1, new Array(15, 15) );
measurements[5] = new Measurement("Time", Scale.TIME, Scale.NONE, Scale.NONE, 1, new Array(1, 1) );
measurements[6] = new Measurement("Speed", Scale.LENGTH, Scale.TIME, Scale.NONE, 2, new Array(16, 16, 1, 1) );
measurements[7] = new Measurement("Acceleration", Scale.LENGTH, Scale.TIME, Scale.TIME, 3, new Array(16, 16, 1, 1, 1, 1) );
measurements[8] = new Measurement("Flow Rate", Scale.VOLUME, Scale.TIME, Scale.NONE, 2, new Array(1, 1, 1, 1) );
measurements[9] = new Measurement("Force", Scale.FORCE, Scale.NONE, Scale.NONE, 1, new Array(6, 6) );
measurements[10] = new Measurement("Energy", Scale.ENERGY, Scale.NONE, Scale.NONE, 1, new Array(5, 5) );
measurements[11] = new Measurement("Pressure", Scale.PRESSURE, Scale.NONE, Scale.NONE, 1, new Array(7, 7) );
measurements[12] = new Measurement("Power", Scale.POWER, Scale.NONE, Scale.NONE, 1, new Array(0, 0) );
measurements[13] = new Measurement("Electric Charge", Scale.ELECTRICCHARGE, Scale.NONE, Scale.NONE, 1, new Array(0, 0) );
var temperature = new Array(
new ScaleObject(0, "Celsius", 1),
new ScaleObject(1, "Fahrenheit", 1),
new ScaleObject(2, "Kelvin", 1),
new ScaleObject(3, "Rankine", 1),
new ScaleObject(4, "Delisle", 1),
new ScaleObject(5, "Newton", 1),
new ScaleObject(6, "Réaumur", 1),
new ScaleObject(7, "Rømer", 1)
);
var length = new Array(
new ScaleObject(0, "inches", 1),
new ScaleObject(1, "palms", 3),
new ScaleObject(2, "hands", 4),
new ScaleObject(3, "feet", 12),
new ScaleObject(4, "feet [U.S. Survey]", 12.000024000049219),
new ScaleObject(5, "yards", 36),
new ScaleObject(6, "fathoms", 72),
new ScaleObject(7, "rods", 198),
new ScaleObject(8, "chains", 792),
new ScaleObject(9, "furlongs", 7920),
new ScaleObject(10, "miles", 63360),
new ScaleObject(11, "miles (nautical)", 72913.38582677166),
new ScaleObject(12, "leagues", 190080),
new ScaleObject(13, "leagues (nautical)", 218740.1574803152),
new ScaleObject(14, "millimetres", 0.03937007874015748),
new ScaleObject(15, "centimetres", 0.3937007874015748),
new ScaleObject(16, "metres", 39.37007874015748),
new ScaleObject(17, "kilometres", 39370.07874015748),
new ScaleObject(18, "astronomical unit", 5889679948464.4567),
new ScaleObject(19, "light-year", 3.724697036449134e17),
new ScaleObject(20, "parsec", 1.214833693425196e18)
);
var area = new Array(
new ScaleObject(0, "square inches", 1),
new ScaleObject(1, "square feet", 144),
new ScaleObject(2, "square yards", 1296),
new ScaleObject(3, "square rod", 39204),
new ScaleObject(4, "acres", 6272640),
new ScaleObject(5, "square miles", 4014489600),
new ScaleObject(6, "square miles [U.S. Survey]", 4014505657.9918327),
new ScaleObject(7, "square centimetres", 0.15500031),
new ScaleObject(8, "square metres", 1550.0031),
new ScaleObject(9, "ares", 155000.31),
new ScaleObject(10, "hectares", 15500031),
new ScaleObject(11, "square kilometres", 1550003100),
new ScaleObject(12, "square megametre", 1550003100000000)
);
var volume = new Array(
new ScaleObject(0, "millilitres", 1),
new ScaleObject(1, "litres", 1000),
new ScaleObject(2, "teaspoons [metric]", 5),
new ScaleObject(3, "teaspoons [US]", 4.928921595),
new ScaleObject(4, "teaspoons [UK]", 5.91938802083),
new ScaleObject(5, "teaspoons [Canadian]", 4.735510416667),
new ScaleObject(6, "tablespoons [metric]", 15),
new ScaleObject(7, "tablespoons [US]", 14.7867647825),
new ScaleObject(8, "tablespoons [UK]", 17.7581640625),
new ScaleObject(9, "tablespoons [Canadian]", 14.20653125),
new ScaleObject(10, "fluid ounces [US]", 29.5735295625),
new ScaleObject(11, "fluid ounces [UK]", 28.4130625),
new ScaleObject(12, "cups [metric]", 250),
new ScaleObject(13, "cups [US]", 236.5882365),
new ScaleObject(14, "cups [Canadian]", 227.3045),
new ScaleObject(15, "pints [UK]", 568.26125),
new ScaleObject(16, "pints (dry) [US]", 550.6104713575),
new ScaleObject(17, "pints (fluid) [US]", 473.176473),
new ScaleObject(18, "quarts [UK]", 1136.5225),
new ScaleObject(19, "quarts (dry) [US]", 1101.220942715),
new ScaleObject(20, "quarts (fluid) [US]", 946.352946),
new ScaleObject(21, "gallons [UK]", 4546.09),
new ScaleObject(22, "gallons (dry) [US]", 4404.88377086),
new ScaleObject(23, "gallons (fluid) [US]", 3785.411784),
new ScaleObject(24, "bushels (dry level) [US]", 35239.07016688),
new ScaleObject(25, "bushels (dry heaped) [US]", 44048.8377086),
new ScaleObject(26, "bushels [UK]", 36368.72),
new ScaleObject(27, "barrels (dry) [US]", 115628.198985075),
new ScaleObject(28, "barrels (fluid) [US]", 119240.471196),
new ScaleObject(29, "barrels [UK]", 163659.24),
new ScaleObject(30, "barrels (petroleum)", 158987.294928),
new ScaleObject(31, "hogsheads [US]", 238480.942392),
new ScaleObject(32, "hogsheads [UK]", 327318.48),
new ScaleObject(33, "cubic millimetres", 0.0001),
new ScaleObject(34, "cubic centimetres", 1),
new ScaleObject(35, "cubic metre", 1000000),
new ScaleObject(36, "cubic inches", 16.387064),
new ScaleObject(37, "cubic feet", 28316.846592),
new ScaleObject(38, "cubic feet", 764554.857984)
);
var mass = new Array(
new ScaleObject(0, "grains", 1),
new ScaleObject(1, "carat", 3.1666666666666667),
new ScaleObject(2, "carat [metric]", 3.08647167058828),
new ScaleObject(3, "pennyweight", 24),
new ScaleObject(4, "ounces", 437.5),
new ScaleObject(5, "ounces [Troy]", 480),
new ScaleObject(6, "pounds", 7000),
new ScaleObject(7, "pounds [Troy]", 5760),
new ScaleObject(8, "stones", 98000),
new ScaleObject(9, "quarters", 196000),
new ScaleObject(10, "hundred weight", 784000),
new ScaleObject(11, "ton [US]", 14000000),
new ScaleObject(12, "ton [UK]", 15680000),
new ScaleObject(13, "milligrams", 0.0154323583529414),
new ScaleObject(14, "grams", 15.4323583529414),
new ScaleObject(15, "kilograms", 15432.3583529414),
new ScaleObject(16, "tonnes", 15432358.3529414)
);
var force = new Array(
new ScaleObject(0, "poundal", 0.138254954376),
new ScaleObject(1, "ounce-force", 0.2780138509537812),
new ScaleObject(2, "pound-force", 4.4482216152605),
new ScaleObject(3, "ton-force", 8.896443230521),
new ScaleObject(4, "kilogram-force", 9.80665),
new ScaleObject(5, "dyne", 0.000001),
new ScaleObject(6, "newton", 1),
new ScaleObject(7, "sthene", 1000)
);
var pressure = new Array(
new ScaleObject(0, "poundal per square foot", 1.488164),
new ScaleObject(1, "pound per square foot", 47.880259),
new ScaleObject(2, "pound per square inch", 6894.757),
new ScaleObject(3, "ton [US] per square foot", 95760.518),
new ScaleObject(4, "kg-force per square millimetre", 9806650),
new ScaleObject(5, "torrs", 133.3223684),
new ScaleObject(6, "barye", 0.1),
new ScaleObject(7, "pascals", 1),
new ScaleObject(8, "pièze", 1000),
new ScaleObject(9, "bars", 100000),
new ScaleObject(10, "atmospheres (standard)", 101325),
new ScaleObject(11, "atmospheres (technical)", 98066.5)
);
var energy = new Array(
new ScaleObject(0, "foot-poundal", 0.0421401100938048),
new ScaleObject(1, "inch-pound force", 0.1129848290276167),
new ScaleObject(2, "foot-pound force", 1.3558179483314004),
new ScaleObject(3, "electron-volts", 1.6021765314e-19),
new ScaleObject(4, "ergs", 0.0000001),
new ScaleObject(5, "joules", 1),
new ScaleObject(6, "calories", 4.1868),
new ScaleObject(7, "kilocalories (food)", 4186.8),
new ScaleObject(8, "BTUs (British Thermal Unit)", 1055.05585262),
new ScaleObject(9, "watt-hours", 3599.9712),
new ScaleObject(10, "kilowatt-hours", 3599971.2),
new ScaleObject(11, "horsepower-hours", 2684500),
new ScaleObject(12, "tons of TNT", 4184000000),
new ScaleObject(13, "barrels of oil equivalent", 6120000000),
new ScaleObject(14, "tons of coal equivalent", 29307600000),
new ScaleObject(15, "tons of oil equivalent", 41868000000)
);
var power = new Array(
new ScaleObject(0, "watts", 1),
new ScaleObject(1, "kilowatts", 1000),
new ScaleObject(2, "horsepower [mechanical]", 745.69987158227022),
new ScaleObject(3, "horsepower [metric]", 735.49875),
new ScaleObject(4, "foot-pound-force per hour", 0.0003766161),
new ScaleObject(5, "foot-pound-force per minute", 0.02259696580552334),
new ScaleObject(6, "foot-pound-force per second", 1.3558179483314004),
new ScaleObject(7, "BTU per hour", 0.293071),
new ScaleObject(8, "kilocalories per hour", 69.78)
);
var time = new Array(
new ScaleObject(0, "jiffies", 0.01),
new ScaleObject(1, "seconds", 1),
new ScaleObject(2, "minutes", 60),
new ScaleObject(3, "moments", 90),
new ScaleObject(4, "hours", 3600),
new ScaleObject(5, "days", 86400),
new ScaleObject(6, "weeks", 604800),
new ScaleObject(7, "years [calendar]", 31536000),
new ScaleObject(8, "years [sidereal]", 31558149.7676064)
);
var electricCharge = new Array(
new ScaleObject(0, "coulomb", 1),
new ScaleObject(1, "atomic unit of charge", 1.602176462e-19),
new ScaleObject(2, "franklin", 3.335641e-10),
new ScaleObject(3, "electromagnetic unit", 10),
new ScaleObject(4, "faraday", 96485.3383)
);
/*
* returns a reference to a scale array.
* the array returned corresponds to the scale type given in the arguement.
*/
function getScaleArray(scaleID)
{ var array = null;
switch(scaleID)
{ case Scale.NONE :
{ array = null;
} break;
case Scale.TEMPERATURE :
{ array = temperature;
} break;
case Scale.LENGTH :
{ array = length;
} break;
case Scale.AREA :
{ array = area;
} break;
case Scale.VOLUME :
{ array = volume;
} break;
case Scale.MASS :
{ array = mass;
} break;
case Scale.TIME :
{ array = time;
} break;
case Scale.FORCE :
{ array = force;
} break;
case Scale.ENERGY :
{ array = energy;
} break;
case Scale.PRESSURE :
{ array = pressure;
} break;
case Scale.POWER :
{ array = power;
} break;
case Scale.ELECTRICCHARGE :
{ array = electricCharge;
} break;
}
return array;
}
/*
* saves the last used scales for each measurement in the persistant memory Opera allocates for each widget.
*/
function writePreferences(preferencesFile)
{ setDefaultScales();
var defaultScalesStrings = new Array(measurements.length);
for(i=0; i= 0; i--)
{ var textObj = menuFrame.subviews[i];
textObj.removeFromSuperview();
textObj = null;
}
}
return;
}
/*
* sets the defaults for each scale of the current measurement to the scale selected in each dropdown menu.
*/
function setDefaultScales()
{ if(selectedMeasurement != -1)
{
switch(measurements[selectedMeasurement].widgetSize)
{ case 3 : measurements[selectedMeasurement].defaultScales[5] = selectedThirdFinalScale;
measurements[selectedMeasurement].defaultScales[4] = selectedThirdInitialScale;
case 2 : measurements[selectedMeasurement].defaultScales[3] = selectedSecondFinalScale;
measurements[selectedMeasurement].defaultScales[2] = selectedSecondInitialScale;
case 1 : measurements[selectedMeasurement].defaultScales[1] = selectedFinalScale;
measurements[selectedMeasurement].defaultScales[0] = selectedInitialScale;
}
}
return;
}
/*
* resizes the widget to fit on the required number of scale combo boxes.
*/
function changeWidgetSize(sizeNumber)
{ if(sizeNumber == 1 && backgroundRight.hOffset != 69) // 2 & 3 to 1
{ if(backgroundRight.hOffset == 300)
{ selectThirdInitialScaleImage.removeFromSuperview();
selectThirdInitialScale.removeFromSuperview();
selectThirdFinalScaleImage.removeFromSuperview();
selectThirdFinalScale.removeFromSuperview();
secondInitialPerImage.removeFromSuperview();
secondFinalPerImage.removeFromSuperview();
}
selectSecondInitialScaleImage.removeFromSuperview();
selectSecondInitialScale.removeFromSuperview();
selectSecondFinalScaleImage.removeFromSuperview();
selectSecondFinalScale.removeFromSuperview();
firstInitialPerImage.removeFromSuperview();
firstFinalPerImage.removeFromSuperview();
selectInitialScale.data = " ";
selectFirstInitialScaleImage.removeFromSuperview();
selectFinalScale.data = " ";
selectFirstFinalScaleImage.removeFromSuperview();
mainWindow.root.addSubview(selectInitialScaleImage);
mainWindow.root.addSubview(selectFinalScaleImage);
backgroundRight.moveTo(69, 0, 3);
}
else if(sizeNumber == 2 && backgroundRight.hOffset == 69) // 1 to 2
{ selectInitialScale.data = "";
selectFinalScale.data = "";
selectInitialScaleImage.removeFromSuperview();
selectFinalScaleImage.removeFromSuperview();
backgroundRight.moveTo(156, 0, 3);
mainWindow.root.addSubview(selectFirstInitialScaleImage);
mainWindow.root.addSubview(selectFirstFinalScaleImage);
mainWindow.root.addSubview(firstInitialPerImage);
mainWindow.root.addSubview(firstFinalPerImage);
mainWindow.root.addSubview(selectSecondInitialScaleImage);
mainWindow.root.addSubview(selectSecondInitialScale);
mainWindow.root.addSubview(selectSecondFinalScaleImage);
mainWindow.root.addSubview(selectSecondFinalScale);
}
else if(sizeNumber == 2 && backgroundRight.hOffset == 300) // 3 to 2
{ selectThirdInitialScaleImage.removeFromSuperview();
selectThirdInitialScale.removeFromSuperview();
selectThirdFinalScaleImage.removeFromSuperview();
selectThirdFinalScale.removeFromSuperview();
secondInitialPerImage.removeFromSuperview();
secondFinalPerImage.removeFromSuperview();
backgroundRight.moveTo(156, 0, 3);
}
else if(sizeNumber == 3 && backgroundRight.hOffset == 69) // 1 to 3
{ selectInitialScale.data = "";
selectFinalScale.data = "";
selectInitialScaleImage.removeFromSuperview();
selectFinalScaleImage.removeFromSuperview();
backgroundRight.moveTo(300, 0, 3);
mainWindow.root.addSubview(selectFirstInitialScaleImage);
mainWindow.root.addSubview(selectFirstFinalScaleImage);
mainWindow.root.addSubview(firstInitialPerImage);
mainWindow.root.addSubview(firstFinalPerImage);
mainWindow.root.addSubview(selectSecondInitialScaleImage);
mainWindow.root.addSubview(selectSecondInitialScale);
mainWindow.root.addSubview(selectSecondFinalScaleImage);
mainWindow.root.addSubview(selectSecondFinalScale);
mainWindow.root.addSubview(secondInitialPerImage);
mainWindow.root.addSubview(secondFinalPerImage);
mainWindow.root.addSubview(selectThirdInitialScaleImage);
mainWindow.root.addSubview(selectThirdInitialScale);
mainWindow.root.addSubview(selectThirdFinalScaleImage);
mainWindow.root.addSubview(selectThirdFinalScale);
}
else if(sizeNumber == 3 && backgroundRight.hOffset == 156) // 2 to 3
{ backgroundRight.moveTo(300, 0, 3);
mainWindow.root.addSubview(secondInitialPerImage);
mainWindow.root.addSubview(secondFinalPerImage);
mainWindow.root.addSubview(selectThirdInitialScaleImage);
mainWindow.root.addSubview(selectThirdInitialScale);
mainWindow.root.addSubview(selectThirdFinalScaleImage);
mainWindow.root.addSubview(selectThirdFinalScale);
}
return;
}
0 I@ P H \E : T U ` s ba b d Ie l l
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s I@ P __METADATA__ Unit Converter.kon images/backgroundLeft.png images/backgroundRight.png images/dropdownFirstScale.png images/dropdownMeasurement.png images/dropdownScale.png images/dropdownSecondScale.png images/logo.png images/textareaInput.png images/textareaOutput.png images/textEquals.png images/textPer.png Resources/about.png Resources/icon.png rounding.js script.js