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nutritionLabel-stable-ver-6.0.2.js
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nutritionLabel-stable-ver-6.0.2.js
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/*
******************************************************************************************************************+
* NUTRITIONIX.com |
* |
* This plugin allows you to create a fully customizable nutrition label |
* |
* @authors majin22 (js) and genesis23rd (css and html) |
* @copyright Copyright (c) 2012 Nutritionix. |
* @license This Nutritionix jQuery Nutrition Label is dual licensed under the MIT and GPL licenses. |
* @link http://www.nutritionix.com |
* @github http://github.com/nutritionix/nutrition-label |
* @current version 6.0.3 |
* @stable version 6.0.2 |
* @supported browser Firefox, Chrome, IE8+ |
* |
******************************************************************************************************************+
*/
;(function($){
$.fn.nutritionLabel = function(option, settings){
if (typeof option === 'object'){
settings = option;
init( settings, $(this) );
}else if (typeof option === 'string' && option !== ''){
//destroys the nutrition label's html code
if (option === 'destroy')
new NutritionLabel().destroy( $(this) );
//allows the user to hide the nutrition value
else if (option === 'hide')
new NutritionLabel().hide( $(this) );
//allows the user to show the nutrition value
else if (option === 'show')
new NutritionLabel().show( $(this) );
else{
var values = [];
var elements = this.each(function(){
var data = $(this).data('_nutritionLabel');
if (data){
if ($.fn.nutritionLabel.defaultSettings[option] !== undefined){
if (settings !== undefined){
//set the option and create the nutrition label
data.settings[option] = settings;
init( data.settings, $(this) );
}else
//return the value of a setting - can only be used after the label is created / initiated
values.push(data.settings[option]);
}
}else if ($.fn.nutritionLabel.defaultSettings[option] !== undefined)
//set the option and create the nutrition label
//this is a special case so the single value setting will still work even if the label hasn't been initiated yet
if (settings !== undefined){
$.fn.nutritionLabel.defaultSettings[option] = settings;
init( null, $(this) );
}
});
//return the value of a setting
if (values.length === 1)
return values[0];
//return the setting values or the elements
return values.length > 0 ? values : elements;
}
}else if (typeof option === 'undefined' || option === '')
//if no value / option is supplied, simply create the label using the default values
init( settings, $(this) );
};
$.fn.nutritionLabel.defaultSettings = {
//default fixedWidth of the nutrition label
width : 260,
//to allow custom width - usually needed for mobile sites
allowCustomWidth : false,
widthCustom : 'auto',
//to allow the label to have no border
allowNoBorder : false,
//to enable rounding of the nutritional values based on the FDA rounding rules
//http://goo.gl/RMD2O
allowFDARounding : false,
//when set to true, this will hide the values if they are not applicable
hideNotAppicableValues : false,
//the brand name of the item for this label (eg. just salad)
brandName : 'Brand where this item belongs to',
//to scroll the ingredients if the innerheight is > scrollHeightComparison
scrollLongIngredients : false,
scrollHeightComparison : 100,
//the height in px of the ingredients div
scrollHeightPixel : 95,
//this is to set how many decimal places will be shown on the nutrition values (calories, fat, protein, vitamin a, iron, etc)
decimalPlacesForNutrition : 1,
//this is to set how many decimal places will be shown for the "% daily values*"
decimalPlacesForDailyValues : 0,
//this is to set how many decimal places will be shown for the serving unit quantity textbox
decimalPlacesForQuantityTextbox : 1,
//to scroll the item name if the jQuery.height() is > scrollLongItemNamePixel
scrollLongItemName : true,
scrollLongItemNamePixel : 36,
//show the customizable link at the bottom
showBottomLink : false,
//url for the customizable link at the bottom
urlBottomLink : 'http://www.nutritionix.com',
//link name for the customizable link at the bottom
nameBottomLink : 'Nutritionix',
//this value can be changed and the value of the nutritions will be affected directly
//the computation is "current nutrition value" * "serving unit quantity value" = "final nutrition value"
//this can't be less than zero, all values less than zero is converted to zero
//the textbox to change this value is visible / enabled by default
//if the initial value of the serving size unit quantity is less than or equal to zero, it is converted to 1.0
//when enabled, user can change this value by clicking the arrow or changing the value on the textbox and
//pressing enter. the value on the label will be updated automatically
//different scenarios and the result if this feature is enabled
//NOTE 1: [ ] => means a textbox will be shown
//NOTE 2: on all cases below showServingUnitQuantityTextbox == true AND showServingUnitQuantity == true
//if showServingUnitQuantity == false, the values that should be on the 'serving size div' are empty or null
//CASE 1a: valueServingSizeUnit != '' (AND NOT null) && valueServingUnitQuantity >= 0
//RESULT: textServingSize [valueServingUnitQuantity] valueServingSizeUnit
//NOTE 3: on all cases below showServingUnitQuantityTextbox == true AND showItemName == true
//if showItemName == false, the values that should be on the 'item name div' are empty or null
//CASE 1b: valueServingSizeUnit != '' (AND NOT null) && valueServingUnitQuantity <= 0
//RESULT: [valueServingUnitQuantity default to 1.0] itemName
//CASE 3a: valueServingSizeUnit == '' (OR null) && valueServingUnitQuantity > 0
//RESULT: [valueServingUnitQuantity] itemName
//CASE 3b: valueServingSizeUnit == '' (OR null) && valueServingUnitQuantity <= 0
//RESULT: [valueServingUnitQuantity default to 1.0] itemName
//NOTE 4: to see the different resulting labels, check the html/demo-texbox-case*.html files
valueServingUnitQuantity : 1.0,
valueServingSizeUnit : '',
showServingUnitQuantityTextbox : true,
//the name of the item for this label (eg. cheese burger or mayonnaise)
itemName : 'Item / Ingredient Name',
showServingUnitQuantity : true,
//allow hiding of the textbox arrows
hideTextboxArrows : false,
//these 2 settings are used internally.
//this is just added here instead of a global variable to prevent a bug when there are multiple instances of the plugin like on the demo pages
originalServingUnitQuantity : 0,
//this is used to fix the computation issue on the textbox
nutritionValueMultiplier : 1,
//default calorie intake
calorieIntake : 2000,
//these are the recommended daily intake values
dailyValueTotalFat : 65,
dailyValueSatFat : 20,
dailyValueCholesterol : 300,
dailyValueSodium : 2400,
dailyValueCarb : 300,
dailyValueFiber : 25,
//these values can be change to hide some nutrition values
showCalories : true,
showFatCalories : true,
showTotalFat : true,
showSatFat : true,
showTransFat : true,
showPolyFat : true,
showMonoFat : true,
showCholesterol : true,
showSodium : true,
showTotalCarb : true,
showFibers : true,
showSugars : true,
showProteins : true,
showVitaminA : true,
showVitaminC : true,
showCalcium : true,
showIron : true,
//to show the 'amount per serving' text
showAmountPerServing : true,
//to show the 'servings per container' data and replace the default 'Serving Size' value (without unit and servings per container text and value)
showServingsPerContainer : false,
//to show the item name. there are special cases where the item name is replaced with 'servings per container' value
showItemName : true,
//show the brand where this item belongs to
showBrandName : false,
//to show the ingredients value or not
showIngredients : true,
//to show the calorie diet info at the bottom of the label
showCalorieDiet : false,
//to show the customizable footer which can contain html and js codes
showCustomFooter : false,
//to show the disclaimer text or not
showDisclaimer : false,
//the height in px of the disclaimer div
scrollDisclaimerHeightComparison : 100,
scrollDisclaimer : 95,
valueDisclaimer : 'Please note that these nutrition values are estimated based on our standard serving portions. As food servings may have a slight variance each time you visit, please expect these values to be with in 10% +/- of your actual meal. If you have any questions about our nutrition calculator, please contact Nutritionix.', ingredientLabel : 'INGREDIENTS:',
valueCustomFooter : '',
//the are to set some values as 'not applicable'. this means that the nutrition label will appear but the value will be a 'gray dash'
naCalories : false,
naFatCalories : false,
naTotalFat : false,
naSatFat : false,
naTransFat : false,
naPolyFat : false,
naMonoFat : false,
naCholesterol : false,
naSodium : false,
naTotalCarb : false,
naFibers : false,
naSugars : false,
naProteins : false,
naVitaminA : false,
naVitaminC : false,
naCalcium : false,
naIron : false,
//these are the default values for the nutrition info
valueServingWeightGrams : 0,
valueServingPerContainer : 1,
valueCalories : 0,
valueFatCalories : 0,
valueTotalFat : 0,
valueSatFat : 0,
valueTransFat : 0,
valuePolyFat : 0,
valueMonoFat : 0,
valueCholesterol : 0,
valueSodium : 0,
valueTotalCarb : 0,
valueFibers : 0,
valueSugars : 0,
valueProteins : 0,
valueVitaminA : 0,
valueVitaminC : 0,
valueCalcium : 0,
valueIron : 0,
//customizable units for the values
unitCalories : '',
unitFatCalories : '',
unitTotalFat : 'g',
unitSatFat : 'g',
unitTransFat : 'g',
unitPolyFat : 'g',
unitMonoFat : 'g',
unitCholesterol : 'mg',
unitSodium : 'mg',
unitTotalCarb : 'g',
unitFibers : 'g',
unitSugars : 'g',
unitProteins : 'g',
unitVitaminA : '%',
unitVitaminC : '%',
unitCalcium : '%',
unitIron : '%',
//these are the values for the optional calorie diet
valueCol1CalorieDiet : 2000,
valueCol2CalorieDiet : 2500,
valueCol1DietaryTotalFat : 0,
valueCol2DietaryTotalFat : 0,
valueCol1DietarySatFat : 0,
valueCol2DietarySatFat : 0,
valueCol1DietaryCholesterol : 0,
valueCol2DietaryCholesterol : 0,
valueCol1DietarySodium : 0,
valueCol2DietarySodium : 0,
valueCol1DietaryTotalCarb : 0,
valueCol2DietaryTotalCarb : 0,
valueCol1Dietary : 0,
valueCol2Dietary : 0,
//these text settings is so you can create nutrition labels in different languages or to simply change them to your need
textNutritionFacts : 'Nutrition Facts',
textDailyValues : 'Daily Value',
textServingSize : 'Serving Size',
textServingsPerContainer : 'Servings Per Container',
textAmountPerServing : 'Amount Per Serving',
textCalories : 'Calories',
textFatCalories : 'Calories from Fat',
textTotalFat : 'Total Fat',
textSatFat : 'Saturated Fat',
textTransFat : '<i>Trans</i> Fat',
textPolyFat : 'Polyunsaturated Fat',
textMonoFat : 'Monounsaturated Fat',
textCholesterol : 'Cholesterol',
textSodium : 'Sodium',
textTotalCarb : 'Total Carbohydrates',
textFibers : 'Dietary Fiber',
textSugars : 'Sugars',
textProteins : 'Protein',
textVitaminA : 'Vitamin A',
textVitaminC : 'Vitamin C',
textCalcium : 'Calcium',
textIron : 'Iron',
ingredientList : 'None',
textPercentDailyPart1 : 'Percent Daily Values are based on a',
textPercentDailyPart2 : 'calorie diet'
};
//this will store the unique individual properties for each instance of the plugin
function NutritionLabel(settings, $elem){
this.nutritionLabel = null;
this.settings = settings;
this.$elem = $elem;
return this;
}
function cleanSettings(settings){
var numericIndex = [
'width','scrollHeightComparison','scrollHeightPixel','decimalPlacesForNutrition','decimalPlacesForDailyValues',
'calorieIntake','dailyValueTotalFat','dailyValueSatFat','dailyValueCholesterol','dailyValueSodium','dailyValueCarb',
'dailyValueFiber','valueServingSize','valueServingWeightGrams','valueServingPerContainer','valueCalories',
'valueFatCalories','valueTotalFat','valueSatFat','valueTransFat','valuePolyFat','valueMonoFat','valueCholesterol',
'valueSodium','valueTotalCarb','valueFibers','valueSugars','valueProteins','valueVitaminA','valueVitaminC',
'valueCalcium','valueIron','valueCol1CalorieDiet','valueCol2CalorieDiet','valueCol1DietaryTotalFat',
'valueCol2DietaryTotalFat','valueCol1DietarySatFat','valueCol2DietarySatFat','valueCol1DietaryCholesterol',
'valueCol2DietaryCholesterol','valueCol1DietarySodium','valueCol2DietarySodium','valueCol1DietaryTotalCarb',
'valueCol2DietaryTotalCarb','valueCol1Dietary','valueCol2Dietary', 'valueServingUnitQuantity',
'scrollLongItemNamePixel, decimalPlacesForQuantityTextbox'
];
$.each(settings, function(index, value){
if (jQuery.inArray(index, numericIndex) !== -1){
settings[index] = parseFloat(settings[index]);
if (isNaN(settings[index]) || settings[index] === undefined)
settings[index] = 0;
}
});
if (settings['valueServingUnitQuantity'] < 0)
settings['valueServingUnitQuantity'] = 0;
return settings;
}
function UpdateNutritionValueWithMultiplier(settings){
var nutritionIndex = [
'valueCalories','valueFatCalories','valueTotalFat','valueSatFat','valueTransFat','valuePolyFat','valueMonoFat',
'valueCholesterol','valueSodium','valueTotalCarb','valueFibers','valueSugars','valueProteins','valueVitaminA',
'valueVitaminC','valueCalcium','valueIron'
];
$.each(settings, function(index, value){
if (jQuery.inArray(index, nutritionIndex) !== -1){
settings[index] = parseFloat(settings[index]);
if (isNaN(settings[index]) || settings[index] === undefined)
settings[index] = 0;
settings[index] = parseFloat(settings[index]) * parseFloat(settings['valueServingUnitQuantity']) * parseFloat(settings['nutritionValueMultiplier']);
}
});
return settings;
}
function init(settings, $elem){
//merge the default settins with the user supplied settings
var $settings = $.extend( {}, $.fn.nutritionLabel.defaultSettings, settings || {} );
var $originalCleanSettings = cleanSettings($.extend( {}, $.fn.nutritionLabel.defaultSettings, settings || {} ));
//clean the settings and make sure that all numeric settings are really numeric, if not, force them to be
$settings = cleanSettings($settings);
$originalCleanSettings = cleanSettings($originalCleanSettings);
$settings.nutritionValueMultiplier = $settings.valueServingUnitQuantity <= 0 ? 1 : 1 / $settings.valueServingUnitQuantity;
//update the nutrition values with the multiplier
var $updatedsettings = UpdateNutritionValueWithMultiplier($settings);
$settings.originalServingUnitQuantity = $updatedsettings.valueServingUnitQuantity;
//if the original value is <= 0, set it to 1.0
if ($updatedsettings.valueServingUnitQuantity <= 0){
$originalCleanSettings.valueServingUnitQuantity = 1;
$updatedsettings = UpdateNutritionValueWithMultiplier($originalCleanSettings);
$updatedsettings.valueServingUnitQuantity = 1;
}
//initalize the nutrition label and create / recreate it
var nutritionLabel = new NutritionLabel($updatedsettings, $elem);
$elem.html( nutritionLabel.generate() );
//scroll the ingredients of the innerheight is > $settings.scrollHeightComparison
//and the settings showIngredients and scrollLongIngredients are true
if ($settings.showIngredients && $settings.scrollLongIngredients)
updateScrollingFeature($elem, $settings);
//scroll the disclaimer if the height of the disclaimer div is greater than scrollDisclaimerHeightComparison
if ($settings.showDisclaimer)
updateScrollingFeatureDisclaimer($elem, $settings);
//this code is for pages with multiple nutrition labels generated by the plugin like the demo page
notApplicableHover($elem);
//add a scroll on long item names
if ($settings.scrollLongItemName)
addScrollToItemDiv($elem, $settings);
//if the text box for the unit quantity is shown
if ($settings.showServingUnitQuantityTextbox){
//increase the unit quantity by clicking the up arrow
$('#'+$elem.attr('id')).delegate('.unitQuantityUp', 'click', function(e){
e.preventDefault();
$settingsHolder = $.extend( {}, $.fn.nutritionLabel.defaultSettings, settings || {} );
$settingsHolder.originalServingUnitQuantity = $settings.originalServingUnitQuantity;
$settingsHolder.nutritionValueMultiplier = $settingsHolder.valueServingUnitQuantity <= 0 ? 1 : 1 / $settingsHolder.valueServingUnitQuantity;
changeQuantityByArrow($(this), 1, $settingsHolder, nutritionLabel, $elem);
});
//decrease the unit quantity by clicking the down arrow
$('#'+$elem.attr('id')).delegate('.unitQuantityDown', 'click', function(e){
e.preventDefault();
$settingsHolder = $.extend( {}, $.fn.nutritionLabel.defaultSettings, settings || {} );
$settingsHolder.originalServingUnitQuantity = $settings.originalServingUnitQuantity;
$settingsHolder.nutritionValueMultiplier = $settingsHolder.valueServingUnitQuantity <= 0 ? 1 : 1 / $settingsHolder.valueServingUnitQuantity;
changeQuantityByArrow($(this), -1, $settingsHolder, nutritionLabel, $elem);
});
//the textbox unit quantity value is changed
$('#'+$elem.attr('id')).delegate('.unitQuantityBox', 'change', function(e){
e.preventDefault();
$settingsHolder = $.extend( {}, $.fn.nutritionLabel.defaultSettings, settings || {} );
$settingsHolder.originalServingUnitQuantity = $settings.originalServingUnitQuantity;
$settingsHolder.nutritionValueMultiplier = $settingsHolder.valueServingUnitQuantity <= 0 ? 1 : 1 / $settingsHolder.valueServingUnitQuantity;
changeQuantityTextbox($(this), $settingsHolder, nutritionLabel, $elem);
});
//the textbox unit quantity value is changed
$('#'+$elem.attr('id')).delegate('.unitQuantityBox', 'keydown', function(e){
if (e.keyCode == 13){
e.preventDefault();
$settingsHolder = $.extend( {}, $.fn.nutritionLabel.defaultSettings, settings || {} );
$settingsHolder.originalServingUnitQuantity = $settings.originalServingUnitQuantity;
$settingsHolder.nutritionValueMultiplier = $settingsHolder.valueServingUnitQuantity <= 0 ? 1 : 1 / $settingsHolder.valueServingUnitQuantity;
changeQuantityTextbox($(this), $settingsHolder, nutritionLabel, $elem);
}
});
}
//store the object for later reference
$elem.data('_nutritionLabel', nutritionLabel);
}
function addScrollToItemDiv($elem, $settings){
if ( $('#'+$elem.attr('id')+' .name.inline').val() != undefined ){
if ( $('#'+$elem.attr('id')+' .name.inline').height() > ( parseInt($settings.scrollLongItemNamePixel) + 1 ) )
$('#'+$elem.attr('id')+' .name.inline').css({
'margin-left' : '3.90em',
'height' : parseInt($settings.scrollLongItemNamePixel)+'px',
'overflow-y' : 'auto'
});
}else{
if ( $('#'+$elem.attr('id')+' .name').height() > ( parseInt($settings.scrollLongItemNamePixel) + 1 ) )
$('#'+$elem.attr('id')+' .name').css({
'height' : parseInt($settings.scrollLongItemNamePixel)+'px',
'overflow-y' : 'auto'
});
}
}
function notApplicableHover($elem){
//this code is for pages with multiple nutrition labels generated by the plugin like the demo page
if ($elem.attr('id') !== undefined && $elem.attr('id') !== '')
$('#'+$elem.attr('id')+' .notApplicable').hover(
function(){
$('#'+$elem.attr('id')+' .naTooltip')
.css({
'top' : $(this).position().top+'px',
'left' : $(this).position().left+ 10 +'px'
}).show();
},
function(){
$('#'+$elem.attr('id')+' .naTooltip').hide();
}
);
else
$('#'+$elem.attr('id')+' .notApplicable').hover(
function(){
$('.naTooltip')
.css({
'top' : $(this).position().top+'px',
'left' : $(this).position().left+ 10 +'px'
}).show();
},
function(){
$('.naTooltip').hide();
}
);
}
function updateScrollingFeature($elem, $settings){
if ($elem.attr('id') !== undefined && $elem.attr('id') !== '')
//this code is for pages with multiple nutrition labels generated by the plugin like the demo page
$ingredientListParent = $('#'+$elem.attr('id')+' #ingredientList').parent();
else
$ingredientListParent = $('#ingredientList').parent();
if ($ingredientListParent.innerHeight() > $settings.scrollHeightComparison)
$ingredientListParent.addClass('scroll').css({
'height' : $settings.scrollHeightPixel+'px'
});
}
function updateScrollingFeatureDisclaimer($elem, $settings){
if ($elem.attr('id') !== undefined && $elem.attr('id') !== '')
//this code is for pages with multiple nutrition labels generated by the plugin like the demo page
$disclaimerParent = $('#'+$elem.attr('id')+' #calcDisclaimerText').parent();
else
$disclaimerParent = $('#calcDisclaimerText').parent();
if ($disclaimerParent.innerHeight() > $settings.scrollDisclaimerHeightComparison)
$disclaimerParent.addClass('scroll').css({
'height' : $settings.scrollDisclaimer+'px'
});
}
function changeQuantityTextbox($thisTextbox, $originalSettings, nutritionLabel, $elem){
var textBoxValue = parseFloat( $thisTextbox.val() );
textBoxValue = isNaN(textBoxValue) ? 1.0 : textBoxValue;
$thisTextbox.val( textBoxValue.toFixed(1) );
$originalSettings.valueServingUnitQuantity = textBoxValue;
$originalSettings = UpdateNutritionValueWithMultiplier($originalSettings);
nutritionLabel = new NutritionLabel($originalSettings, $elem);
$elem.html( nutritionLabel.generate() );
//scroll the ingredients of the innerheight is > $settings.scrollHeightComparison
//and the settings showIngredients and scrollLongIngredients are true
if ($originalSettings.showIngredients && $originalSettings.scrollLongIngredients)
updateScrollingFeature($elem, $originalSettings);
//scroll the disclaimer if the height of the disclaimer div is greater than scrollDisclaimerHeightComparison
if ($originalSettings.showDisclaimer)
updateScrollingFeatureDisclaimer($elem, $originalSettings);
//this code is for pages with multiple nutrition labels generated by the plugin like the demo page
notApplicableHover($elem);
//add a scroll on long item names
if ($originalSettings.scrollLongItemName)
addScrollToItemDiv($elem, $originalSettings);
}
function changeQuantityByArrow($thisQuantity, changeValueBy, $settings, nutritionLabel, $elem){
//get the current user quantity of the item
var currentQuantity = parseFloat( $thisQuantity.parent().parent().find('input.unitQuantityBox').val() );
if ( isNaN(currentQuantity) )
currentQuantity = 1.0;
//see https://github.com/nutritionix/nutrition-label/issues/14 for an explanation on this part
if (currentQuantity <= 1 && changeValueBy == -1){
changeValueBy = -0.5;
currentQuantity += changeValueBy;
}else if (currentQuantity < 1 && changeValueBy == 1){
changeValueBy = 0.5;
currentQuantity += changeValueBy;
}else if (currentQuantity <= 2 && currentQuantity > 1 && changeValueBy == -1)
currentQuantity = 1;
else
currentQuantity += changeValueBy;
if (currentQuantity < 0)
currentQuantity = 0;
$thisQuantity.parent().parent().find('input.unitQuantityBox').val( currentQuantity.toFixed(1) );
$settings.valueServingUnitQuantity = currentQuantity;
$settings = UpdateNutritionValueWithMultiplier($settings);
nutritionLabel = new NutritionLabel($settings, $elem);
$elem.html( nutritionLabel.generate() );
//scroll the ingredients of the innerheight is > $settings.scrollHeightComparison
//and the settings showIngredients and scrollLongIngredients are true
if ($settings.showIngredients && $settings.scrollLongIngredients)
updateScrollingFeature($elem, $settings);
//scroll the disclaimer if the height of the disclaimer div is greater than scrollDisclaimerHeightComparison
if ($settings.showDisclaimer)
updateScrollingFeatureDisclaimer($elem, $settings);
//this code is for pages with multiple nutrition labels generated by the plugin like the demo page
notApplicableHover($elem);
//add a scroll on long item names
if ($settings.scrollLongItemName)
addScrollToItemDiv($elem, $settings);
}
//round the value to the nearest number
function roundToNearestNum(input, nearest){
if (nearest < 0)
return Math.round(input*nearest)/nearest;
else
return Math.round(input/nearest)*nearest;
}
function roundCalories(toRound, decimalPlace){
toRound = roundCaloriesRule(toRound);
if (toRound > 0)
toRound = parseFloat( toRound.toFixed(decimalPlace) );
return toRound;
}
function roundFat(toRound, decimalPlace){
toRound = roundFatRule(toRound);
if (toRound > 0)
toRound = parseFloat( toRound.toFixed(decimalPlace) );
return toRound;
}
function roundSodium(toRound, decimalPlace){
toRound = roundSodiumRule(toRound);
if (toRound > 0)
toRound = parseFloat( toRound.toFixed(decimalPlace) );
return toRound;
}
function roundCholesterol(toRound, decimalPlace){
var normalVersion = true;
var roundResult = roundCholesterolRule(toRound);
if (roundResult === false)
normalVersion = false;
else
toRound = roundResult;
if (normalVersion){
if (toRound > 0)
toRound = parseFloat( toRound.toFixed(decimalPlace) );
}else
toRound = '< 5';
return toRound;
}
function roundCarbFiberSugarProtein(toRound, decimalPlace){
var normalVersion = true;
var roundResult = roundCarbFiberSugarProteinRule(toRound);
if (roundResult === false)
normalVersion = false;
else
toRound = roundResult;
if (normalVersion){
if (toRound > 0)
toRound = parseFloat( toRound.toFixed(decimalPlace) );
}else
toRound = '< 1';
return toRound;
}
//Calories and Calories from Fat rounding rule
function roundCaloriesRule(toRound){
if (toRound < 5)
return 0;
else if (toRound <= 50)
//50 cal - express to nearest 5 cal increment
return roundToNearestNum(toRound, 5);
else
//> 50 cal - express to nearest 10 cal increment
return roundToNearestNum(toRound, 10);
}
//Total Fat, Saturated Fat, Polyunsaturated Fat and Monounsaturated Fat rounding rule
function roundFatRule(toRound){
if (toRound < .5)
return 0;
else if (toRound < 5)
//< 5 g - express to nearest .5g increment
return roundToNearestNum(toRound, .5);
else
//>= 5 g - express to nearest 1 g increment
return roundToNearestNum(toRound, 1);
}
//Sodium rounding rule
function roundSodiumRule(toRound){
if (toRound < 5)
return 0;
else if (toRound <= 140)
//5 - 140 mg - express to nearest 5 mg increment
return roundToNearestNum(toRound, 5);
else
//>= 5 g - express to nearest 10 g increment
return roundToNearestNum(toRound, 10);
}
//Cholesterol rounding rule
function roundCholesterolRule(toRound){
if (toRound < 2)
return 0;
else if (toRound <= 5)
return false;
else
//> 5 mg - express to nearest 5 mg increment
return roundToNearestNum(toRound, 5);
}
//Total Carbohydrate, Dietary Fiber, Sugar and Protein rounding rule
function roundCarbFiberSugarProteinRule(toRound){
if (toRound < .5)
return 0;
else if (toRound < 1)
//< 1 g - express as "Contains less than 1g" or "less than 1g"
return false;
else
//> 1 mg - express to nearest 1 g increment
return roundToNearestNum(toRound, 1);
}
//Total Carbohydrate, Dietary Fiber, Sugar and Protein rounding rule
function roundVitaminsCalciumIron(toRound){
if (toRound > 0){
if (toRound < 10)
//< 10 - round to nearest even number
return roundToNearestNum(toRound, 2);
else if (toRound < 50)
//between 10 and 50, round to the nearest 5 increment
return roundToNearestNum(toRound, 5);
else
//else, round to the nearest 10 increment
return roundToNearestNum(toRound, 10);
}else
return 0;
}
NutritionLabel.prototype = {
generate: function(){
//this is the function that returns the html code for the nutrition label based on the settings that is supplied by the user
var $this = this;
//return the plugin incase it has already been created
if ($this.nutritionLabel)
return $this.nutritionLabel;
if ($this.settings.hideNotAppicableValues){
$this.settings.showCalories = $this.settings.naCalories ? false : $this.settings.showCalories;
$this.settings.showFatCalories = $this.settings.naFatCalories ? false : $this.settings.showFatCalories;
$this.settings.showTotalFat = $this.settings.naTotalFat ? false : $this.settings.showTotalFat;
$this.settings.showSatFat = $this.settings.naSatFat ? false : $this.settings.showSatFat;
$this.settings.showTransFat = $this.settings.naTransFat ? false : $this.settings.showTransFat;
$this.settings.showPolyFat = $this.settings.naPolyFat ? false : $this.settings.showPolyFat;
$this.settings.showMonoFat = $this.settings.naMonoFat ? false : $this.settings.showMonoFat;
$this.settings.showCholesterol = $this.settings.naCholesterol ? false : $this.settings.showCholesterol;
$this.settings.showSodium = $this.settings.naSodium ? false : $this.settings.showSodium;
$this.settings.showTotalCarb = $this.settings.naTotalCarb ? false : $this.settings.showTotalCarb;
$this.settings.showFibers = $this.settings.naFibers ? false : $this.settings.showFibers;
$this.settings.showSugars = $this.settings.naSugars ? false : $this.settings.showSugars;
$this.settings.showProteins = $this.settings.naProteins ? false : $this.settings.showProteins;
$this.settings.showVitaminA = $this.settings.naVitaminA ? false : $this.settings.showVitaminA;
$this.settings.showVitaminC = $this.settings.naVitaminC ? false : $this.settings.showVitaminC;
$this.settings.showCalcium = $this.settings.naCalcium ? false : $this.settings.showCalcium;
$this.settings.showIron = $this.settings.naIron ? false : $this.settings.showIron;
}
//initializing the tab variables
//tab variables are used to make the printing of the html code readable when you copy the code using
//firebug => inspect => copy innerhtml
//for debugging and editing purposes
for (x = 1; x < 9; x++){
var tab = '';
for (y = 1; y <= x; y++)
tab += '\t';
eval('var tab' + x + ' = "' + tab + '";');
}
//initialize the not applicable image icon in case we need to use it
var naValue = '<font class="notApplicable">- </font>';
var calorieIntakeMod = (parseFloat($this.settings.calorieIntake) / 2000).toFixed(2);
var borderCSS = '';
if ($this.settings.allowNoBorder)
borderCSS = 'border: 0;';
//creates the html code for the label based on the settings
var nutritionLabel = '';
if (!$this.settings.allowCustomWidth)
nutritionLabel += '<div class="nutritionLabel" style="' + borderCSS + ' width: '+ $this.settings.width + 'px;">\n';
else
nutritionLabel += '<div class="nutritionLabel" style="' + borderCSS + ' width: '+ $this.settings.widthCustom + ';">\n';
nutritionLabel += tab1 + '<div class="title">' + $this.settings.textNutritionFacts + '</div>\n';
if ($this.settings.showItemName){
var tabTemp = tab1;
var itemNameClass = '';
if ($this.settings.showServingUnitQuantityTextbox){
if (
($this.settings.valueServingSizeUnit == null || $this.settings.valueServingSizeUnit == '') ||
($this.settings.valueServingSizeUnit !== '' && $this.settings.valueServingSizeUnit !== null &&
$this.settings.originalServingUnitQuantity <= 0)
){
nutritionLabel += tab1 + '<div class="cf">\n';
nutritionLabel += tab2 + '<div class="rel servingSizeField">\n';
var textboxClass = 'unitQuantityBox';
if (!$this.settings.hideTextboxArrows){
nutritionLabel += tab3 + '<div class="setter">\n';
nutritionLabel += tab4 + '<a href="Increase the quantity" class="unitQuantityUp" rel="nofollow"></a>\n';
nutritionLabel += tab4 + '<a href="Decrease the quantity" class="unitQuantityDown" rel="nofollow"></a>\n';
nutritionLabel += tab3 + '</div><!-- closing class="setter" -->\n';
}else
textboxClass = 'unitQuantityBox arrowsAreHidden';
nutritionLabel += tab3 + '<input type="text" value="'+ parseFloat( $this.settings.valueServingUnitQuantity.toFixed($this.settings.decimalPlacesForQuantityTextbox) ) +'" ';
nutritionLabel += 'class="'+textboxClass+'">\n';
nutritionLabel += tab2 + '</div><!-- closing class="servingSizeField" -->\n';
tabTemp = tab2;
var itemNameClass = 'inline';
}
}//end of => if ($this.settings.showServingUnitQuantityTextbox){
nutritionLabel += tabTemp + '<div class="name '+ itemNameClass +'">';
nutritionLabel += $this.settings.itemName;
if ($this.settings.showBrandName && $this.settings.brandName != null && $this.settings.brandName != '')
nutritionLabel += ' - ' + $this.settings.brandName;
nutritionLabel += '</div>\n';
if ($this.settings.showServingUnitQuantityTextbox)
if (
($this.settings.valueServingSizeUnit == null || $this.settings.valueServingSizeUnit == '') ||
($this.settings.valueServingSizeUnit !== '' && $this.settings.valueServingSizeUnit !== null &&
$this.settings.originalServingUnitQuantity <= 0)
)
nutritionLabel += tab1 + '</div><!-- closing class="cf" -->\n';
}//end of => if ($this.settings.showItemName)
var servingSizeIsHidden = false;
var servingContainerIsHidden = false;
var servingSizeTextClass = '';
if ($this.settings.showServingUnitQuantity){
nutritionLabel += tab1 + '<div class="serving">\n';
if ($this.settings.originalServingUnitQuantity > 0){
nutritionLabel += tab2 + '<div class="cf">\n';
nutritionLabel += tab3 + '<div class="servingSizeText fl">' + $this.settings.textServingSize + '</div>\n';
nutritionLabel += $this.settings.showServingUnitQuantityTextbox ?
'' : tab3 + '<div class="servingUnitQuantity fl">' + parseFloat( $this.settings.originalServingUnitQuantity.toFixed($this.settings.decimalPlacesForNutrition) ) + '</div>\n';
var unitAddedClass = '';
var gramsAddedClass = '';
if ($this.settings.valueServingSizeUnit !== '' && $this.settings.valueServingSizeUnit !== null){
if ($this.settings.showServingUnitQuantityTextbox && $this.settings.valueServingSizeUnit != null &&
$this.settings.valueServingSizeUnit != ''){
unitAddedClass = 'unitHasTextbox';
gramsAddedClass = 'gramsHasTextbox';
nutritionLabel += tab3 + '<div class="rel servingSizeField fl">\n';
var textboxClass = 'unitQuantityBox';
if (!$this.settings.hideTextboxArrows){
nutritionLabel += tab4 + '<div class="setter">\n';
nutritionLabel += tab5 + '<a href="Increase the quantity" class="unitQuantityUp" rel="nofollow"></a>\n';
nutritionLabel += tab5 + '<a href="Decrease the quantity" class="unitQuantityDown" rel="nofollow"></a>\n';
nutritionLabel += tab4 + '</div><!-- closing class="setter" -->\n';
}else
textboxClass = 'unitQuantityBox arrowsAreHidden';
nutritionLabel += tab4 + '<input type="text" value="'+ parseFloat( $this.settings.valueServingUnitQuantity.toFixed($this.settings.decimalPlacesForQuantityTextbox) ) +'" ';
nutritionLabel += 'class="'+textboxClass+'">\n';
nutritionLabel += tab3 + '</div><!-- closing class="servingSizeField" -->\n';
}else if ($this.settings.originalServingUnitQuantity > 0 && $this.settings.showServingUnitQuantityTextbox)
nutritionLabel += tab3 + '<div class="servingUnitQuantity">' + parseFloat( $this.settings.originalServingUnitQuantity.toFixed($this.settings.decimalPlacesForNutrition) ) + '</div>\n';
nutritionLabel += tab3 + '<div class="servingUnit fl '+unitAddedClass+'">'+ $this.settings.valueServingSizeUnit + '</div>\n';
}else if ($this.settings.originalServingUnitQuantity > 0 && $this.settings.showServingUnitQuantityTextbox)
nutritionLabel += tab3 + '<div class="servingUnitQuantity fl">' + parseFloat( $this.settings.originalServingUnitQuantity.toFixed($this.settings.decimalPlacesForNutrition) ) + '</div>\n';
//end of => if ($this.settings.valueServingSizeUnit !== '' && $this.settings.valueServingSizeUnit !== null){
if ($this.settings.valueServingWeightGrams > 0)
nutritionLabel += tab3 + '<div class="servingWeightGrams fl '+gramsAddedClass+'">('+
parseFloat( $this.settings.valueServingWeightGrams.toFixed($this.settings.decimalPlacesForNutrition) )
+ 'g)</div>\n';
nutritionLabel += tab2 + '</div><!-- closing class="cf" -->\n';
}else
servingSizeIsHidden = true;
//end of => if ($this.settings.originalServingUnitQuantity > 0){
if ($this.settings.showServingsPerContainer){
//Serving per container
if ($this.settings.valueServingPerContainer > 0){
nutritionLabel += tab2 + '<div>' + $this.settings.textServingsPerContainer + ' ';
nutritionLabel += parseFloat(
$this.settings.valueServingPerContainer.toFixed($this.settings.decimalPlacesForNutrition)
);
nutritionLabel += '</div>\n';
}else
servingContainerIsHidden = true;
}else
servingContainerIsHidden = true;
nutritionLabel += tab1 + '</div><!-- closing class="serving" -->\n';
}//end of => if ($this.settings.showServingUnitQuantity)
if ( (!$this.settings.showItemName && !$this.settings.showServingUnitQuantity) ||
(!$this.settings.showItemName && servingSizeIsHidden && servingContainerIsHidden) )
nutritionLabel += tab1 + '<div class="headerSpacer"></div>\n';
nutritionLabel += tab1 + '<div class="bar1"></div>\n';
if ($this.settings.showAmountPerServing){
nutritionLabel += tab1 + '<div class="line m">';
nutritionLabel += '<b>' + $this.settings.textAmountPerServing + '</b>';
nutritionLabel += '</div>\n';
}
nutritionLabel += tab1 + '<div class="line">\n';
if ($this.settings.showFatCalories){
nutritionLabel += tab2 + '<div class="fr">';
nutritionLabel += $this.settings.textFatCalories + ' ';
nutritionLabel += $this.settings.naFatCalories ?
naValue :
(
$this.settings.allowFDARounding ?
roundCalories($this.settings.valueFatCalories, $this.settings.decimalPlacesForNutrition) :
parseFloat( $this.settings.valueFatCalories.toFixed($this.settings.decimalPlacesForNutrition) )
) + $this.settings.unitFatCalories;
nutritionLabel += '</div>\n';
}
if ($this.settings.showCalories){
nutritionLabel += tab2 + '<div>';
nutritionLabel += '<b>' + $this.settings.textCalories + '</b> ';
nutritionLabel += $this.settings.naCalories ?
naValue :
(
$this.settings.allowFDARounding ?
roundCalories($this.settings.valueCalories, $this.settings.decimalPlacesForNutrition) :
parseFloat( $this.settings.valueCalories.toFixed($this.settings.decimalPlacesForNutrition) )
) + $this.settings.unitCalories;
nutritionLabel += '</div>\n';
}else if ($this.settings.showFatCalories)
nutritionLabel += tab2 + '<div> </div>\n';
nutritionLabel += tab1 + '</div>\n';
nutritionLabel += tab1 + '<div class="bar2"></div>\n';
nutritionLabel += tab1 + '<div class="line ar">';
nutritionLabel += '<b>% ' + $this.settings.textDailyValues + '<sup>*</sup></b>';
nutritionLabel += '</div>\n';
if ($this.settings.showTotalFat){
nutritionLabel += tab1 + '<div class="line">\n';
nutritionLabel += tab2 + '<div class="dv">';
nutritionLabel += $this.settings.naTotalFat ?
naValue :
'<b>' +
parseFloat(
parseFloat(
(
($this.settings.allowFDARounding ? roundFatRule($this.settings.valueTotalFat) : $this.settings.valueTotalFat) / ($this.settings.dailyValueTotalFat * calorieIntakeMod)
) * 100
).toFixed($this.settings.decimalPlacesForDailyValues)
) + '</b>%';