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nutritionLabel-stable-ver-8.0.5.js
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nutritionLabel-stable-ver-8.0.5.js
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/*
***************************************************************************************************************************************************+
* NUTRITIONIX.com |
* |
* This plugin allows you to create a fully customizable nutrition label |
* |
* @authors Leo Joseph Gajitos <leejay22@gmail.com>, Rommel Malang <genesis23rd@gmail.com> and Yurko Fedoriv <yurko.fedoriv@gmail.com> |
* @copyright Copyright (c) 2017 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 8.0.7 |
* @stable version 8.0.5 |
* @supported browser Firefox, Chrome, IE8+ |
* @description To be able to create a FDA-style nutrition label with any nutrition data source |
* |
***************************************************************************************************************************************************+
*/
;(function($){
$.fn.nutritionLabel = function(option, settings){
if (typeof option === 'object'){
settings = option;
init( settings, $(this) );
}else if (typeof option === 'string' && option !== ''){
//destroy 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;
}
//end of => else if (typeof option === 'string' && option !== '')
}else if (typeof option === 'undefined' || option === ''){
//if no value / option is supplied, simply create the label using the default values
init( settings, $(this) );
}
};//end of => $.fn.nutritionLabel = function(option, settings)
$.fn.nutritionLabel.defaultSettings = {
//default fixedWidth of the nutrition label
width : 280,
//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,
//to enabled the google analytics event logging
allowGoogleAnalyticsEventLog : false,
gooleAnalyticsFunctionName : 'ga',
//enable triggering of user function on quantity change: global function name
userFunctionNameOnQuantityChange: null,
//enable triggering of user function on quantity change: handler instance
userFunctionOnQuantityChange: null,
//when set to true, this will hide the values if they are not applicable
hideNotApplicableValues : 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,
scrollLongItemNamePixel2018Override : 34, //this is needed to fix some issues on the 2018 label as the layout of the label is very different than the legacy one
//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,
//this is used for the computation of the servings per container
totalContainerQuantity : 1,
//default calorie intake
calorieIntake : 2000,
//these are the recommended daily intake values
dailyValueTotalFat : 65,
dailyValueSatFat : 20,
dailyValueCholesterol : 300,
dailyValueSodium : 2400,
dailyValuePotassium : 3500,
dailyValuePotassium_2018 : 4700,
dailyValueCarb : 300,
dailyValueFiber : 25,
dailyValueCalcium : 1300,
dailyValueIron : 18,
dailyValueVitaminD : 20,
dailyValueAddedSugar : 50,
//these values can be change to hide some nutrition values
showCalories : true,
showFatCalories : true,
showTotalFat : true,
showSatFat : true,
showTransFat : true,
showPolyFat : false,
showMonoFat : false,
showCholesterol : true,
showSodium : true,
showPotassium: false, //this is for the legacy version, this is the only value that is default to be hidden
showPotassium_2018: true, //this is for the 2018 version
showTotalCarb : true,
showFibers : true,
showSugars : true,
showAddedSugars : true,
showSugarAlcohol : false,
showProteins : true,
showVitaminA : true,
showVitaminC : true,
showVitaminD : 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,
naPotassium : false, //this is for the legacy version
naPotassium_2018 : false, //this is for the 2018 version
naTotalCarb : false,
naFibers : false,
naSugars : false,
naAddedSugars : false,
naSugarAlcohol : false,
naProteins : false,
naVitaminA : false,
naVitaminC : false,
naVitaminD : 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,
valuePotassium : 0, //this is for the legacy version
valuePotassium_2018 : 0, //this is for the 2018 version
valueTotalCarb : 0,
valueFibers : 0,
valueSugars : 0,
valueAddedSugars : 0,
valueSugarAlcohol : 0,
valueProteins : 0,
valueVitaminA : 0,
valueVitaminC : 0,
valueVitaminD : 0,
valueCalcium : 0,
valueIron : 0,
//customizable units for the values
unitCalories : '',
unitFatCalories : '',
unitTotalFat : '<span aria-hidden="true">g</span><span class="sr-only"> grams</span>',
unitSatFat : '<span aria-hidden="true">g</span><span class="sr-only"> grams</span>',
unitTransFat : '<span aria-hidden="true">g</span><span class="sr-only"> grams</span>',
unitPolyFat : '<span aria-hidden="true">g</span><span class="sr-only"> grams</span>',
unitMonoFat : '<span aria-hidden="true">g</span><span class="sr-only"> grams</span>',
unitCholesterol : '<span aria-hidden="true">mg</span><span class="sr-only"> milligrams</span>',
unitSodium : '<span aria-hidden="true">mg</span><span class="sr-only"> milligrams</span>',
unitPotassium : '<span aria-hidden="true">mg</span><span class="sr-only"> milligrams</span>', //this is for the legacy version
unitPotassium_base : '<span aria-hidden="true">mg</span><span class="sr-only"> milligrams</span>', //this is for the 2018 version
unitPotassium_percent : '%', //this is for the 2018 version
unitTotalCarb : '<span aria-hidden="true">g</span><span class="sr-only"> grams</span>',
unitFibers : '<span aria-hidden="true">g</span><span class="sr-only"> grams</span>',
unitSugars : '<span aria-hidden="true">g</span><span class="sr-only"> grams</span>',
unitAddedSugars : '<span aria-hidden="true">g</span><span class="sr-only"> grams</span>',
unitSugarAlcohol : '<span aria-hidden="true">g</span><span class="sr-only"> grams</span>',
unitProteins : '<span aria-hidden="true">g</span><span class="sr-only"> grams</span>',
unitVitaminA : '%',
unitVitaminC : '%',
unitVitaminD_base : '<span aria-hidden="true">mcg</span><span class="sr-only"> micrograms</span>', //this is for the 2018 version
unitVitaminD_percent : '%', //this is for the 2018 version
unitCalcium : '%',
unitCalcium_base : '<span aria-hidden="true">mg</span><span class="sr-only"> milligrams</span>', //this is for the 2018 version
unitCalcium_percent : '%', //this is for the 2018 version
unitIron : '%',
unitIron_base : '<span aria-hidden="true">mg</span><span class="sr-only"> milligrams</span>', //this is for the 2018 version
unitIron_percent : '%', //this is for the 2018 version
//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,
valueCol1DietaryPotassium : 0,
valueCol2DietaryPotassium : 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 : '<em>Trans</em> Fat',
textPolyFat : 'Polyunsaturated Fat',
textMonoFat : 'Monounsaturated Fat',
textCholesterol : 'Cholesterol',
textSodium : 'Sodium',
textPotassium : 'Potassium',
textTotalCarb : 'Total Carbohydrates',
textFibers : 'Dietary Fiber',
textSugars : 'Sugars',
textAddedSugars1 : 'Includes ',
textAddedSugars2 : ' Added Sugars',
textSugarAlcohol : 'Sugar Alcohol',
textProteins : 'Protein',
textVitaminA : 'Vitamin A',
textVitaminC : 'Vitamin C',
textVitaminD : 'Vitamin D',
textCalcium : 'Calcium',
textIron : 'Iron',
textNotApplicable : '-',
ingredientList : 'None',
textPercentDailyPart1 : 'Percent Daily Values are based on a',
textPercentDailyPart2 : 'calorie diet',
textPercentDaily2018VersionPart1 : 'The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. ',
textPercentDaily2018VersionPart2 : ' calories a day is used for general nutrition advice.',
textGoogleAnalyticsEventCategory : 'Nutrition Label',
textGoogleAnalyticsEventActionUpArrow : 'Quantity Up Arrow Clicked',
textGoogleAnalyticsEventActionDownArrow : 'Quantity Down Arrow Clicked',
textGoogleAnalyticsEventActionTextbox : 'Quantity Textbox Changed',
showLegacyVersion : true,
//more details here https://github.com/nutritionix/nutrition-label/issues/77#issuecomment-323510972
legacyVersion: 1
};//end of => $.fn.nutritionLabel.defaultSettings
//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', 'dailyValuePotassium', 'dailyValueCarb', 'dailyValueFiber','valueServingSize', 'valueServingWeightGrams', 'valueServingPerContainer',
'valueCalories', 'valueFatCalories', 'valueTotalFat', 'valueSatFat', 'valueTransFat', 'valuePolyFat', 'valueMonoFat', 'valueCholesterol', 'valueSodium', 'valuePotassium', 'valueTotalCarb',
'valueFibers', 'valueSugars', 'valueProteins', 'valueVitaminA', 'valueVitaminC', 'valueCalcium', 'valueIron', 'valueCol1CalorieDiet', 'valueCol2CalorieDiet', 'valueCol1DietaryTotalFat',
'valueCol2DietaryTotalFat', 'valueCol1DietarySatFat', 'valueCol2DietarySatFat', 'valueCol1DietaryCholesterol', 'valueCol2DietaryCholesterol', 'valueCol1DietarySodium',
'valueCol2DietarySodium', 'valueCol1DietaryPotassium', 'valueCol2DietaryPotassium', 'valueCol1DietaryTotalCarb', 'valueCol2DietaryTotalCarb', 'valueCol1Dietary', 'valueCol2Dietary',
'valueServingUnitQuantity', 'scrollLongItemNamePixel', 'scrollLongItemNamePixel2018Override', 'decimalPlacesForQuantityTextbox', 'valueAddedSugars', 'dailyValueVitaminD',
'dailyValueCalcium', 'dailyValueIron', 'valueVitaminD', 'valueSugarAlcohol'
];
$.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', 'valuePotassium', 'valueTotalCarb',
'valueFibers','valueSugars','valueProteins', 'valueVitaminA', 'valueVitaminC', 'valueCalcium', 'valueIron', 'valueServingWeightGrams', 'valueAddedSugars', 'valueVitaminD',
'valuePotassium_2018', 'valueSugarAlcohol'
];
$.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']);
}
});
if (parseFloat(settings['valueServingUnitQuantity']) == 0){
settings['valueServingPerContainer'] = 0;
}else if (!isNaN(settings['valueServingPerContainer']) && settings['valueServingPerContainer'] != undefined){
settings['valueServingPerContainer'] = parseFloat(settings.totalContainerQuantity) / parseFloat(settings['valueServingUnitQuantity']);
}
return settings;
}
function init(settings, $elem){
//merge the default settins with the user supplied settings
var $settings = $.extend( {}, $.fn.nutritionLabel.defaultSettings, settings || {} );
$settings.totalContainerQuantity = parseFloat($settings.valueServingPerContainer) * parseFloat($settings['valueServingUnitQuantity']);
var $originalCleanSettings = cleanSettings( $.extend( {}, $.fn.nutritionLabel.defaultSettings, settings || {} ) );
$originalCleanSettings.totalContainerQuantity = parseFloat($originalCleanSettings.valueServingPerContainer) * parseFloat($originalCleanSettings['valueServingUnitQuantity']);
//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, $elem);
if ($updatedsettings.showLegacyVersion){
//updateValuesAfterAQuantityChanged($localSettings, nutritionLabel, $elem, forLegacyLabel, forInitialization)
updateValuesAfterAQuantityChanged($settings, nutritionLabel, $elem, true, true);
//if the text box for the unit quantity is shown
if ($settings.showServingUnitQuantityTextbox){
//increase the unit quantity by clicking the up arrow
$('#' + $elem.attr('id') ).delegate('.unitQuantityUp', 'click', function(e){
e.preventDefault();
changeQuantityByArrow($(this), 1, updateTheSettingsAfterAnEvent($settings, settings), nutritionLabel, $elem, true);
});
//decrease the unit quantity by clicking the down arrow
$('#' + $elem.attr('id') ).delegate('.unitQuantityDown', 'click', function(e){
e.preventDefault();
changeQuantityByArrow($(this), -1, updateTheSettingsAfterAnEvent($settings, settings), nutritionLabel, $elem, true);
});
//the textbox unit quantity value is changed
$('#' + $elem.attr('id') ).delegate('.unitQuantityBox', 'change', function(e){
e.preventDefault();
changeQuantityTextbox($(this), updateTheSettingsAfterAnEvent($settings, settings), nutritionLabel, $elem, true);
});
//the textbox unit quantity value is changed
$('#' + $elem.attr('id') ).delegate('.unitQuantityBox', 'keydown', function(e){
if (e.keyCode == 13){
e.preventDefault();
changeQuantityTextbox($(this), updateTheSettingsAfterAnEvent($settings, settings), nutritionLabel, $elem, true);
}
});
}//end of => if ($settings.showServingUnitQuantityTextbox)
//end of => if ($updatedsettings.showLegacyVersion)
}else{
//this part is for the 2018 version
//updateValuesAfterAQuantityChanged($localSettings, nutritionLabel, $elem, forLegacyLabel, forInitialization)
updateValuesAfterAQuantityChanged($settings, nutritionLabel, $elem, false, true);
//if the text box for the unit quantity is shown
if ($settings.showServingUnitQuantityTextbox){
//increase the unit quantity by clicking the up arrow
$('#' + $elem.attr('id') ).delegate('div.nf-unitQuantityUp', 'click', function(e){
e.preventDefault();
changeQuantityByArrow($(this), 1, updateTheSettingsAfterAnEvent($settings, settings), nutritionLabel, $elem, false);
});
//decrease the unit quantity by clicking the down arrow
$('#' + $elem.attr('id') ).delegate('div.nf-unitQuantityDown', 'click', function(e){
e.preventDefault();
changeQuantityByArrow($(this), -1, updateTheSettingsAfterAnEvent($settings, settings), nutritionLabel, $elem, false);
});
//the textbox unit quantity value is changed
$('#' + $elem.attr('id') ).delegate('.nf-unitQuantityBox', 'change', function(e){
e.preventDefault();
changeQuantityTextbox($(this), updateTheSettingsAfterAnEvent($settings, settings), nutritionLabel, $elem, false);
});
//the textbox unit quantity value is changed
$('#' + $elem.attr('id') ).delegate('.nf-unitQuantityBox', 'keydown', function(e){
if (e.keyCode == 13){
e.preventDefault();
changeQuantityTextbox($(this), updateTheSettingsAfterAnEvent($settings, settings), nutritionLabel, $elem, false);
}
});
}//end of => if ($settings.showServingUnitQuantityTextbox)
}//end of else => => if ($updatedsettings.showLegacyVersion)
//store the object for later reference
$elem.data('_nutritionLabel', nutritionLabel);
}//end of => function init(settings, $elem)
function updateTheSettingsAfterAnEvent($localSettings, localSettings){
var $localSettingsHolder = cleanSettings( $.extend( {}, $.fn.nutritionLabel.defaultSettings, localSettings || {} ) );
$localSettingsHolder.originalServingUnitQuantity = $localSettings.originalServingUnitQuantity;
$localSettingsHolder.totalContainerQuantity = $localSettings.totalContainerQuantity;
$localSettingsHolder.nutritionValueMultiplier = $localSettingsHolder.valueServingUnitQuantity <= 0 ? 1 : 1 / $localSettingsHolder.valueServingUnitQuantity;
return $localSettingsHolder;
}
function addScrollToItemDiv($elem, $settings, localNameClass, forLegacyLabel){
var local_scrollLongItemNamePixel = parseInt($settings.scrollLongItemNamePixel);
if (!forLegacyLabel){
local_scrollLongItemNamePixel = parseInt($settings.scrollLongItemNamePixel2018Override);
}
//as of 05142017 inline class only appears on the legacy version
if ( $('#' + $elem.attr('id') + ' .' + localNameClass + '.inline').val() != undefined ){
if ($('#' + $elem.attr('id') + ' .' + localNameClass + '.inline').height() > local_scrollLongItemNamePixel + 1){
$('#' +$elem.attr('id') + ' .' + localNameClass + '.inline').css({
'margin-left' : '3.90em',
'height' : local_scrollLongItemNamePixel + 'px',
'overflow-y' : 'auto'
});
}
}else{
if (forLegacyLabel){
if ($('#' + $elem.attr('id') + ' .' + localNameClass).height() > local_scrollLongItemNamePixel + 1){
$('#' + $elem.attr('id') + ' .' + localNameClass).css({
'height' : local_scrollLongItemNamePixel + 'px',
'overflow-y' : 'auto'
});
}
}else{
if ($('#' + $elem.attr('id') + ' .' + localNameClass + ' div').height() >= local_scrollLongItemNamePixel + 1){
$('#' + $elem.attr('id') + ' .' + localNameClass + ' div').css({
'height' : local_scrollLongItemNamePixel + 'px',
'overflow-y' : 'auto'
});
}
}
}
}
function notApplicableHover($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(){
$('.naTooltip').hide();
}
);
}
}
function updateScrollingFeature($localElem, $localSettings, localIDToScroll, localScrollHeightComparison, localScrollHeight){
if ($localElem.attr('id') !== undefined && $localElem.attr('id') !== ''){
//this code is for pages with multiple nutrition labels generated by the plugin like the demo page
$parentElement = $('#' + $localElem.attr('id') + ' #' + localIDToScroll).parent();
}else{
$parentElement = $('#' + localIDToScroll).parent();
}
if ($parentElement.innerHeight() > localScrollHeightComparison){
$parentElement.addClass('scroll').css({
'height' : localScrollHeight + 'px'
});
}
}
function updateValuesAfterAQuantityChanged($localSettings, nutritionLabel, $elem, forLegacyLabel, forInitialization){
var ingredientListID = 'ingredientList';
var calcDisclaimerTextID = 'calcDisclaimerText';
var nameElementClass = 'name';
if (!forLegacyLabel){
ingredientListID = 'nf-ingredientList';
calcDisclaimerTextID = 'nf-calcDisclaimerText';
nameElementClass = 'nf-item-name';
}
if (!forInitialization){
$localSettings = updateNutritionValueWithMultiplier($localSettings);
nutritionLabel = new NutritionLabel($localSettings, $elem);
}
if (forLegacyLabel){
$elem.html( nutritionLabel.generateLegacy() );
}else{
$elem.html( nutritionLabel.generate2018() );
}
//scroll the ingredients of the innerheight is > $localSettings.scrollHeightComparison and the settings showIngredients and scrollLongIngredients are true
if ($localSettings.showIngredients && $localSettings.scrollLongIngredients){
//updateScrollingFeature($localElem, $localSettings, localIDToScroll, localScrollHeightComparison, localScrollHeight)
updateScrollingFeature($elem, $localSettings, ingredientListID, $localSettings.scrollHeightComparison, $localSettings.scrollHeightPixel);
}
//scroll the disclaimer if the height of the disclaimer div is greater than scrollDisclaimerHeightComparison
if ($localSettings.showDisclaimer){
//updateScrollingFeature($localElem, $localSettings, localIDToScroll, localScrollHeightComparison, localScrollHeight)
updateScrollingFeature($elem, $localSettings, calcDisclaimerTextID, $localSettings.scrollDisclaimerHeightComparison, $localSettings.scrollDisclaimer);
}
//this code is for pages with multiple nutrition labels generated by the plugin like the demo page
notApplicableHover($elem);
//add a scroll on long item names
if ($localSettings.scrollLongItemName){
addScrollToItemDiv($elem, $localSettings, nameElementClass, forLegacyLabel);
}
if (!forInitialization){
return $localSettings;
}
}//end of => updateValuesAfterAQuantityChanged($localSettings, $elem, ingredientListID, calcDisclaimerTextID, forLegacyLabel, forInitialization)
function handleQuantityChange($localSettings, source, previousValue, newValue) {
var handler;
if ($localSettings.userFunctionOnQuantityChange) {
handler = $localSettings.userFunctionOnQuantityChange;
} else if ($localSettings.userFunctionNameOnQuantityChange) {
handler = window[$localSettings.userFunctionNameOnQuantityChange];
}
if (typeof handler === 'function') {
handler(source, previousValue, newValue);
}
}
function changeQuantityTextbox($thisTextbox, $localSettings, nutritionLabel, $elem, forLegacyLabel){
var nixLabelBeforeQuantityID = 'nixLabelBeforeQuantity';
if (!forLegacyLabel){
nixLabelBeforeQuantityID = 'nf-nixLabelBeforeQuantity';
}
var previousValue = parseFloat( $('#' +$elem.attr('id') + ' #' + nixLabelBeforeQuantityID).val() );
textBoxValue = !regIsPosNumber( $thisTextbox.val() ) ? previousValue : parseFloat( $thisTextbox.val() );
$thisTextbox.val( textBoxValue.toFixed($localSettings.decimalPlacesForQuantityTextbox) );
$localSettings.valueServingUnitQuantity = textBoxValue;
$localSettings = updateValuesAfterAQuantityChanged($localSettings, nutritionLabel, $elem, forLegacyLabel, false);
if ($localSettings.allowGoogleAnalyticsEventLog){
window[$localSettings.gooleAnalyticsFunctionName](
'send',
'event',
$localSettings.textGoogleAnalyticsEventCategory,
$localSettings.textGoogleAnalyticsEventActionTextbox
);
}
handleQuantityChange(
$localSettings,
'textbox',
previousValue.toFixed($localSettings.decimalPlacesForQuantityTextbox),
textBoxValue.toFixed($localSettings.decimalPlacesForQuantityTextbox)
);
}//end of => function changeQuantityTextbox($thisTextbox, $localSettings, nutritionLabel, $elem, forLegacyLabel)
function changeQuantityByArrow($thisQuantity, changeValueBy, $localSettings, nutritionLabel, $elem, forLegacyLabel){
var unitQuantityBoxClass = 'unitQuantityBox';
if (!forLegacyLabel){
unitQuantityBoxClass = 'nf-unitQuantityBox';
}
//get the current user quantity of the item
var currentQuantity = parseFloat( $thisQuantity.parent().parent().find('input.' + unitQuantityBoxClass).val() );
if ( isNaN(currentQuantity) ){
currentQuantity = 1.0;
}
var beforeCurrentQuantityWasChanged = currentQuantity;
//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;
}
$thisQuantity.parent().parent().find('input.' + unitQuantityBoxClass).val(
currentQuantity.toFixed($localSettings.decimalPlacesForQuantityTextbox)
);
$localSettings.valueServingUnitQuantity = currentQuantity;
$localSettings = updateValuesAfterAQuantityChanged($localSettings, nutritionLabel, $elem, forLegacyLabel, false);
if ($localSettings.allowGoogleAnalyticsEventLog){
if (changeValueBy > 0){
window[$localSettings.gooleAnalyticsFunctionName](
'send',
'event',
$localSettings.textGoogleAnalyticsEventCategory,
$localSettings.textGoogleAnalyticsEventActionUpArrow
);
}else{
window[$localSettings.gooleAnalyticsFunctionName](
'send',
'event',
$localSettings.textGoogleAnalyticsEventCategory,
$localSettings.textGoogleAnalyticsEventActionDownArrow
);
}
}
handleQuantityChange(
$localSettings,
changeValueBy > 0 ? 'up arrow' : 'down arrow',
beforeCurrentQuantityWasChanged,
currentQuantity
);
}//end of => function changeQuantityByArrow($thisQuantity, changeValueBy, $localSettings, nutritionLabel, $elem, forLegacyLabel)
//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 roundPotassium(toRound, decimalPlace){
toRound = roundPotassiumRule(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);
}
}
//Potassium rounding rule
function roundPotassiumRule(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;
}
}
//check if the value is a positive number
function regIsPosNumber(fData){
return new RegExp('(^[0-9]+[\.]?[0-9]+$)|(^[0-9]+$)').test(fData);
}
//generate and return the html code for the item area
function itemNameHtmlLegacy($localSettings){
//initializing the tab variables (for debugging and editing purposes)
//tab variables are used to make the printing of the html code readable when you copy the code using firebug => inspect => copy innerhtml
for (x = 1; x < 5; x++){
var tab = '';
for (y = 1; y <= x; y++){
tab += '\t';