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helpers.js
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// functions for dropdown fields
const getSizeOfBook = () => {
var sizeOfBook = 0
var theForm = document.forms['calculation-form']
const typeOfBookSizes = {
a1_61x86: 1,
a2_43x61: 2,
a3_30x43: 3,
a4_21x30: 4,
a5_15x21: 5,
b1_70x100: 6,
b2_50x70: 7,
b3_35x50: 8,
b4_25x35: 9,
b5_175x25: 10,
f1_52x78: 11,
f2_39x52: 12,
f3_26x39: 13,
f4_195x26: 14,
f5_13x195: 15,
custom: 16,
}
var selectedBook = theForm.elements['sizeofbook']
sizeOfBook = typeOfBookSizes[selectedBook.value]
switch (sizeOfBook) {
case 1:
document.getElementById('booksizewidth').value = 61
document.getElementById('booksizeheight').value = 86
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 2:
document.getElementById('booksizewidth').value = 43
document.getElementById('booksizeheight').value = 61
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 3:
document.getElementById('booksizewidth').value = 30
document.getElementById('booksizeheight').value = 43
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 4:
document.getElementById('booksizewidth').value = 21
document.getElementById('booksizeheight').value = 30
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 5:
document.getElementById('booksizewidth').value = 15
document.getElementById('booksizeheight').value = 21
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 6:
document.getElementById('booksizewidth').value = 70
document.getElementById('booksizeheight').value = 100
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 7:
document.getElementById('booksizewidth').value = 50
document.getElementById('booksizeheight').value = 70
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 8:
document.getElementById('booksizewidth').value = 35
document.getElementById('booksizeheight').value = 50
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 9:
document.getElementById('booksizewidth').value = 25
document.getElementById('booksizeheight').value = 35
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 10:
document.getElementById('booksizewidth').value = 17.5
document.getElementById('booksizeheight').value = 25
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 11:
document.getElementById('booksizewidth').value = 52
document.getElementById('booksizeheight').value = 78
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 12:
document.getElementById('booksizewidth').value = 39
document.getElementById('booksizeheight').value = 52
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 13:
document.getElementById('booksizewidth').value = 26
document.getElementById('booksizeheight').value = 39
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 14:
document.getElementById('booksizewidth').value = 19.5
document.getElementById('booksizeheight').value = 26
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 15:
document.getElementById('booksizewidth').value = 13
document.getElementById('booksizeheight').value = 19.5
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
case 16:
document.getElementById('booksizewidth').value = ''
document.getElementById('booksizeheight').value = ''
document.getElementById('width').style.display = 'block'
document.getElementById('height').style.display = 'block'
break
default:
document.getElementById('booksizewidth').value = 0
document.getElementById('booksizeheight').value = 0
document.getElementById('width').style.display = 'none'
document.getElementById('height').style.display = 'none'
break
}
}
const getMaterialSize = () => {
var materialSize = 0
var theForm = document.forms['calculation-form']
const typeOfMaterialSizes = {
None: 100,
balacron_fauxleather: 106,
miradur_fauxleather: 102,
vanol_fauxleather: 109,
jazzy_fauxleather: 109,
imperial_canvas: 100,
natural_canvas: 100,
savanna_canvas: 132,
ottawa_canvas: 132,
lousiana_canvas: 132,
luxine_velours: 100,
dainel_velours: 104,
sumeria_thermo: 140,
sheet_longgrain: 70,
sheet_shortgrain: 100,
}
var selectedMaterial = theForm.elements['typeOfMaterial']
materialSize = typeOfMaterialSizes[selectedMaterial.value]
return materialSize
}
// functions for variables
const getWidth = () => {
var theForm = document.forms['calculation-form']
var width = theForm.elements['booksizewidth'].value
// width = 30
console.log('The width is: ' + width)
return width
}
const getHeight = () => {
var theForm = document.forms['calculation-form']
var height = theForm.elements['booksizeheight'].value
// height = 43
console.log('The height is : ' + height)
return height
}
const getSpine = () => {
var theForm = document.forms['calculation-form']
var spine = theForm.elements['booksizespine'].value
return spine
}
const getQuantity = () => {
var theForm = document.forms['calculation-form']
var quantity = theForm.elements['bookquantity'].value
return quantity
}
// functions for calculating how many books can fit on the width/height of the material/sheet
const getWidthPerBookPerPc = () => {
let result
// Sheet is selected
if (document.getElementById('typeOfMaterial').value == 'sheet_longgrain') {
result = Math.floor(70 / (2 * +getWidth() + 2 + +getSpine()))
return result
} else if (
document.getElementById('typeOfMaterial').value == 'sheet_shortgrain'
) {
result = Math.floor(100 / (2 * +getWidth() + 3 + +getSpine()))
return result
} else {
// Specific material is selected which is in a roll
result = Math.floor(
+getMaterialSize() / (2 * +getWidth() + (+getSpine() + 3))
)
return result
}
}
const getHeightPerBookPerPc = () => {
let result
// Sheet is selected
if (document.getElementById('typeOfMaterial').value == 'sheet_longgrain') {
result = Math.floor(100 / (+getHeight() + 3))
return result
} else if (
document.getElementById('typeOfMaterial').value == 'sheet_shortgrain'
) {
result = Math.floor(70 / (+getHeight() + 3))
return result
} else {
// Specific material is selected which is in a roll
console.log(
'No need for calculation as the selected material is in a roll.'
)
}
}
module.exports = {
getSizeOfBook,
getWidth,
getHeight,
getSpine,
getQuantity,
getMaterialSize,
getWidthPerBookPerPc,
getHeightPerBookPerPc,
}