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Added VAT calculator tool and applet, Cleaned up launch logs and DOM trash

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Update .gitignore, vat-calculator.yml, and 17 more files...
This commit is contained in:
Herwin Bozet (NibblePoker)
2025-09-07 20:52:02 +02:00
parent eb2ffa296b
commit 615affcc2d
19 changed files with 629 additions and 20 deletions
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static/resources/NibblePoker/applets/vat-calculator/vat-calculator.css Normal file
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static/resources/NibblePoker/applets/vat-calculator/vat-calculator.mjs Normal file
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import {initCore} from "../../js/nibblepoker-core.mjs";
//import {Decimal} from "../../../DecimalJs/10.6.0/decimal.mjs";
import {Decimal} from "../../../DecimalJs-Light/2.5.1/decimal.mjs";
import {getInputCount, getInputNumber} from "../../libs/input-utils.mjs";
// Tool-centric stuff
{
initCore();
const classesReadonly = ["bkgd-gray"];
const calcRadioGroupName = "vat_calc_target";
/** @type {HTMLLabelElement} */
const ePresetShortLabel = document.querySelector("label[for=vat-calculator-preset-short]");
/** @type {HTMLSelectElement} */
const ePresetShortSelect = document.getElementById("vat-calculator-preset-short");
/** @type {HTMLLabelElement} */
const ePresetDetailedLabel = document.querySelector("label[for=vat-calculator-preset-detailed]");
/** @type {HTMLSelectElement} */
const ePresetDetailedSelect = document.getElementById("vat-calculator-preset-detailed");
/** @type {HTMLInputElement} */
const eCheckboxDetailedPreset = document.getElementById("vat-calculator-detailed-presets");
/** @type {HTMLSpanElement} */
const ePresetEchoedCountry = document.getElementById("vat-calculator-preset-country-echo");
/** @type {HTMLButtonElement} */
const eButtonDecimalPlacesMinus = document.getElementById("vat-calculator-decimal-places-minus");
/** @type {HTMLInputElement} */
const eInputDecimalPlaces = document.getElementById("vat-calculator-option-decimal-places");
/** @type {HTMLButtonElement} */
const eButtonDecimalPlacesPlus = document.getElementById("vat-calculator-decimal-places-plus");
/* #vat-calculator-detailed-trim-zeroes */
/** @type {HTMLInputElement} */
const eCalcRateRadio = document.getElementById("vat-calculator-radio-rate");
/** @type {HTMLInputElement} */
const eCalcRateInput = document.getElementById("vat-calculator-input-rate");
/** @type {HTMLInputElement} */
const eCalcUntaxedRadio = document.getElementById("vat-calculator-radio-untaxed");
/** @type {HTMLInputElement} */
const eCalcUntaxedInput = document.getElementById("vat-calculator-input-untaxed");
/** @type {HTMLInputElement} */
const eCalcTaxedRadio = document.getElementById("vat-calculator-radio-taxed");
/** @type {HTMLInputElement} */
const eCalcTaxedInput = document.getElementById("vat-calculator-input-taxed");
/** @type {HTMLSelectElement} */
const eRoundingModeSelect = document.getElementById("vat-calculator-rounding-mode");
/**
* Handles the switch between the short and detailed standard rates selects
*/
function handlePresetDetailLevelChange() {
ePresetShortLabel.hidden = eCheckboxDetailedPreset.checked;
ePresetShortSelect.hidden = eCheckboxDetailedPreset.checked;
ePresetDetailedLabel.hidden = !eCheckboxDetailedPreset.checked;
ePresetDetailedSelect.hidden = !eCheckboxDetailedPreset.checked;
}
/** @returns {number} */
function getDecimalPlaces() {
return getInputCount(eInputDecimalPlaces, 0, 99);
}
function changeDecimalPlacesDesiredCount(difference = 0) {
if (difference !== 0) {
eInputDecimalPlaces.value = getInputCount(eInputDecimalPlaces, 0, 99) + difference;
}
eInputDecimalPlaces.value = getInputCount(eInputDecimalPlaces, 0, 99);
}
/**
* Handles the locking and unlocking of the calculator input fields.
* @param eInput {HTMLInputElement}
* @param isLocked {boolean}
*/
function setCalcFieldLockStatus(eInput, isLocked) {
eInput.readOnly = isLocked;
classesReadonly.forEach((roClass) => {
eInput.classList.remove(roClass);
if(isLocked) {
eInput.classList.add(roClass);
}
});
}
function handleCalcValueChange() {
let vatRate = getInputNumber(eCalcRateInput);
let untaxedValue = getInputNumber(eCalcUntaxedInput);
let taxedValue = getInputNumber(eCalcTaxedInput);
if(eCalcRateRadio.checked) {
if(untaxedValue === null || taxedValue === null || isNaN(untaxedValue) || isNaN(taxedValue)) {
return;
}
untaxedValue = new Decimal(eCalcUntaxedInput.value);
taxedValue = new Decimal(eCalcTaxedInput.value);
eCalcRateInput.value = taxedValue
.minus(untaxedValue)
.div(untaxedValue)
.times(100)
.toDecimalPlaces(getDecimalPlaces());
} else if(eCalcUntaxedRadio.checked) {
if(vatRate === null || taxedValue === null || isNaN(vatRate) || isNaN(taxedValue)) {
return;
}
vatRate = new Decimal(eCalcRateInput.value).dividedBy(100).plus(1);
taxedValue = new Decimal(eCalcTaxedInput.value);
eCalcUntaxedInput.value = taxedValue
.dividedBy(vatRate)
.toDecimalPlaces(getDecimalPlaces());
} else if(eCalcTaxedRadio.checked) {
if(vatRate === null || untaxedValue === null || isNaN(vatRate) || isNaN(untaxedValue)) {
return;
}
vatRate = new Decimal(eCalcRateInput.value).dividedBy(100).plus(1);
untaxedValue = new Decimal(eCalcUntaxedInput.value);
eCalcTaxedInput.value = untaxedValue
.times(vatRate)
.toDecimalPlaces(getDecimalPlaces());
}
}
function handleDecimalConfigChange() {
Decimal.set({
rounding: getInputCount(eRoundingModeSelect, 0, 8),
precision: 99,
defaults: true,
});
}
function handlePresetChange() {
if(ePresetShortSelect.value.length > 0) {
let eSelectedOption = ePresetShortSelect.querySelector('option:checked');
if(eSelectedOption === null) {
return;
}
let eSelectedOptionGroup = eSelectedOption.closest('optgroup');
if(eSelectedOptionGroup === null) {
return;
}
ePresetEchoedCountry.innerHTML = eSelectedOptionGroup.label;
} else {
ePresetEchoedCountry.innerHTML = "";
}
}
window.onload = function () {
// Handling the detailed rate toggle
eCheckboxDetailedPreset.addEventListener("click", function () {
handlePresetDetailLevelChange();
});
// Handling the rate select input
ePresetShortSelect.addEventListener("change", function () {
ePresetDetailedSelect.selectedIndex = ePresetShortSelect.selectedIndex;
eCalcRateInput.value = ePresetShortSelect.value;
handlePresetChange();
handleCalcValueChange();
});
ePresetDetailedSelect.addEventListener("change", function () {
ePresetShortSelect.selectedIndex = ePresetDetailedSelect.selectedIndex;
eCalcRateInput.value = ePresetDetailedSelect.value;
handlePresetChange();
handleCalcValueChange();
});
// Handling calc radio input change
document.addEventListener("change", (e) => {
if (e.target.type === "radio" && e.target.name === calcRadioGroupName) {
setCalcFieldLockStatus(eCalcRateInput, e.target.value === "0");
setCalcFieldLockStatus(eCalcUntaxedInput, e.target.value === "1");
setCalcFieldLockStatus(eCalcTaxedInput, e.target.value === "2");
ePresetDetailedSelect.disabled = e.target === eCalcRateRadio;
ePresetShortSelect.disabled = e.target === eCalcRateRadio;
}
});
eCalcRateRadio.addEventListener("change", function () {
ePresetShortSelect.selectedIndex = 0;
ePresetDetailedSelect.selectedIndex = 0;
handlePresetChange();
});
// Handling decimal places options
eButtonDecimalPlacesMinus.addEventListener("click", function () {
changeDecimalPlacesDesiredCount(-1);
handleDecimalConfigChange();
handleCalcValueChange();
});
eButtonDecimalPlacesPlus.addEventListener("click", function () {
changeDecimalPlacesDesiredCount(1);
handleDecimalConfigChange();
handleCalcValueChange();
});
eInputDecimalPlaces.addEventListener("change", function() {
changeDecimalPlacesDesiredCount(0);
handleDecimalConfigChange();
handleCalcValueChange();
});
eInputDecimalPlaces.addEventListener("mousewheel", function(e) {
// Handling wheel scroll on count field.
if(e.wheelDelta < 0) {
changeDecimalPlacesDesiredCount(-1);
} else {
changeDecimalPlacesDesiredCount(1);
}
handleDecimalConfigChange();
handleCalcValueChange();
});
// Handling other DecimalJs config fields
eRoundingModeSelect.addEventListener("change", function() {
handleDecimalConfigChange();
handleCalcValueChange();
});
// Handling the calculator field changes
eCalcRateInput.addEventListener("change", function() {
ePresetShortSelect.selectedIndex = 0;
ePresetDetailedSelect.selectedIndex = 0;
handleCalcValueChange();
handlePresetChange();
});
eCalcUntaxedInput.addEventListener("change", function() {
handleCalcValueChange();
});
eCalcTaxedInput.addEventListener("change", function() {
handleCalcValueChange();
});
handlePresetDetailLevelChange();
handleDecimalConfigChange();
handlePresetChange();
}
}

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static/resources/NibblePoker/libs/input-utils.mjs
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// Author: Herwin Bozet (@NibblePoker)
// License: Public Domain (This code)
/**
* Retrieves the number from an `HTMLInputElement`
* @param eInput {HTMLInputElement} The `HTMLInputElement` from which the value will be retrieved.
* @param min {number|null} If given, sets a minimum the value can have when returned.
* @param max {number|null} If given, sets a maximum the value can have when returned.
* @returns {number} The value from the given `HTMLInputElement`, or `1` if no valid one was given.
*/
export function getInputCount(eInput, min = null, max = null) {
let desiredCount = null;
try {
desiredCount = parseInt(eInput.value);
} catch (e) {
console.error(e);
}
function postProcessNumber(desiredCount, min = null, max = null) {
if (desiredCount === null) {
desiredCount = 1;
}
@@ -34,3 +20,37 @@ export function getInputCount(eInput, min = null, max = null) {
return desiredCount;
}
/**
* Retrieves the integer number from an `HTMLInputElement`
* @param eInput {HTMLInputElement|HTMLSelectElement} The `HTMLInputElement` from which the value will be retrieved.
* @param min {number|null} If given, sets a minimum the value can have when returned.
* @param max {number|null} If given, sets a maximum the value can have when returned.
* @returns {number|NaN} The value from the given `HTMLInputElement`, or `1` if no valid one was given.
*/
export function getInputCount(eInput, min = null, max = null) {
let desiredCount = null;
try {
desiredCount = parseInt(eInput.value);
} catch (e) {
console.error(e);
}
return postProcessNumber(desiredCount, min, max);
}
/**
* Retrieves the float number from an `HTMLInputElement`
* @param eInput {HTMLInputElement|HTMLSelectElement} The `HTMLInputElement` from which the value will be retrieved.
* @param min {number|null} If given, sets a minimum the value can have when returned.
* @param max {number|null} If given, sets a maximum the value can have when returned.
* @returns {number|NaN} The value from the given `HTMLInputElement`, or `1` if no valid one was given.
*/
export function getInputNumber(eInput, min = null, max = null) {
let desiredCount = null;
try {
desiredCount = parseFloat(eInput.value);
} catch (e) {
console.error(e);
}
return postProcessNumber(desiredCount, min, max);
}