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Allow toggling of separator of ASCII

This commit is contained in:
Florine W. Dekker 2022-11-23 15:24:19 +01:00
parent 7ec5171adc
commit 567b364a59
Signed by: FWDekker
GPG Key ID: D3DCFAA8A4560BE0
3 changed files with 104 additions and 30 deletions
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7
src/main/css/main.css
View File

@ -1,7 +1,6 @@
#inputs {
display: flex;
flex-wrap: wrap;
align-items: start;
justify-content: left;
/*noinspection CssUnresolvedCustomProperty*/
gap: var(--spacing);
@ -9,10 +8,14 @@
#inputs article {
margin: 0;
/* Make `textarea`s expand automatically */
display: flex;
flex-direction: column;
}
#inputs textarea {
display: block;
width: 25em;
height: 5em;
height: 100%;
}

1
src/main/index.html
View File

@ -14,6 +14,7 @@
<meta name="fwd:footer:target" content="#footer" />
<meta name="fwd:footer:vcs-url" content="https://git.fwdekker.com/tools/converter/" />
<meta name="fwd:footer:version" content="v%%VERSION_NUMBER%%" />
<meta name="fwd:validation:load-forms" />
<title>Converter | FWDekker</title>

126
src/main/js/main.js
View File

@ -1,5 +1,7 @@
// noinspection JSUnresolvedVariable
const {$, doAfterLoad, stringToHtml} = window.fwdekker;
// noinspection JSUnresolvedVariable
const {clearInputValidity, showInputInvalid} = window.fwdekker.validation;
import bigInt from "big-integer";
@ -77,7 +79,7 @@ class NumeralSystem {
* @returns {string[]} the representations of `decimalNumbers` in this system
*/
decimalsToBases(decimalNumbers) {
return decimalNumbers.map((it) => this.decimalToBase(it));
return decimalNumbers.map(it => this.decimalToBase(it));
}
/**
@ -97,7 +99,7 @@ class NumeralSystem {
* @returns {bigInt[]} the decimal representations of `baseStrings`
*/
basesToDecimals(baseStrings) {
return baseStrings.map((it) => this.baseToDecimal(it));
return baseStrings.map(it => this.baseToDecimal(it));
}
/**
@ -130,22 +132,24 @@ class NumeralSystemInput {
constructor(name, numeralSystem) {
this.name = name;
this.numeralSystem = numeralSystem;
const base = this.numeralSystem.base;
this.label = stringToHtml(`<label for="b${base}-input">${this.name} <small>(base ${base})</small></label>`);
this.textarea = stringToHtml(`<textarea id="b${base}-input" class="number-input"></textarea>`);
this.textarea.oninput = () => {
if (this.textarea.value == null || this.textarea.value === "")
return;
this.textarea.value = this.numeralSystem.filterBaseString(this.textarea.value);
updateAllInputs(this, this.numeralSystem.basesToDecimals(this.textarea.value.split(",")));
};
this.wrapper = document.createElement("article");
this.wrapper.appendChild(this.label);
const base = this.numeralSystem.base;
const label = stringToHtml(`<label for="b${base}-input">${this.name} <small>(base ${base})</small></label>`);
this.wrapper.appendChild(label);
this.textarea = stringToHtml(`<textarea id="b${base}-input" class="number-input"></textarea>`);
this.textarea.addEventListener("input", () => {
if (this.textarea.value === "") return;
this.textarea.value = this.numeralSystem.filterBaseString(this.textarea.value);
updateAllInputs(this, this.numeralSystem.basesToDecimals(this.getValues()));
});
this.wrapper.appendChild(this.textarea);
const hint = stringToHtml(`<small id="b${base}-input-hint" data-hint-for="b${base}-input"></small>`);
this.wrapper.appendChild(hint);
}
@ -158,12 +162,21 @@ class NumeralSystemInput {
parent.appendChild(this.wrapper);
}
/**
* Returns the input's values.
*
* @returns {string[]} the input's values expressed in the associated numeral system
*/
getValues() {
return this.textarea.value.split(",");
}
/**
* Updates the input's value to contain this input's numeral system's representation of `decimalNumbers`.
*
* @param decimalNumbers {bigInt[]} the decimal numbers to represent in the input
*/
update(decimalNumbers) {
setValues(decimalNumbers) {
this.textarea.value = this.numeralSystem.decimalsToBases(decimalNumbers).join(",");
}
}
@ -248,21 +261,20 @@ class Base64NumeralSystemInput extends NumeralSystemInput {
constructor(name) {
super(name, new Base64NumeralSystem(Base64NumeralSystem.defaultAlphabet()));
this.dropdown = stringToHtml(`<select id="${this.numeralSystem.base}-dropdown"></select>`);
this.dropdown.onchange = () => {
const selectedOption = Base64NumeralSystemInput.dropdownOptions()[this.dropdown.value];
const dropdown = stringToHtml(`<select id="${this.numeralSystem.base}-dropdown"></select>`);
dropdown.addEventListener("change", () => {
const selectedOption = Base64NumeralSystemInput.dropdownOptions()[dropdown.value];
this.setLastDigits(selectedOption[0], selectedOption[1]);
};
});
this.wrapper.appendChild(dropdown);
Object
.keys(Base64NumeralSystemInput.dropdownOptions())
.forEach(key => {
.map(key => {
const text = key + ": " + Base64NumeralSystemInput.dropdownOptions()[key].join("");
const option = stringToHtml(`<option value="${key}">${text}</option>`);
this.dropdown.appendChild(option);
});
this.wrapper.appendChild(this.dropdown);
return stringToHtml(`<option value="${key}">${text}</option>`);
})
.forEach(option => dropdown.appendChild(option));
}
@ -282,6 +294,64 @@ class Base64NumeralSystemInput extends NumeralSystemInput {
}
/**
* An input field that contains a value in some numeral system, and can optionally interpret the separator symbol
* literally as part of its alphabet.
*
* Useful for numeral systems with separators in their alphabet. Lets the user decide whether to interpret those values
* as literals or as separators.
*/
class NumeralSystemInputWithToggleableSeparator extends NumeralSystemInput {
/**
* Constructs a new numeral system input, including HTML elements.
*
* @param name {string} the human-readable name of the system
* @param numeralSystem {NumeralSystem} the numeral system in which values in this input are expressed
*/
constructor(name, numeralSystem) {
if (!numeralSystem.alphabet.includes(","))
console.warn("Toggleable separator input incorrectly used on numeral system without comma in alphabet.");
super(name, numeralSystem);
this.textarea.addEventListener("input", () => clearInputValidity(this.textarea));
const id = `b${this.numeralSystem.base}-separator-toggle`;
const checkboxContainer = document.createElement("div");
this.wrapper.appendChild(checkboxContainer);
this.separatorCheckbox = stringToHtml(`<input type="checkbox" role="switch" id="${id}" checked />`);
this.separatorCheckbox.addEventListener("change", () => this.textarea.dispatchEvent(new InputEvent("input")));
checkboxContainer.appendChild(this.separatorCheckbox);
const label = stringToHtml(`<label for="${id}">Comma separates values</label>`);
checkboxContainer.appendChild(label);
}
getValues() {
if (this.separatorCheckbox.checked)
return super.getValues();
else
return [this.textarea.value];
}
setValues(decimalNumbers) {
clearInputValidity(this.textarea);
const baseStrings = this.numeralSystem.decimalsToBases(decimalNumbers);
if (baseStrings.length === 1) {
this.separatorCheckbox.checked = !baseStrings[0].includes(",");
this.textarea.value = baseStrings[0];
} else {
if (baseStrings.some(it => it.includes(",")))
showInputInvalid(this.textarea, "Contains a mixture of literal commas and separator commas.", false);
this.textarea.value = baseStrings.join(",");
}
}
}
/**
* All the inputs to display.
*
@ -294,7 +364,7 @@ const inputs = [
new NumeralSystemInput("Duodecimal", new NumeralSystem(12, "0123456789ab", false)),
new NumeralSystemInput("Hexadecimal", new NumeralSystem(16, "0123456789abcdef", false)),
new Base64NumeralSystemInput("Base64"),
new NumeralSystemInput(
new NumeralSystemInputWithToggleableSeparator(
"ASCII",
new NumeralSystem(
256,
@ -313,7 +383,7 @@ const inputs = [
function updateAllInputs(source, newDecimalValues) {
for (const input of inputs)
if (input !== source)
input.update(newDecimalValues);
input.setValues(newDecimalValues);
}