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converter
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Dynamically create more inputs

This commit is contained in:
Florine W. Dekker 2019-07-01 23:58:30 +02:00
parent befca5d0a8
commit 9f2ce94527
Signed by: FWDekker
GPG Key ID: B1B567AF58D6EE0F
1 changed files with 17 additions and 9 deletions
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26
index.html
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@ -61,12 +61,14 @@
<script src="https://cdnjs.cloudflare.com/ajax/libs/big-integer/1.6.44/BigInteger.min.js"
integrity="sha256-es+ex6Oj344uak+VnCPyaHY2nzQkqhr7ByWVQgdjATA=" crossorigin="anonymous"></script>
<script>
const alphabet = "0123456789abcdef";
const updateAllInputs = newValue => {
for (const numberInput of $a(".numberInput"))
numberInput.value = newValue.toString(numberInput.getAttribute("data-base"));
numberInput.value = newValue.toString(numberInput.getAttribute("data-base"), alphabet);
};
const createTextarea = (base, name) => {
const createInput = (base, name) => {
const label = document.createElement("label");
label.setAttribute("for", `${name}Input`);
label.innerHTML = name;
@ -76,29 +78,35 @@
textarea.className = "numberInput";
textarea.setAttribute("data-base", base);
textarea.oninput = () => {
if (textarea.value)
updateAllInputs(bigInt(textarea.value, base));
if (textarea.value === undefined || textarea.value === null)
return;
const inputAlphabet = alphabet.substring(0, base);
textarea.value = textarea.value.toLowerCase().replace(new RegExp("[^" + inputAlphabet + "]"), "");
updateAllInputs(bigInt(textarea.value, base));
};
return [label, textarea];
};
const addTextarea = (label, textarea) => {
const addInput = (label, textarea) => {
const inputs = $("#inputs");
inputs.appendChild(label);
inputs.appendChild(textarea);
};
const generateTextareas = () => {
const generateInputs = () => {
const textareas = [["2", "Binary"], ["8", "Octal"], ["10", "Decimal"], ["16", "Hexadecimal"]];
for (const textarea of textareas) {
const elements = createTextarea(textarea[0], textarea[1]);
addTextarea(elements[0], elements[1]);
const elements = createInput(textarea[0], textarea[1]);
addInput(elements[0], elements[1]);
}
$("#" + textareas[0][1] + "Input").focus();
};
doAfterLoad(() => generateTextareas());
doAfterLoad(() => generateInputs());
</script>
</body>
</html>