admin
1a34fccc35
- Startzeit startet leer (manuelle Eingabe erforderlich) - Endzeit startet mit aktueller Uhrzeit auf 5 Minuten aufgerundet - Endzeit erhält Autofokus beim Laden des Formulars - Startzeit synct Endzeit nicht mehr automatisch Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
90 lines
2.2 KiB
TypeScript
90 lines
2.2 KiB
TypeScript
'use client';
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import { useEffect, useState } from 'react';
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interface Props {
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value: string; // "HH:MM"
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onChange: (value: string) => void;
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className?: string;
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clearOnFocus?: boolean;
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autoFocus?: boolean;
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}
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function isValid(t: string): boolean {
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if (!/^\d{1,2}:\d{2}$/.test(t)) return false;
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const [h, m] = t.split(':').map(Number);
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return h >= 0 && h <= 23 && m >= 0 && m <= 59;
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}
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function normalize(t: string): string {
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const [h, m] = t.split(':').map(Number);
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return `${String(h).padStart(2, '0')}:${String(m).padStart(2, '0')}`;
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}
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export default function TimeInput({ value, onChange, className = '', clearOnFocus = false, autoFocus = false }: Props) {
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const [local, setLocal] = useState(value);
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const [error, setError] = useState(false);
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useEffect(() => {
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setLocal(value);
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setError(false);
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}, [value]);
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function handleChange(raw: string) {
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setError(false);
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// Auto-insert colon after the 2nd digit (only when adding, not deleting)
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if (/^\d{2}$/.test(raw) && /^\d$/.test(local)) {
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setLocal(raw + ':');
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return;
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}
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setLocal(raw);
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}
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function handleFocus() {
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if (clearOnFocus) {
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setLocal('');
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setError(false);
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}
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}
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function handleBlur() {
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if (local === '') {
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setLocal(value);
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setError(false);
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return;
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}
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if (isValid(local)) {
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const norm = normalize(local);
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setLocal(norm);
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setError(false);
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onChange(norm);
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} else {
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setError(true);
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}
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}
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return (
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<div className={`relative ${className}`}>
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<input
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type="text"
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inputMode="numeric"
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value={local}
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onChange={(e) => handleChange(e.target.value)}
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onFocus={handleFocus}
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onBlur={handleBlur}
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autoFocus={autoFocus}
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placeholder="HH:MM"
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maxLength={5}
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className={`w-full px-2 py-1 border-2 rounded-lg bg-white text-sm text-gray-900 font-mono text-center focus:outline-none ${
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error ? 'border-red-500 focus:border-red-500' : 'border-gray-400 focus:border-blue-500'
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}`}
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/>
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{error && (
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<p className="absolute left-0 top-full mt-0.5 text-xs text-red-600 whitespace-nowrap z-10">
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Ungültig (00:00 – 23:59)
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</p>
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)}
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</div>
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);
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}
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