TKK_E32231767/Nakula/src/components/CalendarPicker.tsx

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import React, { useState } from "react";
import {
View,
Text,
Modal,
TouchableOpacity,
StyleSheet,
} from "react-native";
// ─── Helper ───────────────────────────────────────────────────────────────────
const BULAN = [
"Januari","Februari","Maret","April","Mei","Juni",
"Juli","Agustus","September","Oktober","November","Desember",
];
const HARI = ["Min","Sen","Sel","Rab","Kam","Jum","Sab"];
export const toISO = (d: Date) =>
`${d.getFullYear()}-${String(d.getMonth()+1).padStart(2,"0")}-${String(d.getDate()).padStart(2,"0")}`;
export const fromISO = (s: string): Date => {
const [y,m,d] = s.split("-").map(Number);
return new Date(y, m-1, d);
};
export const toDisplay = (s: string): string => {
const d = fromISO(s);
return `${String(d.getDate()).padStart(2,"0")}/${String(d.getMonth()+1).padStart(2,"0")}/${d.getFullYear()}`;
};
function getDaysInMonth(year: number, month: number) {
return new Date(year, month + 1, 0).getDate();
}
// ─── Props ────────────────────────────────────────────────────────────────────
interface CalendarPickerProps {
visible: boolean;
value: string; // "yyyy-mm-dd"
minDate?: string;
maxDate?: string;
title?: string;
onConfirm: (date: string) => void;
onClose: () => void;
}
// ─── Komponen ─────────────────────────────────────────────────────────────────
export default function CalendarPicker({
visible, value, minDate, maxDate, title = "Pilih Tanggal",
onConfirm, onClose,
}: CalendarPickerProps) {
const initDate = fromISO(value);
const [viewYear, setViewYear] = useState(initDate.getFullYear());
const [viewMonth, setViewMonth] = useState(initDate.getMonth());
const [selected, setSelected] = useState(value);
const todayISO = toISO(new Date());
const totalDays = getDaysInMonth(viewYear, viewMonth);
const firstDay = new Date(viewYear, viewMonth, 1).getDay(); // 0=Minggu
// Navigasi bulan
const prevMonth = () => {
if (viewMonth === 0) { setViewMonth(11); setViewYear(y => y - 1); }
else setViewMonth(m => m - 1);
};
const nextMonth = () => {
if (viewMonth === 11) { setViewMonth(0); setViewYear(y => y + 1); }
else setViewMonth(m => m + 1);
};
const isDisabled = (iso: string) => {
if (minDate && iso < minDate) return true;
if (maxDate && iso > maxDate) return true;
return false;
};
const isToday = (iso: string) => iso === todayISO;
const isSelected = (iso: string) => iso === selected;
// Buat grid hari (null = sel kosong sebelum hari pertama)
const cells: (number | null)[] = [
...Array(firstDay).fill(null),
...Array.from({ length: totalDays }, (_, i) => i + 1),
];
// Lengkapi sampai kelipatan 7
while (cells.length % 7 !== 0) cells.push(null);
return (
<Modal visible={visible} transparent animationType="fade" onRequestClose={onClose}>
<TouchableOpacity style={s.overlay} activeOpacity={1} onPress={onClose}>
<TouchableOpacity activeOpacity={1} style={s.card} onPress={() => {}}>
{/* Judul */}
<Text style={s.title}>{title}</Text>
{/* Nav bulan */}
<View style={s.navRow}>
<TouchableOpacity onPress={prevMonth} style={s.navBtn}>
<Text style={s.navArrow}></Text>
</TouchableOpacity>
<Text style={s.navLabel}>
{BULAN[viewMonth]} {viewYear}
</Text>
<TouchableOpacity onPress={nextMonth} style={s.navBtn}>
<Text style={s.navArrow}></Text>
</TouchableOpacity>
</View>
{/* Header hari */}
<View style={s.weekRow}>
{HARI.map(h => (
<Text key={h} style={[s.weekCell, h === "Min" && { color: "#dc2626" }]}>{h}</Text>
))}
</View>
{/* Grid tanggal */}
<View style={s.grid}>
{cells.map((day, i) => {
if (!day) return <View key={`e${i}`} style={s.dayCell} />;
const iso = `${viewYear}-${String(viewMonth+1).padStart(2,"0")}-${String(day).padStart(2,"0")}`;
const disabled = isDisabled(iso);
const today = isToday(iso);
const sel = isSelected(iso);
const isSun = (firstDay + day - 1) % 7 === 0;
return (
<TouchableOpacity
key={iso}
disabled={disabled}
onPress={() => setSelected(iso)}
style={[
s.dayCell,
sel && s.daySel,
today && !sel && s.dayToday,
]}
>
<Text style={[
s.dayText,
isSun && !sel && { color: "#dc2626" },
today && !sel && { color: "#4f46e5", fontWeight: "700" },
sel && { color: "#fff", fontWeight: "800" },
disabled && { color: "#d1d5db" },
]}>
{day}
</Text>
{today && !sel && <View style={s.todayDot} />}
</TouchableOpacity>
);
})}
</View>
{/* Preview tanggal dipilih */}
<View style={s.previewRow}>
<Text style={s.previewText}>
Dipilih:{" "}
<Text style={s.previewVal}>{toDisplay(selected)}</Text>
</Text>
</View>
{/* Tombol aksi */}
<View style={s.btnRow}>
<TouchableOpacity onPress={onClose} style={s.btnCancel}>
<Text style={s.btnCancelText}>Batal</Text>
</TouchableOpacity>
<TouchableOpacity onPress={() => { onConfirm(selected); onClose(); }} style={s.btnOk}>
<Text style={s.btnOkText}>Pilih</Text>
</TouchableOpacity>
</View>
</TouchableOpacity>
</TouchableOpacity>
</Modal>
);
}
// ─── Styles ───────────────────────────────────────────────────────────────────
const CELL_SIZE = 38;
const s = StyleSheet.create({
overlay: {
flex: 1, backgroundColor: "rgba(0,0,0,0.45)",
justifyContent: "center", alignItems: "center",
},
card: {
backgroundColor: "#fff", borderRadius: 20, padding: 20,
width: 320,
shadowColor: "#000", shadowOffset: { width: 0, height: 8 },
shadowOpacity: 0.18, shadowRadius: 20, elevation: 16,
},
title: {
fontSize: 16, fontWeight: "800", color: "#0f172a",
textAlign: "center", marginBottom: 16,
},
// Nav
navRow: { flexDirection: "row", alignItems: "center", justifyContent: "space-between", marginBottom: 12 },
navBtn: { width: 36, height: 36, borderRadius: 18, backgroundColor: "#f1f5f9", alignItems: "center", justifyContent: "center" },
navArrow: { fontSize: 22, color: "#4f46e5", lineHeight: 26 },
navLabel: { fontSize: 15, fontWeight: "700", color: "#0f172a" },
// Header hari
weekRow: { flexDirection: "row", marginBottom: 6 },
weekCell: { width: CELL_SIZE, textAlign: "center", fontSize: 11, fontWeight: "600", color: "#94a3b8" },
// Grid
grid: { flexDirection: "row", flexWrap: "wrap" },
dayCell: {
width: CELL_SIZE, height: CELL_SIZE,
alignItems: "center", justifyContent: "center",
borderRadius: CELL_SIZE / 2, marginBottom: 2,
},
daySel: { backgroundColor: "#4f46e5" },
dayToday: { borderWidth: 1.5, borderColor: "#4f46e5" },
dayText: { fontSize: 13, color: "#334155" },
todayDot: {
position: "absolute", bottom: 4,
width: 4, height: 4, borderRadius: 2, backgroundColor: "#4f46e5",
},
// Preview
previewRow: {
backgroundColor: "#f8fafc", borderRadius: 10, padding: 10,
marginTop: 12, alignItems: "center",
},
previewText: { fontSize: 12, color: "#64748b" },
previewVal: { fontWeight: "700", color: "#0f172a" },
// Buttons
btnRow: { flexDirection: "row", gap: 10, marginTop: 14 },
btnCancel: { flex: 1, paddingVertical: 12, borderRadius: 12, backgroundColor: "#f1f5f9", alignItems: "center" },
btnCancelText:{ fontSize: 14, color: "#64748b", fontWeight: "600" },
btnOk: { flex: 2, paddingVertical: 12, borderRadius: 12, backgroundColor: "#4f46e5", alignItems: "center" },
btnOkText: { fontSize: 14, color: "#fff", fontWeight: "800" },
});