优化日历模态框，添加日期选择功能，支持最小和最大日期限制，更新国际化文本，改进样式和交互体验

components/simple-calendar.tsx

@@ -1,8 +1,11 @@
 import { ThemedText } from "@/components/themed-text";
+import { IconSymbol } from "@/components/ui/icon-symbol";
 import { Colors } from "@/constants/theme";
 import { useTheme } from "@/context/ThemeContext";
 import React, { useMemo, useState } from "react";
+import { useTranslation } from "react-i18next";
 import { Modal, Pressable, StyleSheet, View } from "react-native";
+import { SafeAreaView } from "react-native-safe-area-context";
 
 interface CalendarModalProps {
   visible: boolean;
@@ -18,11 +21,24 @@ export function CalendarModal({
   onSelectDate,
 }: CalendarModalProps) {
   const { theme } = useTheme();
+  const { i18n } = useTranslation();
   const isDark = theme === "dark";
   const bg = isDark ? "#1C1C1E" : "#FFFFFF";
+  const textColor = isDark ? "#FFFFFF" : "#000000";
+  const subTextColor = isDark ? "#8E8E93" : "#8E8E93";
 
   const [currentMonth, setCurrentMonth] = useState(new Date(selectedDate));
 
+  const today = useMemo(() => new Date(), []);
+  const minDate = useMemo(
+    () => new Date(today.getFullYear() - 1, today.getMonth(), 1),
+    [today]
+  );
+  const maxDate = useMemo(
+    () => new Date(today.getFullYear() + 1, today.getMonth(), 1),
+    [today]
+  );
+
   const daysInMonth = useMemo(() => {
     const year = currentMonth.getFullYear();
     const month = currentMonth.getMonth();
@@ -35,29 +51,49 @@ export function CalendarModal({
     return days;
   }, [currentMonth]);
 
-  const weekDays = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
+  const weekDays = i18n.language.startsWith("zh")
+    ? ["周日", "周一", "周二", "周三", "周四", "周五", "周六"]
+    : ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
 
   // Add empty slots for start of month
   const startDay = daysInMonth[0]?.getDay() || 0;
   const blanks = Array(startDay).fill(null);
 
+  // Calculate padding cells to keep 6 rows (42 cells total)
+  const totalCells = 42;
+  const paddingBlanks = useMemo(() => {
+    const spaceLeft = totalCells - (blanks.length + daysInMonth.length);
+    return spaceLeft > 0 ? Array(spaceLeft).fill(null) : [];
+  }, [blanks.length, daysInMonth.length]);
+
   const handleDayPress = (date: Date) => {
-    onSelectDate(date);
+    onSelectDate(new Date(date));
     onClose();
   };
 
+  const monthTitle = currentMonth.toLocaleString(i18n.language, {
+    month: "long",
+    year: "numeric",
+  });
+
+  const canGoBack = currentMonth > minDate;
+  const canGoForward = currentMonth < maxDate;
+
   return (
     <Modal
       visible={visible}
       transparent
-      animationType="fade"
+      animationType="slide"
       onRequestClose={onClose}
     >
-      <Pressable style={styles.overlay} onPress={onClose}>
-        <View style={[styles.calendarContainer, { backgroundColor: bg }]}>
-          {/* Header */}
+      <View style={styles.overlay}>
+        <Pressable style={styles.dismissArea} onPress={onClose} />
+        <View style={[styles.sheet, { backgroundColor: bg }]}>
+          <SafeAreaView edges={["bottom"]}>
             <View style={styles.header}>
               <Pressable
+                disabled={!canGoBack}
+                style={[styles.navBtn, !canGoBack && { opacity: 0.2 }]}
                 onPress={() =>
                   setCurrentMonth(
                     new Date(
@@ -68,15 +104,17 @@ export function CalendarModal({
                   )
                 }
               >
-              <ThemedText style={styles.navText}>{"<"}</ThemedText>
+                <IconSymbol name="chevron-back" size={24} color={textColor} />
               </Pressable>
-            <ThemedText type="subtitle">
-              {currentMonth.toLocaleString("default", {
-                month: "long",
-                year: "numeric",
-              })}
+
+              <ThemedText type="subtitle" style={styles.titleText}>
+                {monthTitle}
               </ThemedText>
+
+              <View style={styles.headerRight}>
                 <Pressable
+                  disabled={!canGoForward}
+                  style={[styles.navBtn, !canGoForward && { opacity: 0.2 }]}
                   onPress={() =>
                     setCurrentMonth(
                       new Date(
@@ -87,11 +125,18 @@ export function CalendarModal({
                     )
                   }
                 >
-              <ThemedText style={styles.navText}>{">"}</ThemedText>
+                  <IconSymbol
+                    name="chevron-forward"
+                    size={24}
+                    color={textColor}
+                  />
+                </Pressable>
+                <Pressable style={styles.closeBtn} onPress={onClose}>
+                  <IconSymbol name="close" size={24} color={subTextColor} />
                 </Pressable>
               </View>
+            </View>
 
-          {/* Week Headers */}
             <View style={styles.weekRow}>
               {weekDays.map((day) => (
                 <ThemedText key={day} style={styles.weekDayText}>
@@ -100,7 +145,6 @@ export function CalendarModal({
               ))}
             </View>
 
-          {/* Days Grid */}
             <View style={styles.daysGrid}>
               {blanks.map((_, index) => (
                 <View key={`blank-${index}`} style={styles.dayCell} />
@@ -110,6 +154,10 @@ export function CalendarModal({
                   date.getDate() === selectedDate.getDate() &&
                   date.getMonth() === selectedDate.getMonth() &&
                   date.getFullYear() === selectedDate.getFullYear();
+
+                const isToday =
+                  new Date().toDateString() === date.toDateString();
+
                 return (
                   <Pressable
                     key={date.toISOString()}
@@ -117,14 +165,16 @@ export function CalendarModal({
                       styles.dayCell,
                       isSelected && {
                         backgroundColor: Colors[theme].tint,
-                      borderRadius: 20,
+                        borderRadius: 12,
                       },
                     ]}
                     onPress={() => handleDayPress(date)}
                   >
                     <ThemedText
                       style={[
+                        styles.dayText,
                         isSelected && { color: "#fff", fontWeight: "bold" },
+                        !isSelected && isToday && { color: Colors[theme].tint },
                       ]}
                     >
                       {date.getDate()}
@@ -132,13 +182,14 @@ export function CalendarModal({
                   </Pressable>
                 );
               })}
+              {/* Add padding blanks to keep constant height (6 rows) */}
+              {paddingBlanks.map((_, index) => (
+                <View key={`pad-blank-${index}`} style={styles.dayCell} />
+              ))}
+            </View>
+          </SafeAreaView>
         </View>
-
-          <Pressable style={styles.closeBtn} onPress={onClose}>
-            <ThemedText>Close</ThemedText>
-          </Pressable>
       </View>
-      </Pressable>
     </Modal>
   );
 }
@@ -146,49 +197,65 @@ export function CalendarModal({
 const styles = StyleSheet.create({
   overlay: {
     flex: 1,
-    backgroundColor: "rgba(0,0,0,0.5)",
-    justifyContent: "center",
-    padding: 20,
+    backgroundColor: "rgba(0,0,0,0.4)",
+    justifyContent: "flex-end",
   },
-  calendarContainer: {
-    borderRadius: 16,
-    padding: 20,
+  dismissArea: {
+    flex: 1,
+  },
+  sheet: {
+    borderTopLeftRadius: 20,
+    borderTopRightRadius: 20,
+    paddingHorizontal: 16,
+    paddingTop: 12,
+    paddingBottom: 20,
   },
   header: {
     flexDirection: "row",
     justifyContent: "space-between",
     alignItems: "center",
     marginBottom: 20,
+    height: 44,
   },
-  navText: {
-    fontSize: 20,
-    padding: 10,
+  titleText: {
+    fontSize: 18,
+    fontWeight: "600",
+  },
+  headerRight: {
+    flexDirection: "row",
+    alignItems: "center",
+    gap: 12,
+  },
+  navBtn: {
+    padding: 8,
+  },
+  closeBtn: {
+    padding: 8,
   },
   weekRow: {
     flexDirection: "row",
     justifyContent: "space-around",
-    marginBottom: 10,
+    marginBottom: 16,
   },
   weekDayText: {
-    opacity: 0.5,
-    width: 30,
+    color: "#8E8E93",
+    width: 44,
     textAlign: "center",
-    fontSize: 12,
+    fontSize: 14,
   },
   daysGrid: {
     flexDirection: "row",
     flexWrap: "wrap",
+    paddingBottom: 20,
   },
   dayCell: {
-    width: "14.28%", // 100% / 7
+    width: "14.28%",
     aspectRatio: 1,
     justifyContent: "center",
     alignItems: "center",
-    marginBottom: 5,
+    marginBottom: 4,
   },
-  closeBtn: {
-    alignItems: "center",
-    marginTop: 20,
-    padding: 10,
+  dayText: {
+    fontSize: 16,
   },
 });