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* PostDetailHeader - 帖子详情顶部栏
*
* 包含：返回按钮、标题、编辑/删除操作
*/
import React, { memo, useState } from 'react';
import {
Alert,
Modal,
Pressable,
StyleSheet,
View,
Text as RNText,
TouchableOpacity,
} from 'react-native';
import { ChevronLeft, MoreHorizontal, Edit3, Trash2, Flag, Share2, X } from '@tamagui/lucide-icons';
import { styled, XStack, YStack } from 'tamagui';
export interface PostDetailHeaderProps {
/** 是否为帖子作者 */
isAuthor: boolean;
/** 关闭详情页 */
onClose: () => void;
/** 编辑帖子 */
onEdit?: () => void;
/** 删除帖子 */
onDelete?: () => void;
/** 分享帖子 */
onShare?: () => void;
}
// 样式组件
const HeaderContainer = styled(XStack, {
name: 'PostDetailHeader',
alignItems: 'center',
justifyContent: 'space-between',
paddingHorizontal: 8,
paddingVertical: 8,
backgroundColor: '#fff',
borderBottomWidth: 0.5,
borderBottomColor: 'rgba(0, 0, 0, 0.06)',
});
const IconButton = styled(XStack, {
name: 'IconButton',
width: 44,
height: 44,
borderRadius: 22,
alignItems: 'center',
justifyContent: 'center',
pressStyle: {
backgroundColor: 'rgba(0, 0, 0, 0.04)',
scale: 0.96,
},
});
const CenterPlaceholder = styled(YStack, {
name: 'CenterPlaceholder',
flex: 1,
});
/**
* 帖子详情顶部栏组件 - 极简设计
*/
function PostDetailHeaderComponent({
isAuthor,
onClose,
onEdit,
onDelete,
onShare,
}: PostDetailHeaderProps) {
const [modalVisible, setModalVisible] = useState(false);
const handleDelete = () => {
setModalVisible(false);
Alert.alert('删除帖子', '确定要删除这篇帖子吗？此操作不可撤销。', [
{ text: '取消', style: 'cancel' },
{
text: '删除',
style: 'destructive',
onPress: () => onDelete?.(),
},
]);
};
const handleEdit = () => {
setModalVisible(false);
onEdit?.();
};
const handleShare = () => {
setModalVisible(false);
onShare?.();
};
return (
<>
<HeaderContainer>
{/* 返回按钮 */}
<IconButton onPress={onClose}>
<ChevronLeft size={26} color="#1a1a1a" strokeWidth={2} />
</IconButton>
{/* 中间留白 */}
<CenterPlaceholder />
{/* 更多选项按钮 */}
<IconButton onPress={() => setModalVisible(true)}>
<MoreHorizontal size={24} color="#1a1a1a" />
</IconButton>
</HeaderContainer>
{/* 底部弹出菜单 - 使用 React Native Modal */}
<Modal
visible={modalVisible}
transparent
animationType="none"
onRequestClose={() => setModalVisible(false)}
>
<Pressable style={styles.modalOverlay} onPress={() => setModalVisible(false)}>
<Pressable style={styles.sheetContainer} onPress={(e) => e.stopPropagation()}>
{/* 拖拽指示条 */}
<View style={styles.handle} />
{/* 分享 */}
<TouchableOpacity style={styles.menuItem} onPress={handleShare} activeOpacity={0.7}>
<Share2 size={22} color="#1a1a1a" />
<RNText style={styles.menuText}>分享帖子</RNText>
</TouchableOpacity>
{isAuthor ? (
<>
{/* 编辑 */}
<TouchableOpacity style={styles.menuItem} onPress={handleEdit} activeOpacity={0.7}>
<Edit3 size={22} color="#1a1a1a" />
<RNText style={styles.menuText}>编辑帖子</RNText>
</TouchableOpacity>
<View style={styles.divider} />
{/* 删除 */}
<TouchableOpacity
style={styles.menuItem}
onPress={handleDelete}
activeOpacity={0.7}
>
<Trash2 size={22} color="#ff3b30" />
<RNText style={styles.dangerText}>删除帖子</RNText>
</TouchableOpacity>
</>
) : (
<>
<View style={styles.divider} />
{/* 举报 */}
<TouchableOpacity
style={styles.menuItem}
onPress={() => setModalVisible(false)}
activeOpacity={0.7}
>
<Flag size={22} color="#ff9500" />
<RNText style={styles.warningText}>举报内容</RNText>
</TouchableOpacity>
</>
)}
{/* 取消按钮 */}
<TouchableOpacity
style={styles.cancelButton}
onPress={() => setModalVisible(false)}
activeOpacity={0.7}
>
<RNText style={styles.cancelText}>取消</RNText>
</TouchableOpacity>
</Pressable>
</Pressable>
</Modal>
</>
);
}
const styles = StyleSheet.create({
modalOverlay: {
flex: 1,
backgroundColor: 'rgba(0, 0, 0, 0.4)',
justifyContent: 'flex-end',
},
sheetContainer: {
backgroundColor: '#fff',
borderTopLeftRadius: 20,
borderTopRightRadius: 20,
paddingBottom: 34,
paddingTop: 8,
},
handle: {
width: 36,
height: 4,
borderRadius: 2,
backgroundColor: 'rgba(0, 0, 0, 0.12)',
alignSelf: 'center',
marginBottom: 8,
},
menuItem: {
flexDirection: 'row',
alignItems: 'center',
paddingVertical: 16,
paddingHorizontal: 20,
gap: 16,
},
menuText: {
fontSize: 16,
color: '#1a1a1a',
fontWeight: '500',
},
dangerText: {
fontSize: 16,
color: '#ff3b30',
fontWeight: '500',
},
warningText: {
fontSize: 16,
color: '#ff9500',
fontWeight: '500',
},
divider: {
height: 0.5,
backgroundColor: 'rgba(0, 0, 0, 0.08)',
marginVertical: 4,
},
cancelButton: {
marginTop: 8,
marginHorizontal: 16,
paddingVertical: 14,
backgroundColor: '#f5f5f5',
borderRadius: 12,
alignItems: 'center',
},
cancelText: {
fontSize: 16,
color: '#666',
fontWeight: '600',
},
});
export const PostDetailHeader = memo(PostDetailHeaderComponent);
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