完成

QXLive/活动/巡乐会/QXMeetLotteryView.m

@@ -0,0 +1,171 @@
+//
+//  QXMeetLotteryView.m
+//  QXLive
+//
+//  Created by 启星 on 2025/9/2.
+//
+
+#import "QXMeetLotteryView.h"
+#import <objc/runtime.h>
+
+@interface QXMeetLotteryView ()<UIScrollViewDelegate>
+@property (nonatomic, strong) UIScrollView *scrollView;
+@property (nonatomic, assign) CGFloat itemWidth;
+@property (nonatomic, assign) CGFloat itemSpace;
+@property (nonatomic, assign) CGFloat targetOffset;
+@property (nonatomic, assign) CGFloat maxWidth;
+@end
+
+@implementation QXMeetLotteryView
+
+- (instancetype)initWithFrame:(CGRect)frame {
+    self = [super initWithFrame:frame];
+    if (self) {
+        [self setup];
+    }
+    return self;
+}
+
+- (void)setup {
+    
+    // 创建scrollView
+    self.scrollView = [[UIScrollView alloc] initWithFrame:self.bounds];
+    self.scrollView.delegate = self;
+    self.scrollView.showsHorizontalScrollIndicator = NO;
+    self.scrollView.showsVerticalScrollIndicator = NO;
+    self.scrollView.scrollEnabled = NO;
+    self.scrollView.decelerationRate = UIScrollViewDecelerationRateFast;
+    [self addSubview:self.scrollView];
+    _itemSpace = 25;
+    _itemWidth = (self.scrollView.bounds.size.width - _itemSpace*2)/3;
+    
+}
+-(void)resetToFirstItem{
+//    [UIView animateWithDuration:6 animations:^{
+        [self.scrollView setContentOffset:CGPointZero animated:NO];
+//    }];
+}
+-(void)setPrizes:(NSArray *)prizes{
+    _prizes = prizes;
+    for (UIView *v in self.scrollView.subviews) {
+        [v removeFromSuperview];
+    }
+    NSInteger itemMultiple = 1;
+    if (_prizes.count == 0) {
+        return;
+    }
+    itemMultiple = 70/prizes.count;
+    CGFloat maxWidth = 0;
+    for (int i = 0; i < _prizes.count*itemMultiple+1; i++) {
+        QXMeetLotterySubView *giftView = [[QXMeetLotterySubView alloc] initWithFrame:CGRectMake((_itemWidth+_itemSpace)*i, 20, _itemWidth, self.scrollView.bounds.size.height-40)];
+        giftView.model = self.prizes[i%self.prizes.count];
+        [self.scrollView addSubview:giftView];
+        maxWidth = (_itemWidth+_itemSpace)*i+_itemWidth;
+        _maxWidth = maxWidth;
+    }
+    self.scrollView.contentSize = CGSizeMake(maxWidth, self.scrollView.bounds.size.height);
+}
+
+
+-(void)setFinalPrizeIndex:(NSInteger)finalPrizeIndex{
+    _finalPrizeIndex = finalPrizeIndex;
+    _targetOffset = [self getTargetIndexOffset];
+}
+
+-(void)startLotteryAnimation{
+    [self.scrollView setContentOffset:CGPointZero animated:NO];
+    MJWeakSelf
+    [UIView animateWithDuration:6 delay:0 options:UIViewAnimationOptionCurveEaseInOut  animations:^{
+//        [weakSelf.scrollView setContentOffset:CGPointMake(self.targetOffset-self.scrollView.bounds.size.width, 0) animated:NO];
+        [weakSelf.scrollView setContentOffset:CGPointMake(self.targetOffset, 0) animated:NO];
+    } completion:^(BOOL finished) {
+//        [UIView animateWithDuration:3 delay:0 options:UIViewAnimationOptionCurveLinear animations:^{
+//            [weakSelf.scrollView setContentOffset:CGPointMake(self.targetOffset, 0) animated:NO];
+//        } completion:^(BOOL finished) {
+            if (weakSelf.delegate && [weakSelf.delegate respondsToSelector:@selector(lotteryWheelDidStopAtIndex:)]) {
+                [weakSelf.delegate lotteryWheelDidStopAtIndex:weakSelf.finalPrizeIndex];
+            }
+//        }];
+    }];
+    
+    
+}
+-(void)scrollViewDidScroll:(UIScrollView *)scrollView{
+  
+}
+
+-(CGFloat)getTargetIndexOffset{
+    CGFloat targetOffset = 0;
+    targetOffset = self.maxWidth-(self.itemSpace+self.itemWidth)*(3+(self.prizes.count-(self.finalPrizeIndex+1)))+self.itemSpace;
+    return targetOffset;
+}
+
+- (void)stopAnimation {
+}
+
+@end
+
+
+@implementation QXMeetLotterySubView
+
+- (instancetype)initWithFrame:(CGRect)frame {
+    if (self = [super initWithFrame:frame]) {
+        [self initSubViews];
+    }
+    return self;
+}
+-(void)setModel:(QXDrawGiftModel *)model{
+    _model = model;
+    [self.giftImageView sd_setImageWithURL:[NSURL URLWithString:model.base_image]];
+    self.giftNameLabel.text = model.gift_name;
+    [self.giftCoinBtn setTitle:[NSString stringWithFormat:@" %@",model.gift_price] forState:(UIControlStateNormal)];
+}
+-(void)initSubViews{
+    self.giftBgImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"ac_cycle_gift_bg"]];
+    [self addSubview:self.giftBgImageView];
+    [self.giftBgImageView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.edges.equalTo(self);
+    }];
+    
+    self.giftImageView = [[UIImageView alloc] init];
+    self.giftImageView.contentMode = UIViewContentModeScaleAspectFit;
+    [self addSubview:self.giftImageView];
+    [self.giftImageView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.mas_equalTo(25);
+        make.width.mas_equalTo(ScaleWidth(80));
+        make.height.mas_equalTo(ScaleWidth(80));
+        make.centerX.equalTo(self);
+    }];
+    
+    
+    self.giftNameBgImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"ac_meet_gift_name_bg"]];
+    self.giftNameBgImageView.contentMode = UIViewContentModeScaleToFill;
+    [self addSubview:self.giftNameBgImageView];
+    [self.giftNameBgImageView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.right.equalTo(self);
+        make.bottom.mas_equalTo(-32);
+        make.height.mas_equalTo(30);
+    }];
+    
+    self.giftNameLabel = [[UILabel alloc] init];
+    self.giftNameLabel.textColor = RGB16(0xffffff);
+    self.giftNameLabel.font = [UIFont systemFontOfSize:12];
+    self.giftNameLabel.textAlignment = NSTextAlignmentCenter;
+    [self addSubview:self.giftNameLabel];
+    [self.giftNameLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.left.right.equalTo(self.giftNameBgImageView);
+        make.height.mas_equalTo(15);
+    }];
+    
+    self.giftCoinBtn = [[UIButton alloc] initWithFrame:CGRectMake(self.giftImageView.left, self.giftNameLabel.bottom, self.giftImageView.width, 15)];
+    [self.giftCoinBtn setTitleColor:RGB16(0xC7BF62) forState:(UIControlStateNormal)];
+    [self.giftCoinBtn setImage:[UIImage imageNamed:@"sky_item_coin"] forState:(UIControlStateNormal)];
+    self.giftCoinBtn.titleLabel.font = [UIFont systemFontOfSize:10];
+    [self addSubview:self.giftCoinBtn];
+    [self.giftCoinBtn mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.bottom.left.right.equalTo(self.giftNameBgImageView);
+        make.height.mas_equalTo(15);
+    }];
+}
+
+@end