2

keyBoard/Class/AiTalk/VC/KBAIMessageChatingVC.m

@@ -9,12 +9,18 @@
 #import "AiVM.h"
 #import "KBChattedCompanionModel.h"
 #import "KBHUD.h"
+#import <Masonry/Masonry.h>
 
 @interface KBAIMessageChatingVC ()
 
 @property (nonatomic, strong) AiVM *viewModel;
 @property (nonatomic, strong) NSMutableArray<KBChattedCompanionModel *> *chattedList;
 
+/// 删除按钮
+@property (nonatomic, strong) UIButton *deleteButton;
+/// 当前长按的 indexPath
+@property (nonatomic, strong) NSIndexPath *longPressIndexPath;
+
 @end
 
 @implementation KBAIMessageChatingVC
@@ -24,6 +30,138 @@
 - (void)viewDidLoad {
     self.listType = 1; // Chatting
     [super viewDidLoad];
+    
+    // 添加长按手势
+    [self setupLongPressGesture];
+    
+    // 添加点击手势，用于隐藏删除按钮
+    UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleTapGesture:)];
+    tapGesture.cancelsTouchesInView = NO; // 不影响 cell 的点击
+    [self.tableView addGestureRecognizer:tapGesture];
+}
+
+#pragma mark - 手势处理
+
+- (void)setupLongPressGesture {
+    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPress:)];
+    longPress.minimumPressDuration = 0.5; // 长按0.5秒
+    [self.tableView addGestureRecognizer:longPress];
+}
+
+- (void)handleLongPress:(UILongPressGestureRecognizer *)gesture {
+    if (gesture.state == UIGestureRecognizerStateBegan) {
+        CGPoint point = [gesture locationInView:self.tableView];
+        NSIndexPath *indexPath = [self.tableView indexPathForRowAtPoint:point];
+        
+        if (indexPath) {
+            self.longPressIndexPath = indexPath;
+            
+            // 在手指位置显示删除按钮
+            [self showDeleteButtonAtPoint:point];
+        }
+    }
+}
+
+- (void)handleTapGesture:(UITapGestureRecognizer *)gesture {
+    // 点击其他地方隐藏删除按钮
+    if (self.deleteButton && !self.deleteButton.hidden) {
+        CGPoint point = [gesture locationInView:self.view];
+        CGPoint buttonPoint = [gesture locationInView:self.deleteButton];
+        
+        // 如果点击的不是删除按钮，则隐藏
+        if (!CGRectContainsPoint(self.deleteButton.bounds, buttonPoint)) {
+            [self hideDeleteButton];
+        }
+    }
+}
+
+- (void)showDeleteButtonAtPoint:(CGPoint)point {
+    // 隐藏之前的按钮
+    [self hideDeleteButton];
+    
+    // 创建删除按钮
+    if (!self.deleteButton) {
+        self.deleteButton = [UIButton buttonWithType:UIButtonTypeCustom];
+        [self.deleteButton setTitle:@"删除此记录" forState:UIControlStateNormal];
+        [self.deleteButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
+        self.deleteButton.titleLabel.font = [UIFont systemFontOfSize:14];
+        self.deleteButton.backgroundColor = [UIColor colorWithRed:244/255.0 green:67/255.0 blue:54/255.0 alpha:1.0]; // #F44336
+        self.deleteButton.layer.cornerRadius = 6;
+        self.deleteButton.layer.masksToBounds = YES;
+        [self.deleteButton addTarget:self action:@selector(deleteButtonTapped) forControlEvents:UIControlEventTouchUpInside];
+        
+        // 添加阴影效果
+        self.deleteButton.layer.shadowColor = [UIColor blackColor].CGColor;
+        self.deleteButton.layer.shadowOffset = CGSizeMake(0, 2);
+        self.deleteButton.layer.shadowOpacity = 0.3;
+        self.deleteButton.layer.shadowRadius = 4;
+    }
+    
+    // 添加到父视图（确保在最上层）
+    [self.view addSubview:self.deleteButton];
+    
+    // 设置按钮大小和位置
+    CGSize buttonSize = CGSizeMake(110, 40);
+    
+    // 将 tableView 的坐标转换为父视图坐标
+    CGPoint pointInView = [self.tableView convertPoint:point toView:self.view];
+    
+    // 计算按钮位置，确保不超出屏幕
+    CGFloat buttonX = pointInView.x - buttonSize.width / 2;
+    CGFloat buttonY = pointInView.y - buttonSize.height - 10; // 在手指上方10px
+    
+    // 边界检查
+    CGFloat margin = 10;
+    if (buttonX < margin) {
+        buttonX = margin;
+    } else if (buttonX + buttonSize.width > self.view.bounds.size.width - margin) {
+        buttonX = self.view.bounds.size.width - buttonSize.width - margin;
+    }
+    
+    if (buttonY < KB_NAV_TOTAL_HEIGHT + margin) {
+        // 如果上方空间不够，显示在手指下方
+        buttonY = pointInView.y + 10;
+    }
+    
+    [self.deleteButton mas_remakeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(self.view).offset(buttonX);
+        make.top.equalTo(self.view).offset(buttonY);
+        make.width.mas_equalTo(buttonSize.width);
+        make.height.mas_equalTo(buttonSize.height);
+    }];
+    
+    self.deleteButton.hidden = NO;
+    
+    // 添加弹出动画
+    self.deleteButton.transform = CGAffineTransformMakeScale(0.3, 0.3);
+    self.deleteButton.alpha = 0;
+    [UIView animateWithDuration:0.2 delay:0 usingSpringWithDamping:0.7 initialSpringVelocity:0.5 options:UIViewAnimationOptionCurveEaseOut animations:^{
+        self.deleteButton.transform = CGAffineTransformIdentity;
+        self.deleteButton.alpha = 1.0;
+    } completion:nil];
+}
+
+- (void)hideDeleteButton {
+    if (self.deleteButton) {
+        [UIView animateWithDuration:0.15 animations:^{
+            self.deleteButton.alpha = 0;
+            self.deleteButton.transform = CGAffineTransformMakeScale(0.8, 0.8);
+        } completion:^(BOOL finished) {
+            self.deleteButton.hidden = YES;
+            [self.deleteButton removeFromSuperview];
+        }];
+    }
+    self.longPressIndexPath = nil;
+}
+
+- (void)deleteButtonTapped {
+    if (self.longPressIndexPath) {
+        // 隐藏按钮
+        [self hideDeleteButton];
+        
+        // 执行删除
+        [self deleteItemAtIndexPath:self.longPressIndexPath];
+    }
 }
 
 #pragma mark - 2：数据加载