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keyBoard/Class/Vender/BMLongPressDragCellCollectionView/BMLongPressDragCellCollectionView.h

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+//    MIT License
+//
+//    Copyright (c) 2019 https://liangdahong.com
+//
+//    Permission is hereby granted, free of charge, to any person obtaining a copy
+//    of this software and associated documentation files (the "Software"), to deal
+//    in the Software without restriction, including without limitation the rights
+//    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//    copies of the Software, and to permit persons to whom the Software is
+//    furnished to do so, subject to the following conditions:
+//
+//    The above copyright notice and this permission notice shall be included in all
+//    copies or substantial portions of the Software.
+//
+//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//    SOFTWARE.
+
+////////////////////
+/// v3.1.4
+////////////////////
+
+#import <UIKit/UIKit.h>
+#import "BMLongPressDragCellCollectionViewDelegate.h"
+#import "BMLongPressDragCellCollectionViewDataSource.h"
+
+/*
+ - (NSArray<NSArray<id> *> *)dataSourceWithDragCellCollectionView:(__kindof BMLongPressDragCellCollectionView *)dragCellCollectionView {
+     return self.dataSourceArray;
+     // 此协议方法里返回数据源
+ }
+
+ - (void)dragCellCollectionView:(__kindof BMLongPressDragCellCollectionView *)dragCellCollectionView newDataArrayAfterMove:(nullable NSArray <NSArray <id> *> *)newDataArray {
+     self.dataSourceArray = [newDataArray mutableCopy];
+     // 此协议方法里保存数据源
+ }
+ */
+@interface BMLongPressDragCellCollectionView : UICollectionView
+
+@property (nonatomic, weak) id<BMLongPressDragCellCollectionViewDelegate> delegate;
+@property (nonatomic, weak) id<BMLongPressDragCellCollectionViewDataSource> dataSource;
+
+/// 长按触发拖拽所需时间，默认是 0.5 秒。
+@property (nonatomic, assign) NSTimeInterval minimumPressDuration;
+
+/// 是否可以拖拽 默认为 YES。
+@property (nonatomic, assign, getter=isCanDrag) IBInspectable BOOL canDrag;
+
+/// 长按拖拽时拖拽中的的 Cell 缩放比例，默认是 1.2 倍。
+@property (nonatomic, assign) IBInspectable CGFloat dragZoomScale;
+
+/// 拖拽的 Cell 在拖拽移动时的透明度 默认是： 1.0 不透明。
+@property (nonatomic, assign) IBInspectable CGFloat dragCellAlpha;
+
+/// 拖拽到 UICollectionView 边缘时 UICollectionView 的滚动速度
+/// 默认为: 8.0f ，建议设置 5.0f 到 15.0f 之间。
+@property (nonatomic, assign) IBInspectable CGFloat dragSpeed;
+
+/// 拖拽 View 的背景颜色，默认和被拖拽的 Cell 一样。
+@property (nonatomic, strong) IBInspectable UIColor *dragSnapedViewBackgroundColor;
+
+/// 移动到指定位置
+/// @param indexPath 移动到的位置
+/// 内部只会处理当前正在拖拽的情况，会把拖拽的 Cell 移动到指定位置，建议在停止手势时或者认为适当的时候使用。
+- (void)dragMoveItemToIndexPath:(NSIndexPath *)indexPath;
+
+@end