2

2025-11-10 20:40:11 +08:00
parent a007a77db9
commit dc0c55c495
10 changed files with 1419 additions and 0 deletions
--- a/keyBoard/Class/Vender/BMLongPressDragCellCollectionView/BMLongPressDragCellCollectionViewDelegate.h
+++ b/keyBoard/Class/Vender/BMLongPressDragCellCollectionView/BMLongPressDragCellCollectionViewDelegate.h
@@ -0,0 +1,98 @@
+//    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.
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class BMLongPressDragCellCollectionView;
+
+@protocol BMLongPressDragCellCollectionViewDelegate <UICollectionViewDelegateFlowLayout>
+
+@required
+
+/**
+ Cell 有交换时调用
+ 
+ @param dragCellCollectionView dragCellCollectionView
+ @param newDataArray 最新的数据源，需要使用者保存，在拖拽的时候 Cell 已经移动，需保存最新的数据源
+
+ - (void)dragCellCollectionView:(__kindof BMLongPressDragCellCollectionView *)dragCellCollectionView newDataArrayAfterMove:(nullable NSArray <NSArray <id> *> *)newDataArray  {
+    self.dataArray = [newDataArray copy];
+ }
+ */
+- (void)dragCellCollectionView:(__kindof BMLongPressDragCellCollectionView *)dragCellCollectionView newDataArrayAfterMove:(nullable NSArray <NSArray <id> *> *)newDataArray;
+
+@optional
+
+/**
+ 将要开始拖拽时，询问此位置的 Cell 是否能拖拽
+ 
+ @param dragCellCollectionView dragCellCollectionView
+ @param indexPath indexPath
+ @return YES: 正常拖拽和移动 NO:此 Cell 不可拖拽，如：增加按钮等。
+ */
+- (BOOL)dragCellCollectionViewShouldBeginMove:(__kindof BMLongPressDragCellCollectionView *)dragCellCollectionView indexPath:(NSIndexPath *)indexPath;
+
+/**
+ 将要开始拖拽时，向外面获取需要拖拽的 View，如果不实现就内部自动处理。
+
+ @param dragCellCollectionView dragCellCollectionView
+ @param indexPath indexPath
+ @return dragView
+ */
+- (UIView *)dragCellCollectionView:(__kindof BMLongPressDragCellCollectionView *)dragCellCollectionView startDragAtIndexPath:(NSIndexPath *)indexPath;
+
+/// 开始拖拽时，让外面的使用者可以对拖拽的 View 做额外操作
+/// @param dragCellCollectionView dragCellCollectionView
+/// @param dragView dragView
+/// @param indexPath indexPath
+- (void)dragCellCollectionView:(__kindof BMLongPressDragCellCollectionView *)dragCellCollectionView dragView:(UIView *)dragView indexPath:(NSIndexPath *)indexPath;
+
+/// 正在拖拽时
+/// @param dragCellCollectionView dragCellCollectionView
+/// @param point 手指触摸点对于 collectionView 的位置
+/// 可以参考 https://github.com/liangdahong/ToutiaoDemo/blob/master/ToutiaoDemo/Classes/Edit/Controller/BMChannelEditVC.m 的使用
+- (void)dragCellCollectionView:(__kindof BMLongPressDragCellCollectionView *)dragCellCollectionView changedDragAtPoint:(CGPoint)point;
+
+/// cell 将要交换时，询问是否能交换
+/// @param dragCellCollectionView dragCellCollectionView
+/// @param sourceIndexPath 原来的 IndexPath
+/// @param destinationIndexPath 将要交换的 IndexPath
+/// YES: 正常拖拽和移动 NO:此Cell不可拖拽，如：增加按钮等。
+- (BOOL)dragCellCollectionViewShouldBeginExchange:(__kindof BMLongPressDragCellCollectionView *)dragCellCollectionView sourceIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath;
+
+/// 结束交换时
+/// @param dragCellCollectionView dragCellCollectionView
+/// @param sourceIndexPath 原来的 IndexPath
+/// @param destinationIndexPath 被交换的 IndexPath
+- (void)dragCellCollectionViewShouldEndExchange:(__kindof BMLongPressDragCellCollectionView *)dragCellCollectionView sourceIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath;
+
+/// 结束拖拽时
+/// @param dragCellCollectionView dragCellCollectionView
+/// @param point 手指触摸点对于 collectionView 的位置
+/// 可以参考 https://github.com/liangdahong/ToutiaoDemo/blob/master/ToutiaoDemo/Classes/Edit/Controller/BMChannelEditVC.m 的使用
+- (void)dragCellCollectionView:(__kindof BMLongPressDragCellCollectionView *)dragCellCollectionView endedDragAtPoint:(CGPoint)point;
+
+@end
+
+NS_ASSUME_NONNULL_END