//
//  CGXVerticalMenuCollectionView.h
//  CGXVerticalMenuView-OC
//
//  Created by CGX on 2018/05/01.
//  Copyright © 2019 CGX. All rights reserved.
//

#import <UIKit/UIKit.h>
#import "CGXVerticalMenuCollectionSectionModel.h"
#import "CGXVerticalMenuCollectionItemModel.h"

#import "CGXVerticalMenuCustomCollectionView.h"
NS_ASSUME_NONNULL_BEGIN
@class CGXVerticalMenuCollectionView;

@protocol CGXVerticalMenuCollectionViewDataSouce <NSObject>

@optional
/** 如果你需要自定义cell样式，请在实现此代理方法返回你的自定义cell的class。 */
- (Class)customcategoryRightViewCollectionViewCellClass;

/** 如果你需要自定义cell样式，请在实现此代理方法返回你的自定义cell的Nib。 */
- (Class)customcategoryRightViewCollectionViewCellNib;
/**
 每个分区自定义cell
 */
- (UICollectionViewCell *)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView cellForItemAtIndexPath:(NSIndexPath *)indexPath;
/**
 每个分区头自定义view
 */
- (UICollectionReusableView *)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView KindHeadAtIndexPath:(NSIndexPath *)indexPath;
/**
 每个分区脚自定义view
 */
- (UICollectionReusableView *)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView KindFootAtIndexPath:(NSIndexPath *)indexPath;
/**
 每个分区背景颜色  默认背景色
 */
- (UIColor *)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView BackgroundColorForSection:(NSInteger)section;
/**
 每个分区的高度 不实现  默认宽高相等
 */
- (CGFloat)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView sizeForItemAtSection:(NSInteger)section ItemWidth:(CGFloat)itemWidth;

@end

@protocol CGXVerticalMenuCollectionViewDelegate <NSObject>


@optional

/**
 点击选中的情况才会调用该方法
 
 @param categoryView categoryView description
 @param indexPath 选中的index
 */
- (void)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView didClickSelectedItemAtIndexPath:(NSIndexPath *)indexPath;
/**
 背景图点击事件
 @param categoryView categoryView description
 @param indexPath 点击背景图的indexPath
 */
- (void)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView didSelectDecorationViewAtIndexPath:(NSIndexPath *)indexPath;

- (void)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView dropUpDownDidChanged:(CGPoint)contentOffset;

/**滚动情况才会调用该方法*/
- (void)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView
      ScrollViewDidScroll:(UIScrollView *)scrollView;

// CollectionView分区标题即将展示
- (void)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView willDisplaySupplementaryView:(UICollectionReusableView *)view
           forElementKind:(NSString *)elementKind
              atIndexPath:(NSIndexPath *)indexPath;
// CollectionView分区标题展示结束
- (void)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView didEndDisplayingSupplementaryView:(UICollectionReusableView *)view
         forElementOfKind:(NSString *)elementKind
              atIndexPath:(NSIndexPath *)indexPath;


-(void)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView scrollViewWillBeginDragging:(UIScrollView *)scrollView;
-(void)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView scrollViewDidEndScrollingAnimation:(UIScrollView *)scrollView;

-(void)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate;
-(void)categoryRightView:(CGXVerticalMenuCollectionView *)categoryView scrollViewDidEndDecelerating:(UIScrollView *)scrollView;

@end

@interface CGXVerticalMenuCollectionView : UIView<UICollectionViewDataSource,UICollectionViewDelegate,UICollectionViewDelegateFlowLayout>

@property (nonatomic, strong,readonly) CGXVerticalMenuCustomCollectionView *collectionView;

@property (nonatomic, strong,readonly) NSMutableArray <CGXVerticalMenuCollectionSectionModel *> *dataArray;

@property (nonatomic, weak) id<CGXVerticalMenuCollectionViewDelegate> delegate;
@property (nonatomic, weak) id<CGXVerticalMenuCollectionViewDataSouce> dataSouce;

/*
 自定义cell 必须实现
 */
- (void)registerCell:(Class)classCell IsXib:(BOOL)isXib;

- (void)updateRightWithDataArray:(NSMutableArray<CGXVerticalMenuCollectionSectionModel *> *)dataArray;

@end

NS_ASSUME_NONNULL_END