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I have a tableview.In that tableview I need to display collection view in different sections.I took proto type tableview cell and I displayed collection view.I used same collection view for different sections in that tableview. when I clicked collection view cell I got the collection view section and indexPath but how can I get the tableview section and indexPath row?
我有一个tableview。在那个tableview中我需要在不同的部分显示集合视图。我使用了proto类型的tableview单元格并且我显示了集合视图。我对该tableview中的不同部分使用了相同的集合视图。当我单击集合视图单元格时，我得到了集合视图部分和indexPath但是如何获取tableview部分和indexPath行？
#pragma mark- UITableView Delegate & Datasource methods
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
if (section == 0) {
return 1;
}
else if (section == 1) {
return 1;
}
else if (section == 2) {
return 1;
}
else
return 1;
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
return 4;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
if (indexPath.section == 0) {
return 128;
}
else if (indexPath.section == 1) {
return 321;
}
else if (indexPath.section == 2) {
return 321;
}
else
return 262;
}
- (nullable NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
NSString *sectionName;
switch (section) {
case 0:
sectionName = @"";
break;
case 1:
sectionName = @"Features Products";
break;
case 2:
sectionName = @"New Products";
break;
case 3:
sectionName = @"";
break;
default:
break;
}
return sectionName;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
FeaturesTableViewCell *featureCell;
CustomTableViewCell *cell;
CustomTableViewCell *normalCell;
FashionTableViewCell *fashionCell;
if (indexPath.section==0) {
featureCell = [tableView dequeueReusableCellWithIdentifier:@"FeaturesCell"];
if (featureCell==nil) {
featureCell = [[FeaturesTableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"FeaturesCell"];
}
return featureCell;
}
else if (indexPath.section==1) {
cell = (CustomTableViewCell *)[tableView dequeueReusableCellWithIdentifier:@"CustomTableViewCell"];
if (cell==nil)
{
cell = [[CustomTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"CustomTableViewCell"];
}
cell.superIndexPath = indexPath;
return cell;
}
else if (indexPath.section==2) {
normalCell = (CustomTableViewCell *)[tableView dequeueReusableCellWithIdentifier:@"CustomTableViewCell"];
if (normalCell==nil)
{
normalCell = [[CustomTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"CustomTableViewCell"];
}
cell.superIndexPath = indexPath;
return normalCell;
}
else{
fashionCell = (FashionTableViewCell *)[tableView dequeueReusableCellWithIdentifier:@"FashionTableViewCell"];
if (fashionCell==nil)
{
fashionCell = [[FashionTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"FashionTableViewCell"];
}
return fashionCell;
}
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
NSLog(@"UITableView Selected index----%ld",indexPath.row);
}
#import <UIKit/UIKit.h>
#import <Foundation/NSObject.h>
#import <Foundation/Foundation.h>
@interface CustomTableViewCell : UITableViewCell<UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout>
@property (weak, nonatomic) IBOutlet UICollectionView *collectionView;
@property (strong ,nonatomic) NSIndexPath *superIndexPath;
@end
#import "CustomTableViewCell.h"
@implementation CustomTableViewCell
@synthesize superIndexPath;
- (void)awakeFromNib {
[super awakeFromNib];
// Initialization code
self.collectionView.delegate = self;
self.collectionView.dataSource = self;
}
- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
[super setSelected:selected animated:animated];
// Configure the view for the selected state
}
#pragma mark- UICollectionView Delegate & Datasource methods
-(NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView{
NSUInteger numberOfSections= 0;
numberOfSections = 1;
return numberOfSections;
}
-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
NSUInteger numberOfItems= 0;
numberOfItems = 6;
return numberOfItems;
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
UICollectionViewCell *cell = (UICollectionViewCell *)[collectionView dequeueReusableCellWithReuseIdentifier:@"cell" forIndexPath:indexPath];
UIImageView *imgView = (UIImageView *) [cell viewWithTag:1000];
imgView.image = [UIImage imageNamed:@"slideImage1"];
[cell.contentView addSubview:imgView];
return cell;
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
NSLog(@"Selected superIndexPath section---------%ld",(long)superIndexPath.section);
NSLog(@"Selected superIndexPath.row---------%ld",superIndexPath.row);
}
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section {
return 0.0f;
}
- (UIEdgeInsets)collectionView:(UICollectionView*)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section {
return UIEdgeInsetsMake(0, 0, 0, 0);
}
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section {
return 0.0f;
}
@end
2 个解决方案
#1
1
you can add a property in the CustomTableViewCell like superIndexPath. And set the property at - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath like
您可以在CustomTableViewCell中添加属性，如superIndexPath。并设置属性 - （UITableViewCell *）tableView：（UITableView *）tableView cellForRowAtIndexPath：（NSIndexPath *）indexPath like
cell = (CustomTableViewCell *)[tableView dequeueReusableCellWithIdentifier:@"CustomTableViewCell"];
if (cell==nil)
{
cell = [[CustomTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"CustomTableViewCell"];
}
cell.superIndexPath = indexPath;
return cell;
and When you try to get the tableView indexPath in the method - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath by using self.superIndexPath.
当您尝试通过使用self.superIndexPath获取方法中的tableView indexPath - （void）collectionView：（UICollectionView *）collectionView didSelectItemAtIndexPath：（NSIndexPath *）indexPath。
#2
0
You can use superView property of the collectionViewCell inside didSelectItemAtIndex and cast it as your CustomTableViewCell. Try this code inside didSelectItemAtIndex
您可以在didSelectItemAtIndex中使用collectionViewCell的superView属性并将其强制转换为CustomTableViewCell。在didSelectItemAtIndex中尝试此代码
if let tableViewcell = collectionViewCell.superview?.superview as? CustomTableViewCell {
let indexPath = customTableView.indexPath(for: tableViewcell)
}
#1
1
you can add a property in the CustomTableViewCell like superIndexPath. And set the property at - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath like
您可以在CustomTableViewCell中添加属性，如superIndexPath。并设置属性 - （UITableViewCell *）tableView：（UITableView *）tableView cellForRowAtIndexPath：（NSIndexPath *）indexPath like
cell = (CustomTableViewCell *)[tableView dequeueReusableCellWithIdentifier:@"CustomTableViewCell"];
if (cell==nil)
{
cell = [[CustomTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"CustomTableViewCell"];
}
cell.superIndexPath = indexPath;
return cell;
and When you try to get the tableView indexPath in the method - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath by using self.superIndexPath.
当您尝试通过使用self.superIndexPath获取方法中的tableView indexPath - （void）collectionView：（UICollectionView *）collectionView didSelectItemAtIndexPath：（NSIndexPath *）indexPath。
#2
0
You can use superView property of the collectionViewCell inside didSelectItemAtIndex and cast it as your CustomTableViewCell. Try this code inside didSelectItemAtIndex
您可以在didSelectItemAtIndex中使用collectionViewCell的superView属性并将其强制转换为CustomTableViewCell。在didSelectItemAtIndex中尝试此代码
if let tableViewcell = collectionViewCell.superview?.superview as? CustomTableViewCell {
let indexPath = customTableView.indexPath(for: tableViewcell)
}