CollectionView加下拉刷新和上拉加载更多
#import "ShopMembersCollectionVC.h"
#import "ContactsSearchVC.h"
#import "ContactCollectionViewCell.h"
#import "RequestClient+Shop.h"
#import "RemoveMemberViewController.h"
#import "InviteNewMemberView.h"
#import "ListDataModule.h"
#import <MJRefresh/MJRefresh.h>
@interface ShopMembersCollectionVC ()<UICollectionViewDataSource, UICollectionViewDelegate, UICollectionViewDelegateFlowLayout>
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, strong) ListDataModule *listData;
@end
@implementation ShopMembersCollectionVC
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
[self.navigationController.navigationBar setShadowImage:[UIImage imageWithColor:[UIColor whiteColor]]];
[self.navigationController.navigationBar setBackgroundImage:[UIImage imageWithColor:[UIColor whiteColor]] forBarMetrics:UIBarMetricsDefault];
[self.navigationController setNavigationBarHidden:NO animated:NO];
}
- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = kColor_White;
self.navigationItem.title = @"公会成员";
UIView * headerBg = [UICommonCtrl commonViewWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 50) color:kColor_White];
[self.view addSubview:headerBg];
UIButton * searchBtn = [UICommonCtrl commonButtonWithFrame:CGRectMake(15, 7, SCREEN_WIDTH - 30, 30)
image:nil
target:self
action:@selector(clickSearchBtn) ];
searchBtn.backgroundColor = kColor_Background;
searchBtn.layer.cornerRadius = 15;
[searchBtn.layer setMasksToBounds:YES];
[headerBg addSubview:searchBtn];
UIImageView * imgSearch = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"search"]];
imgSearch.left = 7;
imgSearch.centerY = 15;
[searchBtn addSubview:imgSearch];
UILabel * placeHolder = [UICommonCtrl commonLabelWithFrame:CGRectMake(imgSearch.right + 10, 0, 50, 30)
text:@"搜索"
color:kColor_Gray
font:FONT(13)
textAlignment:NSTextAlignmentLeft];
[searchBtn addSubview:placeHolder];
UIView * line = [UICommonCtrl commonLineViewWithFrame:CGRectMake(0, 50-LINE_SIZE, SCREEN_WIDTH, LINE_SIZE) color:kColor_Line];
[headerBg addSubview:line];
UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc] init];
//设置水平方向的空隙
flowLayout.minimumInteritemSpacing = 0;//22;
//设置垂直方向的空隙
flowLayout.minimumLineSpacing = 0;//10;
[flowLayout setScrollDirection:UICollectionViewScrollDirectionVertical];
_collectionView=[[UICollectionView alloc] initWithFrame:CGRectMake(20.5, headerBg.bottom, SCREEN_WIDTH - 41, SCREEN_HEIGHT_WITHOUTHEAD - headerBg.height) collectionViewLayout:flowLayout];
_collectionView.delegate = self;
_collectionView.dataSource = self;
[_collectionView registerClass:[ContactCollectionViewCell class] forCellWithReuseIdentifier:KCellReuseIdentifier];
_collectionView.backgroundColor = kColor_White;
_collectionView.scrollEnabled = YES;
_collectionView.showsVerticalScrollIndicator= NO;
[self.view addSubview:_collectionView];
//创建自定义下拉刷新
MJRefreshNormalHeader *header = [MJRefreshNormalHeader headerWithRefreshingTarget:self refreshingAction:@selector(refresh)];
_collectionView.mj_header = header;
//1.添加翻页数据
self.listData = [[ListDataModule alloc]init];
[self showLoading];
[self requestShopMember];
}
- (void)clickSearchBtn
{
ContactsSearchVC *vc = [[ContactsSearchVC alloc] init];
vc.shopIdStr = self.shopIdStr;
UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:vc];
[kAppDelegate.window.rootViewController presentViewController:nav animated:NO completion:nil];
}
- (void)refresh
{
_collectionView.scrollEnabled = NO;
[self.listData resetData];
[self requestShopMember];
}
- (void)endRefreshing
{
if(self.collectionView.mj_header){
[self.collectionView.mj_header endRefreshing];//自定义下拉刷新，需要调用这个关闭刷新状态
}
_collectionView.scrollEnabled = YES;
}
//LoadMore
- (void)refrshLoadMoreControlWithFull:(BOOL)full
{
if (self.collectionView.mj_footer == nil) {
@weakify(self)
self.collectionView.mj_footer = [MJRefreshAutoNormalFooter footerWithRefreshingBlock:^{
@strongify(self)
[self loadMore];
}];
}
if (full) {
[self.collectionView.mj_footer endRefreshingWithNoMoreData];
} else {
[self.collectionView.mj_footer endRefreshing];
}
}
- (void)loadMore
{
[self requestShopMember];
}
- (void)requestShopMember
{
NSMutableDictionary * param = [NSMutableDictionary dictionary];
[param setObject:self.shopIdStr forKey:@"id"];
self.listData.size = 26;
[param setObject:STR_NUM(self.listData.size) forKey:@"limit"];
if (self.listData.page == 1) {
[param setObject:@(0) forKey:@"offset"];
}else{
NSDictionary * lastModel = self.listData.data.lastObject;
NSInteger lastId = 0;
if(lastModel && lastModel[@"id"]){
lastId = [NON(lastModel[@"id"]) integerValue];
}
[param setObject:STR_NUM(lastId) forKey:@"offset"];
}
@weakify(self)
[[RequestClient sharedInstance] requestShopMember:param
success:^(NSURLSessionDataTask *operation, id responseObject) {
@strongify(self)
[self hideLoading];
[self.listData loadData:responseObject listKey:@"members" countKey:@"count"];
if(!self.listData.isEmpty) {//列表不为空才去加载更多
[self refrshLoadMoreControlWithFull:self.listData.isFull];
}
[self.collectionView reloadData];
[self endRefreshing];
}
failure:^(NSURLSessionDataTask *operation, NSError *error) {
@strongify(self)
[self showNonet:error];
[self endRefreshing];
}];
}
#pragma mark - UICollectionViewDataSource 、delegate 和 FlowLayoutDelegate
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
return 1;
}
//定义展示的UICollectionViewCell的个数
-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
NSInteger add = self.isManager?2:0;
return self.listData.data.count + add;
}
//每个UICollectionView展示的内容
-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
if ( indexPath.row == 0 && self.isManager) {
ContactCollectionViewCell * cell = [collectionView dequeueReusableCellWithReuseIdentifier:KCellReuseIdentifier forIndexPath:indexPath];
cell.headerImageView.image = [UIImage imageNamed:@"increase"];
cell.name = @"";
return cell;
}else if( indexPath.row == 1 && self.isManager){
ContactCollectionViewCell * cell = [collectionView dequeueReusableCellWithReuseIdentifier:KCellReuseIdentifier forIndexPath:indexPath];
cell.headerImageView.image = [UIImage imageNamed:@"Subtract"];
cell.name = @"";;
return cell;
}else{
ContactCollectionViewCell * cell = [collectionView dequeueReusableCellWithReuseIdentifier:KCellReuseIdentifier forIndexPath:indexPath];
NSInteger add = self.isManager?2:0;
NSDictionary *model = self.listData.data[indexPath.row - add];
cell.headimg = model[@"avatar"];
cell.name = model[@"name"];
return cell;
}
}
//返回这个UICollectionView是否可以被选择
-(BOOL)collectionView:(UICollectionView *)collectionView shouldSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
if ((indexPath.row == 0 && self.isManager)) {
return YES;
}else if (indexPath.row == 1 && self.isManager){
return YES;
}
return NO;
}
//定义每个UICollectionView 的大小
- (CGSize)collectionView:(UICollectionView *)collectiagreeMsgonView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
return CGSizeMake(kCellW, kCellH);
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
[collectionView deselectItemAtIndexPath:indexPath animated:YES];
if (indexPath.row == 0 && self.isManager) {
InviteNewMemberView * newM = [[InviteNewMemberView alloc]init];
newM.shopIdStr = self.shopIdStr;
[newM show];
}else if(indexPath.row == 1 && self.isManager){
RemoveMemberViewController * vc = [[RemoveMemberViewController alloc]init];
vc.shopIdStr = self.shopIdStr;
@weakify(self)
vc.removeSuccessBlock = ^{
@strongify(self)
[self.collectionView.mj_header beginRefreshing];
if (self.moveSuccessBlock) {
self.moveSuccessBlock();
}
};
UINavigationController *nav = [[UINavigationController alloc]initWithRootViewController:vc];
[self.navigationController presentViewController:nav animated:YES completion:^{
}];
}
}
//无网络时，cell touch 事件
- (void)nonetViewTouched
{
//加载数据
[self showLoading];
[self requestShopMember];
}
@end
