#import <UIKit/UIKit.h>#import "SVPullToRefresh.h"#import "YQZViewController.h" @interface YQZPullViewController ...
#import <UIKit/UIKit.h>
#import "SVPullToRefresh.h"
#import "YQZViewController.h"
@interface YQZPullViewController : YQZViewController
{
IBOutlet UITableView *contentTableView;
NSMutableArray *dataSource;
IBOutlet UIView *emptyDataView;
IBOutlet UIImageView* emptyImgView;
IBOutlet UILabel *emptyDataLabel;
int currentPage;
}
@property (nonatomic, strong) IBOutlet UITableView *contentTableView;
@property (nonatomic, strong) IBOutlet UIView *emptyDataView;
@property (nonatomic, strong) IBOutlet UIImageView* emptyImgView;
@property (nonatomic, strong) IBOutlet UILabel *emptyDataLabel;
@property (nonatomic, strong) UISegmentedControl *segmentControl;
//进行中新进展数字标签
@property (nonatomic, strong) UILabel *unFinishedLabel;
//已完成新进展数字标签
@property (nonatomic, strong) UILabel *finishedlabel;
//未读数字标签
@property (nonatomic, strong) UILabel *unReadlabel;
@property (nonatomic, strong) NSMutableArray *dataSource;
@property (nonatomic, assign) int currentPage;
@property (nonatomic, assign) int totalPages;
- (void)insertRowAtTop:(NSArray *)newDatas;
- (void)insertRowAtBottom:(NSArray *)newDatas;
- (void)upRefresh;
- (void)bottomRefresh;
- (void)addSegmentControl;
- (void)addSegmentControlWithArray:(NSArray *)segmentArray;
- (void)addUnReadControl;
- (void)setSegmentNumValue:(NSInteger)unfinishValue finishValue:(NSInteger)finishValue;
- (void)showToast:(NSString *)text;
- (void)resetUIConstraint;
@end
#import "YQZPullViewController.h"
#import "SDWebImageManager.h"
@interface YQZPullViewController ()<UITableViewDataSource, UITableViewDelegate>
@end
@implementation YQZPullViewController
@synthesize contentTableView;
@synthesize emptyDataView;
@synthesize emptyImgView;
@synthesize emptyDataLabel;
@synthesize dataSource;
@synthesize currentPage;
@synthesize totalPages;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
self.dataSource = [NSMutableArray array];
self.currentPage = 0;
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
self.contentTableView = [[UITableView alloc] initWithFrame:self.view.frame style:UITableViewStylePlain];
self.contentTableView.delegate = self;
self.contentTableView.dataSource = self;
self.contentTableView.backgroundColor = kYQZLightGrayColor;
[self.view addSubview:self.contentTableView];
__weak YQZPullViewController *weakself = self;
[self.contentTableView addPullToRefreshWithActionHandler:^{
[weakself upRefresh];
}];
// setup infinite scrolling
[self.contentTableView addInfiniteScrollingWithActionHandler:^{
[weakself bottomRefresh];
}];
if(emptyDataView == nil)
{
emptyDataView = [[UIView alloc]init];
[self.view addSubview:emptyDataView];
}
if (emptyImgView == nil) {
emptyImgView = [[UIImageView alloc]init];
[emptyDataView addSubview:emptyImgView];
}
if (emptyDataLabel == nil) {
emptyDataLabel = [[UILabel alloc]init];
[emptyDataLabel setTextColor:[UIColor lightGrayColor]];
[emptyDataLabel setFont:[UIFont systemFontOfSize:13]];
[emptyDataView addSubview:emptyDataLabel];
}
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
- (void)resetUIConstraint
{
self.contentTableView.translatesAutoresizingMaskIntoConstraints = NO;
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|-0-[contentTableView]-0-|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(contentTableView)]];
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-0-[contentTableView]-0-|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(contentTableView)]];
self.contentTableView.backgroundColor = kYQZLightGrayColor;
self.contentTableView.separatorStyle = UITableViewCellSeparatorStyleNone;
self.emptyDataView.translatesAutoresizingMaskIntoConstraints = NO;
self.emptyImgView.translatesAutoresizingMaskIntoConstraints = NO;
self.emptyDataLabel.translatesAutoresizingMaskIntoConstraints = NO;
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-0-[emptyDataView]-0-|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(emptyDataView)]];
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|-0-[emptyDataView]-0-|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(emptyDataView)]];
[emptyDataView addConstraint:[NSLayoutConstraint constraintWithItem:emptyImgView attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:emptyDataView attribute:NSLayoutAttributeCenterX multiplier:1 constant:0]];
[emptyDataView addConstraint:[NSLayoutConstraint
constraintWithItem:emptyImgView
attribute:NSLayoutAttributeTop
relatedBy:NSLayoutRelationEqual
toItem:emptyDataView
attribute:NSLayoutAttributeTop
multiplier:1.0f
constant:82.0f]];
[emptyDataView addConstraint:[NSLayoutConstraint constraintWithItem:emptyDataLabel attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:emptyDataView attribute:NSLayoutAttributeCenterX multiplier:1 constant:0]];
[emptyDataView addConstraint:[NSLayoutConstraint
constraintWithItem:emptyDataLabel
attribute:NSLayoutAttributeTop
relatedBy:NSLayoutRelationEqual
toItem:emptyDataView
attribute:NSLayoutAttributeTop
multiplier:1.0f
constant:162.0f]];
}
- (void)upRefresh{
[self.contentTableView setShowsInfiniteScrolling:false];
}
- (void)bottomRefresh{
// [self.contentTableView setShowsPullToRefresh:false];
}
- (void)showToast:(NSString *)text
{
[YQZTools showToast:text inView:self.contentTableView.superview];
}
- (void)showToast:(NSString *)text width:(float)width
{
YQZToast *toast = [[YQZToast alloc] initWithFrame:CGRectMake((self.view.frame.size.width - width)/2, self.view.frame.size.height - 100, width, 30)];
toast.text = text;
[toast showInView:self.contentTableView];
}
#pragma mark - public function -
//给navigationBar添加segment控件
- (void)addSegmentControl
{
NSArray *segmentArray = @[@"进行中", @"已完成"];
UIView *segmentView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 130, 30)];
self.segmentControl = [[UISegmentedControl alloc] initWithItems:segmentArray];
self.segmentControl.frame = CGRectMake(0, 0, 130, 30);
self.segmentControl.selectedSegmentIndex = 0;
self.segmentControl.tintColor = [UIColor whiteColor];
self.segmentControl.segmentedControlStyle = UISegmentedControlStylePlain;
NSDictionary *dic = [NSDictionary dictionaryWithObjectsAndKeys:[UIFont systemFontOfSize:15.f],UITextAttributeFont, nil];
[self.segmentControl setTitleTextAttributes:dic forState:UIControlStateNormal];
[segmentView addSubview:self.segmentControl];
self.navigationItem.titleView = segmentView;
//进行中新进展数字标签
self.unFinishedLabel = [[UILabel alloc] initWithFrame:CGRectMake(-8, 3, 16, 16)];
self.unFinishedLabel.font = [UIFont systemFontOfSize:10.f];
self.unFinishedLabel.textColor = [UIColor whiteColor];
self.unFinishedLabel.backgroundColor = kYQZRowNumberRedColor;
self.unFinishedLabel.layer.cornerRadius = 8;
self.unFinishedLabel.textAlignment = NSTextAlignmentCenter;
self.unFinishedLabel.clipsToBounds = YES;
self.unFinishedLabel.hidden = YES;
[segmentView addSubview:self.unFinishedLabel];
//已完成新进展数字标签
self.finishedlabel = [[UILabel alloc] initWithFrame:CGRectMake(122, 3, 16, 16)];
self.finishedlabel.font = [UIFont systemFontOfSize:10.f];
self.finishedlabel.textColor = [UIColor whiteColor];
self.finishedlabel.backgroundColor = kYQZRowNumberRedColor;
self.finishedlabel.layer.cornerRadius = 8;
self.finishedlabel.textAlignment = NSTextAlignmentCenter;
self.finishedlabel.clipsToBounds = YES;
self.finishedlabel.hidden = YES;
[segmentView addSubview:self.finishedlabel];
}
- (void)addSegmentControlWithArray:(NSArray *)segmentArray
{
UIView *segmentView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 130, 30)];
self.segmentControl = [[UISegmentedControl alloc] initWithItems:segmentArray];
self.segmentControl.frame = CGRectMake(0, 0, 130, 30);
self.segmentControl.selectedSegmentIndex = 0;
self.segmentControl.tintColor = [UIColor whiteColor];
self.segmentControl.segmentedControlStyle = UISegmentedControlStylePlain;
NSDictionary *dic = [NSDictionary dictionaryWithObjectsAndKeys:[UIFont systemFontOfSize:15.f],UITextAttributeFont, nil];
[self.segmentControl setTitleTextAttributes:dic forState:UIControlStateNormal];
[segmentView addSubview:self.segmentControl];
self.navigationItem.titleView = segmentView;
}
- (void)addUnReadControl
{
UIView *segmentView = [[UIView alloc] initWithFrame:CGRectMake(130, 0, 30, 30)];
//已完成新进展数字标签
self.unReadlabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 3, 16, 16)];
self.unReadlabel.font = [UIFont systemFontOfSize:10.f];
self.unReadlabel.textColor = [UIColor whiteColor];
self.unReadlabel.backgroundColor = kYQZRowNumberRedColor;
self.unReadlabel.layer.cornerRadius = 8;
self.unReadlabel.textAlignment = NSTextAlignmentCenter;
self.unReadlabel.clipsToBounds = YES;
self.unReadlabel.hidden = NO;
[segmentView addSubview:self.unReadlabel];
[self.navigationItem.titleView addSubview:segmentView];
}
- (void)setSegmentNumValue:(NSInteger)unfinishValue finishValue:(NSInteger)finishValue
{
if (unfinishValue > 0) {
if (unfinishValue > 99) {
self.unFinishedLabel.frame = CGRectMake(-10, 3, 20, 16);
}
self.unFinishedLabel.text = [YQZUtility getDisPlayNumString:unfinishValue];
self.unFinishedLabel.hidden = NO;
}
else
{
self.unFinishedLabel.hidden = YES;
}
if (finishValue > 0) {
if (finishValue > 99) {
self.finishedlabel.frame = CGRectMake(120, 3, 20, 16);
}
self.finishedlabel.text = [YQZUtility getDisPlayNumString:finishValue];
self.finishedlabel.hidden = NO;
}
else
{
self.finishedlabel.hidden = YES;
}
}
#pragma mark -
#pragma mark UITableViewDataSource
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return self.dataSource.count;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return 1;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *identifier = @"Cell";
UITableViewCell *cell = [self.contentTableView dequeueReusableCellWithIdentifier:identifier];
if (cell == nil){
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
}
cell.textLabel.text = [NSString stringWithFormat:@"%ld,%ld",[indexPath section], [indexPath row]];
return cell;
}
- (void)insertRowAtTop:(NSArray *)newDatas {
int64_t delayInSeconds = 2.0;
dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, delayInSeconds * NSEC_PER_SEC);
dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
[self.contentTableView beginUpdates];
NSRange range = NSMakeRange(0, [newDatas count]);
NSIndexSet *indexSet = [NSIndexSet indexSetWithIndexesInRange:range];
[self.dataSource insertObjects:newDatas atIndexes:indexSet];
NSMutableArray *indexPaths = [NSMutableArray array];
for (NSInteger i = 0; i < [newDatas count]; i++) {
[indexPaths addObject:[NSIndexPath indexPathForRow:i inSection:0]];
}
[self.contentTableView insertRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationBottom];
[self.contentTableView endUpdates];
[self.contentTableView.pullToRefreshView stopAnimating];
});
}
- (void)insertRowAtBottom:(NSArray *)newDatas {
int64_t delayInSeconds = 2.0;
dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, delayInSeconds * NSEC_PER_SEC);
dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
[self.contentTableView beginUpdates];
NSInteger oldCount = [self.dataSource count];
[self.dataSource addObjectsFromArray:newDatas];
NSMutableArray *indexPaths = [NSMutableArray array];
for (NSInteger i = 0; i < [newDatas count]; i++) {
[indexPaths addObject:[NSIndexPath indexPathForRow:(i + oldCount) inSection:0]];
}
[self.contentTableView insertRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationTop];
[self.contentTableView endUpdates];
[self.contentTableView.infiniteScrollingView stopAnimating];
});
}
@end
使用方法：
从该类继承后 复写4个方法
#pragma mark--------------------------------------------------------
#pragma mark 请求刷新方法
- (void)loadTopData
{
currentPage = 1;
[self loadListData:1];
}
- (void)loadBottomData
{
currentPage = currentPage + 1;
[self loadListData:currentPage];
// [self.contentTableView.infiniteScrollingView stopAnimating];
}
- (void)upRefresh
{
[super upRefresh];
[self loadTopData];
}
- (void)bottomRefresh
{
[super bottomRefresh];
if (self.currentPage < self.totalPages)
{
[self loadBottomData];
}
else
{
[self.contentTableView.infiniteScrollingView stopAnimating];
if (self.totalPages > 0) {
//无数据提示
}
}
}
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原标题：上拉下拉基类
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