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//
// TPTableViewController.m
// ThePaperDemo
//
// Created by scar1900 on 14/10/21.
// Copyright (c) 2014年 scar1900. All rights reserved.
//
#import "TPTableViewController.h"
#pragma mark - 控件的刷新状态
typedef enum {
RefreshStatePulling = 1, // 松开就可以进行刷新的状态
RefreshStateNormal = 2, // 普通状态
RefreshStateRefreshing = 3, // 正在刷新中的状态
RefreshStateCancel = 4,
RefreshStateSucess = 5,
RefreshStateIsPulling = 6,
RefreshStateNoMore = 7,
RefreshStateFailed = 8
} RefreshState;
@protocol LoadFootDelegate<NSObject>
@optional
- (void)startLoad;//开始刷新代理
@end
@interface loadFootView()
@property(nonatomic, strong)UIActivityIndicatorView *activityView;
@property(nonatomic, assign)RefreshState state;
@property(nonatomic, weak)id<LoadFootDelegate> delegate;
@property(nonatomic, strong)UILabel *textLabel;
@end
@implementation loadFootView
@synthesize state = _state;
@synthesize delegate;
- (id)initWithFrame:(CGRect)frame {
self = [super initWithFrame:frame];
if (self) {
self.backgroundColor = [UIColor clearColor];
[self addSubview:self.activityView];
[self addSubview:self.textLabel];
self.state = RefreshStateNormal;
}
return self;
}
- (UIActivityIndicatorView*)activityView {
if (!_activityView) {
_activityView = [[UIActivityIndicatorView alloc]initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
_activityView.frame = CGRectMake(CGRectGetWidth(self.bounds)/2-25/2,
10, 25, 25);
[_activityView stopAnimating];
_activityView.hidesWhenStopped = YES;
}
return _activityView;
}
- (UILabel*)textLabel {
if (!_textLabel) {
_textLabel = [[UILabel alloc]initWithFrame:CGRectMake(0,CGRectGetMaxY(self.activityView.frame)+5 , CGRectGetWidth(self.bounds), 20)];
_textLabel.textAlignment = NSTextAlignmentCenter;
_textLabel.textColor = [UIColor colorWithHexString:TextGray];
_textLabel.autoresizingMask = AutoresizingAuto;
_textLabel.backgroundColor = [UIColor clearColor];
}
_textLabel.font = appFont(11, NO);
return _textLabel;
}
- (void)setState:(RefreshState )sta {
if (_state == sta) return;
self.activityView.frame = CGRectMake(CGRectGetWidth(self.bounds)/2-25/2,
10, 25, 25);
_state = sta;
if (sta == RefreshStateNormal) {
[self.activityView stopAnimating];
self.textLabel.hidden = NO;
self.textLabel.frame = self.bounds;
self.textLabel.text = @"上拉加载数据";
}else if (sta == RefreshStateRefreshing) {
self.textLabel.hidden = NO;
[self.activityView startAnimating];
self.textLabel.frame = CGRectMake(0,CGRectGetMaxY(self.activityView.frame)+5 , CGRectGetWidth(self.bounds), 20);
self.textLabel.text = @"正在加载";
if ([delegate conformsToProtocol:@protocol(LoadFootDelegate)] &&
[delegate respondsToSelector:@selector(startRefresh)]) {
[delegate startLoad];
}
}else if (sta == RefreshStateCancel) {
self.state = RefreshStateNormal;
}else if (sta == RefreshStateSucess) {
self.state = RefreshStateNormal;
}else if (sta == RefreshStateFailed) {
// ShowTextMessage(@"加载失败");
self.state = RefreshStateNormal;
}else if (sta == RefreshStateNoMore) {
[self.activityView stopAnimating];
self.textLabel.hidden = NO;
self.textLabel.frame = self.bounds;
self.textLabel.text = @"没有更多数据";
}else if (sta == RefreshStatePulling) {
[self.activityView stopAnimating];
self.textLabel.hidden = NO;
self.textLabel.frame = self.bounds;
self.textLabel.text = @"释放加载数据";
}
}
- (void)layoutSubviews {
[super layoutSubviews];
if ([[TPUserDefault instance].isNightMode intValue] > 0) {
self.activityView.activityIndicatorViewStyle = UIActivityIndicatorViewStyleWhite;
}else {
self.activityView.activityIndicatorViewStyle = UIActivityIndicatorViewStyleGray;
}
}
@end
@interface TPTableViewController ()<UITableViewDataSource,UITableViewDelegate,LoadFootDelegate> {
BOOL isCanLoad;
BOOL isCanRefresh;
}
@end
@implementation TPTableViewController
@synthesize tableView;
@synthesize nextUrl = _nextUrl;
@synthesize tableDelegate;
- (id)init {
if (self = [super init]) {
CGFloat width = [UIScreen mainScreen].applicationFrame.size.width;
CGFloat height = [UIScreen mainScreen].applicationFrame.size.height;
self.tableView = [[HeaderInsetTableView alloc] initWithFrame:CGRectMake(0, 0, width, height) style:UITableViewStylePlain];
self.tableView.delegate = self;
self.tableView.dataSource = self;
self.tableView.autoresizingMask = AutoresizingFull;
self.tableView.backgroundColor = [UIColor clearColor];
isCanLoad = NO;
isCanRefresh = NO;
}
return self;
}
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
self.tableView.frame = self.view.bounds;
self.tableView.clipsToBounds = NO;
[self.view addSubview:self.tableView];
}
- (void)viewWillLayoutSubviews {
[super viewWillLayoutSubviews];
if (isCanRefresh) {
self.tableView.refreshControl.frame = CGRectMake(0,
self.tableView.refreshControl.frame.origin.y,
CGRectGetWidth(self.tableView.frame),
self.tableView.refreshControl.frame.size.height);
}
}
- (void)setLoadFooterFrame:(CGRect)frame {
self.loadFooter.frame = frame;
}
- (loadFootView*)loadFooter {
if (!_loadFooter) {
_loadFooter = [[loadFootView alloc]initWithFrame:CGRectMake(0, CGRectGetHeight(self.tableView.bounds) ,CGRectGetWidth(self.view.bounds) , 60)];
_loadFooter.hidden = YES;
_loadFooter.delegate = self;
}
return _loadFooter;
}
- (void)configCanRefresh:(BOOL)canRefresh canLoad:(BOOL)canLoad {
if (canRefresh || canLoad) {
if (canRefresh) {
isCanRefresh = YES;
NSDictionary *dic = @{@"pattern":@"%d.png",@"drawingStart":@1,@"drawingEnd":@30,@"loadingStart":@31,@"loadingEnd":@73};
self.drawingImgs = [NSMutableArray array];
self.loadingImgs = [NSMutableArray array];
NSUInteger drawingStart = [dic[@"drawingStart"] intValue];
NSUInteger drawingEnd = [dic[@"drawingEnd"] intValue];
NSUInteger laodingStart = [dic[@"loadingStart"] intValue];
NSUInteger loadingEnd = [dic[@"loadingEnd"] intValue];
for (NSUInteger i = drawingStart; i <= drawingEnd; i++) {
NSString *fileName = [NSString stringWithFormat:dic[@"pattern"],i];
[self.drawingImgs addObject:Image([NSString stringWithFormat:@"PaperPullImage/%@",fileName])];
}
for (NSUInteger i = laodingStart; i <= loadingEnd; i++) {
NSString *fileName = [NSString stringWithFormat:dic[@"pattern"],i];
[self.loadingImgs addObject:Image([NSString stringWithFormat:@"PaperPullImage/%@",fileName])];
}
__weak typeof(self) Self = self;
[self.tableView addPullToRefreshWithDrawingImgs:self.drawingImgs andLoadingImgs:self.loadingImgs andActionHandler:^{
[Self startRefresh];
}];
}
if (canLoad) {
isCanLoad = YES;
self.tableView.tableFooterView = self.loadFooter;
[self.tableView addObserver:self forKeyPath:@"contentOffset" options:NSKeyValueObservingOptionNew context:nil];
}else {
isCanLoad = NO;
}
}
}
- (void) viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
self.tableView.editing = NO;
}
- (void)setNextUrl:(NSString *)url {
_nextUrl = url;
if (isBlankString(url)) {
[self noMoreLoad];
}else {
self.loadFooter.state = RefreshStateNormal;
}
}
#pragma mark UITableViewDelegate and UITableViewDataSource
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return 20;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
return 44.0;
}
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
return 0;
}
- (UITableViewCell *)tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString* httpTableViewCellIdentefier = @"TPHttpTableViewController cell";
UITableViewCell* cell = [table dequeueReusableCellWithIdentifier:httpTableViewCellIdentefier];
if (nil == cell) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1
reuseIdentifier:httpTableViewCellIdentefier];
cell.backgroundColor = [UIColor whiteColor];
}
cell.textLabel.text = [NSString stringWithFormat:@"section:%ld,row=%ld",(long)indexPath.row, (long)indexPath.row];
return cell;
}
//- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section {
// // This will create a "invisible" footer
// return 0.01f;
//}
//
//- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section {
// // To "clear" the footer view
// return [UIView new];
//}
#pragma mark - refresh and load method
- (void)manualRefresh {
[self.tableView.refreshControl manulHeadRefresh];
}
- (void)startRefresh {
[self pullRefreshHandler];
if ([self.tableDelegate respondsToSelector:@selector(beginToPullRefresh)]) {
[self.tableDelegate beginToPullRefresh];
}
}
- (void)startLoad {
[self pullLoadMoreHander];
if ([self.tableDelegate respondsToSelector:@selector(beginToPullLoad)]) {
[self.tableDelegate beginToPullLoad];
}
}
- (void)pullRefreshHandler{
}
- (void)pullLoadMoreHander {
}
- (void)endRefresh:(void (^)(void))animate completion:(void (^)(void))completion {
[self.tableView didFinishPullToRefresh:animate completion:completion];
}
- (void)endRefresh {
[self.tableView didFinishPullToRefresh:nil completion:nil];
}
- (void)noMoreLoad {
self.loadFooter.state = RefreshStateNoMore;
}
- (void)loadSuccess {
self.loadFooter.state = RefreshStateSucess;
}
- (void)loadFailed {
self.loadFooter.state = RefreshStateFailed;
}
- (void)cancelLoadMore {
self.loadFooter.state = RefreshStateNormal;
}
#pragma mark - remote method
- (void)startWaitCursor:(int)actionTag {
}
- (void)stopWaitCursor:(int)actionTag {
}
- (void)remoteResponsFailed:(int)actionTag withMessage:(NSString *)message resultCode:(NSString *)code{
ShowTextMessage(message);
[self endRefresh];
[self loadSuccess];
}
#pragma mark - KVO call back
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
if (!self.tableView.userInteractionEnabled || self.tableView.alpha <= 0.01 || self.tableView.hidden) return;
if (isCanLoad) {
[self loadMethod];
}
}
- (void)loadMethod {
CGFloat y = self.tableView.contentOffset.y + self.tableView.contentInset.top;
if (y < 0) { //顶部操作直接返回
return;
}
if (self.loadFooter.state == RefreshStateRefreshing || self.loadFooter.state == RefreshStateNoMore) {
self.loadFooter.hidden = NO;
return;
}
CGPoint offset = self.tableView.contentOffset;
CGRect bounds = self.tableView.bounds;
CGSize size = self.tableView.contentSize;
UIEdgeInsets inset = self.tableView.contentInset;
CGFloat currentOffset = offset.y + bounds.size.height - inset.bottom;
CGFloat maximumOffset = size.height;
CGFloat compareOffset = currentOffset - maximumOffset;
if (self.tableView.isDragging ) {
if (compareOffset<15 ) {
if (!self.tableView.isDecelerating) {
self.loadFooter.state = RefreshStateNormal;
}
}else if (self.loadFooter.state == RefreshStateNormal && (currentOffset - maximumOffset)>20) {
self.loadFooter.hidden = NO;
if (!self.tableView.isDecelerating) {
self.loadFooter.state = RefreshStatePulling; //转为即将刷新
}else {
self.loadFooter.state = RefreshStateRefreshing;
}
}
}else {
self.loadFooter.hidden = NO;
if (self.loadFooter.state == RefreshStatePulling) {
self.loadFooter.state = RefreshStateRefreshing;
}else {
self.loadFooter.state = RefreshStateNormal;
}
}
}
- (void)dealloc {
if (isCanLoad) {
[self.tableView removeObserver:self forKeyPath:@"contentOffset"];
}
if (isCanRefresh) {
[self.tableView removePullToRefresh];
}
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end
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