EGORefreshTableHeaderView下拉刷新

- (void)viewDidLoad {

    [super viewDidLoad];

	

	if (_refreshHeaderView == nil) {

		

		EGORefreshTableHeaderView *view = [[EGORefreshTableHeaderView alloc] initWithFrame:CGRectMake(0.0f, 0.0f - self.tableView.bounds.size.height, self.view.frame.size.width, self.tableView.bounds.size.height)];

		view.delegate = self;

		[self.tableView addSubview:view];

		_refreshHeaderView = view;

		[view release];

		

	}

	

	//  update the last update date

	[_refreshHeaderView refreshLastUpdatedDate];



	

}



- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {

	return YES;

}





#pragma mark -

#pragma mark UITableViewDataSource



- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {

    return 10;

}



- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

    return 4;

}



- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    

    static NSString *CellIdentifier = @"Cell";

    

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil) {

        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];

    }

    

	// Configure the cell.



    return cell;

}



- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{

	

	return [NSString stringWithFormat:@"Section %i", section];

	

}





#pragma mark -

#pragma mark Data Source Loading / Reloading Methods



- (void)reloadTableViewDataSource{

	

	//  should be calling your tableviews data source model to reload

	//  put here just for demo

    NSLog(@"reloadTableViewDataSource");

	_reloading = YES;

	

}



- (void)doneLoadingTableViewData{

	

	//  model should call this when its done loading

	_reloading = NO;

    NSLog(@"doneLoadingTableViewData");

//    结束当前刷新

	[_refreshHeaderView egoRefreshScrollViewDataSourceDidFinishedLoading:self.tableView];

	

}





#pragma mark -

#pragma mark UIScrollViewDelegate Methods

//上滑下滑都会调用当前的scrollview 所以必须判断是否需要刷新

- (void)scrollViewDidScroll:(UIScrollView *)scrollView{	

	

     NSLog(@"scrollViewDidScroll");

	[_refreshHeaderView egoRefreshScrollViewDidScroll:scrollView];

   

		

}



- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate{

	

    NSLog(@"scrollViewDidEndDragging");

	[_refreshHeaderView egoRefreshScrollViewDidEndDragging:scrollView];

    

	

}





#pragma mark -

#pragma mark EGORefreshTableHeaderDelegate Methods

//下拉结束上滑的时候调用此函数

- (void)egoRefreshTableHeaderDidTriggerRefresh:(EGORefreshTableHeaderView*)view{

	NSLog(@"egoRefreshTableHeaderDidTriggerRefresh");

    //在这里改变_reloading 不然会一直调用此过程

	[self reloadTableViewDataSource];

    //调用doneLoadingTableViewData ，在这个函数里再改变_reloading，让其可以重新实现下拉刷新

	[self performSelector:@selector(doneLoadingTableViewData) withObject:nil afterDelay:3.0];

	

}

//当返回no的时候就会刷新数据 当拖拽的时候就会调用此函数，当返回yes的时候egoRefreshTableHeaderDidTriggerRefresh就不会被调用



- (BOOL)egoRefreshTableHeaderDataSourceIsLoading:(EGORefreshTableHeaderView*)view{

	NSLog(@"egoRefreshTableHeaderDataSourceIsLoading");

	return _reloading; // should return if data source model is reloading

	

}



- (NSDate*)egoRefreshTableHeaderDataSourceLastUpdated:(EGORefreshTableHeaderView*)view{

	NSLog(@"egoRefreshTableHeaderDataSourceLastUpdated");

	return [NSDate date]; // should return date data source was last changed

	

}





#pragma mark -

#pragma mark Memory Management



- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

}



- (void)viewDidUnload {

	_refreshHeaderView=nil;

}



- (void)dealloc {

	

	_refreshHeaderView = nil;

    [super dealloc];

}