1//
 2//  SVViewController.m
 3//  SVPullToRefreshDemo
 4//
 5//  Created by Sam Vermette on 23.04.12.
 6//  Copyright (c) 2012 Home. All rights reserved.
 7//
 8
 9#import "SVViewController.h"
10#import "SVPullToRefresh.h"
11
12@interface SVViewController () <UITableViewDelegate, UITableViewDataSource>
13
14@property (nonatomic, strong) NSMutableArray *dataSource;
15
16@end
17
18@implementation SVViewController
19@synthesize tableView = tableView;
20
21- (void)viewDidLoad {
22    [super viewDidLoad];
23    
24    self.dataSource = [NSMutableArray array];
25    
26    for(int i=0; i<15; i++)
27        [self.dataSource addObject:[NSDate dateWithTimeIntervalSinceNow:-(i*90)]];
28    
29    __weak SVViewController *weakSelf = self;
30    
31    // setup pull-to-refresh
32    [self.tableView addPullToRefreshWithActionHandler:^{
33        
34        int64_t delayInSeconds = 2.0;
35        dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, delayInSeconds * NSEC_PER_SEC);
36        dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
37            [weakSelf.tableView beginUpdates];
38            [weakSelf.dataSource insertObject:[NSDate date] atIndex:0];
39            [weakSelf.tableView insertRowsAtIndexPaths:@[[NSIndexPath indexPathForRow:0 inSection:0]] withRowAnimation:UITableViewRowAnimationBottom];
40            [weakSelf.tableView endUpdates];
41            
42            [weakSelf.tableView.pullToRefreshView stopAnimating];
43        });
44    }];
45    
46    // setup infinite scrolling
47    [self.tableView addInfiniteScrollingWithActionHandler:^{
48
49        int64_t delayInSeconds = 2.0;
50        dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, delayInSeconds * NSEC_PER_SEC);
51        dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
52            [weakSelf.tableView beginUpdates];
53            [weakSelf.dataSource addObject:[weakSelf.dataSource.lastObject dateByAddingTimeInterval:-90]];
54            [weakSelf.tableView insertRowsAtIndexPaths:@[[NSIndexPath indexPathForRow:weakSelf.dataSource.count-1 inSection:0]] withRowAnimation:UITableViewRowAnimationTop];
55            [weakSelf.tableView endUpdates];
56            
57            [weakSelf.tableView.infiniteScrollingView stopAnimating];
58        });
59    }];
60    
61    // trigger the refresh manually at the end of viewDidLoad
62    [tableView triggerPullToRefresh];
63}
64
65#pragma mark -
66#pragma mark UITableViewDataSource
67
68- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
69    return 1;
70}
71
72- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
73    return self.dataSource.count;
74}
75
76- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
77    static NSString *identifier = @"Cell";
78    UITableViewCell *cell = [self.tableView dequeueReusableCellWithIdentifier:identifier];
79    
80    if (cell == nil)
81        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
82    
83    NSDate *date = [self.dataSource objectAtIndex:indexPath.row];
84    cell.textLabel.text = [NSDateFormatter localizedStringFromDate:date dateStyle:NSDateFormatterNoStyle timeStyle:NSDateFormatterMediumStyle];
85    return cell;
86}
87
88@end