#import "ViewController.h"

#define NAVIGATION_HEIGHT 44

@interface ViewController (private)

- (void)initTableView;

- (void)initDataArray;

- (void)initNavigationBarButton;

- (void)addOneCell:(id)sender;

- (void)removeOneCell:(id)sender;

@end

@implementation ViewController

@synthesize myTableView,myDataArr;

- (void)viewDidLoad

{

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

[self initNavigationBarButton];

[self initDataArray];

[self initTableView];

}

- (void)viewDidUnload

{

[super viewDidUnload];

// Release any retained subviews of the main view.

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);

}

#pragma mark - Initialize Method

- (void)initTableView

{

UITableView *_tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height - NAVIGATION_HEIGHT) style:UITableViewStylePlain];

_tableView.delegate = self;

_tableView.dataSource = self;

UIView *footerView = [[UIView alloc] init];

[_tableView setTableFooterView:footerView];

[footerView release];

self.myTableView = _tableView;

[_tableView release];

[self.view addSubview:self.myTableView];

}

- (void)initDataArray

{

NSMutableArray *_tempArr = [NSMutableArray arrayWithCapacity:0];

for (int a = 0; a < 10; a++) {

NSString *str = [NSString stringWithFormat:@"num:%d",a];

[_tempArr addObject:str];

}

self.myDataArr = _tempArr;

}

- (void)initNavigationBarButton

{

UIBarButtonItem *_addBarButton = [[UIBarButtonItem alloc] initWithTitle:@"add" style:UIBarButtonItemStylePlain target:self action:@selector(addOneCell:)];

self.navigationItem.leftBarButtonItem = _addBarButton;

[_addBarButton release];

UIBarButtonItem *_removeBarButton = [[UIBarButtonItem alloc] initWithTitle:@"remove" style:UIBarButtonItemStylePlain target:self action:@selector(removeOneCell:)];

self.navigationItem.rightBarButtonItem = _removeBarButton;

[_removeBarButton release];

}

#pragma mark - TableView Delegate

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

{

return [self.myDataArr count];

}

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

{

static NSString *reuseID = @"Animation insert";

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseID];

if (cell == nil) {

cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reuseID];

}

cell.textLabel.text = [self.myDataArr objectAtIndex:indexPath.row];

return cell;

}

#pragma mark - ButtonClick Method

- (void)addOneCell:(id)sender

{

[self.myTableView beginUpdates];

[self.myDataArr insertObject:@"new" atIndex:0];

NSArray *_tempIndexPathArr = [NSArray arrayWithObject:[NSIndexPath indexPathForRow:0 inSection:0]];

[self.myTableView insertRowsAtIndexPaths:_tempIndexPathArr withRowAnimation:UITableViewRowAnimationNone];

[self.myTableView endUpdates];

}

- (void)removeOneCell:(id)sender

{

[self.myTableView beginUpdates];

[self.myDataArr removeObjectAtIndex:0];

NSArray *_tempIndexPathArr = [NSArray arrayWithObject:[NSIndexPath indexPathForRow:0 inSection:0]];

[self.myTableView deleteRowsAtIndexPaths:_tempIndexPathArr withRowAnimation:UITableViewRowAnimationFade];

[self.myTableView endUpdates];

}

#pragma mark - Dealloc

- (void)dealloc

{

self.myTableView = nil;

self.myDataArr = nil;

[super dealloc];

}

@end