//
//  RootViewController.m
//  ChangeCell
//
//  Copyright (c) 2014年 Y.X. All rights reserved.
//

#import "RootViewController.h"
#import "YellowCell.h"
#import "RedCell.h"
#import "TitleCell.h"// ------------------------------
static NSString *CELL[] = {@"TitleCellFlag",@"RedCellFlag",@"YellowCellFlag",
};
typedef enum : NSUInteger {Title,Red,Yellow,
} CellType;
// ------------------------------@interface RootViewController ()<UITableViewDataSource, UITableViewDelegate>@property (nonatomic, strong) UITableView  *tableView;
@property (nonatomic, strong) NSString     *changeFlag;  // 切换标签

@property (nonatomic, strong) NSArray      *dataArray;   // 数据源
@property (nonatomic, strong) NSArray      *redData;     // 红色cell数据
@property (nonatomic, strong) NSArray      *yellowData;  // 黄色cell数据@end@implementation RootViewController- (void)viewDidLoad
{[super viewDidLoad];// 初始化TableView_tableView = [[UITableView alloc] initWithFrame:self.view.boundsstyle:UITableViewStylePlain];_tableView.delegate   = self;_tableView.dataSource = self;[self.view addSubview:_tableView];// 红色cell数据_redData    = @[@"", @"", @"", @""];// 黄色cell数据_yellowData = @[@"", @"", @"", @"", @"", @"", @""];// 数据源_dataArray = _redData;// 类型_changeFlag = CELL[Red];// 4秒钟之后切换cell
    [self performSelector:@selector(runSelector:)withObject:nilafterDelay:9];
}- (void)runSelector:(id)sender
{// 数据源_dataArray = _yellowData;// 类型_changeFlag = CELL[Yellow];// 重新加载数据
    [_tableView reloadData];
}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{return [_dataArray count];
}- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{UITableViewCell *cell = nil;if (indexPath.row == 0) // 第一格cell
    {cell = [[TitleCell alloc] initWithStyle:UITableViewCellStyleDefaultreuseIdentifier:CELL[Title]];cell.textLabel.font      = [UIFont fontWithName:@"HelveticaNeue-Thin" size:18];cell.textLabel.text      = @"YouXianMing";cell.textLabel.textColor = [UIColor redColor];cell.selectionStyle      = UITableViewCellSelectionStyleNone;}if (indexPath.row != 0) // 其他cell
    {if ([_changeFlag isEqualToString:CELL[Red]]){cell = [[RedCell alloc] initWithStyle:UITableViewCellStyleDefaultreuseIdentifier:CELL[Title]];cell.backgroundColor = [UIColor redColor];   // 红色cell.selectionStyle  = UITableViewCellSelectionStyleNone;}if ([_changeFlag isEqualToString:CELL[Yellow]]){cell = [[YellowCell alloc] initWithStyle:UITableViewCellStyleDefaultreuseIdentifier:CELL[Title]];cell.backgroundColor = [UIColor yellowColor]; // 黄色cell.selectionStyle  = UITableViewCellSelectionStyleNone;}}return cell;
}- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{if (indexPath.row == 0){return 70;}if ([_changeFlag isEqualToString:CELL[Red]]){return 100;}if ([_changeFlag isEqualToString:CELL[Yellow]]){return 200;}return 0;
}@end