IOS第九天(1:QQ聊天界面frame模型)

 

///  控制层

#import "HMViewController.h"
#import "HMMessageModel.h"
#import "HMMessageCell.h"
#import "HMMessageFrameModel.h"
@interface HMViewController ()<UITableViewDataSource,UITableViewDelegate>

@property (nonatomic, strong)NSMutableArray *messages;

@end

@implementation HMViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    
}

- (NSMutableArray *)messages
{
    if (_messages == nil) {
        
        NSArray * array = [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"messages.plist" ofType:nil]];
        
        NSMutableArray *messageArr = [NSMutableArray array];
        for (NSDictionary *dict in array) {
            HMMessageModel *messga = [HMMessageModel messageWithDict:dict];
            
            HMMessageFrameModel *fm = [[HMMessageFrameModel alloc]init];
            fm.message = messga;
            
            [messageArr addObject:fm];
        }
        
        _messages = messageArr;        
    }
    
    return _messages;
}
//隐藏状态栏
- (BOOL)prefersStatusBarHidden
{
    return YES;
}

#pragma mark tableview数据源方法
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return self.messages.count;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    HMMessageFrameModel *model = self.messages[indexPath.row];
    return model.cellH;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    HMMessageCell *cell = [HMMessageCell messageCellWithTableView:tableView];
    HMMessageFrameModel *model = self.messages[indexPath.row];
    
    cell.frameMessage = model;
    
    return cell;
}



- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

#import <UIKit/UIKit.h>

@interface HMViewController : UIViewController

@end

 ///   model.h

#import <Foundation/Foundation.h>
typedef enum {
    HMMessageModelGatsby = 0,//Gatsby
    HMMessageModelJobs//Jobs
}HMMessageModelType;
@interface HMMessageModel : NSObject

//正文
@property (nonatomic, copy)NSString *text;

//时间
@property (nonatomic, copy)NSString *time;

//发送类型
@property (nonatomic, assign)HMMessageModelType type;

- (instancetype)initWithDict:(NSDictionary *)dict;

+ (instancetype)messageWithDict:(NSDictionary *)dict;

@end

  *****model.m

#import "HMMessageModel.h"

@implementation HMMessageModel

- (instancetype)initWithDict:(NSDictionary *)dict
{
    if (self = [super init]) {
        [self setValuesForKeysWithDictionary:dict];
    }
    
    return self;
}

+ (instancetype)messageWithDict:(NSDictionary *)dict
{
    return [[self alloc] initWithDict:dict];
}

@end

******modelframe.h

#import <Foundation/Foundation.h>
@class HMMessageModel;
@interface HMMessageFrameModel : NSObject

//时间的frame
@property (nonatomic, assign,readonly)CGRect timeF;

//正文的frame
@property (nonatomic, assign,readonly)CGRect textViewF;

//图片
@property (nonatomic, assign,readonly)CGRect iconF;

//cell
@property (nonatomic, assign,readonly)CGFloat cellH;

//数据模型
@property (nonatomic, strong)HMMessageModel *message;
@end

******modelframe.m

#import "HMMessageFrameModel.h"
#import "Constant.h"
#import "HMMessageModel.h"
@implementation HMMessageFrameModel

- (void)setMessage:(HMMessageModel *)message
{
    _message = message;
    
    CGFloat padding = 10;
    //1. 时间
    CGFloat timeX = 0;
    CGFloat timeY = 0;
    CGFloat timeW = bScreenWidth;
    CGFloat timeH = bNormalH;
    
    _timeF = CGRectMake(timeX, timeY, timeW, timeH);
    
    //2.头像
    CGFloat iconX;
    CGFloat iconY = CGRectGetMaxY(_timeF);
    CGFloat iconW = bIconW;
    CGFloat iconH = bIconH;
    
    if (message.type == HMMessageModelGatsby) {//自己发的
        
        iconX = bScreenWidth - iconW - padding;
        
    }else{//别人发的
        iconX = padding;
    }
    
    _iconF =  CGRectMake(iconX, iconY, iconW, iconH);
    //3.正文
    
    CGFloat textX;
    CGFloat textY = iconY;
    
    CGSize textMaxSize = CGSizeMake(150, MAXFLOAT);
    CGSize textRealSize = [message.text boundingRectWithSize:textMaxSize options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:bBtnFont} context:nil].size;
    
    if (message.type == HMMessageModelGatsby) {
        textX = bScreenWidth - iconW - padding - textMaxSize.width;
    }else{
        textX = padding + iconW;
    }
    
//    _textViewF = CGRectMake(textX, textY, <#CGFloat width#>, <#CGFloat height#>)
    _textViewF = (CGRect){{textX,textY},textRealSize};
    
    //4.cell高度
    
    CGFloat iconMaxY = CGRectGetMaxY(_iconF);
    CGFloat textMaxY = CGRectGetMaxY(_textViewF);
    
    _cellH = MAX(iconMaxY, textMaxY);
    
    
}

@end

****cell.h

#import <UIKit/UIKit.h>
@class HMMessageFrameModel;
@interface HMMessageCell : UITableViewCell

+ (instancetype)messageCellWithTableView:(UITableView *)tableview;

//frame 的模型
@property (nonatomic, strong)HMMessageFrameModel *frameMessage;

@end

****cell.m

#import "HMMessageCell.h"
#import "HMMessageFrameModel.h"
#import "HMMessageModel.h"
#import "Constant.h"
@interface HMMessageCell()
//时间
@property (nonatomic, weak)UILabel *time;
//正文
@property (nonatomic, weak)UIButton *textView;
//用户头像
@property (nonatomic, weak)UIImageView *icon;

@end

@implementation HMMessageCell
+ (instancetype)messageCellWithTableView:(UITableView *)tableview
{
    static NSString *ID = @"messageCell";
    HMMessageCell *cell = [tableview dequeueReusableCellWithIdentifier:ID];
    if (cell == nil) {
        cell = [[self alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID];
    }
    
    return cell;
}
// 初始化控件
- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
       //1.时间
        UILabel *time = [[UILabel alloc]init];
        time.textAlignment = NSTextAlignmentCenter;
        time.font = [UIFont systemFontOfSize:13.0f];
        [self.contentView addSubview:time];
        self.time = time;
        
        //1.正文
        UIButton *textView = [[UIButton alloc]init];
        textView.backgroundColor = [UIColor grayColor];
        textView.titleLabel.font = bBtnFont;
        textView.titleLabel.numberOfLines = 0;//自动换行
        [self.contentView addSubview:textView];
        self.textView = textView;
        
        //1.头像
        UIImageView *icon = [[UIImageView alloc]init];
        [self.contentView addSubview:icon];
        self.icon = icon;
        
    }
    return self;
}
// 设置位置和值
- (void)setFrameMessage:(HMMessageFrameModel *)frameMessage
{
    _frameMessage = frameMessage;
    
    HMMessageModel *model = frameMessage.message;
    
    //1.时间
    self.time.frame = frameMessage.timeF;
    self.time.text = model.time;
    
    //2.头像
    self.icon.frame = frameMessage.iconF;
    if (model.type == HMMessageModelGatsby) {
        self.icon.image = [UIImage imageNamed:@"Gatsby"];
    }else{
        self.icon.image = [UIImage imageNamed:@"Jobs"];
    }
    
    //3.正文
    self.textView.frame = frameMessage.textViewF;
    [self.textView setTitle:model.text forState:UIControlStateNormal];
    
}
@end