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#import "ViewController.h" #import "JWMessage.h" #import "JWChatCell.h" #import "JWMessageFrame.h" #import "UIImage+JWRsizeImage.h" @interfaceViewController ()<UITableViewDataSource,UITableViewDelegate,UITextFieldDelegate> @property (strong, nonatomic) NSMutableArray *messageDatas; @property (weak, nonatomic) IBOutletUITableView *tableView; @property (weak, nonatomic) IBOutletUIView *toolbar; @property (weak, nonatomic) IBOutletUITextField *inputText; @property (strong, nonatomic) NSDictionary *replayDatas; @end @implementation ViewController -(NSDictionary *)replayDatas { if (!_replayDatas) { _replayDatas = [NSDictionarydictionaryWithContentsOfFile:[[NSBundlemainBundle] pathForResource:@"repaly.plist"ofType:nil]]; } return_replayDatas; } -(NSMutableArray *)messageDatas { if (!_messageDatas) {
NSArray *allDatas = [NSArrayarrayWithContentsOfFile:[[NSBundlemainBundle] pathForResource:@"messages.plist"ofType:nil]]; NSMutableArray *tempArr = [NSMutableArrayarray]; for (NSDictionary *dict in allDatas) {
// 可以拿到上个message JWMessage *lastMessage = (JWMessage *)[[tempArr lastObject] message];
JWMessage *message = [JWMessagemessageWithDict:dict];
if ([lastMessage.timeisEqualToString:message.time]) { message.hiddenTime = YES; }
JWMessageFrame *messageFrame = [[JWMessageFramealloc]init]; messageFrame.message = message;
[tempArr addObject:messageFrame]; } _messageDatas = tempArr; } return_messageDatas; } - (void)viewDidLoad { [superviewDidLoad]; self.tableView.backgroundColor = [UIColorcolorWithRed:223/255.0 green:223/255.0 blue:223/255.0 alpha:1];
// 不允许点击选中 self.tableView.allowsSelection = NO;
// 注册通知 // 键盘的frame改变的时候就会接受到通知，调用“self”的“keyboardWillChangeFrame” // [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(keyboardWillChangeFrame:) name:UIKeyboardWillChangeFrameNotification object:nil];
// 键盘将要显示的时候就会接受到通知 [[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(keyboardWillShow:) name: UIKeyboardWillShowNotificationobject:nil]; // 键盘将要隐藏的时候就会接受到通知 [[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotificationobject:nil];
// 设置textField的leftView self.inputText.leftView = [[UIViewalloc]initWithFrame:CGRectMake(0, 0, 10, 0)]; self.inputText.leftViewMode = UITextFieldViewModeAlways;
self.inputText.delegate = self; } -(void)keyboardWillShow:(NSNotification *)noti {
NSLog(@"%@",noti); // 拿到键盘弹出时间 CGFloat showDuration = [noti.userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue];
// 动画弹出toolbar CGFloat keyboardHeight = [noti.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue].size.height;
// 动画上移toolbar // [UIView animateWithDuration:showDuration animations:^{ // // self.toolbar.transform = CGAffineTransformMakeTranslation(0, -keyboardHeight); // }];
/* UIKeyboardAnimationCurveUserInfoKey = 7; 弹出的快慢 UIKeyboardAnimationDurationUserInfoKey = "0.25"; 时间 UIKeyboardBoundsUserInfoKey = "NSRect: {{0, 0}, {375, 252}}"; UIKeyboardCenterBeginUserInfoKey = "NSPoint: {187.5, 559}"; UIKeyboardCenterEndUserInfoKey = "NSPoint: {187.5, 541}"; UIKeyboardFrameBeginUserInfoKey = "NSRect: {{0, 451}, {375, 216}}"; UIKeyboardFrameEndUserInfoKey = "NSRect: {{0, 415}, {375, 252}}"; */
[UIViewanimateWithDuration:showDuration delay:0.0 options:7 << 16 animations:^{ self.toolbar.transform = CGAffineTransformMakeTranslation(0, -keyboardHeight);
} completion:^(BOOL finished) {
}];
} -(void)keyboardWillHide:(NSNotification *)noti { CGFloat hiddenDuration = [noti.userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue];
// 动画还原位置 [UIViewanimateWithDuration:hiddenDuration animations:^{ self.toolbar.transform = CGAffineTransformIdentity; }]; } -(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { returnself.messageDatas.count; } -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { JWChatCell *cell = [JWChatCellcellWithTableView:tableView];
JWMessageFrame *messageFrame = self.messageDatas[indexPath.row];
cell.messageFrame = messageFrame;
return cell; } -(BOOL)prefersStatusBarHidden { returnYES; } -(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { JWMessageFrame *messageFrame = self.messageDatas[indexPath.row]; return messageFrame.cellHeight; } -(void)scrollViewWillBeginDragging:(UIScrollView *)scrollView { [self.viewendEditing:YES]; } #pragma mark - UITextFiledDelegate -(BOOL)textFieldShouldReturn:(UITextField *)textField {
// 弄个数据，放到数组，tableView就显示出来你这条数据了 [selfaddMessageWithString:textField.textwithType:JWMessageTypeMe]; // 在弄一个数据，放到数组里
NSString *replayStr = nil; // 钱是好东西 for (int i = 0 ; i < textField.text.length; i ++) {
NSRange range = NSMakeRange(i, 1);
NSString *currentStr = [textField.textsubstringWithRange:range]; NSLog(@"%@------",currentStr);
for (NSString *key inself.replayDatas) {
NSLog(@"%@----------------",key);
if ([key isEqualToString:currentStr]) { replayStr = self.replayDatas[key]; break; } } }
if (!replayStr) { replayStr = [NSStringstringWithFormat:@"%@？什么东西",textField.text]; }
[selfaddMessageWithString:replayStr withType:JWMessageTypeYou];
// 刷新 [self.tableViewreloadData];
// 滚动tableView
NSIndexPath *indexPath = [NSIndexPathindexPathForRow:self.messageDatas.count - 1 inSection:0]; [self.tableViewscrollToRowAtIndexPath:indexPath atScrollPosition:UITableViewScrollPositionBottomanimated:YES];
// 清空textField textField.text = nil;
returnYES; } -(void)addMessageWithString:(NSString *)str withType:(JWMessageType)type { JWMessage *lastMessage = (JWMessage *)[[self.messageDataslastObject] message];
JWMessage *message = [[JWMessagealloc]init];
NSDate *now = [[NSDatealloc]init];
NSDateFormatter *fm = [[NSDateFormatteralloc]init]; // HH:代表hour（24小时制） // hh:代表hour（12小时制）
fm.dateFormat = @"HH:mm";
NSString *norStr = [fm stringFromDate:now];
message.time = norStr; message.type = type; message.text = str; message.hiddenTime = [lastMessage.timeisEqualToString:message.time];
JWMessageFrame *messageFrame = [[JWMessageFramealloc]init]; messageFrame.message = message;
[self.messageDatasaddObject:messageFrame];
} @end |
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#import "JWMessageFrame.h" #import <UIKit/UIKit.h> #import "NSString+JWSizeWithFont.h" @implementation JWMessageFrame -(void)setMessage:(JWMessage *)message { _message = message;
CGFloat margin = 10; CGFloat screenW = [UIScreenmainScreen].bounds.size.width;
// 计算子控件frame
if(!message.hiddenTime) { CGFloat timeLabelX = 0; CGFloat timeLabelY = 0; CGFloat timeLabelW = screenW; CGFloat timeLabelH = 30; self.timeLabelF = CGRectMake(timeLabelX, timeLabelY, timeLabelW, timeLabelH); } CGFloat iconViewX; CGFloat iconViewW = 35; CGFloat iconViewH = iconViewW;
if (JWMessageTypeMe == self.message.type) { // 我说的 iconViewX = screenW - margin - iconViewW; } else { iconViewX = margin; } CGFloat iconViewY = CGRectGetMaxY(self.timeLabelF) + margin;
self.iconViewF = CGRectMake(iconViewX, iconViewY, iconViewW, iconViewH); CGFloat wordsBtnY = self.iconViewF.origin.y; CGSize wordsSize = [message.textsizeWithFont:[UIFontsystemFontOfSize:15] withMaxWidth:200];
CGFloat wordsBtnW = wordsSize.width + kEdgeInsets * 2; CGFloat wordsBtnH = wordsSize.height + kEdgeInsets * 2;
CGFloat wordsBtnX; if (JWMessageTypeMe == message.type) { wordsBtnX = screenW - margin * 2 - self.iconViewF.size.width - wordsBtnW; } else { wordsBtnX = margin * 2 + self.iconViewF.size.width; } self.wordsBtnF = CGRectMake(wordsBtnX, wordsBtnY, wordsBtnW, wordsBtnH);
// cell高度 self.cellHeight = CGRectGetMaxY(self.wordsBtnF);
} @end |
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#import "JWChatCell.h" #import "UIImage+JWRsizeImage.h" @interfaceJWChatCell () @property (strong, nonatomic) UIImageView *iconView; @property (strong, nonatomic) UILabel *timeLabel; @property (strong, nonatomic) UIButton *wordsBtn; @end @implementation JWChatCell -(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier { if (self = [superinitWithStyle:style reuseIdentifier:reuseIdentifier]) { // 添加子控件 UILabel *timeLabel = [[UILabelalloc]init]; timeLabel.textAlignment = NSTextAlignmentCenter; [self.contentViewaddSubview:timeLabel]; timeLabel.textColor = [UIColorgrayColor]; timeLabel.font = [UIFontsystemFontOfSize:13]; self.timeLabel = timeLabel;
UIImageView *iconView = [[UIImageViewalloc]init]; [self.contentViewaddSubview:iconView]; self.iconView = iconView;
UIButton *wordsBtn = [[UIButtonalloc]init]; // wordsBtn.backgroundColor = [UIColor redColor];
[self.contentViewaddSubview:wordsBtn]; self.wordsBtn = wordsBtn; [wordsBtn setTitleColor:[UIColorblackColor] forState:UIControlStateNormal]; wordsBtn.titleLabel.font = [UIFontsystemFontOfSize:15]; wordsBtn.titleLabel.numberOfLines = 0; wordsBtn.contentEdgeInsets = UIEdgeInsetsMake(kEdgeInsets , kEdgeInsets, kEdgeInsets, kEdgeInsets);
self.backgroundColor = [UIColorclearColor];
UIView *view = [[UIViewalloc]init]; // view.backgroundColor = [UIColor colorWithRed:223/255.0 green:223/255.0 blue:223/255.0 alpha:1]; // self.selectedBackgroundView = view; } returnself; } +(instancetype)cellWithTableView:(UITableView *)tableView { staticNSString *str = @"cell"; JWChatCell *cell = [tableView dequeueReusableCellWithIdentifier:str]; if (!cell) { cell = [[JWChatCellalloc]initWithStyle:UITableViewCellStyleSubtitlereuseIdentifier:str]; }
return cell; } -(void)setMessageFrame:(JWMessageFrame *)messageFrame { _messageFrame = messageFrame;
// 给子控件赋值 self.timeLabel.text = messageFrame.message.time;
if (JWMessageTypeMe == messageFrame.message.type) {
self.iconView.image = [UIImageimageNamed:@"me"]; } else { self.iconView.image = [UIImageimageNamed:@"other"]; }
[self.wordsBtnsetTitle:messageFrame.message.textforState:UIControlStateNormal];
// 设置背景
if (JWMessageTypeMe == messageFrame.message.type) { UIImage *norImage = [UIImageresizebleImageWithName:@"chat_send_nor"]; [self.wordsBtnsetBackgroundImage:norImage forState:UIControlStateNormal]; } else { UIImage *norImage = [UIImageresizebleImageWithName:@"chat_recive_nor"]; [self.wordsBtnsetBackgroundImage:norImage forState:UIControlStateNormal]; }
// 给子控件设置frame self.timeLabel.frame = messageFrame.timeLabelF; self.iconView.frame = messageFrame.iconViewF; self.wordsBtn.frame = messageFrame.wordsBtnF; } @end |