NIMkit解析1

  id<NIMSessionContentConfig>config = [[NIMSessionContentConfigFactory sharedFacotry] configBy:model.message];  NSString *cellContent = [config cellContent:model.message];  return cellContent.length ? cellContent : @\"NIMSessionUnknowContentView\";

   id<NIMCellLayoutConfig> layoutConfig = [[NIMKit sharedKit] layoutConfig];   NSString *identity = [layoutConfig cellContent:model];   NIMMessageCell *cell = [tableView dequeueReusableCellWithIdentifier:identity];

NIMTextContentConfig<NIMSessionContentConfig>

- (NSString *)cellContent:(NIMMessage *)message

  NIMMessageType type = message.messageType;  id<NIMSessionContentConfig>config = [_dict objectForKey:@(type)];

     UITableViewCell *cell = nil;    id model = [[self.interactor items] objectAtIndex:indexPath.row];    if ([model isKindOfClass:[NIMMessageModel class]]) {        cell = [self.cellFactory cellInTable:tableView                                   forMessageMode:model];        [(NIMMessageCell *)cell setDelegate:self.delegate];        [(NIMMessageCell *)cell refreshData:model]; // 刷新控件以及控件上的数据    }    else if ([model isKindOfClass:[NIMTimestampModel class]])    {        cell = [self.cellFactory cellInTable:tableView                                     forTimeModel:model];    }

NIMMessageCellFactory

-(NIMMessageCell *)cellInTable:(UITableView *)tableView forMessageMode:(NIMMessageModel *)model

- (NIMSessionTimestampCell *)cellInTable:(UITableView *)tableView forTimeModel:(NIMTimestampModel *)model

     return @\"NIMSessionTextContentView\";

NIMCellLayoutConfig<NIMCellLayoutConfig>

- (NSString *)cellContent:(NIMMessageModel *)model

NIMSessionContentConfigFactory

- (id<NIMSessionContentConfig>)configBy:(NIMMessage *)message

id<NIMSessionInteractor> interactor;id<NIMMessageCellDelegate> delegate;NIMMessageCellFactory *cellFactory

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