Cell Basedd的NSTableView中使用NSPopUpButtonCell，本人示例是动态设置的数据源。然后根据网络来的数据显示选中项。
这个东西坑的确很多，试了好多次才成功，而且没有官方文档。
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//绑定数据源 -(id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row{ NSString *identifier = [tableColumn identifier]; NSDictionary *domainDic = [_records jk_objectWithIndex:row]; if([identifier isEqualToString:@"type"]){ //设置新数据 NSPopUpButtonCell *popCell = [tableColumn dataCellForRow:row]; [popCell removeAllItems]; for(int i=0;i<= [_types count];i++){ [popCell addItemWithTitle:[_types jk_objectWithIndex:i]?:@""]; } //[popCell selectItemWithTitle:[domainDic jk_stringForKey:@"type"]]; //NSPopUpButtonCell 要返回index，带入默认选中项 return [NSNumber numberWithInteger:[popCell indexOfItemWithTitle:[domainDic jk_stringForKey:@"type"]]]; } return nil; } //更改显示数据 - (void)tableView:(NSTableView *)tableView setObjectValue:(nullable id)object forTableColumn:(nullable NSTableColumn *)tableColumn row:(NSInteger)row{ NSMutableDictionary *domainDic = [[_records jk_objectWithIndex:row] mutableCopy]; NSString *identifier = [tableColumn identifier]; if([identifier isEqualToString:@"type"]){ //注意object为选中的index NSPopUpButtonCell *popCell = [tableColumn dataCellForRow:row]; NSMenuItem *menuItem = [popCell itemAtIndex:[object integerValue]]; NSLog(@"%@", [menuItem title]); //DEBUG [domainDic setObject:[menuItem title] forKey:@"type"]; } [_records replaceObjectAtIndex:row withObject:domainDic]; } |
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