我有一个自定义单元格类如下:Swift:我想知道什么是我点击的按钮的索引路径行?
class SizeAndQuantityCellView:UITableViewCell
{
@IBOutlet weak var imageview: UIImageView!
@IBOutlet weak var plusButton4x4: UIButton!
@IBOutlet weak var plusButton4x6: UIButton!
@IBOutlet weak var plusButton5x7: UIButton!
@IBOutlet weak var plusButton8x10: UIButton!
@IBOutlet weak var minusButton4x4: UIButton!
@IBOutlet weak var minusButton4x6: UIButton!
@IBOutlet weak var minusButton5x7: UIButton!
@IBOutlet weak var minusButton8x10: UIButton!
@IBOutlet weak var quantity4x4: UILabel!
@IBOutlet weak var quantity4x6: UILabel!
@IBOutlet weak var quantity5x7: UILabel!
@IBOutlet weak var quantity8x10: UILabel!
let sizeAndQuantityController = SizeAndQuantityController()
@IBAction func plusButtonClick(sender: UIButton)
{
let btnTag:Int = sender.tag
let tableView = sender.superview!.superview?.superview as! UITableView
let cellRow = tableView.indexPathForCell(self)?.row
sizeAndQuantityController.plusButtonClick(btnTag,cellRow: cellRow!)
}
@IBAction func minusButtonClick(sender: UIButton)
{
let btnTag:Int = sender.tag
let tableView = sender.superview!.superview?.superview as! UITableView
let cellRow = tableView.indexPathForCell(self)?.row
sizeAndQuantityController.plusButtonClick(btnTag,cellRow: cellRow!)
}
}
我想要做的就是当我点击加号按钮的数量应当由一个增加,当我点击减号按钮应该减一。 这是我为控制器类:
class SizeAndQuantityController
{
func plusButtonClick(tag:Int,cellRow:Int)
{
switch tag
{
case 13:
let quant = quantity4x4[cellRow]
quantity4x4[cellRow] = quant+1
break;
case 14:
let quant = quantity4x6[cellRow]
quantity4x6[cellRow] = quant+1
break;
case 15:
let quant = quantity5x7[cellRow]
quantity5x7[cellRow] = quant+1
break;
case 16:
let quant = quantity8x10[cellRow]
quantity8x10[cellRow] = quant+1
break;
default:
break
}
}
func minusButtonClick(tag:Int,cellRow:Int)
{
switch tag
{
case 17:
let quant = quantity4x4[cellRow]
quantity4x4[cellRow] = quant-1
break;
case 18:
let quant = quantity4x6[cellRow]
quantity4x6[cellRow] = quant-1
break;
case 19:
let quant = quantity5x7[cellRow]
quantity5x7[cellRow] = quant-1
break;
case 20:
let quant = quantity8x10[cellRow]
quantity8x10[cellRow] = quant-1
break;
default:
break
}
}
我已经给了不同的标签,所有的按钮。 当我运行应用程序时,它给了我以下错误:“无法将类型UITableViewWrapperView的值转换为UITableView的值”在我设置我的tableview的行。
做'sender.superview!.superview?.superview'是一个坏主意,如果苹果决定在未来的更新中更改它们的实现,您的代码将会中断。你应该有一个显式变量,用于从storyboard链接的tableview或 – Fonix
将cellForRow中按钮的标记设置为indexPath。row –
我有显式tableView变量链接storyboard,但它在ViewController类,但我想访问在上面给出的定制UITableViewCell类中的tableView – Ankit0047