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[英]How to reload data in table view by tapping the cell of collection view in swift
[英]How to reload the collection view data in table view cell after clicking another table view cell's collection view data in swift 3?
在這里,我正在表視圖單元格中動態加載集合視圖數據,並且表視圖單元格也是在動態 json 數組計數上創建的,在這里在集合視圖中選擇第一個表視圖單元格中的任何元素后,需要使用新數據重新加載集合視圖這是第二個表格視圖單元格中的任何人都可以幫助我如何在第二個表格視圖單元格 swift 3 中重新加載集合視圖,如果這是不可能的,任何人都可以向我提供任何替代布局來實現這一點嗎?
這是我的行方法的單元格
if indexPath.section == 0 {
let cell = addToCartTableView.dequeueReusableCell(withIdentifier: "addToCartCollectionCell") as! AddToCartCollectionTableViewCell
cell.configurableProduct = self.detailModel
print(self.detailModel)
cell.collectionView.tag = indexPath.row
self.addToCartTableView.setNeedsLayout()
self.addToCartTableView.layoutIfNeeded()
cell.collectionView.reloadData()
cell.cellLabel.text = detailModel?.extensionAttribute?.productOptions[indexPath.row].label
if detailModel?.extensionAttribute?.productOptions[indexPath.row].label == "Size"{
cell.sizeGuideBtn.isHidden = false
}else{
cell.sizeGuideBtn.isHidden = true
}
cell.getCurrentRow = indexPath.row
return cell
}else {
let cell = addToCartTableView.dequeueReusableCell(withIdentifier: "addToCartQtyCell") as! AddToCartQuantityTableViewCell
self.addToCartTableView.setNeedsLayout()
self.addToCartTableView.layoutIfNeeded()
cell.QtyLabel.text = "Qty"
return cell
}
這是我的表格視圖單元格代碼
override func awakeFromNib() {
super.awakeFromNib()
collectionView.delegate = self
collectionView.dataSource = self
print(getCurrentRow)
// Initialization code
}
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
return CGSize(width: 50, height: 30)
}
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
print(configurableProduct?.extensionAttribute?.productOptions[getCurrentRow].values.count)
return (configurableProduct?.extensionAttribute?.productOptions[getCurrentRow].values.count)!
}
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "CollectionViewCell", for: indexPath) as! AddToCartCollectionViewCell
if indexPath.item == 0 {
let items = configurableProduct?.extensionAttribute?.productOptions[getCurrentRow].values[indexPath.row]
cell.collectionLabel.text = "\(items?.valueIndex as! Int)"
if indexPath.item == self.selectedIndex{
cell.backgroundColor = #colorLiteral(red: 0.007509540026, green: 0.6581087804, blue: 0.01165772038, alpha: 1)
}else if self.selectedIndex == nil {
cell.backgroundColor = UIColor.white
}else{
cell.backgroundColor = UIColor.white
}
}
else {
if selectedValue != nil {
for item in (self.configurableProduct?.extensionAttribute?.productStock)! {
// let jsonStr = "{\"label\":\"57-175\",\"stock\":0}"
let dict = try! JSONSerialization.jsonObject(with: item.data(using: .utf8)!, options: []) as! [String:Any]
let labelValue = dict["label"] as! String
print(labelValue)
let values:[String] = labelValue.components(separatedBy: "-")
print(values)
self.colorNumber = Int(values[0])
self.sizeNumber = Int(values[1])
let stock = dict["stock"] as! Int
let value = selectedValue
if value == self.colorNumber {
if stock != 0 {
self.sizeArray.append(self.sizeNumber!)
print(self.sizeArray)
cell.collectionLabel.text = "\(self.sizeNumber)"
}
}
}
if indexPath.item == self.selectedIndex{
cell.backgroundColor = #colorLiteral(red: 0.007509540026, green: 0.6581087804, blue: 0.01165772038, alpha: 1)
}else if self.selectedIndex == nil {
cell.backgroundColor = UIColor.white
}else{
cell.backgroundColor = UIColor.white
}
}
else {
let items = configurableProduct?.extensionAttribute?.productOptions[getCurrentRow].values[indexPath.item]
print(items?.valueIndex)
for item in (self.configurableProduct?.extensionAttribute?.productStock)! {
// let jsonStr = "{\"label\":\"57-175\",\"stock\":0}"
let dict = try! JSONSerialization.jsonObject(with: item.data(using: .utf8)!, options: []) as! [String:Any]
let labelValue = dict["label"] as! String
print(labelValue)
let values:[String] = labelValue.components(separatedBy: "-")
print(values)
self.colorNumber = Int(values[0])
self.sizeNumber = Int(values[1])
let stock = dict["stock"] as! Int
let value = self.selectedIndex
if value == self.colorNumber {
if stock != 0 {
self.sizeArray.append(self.sizeNumber!)
print(self.sizeArray)
cell.collectionLabel.text = "\(items?.valueIndex as! Int)"
}
}else {
cell.collectionLabel.text = "\(items?.valueIndex as! Int)"
}
}
if indexPath.item == self.selectedIndex{
cell.backgroundColor = #colorLiteral(red: 0.007509540026, green: 0.6581087804, blue: 0.01165772038, alpha: 1)
}else if self.selectedIndex == nil {
cell.backgroundColor = UIColor.white
}else{
cell.backgroundColor = UIColor.white
}
}
}
return cell
}
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
if collectionView.tag == 0 {
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "CollectionViewCell", for: indexPath) as! AddToCartCollectionViewCell
cell.backgroundColor = #colorLiteral(red: 0.007509540026, green: 0.6581087804, blue: 0.01165772038, alpha: 1)
cell.collectionLabel.layer.cornerRadius = 15
cell.collectionLabel.layer.borderColor = #colorLiteral(red: 0.007509540026, green: 0.6581087804, blue: 0.01165772038, alpha: 1)
self.dataSelected = true
self.selectedIndex = indexPath.item
print(self.selectedIndex)
self.collectionView.reloadData()
self.sizeArray.removeAll()
self.selectedValue = configurableProduct?.extensionAttribute?.productOptions[1].values[indexPath.item].valueIndex
self.getCurrentRow = 1
self.collectionView.reloadData()
print(self.selectedValue)
}
else {
print(collectionView.tag)
}
}
這是我的布局圖片
在集合視圖的 didSelectItemAt 中,通過執行重新加載包含大小的表格單元格
let indexpath = IndexPath(item: value, section: 0)
tableview.reloadRows(at: [indexpath], with: .none)
這里的值是要更新的行的位置
創建一個新變量“cellObj”,其數據類型與添加集合視圖的自定義單元格相同。
var cellObj:AddToCartCollectionTableViewCell!
在此行后添加分配 cellObj 值后。
let cell = addToCartTableView.dequeueReusableCell(withIdentifier: "addToCartCollectionCell") as! AddToCartCollectionTableViewCell
cellObj = cell
*** 完成后,您可以在任何地方重新加載集合視圖。
cellObj.collectionView.reloadData()
DispatchQueue.main.async {
// cell!.tableView.reloadData()
collectionView.reloadItems(at: [indexPath])
cell!.tableView.reloadData()
}
})
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