Question

如何制作可滑动的集合视图单元格以在swift中显示删除按钮？

我有一个用这段代码删除单元格的功能

{defer, dispatch} = Turbolinks

handleEvent = (eventName, handler) ->
  document.addEventListener(eventName, handler, false)

translateEvent = ({from, to}) ->
  handler = (event) ->
    event = dispatch(to, target: event.target, cancelable: event.cancelable, data: event.data)
    event.preventDefault() if event.defaultPrevented
  handleEvent(from, handler)

translateEvent from: "turbolinks:click", to: "page:before-change"
translateEvent from: "turbolinks:request-start", to: "page:fetch"
translateEvent from: "turbolinks:request-end", to: "page:receive"
translateEvent from: "turbolinks:before-cache", to: "page:before-unload"
translateEvent from: "turbolinks:render", to: "page:update"
translateEvent from: "turbolinks:load", to: "page:change"
translateEvent from: "turbolinks:load", to: "page:update"

loaded = false
handleEvent "DOMContentLoaded", ->
  defer ->
    loaded = true
handleEvent "turbolinks:load", ->
  if loaded
    dispatch("page:load")

jQuery?(document).on "ajaxSuccess", (event, xhr, settings) ->
  if jQuery.trim(xhr.responseText).length > 0
    dispatch("page:update")

使用此手势调用

func reset(sender: UISwipeGestureRecognizer) {

    let cell = sender.view as! UICollectionViewCell
    let i = self.collectionView.indexPathForCell(cell)!.item
    deleteDateFromArray(i)
    deleteImageFromArray(i)
    deleteSinceLabelFromArray(i)
    self.collectionView.reloadData() // replace favoritesCV with your own collection view.
}

但是我想要一个与邮件应用程序完全相同的手势，即在单元格上向左滑动它会显示删除按钮吗？

由于

Answer 1

我不认为UICollectionView提供了这种便利（您可能在UITableView中看到了它）。这意味着你可能必须自己实现它。

如何使可滑动的集合视图单元格显示删除按钮Swift

1 个答案: