yattee/Shared/Favorites/DropFavorite.swift
2021-11-01 22:56:18 +01:00

36 lines
817 B
Swift

import Foundation
import SwiftUI
struct DropFavorite: DropDelegate {
let item: FavoriteItem
@Binding var favorites: [FavoriteItem]
@Binding var current: FavoriteItem?
func dropEntered(info _: DropInfo) {
guard item != current else {
return
}
let from = favorites.firstIndex(of: current!)!
let to = favorites.firstIndex(of: item)!
guard favorites[to].id != current!.id else {
return
}
favorites.move(
fromOffsets: IndexSet(integer: from),
toOffset: to > from ? to + 1 : to
)
}
func dropUpdated(info _: DropInfo) -> DropProposal? {
DropProposal(operation: .move)
}
func performDrop(info _: DropInfo) -> Bool {
current = nil
return true
}
}