element-x-ios/ElementX/Sources/Other/Extensions/Alert.swift

46 lines
1.6 KiB
Swift

//
// Copyright 2023 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import SwiftUI
protocol AlertItem {
var title: String { get }
}
extension View {
func alert<Item, Actions, Message>(item: Binding<Item?>, actions: (Item) -> Actions, message: (Item) -> Message) -> some View where Item: AlertItem, Actions: View, Message: View {
let binding = Binding<Bool>(get: {
item.wrappedValue != nil
}, set: { newValue in
if !newValue {
item.wrappedValue = nil
}
})
return alert(item.wrappedValue?.title ?? "", isPresented: binding, presenting: item.wrappedValue, actions: actions, message: message)
}
func alert<Item, Actions>(item: Binding<Item?>, actions: (Item) -> Actions) -> some View where Item: AlertItem, Actions: View {
let binding = Binding<Bool>(get: {
item.wrappedValue != nil
}, set: { newValue in
if !newValue {
item.wrappedValue = nil
}
})
return alert(item.wrappedValue?.title ?? "", isPresented: binding, presenting: item.wrappedValue, actions: actions)
}
}