51 lines
1.5 KiB
Swift
51 lines
1.5 KiB
Swift
//
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// Copyright 2021 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import Foundation
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/// Class to build an event menu.
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@objcMembers
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class EventMenuBuilder: NSObject {
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private var items: [EventMenuItemType: UIAlertAction] = [:]
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/// Returns true if no items or only one item with the type `EventMenuItemType.cancel`.
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var isEmpty: Bool {
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return items.isEmpty || (items.count == 1 && items.first?.key == .cancel)
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}
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/// Add a menu item.
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/// - Parameters:
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/// - type: item type
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/// - action: alert action
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func addItem(withType type: EventMenuItemType,
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action: UIAlertAction) {
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items[type] = action
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}
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/// Builds the action menu items.
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/// - Returns: alert actions. Sorted by item types.
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func build() -> [UIAlertAction] {
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items.sorted(by: { $0.key < $1.key }).map { $1 }
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}
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/// Reset the builder. Builder will be empty after this method call.
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func reset() {
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items.removeAll()
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}
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}
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