TableKit/Sources/TableRowAction.swift

84 lines
3.2 KiB
Swift

//
// Copyright (c) 2015 Max Sokolov https://twitter.com/max_sokolov
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import UIKit
open class TableRowActionOptions<CellType: ConfigurableCell> where CellType: UITableViewCell {
public let item: CellType.CellData
public let cell: CellType?
public let indexPath: IndexPath
public let userInfo: [AnyHashable: Any]?
init(item: CellType.CellData, cell: CellType?, path: IndexPath, userInfo: [AnyHashable: Any]?) {
self.item = item
self.cell = cell
self.indexPath = path
self.userInfo = userInfo
}
}
private enum TableRowActionHandler<CellType: ConfigurableCell> where CellType: UITableViewCell {
case voidAction((TableRowActionOptions<CellType>) -> Void)
case action((TableRowActionOptions<CellType>) -> Any?)
func invoke(withOptions options: TableRowActionOptions<CellType>) -> Any? {
switch self {
case .voidAction(let handler):
return handler(options)
case .action(let handler):
return handler(options)
}
}
}
open class TableRowAction<CellType: ConfigurableCell> where CellType: UITableViewCell {
open var id: String?
public let type: TableRowActionType
private let handler: TableRowActionHandler<CellType>
public init(_ type: TableRowActionType, handler: @escaping (_ options: TableRowActionOptions<CellType>) -> Void) {
self.type = type
self.handler = .voidAction(handler)
}
public init(_ key: String, handler: @escaping (_ options: TableRowActionOptions<CellType>) -> Void) {
self.type = .custom(key)
self.handler = .voidAction(handler)
}
public init<T>(_ type: TableRowActionType, handler: @escaping (_ options: TableRowActionOptions<CellType>) -> T) {
self.type = type
self.handler = .action(handler)
}
public func invokeActionOn(cell: UITableViewCell?, item: CellType.CellData, path: IndexPath, userInfo: [AnyHashable: Any]?) -> Any? {
return handler.invoke(withOptions: TableRowActionOptions(item: item, cell: cell as? CellType, path: path, userInfo: userInfo))
}
}