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