TableKit/Sources/TableRow.swift

116 lines
4.0 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 TableRow<CellType: ConfigurableCell>: Row where CellType: UITableViewCell {
open let item: CellType.T
private lazy var actions = [String: [RowAction]]()
private(set) open var editingActions: [UITableViewRowAction]?
open var hashValue: Int {
return ObjectIdentifier(self).hashValue
}
open var reuseIdentifier: String {
return CellType.reuseIdentifier
}
open var estimatedHeight: CGFloat? {
return CellType.estimatedHeight
}
open var defaultHeight: CGFloat? {
return CellType.defaultHeight
}
open var cellType: AnyClass {
return CellType.self
}
public init(item: CellType.T, actions: [TableRowAction<CellType>]? = nil, editingActions: [UITableViewRowAction]? = nil) {
self.item = item
self.editingActions = editingActions
actions?.forEach { on($0) }
}
// MARK: - RowConfigurable -
open func configure(_ cell: UITableViewCell) {
(cell as? CellType)?.configure(with: item)
}
// MARK: - RowActionable -
open func invoke(_ action: TableRowActionType, cell: UITableViewCell?, path: IndexPath) -> Any? {
return actions[action.key]?.flatMap({ $0.invokeActionOn(cell: cell, item: item, path: path) }).last
}
open func hasAction(_ action: TableRowActionType) -> Bool {
return actions[action.key] != nil
}
open func isEditingAllowed(forIndexPath indexPath: IndexPath) -> Bool {
if actions[TableRowActionType.canEdit.key] != nil {
return invoke(.canEdit, cell: nil, path: indexPath) as? Bool ?? false
}
return editingActions?.isEmpty == false || actions[TableRowActionType.clickDelete.key] != nil
}
// MARK: - actions -
@discardableResult
open func on(_ action: TableRowAction<CellType>) -> Self {
if actions[action.type.key] == nil {
actions[action.type.key] = [RowAction]()
}
actions[action.type.key]?.append(action)
return self
}
@discardableResult
open func on<T>(_ type: TableRowActionType, handler: @escaping (_ data: TableRowActionData<CellType>) -> T) -> Self {
return on(TableRowAction<CellType>(type, handler: handler))
}
// MARK: - deprecated actions -
@available(*, deprecated, message: "Use 'on' method instead")
@discardableResult
open func action(_ action: TableRowAction<CellType>) -> Self {
return on(action)
}
@available(*, deprecated, message: "Use 'on' method instead")
@discardableResult
open func action<T>(_ type: TableRowActionType, handler: @escaping (_ data: TableRowActionData<CellType>) -> T) -> Self {
return on(TableRowAction<CellType>(type, handler: handler))
}
}