TableKit/Sources/TableRow.swift

87 lines
3.0 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
public protocol RowConfigurable {
func configure(cell: UITableViewCell)
}
public protocol RowActionable {
func invoke(action: TableRowActionType, cell: UITableViewCell?, path: NSIndexPath) -> Any?
func hasAction(action: TableRowActionType) -> Bool
}
public protocol Row: RowConfigurable, RowActionable {
var reusableIdentifier: String { get }
var estimatedHeight: CGFloat { get }
var defaultHeight: CGFloat { get }
}
public class TableRow<ItemType, CellType: ConfigurableCell where CellType.T == ItemType, CellType: UITableViewCell>: Row {
public let item: ItemType
private lazy var actions = [String: TableRowAction<ItemType, CellType>]()
public var reusableIdentifier: String {
return CellType.reusableIdentifier()
}
public var estimatedHeight: CGFloat {
return CellType.estimatedHeight()
}
public var defaultHeight: CGFloat {
return CellType.defaultHeight() ?? UITableViewAutomaticDimension
}
public init(item: ItemType, actions: [TableRowAction<ItemType, CellType>]? = nil) {
self.item = item
actions?.forEach { self.actions[$0.type.key] = $0 }
}
// MARK: - RowConfigurable -
public func configure(cell: UITableViewCell) {
(cell as? CellType)?.configure(item)
}
// MARK: - RowActionable -
public func invoke(action: TableRowActionType, cell: UITableViewCell?, path: NSIndexPath) -> Any? {
return actions[action.key]?.invoke(item: item, cell: cell, path: path)
}
public func hasAction(action: TableRowActionType) -> Bool {
return actions[action.key] != nil
}
// MARK: - actions -
public func addAction(action: TableRowAction<ItemType, CellType>) -> Self {
actions[action.type.key] = action
return self
}
}