100 lines
3.2 KiB
Swift
100 lines
3.2 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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/**
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Responsible for building a certain table view section.
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Can host several row builders.
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*/
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public class TableSectionBuilder {
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weak var tableDirector: TableDirector? {
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didSet {
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guard let director = tableDirector else { return }
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builders.forEach { $0.willUpdateDirector(director) }
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}
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}
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private var builders = [RowBuilder]()
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public var headerTitle: String?
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public var footerTitle: String?
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public private(set) var headerView: UIView?
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public private(set) var footerView: UIView?
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/// A total number of rows in section of each row builder.
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public var numberOfRowsInSection: Int {
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return builders.reduce(0) { $0 + $1.numberOfRows }
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}
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public init(rows: [RowBuilder]? = nil) {
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if let initialRows = rows {
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builders.appendContentsOf(initialRows)
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}
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}
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public convenience init(headerTitle: String?, footerTitle: String?, rows: [RowBuilder]?) {
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self.init(rows: rows)
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self.headerTitle = headerTitle
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self.footerTitle = footerTitle
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}
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public convenience init(headerView: UIView?, footerView: UIView?, rows: [RowBuilder]?) {
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self.init(rows: rows)
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self.headerView = headerView
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self.footerView = footerView
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}
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// MARK: - Public -
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public func clear() {
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builders.removeAll()
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}
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public func append(row row: RowBuilder) {
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append(rows: [row])
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}
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public func append(rows rows: [RowBuilder]) {
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if let director = tableDirector { rows.forEach { $0.willUpdateDirector(director) } }
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builders.appendContentsOf(rows)
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}
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// MARK: - Internal -
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func builderAtIndex(index: Int) -> (RowBuilder, Int)? {
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var builderIndex = index
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for builder in builders {
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if builderIndex < builder.numberOfRows {
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return (builder, builderIndex)
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}
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builderIndex -= builder.numberOfRows
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}
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return nil
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}
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} |