59 lines
2.4 KiB
Swift
59 lines
2.4 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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class TableCellRegisterer {
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private var registeredIds = Set<String>()
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private weak var tableView: UITableView?
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init(tableView: UITableView?) {
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self.tableView = tableView
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}
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func register(cellType: AnyClass, forCellReuseIdentifier reuseIdentifier: String) {
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if registeredIds.contains(reuseIdentifier) {
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return
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}
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// check if cell is already registered, probably cell has been registered by storyboard
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if tableView?.dequeueReusableCell(withIdentifier: reuseIdentifier) != nil {
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registeredIds.insert(reuseIdentifier)
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return
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}
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let bundle = Bundle(for: cellType)
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// we hope that cell's xib file has name that equals to cell's class name
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// in that case we could register nib
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if let _ = bundle.path(forResource: reuseIdentifier, ofType: "nib") {
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tableView?.register(UINib(nibName: reuseIdentifier, bundle: bundle), forCellReuseIdentifier: reuseIdentifier)
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// otherwise, register cell class
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} else {
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tableView?.register(cellType, forCellReuseIdentifier: reuseIdentifier)
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}
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registeredIds.insert(reuseIdentifier)
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}
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}
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