「文化を調和させる」 をやってみる Try “Blending Culture”

■ Special Thanks To:
- Daniel H Steinberg
Twitter（https://twitter.com/dimsumthinking）
Web Site（http://dimsumthinking.com/）

■ Sample repo
- https://github.com/masashi-sutou/BlendingCulturesExample

Transcript

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2. ·ͣ࠷ॳʹʜɻ 
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4. ʮจԽΛௐ࿨ͤ͞Δʯͱ͸ʁ w USZ
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5. – Daniel H Steinberg l4XJGUͰΞϓϦέʔγϣϯΛॻ͘ͱ͍͏͜ͱ͸0CKFDUJWF$ Ͱॻ͔ΕͨΞϓϦέʔγϣϯΛͨͩ4XJGUʹॻ͖׵͑Δ͚ͩ Ͱͳ͘ɺ4XJGUͷಛ௃΍఩ֶΛड͚ೖΕΔඞཁ͕͋Γ·͢ɻ ͜ͷߨԋͰ͸ɺඪ४తͳ.7$Ͱߏ੒͞ΕͨςʔϒϧϏϡʔ Λ࢖༻ͨ͠ΞϓϦέʔγϣϯΛ4XJGUʹॻ͖׵͑Δͱ͜Ζ͔ Β࢝·ΓɺΑΓ4XJGUΒ͍͠ίʔυʹ͢ΔͨΊʹɺؔ਺ܕϓ ϩάϥϛϯάɺΦϒδΣΫτࢦ޲ϓϩάϥϛϯάɺσβΠϯ ύλʔϯɺϓϩτίϧࢦ޲ϓϩάϥϛϯάͷߟ͑ํΛద༻͠ ͍͖ͯ·͢ɻz ʮจԽΛௐ࿨ͤ͞Δʯͱ͸ʁ 
6. ௐ࿨͍ͤͨ͞จԽͨͪ w 001
   
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   w .7$
   
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7. #MFOEJOH
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8. #MFOEJOH
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9. $POUSPMMFS 7JFX )BOE #MFOEJOH
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10. $POUSPMMFS )BOE .BJO
    TUPSZCPBSE #MFOEJOH
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11. )BOE )BOE7$ .BJO
    TUPSZCPBSE #MFOEJOH
    $VMUVSF
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12. 'JSTU
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    w IUUQRJJUBDPNTV@LJUFNT DBFGBBGF 
13. )BOE7$TXJGU खࡳͷ௥Ճ
    
    มߋલ import UIKit class HandVC: UITableViewController { private let hand = Hand() override func viewDidLoad() { super.viewDidLoad() self.navigationItem.leftBarButtonItem = editButtonItem() } @IBAction private func addNewCard(sender: UIBarButtonItem) { if hand.numberOfCards < 5 { hand.addNewCardAtIndex(0) tableView.insertRowsAtIndexPaths([NSIndexPath(forRow: 0, inSection: 0)], withRowAnimation: .Fade) } } 
14. )BOE7$TXJGU खࡳͷ௥Ճ
    
    มߋޙ  import UIKit class HandVC: UITableViewController { private let hand = Hand() override func viewDidLoad() { super.viewDidLoad() self.navigationItem.leftBarButtonItem = editButtonItem() } @IBAction private func addNewCard(sender: UIBarButtonItem) { if hand.numberOfCards < 5 { hand.addNewCardAtIndex(0) insertTopRow() } } private func insertTopRow() { tableView.insertRowsAtIndexPaths([NSIndexPath(forRow: 0, inSection: 0)], withRowAnimation: .Fade) }
15. )BOE7$TXJGU खࡳͷຕ਺ͱදࣔ  // MARK: - Table view data source override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int { return hand.numberOfCards } override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { let cell = tableView.dequeueReusableCellWithIdentifier(“cardCell", forIndexPath: indexPath) let card = hand.cardAtPosition(indexPath.row) cell.textLabel?.text = card.rank.description cell.textLabel?.textColor = card.color cell.detailTextLabel?.text = card.suit.description return cell }
16. )BOE7$TXJGU खࡳͷ࡟আ
    
    มߋલ  override func tableView(tableView: UITableView, commitEditingStyle editingStyle:UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) { if editingStyle == .Delete { hand.deleteCardAtIndex(indexPath.row) tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Fade) } }
17. )BOE7$TXJGU खࡳͷ࡟আ
    
    มߋޙ  override func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) { if editingStyle == .Delete { hand.deleteCardAtIndex(indexPath.row) deleteRowAtIndexPath(indexPath) } } private func deleteRowAtIndexPath(indexPath: NSIndexPath) { tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Fade) }
18. )BOE7$TXJGU खࡳͷҠಈ  override func tableView(tableView: UITableView moveRowAtIndexPath sourceIndexPath: NSIndexPath, toIndexPath destinationIndexPath: NSIndexPath) { hand.moveCard(sourceIndexPath.row, toIndex: destinationIndexPath.row) }
19. )BOETXJGU खࡳͷϞσϧΫϥε  import UIKit class Hand { private let deck = Deck() private var cards = [Card]() var numberOfCards: Int { return cards.count } func cardAtPosition(index: Int) -> Card { return cards[index] }
20. )BOETXJGU खࡳͷϞσϧΫϥε
    
    ௥Ճɾ࡟আɾҠಈ  func addNewCardAtIndex(index: Int) { insertCard(deck.nextCard(), atIndex: index) } private func insertCard(card: Card, atIndex index: Int) { cards.insert(card, atIndex: index) } func deleteCardAtIndex(index: Int) { cards.removeAtIndex(index) } func moveCard(fromIndex: Int, toIndex: Int) { let cardToMove = cards[fromIndex] deleteCardAtIndex(fromIndex) insertCard(cardToMove, atIndex: toIndex) }
21. )BOETXJGU खࡳͷϞσϧΫϥε
    
    ௥Ճɾ࡟আɾҠಈ  func addNewCardAtIndex(index: Int) { insertCard(deck.nextCard(), atIndex: index) } private func insertCard(card: Card, atIndex index: Int) { cards.insert(card, atIndex: index) } func deleteCardAtIndex(index: Int) { cards.removeAtIndex(index) } func moveCard(fromIndex: Int, toIndex: Int) { let cardToMove = cards[fromIndex] deleteCardAtIndex(fromIndex) insertCard(cardToMove, atIndex: toIndex) }
22. )BOE )BOE7$ .BJO
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    $VMUVSF
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23. – Daniel H Steinberg l͜͜·Ͱ͸ೃછΈ͕͋Γ·͔͢ʁ͜ΕͰຬ଍Ͱ͔͢ʁ
    ͔͜͜Β෼ͰͲ͏ల։Ͱ͖Δ͔ͷ͓࿩Λ͢Δɻ
    ͜Ε͕࠷ળͱ͸ݴΘͳ͍͕ɺ͜Μͳͷ͸೗Կͱ͍͏͜ͱͰz ͔͜͜ΒɺจԽΛௐ࿨ͤ͞Δ 
24. $MBTT
    UP
    B
    4USVDU 
25. )BOETXJGU खࡳͷϞσϧߏ଄ମ  import UIKit struct Hand { private let deck = Deck() private var cards = [Card]() var numberOfCards: Int { return cards.count } func cardAtPosition(index: Int) -> Card { return cards[index] }
26. 4XJGUͷDMBTTͱTUSVDUͷҧ͍ w l.PEFM
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    w ܧঝ͕ඞཁͳ͍৔߹ http://qiita.com/mini_house/items/22b7b88794b9f8a32381 
27. ߏ଄ମͷ஋Λॻ͖׵͑Δ
    ؔ਺ʹ͸ɺNVUBUJOH͕ඞཁ 
28. )BOETXJGU खࡳͷϞσϧߏ଄ମ
    
    ௥Ճɾ࡟আɾҠಈ  mutating func addNewCardAtIndex(index: Int) { insertCard(deck.nextCard(), atIndex: index) } private mutating func insertCard(card: Card, atIndex index: Int) { cards.insert(card, atIndex: index) } mutating func deleteCardAtIndex(index: Int) { cards.removeAtIndex(index) } mutating func moveCard(fromIndex: Int, toIndex: Int) { let cardToMove = cards[fromIndex] deleteCardAtIndex(fromIndex) insertCard(cardToMove, atIndex: toIndex) }
29. )BOE7$TXJGU ϞσϧͷએݴΛఆ਺͔Βม਺΁ import UIKit class HandVC: UITableViewController { private var hand = Hand() override func viewDidLoad() { super.viewDidLoad() self.navigationItem.leftBarButtonItem = editButtonItem() } @IBAction private func addNewCard(sender: UIBarButtonItem) { if hand.numberOfCards < 5 { hand.addNewCardAtIndex(0) tableView.insertRowsAtIndexPaths([NSIndexPath(forRow: 0, inSection: 0)], withRowAnimation: .Fade) } } 
30. NVUBUJOH
31. -FU`T
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    NVUBUJOH 
32. )BOETXJGU खࡳͷߏ଄ମ
    
    ௥ՃͷNVUBUJOHΛ֎͢  mutating func addNewCardAtIndex(index: Int) { insertCard(deck.nextCard(), atIndex: index) } func addNewCardAtIndex(index: Int) -> Hand { return insertCard(deck.nextCard(), atIndex: index) }
33. )BOETXJGU खࡳͷߏ଄ମ
    
    ௥ՃͰΠϯελϯεΛฦ͢  private func insertCard(card: Card, atIndex index: Int) -> Hand { var mutableCards = cards mutableCards.insert(card, atIndex: index) return Hand(deck: deck, cards: mutableCards) }
34. )BOETXJGU खࡳͷߏ଄ମ
    
    ௥ՃͰΠϯελϯεΛฦ͢  private func insertCard(card: Card, atIndex index: Int) -> Hand { var mutableCards = cards mutableCards.insert(card, atIndex: index) return Hand(deck: deck, cards: mutableCards) }
35. 4XJGUͷߏ଄ମ͸ϓϩύςΟΛ
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    ࣗಈੜ੒͞ΕΔ 
36. )BOETXJGU खࡳͷϞσϧΫϥε  import UIKit struct Hand { private var deck = Deck() private var cards = [Card]() var numberOfCards: Int { return cards.count } func cardAtPosition(index: Int) -> Card { return cards[index] }
37. ͔͠͠ɺࠓճ͸EFDL͕ఆ਺ͳ ͷͰΧελϜΠχγϟϥΠβ ͰରԠ͢Δ 
38. )BOETXJGU खࡳͷϞσϧΫϥε  import UIKit struct Hand { private let deck = Deck() private var cards = [Card]() init() { } private init (deck: Deck, cards: [Card]) { self.cards = cards } var numberOfCards: Int { return cards.count }
39. )BOETXJGU खࡳͷߏ଄ମ
    
    ௥ՃͰΠϯελϯεΛฦ͢  private func insertCard(card: Card, atIndex index: Int) -> Hand { var mutableCards = cards mutableCards.insert(card, atIndex: index) return Hand(deck: deck, cards: mutableCards) }
40. )BOE7$TXJGU खࡳͷ௥Ճ
    
    ΠϯελϯεΛड͚औΔ  import UIKit class HandVC: UITableViewController { private var hand = Hand() override func viewDidLoad() { super.viewDidLoad() self.navigationItem.leftBarButtonItem = editButtonItem() } @IBAction private func addNewCard(sender: UIBarButtonItem) { if hand.numberOfCards < 5 { hand = hand.addNewCardAtIndex(0) insertTopRow() } }
41. )BOE7$TXJGU खࡳͷ࡟আͱҠಈ
    
    ௥Ճͱಉ༷ʹ͍ͨ͠  override func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) { if editingStyle == .Delete { hand = hand.deleteCardAtIndex(indexPath.row) deleteRowAtIndexPath(indexPath) } } override func tableView(tableView: UITableView, moveRowAtIndexPath sourceIndexPath: NSIndexPath, toIndexPath destinationIndexPath: NSIndexPath) { hand = hand.moveCard(sourceIndexPath.row, toIndex: destinationIndexPath.row) }
42. )BOETXJGU खࡳͷߏ଄ମ
    
    ࡟আͰΠϯελϯεΛฦ͢  mutating func deleteCardAtIndex(index: Int) { cards.removeAtIndex(index) } func deleteCardAtIndex(index: Int) -> Hand { var mutableCards = cards mutableCards.removeAtIndex(index) return Hand(deck: deck, cards: mutableCards) }
43. ௥Ճ΍࡟আͱಉ༷ʹ
    Ҡಈ΋NVUBUJOHΛ֎͚͢Ͳ
    ͜͜ͰจԽΛௐ࿨ͤ͞Δ 
44. 'VODUJPOBM
    1SPHSBNNJOH
    
    ϑΝϯΫγϣφϧϓϩάϥϛϯά 
45. )BOETXJGU खࡳͷߏ଄ମ
    
    ҠಈͰΠϯελϯεΛฦ͢  func moveCard(fromIndex: Int, toIndex: Int) -> Hand { return deleteCardAtIndex(fromIndex) .insertCard(cards[fromIndex], atIndex: toIndex) } mutating func moveCard(fromIndex: Int, toIndex: Int) { let cardToMove = cards[fromIndex] deleteCardAtIndex(fromIndex) insertCard(cardToMove, atIndex: toIndex) }
46.  deleteCardAtIndex(fromIndex)ͷΠϯελϯε insertCard(cards[fromIndex], atIndex: toIndex)ͷΠϯελϯε cards[fromIndex] = ߏ଄ମͷϓϩύςΟ
47. – Daniel H Steinberg l͜ΕͰεϚΠϧʹͳΒͳ͍ͳΒ
    +BWBͳΓ3VCZͳΓ΍Ε͹͍͍ͱࢥ͍·͢Αʁz 
48. .PWF
    UP
    B
    $VTUPN
    $FMM
49. .PEJpFE
    
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50. $BSE$FMMTXJGU खࡳΛදࣔ͢ΔΧελϜηϧʢ7JFXʣ  import UIKit class CardCell: UITableViewCell { @IBOutlet private weak var suitLabel: UILabel! @IBOutlet private weak var rankLabel: UILabel! override func awakeFromNib() { super.awakeFromNib() } func fillWith(card: Card) { rankLabel.textColor = card.color rankLabel.text = card.rank.description suitLabel.text = card.suit.description } }
51. )BOE7$TXJGU खࡳΛදࣔ͢Δίϯτϩʔϥʔ  override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { guard let cell = tableView .dequeueReusableCellWithIdentifier("cardCell", forIndexPath: indexPath) as? CardCell else { fatalError("Could not create CardCell") } cell.fillWith(hand.cardAtPosition(indexPath.row)) return cell }
52. HVBSE
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    FMTF
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    w ΞϯϥοϓͱOJMνΣοΫΛಉ࣌ʹߦ͑ɺΞϯϥοϓ͞Εͨม਺͸HVBSEจΛൈ͚ͨޙͰ΋ ࢖༻Մ
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    CSFBL
    DPOUJOVF
    UISPXͷͲΕ͔ΛߦΘͳ͍ͱί ϯύΠϧΤϥʔ http://qiita.com/mishimay/items/75fb0958f33079ff0e8a  func show(message: String?) { guard let theMessage = message else { return } print(theMessage) // Ξϯϥοϓͨ͠ม਺Λ࢖͏͜ͱ͕Ͱ͖Δ }
53. )BOE7$TXJGU खࡳΛදࣔ͢Δίϯτϩʔϥʔ  override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { guard let cell = tableView .dequeueReusableCellWithIdentifier("cardCell", forIndexPath: indexPath) as? CardCell else { fatalError("Could not create CardCell") } cell.fillWith(hand.cardAtPosition(indexPath.row)) return cell }
54. TVCTDSJQU
    Λ࢖͏ w ഑ྻ΍ࣙॻͷཁૉʹ௚઀ΞΫηε͢ΔॲཧΛɺΫϥε΍ߏ଄ମʹࣗ෼ͰఆٛͰ͖Δ
    w ࠓճ͸ɺߏ଄ମʹͨ͠)BOEͷ$BSETͷཁૉʹΞΫηε͢ΔॲཧΛTVCTDSJQUͰه ड़͢Δ  struct Hand { private let deck = Deck() private var cards = [Card]() var numberOfCards: Int { return cards.count } subscript(index: Int) -> Card { return cards[index] }
55. )BOE7$TXJGU खࡳΛදࣔ͢Δίϯτϩʔϥʔ  override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { guard let cell = tableView .dequeueReusableCellWithIdentifier("cardCell", forIndexPath: indexPath) as? CardCell else { fatalError("Could not create CardCell") } cell.fillWith(hand.cardAtPosition(indexPath.row)) return cell } cell.fillWith(hand[indexPath.row]) return cell }
56. )BOE )BOE7$ .PEFM
    7JFX
    7JFX.PEFM  $BSE$FMM
57. 4FDPOE
    %FNP 
58. )BOE )BOE7$ .PEFM
    7JFX
    7JFX.PEFM  $BSE$FMM
59. – Daniel H Steinberg lօϞσϧΛ෼͔͍ͬͯΔঢ়ଶͰΑ͘ͳ͘ݟ͑Δʁ ͜Ε͔Βྑ͘ͳΔɻz 
60. 5BLF
    UIF
    %BUB4PVSDF
    PVU
    PG
    UIF
    5BCMF
    7JFX
    $POUSPMMFS 
61. )BOE )BOE7$ %BUB4PVSDFΛ7JFX$POUSPMMFS ͔ΒऔΓग़͢  %BUB4PVSDF
62. %BUB4PVSDFTXJGU 7$͔ΒϞσϧґଘͷॲཧΛग़͢  import UIKit class DataSource: NSObject, UITableViewDataSource { private var hand = Hand() func addItemTo(tableView: UITableView) {} func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {} func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {} func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {} func tableView(tableView: UITableView, moveRowAtIndexPath fromIndexPath: NSIndexPath, toIndexPath: NSIndexPath) {} func insertTopRowIn(tableView: UITableView) {} func deleteRowAtIndexPath(indexPath: NSIndexPath, from tableView: UITableView) {} }
63. )BOE7$TXJGU 7$ͰEBUB4PVSDFΛࢦఆ͢Δ  import UIKit class HandVC: UITableViewController { private var dataSource = DataSource() override func viewDidLoad() { super.viewDidLoad() tableView.dataSource = dataSource self.navigationItem.leftBarButtonItem = editButtonItem() } @IBAction private func addNewCard(sender: UIBarButtonItem) { dataSource.addItemTo(tableView) } }
64. )BOE )BOE7$  %BUB4PVSDF
65. %BUB4PVSDFTXJGU 7$͔ΒϞσϧґଘͷॲཧΛग़͢  import UIKit class DataSource: NSObject, UITableViewDataSource { private var hand = Hand() func addItemTo(tableView: UITableView) {} func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {} func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {} func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {} func tableView(tableView: UITableView, moveRowAtIndexPath fromIndexPath: NSIndexPath, toIndexPath: NSIndexPath) {} func insertTopRowIn(tableView: UITableView) {} func deleteRowAtIndexPath(indexPath: NSIndexPath, from tableView: UITableView) {} }
66. – Daniel H Steinberg l͜ΕΒ͸ͪΐͬͱҧ͏ɻ
    Ҿ্͖͛Δɻ
    1SPUPDPMΛ࢖͍·͢ɻz 
67. 1SPUPDPM0SJFOUFE
    1SPHSBNNJOH
    
    ϓϩτίϧࢦ޲ϓϩάϥϛϯά
68. )BOE )BOE7$  %BUB4PVSDF 4PVSDF5ZQF
69. 4PVSDF5ZQFTXJGU ϓϩτίϧͰҾ্͖͛Δ  import UIKit protocol SourceType: UITableViewDataSource { func insertTopRowIn(tableView: UITableView) func deleteRowAtIndexPath(indexPath: NSIndexPath, from tableView: UITableView) } extension SourceType { func insertTopRowIn(tableView: UITableView) { tableView.insertRowsAtIndexPaths([NSIndexPath(forRow: 0, inSection: 0)], withRowAnimation: .Fade) } func deleteRowAtIndexPath(indexPath: NSIndexPath, from tableView: UITableView) { tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Fade) } }
70. %BUB4PVSDFTXJGU %BUB4PVSDFΛ4PVSDF5ZQFʹ४ڌ  import UIKit class DataSource: NSObject, UITableViewDataSource, SourceType { private var hand = Hand() func addItemTo(tableView: UITableView) {} func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {} func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {} func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {} func tableView(tableView: UITableView, moveRowAtIndexPath fromIndexPath: NSIndexPath, toIndexPath: NSIndexPath) {} }
71. QSPUPDPM
    FYUFOTJPO
    ͱ͸ʁ w QSPUPDPMʢΠϯλϑΣʔεͷఆٛʣΛ֦ு͠ɺϝιουͷ࣮૷Λ௥Ճ͢Δػೳ
    w ศརͳQSPUPDPM
    FYUFOTJPO͕ͩɺ֨ೲܕϓϩύςΟΛ࣋ͭ͜ͱ͕Ͱ͖ͳ͍  protocol MyProtocol { func hoge() } extension MyProtocol { func hoge() { print("hoge") } } class MyClass: MyProtocol { } let myInstance = MyClass() myInstance.hoge() // hoge ͱग़ྗ͞ΕΔ
72. )BOE )BOE7$  %BUB4PVSDF 4PVSDF5ZQF %BUB5ZQF
73. )BOETXJGU %BUB5ZQF΁Ҿ্͖͛Δલʹ  import UIKit struct Hand { private let deck = Deck() private var cards = [Card]() init() {} private init (deck: Deck, cards: [Card]) {} subscript(index: Int) -> Card {} var numberOfCards: Int {} func addNewCardAtIndex(index: Int) -> Hand {} private func insertCard(card: Card, atIndex index: Int) -> Hand {} func deleteCardAtIndex(index: Int) -> Hand {} func moveCard(fromIndex: Int, toIndex: Int) -> Hand {} }
74. )BOETXJGU %BUB5ZQF΁Ҿ্͖͛Δલʹ  import UIKit struct Hand { private let deck = Deck() private var cards = [Card]() init() {} private init (deck: Deck, cards: [Card]) {} subscript(index: Int) -> Card {} var numberOfItems: Int {} func addNewItemAtIndex(index: Int) -> Hand {} private func insertItem(card: Card, atIndex index: Int) -> Hand {} func deleteItemAtIndex(index: Int) -> Hand {} func moveItem(fromIndex: Int, toIndex: Int) -> Hand {} }
75. %BUB5ZQFTXJGU %BUB5ZQF΁Ҿ্͖͛Δ  import UIKit protocol DataType { var numberOfItems: Int { get } func addNewItemAtIndex(index: Int) -> Self func deleteItemAtIndex(index: Int) -> Self func moveItem(fromIndex: Int, toIndex: Int) -> Self }
76. %BUB5ZQFTXJGU %BUB5ZQFʹ४ڌͨ͠΋ͷΛฦ͢  import UIKit protocol DataType { var numberOfItems: Int { get } func addNewItemAtIndex(index: Int) -> Self func deleteItemAtIndex(index: Int) -> Self func moveItem(fromIndex: Int, toIndex: Int) -> Self }
77. – Daniel H Steinberg l)BOEΛฦ͍ͯͨ͠ͷΛ4FMGͰฦ͢Α͏ʹ͢Δɻ
    ʢ4FMG͸ʣ%BUB5ZQFʹ४ڌ͍ͯ͠Δऀࣗ਎ɻz 
78. )BOETXJGU )BOE͸%BUB5ZQFʹ४ڌ  import UIKit struct Hand : DataType { private let deck = Deck() private var cards = [Card]() init() {} private init (deck: Deck, cards: [Card]) {} subscript(index: Int) -> Card {} var numberOfItems: Int {} func addNewItemAtIndex(index: Int) -> Hand {} private func insertItem(card: Card, atIndex index: Int) -> Hand {} func deleteItemAtIndex(index: Int) -> Hand {} func moveItem(fromIndex: Int, toIndex: Int) -> Hand {} }
79. )BOE )BOE7$  %BUB4PVSDF 4PVSDF5ZQF %BUB5ZQF
80. 4PVSDF5ZQFTXJGU %BUB5ZQFΛϓϩύςΟʹએݴ  import UIKit protocol SourceType: UITableViewDataSource { var dataObject: DataType { get set } func insertTopRowIn(tableView: UITableView) func deleteRowAtIndexPath(indexPath: NSIndexPath, from tableView: UITableView) } extension SourceType { func insertTopRowIn(tableView: UITableView) { tableView.insertRowsAtIndexPaths([NSIndexPath(forRow: 0, inSection: 0)], withRowAnimation: .Fade) } func deleteRowAtIndexPath(indexPath: NSIndexPath, from tableView: UITableView) { tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Fade) } }
81. %BUB4PVSDFTXJGU )BOEΛ%BUB5ZQFͰड͚Δ  import UIKit class DataSource: NSObject, UITableViewDataSource, SourceType { var dataObject: DataType = Hand() func addItemTo(tableView: UITableView) { if dataObject.numberOfItems < 5 { dataObject = dataObject.addNewItemAtIndex(0) insertTopRowIn(tableView) } } }
82. %BUB4PVSDFTXJGU )BOE΋HVBSEͰ߹Θͤͯ൑ఆ͢Δ  func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { guard let cell = tableView .dequeueReusableCellWithIdentifier("cardCell", forIndexPath: indexPath) as? CardCell, hand = dataObject as? Hand else { fatalError("Could not create CardCell or Hand instance") } cell.fillWith(hand[indexPath.row]) return cell }
83. 5IJSE
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84. – Daniel H Steinberg l͍͖ͭͯͯ·͢ʁ
    4UPQͬͯݴͬͯ͘Εͯ΋͍͍Ͱ͢Αʁz 
85. – Daniel H Steinberg lଞʹσʔλιʔε͔ΒϓϧΞ΢τग़དྷͳ͍͔ʁz 
86. %BUB4PVSDFTXJGU  import UIKit class DataSource: NSObject, UITableViewDataSource, SourceType { var dataObject: DataType = Hand() func addItemTo(tableView: UITableView) { if dataObject.numberOfItems < 5 { dataObject = dataObject.addNewItemAtIndex(0) insertTopRowIn(tableView) } }
87. – Daniel H Steinberg l͜Ε͸ʢ͜͜ʹʣ͋Δ΂͖Ͱ͠ΐ͏͔ʁz 
88. 4PVSDF5ZQFTXJGU 4PVSDF5ZQFʹ൑ఆ஋Λ࣋ͨͤΔ  import UIKit protocol SourceType: UITableViewDataSource { var dataObject: DataType { get set } var conditionForAdding: Bool { get } func insertTopRowIn(tableView: UITableView) func deleteRowAtIndexPath(indexPath: NSIndexPath, from tableView: UITableView) } extension SourceType { func insertTopRowIn(tableView: UITableView) { tableView.insertRowsAtIndexPaths([NSIndexPath(forRow: 0, inSection: 0)], withRowAnimation: .Fade) } func deleteRowAtIndexPath(indexPath: NSIndexPath, from tableView: UITableView) { tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Fade) } }
89. 4PVSDF5ZQFTXJGU 4PVSDF5ZQFʹ൑ఆ஋Λ࣋ͨͤΔ  import UIKit protocol SourceType: UITableViewDataSource { var dataObject: DataType { get set } var conditionForAdding: Bool { get } func insertTopRowIn(tableView: UITableView) func deleteRowAtIndexPath(indexPath: NSIndexPath, from tableView: UITableView) } extension SourceType { func addItemTo(tableView: UITableView) { if conditionForAdding { dataObject = dataObject.addNewItemAtIndex(0) insertTopRowIn(tableView) } } func insertTopRowIn(tableView: UITableView) { tableView.insertRowsAtIndexPaths([NSIndexPath(forRow: 0, inSection: 0)], withRowAnimation: .Fade) } func deleteRowAtIndexPath(indexPath: NSIndexPath, from tableView: UITableView) { tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Fade) } }
90. %BUB4PVSDFTXJGU ਺ͷ൑ఆͷΈߦ͏  import UIKit class DataSource: NSObject, UITableViewDataSource, SourceType { var dataObject: DataType = Hand() var conditionForAdding :Bool { return dataObject.numberOfItems < 5 } import UIKit class DataSource: NSObject, UITableViewDataSource, SourceType { var dataObject: DataType = Hand() func addItemTo(tableView: UITableView) { if dataObject.numberOfItems < 5 { dataObject = dataObject.addNewItemAtIndex(0) insertTopRowIn(tableView) } }
91. )BOE )BOE7$  )BOE%BUB4PVSDF 4PVSDF5ZQF %BUB5ZQF %BUB4PVSDF
92. /PX
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93. )BOE%BUB4PVSDFTXJGU %BUB4PVSDFͷαϒΫϥε࡞੒  import UIKit class HandDataSource: DataSource { init() { super.init(dataObject: Hand()) } override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { guard let cell = tableView .dequeueReusableCellWithIdentifier("cardCell", forIndexPath: indexPath) as? CardCell, hand = dataObject as? Hand else { return UITableViewCell() } cell.fillWith(hand[indexPath.row]) return cell } override var conditionForAdding: Bool { return dataObject.numberOfItems < 5 } }
94. )BOE%BUB4PVSDFTXJGU %BUB4PVSDFͷαϒΫϥε࡞੒  import UIKit class HandDataSource: DataSource { init() { super.init(dataObject: Hand()) } override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { guard let cell = tableView .dequeueReusableCellWithIdentifier("cardCell", forIndexPath: indexPath) as? CardCell, hand = dataObject as? Hand else { return UITableViewCell() } cell.fillWith(hand[indexPath.row]) return cell } override var conditionForAdding: Bool { return dataObject.numberOfItems < 5 } }
95. %BUB4PVSDFTXJGU %BUB4PVSDF͔ΒϞσϧґଘΛͳ͘͢  import UIKit class DataSource: NSObject, UITableViewDataSource, SourceType { var dataObject: DataType var conditionForAdding :Bool { return false } import UIKit class DataSource: NSObject, UITableViewDataSource, SourceType { var dataObject: DataType = Hand() var conditionForAdding :Bool { return dataObject.numberOfItems < 5 }
96. %BUB4PVSDFTXJGU %BUB4PVSDFͷΠχγϟϥΠβ࡞੒  import UIKit class DataSource: NSObject, UITableViewDataSource, SourceType { var dataObject: DataType var conditionForAdding :Bool { return false } init<A: DataType>(dataObject: A) { self.dataObject = dataObject }
97. )BOE7$TXJGU 7$Ͱ)BOE%BUB4PVSDFΛࢦఆ  import UIKit class HandVC: UITableViewController { private var dataSource = HandDataSource() override func viewDidLoad() { super.viewDidLoad() tableView.dataSource = dataSource self.navigationItem.leftBarButtonItem = editButtonItem() } @IBAction private func addNewCard(sender: UIBarButtonItem) { dataSource.addItemTo(tableView) } }
98. 'PSUI
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99. – Daniel H Steinberg lͯ͞ɺԿΛ͠·͔ͨ͠ʁ
    ͍ΖΜͳ؆ૉԽ͠·ͨ͠ɻ
    มߋ͠ͳ͍ίʔυΛ֎ʹ௥͍ग़͠·ͨ͠ɻz 
100. )BOE )BOE7$  )BOE%BUB4PVSDF 4PVSDF5ZQF %BUB5ZQF %BUB4PVSDF
101. – Daniel H Steinberg lมߋ͢Δ΋ͷΛԼʹ࣋ͬͯདྷ·ͨ͠ɻz 
102. )BOE )BOE7$  )BOE%BUB4PVSDF 4PVSDF5ZQF %BUB5ZQF %BUB4PVSDF
103. #MFOEJOH
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104. 5SZ
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105. ͦΕͧΕͷ%FNP࣌఺ͷιʔε͸ɺ
     ԼهͷϦϙδτϦʹϒϥϯνΛ੾ͬ ͯอଘͨ͠ IUUQTHJUIVCDPNNBTBTIJTVUPV #MFOEJOH$VMUVSFT&YBNQMF
106. ࢀߟࢿྉ
     
     
     http://niwatako.hatenablog.jp/entry/2016/03/02/160011 ɾʮUSZ
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     USZTXJGUDPOGʯ http://dev.classmethod.jp/smartphone/tryswift-1st-day-pm/ ɾʮUSZ
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     $VMUVSFTzͷ಺༰Λ
     αϯϓϧΞϓϦʹىͯ͜͠Έͨʯ http://qiita.com/su_k/items/42c29a0e136faa3f9e08 ɾʮ#MFOEJOH
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107. ࢀߟࢿྉ
     
     
     http://qiita.com/mishimay/items/75fb0958f33079ff0e8a ɾʮ4XJGU
     
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     ʹ͍ͭͯʯ http://qiita.com/happy_ryo/items/72b68859ed8ace9f5fb4 ɾʮ4XJGUͷQSPUPDPM
     FYUFOTJPOͰNJYJOతͳ΋ͷΛ
     ࣮ݱ͢Δʯ http://qiita.com/sagaraya/items/5e73501ff7a3f0c502c0 ɾʮ4XJGUͷΫϥεͱߏ଄ମͷ࢖͍෼͚ʹ͍ͭͯͷϝϞʯ http://qiita.com/mini_house/items/22b7b88794b9f8a32381