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MVPのようなものをチームに提案した話

amacou
March 02, 2016

 MVPのようなものをチームに提案した話

チームに開発効率化のためにMVPっぽいものを提案した話

amacou

March 02, 2016
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  1. MVP
 (Observer Synchronization) • Model • MVCͷModelͱಉ͡ • View •

    UIΛ୲౰͠ɺModelΛObserverͰ؂ࢹͯ͠ɺModelͷมߋΛ Viewʹ൓өͤ͞Δ • Presenter • View͔ΒͷΠϕϯτΛड͚औͬͯɺModelΛߋ৽͢Δ
  2. MVP(Passive View) • Model • MVCͷModelͱಉ͡ • View • MVCͷView

    • ModelΛ௚઀͞ΘΒͳ͍ • ViewΛߋ৽͢ΔͨΊͷInterfeceΛ࣋ͭ • Presenter • View͔ΒͷΠϕϯτΛड͚औͬͯɺModelΛߋ৽͢Δ • ඞཁʹԠͯ͡ViewΛInterfaceΛ௨ͯ͡ߋ৽͢Δ
  3. ଞͷΞʔΩςΫνϟ • MVVM(Model View ViewModel)ͱ͔DDD(Domain-Driven Design)ͱ͔ • ొ৔ਓ෺͕ଟ͍(Domain Model/Usecase/Input Port/

    Output Port/Interface Adapter/Controller/Presenter/ Gateway) • νʔϜશһʹจԽΛਁಁͤ͞Δͷ݁ߏେม • DataBinding͸௒ศར͚ͩͲɺࠓղܾ͍ͨ͜͠ͱ͡Όͳ͍
  4. AMNTimelineTableViewPresenter.m @interface AMNTimelineTableViewPresenter() @property (nonatomic) AMNTimeline *timeline; @end @implementation AMNTimelineTableViewPresenter

    - (instancetype)init { if (self = [super init]) { self.timeline = [AMNTimeline new]; } return self; } - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return self.timeline.posts.count; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { id post = self.timeline.posts[indexPath.row]; NSString *identifier = [NSString stringWithFormat:@"%@Cell", NSStringFromClass([post class])]; id cell = [tableView dequeueReusableCellWithIdentifier:identifier]; if ([cell respondsToSelector:@selector(presenter)]) { NSObject<AMNPresenterProtocol> *presenter = [cell presenter]; [presenter presentWithModel:post viewController:self.viewController]; } return cell; } - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { return 160.f; } - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { id post = self.timeline.posts[indexPath.row]; if ([post isKindOfClass:[AMNPhoto class]]) { AMNImageViewController *imageViewController = [[self.viewController storyboard] instantiateViewControllerWithIdentifier: NSStringFromClass([AMNImageViewController class])]; imageViewController.presenter.photo = post; [[self.viewController navigationController] pushViewController:imageViewController animated:YES]; } else if ([post isKindOfClass:[AMNText class]]) { AMNTextViewController *textViewController = [[self.viewController storyboard] instantiateViewControllerWithIdentifier: NSStringFromClass([AMNTextViewController class])]; textViewController.presenter.text = post; [[self.viewController navigationController] pushViewController:textViewController animated:YES]; } [tableView deselectRowAtIndexPath:indexPath animated:YES]; } @end
  5. AMNPhotoTableViewCell/ AMNPhotoPresenter @interface AMNPhotoTableViewCell() @property (nonatomic) IBOutlet UIImageView *photoImageView; @end

    @implementation AMNPhotoTableViewCell - (void)awakeFromNib { self.presenter = [[AMNPhotoPresenter alloc] initWithView:self]; } - (void)setImage:(UIImage *)image { self.photoImageView.image = image; } @end @implementation AMNPhotoPresenter - (instancetype)initWithView: (UIView<AMNPhotoPresenterProtocol> *)view { if (self = [self init]) { self.view = view; } return self; } - (void)presentWithModel:(AMNPhoto *)model viewController:(UIViewController *)viewController { self.photo = model; self.viewController = viewController; [self reloadData]; } - (void)reloadData { [self.view setImage:self.photo.image]; } @end
  6. AMNTextTableViewCell/ AMNTextPresenter @interface AMNTextTableViewCell() @property (nonatomic) IBOutlet UILabel *label; @end

    @implementation AMNTextTableViewCell - (void)awakeFromNib { self.presenter = [[AMNTextPresenter alloc] initWithView:self]; } - (void)setText:(NSString *)text { self.label.text = text; } @end @implementation AMNTextPresenter - (instancetype)initWithView: (UIView<AMNTextPresenterProtocol> *)view { if (self = [self init]) { self.view = view; } return self; } - (void)presentWithModel:(AMNText *)model viewController:(UIViewController *)viewController { self.text = model; self.viewController = viewController; [self reloadData]; } - (void)reloadData { [self.view setText:self.text.text]; } @end
  7. AMNTextTableViewCell/ AMNTextPresenter @interface AMNPhotoListTableViewCell() @property (nonatomic) IBOutlet UICollectionView *collectionView; @end

    @implementation AMNPhotoListTableViewCell - (void)awakeFromNib { self.presenter = [[AMNPhotoListCollectionViewPresenter alloc] initWithView:self.collectionView]; } @implementation AMNPhotoListCollectionViewPresenter - (instancetype)initWithView:(UICollectionView *)view { if (self = [super init]) { self.view = view; self.view.delegate = self; self.view.dataSource = self; } return self; } - (void)presentWithModel:(AMNPhotoList *)model viewController:(UIViewController *)viewController { self.photoList = model; self.viewController = viewController; [self reloadData]; } - (void)reloadData { [self.view reloadData]; } - (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section { return self.photoList.list.count; } - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath { AMNPhotoCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"AMNPhotoCollectionViewCell" forIndexPath:indexPath]; cell.presenter.photo = self.photoList.list[indexPath.row]; [cell.presenter reloadData]; return cell; } - (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath { return CGSizeMake(CGRectGetHeight(self.view.bounds), CGRectGetHeight(self.view.bounds)); } - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath { id post = self.photoList.list[indexPath.row]; if ([post isKindOfClass:[AMNPhoto class]]) { AMNImageViewController *imageViewController = [[self.viewController storyboard] instantiateViewControllerWithIdentifier: NSStringFromClass([AMNImageViewController class])]; imageViewController.presenter.photo = post; [[self.viewController navigationController] pushViewController:imageViewController animated:YES]; } [collectionView deselectItemAtIndexPath:indexPath animated:YES]; } @end
  8. AMNPhotoCollectionViewCell @interface AMNPhotoCollectionViewCell() @property (nonatomic, weak) IBOutlet UIImageView *imageView; @end

    @implementation AMNPhotoCollectionViewCell - (void)awakeFromNib { self.presenter = [[AMNPhotoPresenter alloc] initWithView:self]; } - (void)setImage:(UIImage *)image { self.imageView.image = image; } @end