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- 원하는 윗 여백 지정 가능 - 윗 여백까지 위아래로 PanGesture 가능
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| // | ||
| // ModalPresentable.swift | ||
| // StreetDrop | ||
| // | ||
| // Created by 차요셉 on 7/30/24. | ||
| // | ||
|
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| import UIKit | ||
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| import SnapKit | ||
| import RxSwift | ||
| import RxCocoa | ||
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| protocol ModalPresentable where Self: UIViewController { | ||
| var modalContainerView: UIView { get } | ||
| var containerViewTopConstraint: Constraint? { get set } | ||
| var disposeBag: DisposeBag { get } | ||
| var upperMarginHeight: CGFloat { get } | ||
| func setupModal() | ||
| func animatePresentation() | ||
| func bindPanGesture() | ||
| } | ||
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| extension ModalPresentable { | ||
| func setupModal() { | ||
| view.backgroundColor = UIColor.black.withAlphaComponent(0.5) | ||
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| modalContainerView.layer.cornerRadius = 20 | ||
| modalContainerView.clipsToBounds = true | ||
| view.addSubview(modalContainerView) | ||
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| modalContainerView.snp.makeConstraints { | ||
| $0.left.right.equalToSuperview() | ||
| $0.height.equalToSuperview().offset(-upperMarginHeight) | ||
| containerViewTopConstraint = $0.top.equalTo(view.snp.bottom).constraint | ||
| } | ||
|
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| bindPanGesture() | ||
| } | ||
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| func animatePresentation() { | ||
| modalContainerView.snp.makeConstraints { | ||
| $0.top.equalToSuperview().offset(upperMarginHeight) | ||
| } | ||
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| UIView.animate(withDuration: 0.3) { [weak self] in | ||
| self?.view.layoutIfNeeded() | ||
| } | ||
| } | ||
|
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| func bindPanGesture() { | ||
| let panGestureRecognizer = UIPanGestureRecognizer() | ||
| modalContainerView.addGestureRecognizer(panGestureRecognizer) | ||
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| panGestureRecognizer.rx.event | ||
| .bind(with: self) { owner, gesture in | ||
| owner.handlePanGesture(gesture) | ||
| } | ||
| .disposed(by: disposeBag) | ||
| } | ||
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| func handlePanGesture(_ gesture: UIPanGestureRecognizer) { | ||
| let translation = gesture.translation(in: view) | ||
| let velocity = gesture.velocity(in: view) | ||
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| switch gesture.state { | ||
| case .changed: | ||
| if translation.y > 0 { | ||
| modalContainerView.snp.updateConstraints { | ||
| $0.top.equalToSuperview().offset(upperMarginHeight + translation.y) | ||
| } | ||
| } | ||
| case .ended: | ||
| if translation.y > 100 || velocity.y > 1000 { | ||
| dismiss(animated: true, completion: nil) | ||
| return | ||
| } | ||
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| animatePresentation() | ||
| default: | ||
| break | ||
| } | ||
| } | ||
| } |