138 lines
5.3 KiB
Swift
138 lines
5.3 KiB
Swift
//
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// GameCollectionViewCell.swift
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// Delta
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//
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// Created by Riley Testut on 10/21/15.
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// Copyright © 2015 Riley Testut. All rights reserved.
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//
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import UIKit
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class GameCollectionViewCell: UICollectionViewCell
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{
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let imageView = BoxArtImageView()
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let nameLabel = UILabel()
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private var maximumBoxArtSize: CGSize = CGSize(width: 100, height: 100) {
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didSet
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{
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self.imageViewWidthConstraint.constant = self.maximumBoxArtSize.width
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self.imageViewHeightConstraint.constant = self.maximumBoxArtSize.height
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self.nameLabelVerticalSpacingConstraint.constant = self.maximumBoxArtSize.height / 20.0
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self.nameLabelFocusedVerticalSpacingConstraint?.constant = self.maximumBoxArtSize.height / 20.0
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}
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}
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private var imageViewWidthConstraint: NSLayoutConstraint!
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private var imageViewHeightConstraint: NSLayoutConstraint!
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private var nameLabelBottomAnchorConstraint: NSLayoutConstraint!
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private var nameLabelVerticalSpacingConstraint: NSLayoutConstraint!
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private var nameLabelFocusedVerticalSpacingConstraint: NSLayoutConstraint?
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override init(frame: CGRect)
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{
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super.init(frame: frame)
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self.configureSubviews()
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}
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required init?(coder aDecoder: NSCoder)
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{
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super.init(coder: aDecoder)
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self.configureSubviews()
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}
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private func configureSubviews()
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{
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// Fix super annoying Unsatisfiable Constraints message in debugger
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self.contentView.translatesAutoresizingMaskIntoConstraints = false
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self.imageView.translatesAutoresizingMaskIntoConstraints = false
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self.contentView.addSubview(self.imageView)
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self.nameLabel.translatesAutoresizingMaskIntoConstraints = false
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self.nameLabel.font = UIFont.boldSystemFontOfSize(12)
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self.nameLabel.textAlignment = .Center
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self.nameLabel.numberOfLines = 0
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self.contentView.addSubview(self.nameLabel)
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// Auto Layout
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self.imageView.leadingAnchor.constraintEqualToAnchor(self.contentView.leadingAnchor).active = true
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self.imageView.trailingAnchor.constraintEqualToAnchor(self.contentView.trailingAnchor).active = true
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self.imageView.topAnchor.constraintEqualToAnchor(self.contentView.topAnchor).active = true
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let verticalSpacingConstant = self.maximumBoxArtSize.height / 20.0
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self.nameLabelVerticalSpacingConstraint = self.nameLabel.topAnchor.constraintEqualToAnchor(self.imageView.bottomAnchor, constant: verticalSpacingConstant)
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#if os(tvOS)
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self.nameLabelVerticalSpacingConstraint.active = false
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self.nameLabelFocusedVerticalSpacingConstraint = self.nameLabel.topAnchor.constraintEqualToAnchor(self.imageView.focusedFrameGuide.bottomAnchor, constant: verticalSpacingConstant)
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self.nameLabelFocusedVerticalSpacingConstraint?.active = true
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#else
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self.nameLabelVerticalSpacingConstraint.active = true
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#endif
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self.nameLabel.leadingAnchor.constraintEqualToAnchor(self.contentView.leadingAnchor).active = true
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self.nameLabel.trailingAnchor.constraintEqualToAnchor(self.contentView.trailingAnchor).active = true
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self.nameLabelBottomAnchorConstraint = self.nameLabel.bottomAnchor.constraintEqualToAnchor(self.contentView.bottomAnchor)
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self.nameLabelBottomAnchorConstraint.active = true
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self.imageViewWidthConstraint = self.imageView.widthAnchor.constraintEqualToConstant(self.maximumBoxArtSize.width)
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self.imageViewWidthConstraint.active = true
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self.imageViewHeightConstraint = self.imageView.heightAnchor.constraintEqualToConstant(self.maximumBoxArtSize.height)
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self.imageViewHeightConstraint.active = true
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}
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override func applyLayoutAttributes(layoutAttributes: UICollectionViewLayoutAttributes)
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{
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guard let attributes = layoutAttributes as? GameCollectionViewLayoutAttributes else { return }
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self.maximumBoxArtSize = attributes.maximumBoxArtSize
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}
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override func didUpdateFocusInContext(context: UIFocusUpdateContext, withAnimationCoordinator coordinator: UIFocusAnimationCoordinator)
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{
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super.didUpdateFocusInContext(context, withAnimationCoordinator: coordinator)
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coordinator.addCoordinatedAnimations({
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if context.nextFocusedView == self
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{
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self.nameLabelBottomAnchorConstraint?.active = false
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self.nameLabelVerticalSpacingConstraint.active = false
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self.nameLabelFocusedVerticalSpacingConstraint?.active = true
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self.nameLabel.textColor = UIColor.whiteColor()
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}
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else
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{
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self.nameLabelFocusedVerticalSpacingConstraint?.active = false
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self.nameLabelBottomAnchorConstraint?.active = true
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self.nameLabelVerticalSpacingConstraint.active = true
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self.nameLabel.textColor = UIColor.blackColor()
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}
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self.layoutIfNeeded()
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}, completion: nil)
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}
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}
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