Archived
90 lines
3.0 KiB
Swift
90 lines
3.0 KiB
Swift
//
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// MenuViewCell.swift
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// AvH Plan
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//
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// Created by Deniz Duezgoeren on 16.07.19.
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// Copyright © 2019 Deniz Duezgoeren. All rights reserved.
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//
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import UIKit
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import MagazineLayout
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class MenuViewCell: MagazineLayoutCollectionViewCell {
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@IBOutlet weak var content: UILabel!
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private var widthConstraint: NSLayoutConstraint!
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public override init(frame: CGRect) {
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super.init(frame: frame)
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contentView.translatesAutoresizingMaskIntoConstraints = false
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let bottomConstraint = bottomAnchor.constraint(equalTo: contentView.bottomAnchor)
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bottomConstraint.priority = .required - 1
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NSLayoutConstraint.activate(
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[
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leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
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trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
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topAnchor.constraint(equalTo: contentView.topAnchor),
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bottomConstraint
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]
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)
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widthConstraint = widthAnchor.constraint(equalToConstant: bounds.width)
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widthConstraint.priority = .required - 1
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widthConstraint.isActive = true
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}
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required public init?(coder aDecoder: NSCoder) {
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super.init(coder: aDecoder)
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}
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override open func awakeFromNib() {
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super.awakeFromNib()
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contentView.translatesAutoresizingMaskIntoConstraints = false
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let bottomConstraint = bottomAnchor.constraint(equalTo: contentView.bottomAnchor)
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bottomConstraint.priority = .required - 1
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NSLayoutConstraint.activate(
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[
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leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
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trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
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topAnchor.constraint(equalTo: contentView.topAnchor),
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bottomConstraint
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]
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)
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widthConstraint = widthAnchor.constraint(equalToConstant: bounds.width)
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widthConstraint.priority = .required - 1
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widthConstraint.isActive = true
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}
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override open func preferredLayoutAttributesFitting(
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_ layoutAttributes: UICollectionViewLayoutAttributes)
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-> UICollectionViewLayoutAttributes
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{
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guard let attributes = layoutAttributes as? MagazineLayoutCollectionViewLayoutAttributes else {
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assertionFailure("`layoutAttributes` must be an instance of `MagazineLayoutCollectionViewLayoutAttributes`")
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return super.preferredLayoutAttributesFitting(layoutAttributes)
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}
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let size: CGSize
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if attributes.shouldVerticallySelfSize {
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widthConstraint.constant = layoutAttributes.size.width
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size = super.preferredLayoutAttributesFitting(layoutAttributes).size
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} else {
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// No self-sizing is required; respect whatever size the layout determined.
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size = layoutAttributes.size
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}
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layoutAttributes.size = size
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return layoutAttributes
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}
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}
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