79 lines
2.7 KiB
Swift
79 lines
2.7 KiB
Swift
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// StatusContentContainer.swift
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// Tusker
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//
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// Created by Shadowfacts on 10/2/22.
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// Copyright © 2022 Shadowfacts. All rights reserved.
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//
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import UIKit
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class StatusContentContainer: UIView {
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let contentTextView = StatusContentTextView().configure {
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$0.defaultFont = .systemFont(ofSize: 16)
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$0.isScrollEnabled = false
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$0.backgroundColor = nil
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}
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let cardView = StatusCardView().configure {
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NSLayoutConstraint.activate([
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$0.heightAnchor.constraint(equalToConstant: 65),
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])
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}
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let attachmentsView = AttachmentsContainerView().configure {
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NSLayoutConstraint.activate([
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$0.heightAnchor.constraint(equalTo: $0.widthAnchor, multiplier: 9/16),
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])
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}
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let pollView = StatusPollView()
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private var lastSubviewBottomConstraint: NSLayoutConstraint!
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private var zeroHeightConstraint: NSLayoutConstraint!
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override init(frame: CGRect) {
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super.init(frame: frame)
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let subviews = [contentTextView, cardView, attachmentsView, pollView]
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for (index, subview) in subviews.enumerated() {
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subview.translatesAutoresizingMaskIntoConstraints = false
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addSubview(subview)
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let topConstraint: NSLayoutConstraint
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if index == 0 {
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topConstraint = subview.topAnchor.constraint(equalTo: topAnchor)
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} else {
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topConstraint = subview.topAnchor.constraint(equalTo: subviews[index - 1].bottomAnchor, constant: 4)
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}
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NSLayoutConstraint.activate([
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topConstraint,
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subview.leadingAnchor.constraint(equalTo: leadingAnchor),
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subview.trailingAnchor.constraint(equalTo: trailingAnchor),
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])
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}
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// these constraints need to have low priority so that during the collapse/expand animation, the content container is the view that shrinks/expands
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lastSubviewBottomConstraint = subviews.last!.bottomAnchor.constraint(equalTo: bottomAnchor)
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lastSubviewBottomConstraint.isActive = true
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lastSubviewBottomConstraint.priority = .defaultLow
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zeroHeightConstraint = heightAnchor.constraint(equalToConstant: 0)
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zeroHeightConstraint.priority = .defaultLow
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// mask to bounds so that the during the expand/collapse animation, subviews are clipped
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layer.masksToBounds = true
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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func setCollapsed(_ collapsed: Bool) {
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lastSubviewBottomConstraint.isActive = !collapsed
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zeroHeightConstraint.isActive = collapsed
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}
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}
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