186 lines
4.8 KiB
Swift
186 lines
4.8 KiB
Swift
//
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// SearchAndDisplayAccessory.swift
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// CapCollector
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//
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// Created by Christoph on 09.10.19.
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// Copyright © 2019 CH. All rights reserved.
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//
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import UIKit
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class PassthroughView: UIView {
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override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
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let view = super.hitTest(point, with: event)
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return view == self ? nil : view
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}
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}
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protocol CapAccessoryDelegate: class {
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func capSearchWasDismissed()
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func capSearch(didChange text: String)
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func capAccessoryDidDiscardImage()
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func capAccessory(shouldSave image: UIImage)
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func capAccessoryCameraButtonPressed()
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}
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class SearchAndDisplayAccessory: PassthroughView {
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// MARK: - Outlets
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@IBOutlet weak var newImageView: PassthroughView!
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@IBOutlet weak var capImage: RoundedImageView!
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@IBOutlet weak var saveButton: UIButton!
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@IBOutlet weak var deleteButton: UIButton!
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@IBOutlet weak var cameraButton: UIButton!
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@IBOutlet weak var searchBar: UISearchBar!
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// MARK: - Actions
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@IBAction func cameraButtonPressed() {
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delegate?.capAccessoryCameraButtonPressed()
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}
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@IBAction func saveButtonPressed() {
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if let image = capImage.image {
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delegate?.capAccessory(shouldSave: image)
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}
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}
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@IBAction func cancelButtonPressed() {
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discardImage()
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}
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// MARK: - Variables
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var view: UIView?
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weak var blurView: UIVisualEffectView?
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weak var currentBlurContraint: NSLayoutConstraint?
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weak var delegate: CapAccessoryDelegate?
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var currentImage: UIImage? {
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capImage.image
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}
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// MARK: - Setup
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convenience init(width: CGFloat) {
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let frame = CGRect(origin: .zero, size: CGSize(width: width, height: 145))
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self.init(frame: frame)
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}
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override init(frame: CGRect) {
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super.init(frame: frame)
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setup()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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setup()
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}
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private func setup() {
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view = fromNib()
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view!.frame = bounds
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//view!.autoresizingMask = .flexibleHeight
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addSubview(view!)
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let blur = UIBlurEffect(style: .systemThinMaterial)
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let blurView = UIVisualEffectView(effect: blur)
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self.blurView = blurView
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blurView.translatesAutoresizingMaskIntoConstraints = false
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blurView.isUserInteractionEnabled = false
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insertSubview(blurView, at: 0)
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let t = searchBar.topAnchor.constraint(equalTo: blurView.topAnchor)
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let b = searchBar.bottomAnchor.constraint(equalTo: blurView.bottomAnchor)
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let l = leadingAnchor.constraint(equalTo: blurView.leadingAnchor)
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let r = trailingAnchor.constraint(equalTo: blurView.trailingAnchor)
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addConstraints([t, b, l, r])
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currentBlurContraint = t
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self.newImageView.alpha = 0
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self.newImageView.isHidden = true
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searchBar.text = nil
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searchBar.setShowsCancelButton(false, animated: false)
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searchBar.delegate = self
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cameraButton.setImage(UIImage.templateImage(named: "camera_square"), for: .normal)
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}
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// MARK: Search bar
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func dismissAndClearSearchBar() {
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searchBar.resignFirstResponder()
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searchBar.text = nil
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}
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// MARK: Cap image
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func showImageView(with image: UIImage) {
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capImage.image = image
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showImageView()
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}
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func discardImage() {
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dismissAndClearSearchBar()
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hideImageView()
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delegate?.capAccessoryDidDiscardImage()
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}
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func hideImageView() {
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currentBlurContraint?.isActive = false
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let t = searchBar.topAnchor.constraint(equalTo: blurView!.topAnchor)
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addConstraint(t)
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currentBlurContraint = t
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self.newImageView.alpha = 0
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self.newImageView.isHidden = true
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self.capImage.image = nil
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}
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private func showImageView() {
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currentBlurContraint?.isActive = false
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let t = blurView!.topAnchor.constraint(equalTo: saveButton.topAnchor, constant: -8)
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addConstraint(t)
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currentBlurContraint = t
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self.newImageView.isHidden = false
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self.newImageView.alpha = 1
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}
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}
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// MARK: - UISearchBarDelegate
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extension SearchAndDisplayAccessory: UISearchBarDelegate {
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func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
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searchBar.resignFirstResponder()
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searchBar.text = nil
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delegate?.capSearchWasDismissed()
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}
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func searchBarSearchButtonClicked(_ searchBar: UISearchBar) {
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searchBar.resignFirstResponder()
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}
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func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
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delegate?.capSearch(didChange: searchText)
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}
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}
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