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//
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// ColourPickerView.swift
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// AvH Plan
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//
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// Created by Deniz Duezgoeren on 19.07.19.
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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 ColourPickerView: UIViewController, UICollectionViewDataSource, UICollectionViewDelegateMagazineLayout {
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let identifier = "colour-cell"
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var course = ""
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var currentIndexPath: IndexPath? = nil
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var internalCourse = ""
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@IBOutlet weak var toolbar: UINavigationBar!
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let prefs = UserDefaults.standard
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let df = DataFetcher.sharedInstance
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var index = 0
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var key = ""
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@IBOutlet weak var collectionView: UICollectionView!
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var previousSelected: IndexPath? = nil
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var currentSelected: IndexPath? = nil
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var selectedNewItem = false
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@IBAction func done(_ sender: UIBarButtonItem) {
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prefs.set(currentSelected!.item, forKey: key) // index is used for the colour array in DataFetcher
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let dict: [String: IndexPath] = ["indexPath": currentIndexPath!]
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NotificationCenter.default.post(name: NSNotification.Name(rawValue: "load"), object: nil, userInfo: dict)
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self.dismiss(animated: true, completion: nil)
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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key = "colour-index-\(internalCourse)"
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self.collectionView.register(UINib(nibName: "ColourViewCell", bundle: nil), forCellWithReuseIdentifier: identifier)
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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index = prefs.integer(forKey: key)
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self.toolbar!.topItem!.title = "\(course)"
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}
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func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
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// For remove previously selection
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if currentSelected != nil {
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if let cell = collectionView.cellForItem(at: currentSelected!) as? ColourViewCell {
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cell.imageView.image = UIImage(named: "ic_empty")
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}
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}
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if let cell = collectionView.cellForItem(at: indexPath) as? ColourViewCell {
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cell.imageView.image = UIImage(named: "checkmark")
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}
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currentSelected = indexPath
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// // For reload the selected cell
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self.collectionView.reloadItems(at: [currentSelected!])
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}
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeModeForItemAt indexPath: IndexPath) -> MagazineLayoutItemSizeMode {
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let widthMode = MagazineLayoutItemWidthMode.fullWidth(respectsHorizontalInsets: true)
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let heightMode = MagazineLayoutItemHeightMode.static(height: 55)
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return MagazineLayoutItemSizeMode(widthMode: widthMode, heightMode: heightMode)
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}
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, visibilityModeForHeaderInSectionAtIndex index: Int) -> MagazineLayoutHeaderVisibilityMode {
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return .hidden
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}
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, visibilityModeForFooterInSectionAtIndex index: Int) -> MagazineLayoutFooterVisibilityMode {
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return .hidden
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}
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, visibilityModeForBackgroundInSectionAtIndex index: Int) -> MagazineLayoutBackgroundVisibilityMode {
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return .hidden
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}
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, horizontalSpacingForItemsInSectionAtIndex index: Int) -> CGFloat {
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return 0
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}
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, verticalSpacingForElementsInSectionAtIndex index: Int) -> CGFloat {
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return 0
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}
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetsForSectionAtIndex index: Int) -> UIEdgeInsets {
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return UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
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}
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetsForItemsInSectionAtIndex index: Int) -> UIEdgeInsets {
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return UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
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}
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func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
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return self.df.getColourPalette().count
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}
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func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
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let cell = collectionView.dequeueReusableCell(withReuseIdentifier: identifier, for: indexPath as IndexPath) as! ColourViewCell
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cell.label.text = self.df.getColourPaletteNames()[indexPath.item]
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cell.colorView.layer.cornerRadius = cell.colorView.frame.height / 2
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cell.colorView.backgroundColor = self.df.getColourPalette()[indexPath.item]
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cell.backgroundColor = #colorLiteral(red: 1.0, green: 1.0, blue: 1.0, alpha: 1.0)
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cell.colorView.layer.borderWidth = 0.4
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cell.colorView.layer.borderColor = #colorLiteral(red: 0.2549019754, green: 0.2745098174, blue: 0.3019607961, alpha: 1)
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if currentSelected == indexPath {
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cell.imageView.image = UIImage(named: "checkmark")
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} else {
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cell.imageView.image = UIImage(named: "ic_empty")
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}
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if !selectedNewItem, indexPath.item == prefs.integer(forKey: key) {
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currentSelected = indexPath
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cell.imageView.image = UIImage(named: "checkmark")
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selectedNewItem = true
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}
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return cell
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}
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}
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