141 lines
4.5 KiB
Swift
141 lines
4.5 KiB
Swift
//
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// WP_PhotoAlbumVC.swift
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// WallpaperHD_Live
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//
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// Created by 忆海16 on 2024/7/23.
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//
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import UIKit
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import Photos
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class WP_PhotoAlbumVC: WP_RootVC {
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@IBOutlet weak var collectionView: UICollectionView!
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@IBOutlet weak var dataView: UIView!
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var model = [WP_PhotoAlbum]()
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override func viewDidLoad() {
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super.viewDidLoad()
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setCollectionView()
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}
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func setCollectionView(){
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collectionView.delegate = self
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collectionView.dataSource = self
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// 设置 collection view 的布局
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let layout = CustomCollectionViewFlowLayout()
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collectionView.collectionViewLayout = layout
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layout.scrollDirection = .vertical
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collectionView.register(UINib(nibName: "WP_WallpaperCollectionCell", bundle: nil), forCellWithReuseIdentifier: "WP_WallpaperCollectionCell")
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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self.navigationController?.navigationBar.isHidden = true
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let retrievedModels = PreferencesManager.shared.retrieveRakModels()
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if retrievedModels != nil{
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self.model = retrievedModels!
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}else{
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}
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if self.model.count == 0{
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self.dataView.isHidden = false
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}else{
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self.dataView.isHidden = true
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}
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}
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@IBAction func add(_ sender: Any) {
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let imagePicker = UIImagePickerController()
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imagePicker.sourceType = .photoLibrary
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imagePicker.delegate = self
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present(imagePicker, animated: true, completion: nil)
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}
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@IBAction func back(_ sender: Any) {
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self.navigationController?.popViewController(animated: true)
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}
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// 将 UIImage 转换为字符串
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func convertImageToString(image: UIImage) -> String? {
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if let imageData = image.jpegData(compressionQuality: 1.0) {
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// 将图片数据转换为 Base64 编码的字符串
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let base64String = imageData.base64EncodedString()
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return base64String
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}
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return nil
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}
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// 将 Base64 字符串转换为图片
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func convertStringToImage(base64String: String) -> UIImage? {
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if let imageData = Data(base64Encoded: base64String) {
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if let image = UIImage(data: imageData) {
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return image
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}
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}
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return nil
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}
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}
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extension WP_PhotoAlbumVC:UIImagePickerControllerDelegate, UINavigationControllerDelegate{
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// 当选择图片完成时调用的方法
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func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
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picker.dismiss(animated: true, completion: nil)
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// 获取选定的图片
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if let image = info[UIImagePickerController.InfoKey.originalImage] as? UIImage {
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// 存储图片到 UserDefaults
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// saveImageToUserDefaults(image, forKey: "selectedImage")
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let base64imgString = convertImageToString(image: image)
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let dataModel1 = WP_PhotoAlbum( img: base64imgString)
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PreferencesManager.shared.addRakModel(dataModel1)
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let retrievedModels = PreferencesManager.shared.retrieveRakModels()
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if retrievedModels != nil{
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self.model = retrievedModels!
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self.collectionView.reloadData()
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}else{
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}
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if self.model.count == 0{
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self.dataView.isHidden = false
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}else{
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self.dataView.isHidden = true
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}
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}
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}
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// 当用户取消选择图片时调用的方法
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func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
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picker.dismiss(animated: true, completion: nil)
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}
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}
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extension WP_PhotoAlbumVC:UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout{
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func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
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return model.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: "WP_WallpaperCollectionCell", for: indexPath)as!WP_WallpaperCollectionCell
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let data = self.model[indexPath.row]
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cell.wpImagV.image = convertStringToImage(base64String: data.img ?? "")
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return cell
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}
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}
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