TMusic/ViewModel/ThemeBgViewModel.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using TMusic.Model;
using TMusic.Util;

namespace TMusic.ViewModel
{
    public class ThemeBgViewModel : ObservableObject
    {
        public ThemeBgViewModel()
        {
            Init();
        }

        private string _selectedBgPath;
        public string SelectedBgPath { get => _selectedBgPath; set => SetProperty(ref _selectedBgPath, value); }

        public List<MusicBgImgModel> BgImgList { get; set; }

        public RelayCommand<KeyValueModel> ChangeBgCmd => new RelayCommand<KeyValueModel>(ChangeBg);

        public RelayCommand UploadLocalImgCmd => new RelayCommand(UploadLocalImg);

        public Action<KeyValueModel> ChangedBg { get; set; }

        private void Init()
        {
            LoadBgImgList();
        }

        private void ChangeBg(KeyValueModel model)
        {
            SelectedBgPath = model.Value;
            ChangedBg?.Invoke(model);
        }

        private void UploadLocalImg()
        {
            OpenFileDialog openFileDialog = new OpenFileDialog
            {
                Filter = "图像文件|*.jpg;*.png;*.jpeg;*.bmp;*.gif|所有文件|*.*"
            };

            var result = openFileDialog.ShowDialog();
            if (result.HasValue && result.Value)
            {
                Console.WriteLine(openFileDialog.FileName);
                string path = FileUtil.CopyToApp(openFileDialog.FileName, "Image\\Bg");
                SelectedBgPath = path;
                ChangedBg?.Invoke(new KeyValueModel(path, path));
            }
        }

        private void LoadBgImgList()
        {
            BgImgList = new List<MusicBgImgModel>();