68 lines
2.1 KiB
C#
68 lines
2.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.Linq;
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using System.Threading.Tasks;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Media.Imaging;
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using Avalonia.Platform.Storage;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using CommunityToolkit.Mvvm.Messaging;
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using GazpromApp.Messages;
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using Image = GazpromApp.Models.Image;
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using Point = GazpromApp.Models.Point;
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namespace GazpromApp.ViewModels;
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public partial class NewPointDialogViewModel : ViewModelBase
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{
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[ObservableProperty]
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private string? _name;
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[ObservableProperty]
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private string? _description;
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public ObservableCollection<ImageViewModel> Images { get; } = new ObservableCollection<ImageViewModel>();
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[RelayCommand]
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public void DeleteImage(ImageViewModel image)
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{
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Images.Remove(image);
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if (Images.Count == 0)
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IsImagesEmpty = true;
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}
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[RelayCommand]
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private async Task AddImage(Window w)
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{
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IReadOnlyList<IStorageFile> files = await w.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions()
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{
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AllowMultiple = true,
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Title = "Выберите одну или несколько картинок",
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FileTypeFilter = [FilePickerFileTypes.ImageAll],
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});
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foreach (var file in files)
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Images.Add(new ImageViewModel(new Image()) { FileName = new Bitmap(file.Path.AbsolutePath) });
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IsImagesEmpty = false;
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}
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[ObservableProperty]
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private bool _isImagesEmpty = true;
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private bool CanExecuteEnterPoint() => !string.IsNullOrEmpty(Name) || !string.IsNullOrEmpty(Description);
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[RelayCommand(CanExecute = nameof(CanExecuteEnterPoint))]
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public void EnterPoint()
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{
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Point point = new Point()
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{
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Name = Name,
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Description = Description,
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Images = Images.Select(e => e.GetImage()).ToList()
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};
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WeakReferenceMessenger.Default.Send(new NewPointDone(new PointViewModel(point)));
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}
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} |