131 lines
3.4 KiB
C#
131 lines
3.4 KiB
C#
using System.Collections.Generic;
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using System.Threading.Tasks;
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using System.Web;
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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 GazpromApp.Models;
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namespace GazpromApp.ViewModels;
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public partial class EditEquipmentDialogViewModel : ViewModelBase
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{
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[ObservableProperty]
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[NotifyCanExecuteChangedFor(nameof(CompleteEditCommand))]
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private string? _name;
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[ObservableProperty]
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[NotifyCanExecuteChangedFor(nameof(CompleteEditCommand))]
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private string? _description;
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[ObservableProperty]
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private bool _isNameEditing;
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[ObservableProperty]
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private bool _isDescriptionEditing;
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[ObservableProperty]
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private ImageViewModel? _image;
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[RelayCommand]
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private void EditName()
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{
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IsNameEditing = !IsNameEditing;
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IsDescriptionEditing = false;
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}
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[RelayCommand]
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private void EditDescription()
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{
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IsDescriptionEditing = !IsDescriptionEditing;
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IsNameEditing = false;
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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 = false,
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Title = "Выберите картинку",
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FileTypeFilter = [FilePickerFileTypes.ImageAll],
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});
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IsImageSelected = files.Count > 0;
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Image = IsImageSelected ? new ImageViewModel(new Models.Image()) { FileName = new Bitmap(HttpUtility.UrlDecode(files[0].Path.AbsolutePath)) } : null;
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}
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[RelayCommand]
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private async Task ViewImage()
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{
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if (Image is null) return;
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_ = await WeakReferenceMessenger.Default.Send(new ViewImageMessage(Image));
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}
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[RelayCommand]
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private void DeleteImage()
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{
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Image = null;
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IsImageSelected = false;
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}
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private bool CanCompleteEdit() => !string.IsNullOrWhiteSpace(Name);
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[RelayCommand(CanExecute = nameof(CanCompleteEdit))]
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private void CompleteEdit()
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{
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IsClosed = true;
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Equipment equipment = new Equipment()
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{
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Name = Name,
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Description = Description,
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Image = Image?.GetImage(),
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Properties = [],
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};
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WeakReferenceMessenger.Default.Send(new EditEquipmentDone(new EquipmentViewModel(equipment)));
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}
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[RelayCommand]
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private void CancelEdit(Window w)
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{
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IsClosed = true;
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WeakReferenceMessenger.Default.Send(new EditEquipmentDone(_equipment));
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}
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// Visual and other properties
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[ObservableProperty]
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private bool _isImageSelected;
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[ObservableProperty]
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private bool _isClosed;
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private readonly EquipmentViewModel _equipment;
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public EditEquipmentDialogViewModel()
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{
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Name = "";
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Description = "";
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Image = null;
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IsImageSelected = false;
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_equipment = new EquipmentViewModel(new Equipment());
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}
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public EditEquipmentDialogViewModel(EquipmentViewModel equipment)
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{
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Name = equipment.Name;
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Description = equipment.Description;
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Image = equipment.Image;
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IsImageSelected = equipment.Image is { Bytes.Length: > 0 };
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_equipment = equipment;
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}
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} |