Доработан Docking
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@@ -1,421 +1,17 @@
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using Lattice.Core.DragDrop.Services;
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using Lattice.Themes;
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using Lattice.UI.DragDrop.WinUI.Factories;
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using Lattice.UI.DragDrop.WinUI.Services;
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using Lattice.UI.DragDrop.WinUI;
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using Microsoft.UI.Xaml;
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using Microsoft.UI.Xaml.Controls;
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using System;
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using System.Collections.ObjectModel;
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using System.Linq;
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using System.Threading.Tasks;
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namespace Lattice.Example.DragDrop;
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public sealed partial class MainWindow : Window
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{
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private readonly ObservableCollection<DragDropItem> _sourceItems = new();
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private readonly ObservableCollection<DragDropItem> _droppedItems = new();
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private WinUIDragDropManager? _dragDropManager;
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private IDragDropService? _dragDropService;
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private int _dragOperationCount = 0;
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private bool _isInitialized = false;
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public MainWindow()
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{
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// Создаем менеджер перетаскивания
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_dragDropManager = WinUIDragDropFactory.CreateManager(this, manager =>
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{
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// Настраиваем смещение визуального элемента
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manager.DragVisualOffset = new Core.Geometry.Point(-15, -15);
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});
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_dragDropService = _dragDropManager.DragDropService;
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InitializeComponent();
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// Устанавливаем размер окна
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SetWindowSize(1200, 800);
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// Инициализируем данные
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InitializeData();
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// Инициализируем drag & drop систему
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InitializeDragDrop();
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// Устанавливаем контекст данных
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SourceItemsControl.ItemsSource = _sourceItems;
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DroppedItemsControl.ItemsSource = _droppedItems;
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Closed += MainWindow_Closing;
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// Обновляем видимость инструкций
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UpdateDropInstructions();
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}
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private void MainWindow_Closing(object sender, WindowEventArgs args)
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{
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// Очищаем ресурсы
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_dragDropManager?.Dispose();
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}
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private void InitializeData()
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{
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// Создаем тестовые данные для перетаскивания
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_sourceItems.Add(new DragDropItem
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{
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Name = "Document",
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Description = "Microsoft Word document",
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Icon = "Document",
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Type = "File"
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});
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_sourceItems.Add(new DragDropItem
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{
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Name = "Image",
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Description = "PNG image file",
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Icon = "Pictures",
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Type = "File"
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});
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_sourceItems.Add(new DragDropItem
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{
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Name = "Music",
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Description = "MP3 audio file",
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Icon = "Audio",
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Type = "File"
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});
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_sourceItems.Add(new DragDropItem
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{
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Name = "Video",
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Description = "MP4 video file",
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Icon = "Video",
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Type = "File"
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});
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_sourceItems.Add(new DragDropItem
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{
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Name = "Contact",
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Description = "Contact information",
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Icon = "Contact",
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Type = "Data"
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});
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_sourceItems.Add(new DragDropItem
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{
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Name = "Link",
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Description = "Web URL",
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Icon = "Link",
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Type = "Link"
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});
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_sourceItems.Add(new DragDropItem
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{
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Name = "Folder",
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Description = "File system folder",
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Icon = "Folder",
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Type = "Folder"
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});
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}
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private void InitializeDragDrop()
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{
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try
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{
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// Настраиваем кастомный источник перетаскивания
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_dragDropManager.MakeDragSource(CustomDragSource, new DragDropItem
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{
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Name = "Custom Element",
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Description = "This is a custom drag source example",
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Icon = "Favorite",
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Type = "Custom"
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});
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// Настраиваем обработчик для области сброса
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_dragDropManager.MakeDropTarget(DropTargetArea);
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// Подписываемся на события перетаскивания
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_dragDropService.DragStarted += OnDragStarted;
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_dragDropService.DragUpdated += OnDragUpdated;
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_dragDropService.DragCompleted += OnDragCompleted;
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_dragDropService.DragCancelled += OnDragCancelled;
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_dragDropService.DropTargetChanged += OnDropTargetChanged;
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_dragDropService.ErrorOccurred += OnDragDropError;
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UpdateStats();
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StatusText.Text = "Drag & Drop system initialized";
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}
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catch (Exception ex)
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{
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StatusText.Text = $"Failed to initialize Drag & Drop: {ex.Message}";
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ShowErrorDialog("Initialization Error", ex.Message);
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}
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}
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private void OnDragStarted(object? sender, Core.DragDrop.Services.DragStartedEventArgs e)
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{
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_dragOperationCount++;
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UpdateStats();
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StatusText.Text = $"Dragging started: {GetItemName(e.DragInfo.Data)}";
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}
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private void OnDragUpdated(object? sender, Core.DragDrop.Services.DragUpdatedEventArgs e)
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{
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StatusText.Text = $"Dragging: {GetItemName(e.DragInfo.Data)} at ({e.Position.X:F0}, {e.Position.Y:F0})";
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}
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private void OnDragCompleted(object? sender, Core.DragDrop.Services.DragCompletedEventArgs e)
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{
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// Проверяем, что элемент сброшен на нашу область
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if (e.DragInfo.Data is DragDropItem item)
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{
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// Добавляем элемент в список сброшенных
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DispatcherQueue.TryEnqueue(() =>
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{
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if (!_droppedItems.Contains(item))
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{
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_droppedItems.Add(item);
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// Удаляем из источников, если это не кастомный элемент
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if (_sourceItems.Contains(item) && item.Name != "Custom Element")
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{
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_sourceItems.Remove(item);
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}
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UpdateStats();
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UpdateDropInstructions();
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StatusText.Text = $"Item dropped: {item.Name}";
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// Показываем уведомление
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ShowDropNotification(item);
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}
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});
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}
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else
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{
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StatusText.Text = "Drag completed";
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}
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}
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private async void ShowDropNotification(DragDropItem item)
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{
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var notification = new TeachingTip
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{
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Title = "Item Dropped",
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Subtitle = $"Successfully dropped '{item.Name}'",
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IsOpen = true,
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PreferredPlacement = TeachingTipPlacementMode.TopRight,
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Target = DropTargetArea
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};
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// Автоматически скрываем через 3 секунды
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await Task.Delay(3000);
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notification.IsOpen = false;
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}
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private void OnDragCancelled(object? sender, Core.DragDrop.Services.DragCancelledEventArgs e)
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{
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StatusText.Text = "Drag cancelled";
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}
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private void OnDropTargetChanged(object? sender, Core.DragDrop.Services.DropTargetChangedEventArgs e)
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{
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if (e.Target != null)
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{
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StatusText.Text = "Over drop target";
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}
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else
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{
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StatusText.Text = "Not over drop target";
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}
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}
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private async void OnDragDropError(object? sender, Core.DragDrop.Services.DragDropErrorEventArgs e)
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{
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StatusText.Text = $"Error: {e.Exception.Message}";
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await ShowErrorDialog("Drag & Drop Error", e.Exception.Message);
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}
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private string GetItemName(object? data)
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{
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if (data is DragDropItem item)
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{
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return item.Name;
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}
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return data?.ToString() ?? "Unknown";
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}
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private void UpdateStats()
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{
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DispatcherQueue.TryEnqueue(() =>
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{
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DragStatsText.Text = $"Drag operations: {_dragOperationCount}";
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DropStatsText.Text = $"Dropped items: {_droppedItems.Count}";
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});
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}
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private void UpdateDropInstructions()
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{
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DropInstructionsBorder.Visibility = _droppedItems.Count == 0 ?
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Visibility.Visible : Visibility.Collapsed;
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}
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private void OnThemeToggleToggled(object sender, RoutedEventArgs e)
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{
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if (sender is ToggleSwitch toggle)
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{
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try
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{
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var themeManager = ThemeManager.Current;
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if (toggle.IsOn)
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{
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themeManager.ApplyTheme("Fluent Dark");
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}
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else
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{
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themeManager.ApplyTheme("Fluent");
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}
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StatusText.Text = $"Theme changed to {(toggle.IsOn ? "Dark" : "Light")}";
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}
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catch (Exception ex)
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{
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StatusText.Text = $"Failed to change theme: {ex.Message}";
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}
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}
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}
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private async void OnStatsButtonClick(object sender, RoutedEventArgs e)
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{
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if (_dragDropService != null)
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{
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var stats = _dragDropService.GetStats();
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var dialog = new ContentDialog
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{
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Title = "Drag & Drop Statistics",
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Content = new ScrollViewer
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{
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Content = new StackPanel
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{
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Spacing = 8,
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Children =
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{
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CreateStatRow("Total Drag Operations:", stats.TotalDragOperations.ToString()),
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CreateStatRow("Successful Drops:", stats.SuccessfulDrops.ToString()),
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CreateStatRow("Cancelled Operations:", stats.CancelledOperations.ToString()),
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CreateStatRow("Errors:", stats.ErrorCount.ToString()),
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CreateStatRow("Registered Targets:", stats.RegisteredTargets.ToString()),
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CreateStatRow("Average Operation Time:",
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stats.AverageOperationTime.TotalMilliseconds.ToString("F0") + "ms")
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}
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}
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},
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PrimaryButtonText = "OK",
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XamlRoot = Content.XamlRoot
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};
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await dialog.ShowAsync();
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}
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}
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private StackPanel CreateStatRow(string label, string value)
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{
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return new StackPanel
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{
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Orientation = Orientation.Horizontal,
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Spacing = 10,
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Children =
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{
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new TextBlock
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{
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Text = label,
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FontWeight = Microsoft.UI.Text.FontWeights.SemiBold,
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Width = 200
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},
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new TextBlock
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{
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Text = value
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}
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}
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};
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}
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private void OnRemoveItemClick(object sender, RoutedEventArgs e)
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{
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if (sender is Button button && button.Tag is DragDropItem item)
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{
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_droppedItems.Remove(item);
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UpdateStats();
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UpdateDropInstructions();
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// Добавляем обратно в источники, если это не кастомный элемент
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if (item.Name != "Custom Element" && !_sourceItems.Contains(item))
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{
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_sourceItems.Add(item);
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}
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StatusText.Text = $"Item removed: {item.Name}";
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}
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}
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private void OnResetPanelsClick(object sender, RoutedEventArgs e)
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{
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// Очищаем все сброшенные элементы
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foreach (var item in _droppedItems.ToList())
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{
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if (item.Name != "Custom Element" && !_sourceItems.Contains(item))
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{
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_sourceItems.Add(item);
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}
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}
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_droppedItems.Clear();
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UpdateStats();
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UpdateDropInstructions();
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StatusText.Text = "Panels reset";
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}
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private async Task ShowErrorDialog(string title, string message)
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{
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var dialog = new ContentDialog
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{
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Title = title,
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Content = message,
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PrimaryButtonText = "OK",
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XamlRoot = Content.XamlRoot
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};
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await dialog.ShowAsync();
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}
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// Метод для установки размера окна
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private void SetWindowSize(int width, int height)
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{
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try
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{
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var hwnd = WinRT.Interop.WindowNative.GetWindowHandle(this);
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var windowId = Microsoft.UI.Win32Interop.GetWindowIdFromWindow(hwnd);
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var appWindow = Microsoft.UI.Windowing.AppWindow.GetFromWindowId(windowId);
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appWindow.Resize(new Windows.Graphics.SizeInt32(width, height));
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// Центрируем окно
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var displayArea = Microsoft.UI.Windowing.DisplayArea.GetFromWindowId(windowId,
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Microsoft.UI.Windowing.DisplayAreaFallback.Primary);
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var centerX = (displayArea.WorkArea.Width - width) / 2;
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var centerY = (displayArea.WorkArea.Height - height) / 2;
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appWindow.Move(new Windows.Graphics.PointInt32(centerX, centerY));
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}
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catch (Exception ex)
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{
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// Игнорируем ошибки при установке размера окна
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System.Diagnostics.Debug.WriteLine($"Failed to set window size: {ex.Message}");
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}
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XamlInitializer.Initialize(this);
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Title = "✅ Drag & Drop работает! Перетащите элементы →";
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}
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}
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