Burak Kaan Köse
888 lines
34 KiB
C#
888 lines
34 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using CommunityToolkit.Mvvm.Collections;
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using CommunityToolkit.Mvvm.Messaging;
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using CommunityToolkit.WinUI;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.UI.Xaml;
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using Microsoft.UI.Xaml.Controls;
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using Microsoft.UI.Xaml.Controls.Primitives;
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using Microsoft.UI.Xaml.Input;
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using Microsoft.UI.Xaml.Media.Animation;
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using Microsoft.UI.Xaml.Navigation;
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using MoreLinq;
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using Windows.Foundation;
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using Windows.System;
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using Wino.Controls;
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using Wino.Core.Domain;
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using Wino.Core.Domain.Enums;
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using Wino.Core.Domain.Interfaces;
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using Wino.Core.Domain.Models.MailItem;
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using Wino.Core.Domain.Models.Menus;
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using Wino.Core.Domain.Models.Navigation;
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using Wino.Mail.ViewModels.Data;
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using Wino.Mail.ViewModels.Messages;
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using Wino.Mail.WinUI;
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using Wino.Mail.WinUI.Controls.ListView;
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using Wino.Mail.WinUI.Extensions;
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using Wino.MenuFlyouts.Context;
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using Wino.Messaging.Client.Mails;
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using Wino.Views.Abstract;
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using WinRT;
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// object, IMailListItem
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// Register generic types from CommunityToolkit.Mvvm for AOT compatibility when passed across WinRT boundary
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[assembly: GeneratedWinRTExposedExternalType(typeof(ObservableGroup<object, IMailListItem>))]
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[assembly: GeneratedWinRTExposedExternalType(typeof(ReadOnlyObservableGroup<object, IMailListItem>))]
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[assembly: GeneratedWinRTExposedExternalType(typeof(ReadOnlyObservableGroupedCollection<object, IMailListItem>))]
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namespace Wino.Views.Mail;
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public sealed partial class MailListPage : MailListPageAbstract,
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IRecipient<ClearMailSelectionsRequested>,
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IRecipient<ActiveMailItemChangedEvent>,
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IRecipient<SelectMailItemContainerEvent>,
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IRecipient<DisposeRenderingFrameRequested>
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{
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private const double RENDERING_COLUMN_MIN_WIDTH = 375;
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private IStatePersistanceService StatePersistenceService { get; } = WinoApplication.Current.Services.GetService<IStatePersistanceService>() ?? throw new Exception($"Can't resolve {nameof(KeyPressService)}");
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private IKeyPressService KeyPressService { get; } = WinoApplication.Current.Services.GetService<IKeyPressService>() ?? throw new Exception($"Can't resolve {nameof(KeyPressService)}");
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private IKeyboardShortcutService KeyboardShortcutService { get; } = WinoApplication.Current.Services.GetService<IKeyboardShortcutService>() ?? throw new Exception($"Can't resolve {nameof(IKeyboardShortcutService)}");
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public MailListPage()
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{
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InitializeComponent();
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}
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protected override void OnNavigatedTo(NavigationEventArgs e)
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{
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base.OnNavigatedTo(e);
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Bindings.Update();
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ViewModel.MailCollection.ItemSelectionChanged += WinoMailCollectionSelectionChanged;
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MailListView.MailDragStateChanged += MailListViewMailDragStateChanged;
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UpdateSelectAllButtonStatus();
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UpdateAdaptiveness();
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// Delegate to ViewModel.
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if (e.Parameter is NavigateMailFolderEventArgs folderNavigationArgs)
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{
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WeakReferenceMessenger.Default.Send(new ActiveMailFolderChangedEvent(folderNavigationArgs.BaseFolderMenuItem, folderNavigationArgs.FolderInitLoadAwaitTask));
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}
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}
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protected override void OnNavigatedFrom(NavigationEventArgs e)
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{
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base.OnNavigatedFrom(e);
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this.Bindings.StopTracking();
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ViewModel.MailCollection.ItemSelectionChanged -= WinoMailCollectionSelectionChanged;
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MailListView.MailDragStateChanged -= MailListViewMailDragStateChanged;
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SelectAllCheckbox.Checked -= SelectAllCheckboxChecked;
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SelectAllCheckbox.Unchecked -= SelectAllCheckboxUnchecked;
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ViewModel.SetDragState(false);
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MailListView.Cleanup();
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RenderingFrame.Navigate(typeof(IdlePage));
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GC.Collect();
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}
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private void UpdateSelectAllButtonStatus()
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{
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// Check all checkbox if all is selected.
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// Unhook events to prevent selection overriding.
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DispatcherQueue.TryEnqueue(Microsoft.UI.Dispatching.DispatcherQueuePriority.Low, () =>
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{
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SelectAllCheckbox.Checked -= SelectAllCheckboxChecked;
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SelectAllCheckbox.Unchecked -= SelectAllCheckboxUnchecked;
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SelectAllCheckbox.IsChecked = ViewModel.MailCollection.IsAllItemsSelected;
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SelectAllCheckbox.Checked += SelectAllCheckboxChecked;
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SelectAllCheckbox.Unchecked += SelectAllCheckboxUnchecked;
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});
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}
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private void SelectionModeToggleChecked(object sender, RoutedEventArgs e) => ChangeSelectionMode(ListViewSelectionMode.Multiple);
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private void MailItemDisplayInformationControl_HoverActionExecuted(object sender, MailOperationPreperationRequest e)
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{
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ViewModel.ExecuteHoverActionCommand.Execute(e);
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}
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private void FolderPivotChanged(object sender, SelectionChangedEventArgs e)
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{
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foreach (var addedItem in e.AddedItems)
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{
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if (addedItem is FolderPivotViewModel pivotItem)
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{
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pivotItem.IsSelected = true;
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}
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}
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foreach (var removedItem in e.RemovedItems)
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{
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if (removedItem is FolderPivotViewModel pivotItem)
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{
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pivotItem.IsSelected = false;
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}
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}
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SelectAllCheckbox.IsChecked = false;
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SelectionModeToggle.IsChecked = false;
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UpdateSelectAllButtonStatus();
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ViewModel.SelectedPivotChangedCommand.Execute(null);
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}
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private void ChangeSelectionMode(ListViewSelectionMode mode)
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{
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MailListView.ChangeSelectionMode(mode);
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if (ViewModel?.PivotFolders != null)
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{
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ViewModel.PivotFolders.ForEach(a => a.IsExtendedMode = mode == ListViewSelectionMode.Extended);
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}
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}
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private void SelectionModeToggleUnchecked(object sender, RoutedEventArgs e)
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{
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ChangeSelectionMode(ListViewSelectionMode.Extended);
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}
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private async void SelectAllCheckboxChecked(object sender, RoutedEventArgs e)
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{
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await ViewModel.MailCollection.SelectAllAsync();
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}
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private async void SelectAllCheckboxUnchecked(object sender, RoutedEventArgs e)
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{
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await ViewModel.MailCollection.UnselectAllAsync();
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}
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private void WinoListViewChoosingItemContainer(ListViewBase sender, ChoosingItemContainerEventArgs args)
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{
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if (args.Item is ThreadMailItemViewModel && args.ItemContainer is not WinoThreadMailItemViewModelListViewItem)
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{
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args.ItemContainer = new WinoThreadMailItemViewModelListViewItem()
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{
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Item = args.Item as ThreadMailItemViewModel
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};
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}
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else if (args.Item is MailItemViewModel && args.ItemContainer is not WinoMailItemViewModelListViewItem)
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{
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args.ItemContainer = new WinoMailItemViewModelListViewItem()
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{
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Item = args.Item as MailItemViewModel
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};
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}
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}
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private async void MailItemContextRequested(UIElement sender, ContextRequestedEventArgs args)
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{
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// Context is requested from a single mail point, but we might have multiple selected items.
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// This menu should be calculated based on all selected items by providers.
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if (sender is MailItemDisplayInformationControl control && args.TryGetPosition(sender, out Point p))
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{
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IEnumerable<MailItemViewModel> targetItems;
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if (control.ActionItem is ThreadMailItemViewModel threadItem)
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{
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await SelectThreadForContextMenuAsync(threadItem);
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}
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else if (control.ActionItem is MailItemViewModel mailItem && !ViewModel.MailCollection.SelectedItems.Contains(mailItem))
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{
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// Right clicked item is not selected. Select.
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await WinoClickItemInternalAsync(mailItem, true);
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}
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// Default to all selected items.
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targetItems = ViewModel.MailCollection.SelectedItems;
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var availableActions = ViewModel.GetAvailableMailActions(targetItems);
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if (availableActions == null || !availableActions.Any()) return;
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var clickedOperation = await GetMailOperationFromFlyoutAsync(availableActions, control, p.X, p.Y);
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if (clickedOperation == null) return;
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var prepRequest = new MailOperationPreperationRequest(clickedOperation.Operation, targetItems.Select(a => a.MailCopy));
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await ViewModel.ExecuteMailOperationAsync(prepRequest);
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}
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}
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private async Task SelectThreadForContextMenuAsync(ThreadMailItemViewModel threadItem)
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{
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bool isThreadFullySelected = threadItem.IsSelected && threadItem.ThreadEmails.All(a => a.IsSelected);
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bool hasSelectionsOutsideThread = ViewModel.MailCollection.SelectedItems.Any(a => !threadItem.ThreadEmails.Contains(a));
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// No-op to avoid visual collapse/re-expand flicker on right-click.
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if (threadItem.IsThreadExpanded && isThreadFullySelected && !hasSelectionsOutsideThread)
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{
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return;
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}
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// Context menu on a thread should target the whole thread and keep it expanded.
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await ViewModel.MailCollection.UnselectAllAsync();
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await ViewModel.MailCollection.ExecuteWithoutRaiseSelectionChangedAsync(item =>
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{
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if (item is ThreadMailItemViewModel thread && !ReferenceEquals(thread, threadItem))
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{
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thread.IsThreadExpanded = false;
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}
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}, true);
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threadItem.IsSelected = true;
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threadItem.IsThreadExpanded = true;
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foreach (var threadMail in threadItem.ThreadEmails)
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{
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threadMail.IsSelected = true;
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}
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}
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private async Task<MailOperationMenuItem> GetMailOperationFromFlyoutAsync(IEnumerable<MailOperationMenuItem> availableActions,
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UIElement showAtElement,
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double x,
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double y)
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{
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var source = new TaskCompletionSource<MailOperationMenuItem>();
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var flyout = new MailOperationFlyout(availableActions, source);
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flyout.ShowAt(showAtElement, new FlyoutShowOptions()
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{
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ShowMode = FlyoutShowMode.Standard,
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Position = new Point(x + 30, y - 20)
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});
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return await source.Task;
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}
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async void IRecipient<ClearMailSelectionsRequested>.Receive(ClearMailSelectionsRequested message)
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{
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await ViewModel.MailCollection.UnselectAllAsync();
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}
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void IRecipient<ActiveMailItemChangedEvent>.Receive(ActiveMailItemChangedEvent message)
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{
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// No active mail item. Go to empty page.
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if (message.SelectedMailItemViewModel == null)
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{
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if (IsRenderingPageActive())
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{
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WeakReferenceMessenger.Default.Send(new CancelRenderingContentRequested());
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}
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// Ensure rendering frame actually navigates away from Compose/Rendering pages.
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// Otherwise those pages keep their messenger registrations alive.
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ViewModel.NavigationService.Navigate(WinoPage.IdlePage, null, NavigationReferenceFrame.RenderingFrame, NavigationTransitionType.DrillIn);
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}
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else
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{
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// Navigate to composing page.
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if (message.SelectedMailItemViewModel.IsDraft)
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{
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NavigationTransitionType composerPageTransition = NavigationTransitionType.None;
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// Dispose active rendering if there is any and go to composer.
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if (IsRenderingPageActive())
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{
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// Prepare WebView2 animation from Rendering to Composing page.
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PrepareRenderingPageWebViewTransition();
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// Dispose existing HTML content from rendering page webview.
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WeakReferenceMessenger.Default.Send(new CancelRenderingContentRequested());
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}
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else if (IsComposingPageActive())
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{
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// Composer is already active. Skip connected animation since the page
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// will be reused in-place (no navigation occurs).
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// NavigationService will send NewComposeDraftItemRequestedEvent instead.
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}
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else
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composerPageTransition = NavigationTransitionType.DrillIn;
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ViewModel.NavigationService.Navigate(WinoPage.ComposePage, message.SelectedMailItemViewModel, NavigationReferenceFrame.RenderingFrame, composerPageTransition);
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}
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else
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{
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// Find the MIME and go to rendering page.
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if (message.SelectedMailItemViewModel == null) return;
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if (IsComposingPageActive())
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{
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PrepareComposePageWebViewTransition();
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}
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ViewModel.NavigationService.Navigate(WinoPage.MailRenderingPage, message.SelectedMailItemViewModel, NavigationReferenceFrame.RenderingFrame);
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}
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}
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UpdateAdaptiveness();
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}
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private bool IsRenderingPageActive() => RenderingFrame.Content is MailRenderingPage;
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private bool IsComposingPageActive() => RenderingFrame.Content is ComposePage;
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private void PrepareComposePageWebViewTransition()
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{
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var webView = GetComposerPageWebView();
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if (webView != null)
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{
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var animation = ConnectedAnimationService.GetForCurrentView().PrepareToAnimate("WebViewConnectedAnimation", webView);
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animation.Configuration = new BasicConnectedAnimationConfiguration();
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}
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}
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private void PrepareRenderingPageWebViewTransition()
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{
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var webView = GetRenderingPageWebView();
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if (webView != null)
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{
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var animation = ConnectedAnimationService.GetForCurrentView().PrepareToAnimate("WebViewConnectedAnimation", webView);
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animation.Configuration = new BasicConnectedAnimationConfiguration();
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}
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}
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#region Connected Animation Helpers
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private WebView2? GetRenderingPageWebView()
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{
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if (RenderingFrame.Content is MailRenderingPage renderingPage)
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return renderingPage.GetWebView();
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return null;
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}
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private WebView2? GetComposerPageWebView()
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{
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if (RenderingFrame.Content is ComposePage composePage)
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return composePage.GetWebView();
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return null;
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}
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#endregion
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public async void Receive(SelectMailItemContainerEvent message)
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{
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if (message.MailUniqueId == Guid.Empty) return;
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// Find the item from the collection.
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// Folder should be initialized already.
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var item = ViewModel.MailCollection.Find(message.MailUniqueId);
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if (item == null) return;
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await DispatcherQueue.EnqueueAsync(async () =>
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{
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var collectionContainer = await MailListView.GetItemContainersAsync(item);
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if (collectionContainer.Item1 == null && collectionContainer.Item2 == null) return;
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// Automatically scroll to the selected item.
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// This is useful when creating draft.
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if (message.ScrollToItem)
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{
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// Scroll to thread if available.
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// Find the item index on the UI. This is different than ListView.
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int scrollIndex = -1;
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if (collectionContainer.Item2 != null)
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{
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scrollIndex = ViewModel.MailCollection.IndexOf(collectionContainer.Item2.Item);
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}
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else if (collectionContainer.Item1 != null)
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{
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scrollIndex = ViewModel.MailCollection.IndexOf(collectionContainer.Item1.Item);
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}
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if (scrollIndex >= 0)
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{
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await MailListView.SmoothScrollIntoViewWithIndexAsync(scrollIndex);
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}
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}
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await WinoClickItemInternalAsync(item, true);
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});
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}
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private void SearchBoxFocused(object sender, RoutedEventArgs e)
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{
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SearchBar.PlaceholderText = string.Empty;
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}
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private void SearchBarUnfocused(object sender, RoutedEventArgs e)
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{
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SearchBar.PlaceholderText = Translator.SearchBarPlaceholder;
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}
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/// <summary>
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/// Thread header is mail info display control and it can be dragged spearately out of ListView.
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/// We need to prepare a drag package for it from the items inside.
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/// </summary>
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private void ThreadHeaderDragStart(UIElement sender, DragStartingEventArgs args)
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{
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if (sender is MailItemDisplayInformationControl control && control.ActionItem is ThreadMailItemViewModel threadItem)
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{
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args.AllowedOperations = Windows.ApplicationModel.DataTransfer.DataPackageOperation.Move;
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// Dragging a thread header should move all mails in that thread.
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var draggedThreadItems = threadItem.ThreadEmails.Cast<IMailListItem>().ToList();
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var dragCount = draggedThreadItems.Count;
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var draggingText = string.Format(Translator.MailsDragging, dragCount);
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ViewModel.SetDragState(true, dragCount);
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var dragPackage = new MailDragPackage(draggedThreadItems);
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args.Data.Properties.Add(nameof(MailDragPackage), dragPackage);
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args.Data.SetText(draggingText);
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args.Data.Properties.Title = draggingText;
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args.DragUI.SetContentFromDataPackage();
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}
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}
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private void ThreadHeaderDragFinished(UIElement sender, DropCompletedEventArgs args)
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{
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ViewModel.SetDragState(false);
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}
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private void MailListViewMailDragStateChanged(object? sender, MailDragStateChangedEventArgs e)
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{
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ViewModel.SetDragState(e.IsDragging, e.DraggedItemCount);
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}
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private async void ThreadHeaderTapped(object sender, TappedRoutedEventArgs e)
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{
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if (sender is not MailItemDisplayInformationControl control) return;
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// Hover action button clicks bubble a tap as well; skip selecting in that case.
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if (control.IsRunningHoverAction)
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{
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control.IsRunningHoverAction = false;
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return;
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}
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if (control.ActionItem is ThreadMailItemViewModel threadItem)
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{
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await WinoClickItemInternalAsync(threadItem);
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}
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}
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private async void LeftSwipeItemInvoked(Microsoft.UI.Xaml.Controls.SwipeItem sender, Microsoft.UI.Xaml.Controls.SwipeItemInvokedEventArgs args)
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{
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// Delete item for now.
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var swipeControl = args.SwipeControl;
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swipeControl.Close();
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if (swipeControl.Tag is MailItemViewModel mailItemViewModel)
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{
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var package = new MailOperationPreperationRequest(MailOperation.SoftDelete, mailItemViewModel.MailCopy);
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await ViewModel.ExecuteMailOperationAsync(package);
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}
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else if (swipeControl.Tag is ThreadMailItemViewModel threadMailItemViewModel)
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{
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var package = new MailOperationPreperationRequest(MailOperation.SoftDelete, threadMailItemViewModel.ThreadEmails.Select(a => a.MailCopy));
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await ViewModel.ExecuteMailOperationAsync(package);
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}
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}
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private async void RightSwipeItemInvoked(Microsoft.UI.Xaml.Controls.SwipeItem sender, Microsoft.UI.Xaml.Controls.SwipeItemInvokedEventArgs args)
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{
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// Toggle status only for now.
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var swipeControl = args.SwipeControl;
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swipeControl.Close();
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if (swipeControl.Tag is MailItemViewModel mailItemViewModel)
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{
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var operation = mailItemViewModel.IsRead ? MailOperation.MarkAsUnread : MailOperation.MarkAsRead;
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var package = new MailOperationPreperationRequest(operation, mailItemViewModel.MailCopy);
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await ViewModel.ExecuteMailOperationAsync(package);
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}
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else if (swipeControl.Tag is ThreadMailItemViewModel threadMailItemViewModel)
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{
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bool isAllRead = threadMailItemViewModel.ThreadEmails.All(a => a.IsRead);
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var operation = isAllRead ? MailOperation.MarkAsUnread : MailOperation.MarkAsRead;
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var package = new MailOperationPreperationRequest(operation, threadMailItemViewModel.ThreadEmails.Select(a => a.MailCopy));
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|
|
|
await ViewModel.ExecuteMailOperationAsync(package);
|
|
}
|
|
}
|
|
|
|
private async void SearchBar_TextChanged(AutoSuggestBox sender, AutoSuggestBoxTextChangedEventArgs args)
|
|
{
|
|
// User clicked 'x' button to clearout the search text.
|
|
if (args.Reason == AutoSuggestionBoxTextChangeReason.UserInput && string.IsNullOrWhiteSpace(sender.Text))
|
|
{
|
|
ViewModel.IsOnlineSearchButtonVisible = false;
|
|
await ViewModel.PerformSearchAsync();
|
|
}
|
|
}
|
|
|
|
public void Receive(DisposeRenderingFrameRequested message)
|
|
{
|
|
ViewModel.NavigationService.Navigate(WinoPage.IdlePage, null, NavigationReferenceFrame.RenderingFrame, NavigationTransitionType.DrillIn);
|
|
UpdateAdaptiveness();
|
|
}
|
|
|
|
protected override void RegisterRecipients()
|
|
{
|
|
WeakReferenceMessenger.Default.Register<ClearMailSelectionsRequested>(this);
|
|
WeakReferenceMessenger.Default.Register<ActiveMailItemChangedEvent>(this);
|
|
WeakReferenceMessenger.Default.Register<SelectMailItemContainerEvent>(this);
|
|
WeakReferenceMessenger.Default.Register<DisposeRenderingFrameRequested>(this);
|
|
}
|
|
|
|
protected override void UnregisterRecipients()
|
|
{
|
|
WeakReferenceMessenger.Default.Unregister<ClearMailSelectionsRequested>(this);
|
|
WeakReferenceMessenger.Default.Unregister<ActiveMailItemChangedEvent>(this);
|
|
WeakReferenceMessenger.Default.Unregister<SelectMailItemContainerEvent>(this);
|
|
WeakReferenceMessenger.Default.Unregister<DisposeRenderingFrameRequested>(this);
|
|
}
|
|
|
|
private void PageSizeChanged(object sender, SizeChangedEventArgs e)
|
|
{
|
|
ViewModel.MaxMailListLength = e.NewSize.Width - RENDERING_COLUMN_MIN_WIDTH;
|
|
|
|
StatePersistenceService.IsReaderNarrowed = e.NewSize.Width < StatePersistenceService.MailListPaneLength + RENDERING_COLUMN_MIN_WIDTH;
|
|
|
|
UpdateAdaptiveness();
|
|
}
|
|
|
|
private void MailListSizerManipulationCompleted(object sender, ManipulationCompletedRoutedEventArgs e)
|
|
{
|
|
StatePersistenceService.MailListPaneLength = ViewModel.MailListLength;
|
|
}
|
|
|
|
private void UpdateAdaptiveness()
|
|
{
|
|
bool isMultiSelectionEnabled = ViewModel.IsMultiSelectionModeEnabled;
|
|
|
|
if (StatePersistenceService.IsReaderNarrowed)
|
|
{
|
|
if (ViewModel.MailCollection.HasSingleItemSelected && !isMultiSelectionEnabled)
|
|
{
|
|
VisualStateManager.GoToState(this, "NarrowRenderer", true);
|
|
}
|
|
else
|
|
{
|
|
VisualStateManager.GoToState(this, "NarrowMailList", true);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (ViewModel.MailCollection.HasSingleItemSelected && !isMultiSelectionEnabled)
|
|
{
|
|
VisualStateManager.GoToState(this, "BothPanelsMailSelected", true);
|
|
}
|
|
else
|
|
{
|
|
VisualStateManager.GoToState(this, "BothPanelsNoMailSelected", true);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
private void WinoMailCollectionSelectionChanged(object? sender, EventArgs args)
|
|
{
|
|
UpdateSelectAllButtonStatus();
|
|
UpdateAdaptiveness();
|
|
}
|
|
|
|
private async void WinoListViewProcessKeyboardAccelerators(UIElement sender, ProcessKeyboardAcceleratorEventArgs args)
|
|
{
|
|
args.Handled = true;
|
|
|
|
if (args.Key == VirtualKey.Delete)
|
|
{
|
|
ViewModel.ExecuteMailOperationCommand.Execute(MailOperation.SoftDelete);
|
|
}
|
|
else if (args.Key == VirtualKey.A && args.Modifiers.HasFlag(VirtualKeyModifiers.Control))
|
|
{
|
|
await ViewModel.MailCollection.ToggleSelectAllAsync();
|
|
}
|
|
else if (args.Key == VirtualKey.Escape)
|
|
{
|
|
// Unselect the selected items.
|
|
await ViewModel.MailCollection.UnselectAllAsync();
|
|
}
|
|
else
|
|
{
|
|
// Check keyboard shortcuts from service.
|
|
ModifierKeys modifiers = args.Modifiers.ToDomainModifierKeys();
|
|
|
|
var operation = await KeyboardShortcutService.GetMailOperationForKeyAsync(args.Key.ToString(), modifiers);
|
|
|
|
if (operation != null)
|
|
{
|
|
ViewModel.ExecuteMailOperationCommand.Execute(operation);
|
|
}
|
|
else
|
|
{
|
|
args.Handled = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
private async Task WinoClickItemInternalAsync(object? clickedItem, bool selectExpandThread = false)
|
|
{
|
|
if (clickedItem == null) return;
|
|
|
|
// Requirements (summary):
|
|
// CTRL pressed -> multi-select behaviour
|
|
// * Clicking single item toggles only that item.
|
|
// * Clicking thread header toggles selection of thread AND all its children (all on or all off).
|
|
// * Clicking an item inside a thread toggles only that child item.
|
|
// CTRL NOT pressed -> single-select (exclusive) with toggle support (can leave zero selected)
|
|
// * Clicking thread header: unselect everything else, collapse all other threads, select only the thread + first child.
|
|
// If already in that state (thread selected and first child selected), clicking again unselects all (nothing selected).
|
|
// * Clicking a single (non-thread) item OR a child item: collapse & unselect all others then toggle that item's selection.
|
|
// If it was selected, result is nothing selected.
|
|
|
|
// Treat toolbar multi-select mode the same as holding CTRL for click selection behavior.
|
|
bool isCtrlPressed = KeyPressService.IsCtrlKeyPressed() || ViewModel.IsMultiSelectionModeEnabled;
|
|
|
|
// Lazily built caches for this invocation.
|
|
List<ThreadMailItemViewModel>? threadItems = null;
|
|
Dictionary<string, ThreadMailItemViewModel>? threadById = null;
|
|
|
|
List<ThreadMailItemViewModel> GetThreadItems()
|
|
{
|
|
if (threadItems != null) return threadItems;
|
|
|
|
threadItems = [];
|
|
|
|
foreach (var group in ViewModel.MailCollection.MailItems)
|
|
{
|
|
foreach (var item in group)
|
|
{
|
|
if (item is ThreadMailItemViewModel thread)
|
|
{
|
|
threadItems.Add(thread);
|
|
}
|
|
}
|
|
}
|
|
|
|
return threadItems;
|
|
}
|
|
|
|
ThreadMailItemViewModel? FindParentThread(MailItemViewModel mail)
|
|
{
|
|
if (string.IsNullOrEmpty(mail.ThreadId))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
threadById ??= GetThreadItems()
|
|
.Where(t => !string.IsNullOrEmpty(t.ThreadId))
|
|
.GroupBy(t => t.ThreadId, StringComparer.Ordinal)
|
|
.ToDictionary(g => g.Key, g => g.First(), StringComparer.Ordinal);
|
|
|
|
return threadById.TryGetValue(mail.ThreadId, out var threadItem) ? threadItem : null;
|
|
}
|
|
|
|
void CollapseAllThreadsExcept(ThreadMailItemViewModel? except)
|
|
{
|
|
foreach (var thread in GetThreadItems())
|
|
{
|
|
if (!ReferenceEquals(thread, except) && thread.IsThreadExpanded)
|
|
{
|
|
thread.IsThreadExpanded = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void SyncThreadSelectionFromChildren(ThreadMailItemViewModel? thread)
|
|
{
|
|
if (thread == null) return;
|
|
|
|
bool hasSelectedChildren = false;
|
|
foreach (var child in thread.ThreadEmails)
|
|
{
|
|
if (child.IsSelected)
|
|
{
|
|
hasSelectedChildren = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
thread.IsSelected = hasSelectedChildren;
|
|
|
|
// Keep thread open while it has selected children.
|
|
if (hasSelectedChildren && !thread.IsThreadExpanded)
|
|
{
|
|
thread.IsThreadExpanded = true;
|
|
}
|
|
}
|
|
|
|
if (isCtrlPressed)
|
|
{
|
|
switch (clickedItem)
|
|
{
|
|
case ThreadMailItemViewModel thread:
|
|
{
|
|
// Determine if thread + all children currently selected
|
|
bool allSelected = thread.IsSelected && thread.ThreadEmails.All(e => e.IsSelected);
|
|
if (allSelected)
|
|
{
|
|
// Unselect thread & all children
|
|
thread.IsSelected = false;
|
|
foreach (var child in thread.ThreadEmails)
|
|
child.IsSelected = false;
|
|
}
|
|
else
|
|
{
|
|
// Select thread & all children (do NOT disturb other selections in CTRL mode)
|
|
thread.IsSelected = true;
|
|
foreach (var child in thread.ThreadEmails)
|
|
child.IsSelected = true;
|
|
// Keep it expanded so user can see items
|
|
thread.IsThreadExpanded = true;
|
|
}
|
|
break;
|
|
}
|
|
case MailItemViewModel mail:
|
|
{
|
|
// Toggle just this item; no collapse/unselect of others in multi-select mode.
|
|
mail.IsSelected = !mail.IsSelected;
|
|
SyncThreadSelectionFromChildren(FindParentThread(mail));
|
|
break;
|
|
}
|
|
}
|
|
return; // Multi-select path ends here.
|
|
}
|
|
|
|
// SINGLE-SELECTION (exclusive) MODE WITH TOGGLE SUPPORT
|
|
if (clickedItem is ThreadMailItemViewModel clickedThread)
|
|
{
|
|
bool wasThreadSelected = clickedThread.IsSelected;
|
|
bool wasThreadExpanded = clickedThread.IsThreadExpanded;
|
|
|
|
// Check if any child in this thread is already selected (e.g., from notification click)
|
|
var alreadySelectedChild = clickedThread.ThreadEmails.FirstOrDefault(e => e.IsSelected);
|
|
|
|
// Reset everything first (exclusive selection scenario)
|
|
await ViewModel.MailCollection.UnselectAllAsync();
|
|
CollapseAllThreadsExcept(clickedThread);
|
|
|
|
if (wasThreadSelected && wasThreadExpanded)
|
|
{
|
|
// Toggle off -> leave nothing selected (all unselected, thread collapsed)
|
|
clickedThread.IsThreadExpanded = false;
|
|
return;
|
|
}
|
|
|
|
// Select thread header
|
|
clickedThread.IsSelected = true;
|
|
|
|
// If a child was already selected (e.g., from notification), keep that selection
|
|
// Otherwise, select the first child
|
|
if (alreadySelectedChild != null)
|
|
{
|
|
alreadySelectedChild.IsSelected = true;
|
|
}
|
|
else
|
|
{
|
|
var firstChild = clickedThread.ThreadEmails.FirstOrDefault();
|
|
if (firstChild != null)
|
|
{
|
|
firstChild.IsSelected = true;
|
|
}
|
|
}
|
|
|
|
clickedThread.IsThreadExpanded = true; // Show contents of active thread
|
|
}
|
|
else if (clickedItem is MailItemViewModel clickedMail)
|
|
{
|
|
bool wasSelected = clickedMail.IsSelected;
|
|
|
|
// Determine if this mail belongs to an already selected & expanded thread.
|
|
// If so, we only want to switch the selection inside that thread without collapsing or unselecting the thread header.
|
|
ThreadMailItemViewModel? parentThread = FindParentThread(clickedMail);
|
|
|
|
bool isInSelectedExpandedThread = parentThread != null && parentThread.IsSelected && parentThread.IsThreadExpanded;
|
|
|
|
if (isInSelectedExpandedThread)
|
|
{
|
|
// Switch selection within the thread: unselect previously selected children, select the clicked one.
|
|
if (parentThread?.ThreadEmails != null)
|
|
{
|
|
foreach (var child in parentThread.ThreadEmails)
|
|
{
|
|
child.IsSelected = child == clickedMail && !wasSelected; // If clicking an already selected child -> toggle off (none selected in thread except header)
|
|
}
|
|
}
|
|
|
|
SyncThreadSelectionFromChildren(parentThread);
|
|
return; // Done.
|
|
}
|
|
|
|
// Normal single-item (non-thread or entering a thread via child) behavior.
|
|
await ViewModel.MailCollection.UnselectAllAsync();
|
|
|
|
// If parent thread is already expanded, keep it as-is to avoid collapse/expand animation.
|
|
if (parentThread != null && parentThread.IsThreadExpanded)
|
|
{
|
|
CollapseAllThreadsExcept(parentThread);
|
|
}
|
|
else
|
|
{
|
|
CollapseAllThreadsExcept(null);
|
|
}
|
|
|
|
if (parentThread != null && selectExpandThread)
|
|
{
|
|
// We're clicking an item inside a thread; select & expand the thread header as well.
|
|
parentThread.IsSelected = true;
|
|
parentThread.IsThreadExpanded = true;
|
|
}
|
|
|
|
if (!wasSelected)
|
|
{
|
|
clickedMail.IsSelected = true; // Toggle on
|
|
}
|
|
|
|
SyncThreadSelectionFromChildren(parentThread);
|
|
}
|
|
}
|
|
|
|
private async void WinoListViewItemClicked(object sender, ItemClickEventArgs e)
|
|
{
|
|
if (sender is not WinoListView listView) return;
|
|
|
|
await WinoClickItemInternalAsync(e.ClickedItem);
|
|
}
|
|
|
|
private void SearchbarQuerySubmitted(AutoSuggestBox sender, AutoSuggestBoxQuerySubmittedEventArgs args)
|
|
{
|
|
if (ViewModel.PerformSearchCommand.CanExecute(null))
|
|
ViewModel.PerformSearchCommand.Execute(null);
|
|
}
|
|
}
|