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Fixed the caching issue that causes mails to be not removed. Improved drag/drop.

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This commit is contained in:
Burak Kaan Köse
2026-02-11 11:34:50 +01:00
parent 52ee5f1d8a
commit 37199d84cb
8 changed files with 347 additions and 169 deletions
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Wino.Mail.WinUI/Views/Mail/MailListPage.xaml.cs
+90 -44
View File
@@ -63,6 +63,7 @@ public sealed partial class MailListPage : MailListPageAbstract,
Bindings.Update();
ViewModel.MailCollection.ItemSelectionChanged += WinoMailCollectionSelectionChanged;
MailListView.MailDragStateChanged += MailListViewMailDragStateChanged;
UpdateSelectAllButtonStatus();
UpdateAdaptiveness();
@@ -82,8 +83,10 @@ public sealed partial class MailListPage : MailListPageAbstract,
this.Bindings.StopTracking();
ViewModel.MailCollection.ItemSelectionChanged -= WinoMailCollectionSelectionChanged;
MailListView.MailDragStateChanged -= MailListViewMailDragStateChanged;
SelectAllCheckbox.Checked -= SelectAllCheckboxChecked;
SelectAllCheckbox.Unchecked -= SelectAllCheckboxUnchecked;
ViewModel.SetDragState(false);
MailListView.Cleanup();
@@ -430,29 +433,51 @@ public sealed partial class MailListPage : MailListPageAbstract,
/// </summary>
private void ThreadHeaderDragStart(UIElement sender, DragStartingEventArgs args)
{
//if (sender is MailItemDisplayInformationControl control
// && control.ConnectedExpander?.Content is WinoListView contentListView)
//{
// var allItems = contentListView.Items.Where(a => a is MailCopy);
if (sender is MailItemDisplayInformationControl control && control.ActionItem is ThreadMailItemViewModel threadItem)
{
args.AllowedOperations = Windows.ApplicationModel.DataTransfer.DataPackageOperation.Move;
// // Highlight all items.
// allItems.Cast<MailItemViewModel>().ForEach(a => a.IsCustomFocused = true);
// Dragging a thread header should move all mails in that thread.
var draggedThreadItems = threadItem.ThreadEmails.Cast<IMailListItem>().ToList();
var dragCount = draggedThreadItems.Count;
var draggingText = string.Format(Translator.MailsDragging, dragCount);
// // Set native drag arg properties.
// args.AllowedOperations = Windows.ApplicationModel.DataTransfer.DataPackageOperation.Move;
ViewModel.SetDragState(true, dragCount);
// var dragPackage = new MailDragPackage(allItems.Cast<MailCopy>());
var dragPackage = new MailDragPackage(draggedThreadItems);
// args.Data.Properties.Add(nameof(MailDragPackage), dragPackage);
// args.DragUI.SetContentFromDataPackage();
// control.ConnectedExpander.IsExpanded = true;
//}
args.Data.Properties.Add(nameof(MailDragPackage), dragPackage);
args.Data.SetText(draggingText);
args.Data.Properties.Title = draggingText;
args.DragUI.SetContentFromDataPackage();
}
}
private void ThreadHeaderDragFinished(UIElement sender, DropCompletedEventArgs args)
{
ViewModel.SetDragState(false);
}
private void MailListViewMailDragStateChanged(object? sender, MailDragStateChangedEventArgs e)
{
ViewModel.SetDragState(e.IsDragging, e.DraggedItemCount);
}
private async void ThreadHeaderTapped(object sender, TappedRoutedEventArgs e)
{
if (sender is not MailItemDisplayInformationControl control) return;
// Hover action button clicks bubble a tap as well; skip selecting in that case.
if (control.IsRunningHoverAction)
{
control.IsRunningHoverAction = false;
return;
}
if (control.ActionItem is ThreadMailItemViewModel threadItem)
{
await WinoClickItemInternalAsync(threadItem);
}
}
private async void LeftSwipeItemInvoked(Microsoft.UI.Xaml.Controls.SwipeItem sender, Microsoft.UI.Xaml.Controls.SwipeItemInvokedEventArgs args)
@@ -636,44 +661,74 @@ public sealed partial class MailListPage : MailListPageAbstract,
// Treat toolbar multi-select mode the same as holding CTRL for click selection behavior.
bool isCtrlPressed = KeyPressService.IsCtrlKeyPressed() || ViewModel.IsMultiSelectionModeEnabled;
// Helper local to collapse all other threads (we always collapse ALL then possibly re-expand the active thread per rules)
async Task CollapseAllThreadsExceptAsync(ThreadMailItemViewModel? except)
{
bool wasExpanded = except != null && except.IsThreadExpanded;
// Lazily built caches for this invocation.
List<ThreadMailItemViewModel>? threadItems = null;
Dictionary<string, ThreadMailItemViewModel>? threadById = null;
await ViewModel.MailCollection.CollapseAllThreadsAsync();
if (except != null && wasExpanded)
{
// We'll expand explicitly when required by logic below.
except.IsThreadExpanded = true;
}
}
ThreadMailItemViewModel? FindParentThread(MailItemViewModel mail)
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 && thread.ThreadEmails.Contains(mail))
if (item is ThreadMailItemViewModel thread)
{
return thread;
threadItems.Add(thread);
}
}
}
return null;
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 = thread.ThreadEmails.Any(child => child.IsSelected);
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)
if (hasSelectedChildren && !thread.IsThreadExpanded)
{
thread.IsThreadExpanded = true;
}
@@ -727,7 +782,7 @@ public sealed partial class MailListPage : MailListPageAbstract,
// Reset everything first (exclusive selection scenario)
await ViewModel.MailCollection.UnselectAllAsync();
await CollapseAllThreadsExceptAsync(clickedThread);
CollapseAllThreadsExcept(clickedThread);
if (wasThreadSelected && wasThreadExpanded)
{
@@ -787,20 +842,11 @@ public sealed partial class MailListPage : MailListPageAbstract,
// If parent thread is already expanded, keep it as-is to avoid collapse/expand animation.
if (parentThread != null && parentThread.IsThreadExpanded)
{
foreach (var group in ViewModel.MailCollection.MailItems)
{
foreach (var item in group)
{
if (item is ThreadMailItemViewModel thread && !ReferenceEquals(thread, parentThread))
{
thread.IsThreadExpanded = false;
}
}
}
CollapseAllThreadsExcept(parentThread);
}
else
{
await ViewModel.MailCollection.CollapseAllThreadsAsync();
CollapseAllThreadsExcept(null);
}
if (parentThread != null && selectExpandThread)