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Some items view improvements for keyboards accelerators.

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This commit is contained in:
Burak Kaan Köse
2025-10-22 03:45:38 +02:00
parent 449c1d3f4d
commit ff1c3dece3
4 changed files with 142 additions and 87 deletions
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Wino.Mail.ViewModels/Collections/GroupedEmailCollection.cs
+89 -24
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@@ -58,6 +58,7 @@ public partial class GroupedEmailCollection : ObservableObject, IRecipient<Prope
[NotifyPropertyChangedFor(nameof(HasSelectedItems))]
[NotifyPropertyChangedFor(nameof(HasSingleItemSelected))]
[NotifyPropertyChangedFor(nameof(HasMultipleItemsSelected))]
[NotifyPropertyChangedFor(nameof(IsAllItemsSelected))]
public partial int SelectedVisibleCount { get; set; }
/// <summary>
@@ -75,6 +76,41 @@ public partial class GroupedEmailCollection : ObservableObject, IRecipient<Prope
/// </summary>
public bool HasMultipleItemsSelected => SelectedVisibleCount > 1;
/// <summary>
/// Indicates whether all mail items are currently selected.
/// Counts all mail items including those in threads, regardless of thread expansion state.
/// </summary>
public bool IsAllItemsSelected
{
get
{
var totalMailItems = _sourceItems.Count;
if (totalMailItems == 0) return false;
var selectedCount = 0;
// Count selected standalone emails (not in threads)
selectedCount += _sourceItems.Count(e => e.IsSelected && !e.IsDisplayedInThread);
// Count selected emails in threads
foreach (var expander in _threadExpanders.Values)
{
if (expander.IsSelected)
{
// If thread is selected, all emails in the thread are considered selected
selectedCount += expander.ThreadEmails.Count;
}
else
{
// If thread is not selected, count only individually selected emails within the thread
selectedCount += expander.ThreadEmails.Count(e => e.IsSelected);
}
}
return selectedCount == totalMailItems;
}
}
public GroupedEmailCollection()
{
// Create a flat collection for ItemsView with headers, expanders and emails mixed
@@ -211,6 +247,10 @@ public partial class GroupedEmailCollection : ObservableObject, IRecipient<Prope
{
HandleMailItemSelectionChanged(mailItem, message.NewValue);
}
else if (message.PropertyName == nameof(ThreadMailItemViewModel.IsSelected) && message.Sender is ThreadMailItemViewModel threadExpander)
{
HandleThreadSelectionChanged(threadExpander, message.NewValue);
}
}
private void HandleMailItemSelectionChanged(MailItemViewModel mailItem, bool isSelected)
@@ -247,6 +287,14 @@ public partial class GroupedEmailCollection : ObservableObject, IRecipient<Prope
}
}
private void HandleThreadSelectionChanged(ThreadMailItemViewModel threadExpander, bool isSelected)
{
// When a thread expander's selection changes, it affects the selection state of all emails in that thread
// We need to notify that the "all items selected" state might have changed
OnPropertyChanged(nameof(IsAllItemsSelected));
SelectionChanged?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// Registers a mail item to track its selection state when added to the visible UI
/// </summary>
@@ -337,6 +385,9 @@ public partial class GroupedEmailCollection : ObservableObject, IRecipient<Prope
}
}
}
// Notify that the "all items selected" state might have changed due to visible item count change
OnPropertyChanged(nameof(IsAllItemsSelected));
}
finally
{
@@ -606,6 +657,7 @@ public partial class GroupedEmailCollection : ObservableObject, IRecipient<Prope
OnPropertyChanged(nameof(TotalCount));
OnPropertyChanged(nameof(TotalUnreadCount));
OnPropertyChanged(nameof(SelectedVisibleItems));
OnPropertyChanged(nameof(IsAllItemsSelected));
if (hadSelectedItems)
{
@@ -744,6 +796,9 @@ public partial class GroupedEmailCollection : ObservableObject, IRecipient<Prope
// Update group header counts
UpdateAllGroupHeaderCounts();
// Notify that the "all items selected" state might have changed due to visible items rebuild
OnPropertyChanged(nameof(IsAllItemsSelected));
if (hadSelectedItems)
{
SelectionChanged?.Invoke(this, EventArgs.Empty);
@@ -1073,29 +1128,31 @@ public partial class GroupedEmailCollection : ObservableObject, IRecipient<Prope
}
/// <summary>
/// Selects all visible mail items in the collection.
/// Only operates on MailItemViewModel instances, skipping group headers and thread expanders.
/// Selects all mail items in the collection.
/// Includes standalone mail items and all mail items inside threads, regardless of thread expansion state.
/// </summary>
/// <returns>The number of items that were selected.</returns>
public int SelectAll()
{
var selectedCount = 0;
var initialSelectedCount = SelectedItems.Count();
foreach (var item in Items)
// Select all standalone emails (not in threads)
foreach (var mailItem in _sourceItems.Where(e => !e.IsDisplayedInThread))
{
// Only select MailItemViewModel instances (skip GroupHeaderBase and ThreadMailItemViewModel)
if (item is MailItemViewModel mailItem)
{
if (!mailItem.IsSelected)
{
mailItem.IsSelected = true;
selectedCount++;
}
}
mailItem.IsSelected = true;
}
// Select all thread expanders (which automatically selects all emails within them)
foreach (var expander in _threadExpanders.Values)
{
expander.IsSelected = true;
}
SelectedVisibleCount = _selectedVisibleItems.Count;
var finalSelectedCount = SelectedItems.Count();
var selectedCount = finalSelectedCount - initialSelectedCount;
if (selectedCount > 0)
{
SelectionChanged?.Invoke(this, EventArgs.Empty);
@@ -1105,29 +1162,37 @@ public partial class GroupedEmailCollection : ObservableObject, IRecipient<Prope
}
/// <summary>
/// Clears the selection of all visible mail items in the collection.
/// Only operates on MailItemViewModel instances, skipping group headers and thread expanders.
/// Clears the selection of all mail items in the collection.
/// Includes standalone mail items and all mail items inside threads, regardless of thread expansion state.
/// </summary>
/// <returns>The number of items that were deselected.</returns>
public int ClearSelections()
{
var deselectedCount = 0;
var initialSelectedCount = SelectedItems.Count();
foreach (var item in Items)
// Deselect all standalone emails (not in threads)
foreach (var mailItem in _sourceItems.Where(e => !e.IsDisplayedInThread))
{
// Only deselect MailItemViewModel instances (skip GroupHeaderBase and ThreadMailItemViewModel)
if (item is MailItemViewModel mailItem)
mailItem.IsSelected = false;
}
// Deselect all thread expanders and individual emails in threads
foreach (var expander in _threadExpanders.Values)
{
expander.IsSelected = false;
// Also explicitly deselect individual emails within threads
foreach (var threadEmail in expander.ThreadEmails)
{
if (mailItem.IsSelected)
{
mailItem.IsSelected = false;
deselectedCount++;
}
threadEmail.IsSelected = false;
}
}
SelectedVisibleCount = _selectedVisibleItems.Count;
var finalSelectedCount = SelectedItems.Count();
var deselectedCount = initialSelectedCount - finalSelectedCount;
if (deselectedCount > 0)
{
SelectionChanged?.Invoke(this, EventArgs.Empty);