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Selecting first mail when thread is expanded.

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This commit is contained in:
Burak Kaan Köse
2024-08-31 15:08:43 +02:00
parent 8fb4735fc2
commit ee6249bb17
2 changed files with 43 additions and 4 deletions
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44
Wino.Mail/Controls/Advanced/WinoListView.cs
View File

@@ -1,5 +1,6 @@
using System;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Input;
using CommunityToolkit.Mvvm.Messaging;
using MoreLinq;
@@ -47,6 +48,13 @@ namespace Wino.Controls.Advanced
set { SetValue(LoadMoreCommandProperty, value); }
}
public bool IsThreadScrollingEnabled
{
get { return (bool)GetValue(IsThreadScrollingEnabledProperty); }
set { SetValue(IsThreadScrollingEnabledProperty, value); }
}
public static readonly DependencyProperty IsThreadScrollingEnabledProperty = DependencyProperty.Register(nameof(IsThreadScrollingEnabled), typeof(bool), typeof(WinoListView), new PropertyMetadata(false));
public static readonly DependencyProperty LoadMoreCommandProperty = DependencyProperty.Register(nameof(LoadMoreCommand), typeof(ICommand), typeof(WinoListView), new PropertyMetadata(null));
public static readonly DependencyProperty IsThreadListViewProperty = DependencyProperty.Register(nameof(IsThreadListView), typeof(bool), typeof(WinoListView), new PropertyMetadata(false, new PropertyChangedCallback(OnIsThreadViewChanged)));
public static readonly DependencyProperty ItemDeletedCommandProperty = DependencyProperty.Register(nameof(ItemDeletedCommand), typeof(ICommand), typeof(WinoListView), new PropertyMetadata(null));
@@ -316,10 +324,19 @@ namespace Wino.Controls.Advanced
}
else if (addedItem is ThreadMailItemViewModel threadMailItemViewModel)
{
// threadMailItemViewModel.IsThreadExpanded = true;
if (IsThreadScrollingEnabled)
{
if (internalScrollviewer != null && ContainerFromItem(threadMailItemViewModel) is FrameworkElement threadFrameworkElement)
{
internalScrollviewer.ScrollToElement(threadFrameworkElement, true, true, bringToTopOrLeft: true);
}
}
// Don't select thread containers.
// SelectedItems.Remove(addedItem);
// Try to select first item.
if (GetThreadInternalListView(threadMailItemViewModel) is WinoListView internalListView)
{
internalListView.SelectFirstItem();
}
}
}
}
@@ -355,6 +372,27 @@ namespace Wino.Controls.Advanced
}
}
public async void SelectFirstItem()
{
if (Items.Count > 0)
{
if (Items[0] is MailItemViewModel firstMailItemViewModel)
{
// Make sure the invisible container is realized.
await Task.Delay(250);
if (ContainerFromItem(firstMailItemViewModel) is ListViewItem firstItemContainer)
{
firstItemContainer.IsSelected = true;
}
firstMailItemViewModel.IsSelected = true;
// WeakReferenceMessenger.Default.Send(new MailItemSelectedEvent(firstMailItemViewModel));
}
}
}
private WinoListView GetThreadInternalListView(ThreadMailItemViewModel threadMailItemViewModel)
{
var itemContainer = ContainerFromItem(threadMailItemViewModel);

3
Wino.Mail/Extensions/UtilExtensions.cs
View File

@@ -93,7 +93,8 @@ namespace Wino.Extensions
if (isVerticalScrolling)
{
scrollViewer.ChangeView(null, position.Y, zoomFactor, !smoothScrolling);
// Accomodate for additional header.
scrollViewer.ChangeView(null, Math.Max(0, position.Y - 48), zoomFactor, !smoothScrolling);
}
else
{