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New list view items.

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This commit is contained in:
Burak Kaan Köse
2025-10-27 22:52:26 +01:00
parent 4eea21c4f5
commit 4f85fa6ba9
12 changed files with 398 additions and 243 deletions
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Wino.Mail.WinUI/Controls/ListView/WinoThreadMailItemViewModelListViewItem.cs
+33 -81
View File
@@ -1,5 +1,5 @@
using System.ComponentModel;
using System.Linq;
using System.Linq;
using CommunityToolkit.WinUI;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Wino.Controls;
@@ -10,30 +10,29 @@ namespace Wino.Mail.WinUI.Controls.ListView;
public partial class WinoThreadMailItemViewModelListViewItem : ListViewItem
{
public bool IsThreadExpanded
[GeneratedDependencyProperty]
public partial bool IsThreadExpanded { get; set; }
[GeneratedDependencyProperty]
public partial ThreadMailItemViewModel? Item { get; set; }
protected override void OnContentChanged(object oldContent, object newContent)
{
get { return (bool)GetValue(IsThreadExpandedProperty); }
set { SetValue(IsThreadExpandedProperty, value); }
base.OnContentChanged(oldContent, newContent);
if (newContent is ThreadMailItemViewModel threadMailItemViewModel) Item = threadMailItemViewModel;
}
public static readonly DependencyProperty IsThreadExpandedProperty = DependencyProperty.Register(nameof(IsThreadExpanded), typeof(bool), typeof(WinoThreadMailItemViewModelListViewItem), new PropertyMetadata(false, new PropertyChangedCallback(OnIsThreadExpandedChanged)));
private readonly long _selectionChangeCallbackToken;
public WinoThreadMailItemViewModelListViewItem()
{
DefaultStyleKey = typeof(WinoThreadMailItemViewModelListViewItem);
_selectionChangeCallbackToken = RegisterPropertyChangedCallback(IsSelectedProperty, OnIsSelectedChanged);
}
public void Cleanup()
partial void OnIsThreadExpandedChanged(bool newValue)
{
if (Content is ThreadMailItemViewModel mailItem)
{
UnregisterSelectionCallback(mailItem);
UnregisterPropertyChangedCallback(IsSelectedProperty, _selectionChangeCallbackToken);
}
// 1. Reflect expansion changes to WinoExpander.
// 2. Automatically select first item on expansion, if none selected.
// 3. Unselect all items on collapse.
}
private static void OnIsThreadExpandedChanged(DependencyObject sender, DependencyPropertyChangedEventArgs dp)
@@ -42,79 +41,32 @@ public partial class WinoThreadMailItemViewModelListViewItem : ListViewItem
// 2. Automatically select first item on expansion, if none selected.
// 3. Unselect all items on collapse.
var control = sender as WinoThreadMailItemViewModelListViewItem;
//var control = sender as WinoThreadMailItemViewModelListViewItem;
var innerControl = control?.GetWinoListViewControl();
var expander = control?.GetExpander();
//var innerControl = control?.GetWinoListViewControl();
//var expander = control?.GetExpander();
if (innerControl == null || control == null || expander == null) return;
//if (innerControl == null || control == null || expander == null) return;
// 2
if (control.IsThreadExpanded && innerControl.SelectedItems.Count == 0 && innerControl.Items.Count > 0)
{
innerControl.SelectedItems.Clear();
//// 2
//if (control.IsThreadExpanded && innerControl.SelectedItems.Count == 0 && innerControl.Items.Count > 0)
//{
// innerControl.SelectedItems.Clear();
// Make item selected, container might not be realized yet, so set on the model.
// It'll appear selected when container is realized.
// // Make item selected, container might not be realized yet, so set on the model.
// // It'll appear selected when container is realized.
var firstItem = innerControl.Items.FirstOrDefault() as MailItemViewModel;
// var firstItem = innerControl.Items.FirstOrDefault() as MailItemViewModel;
firstItem?.IsSelected = true;
}
// firstItem?.IsSelected = true;
//}
// 1
expander.IsExpanded = control.IsThreadExpanded;
//// 1
//expander.IsExpanded = control.IsThreadExpanded;
// 3
if (!control.IsSelected) innerControl?.SelectedItems.Clear();
}
protected override void OnContentChanged(object oldContent, object newContent)
{
base.OnContentChanged(oldContent, newContent);
if (oldContent is ThreadMailItemViewModel oldMailItem)
{
UnregisterSelectionCallback(oldMailItem);
}
if (newContent is ThreadMailItemViewModel newMailItem)
{
IsSelected = newMailItem.IsSelected;
RegisterSelectionCallback(newMailItem);
}
}
private void OnIsSelectedChanged(DependencyObject sender, DependencyProperty dp)
{
IsThreadExpanded = IsSelected;
}
public void UnregisterSelectionCallback(ThreadMailItemViewModel mailItem)
{
mailItem.PropertyChanged -= MailPropChanged;
}
private void MailPropChanged(object? sender, PropertyChangedEventArgs e)
{
if (sender is not ThreadMailItemViewModel mailItem) return;
if (e.PropertyName == nameof(ThreadMailItemViewModel.IsThreadExpanded))
{
ApplySelectionForContainer(mailItem);
}
}
private void RegisterSelectionCallback(ThreadMailItemViewModel mailItem)
{
mailItem.PropertyChanged -= MailPropChanged;
mailItem.PropertyChanged += MailPropChanged;
}
private void ApplySelectionForContainer(ThreadMailItemViewModel mailItem)
{
if (IsThreadExpanded != mailItem.IsThreadExpanded) IsThreadExpanded = mailItem.IsThreadExpanded;
//// 3
//if (!control.IsSelected) innerControl?.SelectedItems.Clear();
}
public WinoListView? GetWinoListViewControl()