New WinoListView implementation with multiple selections.

2025-10-26 14:53:22 +01:00
parent d4c8ae6cb7
commit 79d5b6ed40
22 changed files with 748 additions and 480 deletions
@@ -0,0 +1,49 @@
+using Microsoft.UI.Xaml;
+using Wino.Mail.ViewModels.Data;
+
+namespace Wino.Mail.WinUI.Controls.ListView;
+
+public partial class WinoListView : Microsoft.UI.Xaml.Controls.ListView
+{
+    public bool IsAllSelected => Items.Count == SelectedItems.Count;
+
+    protected override DependencyObject GetContainerForItemOverride() => new WinoListViewItem();
+
+    public bool SelectMailItemContainer(MailItemViewModel mailItemViewModel)
+    {
+        WinoListViewItem? itemContainer = null;
+
+        foreach (var item in Items)
+        {
+            if (item is MailItemViewModel mailItem && mailItem.Id == mailItemViewModel.Id)
+            {
+                itemContainer = ContainerFromItem(mailItemViewModel) as WinoListViewItem;
+
+                break;
+            }
+            else if (item is ThreadMailItemViewModel threadMailItemViewModel && threadMailItemViewModel.HasUniqueId(mailItemViewModel.MailCopy.UniqueId))
+            {
+                itemContainer = ContainerFromItem(threadMailItemViewModel) as WinoListViewItem;
+
+                // Try to get the inner WinoListView.
+                if (itemContainer != null)
+                {
+                    itemContainer.IsExpanded = true;
+
+                    var innerListViewControl = itemContainer.GetWinoListViewControl();
+
+                    if (innerListViewControl != null)
+                    {
+                        itemContainer = innerListViewControl.ContainerFromItem(mailItemViewModel) as WinoListViewItem;
+                    }
+                }
+
+                break;
+            }
+        }
+
+        itemContainer?.IsSelected = true;
+
+        return itemContainer != null;
+    }
+}