chuan/Ursa.Avalonia
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wip: simplify container preparation.

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This commit is contained in:
rabbitism
2024-02-12 21:42:05 +08:00
parent dc3c61dab5
commit c6f440bd56
4 changed files with 85 additions and 62 deletions
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50
src/Ursa/Controls/NavMenu/NavMenu.cs
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@@ -2,6 +2,7 @@
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Templates;
using Avalonia.Data;
using Avalonia.LogicalTree;
using Avalonia.Metadata;
@@ -63,6 +64,24 @@ public class NavMenu: ItemsControl
set => SetValue(CommandBindingProperty, value);
}
public static readonly StyledProperty<IDataTemplate?> HeaderTemplateProperty = AvaloniaProperty.Register<NavMenu, IDataTemplate?>(
nameof(HeaderTemplate));
public IDataTemplate? HeaderTemplate
{
get => GetValue(HeaderTemplateProperty);
set => SetValue(HeaderTemplateProperty, value);
}
public static readonly StyledProperty<IDataTemplate?> IconTemplateProperty = AvaloniaProperty.Register<NavMenu, IDataTemplate?>(
nameof(IconTemplate));
public IDataTemplate? IconTemplate
{
get => GetValue(IconTemplateProperty);
set => SetValue(IconTemplateProperty, value);
}
static NavMenu()
{
SelectedItemProperty.Changed.AddClassHandler<NavMenu, object?>((o, e) => o.OnSelectedItemChange(e));
@@ -83,30 +102,6 @@ public class NavMenu: ItemsControl
return new NavMenuItem();
}
protected override void PrepareContainerForItemOverride(Control container, object? item, int index)
{
base.PrepareContainerForItemOverride(container, item, index);
if (container is NavMenuItem navMenuItem)
{
if (IconBinding is not null)
{
navMenuItem[!NavMenuItem.IconProperty] = IconBinding;
}
if (HeaderBinding is not null)
{
navMenuItem[!HeaderedItemsControl.HeaderProperty] = HeaderBinding;
}
if (SubMenuBinding is not null)
{
navMenuItem[!ItemsSourceProperty] = SubMenuBinding;
}
if (CommandBinding is not null)
{
navMenuItem[!NavMenuItem.CommandProperty] = CommandBinding;
}
}
}
internal void SelectItem(NavMenuItem item, NavMenuItem parent)
{
// if (item.IsSelected) return;
@@ -116,12 +111,9 @@ public class NavMenu: ItemsControl
{
continue;
}
else
if (child is NavMenuItem navMenuItem)
{
if (child is NavMenuItem navMenuItem)
{
navMenuItem.ClearSelection();
}
navMenuItem.ClearSelection();
}
}
if (item.DataContext is not null && item.DataContext != this.DataContext)