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This commit is contained in:
David H. Friedel Jr.
2026-01-17 01:17:36 +00:00
parent 7a1241cbf2
commit d8bdf5472f
2 changed files with 199 additions and 4 deletions
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111
Handlers/TabbedPageHandler.cs
View File

@@ -1,8 +1,10 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using Microsoft.Maui.Controls;
using Microsoft.Maui.Handlers;
using Microsoft.Maui.Graphics;
using Microsoft.Maui.Platform.Linux.Hosting;
using SkiaSharp;
namespace Microsoft.Maui.Platform.Linux.Handlers;
@@ -13,8 +15,14 @@ namespace Microsoft.Maui.Platform.Linux.Handlers;
/// </summary>
public partial class TabbedPageHandler : ViewHandler<ITabbedView, SkiaTabbedPage>
{
private bool _isUpdatingSelection;
public static IPropertyMapper<ITabbedView, TabbedPageHandler> Mapper = new PropertyMapper<ITabbedView, TabbedPageHandler>(ViewHandler.ViewMapper)
{
[nameof(TabbedPage.BarBackgroundColor)] = MapBarBackgroundColor,
[nameof(TabbedPage.BarTextColor)] = MapBarTextColor,
[nameof(TabbedPage.SelectedTabColor)] = MapSelectedTabColor,
[nameof(TabbedPage.UnselectedTabColor)] = MapUnselectedTabColor,
};
public static CommandMapper<ITabbedView, TabbedPageHandler> CommandMapper = new(ViewHandler.ViewCommandMapper)
@@ -39,6 +47,9 @@ public partial class TabbedPageHandler : ViewHandler<ITabbedView, SkiaTabbedPage
{
base.ConnectHandler(platformView);
platformView.SelectedIndexChanged += OnSelectedIndexChanged;
// Sync initial tabs
SyncTabs();
}
protected override void DisconnectHandler(SkiaTabbedPage platformView)
@@ -50,6 +61,104 @@ public partial class TabbedPageHandler : ViewHandler<ITabbedView, SkiaTabbedPage
private void OnSelectedIndexChanged(object? sender, EventArgs e)
{
// Notify the virtual view of selection change
if (VirtualView is null || PlatformView is null || _isUpdatingSelection) return;
try
{
_isUpdatingSelection = true;
// Sync selected page back to virtual view
if (VirtualView is TabbedPage tabbedPage && PlatformView.SelectedIndex >= 0)
{
var selectedIndex = PlatformView.SelectedIndex;
if (selectedIndex < tabbedPage.Children.Count)
{
tabbedPage.CurrentPage = tabbedPage.Children[selectedIndex] as Page;
}
}
}
finally
{
_isUpdatingSelection = false;
}
}
private void SyncTabs()
{
if (PlatformView is null || VirtualView is null || MauiContext is null) return;
PlatformView.ClearTabs();
if (VirtualView is TabbedPage tabbedPage)
{
foreach (var child in tabbedPage.Children)
{
if (child is Page page)
{
// Create handler for page content
if (page.Handler == null)
{
page.Handler = page.ToViewHandler(MauiContext);
}
if (page.Handler?.PlatformView is SkiaView skiaContent)
{
PlatformView.AddTab(page.Title ?? "Tab", skiaContent, page.IconImageSource?.ToString());
}
}
}
// Sync selected tab
if (tabbedPage.CurrentPage != null)
{
var index = tabbedPage.Children.IndexOf(tabbedPage.CurrentPage);
if (index >= 0)
{
PlatformView.SelectedIndex = index;
}
}
}
}
public static void MapBarBackgroundColor(TabbedPageHandler handler, ITabbedView tabbedView)
{
if (handler.PlatformView is null) return;
if (tabbedView is TabbedPage tabbedPage && tabbedPage.BarBackgroundColor is Color color)
{
handler.PlatformView.TabBarBackgroundColor = color.ToSKColor();
}
}
public static void MapBarTextColor(TabbedPageHandler handler, ITabbedView tabbedView)
{
if (handler.PlatformView is null) return;
if (tabbedView is TabbedPage tabbedPage && tabbedPage.BarTextColor is Color color)
{
// BarTextColor applies to unselected tabs
handler.PlatformView.UnselectedTabColor = color.ToSKColor();
}
}
public static void MapSelectedTabColor(TabbedPageHandler handler, ITabbedView tabbedView)
{
if (handler.PlatformView is null) return;
if (tabbedView is TabbedPage tabbedPage && tabbedPage.SelectedTabColor is Color color)
{
handler.PlatformView.SelectedTabColor = color.ToSKColor();
handler.PlatformView.IndicatorColor = color.ToSKColor();
}
}
public static void MapUnselectedTabColor(TabbedPageHandler handler, ITabbedView tabbedView)
{
if (handler.PlatformView is null) return;
if (tabbedView is TabbedPage tabbedPage && tabbedPage.UnselectedTabColor is Color color)
{
handler.PlatformView.UnselectedTabColor = color.ToSKColor();
}
}
}