open-maui/OpenMaui
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Code Issues Releases 1

Picker conmpleted

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This commit is contained in:
David H. Friedel Jr.
2026-01-16 05:10:40 +00:00
parent 0094cdef45
commit 20fcbd78e3
2 changed files with 241 additions and 116 deletions
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40
Handlers/PickerHandler.cs
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@@ -5,13 +5,13 @@ using Microsoft.Maui.Handlers;
using Microsoft.Maui.Graphics;
using Microsoft.Maui.Controls;
using Microsoft.Maui.Platform;
using SkiaSharp;
using System.Collections.Specialized;
namespace Microsoft.Maui.Platform.Linux.Handlers;
/// <summary>
/// Handler for Picker on Linux using Skia rendering.
/// Maps IPicker interface to SkiaPicker platform view.
/// </summary>
public partial class PickerHandler : ViewHandler<IPicker, SkiaPicker>
{
@@ -27,6 +27,7 @@ public partial class PickerHandler : ViewHandler<IPicker, SkiaPicker>
[nameof(IPicker.HorizontalTextAlignment)] = MapHorizontalTextAlignment,
[nameof(IPicker.VerticalTextAlignment)] = MapVerticalTextAlignment,
[nameof(IView.Background)] = MapBackground,
[nameof(IView.IsEnabled)] = MapIsEnabled,
[nameof(Picker.ItemsSource)] = MapItemsSource,
};
@@ -63,8 +64,17 @@ public partial class PickerHandler : ViewHandler<IPicker, SkiaPicker>
_itemsCollection.CollectionChanged += OnItemsCollectionChanged;
}
// Load items
// Load items and sync properties
ReloadItems();
if (VirtualView != null)
{
MapTitle(this, VirtualView);
MapTitleColor(this, VirtualView);
MapTextColor(this, VirtualView);
MapSelectedIndex(this, VirtualView);
MapIsEnabled(this, VirtualView);
}
}
protected override void DisconnectHandler(SkiaPicker platformView)
@@ -85,11 +95,14 @@ public partial class PickerHandler : ViewHandler<IPicker, SkiaPicker>
ReloadItems();
}
private void OnSelectedIndexChanged(object? sender, EventArgs e)
private void OnSelectedIndexChanged(object? sender, SelectedIndexChangedEventArgs e)
{
if (VirtualView is null || PlatformView is null) return;
VirtualView.SelectedIndex = PlatformView.SelectedIndex;
if (VirtualView.SelectedIndex != e.NewIndex)
{
VirtualView.SelectedIndex = e.NewIndex;
}
}
private void ReloadItems()
@@ -111,14 +124,18 @@ public partial class PickerHandler : ViewHandler<IPicker, SkiaPicker>
if (handler.PlatformView is null) return;
if (picker.TitleColor is not null)
{
handler.PlatformView.TitleColor = picker.TitleColor.ToSKColor();
handler.PlatformView.TitleColor = picker.TitleColor;
}
}
public static void MapSelectedIndex(PickerHandler handler, IPicker picker)
{
if (handler.PlatformView is null) return;
handler.PlatformView.SelectedIndex = picker.SelectedIndex;
if (handler.PlatformView.SelectedIndex != picker.SelectedIndex)
{
handler.PlatformView.SelectedIndex = picker.SelectedIndex;
}
}
public static void MapTextColor(PickerHandler handler, IPicker picker)
@@ -126,7 +143,7 @@ public partial class PickerHandler : ViewHandler<IPicker, SkiaPicker>
if (handler.PlatformView is null) return;
if (picker.TextColor is not null)
{
handler.PlatformView.TextColor = picker.TextColor.ToSKColor();
handler.PlatformView.TextColor = picker.TextColor;
}
}
@@ -141,7 +158,7 @@ public partial class PickerHandler : ViewHandler<IPicker, SkiaPicker>
}
if (font.Size > 0)
{
handler.PlatformView.FontSize = (float)font.Size;
handler.PlatformView.FontSize = font.Size;
}
handler.PlatformView.Invalidate();
}
@@ -171,6 +188,13 @@ public partial class PickerHandler : ViewHandler<IPicker, SkiaPicker>
}
}
public static void MapIsEnabled(PickerHandler handler, IPicker picker)
{
if (handler.PlatformView is null) return;
handler.PlatformView.IsEnabled = picker.IsEnabled;
handler.PlatformView.Invalidate();
}
public static void MapItemsSource(PickerHandler handler, IPicker picker)
{
handler.ReloadItems();