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feat: add page & modal transitions to NavigationPage.

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This commit is contained in:
Zhang Dian
2026-04-14 23:39:41 +08:00
parent 555ecf16d9
commit 0e9dbdd528
3 changed files with 107 additions and 11 deletions
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49
demo/Semi.Avalonia.Demo/Pages/NavigationPageDemo.axaml.cs
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@@ -1,3 +1,5 @@
using System;
using Avalonia.Animation;
using Avalonia.Controls;
using Avalonia.Interactivity;
@@ -6,6 +8,7 @@ namespace Semi.Avalonia.Demo.Pages;
public partial class NavigationPageDemo : UserControl
{
private int _pageCount;
private int _modalCount;
public NavigationPageDemo()
{
@@ -15,7 +18,7 @@ public partial class NavigationPageDemo : UserControl
private async void OnLoaded(object? sender, RoutedEventArgs e)
{
await DemoNav.PushAsync(NavigationDemoHelper.MakePage("Home", "Welcome!\nUse the buttons to push and pop pages.", 0), null);
await DemoNav.PushAsync(NavigationDemoHelper.MakePage("Home", "Welcome!\nUse the buttons to push and pop pages/modals.", 0), null);
UpdateStatus();
}
@@ -42,6 +45,27 @@ public partial class NavigationPageDemo : UserControl
UpdateStatus();
}
private async void OnPushModal(object? sender, RoutedEventArgs e)
{
_modalCount++;
var modal = NavigationDemoHelper.MakePage($"Modal {_modalCount}", "This page was presented modally.\nTap 'Pop Modal' to dismiss.", _modalCount);
await DemoNav.PushModalAsync(modal);
UpdateStatus();
}
private async void OnPopModal(object? sender, RoutedEventArgs e)
{
await DemoNav.PopModalAsync();
UpdateStatus();
}
private async void OnPopAllModals(object? sender, RoutedEventArgs e)
{
await DemoNav.PopAllModalsAsync();
_modalCount = 0;
UpdateStatus();
}
private void OnHasNavBarChanged(object? sender, RoutedEventArgs e)
{
if (DemoNav == null)
@@ -50,7 +74,7 @@ public partial class NavigationPageDemo : UserControl
NavigationPage.SetHasNavigationBar(DemoNav.CurrentPage, HasNavBarCheck.IsChecked == true);
}
private void OnHasBackButonChanged(object? sender, RoutedEventArgs e)
private void OnHasBackButtonChanged(object? sender, RoutedEventArgs e)
{
if (DemoNav == null)
return;
@@ -58,9 +82,30 @@ public partial class NavigationPageDemo : UserControl
NavigationPage.SetHasBackButton(DemoNav.CurrentPage, HasBackButtonCheck.IsChecked == true);
}
private void OnHasShadowChanged(object? sender, RoutedEventArgs e)
{
if (DemoNav == null)
return;
if (DemoNav.CurrentPage != null)
DemoNav.HasShadow = HasShadowCheck.IsChecked == true;
}
private void OnTransitionChanged(object? sender, SelectionChangedEventArgs e)
{
if (DemoNav == null)
return;
DemoNav.ModalTransition = TransitionCombo.SelectedIndex switch
{
1 => new CrossFade(TimeSpan.FromMilliseconds(250)),
2 => null,
_ => new PageSlide(TimeSpan.FromMilliseconds(300), PageSlide.SlideAxis.Vertical)
};
}
private void UpdateStatus()
{
StatusText.Text = $"Depth: {DemoNav.StackDepth}";
HeaderText.Text = $"Current: {DemoNav.CurrentPage?.Header ?? "(none)"}";
ModalText.Text = $"Modals: {DemoNav.ModalStack.Count}";
}
}