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using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
namespace MatrixUtils.Desktop.Components;
public partial class NavigationStack : UserControl {
public NavigationStack() {
InitializeComponent();
}
// private void InitializeComponent() {
// AvaloniaXamlLoader.Load(this);
// buildView();
// }
protected override void OnLoaded(RoutedEventArgs e) {
base.OnLoaded(e);
buildView();
}
private void buildView() {
if (navPanel is null) {
Console.WriteLine("NavigationStack buildView called while navpanel is null!");
// await Task.Delay(100);
// if (navPanel is null)
// await buildView();
// else Console.WriteLine("navpanel is not null!");
}
navPanel.Children.Clear();
foreach (var item in _stack) {
Button btn = new() {
Content = item.Name
};
btn.Click += (_, _) => {
PopTo(_stack.IndexOf(item));
buildView();
};
navPanel.Children.Add(btn);
}
content.Content = Current?.View ?? new UserControl();
}
public class NavigationStackItem {
public string Name { get; set; }
public string Description { get; set; } = "";
public UserControl View { get; set; }
}
private List<NavigationStackItem> _stack = new();
public NavigationStackItem? Current => _stack.LastOrDefault();
public void Push(string name, UserControl view) {
_stack.Add(new NavigationStackItem {
Name = name,
View = view
});
buildView();
}
public void Pop() {
_stack.RemoveAt(_stack.Count - 1);
buildView();
}
public void PopTo(int index) {
_stack.RemoveRange(index, _stack.Count - index);
buildView();
}
}
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