ConditionView.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace NeuroAccessMaui.UI.Controls
{
    internal class ConditionView : ContentView
    {
        public static readonly BindableProperty FalseProperty =
            BindableProperty.Create(nameof(False), typeof(View), typeof(ConditionView), null, propertyChanged: OnViewChanged);
 
        public static readonly BindableProperty TrueProperty =
            BindableProperty.Create(nameof(True), typeof(View), typeof(ConditionView), null, propertyChanged: OnViewChanged);
 
        public static readonly BindableProperty ConditionProperty =
            BindableProperty.Create(nameof(Condition), typeof(bool), typeof(ConditionView), false, propertyChanged: OnConditionChanged);
 
        private static void OnConditionChanged(BindableObject bindable, object oldValue, object newValue)
        {
            ((ConditionView)bindable).UpdateContent();
        }
 
        private static void OnViewChanged(BindableObject bindable, object oldValue, object newValue)
        {
            ConditionView Control = (ConditionView)bindable;
 
            if (newValue is View View)
            {
                SetInheritedBindingContext(View, Control.BindingContext);
            }
 
            Control.UpdateContent();
        }
 
 
        private void UpdateContent()
        {
            this.Content = this.Condition ? this.True : this.False;
            this.InvalidateMeasure();
        }
 
        protected override void OnBindingContextChanged()
        {
            {
                base.OnBindingContextChanged();
 
                if (this.True is not null)
                    SetInheritedBindingContext(this.True, this.BindingContext);
 
                if (this.False is not null)
                    SetInheritedBindingContext(this.False, this.BindingContext);
            }
        }
 
        public bool Condition
        {
            get => (bool)this.GetValue(ConditionProperty);
            set => this.SetValue(ConditionProperty, value);
        }
 
        public View True
        {
            get => (View)this.GetValue(TrueProperty);
            set => this.SetValue(TrueProperty, value);
        }
 
        public View False
        {
            get => (View)this.GetValue(FalseProperty);
            set => this.SetValue(FalseProperty, value);
        }
    }
 
}