using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace Tango.Touch.Controls
{
    public class TouchStepProgressBar : ListBox
    {
        private bool _selecting;

        public CornerRadius CornerRadius
        {
            get { return (CornerRadius)GetValue(CornerRadiusProperty); }
            set { SetValue(CornerRadiusProperty, value); }
        }
        public static readonly DependencyProperty CornerRadiusProperty =
            DependencyProperty.Register("CornerRadius", typeof(CornerRadius), typeof(TouchStepProgressBar), new PropertyMetadata(default(CornerRadius)));

        protected override void OnSelectionChanged(SelectionChangedEventArgs e)
        {
            if (_selecting) return;

            base.OnSelectionChanged(e);

            _selecting = true;

            if (SelectedItem != null)
            {
                for (int i = 0; i < Items.IndexOf(SelectedItem); i++)
                {
                    var container = ItemContainerGenerator.ContainerFromIndex(i) as ListBoxItem;
                    container.IsSelected = true;
                }
            }

            _selecting = false;
        }

        static TouchStepProgressBar()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(TouchStepProgressBar), new FrameworkPropertyMetadata(typeof(TouchStepProgressBar)));
        }
    }
}