using System.Collections.Generic;
using System.Windows;
using System.Windows.Documents;

namespace Juick.Classes
{
    public static class ParagraphBindingBehavior
    {
        public static readonly DependencyProperty AssignedInlinesProperty =
            DependencyProperty.RegisterAttached("AssignedInlines", typeof(IEnumerable<Inline>), typeof(Paragraph), new PropertyMetadata(null, AssignedInlinesCallback));

        static void AssignedInlinesCallback(DependencyObject target, DependencyPropertyChangedEventArgs e)
        {
            var inlines = ((Paragraph)target).Inlines;
            inlines.Clear();
            var value = e.NewValue as IEnumerable<Inline>;
            if (value != null)
            {
                foreach (var inline in value)
                {
                    inlines.Add(inline);
                }
            }
        }

        public static IEnumerable<Inline> GetAssignedInlines(DependencyObject obj)
        {
            return (IEnumerable<Inline>)obj.GetValue(AssignedInlinesProperty);
        }

        public static void SetAssignedInlines(DependencyObject obj, IEnumerable<Inline> value)
        {
            obj.SetValue(AssignedInlinesProperty, value);
        }
    }
}