using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;

namespace Tango.FSE.LogViewer.UI.Controls
{
    public class LogTabsGrid : Grid
    {
        public int Columns
        {
            get { return (int)GetValue(ColumnsProperty); }
            set { SetValue(ColumnsProperty, value); }
        }
        public static readonly DependencyProperty ColumnsProperty =
            DependencyProperty.Register("Columns", typeof(int), typeof(LogTabsGrid), new PropertyMetadata(0, (d, e) => (d as LogTabsGrid).OnColumnsChanged()));

        private void OnColumnsChanged()
        {
            ColumnDefinitions.Clear();

            for (int i = 0; i < Columns; i++)
            {
                ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1, GridUnitType.Star) });
            }
        }

        protected override void OnVisualChildrenChanged(DependencyObject visualAdded, DependencyObject visualRemoved)
        {
            base.OnVisualChildrenChanged(visualAdded, visualRemoved);

            for (int i = 0; i < Children.Count; i++)
            {
                var element = Children[i] as FrameworkElement;

                if (element != null)
                {
                    Grid.SetColumn(Children[i] as FrameworkElement, i);
                }
            }
        }
    }
}