using System;
using Core.Common.Controls.TreeView;
using Core.Components.Charting.Data;
using Core.Plugins.OxyPlot.Properties;

namespace Core.Plugins.OxyPlot.Legend
{
    /// <summary>
    /// This class describes the presentation of <see cref="Core.Components.Charting.Data.IChartData"/> in a <see cref="TreeView"/>.
    /// </summary>
    public class ChartDataNodePresenter : TreeViewNodePresenterBase<IChartData>
    {
        public override void UpdateNode(TreeNode parentNode, TreeNode node, IChartData nodeData)
        {
            if (nodeData is AreaData)
            {
                node.Text = Resources.ChartDataNodePresenter_Area_data_label;
                node.Image = Resources.AreaIcon;
            }
            else if (nodeData is LineData)
            {
                node.Text = Resources.ChartDataNodePresenter_Line_data_label;
                node.Image = Resources.LineIcon;
            }
            else if (nodeData is PointData)
            {
                node.Text = Resources.ChartDataNodePresenter_Point_data_label;
                node.Image = Resources.PointsIcon;
            }
            else
            {
                throw new NotSupportedException("Cannot add chart data of type other than points, lines or area.");
            }
            node.ShowCheckBox = true;
            node.Checked = true;
        }

        public override void OnNodeChecked(TreeNode node)
        {
            ((LegendTreeView) TreeView).Chart.SetVisibility((IChartData)node.Tag, node.Checked);
        }
    }
}