using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using DevComponents.DotNetBar.Charts;

namespace DevComponents.Charts.Design
{
    public class ChartSeriesCollectionEditor : BaseCollectionEditor
    {
        #region Private variables

        private BaseChart _BaseChart;

        #endregion

        public ChartSeriesCollectionEditor(Type type)
            : base(type)
        {
        }

        #region EditValue

        public override object EditValue(
            ITypeDescriptorContext context, IServiceProvider provider, object value)
        {
            _BaseChart = context.Instance as BaseChart;

            return (base.EditValue(context, provider, value));
        }

        #endregion

        #region CreateInstance

        protected override object CreateInstance(Type itemType)
        {
            if (itemType == typeof(PieSeries) || itemType == typeof(ChartSeries))
            {
                BaseSeries series = (BaseSeries)base.CreateInstance(itemType);

                series.Name = _BaseChart.BaseSeries.GetUniqueName();

                return (series);
            }

            return (base.CreateInstance(itemType));
        }

        #endregion

        #region CopyButton_Click

        protected override void CopyButton_Click(object sender, EventArgs e)
        {
            BaseSeries item = ChartItem as BaseSeries;

            if (item != null)
            {
                if (AddButton != null)
                {
                    AddButton.PerformClick();

                    ChartBaseSeriesCollection csc = _BaseChart.BaseSeries;
                    BaseSeries clone = csc[csc.Count - 1];

                    string name = clone.Name;
                    item.CopyTo(clone);
                    clone.Name = name;
                }
            }
        }

        #endregion

        #region CreateCollectionItemType

        protected override Type CreateCollectionItemType()
        {
            return (_BaseChart is PieChart ? typeof(PieSeries) : typeof(ChartSeries));
        }

        #endregion
    }
}