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

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

        private PieSeries _PieSeries;

        #endregion

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

        #region EditValue

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

            if (_PieSeries == null)
            {
                PieSeriesPoint psp = context.Instance as PieSeriesPoint;

                if (psp != null)
                    _PieSeries = psp.ChartSeries;
            }

            if (_PieSeries != null)
                return (base.EditValue(context, provider, value));

            return (value);
        }

        #endregion

        #region CreateInstance

        protected override object CreateInstance(Type itemType)
        {
            return (base.CreateInstance(itemType));
        }

        #endregion

        #region CopyButton_Click

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

            if (item != null)
            {
                if (AddButton != null)
                {
                    ChartControlDesigner ccd = GetDesigner(_PieSeries.ChartControl);

                    ccd.InCopyItem = true;

                    try
                    {
                        AddButton.PerformClick();

                        PieSeriesPointCollection spc = item.Parent as PieSeriesPointCollection;
                        PieSeriesPoint clone = spc[spc.Count - 1];

                        item.CopyTo(clone);
                    }
                    finally
                    {
                        ccd.InCopyItem = false;
                    }
                }
            }
        }

        #endregion

        #region CreateCollectionItemType

        protected override Type CreateCollectionItemType()
        {
            return typeof(PieSeriesPoint);
        }

        #endregion
    }
}