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

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

        private ChartSeries _ChartSeries;
        private SeriesPointCollection _SavedCollection;

        #endregion

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

        #region EditValue

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

            SeriesPointCollection spc = (SeriesPointCollection)value;

            _SavedCollection = new SeriesPointCollection();

            foreach (SeriesPoint sp in spc)
                _SavedCollection.Add(sp.Copy());

            try
            {
                object evalue = base.EditValue(context, provider, value);

                if (EditCancelled == true)
                    return (_SavedCollection);

                return (evalue);
            }
            catch
            {
                return (_SavedCollection);
            }
        }

        #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)
        {
            SeriesPoint item = ChartItem as SeriesPoint;

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

                    ccd.InCopyItem = true;

                    try
                    {
                        AddButton.PerformClick();

                        SeriesPointCollection spc = _ChartSeries.SeriesPoints;
                        SeriesPoint clone = spc[spc.Count - 1];

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

        #endregion

        #region CreateCollectionItemType

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

        #endregion
    }
}