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

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

        private ChartXy _ChartXy;
        private Type _CollectionType;

        #endregion

        public ChartAxesCollectionEditor(Type type)
            : base(type)
        {
            _CollectionType = type;
        }

        #region EditValue

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

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

        #endregion

        #region CreateInstance

        protected override object CreateInstance(Type itemType)
        {
            ChartAxis axis = (ChartAxis)base.CreateInstance(itemType);

            axis.Name = (_CollectionType == typeof(ChartAxesXCollection))
                ? _ChartXy.AncillaryAxesX.GetUniqueName() : _ChartXy.AncillaryAxesY.GetUniqueName();

            return (axis);
        }

        #endregion

        #region CopyButton_Click

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

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

                    if (_CollectionType == typeof(ChartAxesXCollection))
                    {
                        ChartAxesXCollection cac = _ChartXy.AncillaryAxesX;
                        ChartAxis clone = cac[cac.Count - 1];

                        string name = clone.Name;
                        item.CopyTo(clone);
                        clone.Name = name;
                    }
                    else
                    {
                        ChartAxesYCollection cac = _ChartXy.AncillaryAxesY;
                        ChartAxis clone = cac[cac.Count - 1];

                        item.CopyTo(clone);

                        clone.Name = cac.GetUniqueName();
                    }
                }
            }
        }

        #endregion

        #region CreateCollectionItemType

        protected override Type CreateCollectionItemType()
        {
            return (_CollectionType == typeof(ChartAxesXCollection)
                ? typeof(ChartAxisX) : typeof(ChartAxisY));
        }

        #endregion
    }
}