using System.ComponentModel;
using System.Drawing;

namespace DevComponents.DotNetBar.Charts.Style
{
    /// <summary>
    /// Represents the visual style of a Legend element.
    /// </summary>
    [TypeConverter(typeof(VisualStylesConverter))]
    public class SliceCenterLineVisualStyle : ChartLineVisualStyle
    {
        #region Private variables

        private int _InnerExtent;
        private int _OuterExtent;

        #endregion

        #region Public properties

        #region InnerExtent

        /// <summary>
        /// Gets or sets the distance (in pixels) to which the center line
        /// is extended prior to the slice inner radius.
        /// </summary>
        [Description("Indicates the distance (in pixels) to which the center line is extended prior to the slice inner radius.")]
        [DefaultValue(0)]
        public int InnerExtent
        {
            get { return (_InnerExtent); }

            set
            {
                if (_InnerExtent != value)
                {
                    _InnerExtent = value;

                    OnPropertyChangedEx("InnerExtent", VisualChangeType.Render);
                }
            }
        }

        #endregion

        #region OuterExtent

        /// <summary>
        /// Gets or sets the distance (in pixels) to which the center line
        /// is extended past to the slice Outer radius.
        /// </summary>
        [Description("Indicates the distance (in pixels) to which the center line is extended past the slice Outer radius.")]
        [DefaultValue(0)]
        public int OuterExtent
        {
            get { return (_OuterExtent); }

            set
            {
                if (_OuterExtent != value)
                {
                    _OuterExtent = value;

                    OnPropertyChangedEx("OuterExtent", VisualChangeType.Render);
                }
            }
        }

        #endregion

        #region IsEmpty

        /// <summary>
        /// Gets whether the style is logically Empty.
        /// </summary>
        [Browsable(false)]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
        [Description("Gets whether the style is logically Empty.")]
        public override bool IsEmpty
        {
            get
            {
                return ((_InnerExtent == 0) &&
                    (_OuterExtent == 0) &&
                    (base.IsEmpty == true));
            }
        }

        #endregion

        #endregion

        #region ApplyStyle

        /// <summary>
        /// Applies the style to the instance of this style.
        /// </summary>
        /// <param name="style">Style to apply.</param>
        public void ApplyStyle(SliceCenterLineVisualStyle style)
        {
            if (style != null)
            {
                base.ApplyStyle(style);

                if (style.InnerExtent != 0)
                    InnerExtent = style.InnerExtent;

                if (style.OuterExtent != 0)
                    OuterExtent = style.OuterExtent;
            }
        }

        #endregion

        #region ApplyDefaults

        public override void ApplyDefaults()
        {
            base.ApplyDefaults();
        }

        #endregion

        #region Copy

        /// <summary>
        /// Returns the copy of the style.
        /// </summary>
        /// <returns>Copy of the style.</returns>
        public new SliceCenterLineVisualStyle Copy()
        {
            SliceCenterLineVisualStyle style = new SliceCenterLineVisualStyle();

            CopyTo(style);

            return (style);
        }

        #endregion

        #region CopyTo

        /// <summary>
        /// Returns the copy of the style.
        /// </summary>
        /// <returns>Copy of the style.</returns>
        public void CopyTo(SliceCenterLineVisualStyle style)
        {
            base.CopyTo(style);

            style.InnerExtent = _InnerExtent;
            style.OuterExtent = _OuterExtent;
        }

        #endregion

        #region GetSerialData

        internal override SerialElementCollection GetSerialData(string serialName)
        {
            SerialElementCollection sec = new SerialElementCollection();

            if (serialName != null)
            {
                if (serialName.Equals("") == true)
                    serialName = "SliceCenterLineVisualStyle";

                sec.AddStartElement(serialName);
            }

            sec.AddValue("InnerExtent", InnerExtent, 0);
            sec.AddValue("OuterExtent", OuterExtent, 0);

            sec.AddElement(base.GetSerialData(null));

            if (serialName != null)
                sec.AddEndElement(serialName);

            return (sec);
        }

        #endregion

        #region PutSerialData

        #region ProcessValue

        internal override void ProcessValue(SerialElement se)
        {
            switch (se.Name)
            {
                case "InnerExtent":
                    InnerExtent = int.Parse(se.StringValue);
                    break;

                case "OuterExtent":
                    OuterExtent = int.Parse(se.StringValue);
                    break;

                default:
                    base.ProcessValue(se);
                    break;
            }
        }

        #endregion

        #region ProcessCollection

        internal override void ProcessCollection(SerialElement se)
        {
            SerialElementCollection sec = se.Sec;

            switch (se.Name)
            {
                default:
                    base.ProcessCollection(se);
                    break;
            }
        }

        #endregion

        #endregion
    }
}