using System.ComponentModel;
using System.Drawing;
using System.Drawing.Design;
using System.Windows.Forms;

namespace DevComponents.DotNetBar.Charts.Style
{
    /// <summary>
    /// Represents the visual style of a ChartPanel
    /// </summary>
    [ToolboxItem(false), DesignTimeVisible(false)]
    [TypeConverter(typeof(BlankExpandableObjectConverter))]
    public class ChartPanelVisualStyle : BaseVisualStyle
    {
        #region Private variables

        private DividerLineVisualStyle _DividerLineX;
        private DividerLineVisualStyle _DividerLineY;

        private ScrollBarVisualStyles _HScrollBarVisualStyles;
        private ScrollBarVisualStyles _VScrollBarVisualStyles;

        #endregion

        #region Public properties

        #region DividerLineX

        /// <summary>
        /// Gets or sets the visual style of the horizontal DividerLine (when ChartMatrix.DividerLines is enabled).
        /// </summary>
        [Description("Indicates the visual style of the horizontal DividerLine (when ChartMatrix.DividerLines is enabled).")]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
        public DividerLineVisualStyle DividerLineX
        {
            get
            {
                if (_DividerLineX == null)
                {
                    _DividerLineX = new DividerLineVisualStyle();

                    UpdateChangeHandler(null, _DividerLineX);
                }

                return (_DividerLineX);
            }

            set
            {
                if (_DividerLineX != value)
                {
                    UpdateChangeHandler(_DividerLineX, value);

                    _DividerLineX = value;

                    OnPropertyChangedEx("DividerLineX", VisualChangeType.Layout);
                }
            }
        }

        #endregion

        #region DividerLineY

        /// <summary>
        /// Gets or sets the visual style of the vertical DividerLine (when ChartMatrix.DividerLines is enabled).
        /// </summary>
        [Description("Indicates the visual style of the vertical DividerLine. (when ChartMatrix.DividerLines is enabled)")]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
        public DividerLineVisualStyle DividerLineY
        {
            get
            {
                if (_DividerLineY == null)
                {
                    _DividerLineY = new DividerLineVisualStyle();

                    UpdateChangeHandler(null, _DividerLineY);
                }

                return (_DividerLineY);
            }

            set
            {
                if (_DividerLineY != value)
                {
                    UpdateChangeHandler(_DividerLineY, value);

                    _DividerLineY = value;

                    OnPropertyChangedEx("DividerLineY", VisualChangeType.Layout);
                }
            }
        }

        #endregion

        #region HScrollBarVisualStyles

        /// <summary>
        /// Gets or sets the visual styles to be used for Horizontal ScrollBar elements 
        /// </summary>
        [Category("Style")]
        [Description("Indicates visual styles to be used for Horizontal ScrollBar elements ")]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
        public ScrollBarVisualStyles HScrollBarVisualStyles
        {
            get
            {
                if (_HScrollBarVisualStyles == null)
                {
                    _HScrollBarVisualStyles = new ScrollBarVisualStyles();

                    UpdateChangeHandler(null, _HScrollBarVisualStyles);
                }

                return (_HScrollBarVisualStyles);
            }

            set
            {
                if (_HScrollBarVisualStyles != value)
                {
                    ScrollBarVisualStyles oldValue = _HScrollBarVisualStyles;
                    _HScrollBarVisualStyles = value;

                    OnStyleChanged("HScrollBarVisualStyles", oldValue, value);
                }
            }
        }

        #endregion

        #region VScrollBarVisualStyles

        /// <summary>
        /// Gets or sets the visual styles to be used for Vertical ScrollBar elements 
        /// </summary>
        [Category("Style")]
        [Description("Indicates visual styles to be used for Vertical ScrollBar elements ")]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
        public ScrollBarVisualStyles VScrollBarVisualStyles
        {
            get
            {
                if (_VScrollBarVisualStyles == null)
                {
                    _VScrollBarVisualStyles = new ScrollBarVisualStyles();

                    UpdateChangeHandler(null, _VScrollBarVisualStyles);
                }

                return (_VScrollBarVisualStyles);
            }

            set
            {
                if (_VScrollBarVisualStyles != value)
                {
                    ScrollBarVisualStyles oldValue = _VScrollBarVisualStyles;
                    _VScrollBarVisualStyles = value;

                    OnStyleChanged("VScrollBarVisualStyles", oldValue, value);
                }
            }
        }

        #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 ((_DividerLineX == null || _DividerLineX.IsEmpty == true) &&
                    (_DividerLineY == null || _DividerLineY.IsEmpty == true) &&
                    (_HScrollBarVisualStyles == null) &&
                    (_VScrollBarVisualStyles == null) &&
                    (base.IsEmpty == true));
            }
        }

        #endregion

        #endregion

        #region ApplyStyle

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

                if (style.DividerLineX != null)
                    DividerLineX.ApplyStyle(style.DividerLineX);

                if (style.DividerLineY != null)
                    DividerLineY.ApplyStyle(style.DividerLineY);

                if (style.HScrollBarVisualStyles != null)
                {
                    for (int i = 0; i < style.HScrollBarVisualStyles.Styles.Length; i++)
                    {
                        if (style.HScrollBarVisualStyles.Styles[i] != null)
                            HScrollBarVisualStyles.GetStyle(i).ApplyStyle(style.HScrollBarVisualStyles.Styles[i]);
                    }
                }

                if (style.VScrollBarVisualStyles != null)
                {
                    for (int i = 0; i < style.VScrollBarVisualStyles.Styles.Length; i++)
                    {
                        if (style.VScrollBarVisualStyles.Styles[i] != null)
                            VScrollBarVisualStyles.GetStyle(i).ApplyStyle(style.VScrollBarVisualStyles.Styles[i]);
                    }
                }
            }
        }

        #endregion

        #region Copy

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

            CopyTo(style);

            return (style);
        }

        #endregion

        #region CopyTo

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

            style.DividerLineX = (_DividerLineX != null) ? _DividerLineX.Copy() : null;
            style.DividerLineY = (_DividerLineY != null) ? _DividerLineY.Copy() : null;

            style.HScrollBarVisualStyles = (_HScrollBarVisualStyles != null) ? _HScrollBarVisualStyles.Copy() : null;
            style.VScrollBarVisualStyles = (_VScrollBarVisualStyles != null) ? _VScrollBarVisualStyles.Copy() : null;
        }

        #endregion

        #region GetSerialData

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

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

                sec.AddStartElement(serialName);
            }

            if (_DividerLineX != null && _DividerLineX.IsEmpty == false)
                sec.AddElement(_DividerLineX.GetSerialData("DividerLineX"));

            if (_DividerLineY != null && _DividerLineY.IsEmpty == false)
                sec.AddElement(_DividerLineY.GetSerialData("DividerLineY"));

            if (_HScrollBarVisualStyles != null && _HScrollBarVisualStyles.IsEmpty == false)
                sec.AddElement(_HScrollBarVisualStyles.GetSerialData("HScrollBarVisualStyles"));

            if (_VScrollBarVisualStyles != null && _VScrollBarVisualStyles.IsEmpty == false)
                sec.AddElement(_VScrollBarVisualStyles.GetSerialData("VScrollBarVisualStyles"));

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

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

            return (sec);
        }

        #endregion

        #region PutSerialData

        #region ProcessCollection

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

            switch (se.Name)
            {
                case "DividerLineX":
                    sec.PutSerialData(DividerLineX);
                    break;

                case "DividerLineY":
                    sec.PutSerialData(DividerLineY);
                    break;

                case "HScrollBarVisualStyles":
                    sec.PutSerialData(HScrollBarVisualStyles);
                    break;

                case "VScrollBarVisualStyles":
                    sec.PutSerialData(VScrollBarVisualStyles);
                    break;

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

        #endregion

        #endregion

        #region IDisposable

        public override void Dispose()
        {
            DividerLineX = null;
            DividerLineY = null;
            HScrollBarVisualStyles = null;
            VScrollBarVisualStyles = null;

            base.Dispose();
        }

        #endregion
    }
}