SourceCode/PROMS/DotNetBar Source Code/DevComponents.DotNetBar.Charts/Style/ChartTitleVisualStyle.cs

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

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

        private int _MaxLineCount = -1;
        private Tbool _Stretch = Tbool.NotSet;

        #endregion

        #region Public properties

        #region MaxLineCount

        /// <summary>
        /// Gets or sets the maximum number of Text lines.
        /// </summary>
        [DefaultValue(-1), Category("Appearance")]
        [Description("Indicates the maximum number of Text lines.")]
        public int MaxLineCount
        {
            get { return (_MaxLineCount); }

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

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

        #endregion

        #region Stretch

        /// <summary>
        /// Gets or sets whether text is 'stretched' to consume entire XyAlignment area.
        /// </summary>
        [DefaultValue(Tbool.NotSet), Category("Appearance")]
        [Description("Indicates whether text is 'stretched' to consume entire XyAlignment area.")]
        public Tbool Stretch
        {
            get { return (_Stretch); }

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

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

        #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 ((_MaxLineCount < 0) &&
                    (_Stretch == Tbool.NotSet) &&
                    (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(ChartTitleVisualStyle style)
        {
            if (style != null)
            {
                base.ApplyStyle(style);

                if (style.MaxLineCount > 0)
                    _MaxLineCount = style.MaxLineCount;

                if (style.Stretch != Tbool.NotSet)
                    _Stretch = style.Stretch;
            }
        }

        #endregion

        #region ApplyDefaults

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

            if (TextColor.IsEmpty)
                TextColor = Color.Black;

            if (MaxLineCount < 0)
                MaxLineCount = 3;
        }

        #endregion

        #region Copy

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

            CopyTo(style);

            return (style);
        }

        #endregion

        #region CopyTo

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

            style.MaxLineCount = _MaxLineCount;
            style.Stretch = _Stretch;
        }

        #endregion

        #region GetSerialData

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

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

                sec.AddStartElement(serialName);
            }

            sec.AddValue("MaxLineCount", MaxLineCount, -1);
            sec.AddValue("Stretch", Stretch, Tbool.NotSet);

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

                case "Stretch":
                    Stretch = (Tbool)se.GetValueEnum(typeof(Tbool));
                    break;

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

        #endregion

        #endregion

        #region IDisposable

        /// <summary>
        /// Dispose
        /// </summary>
        public override void Dispose()
        {
            base.Dispose();
        }

        #endregion
    }

    #region RotateDegrees

    ///<summary>
    /// Specifies the degrees to rotate the element.
    ///</summary>
    public enum RotateDegrees
    {
        ///<summary>
        /// Not set
        ///</summary>
        NotSet = -1,

        ///<summary>
        /// None
        ///</summary>
        None,

        ///<summary>
        /// Rotate as needed
        ///</summary>
        Auto,

        ///<summary>
        /// Rotate 90 degrees
        ///</summary>
        Rotate90,

        ///<summary>
        /// Rotate 180 degrees
        ///</summary>
        Rotate180,

        ///<summary>
        /// Rotate 270 degrees
        ///</summary>
        Rotate270,
    }

    #endregion

}