445 lines
11 KiB
C#

using System;
using System.ComponentModel;
using System.Drawing;
namespace DevComponents.DotNetBar.Charts.Style
{
/// <summary>
/// Represents the visual style of a Tickmark Label element.
/// </summary>
[TypeConverter(typeof(VisualStylesConverter))]
public class TickmarkLabelVisualStyle : BaseVisualStyle
{
#region Private variables
private Font _Font;
private Tbool _AllowWrap = Tbool.NotSet;
private Color _TextColor = Color.Empty;
private Alignment _TextAlignment = Alignment.NotSet;
private string _TextFormat;
private int _MaxLineCount = -1;
private int _MaxWidth = -1;
#endregion
#region Public properties
#region AllowWrap
/// <summary>
/// Gets or sets whether text wrapping is permitted
/// </summary>
[DefaultValue(Tbool.NotSet), Category("Appearance")]
[Description("Indicates whether text wrapping is permitted.")]
public Tbool AllowWrap
{
get { return (_AllowWrap); }
set
{
if (_AllowWrap != value)
{
_AllowWrap = value;
OnPropertyChangedEx("AllowWrap", VisualChangeType.Layout);
}
}
}
#endregion
#region Font
/// <summary>
/// Gets or sets the style Font
/// </summary>
[DefaultValue(null)]
[Description("Indicates the style Font")]
public Font Font
{
get { return (_Font); }
set
{
if (_Font != value)
{
_Font = value;
OnPropertyChangedEx("Font", VisualChangeType.Layout);
}
}
}
#endregion
#region MaxLineCount
/// <summary>
/// Gets or sets the maximum number of Label Text lines.
/// </summary>
[DefaultValue(-1), Category("Appearance")]
[Description("Indicates the maximum number of Label Text lines.")]
public int MaxLineCount
{
get { return (_MaxLineCount); }
set
{
if (value != _MaxLineCount)
{
_MaxLineCount = value;
OnPropertyChangedEx("MaxLineCount", VisualChangeType.Layout);
}
}
}
#endregion
#region MaxWidth
/// <summary>
/// Gets or sets the maximum width of the lable.
/// </summary>
[DefaultValue(-1), Category("Appearance")]
[Description("Indicates the maximum width of the lable.")]
public int MaxWidth
{
get { return (_MaxWidth); }
set
{
if (value != _MaxWidth)
{
_MaxWidth = value;
OnPropertyChangedEx("MaxWidth", VisualChangeType.Layout);
}
}
}
#endregion
#region TextAlignment
/// <summary>
/// Gets or sets the alignment of the axis Text
/// </summary>
[DefaultValue(Alignment.NotSet), Category("Appearance")]
[Description("Indicates the alignment of the axis Text.")]
public Alignment TextAlignment
{
get { return (_TextAlignment); }
set
{
if (_TextAlignment != value)
{
_TextAlignment = value;
OnPropertyChangedEx("TextAlignment", VisualChangeType.Layout);
}
}
}
#endregion
#region TextColor
/// <summary>
/// Gets or sets the Text color
/// </summary>
[Description("Indicates the Text color")]
public Color TextColor
{
get { return (_TextColor); }
set
{
if (_TextColor != value)
{
_TextColor = value;
OnPropertyChangedEx("TextColor", VisualChangeType.Render);
}
}
}
/// <summary>
/// Gets whether property should be serialized.
/// </summary>
[EditorBrowsable(EditorBrowsableState.Never)]
private bool ShouldSerializeTextColor()
{
return (_TextColor.IsEmpty == false);
}
/// <summary>
/// Resets property to its default value.
/// </summary>
[EditorBrowsable(EditorBrowsableState.Never)]
private void ResetTextColor()
{
TextColor = Color.Empty;
}
#endregion
#region TextFormat
/// <summary>
/// Gets or sets the Text Format specifier
/// </summary>
[DefaultValue(null)]
[Description("Indicates the Text Format specifier")]
public string TextFormat
{
get { return (_TextFormat); }
set
{
if (_TextFormat != value)
{
_TextFormat = value;
OnPropertyChangedEx("TextFormat", 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 ((_AllowWrap == Tbool.NotSet) &&
(_Font == null) &&
(_MaxLineCount < 0) &&
(_MaxWidth < 0) &&
(_TextAlignment == Alignment.NotSet) &&
(_TextColor.IsEmpty == true) &&
(string.IsNullOrEmpty(_TextFormat) == true) &&
(base.IsEmpty == true));
}
}
#endregion
#endregion
#region GetTextFormatFlags
internal eTextFormat GetTextFormatFlags()
{
eTextFormat tf = eTextFormat.WordEllipsis |
eTextFormat.NoPadding | eTextFormat.NoPrefix;
if (AllowWrap == Tbool.True)
tf |= eTextFormat.WordBreak;
tf |= eTextFormat.HorizontalCenter | eTextFormat.VerticalCenter;
return (tf);
}
#endregion
#region GetStringFormatFlags
internal void GetStringFormatFlags(StringFormat sf)
{
if (AllowWrap == Tbool.False)
sf.FormatFlags |= StringFormatFlags.NoWrap;
sf.LineAlignment = StringAlignment.Center;
sf.Alignment = StringAlignment.Center;
}
#endregion
#region ApplyStyle
/// <summary>
/// Applies the style to instance of this style.
/// </summary>
/// <param name="style">Style to apply.</param>
public void ApplyStyle(TickmarkLabelVisualStyle style)
{
if (style != null)
{
base.ApplyStyle(style);
if (style.AllowWrap != Tbool.NotSet)
AllowWrap = style.AllowWrap;
if (style.Font != null)
Font = style.Font;
if (style.MaxLineCount > 0)
MaxLineCount = style.MaxLineCount;
if (style.MaxWidth > 0)
MaxWidth = style.MaxWidth;
if (style.TextAlignment != Alignment.NotSet)
TextAlignment = style.TextAlignment;
if (style.TextColor.IsEmpty == false)
TextColor = style.TextColor;
if (string.IsNullOrEmpty(style.TextFormat) == false)
TextFormat = style.TextFormat;
}
}
#endregion
#region Copy
/// <summary>
/// Returns the copy of the style.
/// </summary>
/// <returns>Copy of the style.</returns>
public new TickmarkLabelVisualStyle Copy()
{
TickmarkLabelVisualStyle style = new TickmarkLabelVisualStyle();
CopyTo(style);
return (style);
}
#endregion
#region CopyTo
/// <summary>
/// Returns the copy of the style.
/// </summary>
/// <returns>Copy of the style.</returns>
public void CopyTo(TickmarkLabelVisualStyle style)
{
base.CopyTo(style);
style.AllowWrap = _AllowWrap;
style.Font = (_Font != null) ? (Font)_Font.Clone() : null;
style.MaxLineCount = _MaxLineCount;
style.MaxWidth = _MaxWidth;
style.TextAlignment = _TextAlignment;
style.TextColor = _TextColor;
style.TextFormat = _TextFormat;
}
#endregion
#region GetSerialData
internal override SerialElementCollection GetSerialData(string serialName)
{
SerialElementCollection sec = new SerialElementCollection();
if (serialName != null)
{
if (serialName.Equals("") == true)
serialName = "TickmarkLabelVisualStyle";
sec.AddStartElement(serialName);
}
sec.AddValue("AllowWrap", AllowWrap, Tbool.NotSet);
if (_Font != null)
sec.AddValue("Font", XmlSerializableFont.ConvertToString(Font));
sec.AddValue("MaxLineCount", MaxLineCount, -1);
sec.AddValue("MaxWidth", MaxWidth, -1);
sec.AddValue("TextAlignment", TextAlignment, Alignment.NotSet);
sec.AddValue("TextColor", TextColor, Color.Empty);
sec.AddValue("TextFormat", TextFormat, null);
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 "AllowWrap":
AllowWrap = (Tbool)se.GetValueEnum(typeof(Tbool));
break;
case "Font":
Font = XmlSerializableFont.ConvertFromString(se.StringValue);
break;
case "MaxLineCount":
MaxLineCount = int.Parse(se.StringValue);
break;
case "MaxWidth":
MaxWidth = int.Parse(se.StringValue);
break;
case "TextAlignment":
TextAlignment = (Alignment)se.GetValueEnum(typeof(Alignment));
break;
case "TextColor":
TextColor = se.GetValueColor();
break;
case "TextFormat":
TextFormat = se.StringValue;
break;
default:
base.ProcessValue(se);
break;
}
}
#endregion
#endregion
#region IDisposable
/// <summary>
/// Dispose
/// </summary>
public override void Dispose()
{
base.Dispose();
}
#endregion
}
}