/// <summary>
/// 复制对象
/// </summary>
/// <returns>复制品</returns>
public XFontValue Clone()
{
XFontValue font = new XFontValue();
font.CopySettings(this);
return(font);
}
/// <summary>
/// 复制对象
/// </summary>
/// <returns>复制品</returns>
object System.ICloneable.Clone()
{
XFontValue font = new XFontValue();
font.CopySettings(this);
return(font);
}
/// <summary>
/// 将指定字体对象的设置复制到本对象
/// </summary>
/// <param name="SourceFont">来源字体对象</param>
public void CopySettings(XFontValue SourceFont)
{
strName = SourceFont.strName;
fSize = SourceFont.fSize;
bolBold = SourceFont.bolBold;
bolItalic = SourceFont.bolItalic;
bolUnderline = SourceFont.bolUnderline;
bolStrikeout = SourceFont.bolStrikeout;
_Unit = SourceFont._Unit;
}
/// <summary>
/// 修复字体名称
/// </summary>
public void FixFontName()
{
foreach (ContentStyle style in this)
{
XFontValue f = style.Font;
if (f.FixFontName())
{
// 修复错误的字体名称
style.FontName = f.Name;
}
}//foreach
}
/// <summary>
/// 将字体转换为其他类型
/// </summary>
/// <param name="context">参数</param>
/// <param name="culture">参数</param>
/// <param name="Value">对象数据</param>
/// <param name="destinationType">目标数据类型</param>
/// <returns>转换结果</returns>
public override object ConvertTo(
ITypeDescriptorContext context,
System.Globalization.CultureInfo culture,
object Value,
Type destinationType)
{
if (destinationType == null)
{
throw new ArgumentNullException("destinationType");
}
if (destinationType == typeof(string))
{
XFontValue font = (XFontValue)Value;
if (font == null)
{
return("错误的类型");
}
return(font.ToString());
}
if (destinationType == typeof(System.Drawing.Font))
{
XFontValue font = (XFontValue)Value;
return(font.Value);
}
if ((destinationType == typeof(InstanceDescriptor)) &&
(Value is XFontValue))
{
XFontValue font = (XFontValue)Value;
System.Collections.ArrayList list = new System.Collections.ArrayList();
System.Collections.ArrayList types = new System.Collections.ArrayList();
list.Add(font.Name);
types.Add(typeof(string));
list.Add(font.Size);
types.Add(typeof(float));
if (font.Style != System.Drawing.FontStyle.Regular)
{
list.Add(font.Style);
types.Add(typeof(System.Drawing.FontStyle));
}
System.Reflection.MemberInfo constructor = typeof(XFontValue).GetConstructor(
(Type[])types.ToArray(typeof(Type)));
if (constructor != null)
{
return(new InstanceDescriptor(constructor, list.ToArray()));
}
}
return(base.ConvertTo(context, culture, Value, destinationType));
}
/// <summary>
/// 比较两个对象内容是否相同
/// </summary>
/// <param name="obj">对象</param>
/// <returns>内容是否相同</returns>
public override bool Equals(object obj)
{
if (obj == this)
{
return(true);
}
if (!(obj is XFontValue))
{
return(false);
}
XFontValue f = (XFontValue)obj;
return(f.bolBold == this.bolBold &&
f.bolItalic == this.bolItalic &&
f.bolStrikeout == this.bolStrikeout &&
f.bolUnderline == this.bolUnderline &&
f.fSize == this.fSize &&
f.strName == this.strName &&
f._Unit == this._Unit);
}
/// <summary>
/// 比较对象和指定字体的设置是否一致
/// </summary>
/// <param name="f">字体对象</param>
/// <returns>是否一致</returns>
public bool EqualsValue(XFontValue f)
{
if (f == null)
{
return(false);
}
if (this == f)
{
return(true);
}
if (strName != f.strName)
{
return(false);
}
if (fSize != f.fSize)
{
return(false);
}
if (bolBold != f.bolBold)
{
return(false);
}
if (bolItalic != f.bolItalic)
{
return(false);
}
if (bolUnderline != f.bolUnderline)
{
return(false);
}
if (bolStrikeout != f.bolStrikeout)
{
return(false);
}
if (_Unit != f._Unit)
{
return(false);
}
return(true);
}
/// <summary>
/// 编辑对象数据
/// </summary>
/// <param name="context">参数</param>
/// <param name="provider">参数</param>
/// <param name="Value">旧数据</param>
/// <returns>新数据</returns>
public override object EditValue(
ITypeDescriptorContext context,
IServiceProvider provider,
object Value)
{
using (System.Windows.Forms.FontDialog dlg = new System.Windows.Forms.FontDialog())
{
dlg.ShowApply = false;
dlg.ShowColor = false;
if (Value != null)
{
if (Value is System.Drawing.Font)
{
dlg.Font = (System.Drawing.Font)Value;
}
else if (Value is XFontValue)
{
dlg.Font = ((XFontValue)Value).Value;
}
}
if (dlg.ShowDialog( ) == System.Windows.Forms.DialogResult.OK)
{
Type pt = context.PropertyDescriptor.PropertyType;
if (pt.Equals(typeof(System.Drawing.Font)))
{
Value = dlg.Font;
}
else if (pt.Equals(typeof(XFontValue)))
{
Value = new XFontValue(dlg.Font);
}
else
{
Value = dlg.Font;
}
}
} //if
return(Value);
}
/// <summary>
/// 将数据转换为字体对象
/// </summary>
/// <param name="context">参数</param>
/// <param name="culture">参数</param>
/// <param name="Value">输入的数据</param>
/// <returns>转换结果</returns>
public override object ConvertFrom(
ITypeDescriptorContext context,
System.Globalization.CultureInfo culture,
object Value)
{
if (Value is System.Drawing.Font)
{
return(new XFontValue((System.Drawing.Font)Value));
}
if (!(Value is string))
{
return(base.ConvertFrom(context, culture, Value));
}
string str = ((string)Value).Trim();
if (str.Length == 0)
{
return(null);
}
XFontValue font = new XFontValue();
font.Parse(str);
return(font);
}
