/// <summary>
/// Compares this object to another <see cref="DesignLineStyle"/>.
/// </summary>
public int CompareTo(DesignLineStyle other)
{
int delta = this.LineColor == null ? -1 : this.LineColor.CompareTo(other.LineColor);
if (delta == 0)
{
delta = this.LineWidth == null ? -1 : this.LineWidth.CompareTo(other.LineWidth);
}
if (delta == 0)
{
delta = this.LineStyle == null ? -1 : this.LineStyle.CompareTo(other.LineStyle);
}
return(delta);
}
public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context, object value, Attribute[] attributes)
{
DesignLineStyle lineStyle = (DesignLineStyle)value;
const int N = 3;
PropertyDescriptor[] properties = new PropertyDescriptor[N];
properties[0] = new ShadowProperty(LineColorDisplayName,
TypeDescriptor.CreateProperty(
typeof(DesignLineStyle),
LineColorPropertyName,
typeof(ExpressionInfo),
new TypeConverterAttribute(lineStyle.IsNullable
? typeof(NullableColorExpressionInfoConverter)
: typeof(ColorExpressionInfoConverter))
));
properties[1] = new ShadowProperty(LineWidthDisplayName,
TypeDescriptor.CreateProperty(
typeof(DesignLineStyle),
LineWidthPropertyName,
typeof(ExpressionInfo),
new TypeConverterAttribute(lineStyle.IsNullable
? typeof(NullableLengthExpressionInfoConverter)
: typeof(LengthExpressionInfoConverter))
));
properties[2] = new ShadowProperty(LineStyleDisplayName,
TypeDescriptor.CreateProperty(
typeof(DesignLineStyle),
LineStylePropertyName,
typeof(ExpressionInfo),
new TypeConverterAttribute(lineStyle.IsNullable
? typeof(NullableEnumExpressionInfoConverter)
: typeof(EnumExpressionInfoConverter))
));
PropertyDescriptorCollection pdc = new PropertyDescriptorCollection(properties);
return(pdc.Sort(PropertySortOrder));
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType == typeof(string))
{
if (!(value is DesignLineStyle))
{
return(string.Empty);
}
DesignLineStyle lineStyle = (DesignLineStyle)value;
if (lineStyle.IsNullable)
{
return(string.Empty);
}
if (culture == null)
{
culture = CultureInfo.CurrentUICulture;
}
ColorExpressionInfoConverter colorStyleConverter = new ColorExpressionInfoConverter();
LengthExpressionInfoConverter widthStyleConverter = new LengthExpressionInfoConverter();
EnumExpressionInfoConverter borderStyleConverter = new EnumExpressionInfoConverter();
string separator = culture.TextInfo.ListSeparator + " ";
StringBuilder sb = new StringBuilder();
sb.Append(colorStyleConverter.ConvertTo(context, culture, lineStyle.LineColor, destinationType));
sb.Append(separator);
sb.Append(widthStyleConverter.ConvertTo(context, culture, lineStyle.LineWidth, destinationType));
sb.Append(separator);
sb.Append(borderStyleConverter.ConvertTo(context, culture, lineStyle.LineStyle, destinationType));
return(sb.ToString());
}
return(base.ConvertTo(context, culture, value, destinationType));
}