using System;
using System.ComponentModel;
namespace SpreadControl
{
#region ヒットテスト種別
[Serializable]
[TypeConverter(typeof(HitTestTypeConverter))]
public enum HitTestType
{
None = 0 ,
Cell = 1
}
internal class HitTestTypeConverter : ExpandableObjectConverter
{
public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
{
if (destinationType == typeof(string)) return true;
return base.CanConvertTo(context, destinationType);
}
public override object ConvertTo(ITypeDescriptorContext context,
System.Globalization.CultureInfo culture, object value, Type destType)
{
if (destType == typeof(string) && value is HitTestType)
{
HitTestType ic = (HitTestType)value;
switch ( ic )
{
case HitTestType.None: return "None" ;
case HitTestType.Cell: return "Cell" ;
}
return "" ;
}
return base.ConvertTo(context, culture, value, destType);
}
}
#endregion
#region ヒットテスト情報
[Serializable]
[TypeConverter(typeof(HitTestInfoConverter))]
public class HitTestInfo
{
private int _column ;
private int _row ;
private HitTestType _type ;
public static readonly HitTestInfo Nowhere = new HitTestInfo() ;
public HitTestInfo()
{
_column = -1 ;
_row = -1 ;
_type = HitTestType.None ;
}
public HitTestInfo(int column, int row, HitTestType type)
{
_column = column ;
_row = row ;
_type = type ;
}
public int Column { get { return _column ; } }
public int Row { get { return _row ; } }
public HitTestType Type { get { return _type ; } }
}
internal class HitTestInfoConverter : ExpandableObjectConverter
{
public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
{
if (destinationType == typeof(string)) return true;
return base.CanConvertTo(context, destinationType);
}
public override object ConvertTo(ITypeDescriptorContext context,
System.Globalization.CultureInfo culture, object value, Type destType)
{
if (destType == typeof(string) && value is HitTestInfo)
{
HitTestInfo ic = (HitTestInfo)value;
return ic.Column.ToString() + "," + ic.Row.ToString() + "," + ic.Type.ToString() ;
}
return base.ConvertTo(context, culture, value, destType);
}
}
#endregion
}
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