/*
* Copyright � 2005, Mathew Hall
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
using System;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Drawing;
using System.Globalization;
using System.Reflection;
using XPTable.Models;
namespace XPTable.Models.Design
{
/// <summary>
/// A custom TypeConverter used to help convert Cells from
/// one Type to another
/// </summary>
public class CellConverter : TypeConverter
{
/// <summary>
/// Returns whether this converter can convert the object to the
/// specified type, using the specified context
/// </summary>
/// <param name="context">An ITypeDescriptorContext that provides a
/// format context</param>
/// <param name="destinationType">A Type that represents the type
/// you want to convert to</param>
/// <returns>true if this converter can perform the conversion; o
/// therwise, false</returns>
public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
{
if (destinationType == typeof(InstanceDescriptor))
{
return true;
}
return base.CanConvertTo(context, destinationType);
}
/// <summary>
/// Converts the given value object to the specified type, using
/// the specified context and culture information
/// </summary>
/// <param name="context">An ITypeDescriptorContext that provides
/// a format context</param>
/// <param name="culture">A CultureInfo object. If a null reference
/// is passed, the current culture is assumed</param>
/// <param name="value">The Object to convert</param>
/// <param name="destinationType">The Type to convert the value
/// parameter to</param>
/// <returns>An Object that represents the converted value</returns>
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType == typeof(InstanceDescriptor) && value is Cell)
{
ConstructorInfo ci = typeof(Cell).GetConstructor(new Type[] {});
if (ci != null)
{
return new InstanceDescriptor(ci, null, false);
}
}
return base.ConvertTo(context, culture, value, destinationType);
}
}
}