110 lines
3.3 KiB
C#
110 lines
3.3 KiB
C#
/*************************************************************************************
|
|
|
|
Extended WPF Toolkit
|
|
|
|
Copyright (C) 2007-2013 Xceed Software Inc.
|
|
|
|
This program is provided to you under the terms of the Microsoft Public
|
|
License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license
|
|
|
|
For more features, controls, and fast professional support,
|
|
pick up the Plus Edition at http://xceed.com/wpf_toolkit
|
|
|
|
Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
|
|
|
|
***********************************************************************************/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Windows.Data;
|
|
using System.Globalization;
|
|
using System.ComponentModel;
|
|
using System.Windows;
|
|
using System.Reflection;
|
|
|
|
namespace Xceed.Wpf.Toolkit.PropertyGrid.Converters
|
|
{
|
|
public class SelectedObjectConverter : IValueConverter
|
|
{
|
|
private const string ValidParameterMessage = @"parameter must be one of the following strings: 'Type', 'TypeName', 'SelectedObjectName'";
|
|
#region IValueConverter Members
|
|
|
|
public object Convert( object value, Type targetType, object parameter, CultureInfo culture )
|
|
{
|
|
if( parameter == null )
|
|
throw new ArgumentNullException( "parameter" );
|
|
|
|
if( !( parameter is string ) )
|
|
throw new ArgumentException( SelectedObjectConverter.ValidParameterMessage );
|
|
|
|
if( this.CompareParam(parameter, "Type") )
|
|
{
|
|
return this.ConvertToType( value, culture );
|
|
}
|
|
else if( this.CompareParam( parameter, "TypeName" ) )
|
|
{
|
|
return this.ConvertToTypeName( value, culture );
|
|
}
|
|
else if( this.CompareParam( parameter, "SelectedObjectName" ) )
|
|
{
|
|
return this.ConvertToSelectedObjectName( value, culture );
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentException( SelectedObjectConverter.ValidParameterMessage );
|
|
}
|
|
}
|
|
|
|
private bool CompareParam(object parameter, string parameterValue )
|
|
{
|
|
return string.Compare( ( string )parameter, parameterValue, true ) == 0;
|
|
}
|
|
|
|
private object ConvertToType( object value, CultureInfo culture )
|
|
{
|
|
return ( value != null )
|
|
? value.GetType()
|
|
: null;
|
|
}
|
|
|
|
private object ConvertToTypeName( object value, CultureInfo culture )
|
|
{
|
|
if( value == null )
|
|
return string.Empty;
|
|
|
|
Type newType = value.GetType();
|
|
|
|
DisplayNameAttribute displayNameAttribute = newType.GetCustomAttributes( false ).OfType<DisplayNameAttribute>().FirstOrDefault();
|
|
|
|
return (displayNameAttribute == null)
|
|
? newType.Name
|
|
: displayNameAttribute.DisplayName;
|
|
}
|
|
|
|
private object ConvertToSelectedObjectName( object value, CultureInfo culture )
|
|
{
|
|
if( value == null )
|
|
return String.Empty;
|
|
|
|
Type newType = value.GetType();
|
|
PropertyInfo[] properties = newType.GetProperties();
|
|
foreach( PropertyInfo property in properties )
|
|
{
|
|
if( property.Name == "Name" )
|
|
return property.GetValue( value, null );
|
|
}
|
|
|
|
return String.Empty;
|
|
}
|
|
|
|
public object ConvertBack( object value, Type targetType, object parameter, CultureInfo culture )
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|