private void ReadValuesFromResources()
{
if (m_resourceType == null || m_enumType == null)
{
return;
}
ResourceManager resourceManager = new ResourceManager(m_resourceType);
foreach (EnumItem item in this)
{
if (item.Value != null)
{
String resourceName = EnumType.Name + "_" + item.Value.ToString();
Object itemResource = resourceManager.GetObject(resourceName);
if (itemResource != null)
{
if (itemResource is Bitmap)
{
item.DisplayValue = ImageSourceHelpers.CreateFromBitmap((Bitmap)itemResource);
}
else if (itemResource is Icon)
{
item.DisplayValue = ImageSourceHelpers.CreateFromIcon((Icon)itemResource);
}
else
{
item.DisplayValue = itemResource;
}
}
else
{
Debug.Print("{0}: Failed to find a matching resource '{1}' for enum item '{2}' in resource file '{3}'.",
GetType().Name, resourceName, item.Value, resourceManager.BaseName);
}
}
}
if (m_comparer != null)
{
Sort(m_comparer);
}
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
EnumItem item = value as EnumItem;
if (item != null)
{
if (destinationType == typeof(String))
{
return(item.ToString());
}
if (destinationType == typeof(UIElement))
{
object displayValue = item.DisplayValue;
if (displayValue == null || displayValue is String)
{
TextBlock textBlock = new TextBlock();
textBlock.Text = item.ToString();
return(textBlock);
}
else if (displayValue is UIElement)
{
if (VisualTreeHelper.GetParent((UIElement)displayValue) != null)
{
// Clone UIElement to allow it to be used several times.
string str = XamlWriter.Save(displayValue);
StringReader sr = new StringReader(str);
XmlReader xr = XmlReader.Create(sr);
UIElement ret = (UIElement)XamlReader.Load(xr);
return(ret);
}
else
{
return(displayValue);
}
}
if (displayValue is DataTemplate)
{
ContentPresenter presenter = new ContentPresenter();
presenter.Content = item;
presenter.ContentTemplate = (DataTemplate)displayValue;
return(presenter);
}
else if (displayValue is Style)
{
TextBlock textBlock = new TextBlock();
textBlock.Style = (Style)displayValue;
textBlock.Text = item.ToString();
return(textBlock);
}
else if (displayValue is ImageSource)
{
System.Windows.Controls.Image image = new System.Windows.Controls.Image();
image.Source = (ImageSource)displayValue;
return(image);
}
else if (displayValue is Drawing)
{
System.Windows.Controls.Image image = new System.Windows.Controls.Image();
image.Source = new DrawingImage((Drawing)displayValue);
return(image);
}
else if (displayValue is System.Windows.Media.Brush)
{
TextBlock textBlock = new TextBlock();
textBlock.Background = (System.Windows.Media.Brush)displayValue;
textBlock.Text = item.ToString();
return(textBlock);
}
else if (displayValue is Bitmap)
{
System.Windows.Controls.Image image = new System.Windows.Controls.Image();
image.Source = ImageSourceHelpers.CreateFromBitmap((Bitmap)displayValue);
return(image);
}
else if (displayValue is Icon)
{
Icon icon = (Icon)displayValue;
System.Windows.Controls.Image image = new System.Windows.Controls.Image();
image.Source = ImageSourceHelpers.CreateFromIcon(icon);
return(image);
}
else
{
TypeConverter converter = TypeDescriptor.GetConverter(displayValue);
if (converter.CanConvertTo(typeof(UIElement)))
{
UIElement element = converter.ConvertTo(displayValue, typeof(UIElement)) as UIElement;
if (element != null)
{
return(element);
}
}
String text;
if (converter.CanConvertTo(typeof(string)))
{
text = converter.ConvertToString(context, culture, displayValue);
}
else
{
text = displayValue.ToString();
}
TextBlock textBlock = new TextBlock();
textBlock.Text = text;
return(textBlock);
}
}
throw new InvalidOperationException("Unable to convert item value to destination type.");
}
return(null);
}