/// <summary>
/// This function returns the properly prepared output of the markup extension.
/// </summary>
public object FormatOutput()
{
object result = null;
if (targetInfo == null)
{
return(null);
}
var targetObject = targetInfo.TargetObject as DependencyObject;
// Get target type. Change ImageSource to BitmapSource in order to use our own converter.
Type targetType = targetInfo.TargetPropertyType;
if (targetType.Equals(typeof(System.Windows.Media.ImageSource)))
{
targetType = typeof(BitmapSource);
}
// Try to get the localized input from the resource.
string resourceKey = this.Key;
CultureInfo ci = GetForcedCultureOrDefault();
// Extract the names of the endpoint object and property
string epName = "";
string epProp = "";
if (targetObject is FrameworkElement)
{
epName = (string)((FrameworkElement)targetObject).GetValue(FrameworkElement.NameProperty);
}
#if SILVERLIGHT
#else
else if (targetObject is FrameworkContentElement)
{
epName = (string)((FrameworkContentElement)targetObject).GetValue(FrameworkContentElement.NameProperty);
}
#endif
if (targetInfo.TargetProperty is PropertyInfo)
{
epProp = ((PropertyInfo)targetInfo.TargetProperty).Name;
}
#if SILVERLIGHT
else if (targetInfo.TargetProperty is DependencyProperty)
{
epProp = ((DependencyProperty)targetInfo.TargetProperty).ToString();
}
#else
else if (targetInfo.TargetProperty is DependencyProperty)
{
epProp = ((DependencyProperty)targetInfo.TargetProperty).Name;
}
#endif
// What are these names during design time good for? Any suggestions?
if (epProp.Contains("FrameworkElementWidth5"))
{
epProp = "Height";
}
else if (epProp.Contains("FrameworkElementWidth6"))
{
epProp = "Width";
}
else if (epProp.Contains("FrameworkElementMargin12"))
{
epProp = "Margin";
}
string resKeyBase = ci.Name + ":" + targetType.Name + ":";
string resKeyNameProp = epName + LocalizeDictionary.GetSeparation(targetObject) + epProp;
string resKeyName = epName;
// Check, if the key is already in our resource buffer.
object input = null;
if (!String.IsNullOrEmpty(resourceKey))
{
// We've got a resource key. Try to look it up or get it from the dictionary.
if (ResourceBuffer.ContainsKey(resKeyBase + resourceKey))
{
result = ResourceBuffer[resKeyBase + resourceKey];
}
else
{
input = LocalizeDictionary.Instance.GetLocalizedObject(resourceKey, targetObject, ci);
resKeyBase += resourceKey;
}
}
else
{
// Try the automatic lookup function.
// First, look for a resource entry named: [FrameworkElement name][Separator][Property name]
if (ResourceBuffer.ContainsKey(resKeyBase + resKeyNameProp))
{
result = ResourceBuffer[resKeyBase + resKeyNameProp];
}
else
{
// It was not stored in the buffer - try to retrieve it from the dictionary.
input = LocalizeDictionary.Instance.GetLocalizedObject(resKeyNameProp, targetObject, ci);
if (input == null)
{
// Now, try to look for a resource entry named: [FrameworkElement name]
// Note - this has to be nested here, as it would take precedence over the first step in the buffer lookup step.
if (ResourceBuffer.ContainsKey(resKeyBase + resKeyName))
{
result = ResourceBuffer[resKeyBase + resKeyName];
}
else
{
input = LocalizeDictionary.Instance.GetLocalizedObject(resKeyName, targetObject, ci);
resKeyBase += resKeyName;
}
}
else
{
resKeyBase += resKeyNameProp;
}
}
}
// If no result was found, convert the input and add it to the buffer.
if (result == null && input != null)
{
result = this.Converter.Convert(input, targetType, this.ConverterParameter, ci);
ResourceBuffer.Add(resKeyBase, result);
}
return(result);
}
/// <summary>
/// This function returns the properly prepared output of the markup extension.
/// </summary>
/// <param name="info">Information about the target.</param>
/// <param name="endPoint">Information about the endpoint.</param>
public override object FormatOutput(TargetInfo endPoint, TargetInfo info)
{
object result = null;
if (endPoint == null)
{
return(null);
}
else
{
lastEndpoint = SafeTargetInfo.FromTargetInfo(endPoint);
}
var targetObject = endPoint.TargetObject as DependencyObject;
// Get target type. Change ImageSource to BitmapSource in order to use our own converter.
var targetType = info.TargetPropertyType;
if (targetType.Equals(typeof(System.Windows.Media.ImageSource)))
{
targetType = typeof(BitmapSource);
}
// In case of a list target, get the correct list element type.
if ((info.TargetPropertyIndex != -1) && typeof(IList).IsAssignableFrom(info.TargetPropertyType))
{
targetType = info.TargetPropertyType.GetGenericArguments()[0];
}
// Try to get the localized input from the resource.
var resourceKey = LocalizeDictionary.Instance.GetFullyQualifiedResourceKey(this.Key, targetObject);
var ci = GetForcedCultureOrDefault();
// Extract the names of the endpoint object and property
var epProp = GetPropertyName(endPoint.TargetProperty);
var epName = "";
if (endPoint.TargetObject is FrameworkElement)
{
epName = ((FrameworkElement)endPoint.TargetObject).GetValueSync <string>(FrameworkElement.NameProperty);
}
else if (endPoint.TargetObject is FrameworkContentElement)
{
epName = ((FrameworkContentElement)endPoint.TargetObject).GetValueSync <string>(FrameworkContentElement.NameProperty);
}
var resKeyBase = ci.Name + ":" + targetType.Name + ":";
// Check, if the key is already in our resource buffer.
object input = null;
var isDefaultConverter = this.Converter is DefaultConverter;
if (!String.IsNullOrEmpty(resourceKey))
{
// We've got a resource key. Try to look it up or get it from the dictionary.
if (isDefaultConverter && ResourceBuffer.ContainsKey(resKeyBase + resourceKey))
{
result = ResourceBuffer[resKeyBase + resourceKey];
}
else
{
input = LocalizeDictionary.Instance.GetLocalizedObject(resourceKey, targetObject, ci);
resKeyBase += resourceKey;
}
}
else
{
var resKeyNameProp = LocalizeDictionary.Instance.GetFullyQualifiedResourceKey(epName + LocalizeDictionary.GetSeparation(targetObject) + epProp, targetObject);
// Try the automatic lookup function.
// First, look for a resource entry named: [FrameworkElement name][Separator][Property name]
if (isDefaultConverter && ResourceBuffer.ContainsKey(resKeyBase + resKeyNameProp))
{
result = ResourceBuffer[resKeyBase + resKeyNameProp];
}
else
{
// It was not stored in the buffer - try to retrieve it from the dictionary.
input = LocalizeDictionary.Instance.GetLocalizedObject(resKeyNameProp, targetObject, ci);
if (input == null)
{
var resKeyName = LocalizeDictionary.Instance.GetFullyQualifiedResourceKey(epName, targetObject);
// Now, try to look for a resource entry named: [FrameworkElement name]
// Note - this has to be nested here, as it would take precedence over the first step in the buffer lookup step.
if (isDefaultConverter && ResourceBuffer.ContainsKey(resKeyBase + resKeyName))
{
result = ResourceBuffer[resKeyBase + resKeyName];
}
else
{
input = LocalizeDictionary.Instance.GetLocalizedObject(resKeyName, targetObject, ci);
resKeyBase += resKeyName;
}
}
else
{
resKeyBase += resKeyNameProp;
}
}
}
// If no result was found, convert the input and add it to the buffer.
if (result == null)
{
if (input != null)
{
result = this.Converter.Convert(input, targetType, this.ConverterParameter, ci);
if (isDefaultConverter)
{
SafeAddItemToResourceBuffer(resKeyBase, result);
}
}
else
{
if (LocalizeDictionary.Instance.OnNewMissingKeyEvent(this, key))
{
UpdateNewValue();
}
if (!string.IsNullOrEmpty(key) && (targetType == typeof(String) || targetType == typeof(object)))
{
result = "Key: " + key;
}
}
}
return(result);
}
