/// <summary>
/// Return the value associated with the key from the resource manager
/// </summary>
/// <returns>The value from the resources if possible otherwise the default value</returns>
protected override object GetValue()
{
if (LogHelper.CanDebug())
{
LogHelper.Begin("LocalizationExtension.GetValue", "ResModul:{0}, Key:{1}, DefaultValue:{2}", ResModul, Key, DefaultValue);
}
if (string.IsNullOrEmpty(Key))
{
throw new ArgumentException("Key cannot be null");
}
object result = null;
IResourceProvider provider = null;
if (IsInDesignMode)
{
return(DefaultValue);
}
try
{
object resource = null;
//allow resource trapping by calling the handler
if (GetResource != null)
{
resource = GetResource(ResModul, Key, CultureManager.Instance.UICulture);
}
if (resource == null)
{
//get the provider
if (provider == null)
{
provider = CultureManager.Instance.Provider;
}
//get the localized resource
if (provider != null)
{
resource = provider.GetObject(this, CultureManager.Instance.UICulture);
}
}
//and then convert it to desired type
result = provider.ConvertValue(this, resource);
}
catch (Exception err)
{
LogHelper.Manage("LocalizationExtension.GetValue", err);
}
try
{
// if it does not work, we ask the default value
if (result == null)
{
result = provider.GetDefaultValue(this, CultureManager.Instance.UICulture);
}
}
catch (Exception err)
{
LogHelper.Manage("LocalizationExtension.GetValue", err);
}
LogHelper.End("LocalizationExtension.GetValue");
return(result);
}