/// ------------------------------------------------------------------------------------
public virtual string GetStringValue(string key, string defaultValue)
{
string computedValue = null;
var computedFieldInfo =
FileType.GetComputedFields().FirstOrDefault(computedField => computedField.Key == key);
if (computedFieldInfo != null && StatisticsProvider != null)
{
var mediaFileInfo = StatisticsProvider.GetFileData(PathToAnnotatedFile);
if (mediaFileInfo != null)
{
if (mediaFileInfo.Audio == null &&
PathToAnnotatedFile.EndsWith(Settings.Default.OralAnnotationGeneratedFileSuffix))
{
return("Not Generated");
}
// Get the computed value (if there is one).
computedValue = computedFieldInfo.GetFormatedStatProvider(
mediaFileInfo, computedFieldInfo.DataItemChooser, computedFieldInfo.Suffix);
}
}
// Get the value from the metadata file.
var field = MetaDataFieldValues.FirstOrDefault(v => v.FieldId == key);
var savedValue = (field == null ? defaultValue : field.ValueAsString);
if (!string.IsNullOrEmpty(computedValue))
{
// If the computed value is different from the value found in the metadata
// file, then save the computed value to the metadata file.
if (computedValue != savedValue)
{
// REVIEW: We probably don't want to save the formatted value to the
// metadata file, which is what we're doing here. In the future we'll
// probably want to change things to save the raw computed value.
SetStringValue(key, computedValue);
Save();
return(computedValue);
}
}
return(savedValue);
}
/// ------------------------------------------------------------------------------------
public virtual object GetValue(string key, object defaultValue)
{
var field = MetaDataFieldValues.FirstOrDefault(v => v.FieldId == key);
return(field == null ? defaultValue : field.Value);
}