private static void OnDataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (sender is TextBlock element && e.NewValue != null)
{
string propName = (string)element.GetValue(TargetProperty);
PropertyInfo prop = element.DataContext.GetType().GetProperty(propName);
SettingsEntryAttribute settingsEntry = prop.GetCustomAttribute <SettingsEntryAttribute>();
element.Text = settingsEntry.DisplayName;
element.ToolTip = settingsEntry.Tooltip;
}
}
static void OnTargetSet(DependencyObject depObj, DependencyPropertyChangedEventArgs e)
{
if (depObj is TextBlock element && e.NewValue is string propName && !String.IsNullOrEmpty(propName))
{
if (element.DataContext != null)
{
PropertyInfo prop = element.DataContext.GetType().GetProperty(propName);
SettingsEntryAttribute settingsEntry = prop.GetCustomAttribute <SettingsEntryAttribute>();
element.Text = settingsEntry.DisplayName;
element.ToolTip = settingsEntry.Tooltip;
}
else
{
element.DataContextChanged += OnDataContextChanged;
}
}
}
private static object GetDefaultValue(SettingsEntryAttribute attribute, Type settingsType)
{
var defaultValue = attribute.DefaultValue;
if (defaultValue != null)
{
var defaultValueType = defaultValue.GetType();
if (settingsType == typeof(DateTime) && defaultValueType == typeof(string))
{
defaultValue = DateTime.Parse((string)defaultValue);
}
if (settingsType == typeof(TimeSpan) && defaultValueType == typeof(string))
{
defaultValue = TimeSpan.Parse((string)defaultValue);
}
}
return(defaultValue);
}