/// <summary>
/// Handler logic for when a new selected entry is set.
/// </summary>
/// <param name="entry"></param>
/// <returns></returns>
private void OnSelectedEntrySet(IPreferenceEntry entry)
{
if (this is IDatePreference)
{
((IDatePreference)this).Value = ((IDatePreferenceEntry)entry).Name;
}
else if (this is INumericPreference)
{
((INumericPreference)this).Value = ((INumericPreferenceEntry)entry).Name;
}
else if (this is IStringPreference)
{
((IStringPreference)this).Value = ((IStringPreferenceEntry)entry).Name;
}
}
/// <summary>
/// When overridden in a derived class, returns a <see cref="T:System.Windows.DataTemplate" /> based on custom logic.
/// </summary>
/// <param name="item">The data object for which to select the template.</param>
/// <param name="container">The data-bound object.</param>
/// <returns>
/// Returns a <see cref="T:System.Windows.DataTemplate" /> or null. The default value is null.
/// </returns>
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
FrameworkElement element = container as FrameworkElement;
IPreferenceEntry entry = item as IPreferenceEntry;
if (element == null || entry == null)
{
return(null);
}
if (entry.Parent.HasPreDefinedChoices && !entry.Parent.HasDirectlyEditableValue)
{
// Only predefined choices - regardless of whether they're numeric or not.
return(element.FindResource("PredefinedStringEntryTemplate") as DataTemplate);
}
else if (!entry.Parent.HasPreDefinedChoices && entry.Parent.HasDirectlyEditableValue && entry.Parent.IsNumeric)
{
// Numeric value the user can edit.
return(element.FindResource("NumericEntryTemplate") as DataTemplate);
}
else if (entry.Parent.HasPreDefinedChoices && entry.Parent.HasDirectlyEditableValue && !entry.Parent.IsNumeric)
{
//Predefined choices, directly editable values and is NOT numeric.
}
else if (entry.Parent.HasPreDefinedChoices && entry.Parent.HasDirectlyEditableValue && entry.Parent.IsNumeric)
{
//Predefined choices, directly editable values and is numeric.
return(element.FindResource("NumericPredefinedWithOverridePreferenceEntryTemplate") as DataTemplate);
}
else if (!entry.Parent.HasPreDefinedChoices && entry.Parent.HasDirectlyEditableValue && !entry.Parent.IsNumeric)
{
// Plain string that the user can edit
return(element.FindResource("PlainStringEntryTemplate") as DataTemplate);
}
return(null);
}
