// clear the code hashset as it will need to be initialized
private static void ItemsSourcePropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
IEnumerable source = e.NewValue as IEnumerable;
EditSelector control = sender as EditSelector;
if (source == null || control == null)
{
return;
}
control.codes = null;
control.codesDict = null;
}
// initialize the delimiter data structures
private static void DelimiterPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
EditSelector control = sender as EditSelector;
if (e.NewValue == null || control == null)
{
return;
}
// used in Split
control.delimiters = new char[] { (char)e.NewValue };
// used to recreate the delimited text (offset by space for readability)
control.delimiterString = (char)e.NewValue + " ";
}
private static void SelectedItemsPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
IList source = e.NewValue as IList;
EditSelector control = sender as EditSelector;
if (source == null || control == null)
{
return;
}
control.EditTextBox.TextChanged -= control.EditTextBox_TextChanged;
control.ConvertSelectedItemstoText();
control.EditTextBox.TextChanged += control.EditTextBox_TextChanged;
}
// clear the codes hashset
private static void CodeMemberPathPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
string source = e.NewValue as string;
string old = e.OldValue as string;
EditSelector control = sender as EditSelector;
if (source == null || control == null)
{
return;
}
// clear the hashset as the data structure will need to be initialized
control.codes = null;
control.codesDict = null;
}
// initialize the plus button access key
private static void PlusButtonAccessKeyPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
string source = e.NewValue as string;
string old = e.OldValue as string;
EditSelector control = sender as EditSelector;
if (source == null || control == null)
{
return;
}
// set the access key for the plus button
AccessKeyManager.Register(source, control.PlusButton);
// unregister the old access key if present
if (old != null)
{
AccessKeyManager.Unregister(old, control.PlusButton);
}
}
