private void SelectNextFragment()
{
var nextCodeFragment = FlatList.Find(CurrentCodeFragment)?.Next?.Value;
if (nextCodeFragment != null)
{
if (!CodeFragments.Contains(nextCodeFragment))
{
//if the next code fragment is not at the root level, set the root level parent to active
var parent = FindRelatedParent(nextCodeFragment);
if (parent != null)
{
parent.IsActive = true;
}
}
nextCodeFragment.IsSelected = true;
}
}
private void SelectPreviousFragment()
{
var previousCodeFragment = FlatList.Find(CurrentCodeFragment).Previous.Value;
if (previousCodeFragment != null)
{
if (!CodeFragments.Contains(previousCodeFragment))
{
//if the next code fragment is not at the root level, set the root level parent to active
var parent = FindRelatedParent(previousCodeFragment);
if (parent != null)
{
parent.IsActive = true;
}
}
previousCodeFragment.IsSelected = true;
}
}