public PriorityValue(
IAvaloniaObject owner,
StyledPropertyBase <T> property,
IValueSink sink,
IPriorityValueEntry <T> existing)
: this(owner, property, sink)
{
existing.Reparent(this);
_entries.Add(existing);
if (existing is IBindingEntry binding &&
existing.Priority == BindingPriority.LocalValue)
{
// Bit of a special case here: if we have a local value binding that is being
// promoted to a priority value we need to make sure the binding is subscribed
// even if we've got a batch operation in progress because otherwise we don't know
// whether the binding or a subsequent SetValue with local priority will win. A
// notification won't be sent during batch update anyway because it will be
// caught and stored for later by the ValueStore.
binding.Start(ignoreBatchUpdate: true);
}
var v = existing.GetValue();
if (v.HasValue)
{
_value = v;
Priority = existing.Priority;
}
}
void IValueSink.Completed <T>(
StyledPropertyBase <T> property,
IPriorityValueEntry entry,
Optional <T> oldValue)
{
((IValueSink)this).ValueChanged(property, BindingPriority.Unset, oldValue, default);
}
void IValueSink.Completed <TValue>(
StyledPropertyBase <TValue> property,
IPriorityValueEntry entry,
Optional <TValue> oldValue)
{
_entries.Remove((IPriorityValueEntry <T>)entry);
UpdateEffectiveValue();
}
public void Completed(StyledPropertyBase <T> property, IPriorityValueEntry entry, Optional <T> oldValue)
{
if (_store is not null)
{
_store?.Completed(property, entry, oldValue);
}
else
{
_priorityValue !.Completed(entry, oldValue);
}
}
public PriorityValue(
IAvaloniaObject owner,
StyledPropertyBase <T> property,
IValueSink sink,
IPriorityValueEntry <T> existing)
: this(owner, property, sink)
{
existing.Reparent(this);
_entries.Add(existing);
if (existing.Value.HasValue)
{
Value = existing.Value;
ValuePriority = existing.Priority;
}
}
void IValueSink.Completed(AvaloniaProperty property, IPriorityValueEntry entry)
{
}
void IValueSink.Completed(AvaloniaProperty property, IPriorityValueEntry entry)
{
_entries.Remove((IPriorityValueEntry <T>)entry);
UpdateEffectiveValue();
}
public void Completed <T>(StyledPropertyBase <T> property, IPriorityValueEntry entry, Optional <T> oldValue)
{
}
