void Apply(KeyboardNavigationOperation op, EventBase sourceEvent)
{
if (Apply(op))
{
sourceEvent.StopPropagation();
sourceEvent.PreventDefault();
}
}
void Invoke(KeyboardNavigationOperation operation, EventBase evt)
{
if (operation == KeyboardNavigationOperation.None)
{
return;
}
m_Action?.Invoke(operation, evt);
}
void Apply(KeyboardNavigationOperation op, EventBase sourceEvent)
{
if (!Apply(op))
{
return;
}
sourceEvent.StopImmediatePropagation();
sourceEvent.PreventDefault();
}
bool Apply(KeyboardNavigationOperation op)
{
var selectedIndex = GetSelectedIndex();
void UpdateSelectionDown(int newIndex)
{
while (newIndex < m_Items.Count)
{
if (m_Items[newIndex].element.enabledSelf)
{
ChangeSelectedIndex(newIndex, selectedIndex);
break;
}
++newIndex;
}
}
void UpdateSelectionUp(int newIndex)
{
while (newIndex >= 0)
{
if (m_Items[newIndex].element.enabledSelf)
{
ChangeSelectedIndex(newIndex, selectedIndex);
break;
}
--newIndex;
}
}
switch (op)
{
case KeyboardNavigationOperation.Cancel:
Hide(true);
return(true);
case KeyboardNavigationOperation.Submit:
var item = m_Items[selectedIndex];
if (selectedIndex >= 0 && item.element.enabledSelf)
{
item.action?.Invoke();
item.actionUserData?.Invoke(item.element.userData);
}
Hide(true);
return(true);
case KeyboardNavigationOperation.Previous:
UpdateSelectionUp(selectedIndex < 0 ? m_Items.Count - 1 : selectedIndex - 1);
return(true);
case KeyboardNavigationOperation.Next:
UpdateSelectionDown(selectedIndex + 1);
return(true);
case KeyboardNavigationOperation.PageUp:
case KeyboardNavigationOperation.Begin:
UpdateSelectionDown(0);
return(true);
case KeyboardNavigationOperation.PageDown:
case KeyboardNavigationOperation.End:
UpdateSelectionUp(m_Items.Count - 1);
return(true);
}
return(false);
}
bool Apply(KeyboardNavigationOperation op)
{
switch (op)
{
case KeyboardNavigationOperation.None:
case KeyboardNavigationOperation.SelectAll:
break;
case KeyboardNavigationOperation.Cancel:
editorWindow.Close();
break;
case KeyboardNavigationOperation.Submit:
if (m_SelectedIndex < 0)
{
return(false);
}
onSelectionChanged?.Invoke(m_Items[m_SelectedIndex].value);
editorWindow.Close();
break;
case KeyboardNavigationOperation.Previous:
{
return(SelectPreviousDisplayedItem() ||
SelectLastDisplayedItem());
}
case KeyboardNavigationOperation.Next:
{
return(SelectNextDisplayedItem() ||
SelectFirstDisplayedItem());
}
case KeyboardNavigationOperation.PageUp:
{
// ReSharper disable once ConditionIsAlwaysTrueOrFalse
return(SelectPreviousDisplayedItem(10) ||
SelectFirstDisplayedItem() ||
true);
}
case KeyboardNavigationOperation.PageDown:
{
// ReSharper disable once ConditionIsAlwaysTrueOrFalse
return(SelectNextDisplayedItem(10) ||
SelectLastDisplayedItem() ||
true);
}
case KeyboardNavigationOperation.Begin:
{
SelectFirstDisplayedItem();
return(true);
}
case KeyboardNavigationOperation.End:
{
SelectLastDisplayedItem();
return(true);
}
}
return(false);
}
void Invoke(KeyboardNavigationOperation operation, EventBase evt)
{
m_Action?.Invoke(operation, evt);
}
