void InitIfNeeded()
{
if (!m_Initialized)
{
// Check if it already exists (deserialized from window layout file or scriptable object)
if (m_TreeViewState == null)
{
m_TreeViewState = new TreeViewState();
}
bool firstInit = m_MultiColumnHeaderState == null;
var headerState = ATTabelView.CreateDefaultMultiColumnHeaderState();
if (MultiColumnHeaderState.CanOverwriteSerializedFields(m_MultiColumnHeaderState, headerState))
{
MultiColumnHeaderState.OverwriteSerializedFields(m_MultiColumnHeaderState, headerState);
}
m_MultiColumnHeaderState = headerState;
var multiColumnHeader = new MultiColumnHeader(headerState);
if (firstInit)
{
multiColumnHeader.ResizeToFit();
}
m_SimpleTreeView = new ATTabelView(m_TreeViewState, multiColumnHeader, testList);
m_SearchField = new SearchField();
m_SearchField.downOrUpArrowKeyPressed += m_SimpleTreeView.SetFocusAndEnsureSelectedItem;
m_Initialized = true;
}
}