public virtual void InitIfNeeded()
{
if (m_VisibleRows != null && !m_NeedRefreshVisibleFolders)
{
return;
}
if (m_RootItem != null)
{
m_VisibleRows = !m_TreeView.isSearching
? ExpandedRows(m_RootItem)
: Search(m_RootItem, m_TreeView.searchString.ToLower());
}
else
{
Debug.LogError("TreeView root item is null. Ensure that your TreeViewDataSource sets up at least a root item.");
m_VisibleRows = new List <TreeViewItem>();
}
m_NeedRefreshVisibleFolders = false;
if (onVisibleRowsChanged != null)
{
onVisibleRowsChanged();
}
m_TreeView.Repaint();
}