public static InputActionTreeView Create(SerializedProperty actionSetProperty, Action applyAction, ref TreeViewState treeViewState, ref MultiColumnHeaderState headerViewState)
{
if (treeViewState == null)
{
treeViewState = new TreeViewState();
}
var newHeaderState = CreateHeaderState();
if (headerViewState != null)
{
MultiColumnHeaderState.OverwriteSerializedFields(headerViewState, newHeaderState);
}
headerViewState = newHeaderState;
var header = new MultiColumnHeader(headerViewState);
var treeView = new InputActionTreeView(actionSetProperty, applyAction, treeViewState, header);
// Expand all action set items.
foreach (var item in treeView.rootItem.children)
{
treeView.SetExpanded(item.id, true);
}
return(treeView);
}
private void InitializeActionTreeView()
{
m_ActionTreeView = InputActionTreeView.Create(serializedObject.FindProperty("m_ActionSets"), Apply,
ref m_ActionTreeViewState, ref m_ActionTreeViewHeaderState);
}