indexOf method
Returns the index of node in TreeViewControllerBase.visibleNodes,
-1 if not present.
Take a look at TreeViewControllerBase.useBinarySearch if your
TreeNode.id's are ASCII
formatted and sorted.
Implementation
int indexOf(TreeNode node) {
if (useBinarySearch) {
return binarySearch(_visibleNodes, node);
}
return _visibleNodes.indexOf(node);
}