expandAllChildren method
Utility method for programmatically expanding all the child nodes. By default
only the immediate children of the node will be expanded.
Set recursive
to true expanding all the child nodes until the leaf is
reached.
Implementation
void expandAllChildren(Tree node, {bool recursive = false}) {
expandNode(node);
for (final child in node.childrenAsList) {
expandNode(child as Tree);
if (child.childrenAsList.isNotEmpty)
expandAllChildren(child, recursive: recursive);
}
}