Method IsRoot

core/tree.go:1239–1247

IsRoot returns true if given node is the root of the tree, creating an error snackbar if it is and action is non-empty.

(action string)

// IsRoot returns true if given node is the root of the tree,
// creating an error snackbar if it is and action is non-empty.
func (tr *Tree) IsRoot(action string) bool {
	if tr.This == tr.root.This {
		if action != "" {
			MessageSnackbar(tr, fmt.Sprintf("Cannot %v the root of the tree", action))
		}
		return true
	}
	return false
}

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