Module: ActsAsTree::Presentation
- Defined in:
- lib/acts_as_tree.rb
Instance Method Summary collapse
-
#tree_view(label_method = :to_s, node = nil, level = -1)) ⇒ Object
show records in a tree view Example: root |_ child1 | |_ subchild1 | |_ subchild2 |_ child2 |_ subchild3 |_ subchild4.
Instance Method Details
#tree_view(label_method = :to_s, node = nil, level = -1)) ⇒ Object
show records in a tree view Example: root
|_ child1
| |_ subchild1
| |_ subchild2
|_ child2
|_ subchild3
|_ subchild4
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# File 'lib/acts_as_tree.rb', line 122 def tree_view(label_method = :to_s, node = nil, level = -1) if node.nil? puts "root" nodes = roots else label = "|_ #{node.send(label_method)}" if level == 0 puts " #{label}" else puts " |#{" "*level}#{label}" end nodes = node.children end nodes.each do |child| tree_view(label_method, child, level+1) end end |