Method: JSON::Editor::PopUpMenu#insert_new_node

Defined in:
lib/json/editor.rb

#insert_new_node(item) ⇒ Object

Insert a new node into an Array before the selected element.



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# File 'lib/json/editor.rb', line 417

def insert_new_node(item)
  if current = selection.selected
    parent = current.parent or return
    parent_parent = parent.parent
    parent_type = parent.type
    if parent_type == 'Array'
      selected_index = parent.each_with_index do |c, i|
        break i if c == current
      end
      type, content = ask_for_element(parent)
      type or return
      iter = model.insert_before(parent, current)
      iter.type, iter.content = type, content
      toplevel.display_status("Inserted an element to " +
        "'#{parent_type}' before index #{selected_index}.")
      window.change
    else
      toplevel.display_status(
        "Cannot insert node below '#{parent_type}'!")
    end
  else
      toplevel.display_status("Append a node into the root first!")
  end
end