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Contents
module OrderedTree
module InstanceMethods
module Destroy
## Destroy Methods
# sends immediate children to the 'roots' list, then destroy's self
def destroy_and_orphan_children
self.class.transaction do
orphan_children
self.destroy
end
end
# hands immediate children of to it's parent, then destroy's self
def destroy_and_parent_adopts_children
self.class.transaction do
parent_adopts_children
self.destroy
end
end
def reorder_children
self.class.transaction do
children(true).each do |child|
new_position = children.index(child) + 1
child.update_attribute(order_column, new_position) if (child.position_in_list != new_position)
end
end
end
protected
def destroy_descendants #:nodoc:
# before_destroy callback (recursive)
@old_parent = self.class.find(self).parent || 'root'
self.children(true).each{|child| child.destroy}
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems