module ModelMixins::TreeNodeInstanceMethods
Public Instance Methods
child_nodes()
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# File lib/model_mixins/tree_node_instance_methods.rb, line 54 def child_nodes self.class.child_nodes(self.id) end
create_resource()
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# File lib/model_mixins/tree_node_instance_methods.rb, line 22 def create_resource if self.symlink_controller.blank? node_resource = Intranet::TextPage.create(:name => self.name) self.resource = node_resource self.symlink_controller = "text_pages" self.symlink_id = node_resource.id.to_s end end
has_children?()
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# File lib/model_mixins/tree_node_instance_methods.rb, line 58 def has_children? self.class.child_nodes(self.id).count > 0 end
remove_child_nodes()
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# File lib/model_mixins/tree_node_instance_methods.rb, line 63 def remove_child_nodes if has_children? child_nodes.each do |child_node| child_node.remove_child_nodes end end remove_one_node end
remove_one_node()
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# File lib/model_mixins/tree_node_instance_methods.rb, line 72 def remove_one_node destroy end
set_positions_after_destroy()
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# File lib/model_mixins/tree_node_instance_methods.rb, line 44 def set_positions_after_destroy if !deleting_root.blank? && deleting_root self.class.child_nodes(parent_node_id).where("position > ?", position).each do |node| node.position -= 1 node.save end end end
set_positions_after_move()
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# File lib/model_mixins/tree_node_instance_methods.rb, line 31 def set_positions_after_move if !old_position.blank? && !old_parent_node_id.blank? self.class.child_nodes(old_parent_node_id).where("position > ?", old_position).each do |node| node.position -= 1 node.save end self.class.child_nodes(parent_node_id).where("position >= ?", position).each do |node| node.position += 1 node.save end end end