module ModelMixins::TreeNodeClassMethods
Public Instance Methods
child_nodes(id)
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# File lib/model_mixins/tree_node_class_methods.rb, line 3 def child_nodes(id) where(:parent_node_id => id.to_i).order("position ASC") end
create_node(params)
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# File lib/model_mixins/tree_node_class_methods.rb, line 22 def create_node(params) node = self.create(:parent_node_id => params['id'].to_i, :position => params['position'].to_i, :name => params['title']) {:status => "ok", :id => node.id, "data-settings" => node.to_json} end
get_children(id)
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# File lib/model_mixins/tree_node_class_methods.rb, line 8 def get_children(id) nodes = [] self.child_nodes(id).each do |tree_node| tree_node_name = tree_node.name.blank? ? I18.t('name_missing') : tree_node.name tree_node_state = tree_node.has_children? ? "closed" : "" nodes << {:attr => {:id => tree_node.id, :rel => "default", "data-settings" => tree_node.to_json}, :data => tree_node_name, :state => tree_node_state} end nodes end
move_node(params)
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# File lib/model_mixins/tree_node_class_methods.rb, line 45 def move_node(params) node = self.find(params['id'].to_i) # backup for control if something changed node.old_position = node.position node.old_parent_node_id = node.parent_node_id if params['ref'].to_i == 0 #root node.parent_node_id = 0 else new_parent_node = self.find(params['ref'].to_i) node.parent_node = new_parent_node end node.position = params['position'].to_i node.save {:status => "ok"} end
remove_node(id)
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# File lib/model_mixins/tree_node_class_methods.rb, line 29 def remove_node(id) node = self.find(id) node.deleting_root = true node.remove_child_nodes {:status => "ok"} end
rename_node(params)
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# File lib/model_mixins/tree_node_class_methods.rb, line 37 def rename_node(params) node = self.find(params['id'].to_i) node.name = params['title'] node.save {:status => "ok"} end
search_node()
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# File lib/model_mixins/tree_node_class_methods.rb, line 18 def search_node end