def init_collection(column_filter)
        column_filter.split('+').each do |f|
          category, filter = f.split(':')
          collection[category] = { entries: [], filter: ColumnFilter.new(filter) }
        end 
      end
def init_collection(column_filter)
        column_filter.split('+').each do |f|
          category, filter = f.split(':')
          collection[category] = { entries: [], filter: ColumnFilter.new(filter) }
        end 
      end
def init_collection ( column_filter ) column_filter . split ( '+' ) . each do | f | category , filter = f . split ( ':' ) collection [ category ] = { entries : [ ] , filter : ColumnFilter . new ( filter ) } end end
Initializes the collection
Initializes the collection