AutoRankEditor.MainForm.ImportCondition C# (CSharp) Method

        static void ImportCondition( GroupNode parent, Condition condition ) {
            if( condition is ConditionIntRange ) {
                ConditionIntRange cond = (ConditionIntRange)condition;
                ConditionNode newNode = new ConditionNode {
                    Field = cond.Field,
                    Value = cond.Value,
                    Op = cond.Comparison
                };
                parent.Nodes.Add( newNode );
            } else if( condition is ConditionSet ) {
                ConditionSet set = (ConditionSet)condition;
                GroupNode newNode = new GroupNode();
                if( set is ConditionAND ) {
                    newNode.Op = GroupNodeType.AND;
                } else if( set is ConditionOR ) {
                    newNode.Op = GroupNodeType.OR;
                } else if( set is ConditionNAND ) {
                    newNode.Op = GroupNodeType.NAND;
                } else if( set is ConditionNOR ) {
                    newNode.Op = GroupNodeType.OR;
                } else {
                    return;
                }
                foreach( Condition subCondition in set.Conditions ) {
                    ImportCondition( newNode, subCondition );
                }
                parent.Nodes.Add(newNode);
            }
        }