JD2022-TU1/main/tools/framework/JD.TeaBoxAddinSystem/Addins/Description/Conditions/CompositeCondition.cs

using System;
using System.Text;

namespace JD.TeaBoxAddinSystem.Addins.Description.Conditions
{
    /// <summary>
    /// Base class for composite conditions.
    /// </summary>
    public abstract class CompositeCondition : Condition
    {
        #region Variables

        private readonly Condition[] m_innerConditions;

        #endregion

        #region Constructor

        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="innerConditions">Inner conditions.</param>
        protected CompositeCondition(params Condition[] innerConditions)
        {
            m_innerConditions = innerConditions;

            if (m_innerConditions == null)
            {
                m_innerConditions = new Condition[0];
            }
        }

        #endregion

        #region Properties

        /// <summary>
        /// Inner Conditions.
        /// </summary>
        public Condition[] InnerConditions
        {
            get
            {
                return m_innerConditions;
            }
        }

        /// <summary>
        /// Separator used for ToString().
        /// </summary>
        protected virtual string Separator
        {
            get
            {
                return string.Empty;
            }
        }

        #endregion

        #region Methods

        internal override void GetConditionNodeDescriptions(System.Collections.Generic.IList<ConditionNodeDescription> listToFill)
        {
            foreach (Condition condition in InnerConditions)
            {
                condition.GetConditionNodeDescriptions(listToFill);
            }
        }

        internal override void OnModuleChanged(EventArgs e)
        {
            foreach (Condition condition in InnerConditions)
            {
                condition.Module = Module;
            }

            base.OnModuleChanged(e);
        }
        
        /// <summary>
        /// Overriden.
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            StringBuilder builder = new StringBuilder();
            builder.Append('[');

            foreach (Condition condition in InnerConditions)
            {
                builder.Append(condition);
                builder.AppendFormat(" {0} ", Separator);
            }

            if (InnerConditions.Length > 0)
            {
                int length = Separator.Length + 2;
                builder.Remove(builder.Length - length, length);
            }

            builder.Append(']');
            return builder.ToString();
        }

        #endregion
    }
}