RemoveFileCommand.cs :  » Network-Clients » iReaper » IReaper » Command » C# / CSharp Open Source

using System;
using System.Collections.Generic;
using System.Text;
using IReaper.FileData;
using IReaper.Statues;
using System.ComponentModel;

namespace IReaper.Command{
    /// <summary>
    /// Command
    /// </summary>
    class RemoveFileCommand:CommandBase
    {
        /// <summary>
        /// Command_RemoveFile
        /// </summary>
        public override CommandFamily Family
        {
            get { return CommandFamily.Command_RemoveFile; }
        }
        /*
         * RemoveFileCommand
         */
        /// <summary>
        /// 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="paras"></param>
        public override void CommandBody(object sender, 
                            params object[] paras)//1.
        {
            if (paras == null || paras.Length != 2)
                return;
            //get files
            IList<CourseFileData> Files = paras[0] as IList<CourseFileData>;
            if (Files == null)
            {
                return;
            }
            //get task type
            if (!Enum.IsDefined(typeof(RemoveFileTaskTypeEnum), paras[1]))
            {
                return;
            }
            RemoveFileTaskTypeEnum taskType = (RemoveFileTaskTypeEnum)paras[1];
            // Filter
            for (int i = 0; i < Files.Count;)
            {
                if (IsValidated(Files[i], taskType))
                {
                    i++;
                }
                else
                {
                    Files.RemoveAt(i);
                }
            }

            RemoveFileWork work = new RemoveFileWork();
            work.Data = Files;
            BindBackgroundWorker(work);
            work.RunWorkerAsync();
        }

        /// <summary>
        /// CourseFileDataRemoveFileTaskTypeEnum 
        /// </summary>
        /// <param name="cfd"></param>
        /// <param name="?"></param>
        /// <returns></returns>
        private static bool IsValidated(CourseFileData cfd,RemoveFileTaskTypeEnum TaskType)
        {
            //empty file get false result
            if (cfd == null)
            { return false; }
            //check by path.
            switch (TaskType)
            { 
                case RemoveFileTaskTypeEnum.Completed:
                    return CourseFileData.IsCourseFileFinished(cfd);
                case RemoveFileTaskTypeEnum.Incompleted:
                    return CourseFileData.IsCourseFileRunnable(cfd);
                default:
                    return false;
            }
        }
    }

    /// <summary>
    /// 
    /// </summary>
    public enum RemoveFileTaskTypeEnum
    { 
        /// <summary>
        /// 
        /// </summary>
        Completed,
        /// <summary>
        /// 
        /// </summary>
        Incompleted
    }
}