FileDataGridContextMenu.cs :  » Network-Clients » iReaper » IReaper » FileData » C# / CSharp Open Source

using System;
using System.ComponentModel;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using System.Windows.Forms;
using IReaper.Command;

namespace IReaper.FileData{
    public partial class FileDataGridContextMenu : ContextMenuStrip
    {
        IList<CourseFileData> files;

        public FileDataGridContextMenu()
        {
            InitializeComponent();
        }

        public FileDataGridContextMenu(IContainer container)
        {
            container.Add(this);

            InitializeComponent();
        }

        public IList<CourseFileData> Files
        {
            get { return files; }
            set { files = value; }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="data"></param>
        /// <param name="canPause"></param>
        /// <param name="canStart"></param>
        /// <param name="canRemove"></param>
        private void CheckButtonStatus()
        {
            bool canPause = false;
            bool canStart = false;
            bool canRemove = false;
            if (files != null)
            {
                for (int i = 0; i < this.files.Count; i++)
                {
                    CourseFileData file = files[i];
                    if (file.RunState == RunningStatue.Running ||
                        file.RunState == RunningStatue.RunQueued ||
                        file.RunState == RunningStatue.RunRequest)
                        canPause |= true;
                    if (file.RunState == RunningStatue.Created ||
                        file.RunState == RunningStatue.Error ||
                        file.RunState == RunningStatue.Stopped)
                        canStart |= true;
                }
                canRemove = canStart;//
            }
            this.toolStripMenuItemRemove.Enabled = canRemove;
            this.toolStripMenuItemStart.Enabled = canStart;
            this.toolStripMenuItemStop.Enabled = canPause;
        }

        protected override void OnOpening(CancelEventArgs e)
        {
            this.CheckButtonStatus();
            base.OnOpening(e);
        }

        private void Start(object sender, EventArgs e)
        {
            CommandBase command = CommandManager.GetCommand(CommandFamily.Command_DownloadFile);
            command.ExecuteAsync(this.files, files);
        }

        private void Stop(object sender, EventArgs e)
        {
            CommandBase command = CommandManager.GetCommand(CommandFamily.Command_PauseDownload);
            command.ExecuteAsync(this.files, files);
        }

        private void Remove(object sender, EventArgs e)
        {
            CommandBase command = CommandManager.GetCommand(CommandFamily.Command_RemoveFile);
            command.ExecuteAsync(this.files, files,RemoveFileTaskTypeEnum.Incompleted);
        }
    }
}