xenadmin/XenAdmin/Commands/Controls/VMOperationToolStripMenuSubItem.cs

/* Copyright (c) Citrix Systems, Inc. 
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using System;
using System.Collections.Generic;
using System.Text;
using XenAdmin.Controls;
using System.Drawing;
using XenAPI;

namespace XenAdmin.Commands
{
    internal class VMOperationToolStripMenuSubItem : VisualMenuItem
    {
        private VMOperationCommand _command;

        public VMOperationToolStripMenuSubItem(string text, Image image)
            : base(text, image)
        {
            Enabled = false;
        }

        public VMOperationToolStripMenuSubItem(VMOperationCommand command)
        {
            Util.ThrowIfParameterNull(command, "command");
            Command = command;
        }

        private void Update()
        {
            Enabled = _command != null && _command.CanExecute();

            if (_command != null)
            {
                if (_command.MenuText != null)
                {
                    Text = _command.MenuText;
                }

                if (_command.MenuImage != null)
                {
                    Image = _command.MenuImage;
                }

                if (_command.SecondImage != null)
                {
                    SecondImage = _command.SecondImage;
                }

                //null is allowed (CA-147657)
                ToolTipText = _command.ToolTipText;

                StarRating = _command.StarRating;
            }
        }

        public VMOperationCommand Command
        {
            get
            {
                return _command;
            }
            set
            {
                _command = value;
                Update();
            }
        }

        protected override void OnClick(EventArgs e)
        {
            if (_command != null && _command.CanExecute())
            {
                _command.Execute();
            }

            base.OnClick(e);
        }
    }
}