xenadmin/XenAdmin/Commands/Controls/VMLifeCycleToolStripMenuItem.cs

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using XenAPI;
using System.ComponentModel;
using System.Windows.Forms;

namespace XenAdmin.Commands
{
    internal class VMLifeCycleToolStripMenuItem : CommandToolStripMenuItem
    {
        public VMLifeCycleToolStripMenuItem()
            : base(new CmdInt())
        {
        }

        [Browsable(false)]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
        public new Command Command
        {
            get
            {
                return base.Command;
            }
        }

        protected override void Update()
        {
            base.Update();

            IMainWindow mainWindow = Command.MainWindowCommandInterface;
            SelectedItemCollection selection = Command.GetSelection();

            if (mainWindow != null)
            {
                base.DropDownItems.Clear();

                Command cmd = new ShutDownVMCommand(mainWindow, selection);
                if (cmd.CanRun())
                {
                    base.DropDownItems.Add(new CommandToolStripMenuItem(cmd));
                }
                else
                {
                    base.DropDownItems.Add(new CommandToolStripMenuItem(new StartVMCommand(mainWindow, selection)));
                }

                cmd = new ResumeVMCommand(mainWindow, selection);
                if (cmd.CanRun())
                {
                    base.DropDownItems.Add(new CommandToolStripMenuItem(cmd));
                }
                else
                {
                    base.DropDownItems.Add(new CommandToolStripMenuItem(new SuspendVMCommand(mainWindow, selection)));
                }

                base.DropDownItems.Add(new CommandToolStripMenuItem(new RebootVMCommand(mainWindow, selection)));
                base.DropDownItems.Add(new CommandToolStripMenuItem(new VMRecoveryModeCommand(mainWindow, selection)));
                base.DropDownItems.Add(new ToolStripSeparator());
                base.DropDownItems.Add(new CommandToolStripMenuItem(new ForceVMShutDownCommand(mainWindow, selection)));
                base.DropDownItems.Add(new CommandToolStripMenuItem(new ForceVMRebootCommand(mainWindow, selection)));

                DropDownItems.Add(new ToolStripSeparator());
                DropDownItems.Add(new CommandToolStripMenuItem(new VappStartCommand(mainWindow, selection)));
                DropDownItems.Add(new CommandToolStripMenuItem(new VappShutDownCommand(mainWindow, selection)));
            }
        }

        private class CmdInt : Command
        {
            private static bool CanRun(VM vm)
            {
                return !vm.Locked && !vm.is_a_template;
            }

            protected override bool CanRunCore(SelectedItemCollection selection)
            {
                return selection.AllItemsAre<VM>(CanRun);
            }
        }
    }
}