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using System;
using System.Collections.Generic;
using XenAdmin.Controls.Ballooning;
using XenAdmin.Core;
using XenAPI;

namespace XenAdmin.Dialogs
{
    public partial class BallooningDialog : XenDialogBase
    {
        private readonly VM _vm;
        private VMMemoryControlsEdit memoryControls;

        public BallooningDialog()
        {
            InitializeComponent();
        }

        public BallooningDialog(VM vm)
            : base(vm.Connection)
        {
            InitializeComponent();
            _vm = vm;

            if (!Helpers.FeatureForbidden(vm.Connection, Host.RestrictDMC) && vm.UsesBallooning())
            {
                memoryControls = new VMMemoryControlsAdvanced();

                labelRubric.Text = vm.is_a_template
                    ? Messages.BALLOONING_RUBRIC_ADVANCED_TEMPLATE
                    : Messages.BALLOONING_RUBRIC_ADVANCED;
            }
            else
            {
                memoryControls = new VMMemoryControlsBasic();
                ((VMMemoryControlsBasic)memoryControls).InstallTools += BallooningDialog_InstallTools;

                labelRubric.Text = vm.is_a_template
                    ? Messages.BALLOONING_RUBRIC_TEMPLATE
                    : Messages.BALLOONING_RUBRIC;
            }

            panel1.Controls.Add(memoryControls);
        }

        protected override void OnLoad(EventArgs e)
        {
            memoryControls.VMs = new List<VM> {_vm};
            base.OnLoad(e);
        }

        private void buttonOK_Click(object sender, EventArgs e)
        {
            memoryControls.UnfocusSpinners();

            if (memoryControls.ChangeMemorySettings())
                Close();
        }

        private void BallooningDialog_InstallTools()
        {
            Close();
        }
    }
}