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using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL;
using Tango.BL.Entities;
using Tango.FSE.Common;
using Tango.FSE.Common.AutoComplete;
namespace Tango.FSE.UI.Dialogs
{
public class MachineConnectionUsbViewVM : MachineConnectionBaseViewVM
{
public AutoCompleteSource<Machine> Machines { get; set; }
private Machine _selectedMachine;
public Machine SelectedMachine
{
get { return _selectedMachine; }
set { _selectedMachine = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
}
public MachineConnectionUsbViewVM() : base()
{
Machines = new AutoCompleteSource<Machine>(AutoCompleteMachines);
}
private List<Machine> AutoCompleteMachines(string key)
{
key = key ?? String.Empty;
try
{
using (ObservablesContext db = ObservablesContext.CreateDefault())
{
return db.Machines.Where(x => x.SerialNumber.ToLower().StartsWith(key)).Take(4).ToList();
}
}
catch (Exception ex)
{
LogManager.Log(ex, "Error on auto complete virtualized machine filter.");
return new List<Machine>();
}
}
protected override bool CanOK()
{
return SelectedMachine != null;
}
public async override void OnShow()
{
base.OnShow();
try
{
if (Settings.LastVirtualizedMachineSerialNumber != null)
{
using (ObservablesContext db = ObservablesContext.CreateDefault())
{
var machine = await db.Machines.SingleOrDefaultAsync(x => x.SerialNumber == Settings.LastVirtualizedMachineSerialNumber);
if (SelectedMachine == null)
{
SelectedMachine = machine;
}
}
}
}
catch (Exception ex)
{
LogManager.Log(ex, "Error retrieving last virtualized machine.");
}
if (SelectedMachine == null)
{
this.SetFocus(() => SelectedMachine);
}
}
protected override void Accept()
{
Settings.LastVirtualizedMachineSerialNumber = SelectedMachine.SerialNumber;
Settings.Save();
base.Accept();
}
public override string GetMachineSerialNumber()
{
return SelectedMachine?.SerialNumber;
}
}
}
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