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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Markup;
using Tango.Core.DI;
using Tango.FSE.Common.Notifications;
using Tango.FSE.Common.Threading;
namespace Tango.FSE.Procedures
{
public class DialogController : IDialogController
{
private String _xaml;
private FrameworkElement _rootElement;
private DialogControllerVM _dialogVM;
[TangoInject]
private INotificationProvider NotificationProvider { get; set; }
[TangoInject]
private IDispatcherProvider DispatcherProvider { get; set; }
internal DialogController(String xaml)
{
_xaml = xaml;
_dialogVM = new DialogControllerVM();
TangoIOC.Default.Inject(this);
}
internal void Init()
{
TaskCompletionSource<object> completion = new TaskCompletionSource<object>();
DispatcherProvider.Invoke(() =>
{
FrameworkElement rootElement;
var stream = new MemoryStream();
var writer = new StreamWriter(stream);
writer.Write(_xaml);
writer.Flush();
stream.Position = 0;
rootElement = (FrameworkElement)XamlReader.Load(stream);
_rootElement = rootElement;
stream.Dispose();
completion.SetResult(true);
});
completion.Task.GetAwaiter().GetResult();
}
public void Show()
{
TaskCompletionSource<object> completion = new TaskCompletionSource<object>();
DispatcherProvider.Invoke(async () =>
{
await NotificationProvider.ShowDialog(_dialogVM, _rootElement);
completion.SetResult(true);
});
completion.Task.GetAwaiter().GetResult();
}
public void Close()
{
_dialogVM?.Close(true);
}
public T FindControl<T>(String name) where T : DependencyObject
{
if (Thread.CurrentThread == Application.Current.Dispatcher.Thread)
{
return _rootElement.FindChild<T>(name) as T;
}
else
{
bool completed = false;
T child = null;
DispatcherProvider.Invoke(() =>
{
child = _rootElement.FindChild<T>(name) as T;
completed = true;
});
while (!completed)
{
Thread.Sleep(10);
}
return child;
}
}
}
}
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