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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Interop;
using System.Windows.Markup;
using System.Xml.Linq;
using Tango.Core.DI;
using Tango.FSE.Common.Notifications;
using Tango.FSE.Common.Threading;
using Tango.FSE.Common.WindowsManager;
using Tango.FSE.Procedures.Windows;
namespace Tango.FSE.Procedures
{
public class WindowController : IDialogWindowController
{
private const int GWL_HWNDPARENT = -8;
[DllImport("user32.dll")]
static extern int SetWindowLong(IntPtr hwnd, int index, int newStyle);
private String _xaml;
private FrameworkElement _rootElement;
private ProcedureDialogWindow _dialogWindow;
private Thread _windowThread;
private String _title;
private bool _isShown;
[TangoInject]
private IDispatcherProvider DispatcherProvider { get; set; }
public static void SetOwnerWindowMultithread(IntPtr windowHandleOwned, IntPtr intPtrOwner)
{
if (windowHandleOwned != IntPtr.Zero && intPtrOwner != IntPtr.Zero)
{
SetWindowLong(windowHandleOwned, GWL_HWNDPARENT, intPtrOwner.ToInt32());
}
}
internal WindowController(String xaml, String title)
{
_xaml = xaml;
_title = title;
TangoIOC.Default.Inject(this);
}
internal void Init()
{
String xaml = _xaml;
XDocument doc = XDocument.Parse(xaml);
var textBoxes = doc.Descendants().Where(x => x.Name.LocalName == "TextBox").ToList();
textBoxes.ForEach(x => x.SetAttributeValue("Style", "{StaticResource ProcedureWindowTextBoxStyle}"));
xaml = doc.ToString();
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();
_dialogWindow = new ProcedureDialogWindow();
_dialogWindow.Width = _rootElement.Width;
_dialogWindow.Height = _rootElement.Height;
_dialogWindow.WindowStartupLocation = WindowStartupLocation.CenterScreen;
_dialogWindow.Title = _title;
_dialogWindow.SetContent(rootElement);
//var textBoxesToRestore = rootElement.FindVisualChildren<TextBox>().ToList();
//textBoxesToRestore.ForEach(x => x.Style = null);
var helper = new WindowInteropHelper(_dialogWindow);
helper.EnsureHandle();
_windowThread = _dialogWindow.Dispatcher.Thread;
//System.Windows.Threading.Dispatcher.Run();
//Make the main window as owner ? could be risky..
//IntPtr mainWindowHanle = IntPtr.Zero;
//DispatcherProvider.InvokeBlock(() =>
//{
// mainWindowHanle = new WindowInteropHelper(Application.Current.MainWindow).Handle;
//});
//SetOwnerWindowMultithread(helper.Handle, mainWindowHanle);
}
public void Show()
{
if (!_isShown)
{
_isShown = true;
_dialogWindow.ShowDialog();
}
else
{
//_dialogWindow.Visibility = Visibility.Visible;
_dialogWindow.WindowState = WindowState.Normal;
}
}
public T FindControl<T>(String name) where T : DependencyObject
{
if (Thread.CurrentThread == _windowThread)
{
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;
}
}
public void Close()
{
_dialogWindow.Close();
}
public void Hide()
{
//_dialogWindow.Hide();
_dialogWindow.WindowState = WindowState.Minimized;
}
}
}
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