private void ContentOnRequestClose(IRequestClose item)
{
item.Guard("item");
IWindowWrapper window;
if (!windows.TryGetValue(item, out window))
{
return;
}
window.Close();
windows.Remove(item);
}
private void OnDataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
IRequestClose oldViewModel = e.OldValue as IRequestClose;
if (oldViewModel != null)
{
oldViewModel.RequestClose -= this.ViewModelRequestClose;
}
IRequestClose newViewModel = e.NewValue as IRequestClose;
if (newViewModel != null)
{
newViewModel.RequestClose += this.ViewModelRequestClose;
}
}
protected RequestCloseWindow()
{
this.DataContextChanged += this.OnDataContextChanged;
this.Closing += (sender, args) =>
{
IRequestClose requestClose = this.DataContext as IRequestClose;
if (requestClose != null)
{
requestClose.WindowClosing(args);
// Disconnect the event handler in case the view model is reused.
requestClose.RequestClose -= this.ViewModelRequestClose;
}
};
}
/// <summary>
/// Opens the new.
/// </summary>
/// <param name="content">The content.</param>
/// <param name="title">The title.</param>
/// <param name="desiredWidth">Width of the desired.</param>
/// <param name="desiredHeight">Height of the desired.</param>
/// <param name="header">The header.</param>
/// <returns></returns>
public IWindowWrapper OpenNew(IRequestClose content, string title, int desiredWidth, int desiredHeight, object header = null)
{
content.Guard("content");
var window = windowFactory.CreateNew();
window.Closing += WindowOnClosing;
content.RequestClose += ContentOnRequestClose;
window.Content = content;
window.Title = title;
window.Header = header;
window.Width = desiredWidth;
window.Height = desiredHeight;
windows.Add(content, window);
window.Show();
window.Activate();
window.Focus();
return(window);
}