/// <summary>
/// Closes the document
/// </summary>
public void Close()
{
if (IsClosed)
{
return;
}
IsClosed = true;
Closing?.Invoke(this, null);
EditorTree?.Dispose(); // this will also remove event handlers
EditorTree = null;
if (Closing != null)
{
foreach (var eh in Closing.GetInvocationList())
{
var closingHandler = eh as EventHandler <EventArgs>;
if (closingHandler != null)
{
Debug.Fail(Invariant($"There are still listeners in the EditorDocument.OnDocumentClosing event list: {eh.Target}"));
Closing -= closingHandler;
}
}
}
EditorBuffer?.Services?.RemoveService(this);
EditorBuffer = null;
}
protected virtual async Task OnClosing(WorkbenchWindowEventArgs e)
{
if (Closing != null)
{
foreach (var handler in Closing.GetInvocationList().Cast <WorkbenchWindowAsyncEventHandler> ())
{
await handler(this, e);
}
}
}
async Task OnClosing(DocumentCloseEventArgs e)
{
if (Closing != null)
{
foreach (var handler in Closing.GetInvocationList().Cast <DocumentCloseAsyncEventHandler> ())
{
await handler(this, e);
if (e.Cancel)
{
break;
}
}
}
}
async Task OnClosing(DocumentCloseEventArgs e)
{
if (Closing != null)
{
foreach (var handler in Closing.GetInvocationList().Cast <DocumentCloseAsyncEventHandler> ())
{
try {
await handler(this, e);
if (e.Cancel)
{
break;
}
} catch (Exception ex) {
LoggingService.LogInternalError(ex);
}
}
}
}
public bool CloseWindowSync()
{
var e = new WorkbenchWindowEventArgs(true, true);
if (Closing != null)
{
foreach (var handler in Closing.GetInvocationList().Cast <WorkbenchWindowAsyncEventHandler> ())
{
handler(this, e).Wait();
if (e.Cancel)
{
break;
}
}
}
Closed?.Invoke(this, e);;
return(true);
}
private void RemoveAllHandledEvents()
{
if (Shown != null)
{
foreach (var @delegate in Shown.GetInvocationList())
{
var h = (EventHandler)@delegate;
Shown -= h;
}
}
if (Closing != null)
{
foreach (var @delegate in Closing.GetInvocationList())
{
var h = (CancelEventHandler)@delegate;
Closing -= h;
}
}
if (Closed != null)
{
foreach (var @delegate in Closed.GetInvocationList())
{
var h = (EventHandler)@delegate;
Closed -= h;
}
}
var p = Parent as FrameworkElement;
if (p != null)
{
p.DataContextChanged -= Parent_DataContextChanged;
}
}
public bool ClosingIsHooked()
{
return(Closing != null && Closing.GetInvocationList().Length > 0);
}
