virtual public void CloseDocument()
{
if (OnCloseDocument != null)
{
DocumentCloseEventArgs args = new DocumentCloseEventArgs();
args.FileName = string.Empty;
OnCloseDocument(this, args);
}
}
Task DocumentManager_DocumentClosing(object sender, DocumentCloseEventArgs e)
{
NavigationPoint point = GetNavPointForDoc(e.Document, true) as DocumentNavigationPoint;
if (point == null)
{
return(Task.CompletedTask);
}
closedHistory.Add(new Tuple <NavigationPoint, int> (point, documentManager.Documents.IndexOf(e.Document)));
OnClosedHistoryChanged();
return(Task.CompletedTask);
}
async Task OnClosing(DocumentCloseEventArgs e)
{
if (Closing != null)
{
foreach (var handler in Closing.GetInvocationList().Cast <DocumentCloseAsyncEventHandler> ())
{
await handler(this, e);
if (e.Cancel)
{
break;
}
}
}
}
public async Task <bool> Close(bool force = false)
{
using (await asyncCriticalSection.EnterAsync()) {
if (closed)
{
return(true);
}
bool wasActive = documentManager.ActiveDocument == this;
// Raise the closing event. Handlers have a chance to cancel the save operation
var args = new DocumentCloseEventArgs(this, force, wasActive);
args.Cancel = false;
await OnClosing(args);
if (!force && args.Cancel)
{
return(false);
}
// Show the File not Saved UI
if (!await ShowSaveUI(force))
{
return(false);
}
closed = true;
ClearTasks();
Closed?.SafeInvoke(this, args);
// Reset the root view before closing the view, otherwise shell.CloseView will destroy it.
// We need the view to be functional until after the window is closed. The Dispose() method
// already takes care of disposing the view, which will destroy the widget it contains
window.SetRootView(null);
shell.CloseView(window, true);
Counters.OpenDocuments--;
Dispose();
return(true);
}
}
public async Task <bool> Close(bool force = false)
{
using (await asyncCriticalSection.EnterAsync()) {
if (closed)
{
return(true);
}
bool wasActive = documentManager.ActiveDocument == this;
// Raise the closing event. Handlers have a chance to cancel the save operation
var args = new DocumentCloseEventArgs(this, force, wasActive);
args.Cancel = false;
await OnClosing(args);
if (!force && args.Cancel)
{
return(false);
}
// Show the File not Saved UI
if (!await ShowSaveUI(force))
{
return(false);
}
closed = true;
ClearTasks();
try {
Closed?.Invoke(this, args);
} catch (Exception ex) {
LoggingService.LogError("Exception while calling Closed event.", ex);
}
shell.CloseView(window, true);
Counters.OpenDocuments--;
Dispose();
return(true);
}
}
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);
}
}
}
}