FileUpload and frames

[George]

Hello!

Last few days i'm looking for problem related to FileUpload, Frames, Dialogs and HTMLTemplates.
To be able use same codebase as well as design and UI behavior i've created dialog with FileUpload.
So, currently i have 3 places where i calling my dialog to handle file upload. Great code re-usage i must say.

There was huge problems, related to mixed usage of frames, ajaxrerender and HTMLTemplates.
Good news, i found workarounds So almost all works fine except one thing.
I have main frame, 2 subframes and dialog frame.
dialogframe.owner = MainFrame
Subframe1.owner = MainFrame
Subframe2.owner = MainFrame

I'm going to Subframe1, then to Subframe2, opening upload dialog, starting file upload and closing dialog.
But if then i go to Subframe1, FileUpload stops upload and looses upload file list.
As you can see, there is no dialogframe rerendering in this case, but upload stops...

Demo

IW14.0.32, CG2.4.0.119, DXE6

[Alexander Bulei]

Hi George,

As you can see, there is no dialogframe rerendering in this case, but upload stops...

Are you sure???

You call this code on back button :

delphi code

TIWCGJQFrame1(Self.Owner).ShowSubframe1;

And this procedure have this:

delphi code

procedure TIWCGJQFrame1.ShowSubframe1();
begin
  CGCallBackDisableAjaxResponse;
  try
    Subframe1.Visible := True;
    Subframe2.Visible := False;
  finally
    CGCallBackEnableAjaxResponse;
  end;
  IWFrameRegion.AjaxReRender();
end;

You are rerender the IWFrameRegion region, and what is the parent of DialogFrame??

delphi code

procedure TIWCGJQFrame1.IWCGJQFrameCreate(Sender: TObject);
begin
  Subframe1 := TIWCGJQFrameSubframe1.Create(Self);
  Subframe1.Parent := IWFrameRegion;
  Subframe2 := TIWCGJQFrameSubframe2.Create(Self);
  Subframe2.Parent := IWFrameRegion;
  Subframe2.Visible := False;
  DialogFrame := TIWCGJQFrameDialog.Create(Self);
  DialogFrame.Parent := IWFrameRegion;
end;

Do you understand what happens here?

Best Regards.

[George]

Are you sure???

I was. Sorry for my inattentiveness
Now i created 2 subcontainers, one for SubFrames another for dialog to avoid dialog rerendering. Works...

Thank you very much!

[George]

I found memory leak with class: TIWCGJQUploadingFileList.
I updated CG to latest beta build and a little bit changed previous demo (almost all code was removed), new url.

Leak present in stable release too.
Hope, this demo will be useful.