Rails spinoffs - Jul 2008 - Custom event from subwindow handled in opening window - possible?

Hi,


I got stuck by some window to window communication issue.

I have a main window witch open a popup window with window#open 
method. The popup contains a small form.

In onsubmit handler ot that form I generate a custom event, say 
''vera:euChosen'', with a complicated memo.

I fire it with
  Element.fire(window.opener.document, ''vera:euChosen'', memo);

I also do
  document.observe(''vera:euChosen'',refToMyHandler);

in parent window. Now I get a result I do not understand.

When the event is fired, the refToMyHandler(evnt) is executed, but
the evnt is of type ''dataavailable'' and there is no trace of
my memo.

Am I doing something wrong, or one just can''t pass a custom event 
between two windows (even if the firing window is opened by the 
listening window)?

I tried also to fire the event on a popup window and listen on it.
I tried both window.document documents and I always get dataavailable 
and not my custom event.

How can I transwer my memo object to my main window (window.opener) 
without knowledge of any js function or element of main window in my 
popup window? I need to use this popup in several pages, and would 
like just to pass my data, to any main window. Main window''s scripts 
should decide what to do with them.

Any suggestions?

Regards,
Szymon Wilkołazki

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Szymon,

All custom events are piggybacked on "dataavailable" and are injected
with "memo" property on an event object itself. As far cross-window
messaging, I don''t think this is possible with current implementation.
Custom events simply bubble up to a top level element in the scope of
the window that originated event.

-- kangax

On Jul 4, 10:41 am, SWilk
<wilkola...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hi,
>
> I got stuck by some window to window communication issue.
>
> I have a main window witch open a popup window with window#open
> method. The popup contains a small form.
>
> In onsubmit handler ot that form I generate a custom event, say
> ''vera:euChosen'', with a complicated memo.
>
> I fire it with
>   Element.fire(window.opener.document, ''vera:euChosen'',
memo);
>
> I also do
>   document.observe(''vera:euChosen'',refToMyHandler);
>
> in parent window. Now I get a result I do not understand.
>
> When the event is fired, the refToMyHandler(evnt) is executed, but
> the evnt is of type ''dataavailable'' and there is no trace
of my memo.
>
> Am I doing something wrong, or one just can''t pass a custom event
> between two windows (even if the firing window is opened by the
> listening window)?
>
> I tried also to fire the event on a popup window and listen on it.
> I tried both window.document documents and I always get dataavailable
> and not my custom event.
>
> How can I transwer my memo object to my main window (window.opener)
> without knowledge of any js function or element of main window in my
> popup window? I need to use this popup in several pages, and would
> like just to pass my data, to any main window. Main window''s
scripts
> should decide what to do with them.
>
> Any suggestions?
>
> Regards,
> Szymon Wilkołazki
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Hi,

kangax wrote:
  > All custom events are piggybacked on "dataavailable" and are
injected
> with "memo" property on an event object itself. As far
cross-window
> messaging, I don''t think this is possible with current
implementation.
> Custom events simply bubble up to a top level element in the scope of
> the window that originated event.
> 
Thanks for your reply.
I tested it a bit more and it turns out, that I can get the 
dataavailable event *with* the memo *if* I open popup window with 
incorrect html, without all the <html><head><body> tags, just
the html
content. It''s a little weird for me.

Anyway I do not want to do that, so I decided to use ajax instead 
popup, even if it means breaking our app "standards" (this is a very 
old web app, lots of things are done in popups). Of course there is no 
problem with custom events fired from ajax loaded content. My problem 
disappeared :)

Thanks again,
Szymon Wilkołazki
> 
> On Jul 4, 10:41 am, SWilk
<wilkola...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>> Hi,
>>
>> I got stuck by some window to window communication issue.
>>
>> I have a main window witch open a popup window with window#open
>> method. The popup contains a small form.
>>
>> In onsubmit handler ot that form I generate a custom event, say
>> ''vera:euChosen'', with a complicated memo.
>>
>> I fire it with
>>   Element.fire(window.opener.document,
''vera:euChosen'', memo);
>>
>> I also do
>>   document.observe(''vera:euChosen'',refToMyHandler);
>>
>> in parent window. Now I get a result I do not understand.
>>
>> When the event is fired, the refToMyHandler(evnt) is executed, but
>> the evnt is of type ''dataavailable'' and there is no
trace of my memo.
>>
>> Am I doing something wrong, or one just can''t pass a custom
event
>> between two windows (even if the firing window is opened by the
>> listening window)?
>>
>> I tried also to fire the event on a popup window and listen on it.
>> I tried both window.document documents and I always get dataavailable
>> and not my custom event.
>>
>> How can I transwer my memo object to my main window (window.opener)
>> without knowledge of any js function or element of main window in my
>> popup window? I need to use this popup in several pages, and would
>> like just to pass my data, to any main window. Main window''s
scripts
>> should decide what to do with them.
>>
>> Any suggestions?
>>
>> Regards,
>> Szymon Wilkołazki
> > 
> 

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