The dialog is not displayed immediatelly

JamesGu wrote

Hi,

I am using a dialog to display a processing image before submission because sometimes the submission takes long time.

What I want is:
1. Display the dialog
2. do submission
3. close dialog when submission done.
But actually the dialog is displayed after submission. I am not sure why. Any suggestion will be appreciated.

        <xforms:submission id="get-submission"
                           ref="instance('request')"
                           replace="instance"
                           instance="result"
                           method="post"
                           action="/test">
            <xforms:action ev:event="xforms-submit">
                <xxforms:show dialog="processing-dialog"/>
            </xforms:action>-
            <xforms:action ev:event="xforms-submit-done">
               
            </xforms:action>
        </xforms:submission>

Thanks,
James

Erik Bruchez wrote

Tom,

That won't work as is, because the dialog won't show before the Ajax
request sent to the server comes back, which happens after the
submission completes.

To support such scenarios we would some kind of continuations
mechanism, which we don't have yet.

You can work around this by forcing back and forths between the client
and the server, e.g.:

* Server opens dialog and runs xxforms:script which dispatches custom event
* Client shows dialog and sends back custom event to server
* Server receives custom event and starts submission
* When submission completes you can close the dialog

Note that we also have xforms:trigger/@xxforms:modal="true" which
shows a built-in waiting screen. That might work for you and be
simpler.

-Erik

On Thu, Jul 30, 2009 at 5:53 AM, Tom
Grahame<thomas.grahame@manchester.ac.uk> wrote:
>
> Hi,
>
> I am trying to do almost exactly the same thing - use a dialog to display
> feedback to the user during a long submission.
>
> I am trying this:
>
> <xxforms:dialog id="feedback">
>        <xforms:action ev:event="xxforms-dialog-open">
>                <xforms:insert context="instance('results')"
> origin="xxforms:call-xpl..."/>
>        </xforms:action>
> </xxforms:dialog>
>
> According to the logs xxforms-dialog-open is dispatched before the insert
> occurs, yet the dialog does not appear until after the xpl has completed.
>
> Thanks,
>
> Tom
>
>
> JamesGu wrote:
>>
>> Hi,
>>
>> I am using a dialog to display a processing image before submission
>> because sometimes the submission takes long time.
>>
>> What I want is:
>> 1. Display the dialog
>> 2. do submission
>> 3. close dialog when submission done.
>> But actually the dialog is displayed after submission. I am not sure why.
>> Any suggestion will be appreciated.
>>
>>         <xforms:submission id="get-submission"
>>                            ref="instance('request')"
>>                            replace="instance"
>>                            instance="result"
>>                            method="post"
>>                            action="/test">
>>             <xforms:action ev:event="xforms-submit">
>>                 <xxforms:show dialog="processing-dialog"/>
>>             </xforms:action>-
>>             <xforms:action ev:event="xforms-submit-done">
>>                
>>             </xforms:action>
>>         </xforms:submission>
>>
>> Thanks,
>> James
>>
>
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> View this message in context: http://www.nabble.com/The-dialog-is-not-displayed-immediatelly-tp24533044p24737894.html
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>
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JamesGu wrote

The xforms:trigger/@xxforms:modal="true" is really nice. That's what I want. Thank you very much!

I have some questions about it.

                            <xforms:input ref=".">
                                <xforms:action ev:event="DOMActivate" ev:propagate="stop">
                                    <xforms:dispatch name="DOMActivate" target="search-trigger"/>
                                </xforms:action>
                            </xforms:input>
                            <xforms:trigger appearance="minimal" id="search-trigger" xxforms:modal="true">
                                <xforms:label>Search</xforms:label>
                                <xforms:action ev:event="DOMActivate">
                                    <xforms:send submission="search-submission"/>
                                </xforms:action>
                            </xforms:trigger>

When I clicks the xforms:trigger, the waiting screen works well.
I put a xforms:input on page. The user inputs some data and press "Enter". It will dispatch a DOMActivate event to the xforms:trigger. I expect the waiting screen but it is not displayed. Is there anyway to make it displayed?

JamesGu wrote

Also, I modified xforms-min.js to customize the waiting screen. Please let me know if there is better way.

JamesGu wrote

It works well. Thank you very much! I learned new knowledge. :-)