[Seaside] Get the result of JS function
Thomas Heniart
heniart.thomas at gmail.com
Tue Sep 22 16:31:36 UTC 2015
2015-09-22 9:13 GMT+02:00 Johan Brichau <johan at inceptive.be>:
> Thomas,
>
> You can use the jQuery binding in Seaside to easily return javascript
> values in ajax callbacks.
> For example:
>
> html
> button;
> onClick: (html jQuery ajax callback: [:value | Transcript show:
> value ] value: (html javascript call: ‘test’ withArguments: #()))
> with: ‘Call test’
>
I tried this but it doesn't work, nothing appeared in the Transcript like
if the callback isn't triggered...
Maybe I forget something in the configuration of application
(WAAdmin register: self asApplicationAt: 'Test')
addLibrary: JQDevelopmentLibrary;
addLibraby: MyLibraryWithJsFiles
MyLibraryWithJsFiles contains just a js file with test() { return true; }
>
> The #callback:value: method passes the result of client-side expression to
> the server-side callback.
> Mind that (as the method comment states), this only works for single
> literal Javascript object (String, Number, Boolean). If you want to pass
> more complex result values, you can use #callback:json: or write your own
> serialization if json serialization is not sufficient either.
>
> Hope this answers your question,
> Johan
>
Thanks for your help,
Thomas
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