[jira] Commented: (TAPESTRY-1939) DateField can not leverage full Calendar behavior because it only supports JSON, not full JavaScript hash, for configuring the Calendar

["Davor Hrg (JIRA)" <de...@tapestry.apache.org>]

    [ https://issues.apache.org/jira/browse/TAPESTRY-1939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12547063 ] 

Davor Hrg commented on TAPESTRY-1939:
-------------------------------------

not allowing references may be good...
but nevertheless I like to have my options open.

add this class to your classpath,

    static class JSONRef extends JSONArray{
        private final String _ref;
        public JSONRef(String ref) {
            _ref = ref;
        }
        
        public String toString() {
            return _ref;
        }
    }

then you can use,
        JSONObject jo = new JSONObject();
        jo.put("str", "bla");
        jo.put("func", new JSONRef("myFunc"));
        
        System.out.println(jo.toString());//QDEBUG remove

of course you don't have to use the default JSON support, but your own lib...
.. something that will make json code out of JAvaBeans...
so long as tapestry leaves this part open for tweaking :)




> DateField can not leverage full Calendar behavior because it only supports JSON, not full JavaScript hash, for configuring the Calendar
> ---------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: TAPESTRY-1939
>                 URL: https://issues.apache.org/jira/browse/TAPESTRY-1939
>             Project: Tapestry
>          Issue Type: Bug
>          Components: Core Components
>    Affects Versions: 5.0.6
>         Environment: -
>            Reporter: geert-jan brits
>
> DateField is Tapestry 5 is based on the excellent dynarch.com DHTML/JavaScript Calendar. This calendar provides hooks for javascript callback functions. 
> Currently it's not possible to define such an clientside javascript function because the method JSONObject#valueToString is always quoting all the elements of the json object, while javascript expects a reference to a javascript function
> Therefore the js-error:  "... not a function" is given.
> For example: what is needed is: 
> Calendar.setup({"inputField":"a","ifFormat":"%d-%m-%y","button":"a:trigger","onUpdate":afterUpdateElement});
> while DateField outputs: 
> Calendar.setup({"inputField":"a","ifFormat":"%d-%m-%y","button":"a:trigger","onUpdate":"afterUpdateElement"}); // <-- difference is in the quotes round afterUpdateElement
> issue is similar to TAPESTRY-1795 (tapestry 4)

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