The javascript handler should be more like (from your earlier example):
function ev_command_enter(){jdoajax(["command"],"");}
On Mon, Mar 3, 2014 at 7:32 PM, Eric Iverson <eric.b.iver...@gmail.com> wrote:
> Try some javascript debugging. Put in a javascript sentence in the
> javascript method ev_command_enter:
> alert("wrong number of ajax results");
> This will confirm that at least javascript is seeing the event.
>
> There might be hints in the jijx window.
>
> Using submit() in the handler is probably wrong. Follow the pattern
> from other JHS pages that work.
>
> On Mon, Mar 3, 2014 at 7:27 PM, Brian Schott <schott.br...@gmail.com> wrote:
>> Eric,
>>
>> It appears my ev_command_enter is NOT being triggered by pressing the Enter
>> key while in the text field. I have even placed a debugging counter, T, in
>> ev_command_enter, but it is not being incremented.
>>
>> Could you or others look at the excerpt of code below, please? I have
>> patterned it after both Eric's demogl1.ijs and Bob's vlitejwiki.ijs, but
>> cannot seem to get over this bump in the road.
>>
>>
>> coclass'tgsj'
>> coinsert'jhs'
>>
>> HBS=: 0 : 0
>> '<h2>Type in a turtle command</h2>'
>> 'command' jhtext 'fd 10';50
>> '<canvas width="600" height="600" id="glcanvas"></canvas>'
>> )
>>
>> jev_get=: create
>>
>> create=: 3 : 0
>> 'tgsj'jhr''
>> T=: 20
>> initTurtles 1
>> )
>>
>> ev_command_enter=: 3 : 0
>> T=:T+1
>> s=: getv 'command'
>> ". s
>> )
>>
>> JS=: 0 : 0 NB. javascript
>> function ev_body_load(){init();} // must use JHS framework load handler
>> function ev_command_enter(){jsubmit();}
>> )
>>
>> Thanks,
>>
>> On Mon, Mar 3, 2014 at 11:13 AM, Eric Iverson
>> <eric.b.iver...@gmail.com>wrote:
>>
>>> Shooting from hip response without a careful reading of your message.
>>>
>>> jev_get is for the http get request. It is the verb that is run when
>>> you first browse to that page. It is not a response to an ajax
>>> request.
>>>
>>> What is the J definition for ve_command_enter? When jev_get is called
>>> it will get the error you indicate if the J verb ev_command_enter is
>>> not defined.
>>>
>>> Note that in general there are both javascript and J definitions with
>>> the same names.
>>>
>>> Look more carefully at the patterns in working J examples. It is
>>> likley that jev_get should be defined to be create.
>>>
>>> On Mon, Mar 3, 2014 at 11:07 AM, Brian Schott <schott.br...@gmail.com>
>>> wrote:
>>> > I have problem code inside a JHS app I am trying to write. The app will
>>> > accept user inputs of valid commands like `fd 10` and produce canvas draw
>>> > updates.
>>> >
>>> > This line in jijx is producing the error below it.
>>> >
>>> > load'~Projects/tgsjhs/tgsjhs.ijs'
>>> > |syntax error
>>> > | jev_get_tgsj_''
>>> > *** response not sent for tgsj
>>> > *** html409 Conflict
>>> >
>>> >
>>> > *********code is below*********
>>> > HBS=: 0 : 0
>>> > '<h2>Type in a turtle command</h2>'
>>> > 'command' jhtext 'fd 10';50
>>> > '<canvas width="600" height="600" id="glcanvas"></canvas>'
>>> > )
>>> >
>>> > create=: 3 : 0
>>> > 'tgsj'jhr''
>>> > )
>>> >
>>> > jev_get=: ev_command_enter
>>> >
>>> > CSS=: 0 : 0
>>> > body{margin:10px;}
>>> > )
>>> >
>>> > JS=: 0 : 0 NB. javascript
>>> > function ev_body_load(){init();} // must use JHS framework load handler
>>> > // function ev_command_enter(){jdoajax(["command"],"");}
>>> > // function ajax(ts) {jbyid("command").value=ts[0];}
>>> > )
>>> >
>>> > *********code is above*********
>>>
>>
>>
>> --
>> (B=)
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
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