Just realized wd'timer' keeps firing and if that is what you want then you
might be able to ignore the block and simply get the next one. Somthing
like the following:
jjs'intervaltimer=setInterval("if(0==rqstate)jdoajax([],\"\",\"jev_timer[0\");",4000);'
The rqstate test avoids the block. The intervaltimer handle can be used to
kill the timer. That is,
jjs'clearInterval(intervaltimer)'
Note that if the timer event is doing output it may be hard to get run the
line to clear the timer. In this case you can open another jijx window and
do it from there.
Maybe this is enough for you current requirements.
On Thu, Jan 5, 2012 at 2:32 PM, Eric Iverson <eric.b.iver...@gmail.com>wrote:
> Ian,
>
> A bit more complete (but without the blocking problem fixed) follows:
>
> jev_timer=: 3 : 'i.5'
> jjs'setTimeout("jdoajax([],\"\",\"jev_timer[0\");",4000);'
>
> Note that the name jev_timer input line is not shown as lines that start
> with jev_ are assumed to be events and are not logged.
>
> Let me know if you'd like the blocking problem fixed.
>
> On Thu, Jan 5, 2012 at 2:18 PM, Eric Iverson <eric.b.iver...@gmail.com>wrote:
>
>> Here is a very rough start on showing how to do a timer event for JHS.
>>
>> jjs'setTimeout("jdoajax([],\"\",\"a=: 123\");",4000);'
>>
>> Verb jjs executes javascript sentences. The setTimeout javascript
>> sentence runs its first arg (a javascript sentence) when 4 seconds has
>> elapsed. The \" sequence escapes the " and allows "s inside the quoted
>> string.
>>
>> The next step is to replace the a=: 123 J sentence with a call to your
>> timer event handler.
>>
>> This solution is not complete because the ajax execution of the J
>> sentence is blocked if a J sentence is already running. This can be
>> detected and dealt with. This could be done by a more complicated jjs
>> sentence that requeues the setTimeout until it is allowed to execute. A
>> better solution would be that the core ajax framework recognize a blocked
>> timer event and to run it immediately after the blocking sentence has
>> finished.
>>
>> If the above meets your requirements except for the blocking problem I
>> will clean things up and enhance the ajax request framework to run a
>> blocked timer event.
>>
>>
>> On Thu, Jan 5, 2012 at 2:03 PM, Eric Iverson
>> <eric.b.iver...@gmail.com>wrote:
>>
>>> cd (calls to external libraries) works on all platforms and specifically
>>> J can use cd to call dylibs on Mac. However, the timer routine you referred
>>> to is windows only and I don't know of the mac equivalent. A dylib call is
>>> probably not the way to provide timer events for JHS regardless of server
>>> platform.
>>>
>>>
>>> On Thu, Jan 5, 2012 at 1:45 PM, David Mitchell <davidmitch...@att.net>wrote:
>>>
>>>> You are welcome, Ian.
>>>>
>>>> I am a bit curious about J support for dylibs. I currently do not have
>>>> any way
>>>> to try it myself, but the J DLL documentation does say:
>>>>
>>>> J can call procedures that are compiled in a shared library file. In
>>>> Windows
>>>> these files are called DLLs (dynamic link libraries) and have a .dll
>>>> extension.
>>>> In Linux they are called shared libraries or shared objects and have a
>>>> .so
>>>> extension. In Mac they are called dynamic libraries and have a .dylib
>>>> extension.
>>>> The term DLL is used here for all platforms. A procedure in a DLL is
>>>> called by
>>>> its name and filename.
>>>>
>>>> It is true that there may not be dylib functionality for Darwin that
>>>> matches
>>>> what Windows has for timer usage, but I saw a function
>>>> "dispatch_source_set_timer" in the GCD reference from Apple that seemed
>>>> as if it
>>>> might be a start.
>>>>
>>>> On 1/5/2012 12:54, Ian Clark wrote:
>>>> > Thanks, David.
>>>> >
>>>> > But this uses 'dll'. AFAIK there's no comparable way of calling dylibs
>>>> > in Darwin.
>>>> >
>>>> > On Thu, Jan 5, 2012 at 5:44 PM, David Mitchell<davidmitch...@att.net>
>>>> wrote:
>>>> >> Here is a version that works with J602 and J701 jconsole. It does
>>>> not work with
>>>> >> jhs or jgtk. I have not tested it extensively and it may have side
>>>> effects or
>>>> >> bugs that I haven't found yet.
>>>> >>
>>>> >> http://www.jsoftware.com/jwiki/Scripts/WindowsTimer
>>>> >>
>>>> >> On 1/5/2012 8:27, Ian Clark wrote:
>>>> >>> How do I get a timer in j701 jhs (or jconsole)?
>>>> >>>
>>>> >>> I've been assuming wd (11!:0) doesn't work at all in j701 (in j602
>>>> >>> you'd do: 11!:0 'timer 3' for a callback in 3 secs).
>>>> >>>
>>>> >>> BTW J701 help (
>>>> http://www.jsoftware.com/docs/help701/dictionary/dx011.htm)
>>>> >>> still refers to 11!:0 but I assume that's just because it's been
>>>> >>> overlooked...?
>>>> >>>
>>>> ----------------------------------------------------------------------
>>>> >>> For information about J forums see
>>>> http://www.jsoftware.com/forums.htm
>>>> >>>
>>>> >>
>>>> ----------------------------------------------------------------------
>>>> >> For information about J forums see
>>>> http://www.jsoftware.com/forums.htm
>>>> > ----------------------------------------------------------------------
>>>> > For information about J forums see
>>>> http://www.jsoftware.com/forums.htm
>>>> >
>>>> ----------------------------------------------------------------------
>>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>>>
>>>
>>>
>>
>
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
