[tpm] [OT] Javascript to watch for certain KW from a web page

[Antonio Sun]

Thanks a lot Mark,
That works like a charm. I really appreciate your simplified solution
sample code.

Thanks again everyone for your helps.

On Wed, Oct 10, 2012 at 12:12 PM, Mark Jubenville <ioncache at gmail.com>wrote:

>  Alternatively if you don't want to do the whole ajax thing, you can do
> something similar just checking the text of the body:
>
> <script>
>
>     var page_check;
>
>     var nMilliseconds = 60*1000; // frequency of server check in
> milliseconds
>     var checkServerStatus = function () {
>         if ( /Text that you are searching
> for/.test(document.body.innerHTML) ) {
>             // simple javascript alert box
>             alert("Text you want to display when the search is found");
>
>             // an actual new window/tab
>             var text_window=window.open("","","width=200,height=100");
>             text_window.document.write("<p>Text you want to display when
> the search is found</p>");
>             text_window.focus();
>
>             clearInterval(page_check);
>
>         }
>     };
>     page_check = setInterval( checkServerStatus, nMilliseconds );
> </script>
>
> That doesn't require jQuery either.
>
> I put in examples of opening an actual window or just showing an alert box.
>
>
> On 2012-10-10 11:40 AM, Mark Jubenville wrote:
>
> I'd use setInerval instead of setTimeout though:
>
> var page_check;
>
> var nMilliseconds = 60*1000; // frequency of server check in milliseconds
>  var checkServerStatus = function () {
>    $.ajax({ url: "/path/to/your/log/file/script" }).done(function
>  (jqXHR, textStatus) {
>      if (/a regexp matching text in your log
> file/.test(jqXHR.responseText)) {
>        $.facybox("The text you wish the user to see in the popup
> dialogue.");
>       clearInterval(page_check);
>     }
>    });
>  };
>  page_check = setInterval( checkServerStatus, nMilliseconds );
>
>
>
> On 2012-10-10 11:27 AM, Antonio Sun wrote:
>
> Thanks a lot Shaun.
>
>  That sure will pave my way to the right direction.
> I'll start playing.
>
>  Thanks everyone!
>
> On Wed, Oct 10, 2012 at 10:27 AM, Shaun Fryer <sfryer at sourcery.ca> wrote:
>
>> Hi Antonio,
>>
>> That makes sense. Unfortunately it's a little beyond the scope of a
>> simple email to provide a complete solution for your situation.
>> However, you might try something like the following.
>>
>> You'll need two things. #1. an ajax function of some kind. Given that
>> you aren't interested in learning JS, I'd recommend using a
>> cross-browser abstraction library which has an ajax method, such as
>> jQuery. #2. You'll need a popup dialogue of some kind. There are
>> plenty to choose from. For the purposes of providing an example, I've
>> [arbitrarily] chosen the facybox jQuery plugin. I have no direct
>> experience with it, but the API seems simple enough, so it should work
>> fine.
>>
>> Add a script tag including the jQuery library, followed by one for the
>> plugin for your popup ( http://bitbonsai.com/facybox/ ). Now in a
>> separate script tag below this, add code similar to that below
>> (modified accordingly).
>>
>> var nMilliseconds = 60*1000; // frequency of server check in milliseconds
>> var checkServerStatus = function () {
>>   $.ajax({ url: "/path/to/your/log/file/script" }).done(function
>> (jqXHR, textStatus) {
>>     if (/a regexp matching text in your log
>> file/.test(jqXHR.responseText))
>>       $.facybox("The text you wish the user to see in the popup
>> dialogue.");
>>     else setTimeout( checkServerStatus, nMilliseconds );
>>   });
>> };
>> setTimeout( checkServerStatus, nMilliseconds );
>>
>> The above is just pseudo-code, but it *should* work with very little
>> modification, assuming you're using the indicated JS libraries.
>>
>> Hope this helps.
>> --
>> Shaun Fryer
>> ----------------------------------------------------------
>> perl -e 'print chr for map{$_+=22}($ARGV[0])=~/(\d\d)/g' \
>>         52959394107588899482799210587992861082757785799222
>> ----------------------------------------------------------
>>
>>
>>  On Wed, Oct 10, 2012 at 9:51 AM, Antonio Sun <antoniosun at lavabit.com>
>> wrote:
>> > Hi, thanks a lot for your offer Shaun.
>> >
>> > That was actually what I thought the solution to be. Now let's forget
>> what I
>> > said and focus on what I need to accomplish.
>> >
>> > Yes, I totally control the page content. The situation is,
>> >
>> > I am designing a web portal that can launch back-end server side
>> processes.
>> > The problem is that the process can finish in seconds, or it might need
>> > hours to finish, depending how much work the process has. So my design
>> is to
>> > spawn a sub process, and capture all its outputs to a log text file,
>> then
>> > return immediately to the user, in a web notice page saying, your job is
>> > queued; here is the log url; please check manually if is finished or
>> not.
>> >
>> > But my all my fellow coworkers said they don't want to check themselves.
>> > Instead, they want my web portal to check for them. I couldn't think of
>> any
>> > solution from the server side to capture the end of the sub process,
>> then
>> > informed the already submitted web notice page. Hence, I'm turning to
>> the
>> > javascript front-end for solutions. Because I have zero knowledge of
>> > Javascript, it might not be feasible at all. But I know the best
>> solution is
>> > that if I can have a desktop notification mechanism just like gmail
>> does,
>> > that should solve the problem, because my sub process control task does
>> know
>> > when the sub process ends, and write a specific ending tag to the end
>> of the
>> > log file, which is what I was planning to watch/search for. Every page
>> of my
>> > portal does include a standard master template (except the log text
>> file),
>> > so if I can send a signal at the end of my sub process and capture that
>> by
>> > the master template, then pop up a javascript window, that will do as
>> well.
>> >
>> > Sorry for the lengthy gibberish, hope that you can figure something out
>> from
>> > it.
>> >
>> > Thanks
>>
> --
>
> Mark Jubenville | ioncache at gmail.com
>
>
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