Here is one thing I don't quite understand while using $ajax->observeField :
I created a dropdown populated with a list of countries like so ...
echo $html->tableCells(array('<b>Country:</b>', $form->input('country',
array($countries, 'empty' => '-- Select --', 'label' => ''))));
$options = array('url' => 'countrySelect','update' => 'countryAction');
echo $ajax->observeField('UserCountry', $options);
When a country is selected it does what I would expect and creates another
input for "Region" ...
echo $html->tableCells(array('<b>Region:</b>, $form->input('region',
array($regions, 'label' => '', 'empty' => '-- Select --'))));
The part I don't understand is that when I echo debug($regions) it displays
an array of regions as I intended however it is not populating the new
dropdown with the array.
If the script is making it far enough to go ahead and create the "region"
field and the $region array is not empty ... why would it not populate the
dropdown with the array ??
On Mon, Mar 22, 2010 at 5:05 PM, Ed Propsner <crotchf...@gmail.com> wrote:
> Cake and MVC can be a bit daunting for the first time around especially
> when having spent years with conventional code, nothing fancy. I re-wrote my
> Ajax calls and the best I can say is that I didn't have something scripted
> correctly the first time around because Chrome Java Console and FireBug both
> now report that the element is indeed empty.
>
> For the first field I am (was) using $ajax->observeField for field 1. In
> the event that field 1 changed, it creates field 2 accordingly and so on
> down the line with fields 3,4, etc.
>
> I can tell you right off the bat that my problem is ignorance. This all
> feels so alien to me.
>
> I initially had it set up with "onchange" in the options array as you
> suggested. I'm trying to stick with Cake conventions but my first
> inclination was go straight for the head of my default.ctp and start with
> <script type=" ..... ..... ..... new Ajax.Updater ... etc. Force of habit I
> suppose. I'm a tad bit thrown off with controllers, actions, views, etc.
> even though the concept does make sense. Let's say I did want to use
> "onchange" ... where would I put the actual function and what syntax should
> I use? This is the part that is throwing me off.
>
>
> On Mon, Mar 22, 2010 at 5:13 AM, WebbedIT <p...@webbedit.co.uk> wrote:
>
>> This is probably a mute point as you say your other sites are ajax
>> heavy, but what are you using to view the source. I would suggest
>> something like FireBug as it shows the full source including DOM
>> changes via ajax/javascript. It will also show you the results of
>> your ajax requests. You should of course already be using something
>> similar to FireBug if you have been working with ajax a lot in the
>> past.
>>
>> How have you set up a javascript event for the 1st dynamic field your
>> form creates? My first guess is your adding an observer for the 2nd
>> field before it exists in the dom. You can also add an
>> 'onchange'=>'jsfunction()' to the options array of form->input to add
>> events to your form fields, this would attach the event to the field
>> as it's created.
>>
>> HTH
>>
>> Paul
>>
>> Check out the new CakePHP Questions site http://cakeqs.org and help
>> others with their CakePHP related questions.
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>
>
>
> --
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>
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