CakePHP JS Helper: How to set jQueryObject var outside of view?

Question

Hi,

I am using the JS helper in Cake 1.3 and due to the need to use jQuery in noConflict mode, I have to set this in every view:

$this->Js->JqueryEngine->jQueryObject = 'jQuery';

I have a LOT of views that rely on this, and I'd like to avoid having to enter this line at the top of every view that needs it. I tried setting the jQueryObject var in my app_controller.php file, but it did not work. I'd rather not hack the core jquery_engine.php file.

Is there a way to set the jQueryObject var globally from within my app?

Thanks!

Answer 1

There's probably no way to set the default value "externally" without breaking MVC constraints. You can simply subclass the JsHelper and customize it internally though:

/app/views/helpers/my_js.php

App::import('Helper', 'Js');

class MyJsHelper extends JsHelper {

    public function __construct($settings = array()) {
        parent::construct($settings);
        $this->JqueryEngine->jQueryObject = 'jQuery';
    }

}

This does mean you have to change every instance of $this->Js to $this->MyJs, but shouldn't otherwise be a problem.

(Untested solution, since I've never touched the JsHelper, but you get the idea...)

---

PS: You may also be able to simply subclass the JqueryEngineHelper directly, overriding the var $jQueryObject = '$'; with var $jQueryObject = 'jQuery';. Again though, as I've never touched the JsHelper, I don't know if it would cause any problems to rename the class (as you will have to when subclassing).

Answer 2

Why not do this in your layout? That should propgate down to all your views. Just make sure the setting would be below

print $scripts_for_layout;

so that jquery.js would be loaded.

Answer 3

How I solved it:

I created my own Js Engine helper (views/helpers/my_jquery_engine.php) with the following code:

App::import('Helper', 'JqueryEngine');

class MyJqueryEngineHelper extends JqueryEngineHelper {
    var $jQueryObject = 'jQuery';

}

Then in my app_controller, I say: var $helpers = array('Js' => array('MyJquery')); Works like a charm.