dpn68721 2013-07-03 15:43
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扩展核心Laravel 4组件类?

I'd like to tweak the Illuminate\Html\FormBuilder class in Laravel 4 to automatically include a CSS class with each input, corresponding to the type of input, e.g. <input type="radio" class="radio" />

I've created my own class, which extends the original:

namespace Shady;

class FormBuilder extends Illuminate\Html\FormBuilder {

    public function input($type, $name, $value = null, $options = array()) {
        $options['class'] = isset($options['class'])
                ? implode(' ', array_unique(array_merge(array($type), explode(' ', $options['class']))))
                : $type;

        parent::input($type, $name, $value, $options);
    }
}

Now, the question is, how do I get Laravel 4 to use it?

I've had a look in app/config/app.php, and there's only a reference to the HTML Fascade class. I'm not sure how or where that translates into the Illuminate\Support\ServiceProvider\HtmlServiceProvider class, but that class hard-codes the FormBuilder class, ala

protected function registerFormBuilder()
{
    $this->app['form'] = $this->app->share(function($app)
    {
        $form = new FormBuilder($app['html'], $app['url'], $app['session']->getToken());

        return $form->setSessionStore($app['session']);
    });
}

I'm wondering whether I can either trick it into loading my version of the class somehow? Or if not, how else do I add in this functionality smoothly and neatly? Cheers.

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