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View Model

The ViewModel is used to send data to views for display. It is typically created in a controller's action, and returned from there:


namespace MyModule\Controller;

use Zend\Mvc\Controller\AbstractActionController;
use Zend\View\Model\ViewModel;

class IndexController extends AbstractActionController
{
    public function indexAction()
    {
        $view = new ViewModel();
        // set variables for the view
        $view->setVariable('mything', $mything);
        return $view;
    }
}

From an Event

Adding <head> content to a View

Views are made available via a number of Events. This allows adding to the <head> element of a page in many ways.

For any view.* event, the view is the target. Thus, to get the view, a module needs to include code like this:


    public function attachListeners(SharedEventManagerInterface $sharedEventManager)
    {
        $sharedEventManager->attach(
            $identifier,
            'view.show.after',
            array($this, 'addCSS')
        );
    }

    public function addCSS($event)
    {
        $view = $event->getTarget();
        $view->headLink()->appendStylesheet($view->assetUrl('css/mymodule.css', 'MyModule'));
    }

The first parameter for $view->assetUrl() is a path within the module's /asset directory, and the second parameter is the namespace for the module.

Javascript files are added similarly, using

    $view->headScript()->appendFile($view->assetUrl('js/mymodule.js', 'MyModule'));

From a Module::getConfigForm() function

All of the above applies to working with a module's getConfigForm function, but the object passed in is a Zend\View\Renderer\PhpRenderer object. The same methods can be used.

See Also