extranet/library/Application/Controller/Plugin/Theme.php

<?php
class Application_Controller_Plugin_Theme extends Zend_Controller_Plugin_Abstract
{
	public function preDispatch(Zend_Controller_Request_Abstract $request)
	{
	    Zend_Registry::get('firebug')->info('PLUGIN THEME - START');

	    $auth = Zend_Auth::getInstance();
		$theme = 'default'; //$theme = 'mobile';
		if ( $auth->hasIdentity() ) {
			$theme = !empty($auth->getIdentity()->theme) ? $auth->getIdentity()->theme : 'default';
		}

		$module = $request->getModuleName();
		$controller = $request->getControllerName();
		$action = $request->getActionName();

		//Sauvegarde des paramètres du themes pour gérer les scripts et styles à utiliser
		$paramsTheme = new stdClass();
		$paramsTheme->name = $theme;
		$paramsTheme->pathStyle = '/themes/'.$theme.'/styles';
		$paramsTheme->pathScript = '/themes/'.$theme.'/scripts';
		$paramsTheme->pathImg = '/themes/'.$theme.'/images';
		Zend_Registry::set('theme', $paramsTheme);

		//Load bootstrap
		$bootstrap = Zend_Controller_Front::getInstance()->getParam('bootstrap');

		//Get useragent and device informations
		$userAgent = $bootstrap->getResource('useragent');
		$device = $userAgent->getDevice();

		//Module default de l'application
		$layoutPath = APPLICATION_PATH . '/layouts/' . $theme;
		$helperPath = APPLICATION_PATH . '/layouts/helpers';
		$viewPath = APPLICATION_PATH . '/modules/'.$module.'/views/default';

		//Override path for view and layout
		$view = $bootstrap->bootstrap('View')->getResource('View');
		$view->setBasePath($viewPath);
		$view->setHelperPath($helperPath);
		$layout = $bootstrap->bootstrap('Layout')->getResource('Layout');
		$layout->setLayout('layout');
		$layout->setLayoutPath($layoutPath);

		//Load default style and javascript files for the selected theme
		switch ( $theme ) {
			case 'default':
			case 'default2016':
            default:

				$view->doctype('HTML5');

				$view->headMeta()
					->appendHttpEquiv('Content-Type', 'text/html; charset=UTF-8')
					->appendHttpEquiv('Content-Language', 'fr-FR');

				//Favicon - Touch icon for iOS 2.0+ and Android 2.1+
				$view->headLink()->headLink(array(
				    'rel' => 'apple-touch-icon-precomposed',
				    'href' => '/favicon-152.png'
				));
                //Favicon - targeted to any additional png size
				$view->headLink()->headLink(array(
				    'rel' => 'icon',
				    'type' => 'image/png',
				    'href' => '/favicon-32.png'
				));
				$view->headLink()->headLink(array(
                    'rel' => 'shortcut icon',
				    'type' => 'image/x-icon',
				    'href' => '/favicon.ico')
				);

                $UserLogin = false;
                if ( $module == 'auth' ) {
                    $UserLogin = true;
                }

				/**
				 * ===> Standard Styles
				 */
                $view->headLink()
                    ->appendStylesheet('/libs/bootstrap-3.3.6/css/bootstrap.min.css', 'all')
                    ->appendStylesheet('/libs/ui-1.11.4/themes/smoothness/jquery-ui.min.css', 'all')
                    ->appendStylesheet('/libs/qtip/jquery.qtip.min.css', 'all')
                    ->appendStylesheet('/libs/font-awesome-4.5.0/css/font-awesome.min.css', 'all');
				if ( $UserLogin ) {
				    $view->headLink()->appendStylesheet('/themes/default/styles/user-login.css', 'all');
				} else {
				    $view->headLink()->appendStylesheet($paramsTheme->pathStyle.'/main.css', 'all');
				}

				/**
				 * ===> Standard Javascript
				 */
				$view->headScript()
				    ->appendFile('/libs/html5shiv.min.js', 'text/javascript', array('conditional' => 'lt IE 9'))
				    ->appendFile('/libs/respond.min.js', 'text/javascript', array('conditional' => 'lt IE 9'))
				    ->appendFile('/libs/jquery/jquery-1.12.3.min.js', 'text/javascript')
				    ->appendFile('/libs/bootstrap-3.3.6/js/bootstrap.min.js', 'text/javascript');

			    if ( $UserLogin ) {
			        $view->headScript()
                        ->appendFile('/libs/jquery/jquery.placeholder.min.js', 'text/javascript', array('conditional' => 'lt IE 9'));
			    }

                $view->headScript()
				    ->appendFile('/libs/ui-1.11.4/jquery-ui.min.js', 'text/javascript')
				    ->appendFile('/libs/ui-1.11.4/i18n/datepicker-fr.js', 'text/javascript');


				if ( ! $UserLogin ) {
				    $view->headScript()
                        ->appendFile('/libs/qtip/jquery.qtip.min.js', 'text/javascript')
				        ->appendFile($paramsTheme->pathScript.'/script.js', 'text/javascript');
				}

				break;

			case 'mobile': //@todo

			    $view->doctype('HTML5');

			    $view->headMeta()
                    ->appendHttpEquiv('Content-Type', 'text/html; charset=UTF-8')
                    ->appendHttpEquiv('Content-Language', 'fr-FR')
                    ->appendName('viewport', 'width=device-width, initial-scale=1');

			    //Favicon - Touch icon for iOS 2.0+ and Android 2.1+
			    $view->headLink()->headLink(array(
			        'rel' => 'apple-touch-icon-precomposed',
			        'href' => '/favicon-152.png'
			    ));
			    //Favicon - targeted to any additional png size
			    $view->headLink()->headLink(array(
			        'rel' => 'icon',
			        'type' => 'image/png',
			        'href' => '/favicon-32.png'
			    ));
			    $view->headLink()->headLink(array(
			        'rel' => 'shortcut icon',
			        'type' => 'image/x-icon',
			        'href' => '/favicon.ico')
			    );

				//Style
				$view->headLink()
					->appendStylesheet('/libs/mobile/1.4.2/jquery.mobile-1.4.2.min.css', 'all');

				//JavaScript
				$view->headScript()
				    ->appendFile('/libs/jquery/jquery-2.1.0.min.js', 'text/javascript')
				    ->appendFile('/libs/mobile/1.4.2/jquery.mobile-1.4.2.min.js', 'text/javascript')
					->appendFile($paramsTheme->pathScript.'/script.js', 'text/javascript');

				break;
		}

		Zend_Registry::get('firebug')->info('PLUGIN THEME - STOP');
	}
}