mirror of
https://github.com/YunoHost-Apps/limesurvey_ynh.git
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547 lines
17 KiB
PHP
547 lines
17 KiB
PHP
<?php
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/**
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* CWebApplication class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright 2008-2013 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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/**
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* CWebApplication extends CApplication by providing functionalities specific to Web requests.
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*
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* CWebApplication manages the controllers in MVC pattern, and provides the following additional
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* core application components:
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* <ul>
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* <li>{@link urlManager}: provides URL parsing and constructing functionality;</li>
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* <li>{@link request}: encapsulates the Web request information;</li>
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* <li>{@link session}: provides the session-related functionalities;</li>
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* <li>{@link assetManager}: manages the publishing of private asset files.</li>
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* <li>{@link user}: represents the user session information.</li>
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* <li>{@link themeManager}: manages themes.</li>
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* <li>{@link authManager}: manages role-based access control (RBAC).</li>
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* <li>{@link clientScript}: manages client scripts (javascripts and CSS).</li>
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* <li>{@link widgetFactory}: creates widgets and supports widget skinning.</li>
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* </ul>
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*
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* User requests are resolved as controller-action pairs and additional parameters.
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* CWebApplication creates the requested controller instance and let it to handle
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* the actual user request. If the user does not specify controller ID, it will
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* assume {@link defaultController} is requested (which defaults to 'site').
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*
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* Controller class files must reside under the directory {@link getControllerPath controllerPath}
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* (defaults to 'protected/controllers'). The file name and the class name must be
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* the same as the controller ID with the first letter in upper case and appended with 'Controller'.
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* For example, the controller 'article' is defined by the class 'ArticleController'
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* which is in the file 'protected/controllers/ArticleController.php'.
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*
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* @property IAuthManager $authManager The authorization manager component.
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* @property CAssetManager $assetManager The asset manager component.
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* @property CHttpSession $session The session component.
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* @property CWebUser $user The user session information.
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* @property IViewRenderer $viewRenderer The view renderer.
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* @property CClientScript $clientScript The client script manager.
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* @property IWidgetFactory $widgetFactory The widget factory.
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* @property CThemeManager $themeManager The theme manager.
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* @property CTheme $theme The theme used currently. Null if no theme is being used.
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* @property CController $controller The currently active controller.
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* @property string $controllerPath The directory that contains the controller classes. Defaults to 'protected/controllers'.
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* @property string $viewPath The root directory of view files. Defaults to 'protected/views'.
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* @property string $systemViewPath The root directory of system view files. Defaults to 'protected/views/system'.
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* @property string $layoutPath The root directory of layout files. Defaults to 'protected/views/layouts'.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @package system.web
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* @since 1.0
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*/
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class CWebApplication extends CApplication
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{
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/**
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* @return string the route of the default controller, action or module. Defaults to 'site'.
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*/
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public $defaultController='site';
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/**
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* @var mixed the application-wide layout. Defaults to 'main' (relative to {@link getLayoutPath layoutPath}).
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* If this is false, then no layout will be used.
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*/
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public $layout='main';
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/**
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* @var array mapping from controller ID to controller configurations.
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* Each name-value pair specifies the configuration for a single controller.
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* A controller configuration can be either a string or an array.
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* If the former, the string should be the class name or
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* {@link YiiBase::getPathOfAlias class path alias} of the controller.
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* If the latter, the array must contain a 'class' element which specifies
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* the controller's class name or {@link YiiBase::getPathOfAlias class path alias}.
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* The rest name-value pairs in the array are used to initialize
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* the corresponding controller properties. For example,
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* <pre>
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* array(
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* 'post'=>array(
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* 'class'=>'path.to.PostController',
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* 'pageTitle'=>'something new',
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* ),
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* 'user'=>'path.to.UserController',
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* )
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* </pre>
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*
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* Note, when processing an incoming request, the controller map will first be
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* checked to see if the request can be handled by one of the controllers in the map.
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* If not, a controller will be searched for under the {@link getControllerPath default controller path}.
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*/
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public $controllerMap=array();
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/**
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* @var array the configuration specifying a controller which should handle
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* all user requests. This is mainly used when the application is in maintenance mode
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* and we should use a controller to handle all incoming requests.
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* The configuration specifies the controller route (the first element)
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* and GET parameters (the rest name-value pairs). For example,
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* <pre>
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* array(
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* 'offline/notice',
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* 'param1'=>'value1',
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* 'param2'=>'value2',
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* )
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* </pre>
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* Defaults to null, meaning catch-all is not effective.
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*/
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public $catchAllRequest;
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/**
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* @var string Namespace that should be used when loading controllers.
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* Default is to use global namespace.
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* @since 1.1.11
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*/
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public $controllerNamespace;
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private $_controllerPath;
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private $_viewPath;
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private $_systemViewPath;
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private $_layoutPath;
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private $_controller;
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private $_theme;
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/**
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* Processes the current request.
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* It first resolves the request into controller and action,
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* and then creates the controller to perform the action.
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*/
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public function processRequest()
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{
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if(is_array($this->catchAllRequest) && isset($this->catchAllRequest[0]))
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{
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$route=$this->catchAllRequest[0];
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foreach(array_splice($this->catchAllRequest,1) as $name=>$value)
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$_GET[$name]=$value;
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}
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else
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$route=$this->getUrlManager()->parseUrl($this->getRequest());
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$this->runController($route);
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}
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/**
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* Registers the core application components.
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* This method overrides the parent implementation by registering additional core components.
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* @see setComponents
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*/
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protected function registerCoreComponents()
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{
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parent::registerCoreComponents();
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$components=array(
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'session'=>array(
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'class'=>'CHttpSession',
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),
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'assetManager'=>array(
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'class'=>'CAssetManager',
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),
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'user'=>array(
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'class'=>'CWebUser',
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),
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'themeManager'=>array(
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'class'=>'CThemeManager',
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),
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'authManager'=>array(
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'class'=>'CPhpAuthManager',
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),
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'clientScript'=>array(
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'class'=>'CClientScript',
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),
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'widgetFactory'=>array(
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'class'=>'CWidgetFactory',
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),
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);
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$this->setComponents($components);
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}
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/**
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* @return IAuthManager the authorization manager component
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*/
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public function getAuthManager()
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{
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return $this->getComponent('authManager');
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}
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/**
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* @return CAssetManager the asset manager component
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*/
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public function getAssetManager()
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{
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return $this->getComponent('assetManager');
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}
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/**
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* @return CHttpSession the session component
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*/
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public function getSession()
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{
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return $this->getComponent('session');
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}
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/**
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* @return CWebUser the user session information
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*/
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public function getUser()
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{
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return $this->getComponent('user');
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}
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/**
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* Returns the view renderer.
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* If this component is registered and enabled, the default
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* view rendering logic defined in {@link CBaseController} will
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* be replaced by this renderer.
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* @return IViewRenderer the view renderer.
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*/
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public function getViewRenderer()
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{
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return $this->getComponent('viewRenderer');
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}
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/**
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* Returns the client script manager.
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* @return CClientScript the client script manager
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*/
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public function getClientScript()
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{
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return $this->getComponent('clientScript');
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}
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/**
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* Returns the widget factory.
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* @return IWidgetFactory the widget factory
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* @since 1.1
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*/
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public function getWidgetFactory()
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{
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return $this->getComponent('widgetFactory');
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}
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/**
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* @return CThemeManager the theme manager.
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*/
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public function getThemeManager()
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{
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return $this->getComponent('themeManager');
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}
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/**
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* @return CTheme the theme used currently. Null if no theme is being used.
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*/
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public function getTheme()
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{
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if(is_string($this->_theme))
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$this->_theme=$this->getThemeManager()->getTheme($this->_theme);
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return $this->_theme;
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}
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/**
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* @param string $value the theme name
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*/
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public function setTheme($value)
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{
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$this->_theme=$value;
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}
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/**
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* Creates the controller and performs the specified action.
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* @param string $route the route of the current request. See {@link createController} for more details.
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* @throws CHttpException if the controller could not be created.
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*/
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public function runController($route)
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{
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if(($ca=$this->createController($route))!==null)
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{
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list($controller,$actionID)=$ca;
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$oldController=$this->_controller;
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$this->_controller=$controller;
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$controller->init();
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$controller->run($actionID);
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$this->_controller=$oldController;
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}
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else
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throw new CHttpException(404,Yii::t('yii','Unable to resolve the request "{route}".',
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array('{route}'=>$route===''?$this->defaultController:$route)));
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}
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/**
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* Creates a controller instance based on a route.
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* The route should contain the controller ID and the action ID.
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* It may also contain additional GET variables. All these must be concatenated together with slashes.
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*
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* This method will attempt to create a controller in the following order:
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* <ol>
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* <li>If the first segment is found in {@link controllerMap}, the corresponding
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* controller configuration will be used to create the controller;</li>
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* <li>If the first segment is found to be a module ID, the corresponding module
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* will be used to create the controller;</li>
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* <li>Otherwise, it will search under the {@link controllerPath} to create
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* the corresponding controller. For example, if the route is "admin/user/create",
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* then the controller will be created using the class file "protected/controllers/admin/UserController.php".</li>
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* </ol>
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* @param string $route the route of the request.
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* @param CWebModule $owner the module that the new controller will belong to. Defaults to null, meaning the application
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* instance is the owner.
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* @return array the controller instance and the action ID. Null if the controller class does not exist or the route is invalid.
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*/
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public function createController($route,$owner=null)
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{
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if($owner===null)
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$owner=$this;
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if(($route=trim($route,'/'))==='')
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$route=$owner->defaultController;
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$caseSensitive=$this->getUrlManager()->caseSensitive;
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$route.='/';
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while(($pos=strpos($route,'/'))!==false)
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{
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$id=substr($route,0,$pos);
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if(!preg_match('/^\w+$/',$id))
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return null;
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if(!$caseSensitive)
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$id=strtolower($id);
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$route=(string)substr($route,$pos+1);
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if(!isset($basePath)) // first segment
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{
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if(isset($owner->controllerMap[$id]))
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{
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return array(
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Yii::createComponent($owner->controllerMap[$id],$id,$owner===$this?null:$owner),
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$this->parseActionParams($route),
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);
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}
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if(($module=$owner->getModule($id))!==null)
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return $this->createController($route,$module);
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$basePath=$owner->getControllerPath();
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$controllerID='';
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}
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else
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$controllerID.='/';
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$className=ucfirst($id).'Controller';
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$classFile=$basePath.DIRECTORY_SEPARATOR.$className.'.php';
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if($owner->controllerNamespace!==null)
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$className=$owner->controllerNamespace.'\\'.$className;
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if(is_file($classFile))
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{
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if(!class_exists($className,false))
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require($classFile);
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if(class_exists($className,false) && is_subclass_of($className,'CController'))
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{
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$id[0]=strtolower($id[0]);
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return array(
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new $className($controllerID.$id,$owner===$this?null:$owner),
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$this->parseActionParams($route),
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);
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}
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return null;
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}
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$controllerID.=$id;
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$basePath.=DIRECTORY_SEPARATOR.$id;
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}
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}
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/**
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* Parses a path info into an action ID and GET variables.
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* @param string $pathInfo path info
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* @return string action ID
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*/
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protected function parseActionParams($pathInfo)
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{
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if(($pos=strpos($pathInfo,'/'))!==false)
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{
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$manager=$this->getUrlManager();
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$manager->parsePathInfo((string)substr($pathInfo,$pos+1));
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$actionID=substr($pathInfo,0,$pos);
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return $manager->caseSensitive ? $actionID : strtolower($actionID);
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}
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else
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return $pathInfo;
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}
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/**
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* @return CController the currently active controller
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*/
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public function getController()
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{
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return $this->_controller;
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}
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/**
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* @param CController $value the currently active controller
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*/
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public function setController($value)
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{
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$this->_controller=$value;
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}
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/**
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* @return string the directory that contains the controller classes. Defaults to 'protected/controllers'.
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*/
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public function getControllerPath()
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{
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if($this->_controllerPath!==null)
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return $this->_controllerPath;
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else
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return $this->_controllerPath=$this->getBasePath().DIRECTORY_SEPARATOR.'controllers';
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}
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/**
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* @param string $value the directory that contains the controller classes.
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* @throws CException if the directory is invalid
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*/
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public function setControllerPath($value)
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{
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if(($this->_controllerPath=realpath($value))===false || !is_dir($this->_controllerPath))
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throw new CException(Yii::t('yii','The controller path "{path}" is not a valid directory.',
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array('{path}'=>$value)));
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}
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/**
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* @return string the root directory of view files. Defaults to 'protected/views'.
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*/
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public function getViewPath()
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{
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if($this->_viewPath!==null)
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return $this->_viewPath;
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else
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return $this->_viewPath=$this->getBasePath().DIRECTORY_SEPARATOR.'views';
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}
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/**
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* @param string $path the root directory of view files.
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* @throws CException if the directory does not exist.
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*/
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public function setViewPath($path)
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{
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if(($this->_viewPath=realpath($path))===false || !is_dir($this->_viewPath))
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throw new CException(Yii::t('yii','The view path "{path}" is not a valid directory.',
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array('{path}'=>$path)));
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}
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/**
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* @return string the root directory of system view files. Defaults to 'protected/views/system'.
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*/
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public function getSystemViewPath()
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{
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if($this->_systemViewPath!==null)
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return $this->_systemViewPath;
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else
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return $this->_systemViewPath=$this->getViewPath().DIRECTORY_SEPARATOR.'system';
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}
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/**
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* @param string $path the root directory of system view files.
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* @throws CException if the directory does not exist.
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*/
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public function setSystemViewPath($path)
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{
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if(($this->_systemViewPath=realpath($path))===false || !is_dir($this->_systemViewPath))
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throw new CException(Yii::t('yii','The system view path "{path}" is not a valid directory.',
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array('{path}'=>$path)));
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}
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/**
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* @return string the root directory of layout files. Defaults to 'protected/views/layouts'.
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*/
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public function getLayoutPath()
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{
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if($this->_layoutPath!==null)
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return $this->_layoutPath;
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else
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return $this->_layoutPath=$this->getViewPath().DIRECTORY_SEPARATOR.'layouts';
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}
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/**
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* @param string $path the root directory of layout files.
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* @throws CException if the directory does not exist.
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*/
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public function setLayoutPath($path)
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{
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if(($this->_layoutPath=realpath($path))===false || !is_dir($this->_layoutPath))
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throw new CException(Yii::t('yii','The layout path "{path}" is not a valid directory.',
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array('{path}'=>$path)));
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}
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/**
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* The pre-filter for controller actions.
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* This method is invoked before the currently requested controller action and all its filters
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* are executed. You may override this method with logic that needs to be done
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* before all controller actions.
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* @param CController $controller the controller
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* @param CAction $action the action
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* @return boolean whether the action should be executed.
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*/
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public function beforeControllerAction($controller,$action)
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{
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return true;
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}
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/**
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* The post-filter for controller actions.
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* This method is invoked after the currently requested controller action and all its filters
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* are executed. You may override this method with logic that needs to be done
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* after all controller actions.
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* @param CController $controller the controller
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* @param CAction $action the action
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*/
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public function afterControllerAction($controller,$action)
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{
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}
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/**
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* Do not call this method. This method is used internally to search for a module by its ID.
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* @param string $id module ID
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* @return CWebModule the module that has the specified ID. Null if no module is found.
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*/
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public function findModule($id)
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{
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if(($controller=$this->getController())!==null && ($module=$controller->getModule())!==null)
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{
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do
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{
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if(($m=$module->getModule($id))!==null)
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return $m;
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} while(($module=$module->getParentModule())!==null);
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}
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if(($m=$this->getModule($id))!==null)
|
|
return $m;
|
|
}
|
|
|
|
/**
|
|
* Initializes the application.
|
|
* This method overrides the parent implementation by preloading the 'request' component.
|
|
*/
|
|
protected function init()
|
|
{
|
|
parent::init();
|
|
// preload 'request' so that it has chance to respond to onBeginRequest event.
|
|
$this->getRequest();
|
|
}
|
|
}
|