Qiang Xue
13 years ago
8 changed files with 829 additions and 279 deletions
@ -0,0 +1,110 @@
|
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<?php |
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/** |
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* CAction 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 Copyright © 2008-2011 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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/** |
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* CAction is the base class for all controller action classes. |
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* |
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* CAction provides a way to divide a complex controller into |
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* smaller actions in separate class files. |
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* |
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* Derived classes must implement {@link run()} which is invoked by |
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* controller when the action is requested. |
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* |
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* An action instance can access its controller via {@link getController controller} property. |
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* |
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* @property CController $controller The controller who owns this action. |
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* @property string $id Id of this action. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @version $Id$ |
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* @package system.web.actions |
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* @since 1.0 |
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*/ |
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abstract class CAction extends CComponent implements IAction |
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{ |
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private $_id; |
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private $_controller; |
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|
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/** |
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* Constructor. |
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* @param CController $controller the controller who owns this action. |
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* @param string $id id of the action. |
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*/ |
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public function __construct($controller,$id) |
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{ |
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$this->_controller=$controller; |
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$this->_id=$id; |
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} |
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|
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/** |
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* @return CController the controller who owns this action. |
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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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/** |
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* @return string id of this action |
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*/ |
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public function getId() |
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{ |
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return $this->_id; |
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} |
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|
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/** |
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* Runs the action with the supplied request parameters. |
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* This method is internally called by {@link CController::runAction()}. |
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* @param array $params the request parameters (name=>value) |
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* @return boolean whether the request parameters are valid |
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* @since 1.1.7 |
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*/ |
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public function runWithParams($params) |
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{ |
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$method=new ReflectionMethod($this, 'run'); |
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if($method->getNumberOfParameters()>0) |
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return $this->runWithParamsInternal($this, $method, $params); |
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else |
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return $this->run(); |
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} |
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|
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/** |
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* Executes a method of an object with the supplied named parameters. |
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* This method is internally used. |
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* @param mixed $object the object whose method is to be executed |
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* @param ReflectionMethod $method the method reflection |
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* @param array $params the named parameters |
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* @return boolean whether the named parameters are valid |
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* @since 1.1.7 |
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*/ |
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protected function runWithParamsInternal($object, $method, $params) |
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{ |
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$ps=array(); |
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foreach($method->getParameters() as $i=>$param) |
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{ |
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$name=$param->getName(); |
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if(isset($params[$name])) |
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{ |
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if($param->isArray()) |
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$ps[]=is_array($params[$name]) ? $params[$name] : array($params[$name]); |
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else if(!is_array($params[$name])) |
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$ps[]=$params[$name]; |
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else |
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return false; |
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} |
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else if($param->isDefaultValueAvailable()) |
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$ps[]=$param->getDefaultValue(); |
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else |
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return false; |
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} |
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$method->invokeArgs($object,$ps); |
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return true; |
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} |
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} |
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@ -0,0 +1,75 @@
|
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<?php |
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/** |
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* CFilter 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 Copyright © 2008-2011 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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/** |
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* CFilter is the base class for all filters. |
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* |
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* A filter can be applied before and after an action is executed. |
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* It can modify the context that the action is to run or decorate the result that the |
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* action generates. |
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* |
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* Override {@link preFilter()} to specify the filtering logic that should be applied |
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* before the action, and {@link postFilter()} for filtering logic after the action. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @version $Id$ |
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* @package system.web.filters |
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* @since 1.0 |
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*/ |
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class CFilter extends CComponent implements IFilter |
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{ |
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/** |
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* Performs the filtering. |
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* The default implementation is to invoke {@link preFilter} |
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* and {@link postFilter} which are meant to be overridden |
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* child classes. If a child class needs to override this method, |
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* make sure it calls <code>$filterChain->run()</code> |
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* if the action should be executed. |
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* @param CFilterChain $filterChain the filter chain that the filter is on. |
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*/ |
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public function filter($filterChain) |
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{ |
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if($this->preFilter($filterChain)) |
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{ |
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$filterChain->run(); |
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$this->postFilter($filterChain); |
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} |
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} |
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|
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/** |
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* Initializes the filter. |
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* This method is invoked after the filter properties are initialized |
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* and before {@link preFilter} is called. |
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* You may override this method to include some initialization logic. |
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* @since 1.1.4 |
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*/ |
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public function init() |
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{ |
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} |
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|
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/** |
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* Performs the pre-action filtering. |
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* @param CFilterChain $filterChain the filter chain that the filter is on. |
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* @return boolean whether the filtering process should continue and the action |
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* should be executed. |
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*/ |
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protected function preFilter($filterChain) |
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{ |
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return true; |
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} |
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|
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/** |
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* Performs the post-action filtering. |
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* @param CFilterChain $filterChain the filter chain that the filter is on. |
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*/ |
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protected function postFilter($filterChain) |
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{ |
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} |
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} |
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@ -0,0 +1,490 @@
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<?php |
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/** |
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* Controller class file. |
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* |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright © 2008-2012 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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namespace yii\base; |
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|
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/** |
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* Controller is the base class for {@link CController} and {@link CWidget}. |
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* |
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* It provides the common functionalities shared by controllers who need to render views. |
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* |
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* Controller also implements the support for the following features: |
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* <ul> |
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* <li>{@link CClipWidget Clips} : a clip is a piece of captured output that can be inserted elsewhere.</li> |
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* <li>{@link CWidget Widgets} : a widget is a self-contained sub-controller with its own view and model.</li> |
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* <li>{@link COutputCache Fragment cache} : fragment cache selectively caches a portion of the output.</li> |
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* </ul> |
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* |
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* To use a widget in a view, use the following in the view: |
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* <pre> |
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* $this->widget('path.to.widgetClass',array('property1'=>'value1',...)); |
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* </pre> |
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* or |
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* <pre> |
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* $this->beginWidget('path.to.widgetClass',array('property1'=>'value1',...)); |
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* // ... display other contents here |
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* $this->endWidget(); |
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* </pre> |
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* |
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* To create a clip, use the following: |
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* <pre> |
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* $this->beginClip('clipID'); |
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* // ... display the clip contents |
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* $this->endClip(); |
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* </pre> |
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* Then, in a different view or place, the captured clip can be inserted as: |
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* <pre> |
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* echo $this->clips['clipID']; |
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* </pre> |
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* |
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* Note that $this in the code above refers to current controller so, for example, |
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* if you need to access clip from a widget where $this refers to widget itself |
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* you need to do it the following way: |
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* |
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* <pre> |
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* echo $this->getController()->clips['clipID']; |
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* </pre> |
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* |
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* To use fragment cache, do as follows, |
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* <pre> |
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* if($this->beginCache('cacheID',array('property1'=>'value1',...)) |
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* { |
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* // ... display the content to be cached here |
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* $this->endCache(); |
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* } |
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* </pre> |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @since 2.0 |
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*/ |
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abstract class Controller extends Component implements Initable |
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{ |
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/** |
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* @var string the name of the default action. Defaults to 'index'. |
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*/ |
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public $defaultAction = 'index'; |
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|
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private $_id; |
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private $_action; |
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private $_module; |
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|
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|
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/** |
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* @param string $id id of this controller |
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* @param CWebModule $module the module that this controller belongs to. |
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*/ |
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public function __construct($id, $module = null) |
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{ |
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$this->_id = $id; |
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$this->_module = $module; |
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} |
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|
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/** |
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* Initializes the controller. |
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* This method is called by the application before the controller starts to execute. |
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* You may override this method to perform the needed initialization for the controller. |
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*/ |
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public function init() |
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{ |
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} |
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|
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/** |
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* Returns the filter configurations. |
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* |
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* By overriding this method, child classes can specify filters to be applied to actions. |
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* |
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* This method returns an array of filter specifications. Each array element specify a single filter. |
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* |
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* For a method-based filter (called inline filter), it is specified as 'FilterName[ +|- Action1, Action2, ...]', |
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* where the '+' ('-') operators describe which actions should be (should not be) applied with the filter. |
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* |
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* For a class-based filter, it is specified as an array like the following: |
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* <pre> |
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* array( |
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* 'FilterClass[ +|- Action1, Action2, ...]', |
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* 'name1'=>'value1', |
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* 'name2'=>'value2', |
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* ... |
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* ) |
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* </pre> |
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* where the name-value pairs will be used to initialize the properties of the filter. |
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* |
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* Note, in order to inherit filters defined in the parent class, a child class needs to |
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* merge the parent filters with child filters using functions like array_merge(). |
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* |
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* @return array a list of filter configurations. |
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* @see CFilter |
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*/ |
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public function filters() |
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{ |
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return array(); |
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} |
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|
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/** |
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* Returns a list of external action classes. |
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* Array keys are action IDs, and array values are the corresponding |
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* action class in dot syntax (e.g. 'edit'=>'application.controllers.article.EditArticle') |
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* or arrays representing the configuration of the actions, such as the following, |
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* <pre> |
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* return array( |
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* 'action1'=>'path.to.Action1Class', |
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* 'action2'=>array( |
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* 'class'=>'path.to.Action2Class', |
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* 'property1'=>'value1', |
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* 'property2'=>'value2', |
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* ), |
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* ); |
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* </pre> |
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* Derived classes may override this method to declare external actions. |
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* |
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* Note, in order to inherit actions defined in the parent class, a child class needs to |
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* merge the parent actions with child actions using functions like array_merge(). |
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* |
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* You may import actions from an action provider |
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* (such as a widget, see {@link CWidget::actions}), like the following: |
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* <pre> |
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* return array( |
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* ...other actions... |
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* // import actions declared in ProviderClass::actions() |
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* // the action IDs will be prefixed with 'pro.' |
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* 'pro.'=>'path.to.ProviderClass', |
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* // similar as above except that the imported actions are |
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* // configured with the specified initial property values |
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* 'pro2.'=>array( |
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* 'class'=>'path.to.ProviderClass', |
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* 'action1'=>array( |
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* 'property1'=>'value1', |
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* ), |
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* 'action2'=>array( |
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* 'property2'=>'value2', |
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* ), |
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* ), |
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* ) |
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* </pre> |
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* |
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* In the above, we differentiate action providers from other action |
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* declarations by the array keys. For action providers, the array keys |
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* must contain a dot. As a result, an action ID 'pro2.action1' will |
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* be resolved as the 'action1' action declared in the 'ProviderClass'. |
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* |
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* @return array list of external action classes |
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* @see createAction |
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*/ |
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public function actions() |
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{ |
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return array(); |
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} |
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|
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/** |
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* Returns the access rules for this controller. |
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* Override this method if you use the {@link filterAccessControl accessControl} filter. |
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* @return array list of access rules. See {@link CAccessControlFilter} for details about rule specification. |
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*/ |
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public function accessRules() |
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{ |
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return array(); |
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} |
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|
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/** |
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* Runs the named action. |
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* Filters specified via {@link filters()} will be applied. |
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* @param string $actionID action ID |
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* @throws CHttpException if the action does not exist or the action name is not proper. |
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* @see filters |
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* @see createAction |
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* @see runAction |
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*/ |
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public function run($actionID) |
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{ |
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if (($action = $this->createAction($actionID)) !== null) { |
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if (($parent = $this->getModule()) === null) { |
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$parent = Yii::app(); |
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} |
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if ($parent->beforeControllerAction($this, $action)) { |
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$this->runActionWithFilters($action, $this->filters()); |
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$parent->afterControllerAction($this, $action); |
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} |
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} |
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else |
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{ |
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$this->missingAction($actionID); |
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} |
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} |
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|
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/** |
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* Runs an action with the specified filters. |
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* A filter chain will be created based on the specified filters |
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* and the action will be executed then. |
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* @param CAction $action the action to be executed. |
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* @param array $filters list of filters to be applied to the action. |
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* @see filters |
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* @see createAction |
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* @see runAction |
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*/ |
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public function runActionWithFilters($action, $filters) |
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{ |
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if (empty($filters)) { |
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$this->runAction($action); |
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} |
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else |
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{ |
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$priorAction = $this->_action; |
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$this->_action = $action; |
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CFilterChain::create($this, $action, $filters)->run(); |
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$this->_action = $priorAction; |
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} |
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} |
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|
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/** |
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* Runs the action after passing through all filters. |
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* This method is invoked by {@link runActionWithFilters} after all possible filters have been executed |
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* and the action starts to run. |
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* @param CAction $action action to run |
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*/ |
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public function runAction($action) |
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{ |
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$priorAction = $this->_action; |
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$this->_action = $action; |
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if ($this->beforeAction($action)) { |
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if ($action->runWithParams($this->getActionParams()) === false) { |
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$this->invalidActionParams($action); |
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} |
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else |
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{ |
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$this->afterAction($action); |
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} |
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} |
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$this->_action = $priorAction; |
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} |
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|
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/** |
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* Returns the request parameters that will be used for action parameter binding. |
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* By default, this method will return $_GET. You may override this method if you |
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* want to use other request parameters (e.g. $_GET+$_POST). |
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* @return array the request parameters to be used for action parameter binding |
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* @since 1.1.7 |
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*/ |
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public function getActionParams() |
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{ |
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return $_GET; |
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} |
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|
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/** |
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* This method is invoked when the request parameters do not satisfy the requirement of the specified action. |
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* The default implementation will throw a 400 HTTP exception. |
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* @param CAction $action the action being executed |
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* @since 1.1.7 |
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*/ |
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public function invalidActionParams($action) |
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{ |
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throw new CHttpException(400, Yii::t('yii', 'Your request is invalid.')); |
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} |
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|
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/** |
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* Creates the action instance based on the action name. |
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* The action can be either an inline action or an object. |
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* The latter is created by looking up the action map specified in {@link actions}. |
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* @param string $actionID ID of the action. If empty, the {@link defaultAction default action} will be used. |
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* @return CAction the action instance, null if the action does not exist. |
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* @see actions |
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*/ |
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public function createAction($actionID) |
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{ |
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if ($actionID === '') { |
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$actionID = $this->defaultAction; |
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} |
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if (method_exists($this, 'action' . $actionID) && strcasecmp($actionID, 's')) // we have actions method |
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{ |
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return new CInlineAction($this, $actionID); |
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} |
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else |
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{ |
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$action = $this->createActionFromMap($this->actions(), $actionID, $actionID); |
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if ($action !== null && !method_exists($action, 'run')) { |
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throw new CException(Yii::t('yii', 'Action class {class} must implement the "run" method.', array('{class}' => get_class($action)))); |
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} |
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return $action; |
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} |
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} |
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|
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/** |
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* Creates the action instance based on the action map. |
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* This method will check to see if the action ID appears in the given |
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* action map. If so, the corresponding configuration will be used to |
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* create the action instance. |
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* @param array $actionMap the action map |
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* @param string $actionID the action ID that has its prefix stripped off |
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* @param string $requestActionID the originally requested action ID |
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* @param array $config the action configuration that should be applied on top of the configuration specified in the map |
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* @return CAction the action instance, null if the action does not exist. |
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*/ |
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protected function createActionFromMap($actionMap, $actionID, $requestActionID, $config = array()) |
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{ |
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if (($pos = strpos($actionID, '.')) === false && isset($actionMap[$actionID])) { |
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$baseConfig = is_array($actionMap[$actionID]) ? $actionMap[$actionID] : array('class' => $actionMap[$actionID]); |
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return Yii::createComponent(empty($config) ? $baseConfig : array_merge($baseConfig, $config), $this, $requestActionID); |
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} |
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else { |
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if ($pos === false) { |
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return null; |
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} |
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} |
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|
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// the action is defined in a provider |
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$prefix = substr($actionID, 0, $pos + 1); |
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if (!isset($actionMap[$prefix])) { |
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return null; |
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} |
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$actionID = (string)substr($actionID, $pos + 1); |
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|
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$provider = $actionMap[$prefix]; |
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if (is_string($provider)) { |
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$providerType = $provider; |
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} |
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else { |
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if (is_array($provider) && isset($provider['class'])) { |
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$providerType = $provider['class']; |
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if (isset($provider[$actionID])) { |
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if (is_string($provider[$actionID])) { |
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$config = array_merge(array('class' => $provider[$actionID]), $config); |
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} |
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else |
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{ |
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$config = array_merge($provider[$actionID], $config); |
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} |
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} |
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} |
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else |
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{ |
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throw new CException(Yii::t('yii', 'Object configuration must be an array containing a "class" element.')); |
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} |
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} |
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|
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$class = Yii::import($providerType, true); |
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$map = call_user_func(array($class, 'actions')); |
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|
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return $this->createActionFromMap($map, $actionID, $requestActionID, $config); |
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} |
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|
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/** |
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* Handles the request whose action is not recognized. |
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* This method is invoked when the controller cannot find the requested action. |
||||
* The default implementation simply throws an exception. |
||||
* @param string $actionID the missing action name |
||||
* @throws CHttpException whenever this method is invoked |
||||
*/ |
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public function missingAction($actionID) |
||||
{ |
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throw new CHttpException(404, Yii::t('yii', 'The system is unable to find the requested action "{action}".', |
||||
array('{action}' => $actionID == '' ? $this->defaultAction : $actionID))); |
||||
} |
||||
|
||||
/** |
||||
* @return CAction the action currently being executed, null if no active action. |
||||
*/ |
||||
public function getAction() |
||||
{ |
||||
return $this->_action; |
||||
} |
||||
|
||||
/** |
||||
* @param CAction $value the action currently being executed. |
||||
*/ |
||||
public function setAction($value) |
||||
{ |
||||
$this->_action = $value; |
||||
} |
||||
|
||||
/** |
||||
* @return string ID of the controller |
||||
*/ |
||||
public function getId() |
||||
{ |
||||
return $this->_id; |
||||
} |
||||
|
||||
/** |
||||
* @return string the controller ID that is prefixed with the module ID (if any). |
||||
*/ |
||||
public function getUniqueId() |
||||
{ |
||||
return $this->_module ? $this->_module->getId() . '/' . $this->_id : $this->_id; |
||||
} |
||||
|
||||
/** |
||||
* @return string the route (module ID, controller ID and action ID) of the current request. |
||||
* @since 1.1.0 |
||||
*/ |
||||
public function getRoute() |
||||
{ |
||||
if (($action = $this->getAction()) !== null) { |
||||
return $this->getUniqueId() . '/' . $action->getId(); |
||||
} |
||||
else |
||||
{ |
||||
return $this->getUniqueId(); |
||||
} |
||||
} |
||||
|
||||
/** |
||||
* @return CWebModule the module that this controller belongs to. It returns null |
||||
* if the controller does not belong to any module |
||||
*/ |
||||
public function getModule() |
||||
{ |
||||
return $this->_module; |
||||
} |
||||
|
||||
/** |
||||
* Processes the request using another controller action. |
||||
* This is like {@link redirect}, but the user browser's URL remains unchanged. |
||||
* In most cases, you should call {@link redirect} instead of this method. |
||||
* @param string $route the route of the new controller action. This can be an action ID, or a complete route |
||||
* with module ID (optional in the current module), controller ID and action ID. If the former, the action is assumed |
||||
* to be located within the current controller. |
||||
* @param boolean $exit whether to end the application after this call. Defaults to true. |
||||
* @since 1.1.0 |
||||
*/ |
||||
public function forward($route, $exit = true) |
||||
{ |
||||
if (strpos($route, '/') === false) { |
||||
$this->run($route); |
||||
} |
||||
else |
||||
{ |
||||
if ($route[0] !== '/' && ($module = $this->getModule()) !== null) { |
||||
$route = $module->getId() . '/' . $route; |
||||
} |
||||
Yii::app()->runController($route); |
||||
} |
||||
if ($exit) { |
||||
Yii::app()->end(); |
||||
} |
||||
} |
||||
|
||||
/** |
||||
* This method is invoked right before an action is to be executed (after all possible filters.) |
||||
* You may override this method to do last-minute preparation for the action. |
||||
* @param CAction $action the action to be executed. |
||||
* @return boolean whether the action should be executed. |
||||
*/ |
||||
protected function beforeAction($action) |
||||
{ |
||||
return true; |
||||
} |
||||
|
||||
/** |
||||
* This method is invoked right after an action is executed. |
||||
* You may override this method to do some postprocessing for the action. |
||||
* @param CAction $action the action just executed. |
||||
*/ |
||||
protected function afterAction($action) |
||||
{ |
||||
} |
||||
} |
||||
@ -0,0 +1,53 @@
|
||||
<?php |
||||
/** |
||||
* CInlineAction class file. |
||||
* |
||||
* @author Qiang Xue <qiang.xue@gmail.com> |
||||
* @link http://www.yiiframework.com/ |
||||
* @copyright Copyright © 2008-2011 Yii Software LLC |
||||
* @license http://www.yiiframework.com/license/ |
||||
*/ |
||||
|
||||
|
||||
/** |
||||
* CInlineAction represents an action that is defined as a controller method. |
||||
* |
||||
* The method name is like 'actionXYZ' where 'XYZ' stands for the action name. |
||||
* |
||||
* @author Qiang Xue <qiang.xue@gmail.com> |
||||
* @version $Id$ |
||||
* @package system.web.actions |
||||
* @since 1.0 |
||||
*/ |
||||
class CInlineAction extends CAction |
||||
{ |
||||
/** |
||||
* Runs the action. |
||||
* The action method defined in the controller is invoked. |
||||
* This method is required by {@link CAction}. |
||||
*/ |
||||
public function run() |
||||
{ |
||||
$method='action'.$this->getId(); |
||||
$this->getController()->$method(); |
||||
} |
||||
|
||||
/** |
||||
* Runs the action with the supplied request parameters. |
||||
* This method is internally called by {@link CController::runAction()}. |
||||
* @param array $params the request parameters (name=>value) |
||||
* @return boolean whether the request parameters are valid |
||||
* @since 1.1.7 |
||||
*/ |
||||
public function runWithParams($params) |
||||
{ |
||||
$methodName='action'.$this->getId(); |
||||
$controller=$this->getController(); |
||||
$method=new ReflectionMethod($controller, $methodName); |
||||
if($method->getNumberOfParameters()>0) |
||||
return $this->runWithParamsInternal($controller, $method, $params); |
||||
else |
||||
return $controller->$methodName(); |
||||
} |
||||
|
||||
} |
||||
@ -0,0 +1,61 @@
|
||||
<?php |
||||
/** |
||||
* CInlineFilter class file. |
||||
* |
||||
* @author Qiang Xue <qiang.xue@gmail.com> |
||||
* @link http://www.yiiframework.com/ |
||||
* @copyright Copyright © 2008-2011 Yii Software LLC |
||||
* @license http://www.yiiframework.com/license/ |
||||
*/ |
||||
|
||||
/** |
||||
* CInlineFilter represents a filter defined as a controller method. |
||||
* |
||||
* CInlineFilter executes the 'filterXYZ($action)' method defined |
||||
* in the controller, where the name 'XYZ' can be retrieved from the {@link name} property. |
||||
* |
||||
* @author Qiang Xue <qiang.xue@gmail.com> |
||||
* @version $Id$ |
||||
* @package system.web.filters |
||||
* @since 1.0 |
||||
*/ |
||||
class CInlineFilter extends CFilter |
||||
{ |
||||
/** |
||||
* @var string name of the filter. It stands for 'XYZ' in the filter method name 'filterXYZ'. |
||||
*/ |
||||
public $name; |
||||
|
||||
/** |
||||
* Creates an inline filter instance. |
||||
* The creation is based on a string describing the inline method name |
||||
* and action names that the filter shall or shall not apply to. |
||||
* @param CController $controller the controller who hosts the filter methods |
||||
* @param string $filterName the filter name |
||||
* @return CInlineFilter the created instance |
||||
* @throws CException if the filter method does not exist |
||||
*/ |
||||
public static function create($controller,$filterName) |
||||
{ |
||||
if(method_exists($controller,'filter'.$filterName)) |
||||
{ |
||||
$filter=new CInlineFilter; |
||||
$filter->name=$filterName; |
||||
return $filter; |
||||
} |
||||
else |
||||
throw new CException(Yii::t('yii','Filter "{filter}" is invalid. Controller "{class}" does not have the filter method "filter{filter}".', |
||||
array('{filter}'=>$filterName, '{class}'=>get_class($controller)))); |
||||
} |
||||
|
||||
/** |
||||
* Performs the filtering. |
||||
* This method calls the filter method defined in the controller class. |
||||
* @param CFilterChain $filterChain the filter chain that the filter is on. |
||||
*/ |
||||
public function filter($filterChain) |
||||
{ |
||||
$method='filter'.$this->name; |
||||
$filterChain->controller->$method($filterChain); |
||||
} |
||||
} |
||||
Loading…
Reference in new issue