- Models, Behaviors ...

1 files changed, 133 insertions, 1 deletions

diff --git a/framework/TComponent.php b/framework/TComponent.php
index f9c36cc8..2fc0ebff 100644
--- a/framework/TComponent.php
+++ b/framework/TComponent.php
@@ -79,6 +79,11 @@ class TComponent
 	private $_e=array();
 
 	/**
+	 * @var array models (ported from Yii)
+	 */
+	private $_m=array();
+
+	/**
 	 * Returns a property value or an event handler list by property or event name.
 	 * Do not call this method. This is a PHP magic method that we override
 	 * to allow using the following syntax to read a property:
@@ -351,6 +356,7 @@ class TComponent
 						$method=substr($handler,$pos+1);
 						if(method_exists($object,$method))
 							$object->$method($sender,$param);
+							
 						else
 							throw new TInvalidDataValueException('component_eventhandler_invalid',get_class($this),$name,$handler);
 					}
@@ -451,6 +457,133 @@ class TComponent
 	public function addParsedObject($object)
 	{
 	}
+	
+	/**
+	 * Returns the named behavior object.
+	 * The name 'asa' stands for 'as a'.
+	 * @param string the behavior name
+	 * @return IBehavior the behavior object, or null if the behavior does not exist
+	 */
+	public function asa($behavior)
+	{
+		return isset($this->_m[$behavior]) ? $this->_m[$behavior] : null;
+	}
+
+	/**
+	 * Attaches a list of behaviors to the component.
+	 * Each behavior is indexed by its name and should be an instance of
+	 * {@link IBehavior}, a string specifying the behavior class, or an
+	 * array of the following structure:
+	 * <pre>
+	 * array(
+	 *     'class'=>'path.to.BehaviorClass',
+	 *     'property1'=>'value1',
+	 *     'property2'=>'value2',
+	 * )
+	 * </pre>
+	 * @param array list of behaviors to be attached to the component
+	 */
+	public function attachBehaviors($behaviors)
+	{
+		foreach($behaviors as $name=>$behavior)
+			$this->attachBehavior($name,$behavior);
+	}
+
+	/**
+	 * Detaches all behaviors from the component.
+	 */
+	public function detachBehaviors()
+	{
+		if($this->_m!==null)
+		{
+			foreach($this->_m as $name=>$behavior)
+				$this->detachBehavior($name);
+			$this->_m=null;
+		}
+	}
+
+	/**
+	 * Attaches a behavior to this component.
+	 * This method will create the behavior object based on the given
+	 * configuration. After that, the behavior object will be initialized
+	 * by calling its {@link IBehavior::attach} method.
+	 * @param string the behavior's name. It should uniquely identify this behavior.
+	 * @param mixed the behavior configuration. This is passed as the first
+	 * parameter to {@link YiiBase::createComponent} to create the behavior object.
+	 * @return IBehavior the behavior object
+	 */
+	public function attachBehavior($name,$behavior)
+	{
+		if(!($behavior instanceof IBehavior))
+			$behavior=Yii::createComponent($behavior);
+		$behavior->setEnabled(true);
+		$behavior->attach($this);
+		return $this->_m[$name]=$behavior;
+	}
+
+	/**
+	 * Detaches a behavior from the component.
+	 * The behavior's {@link IBehavior::detach} method will be invoked.
+	 * @param string the behavior's name. It uniquely identifies the behavior.
+	 * @return IBehavior the detached behavior. Null if the behavior does not exist.
+	 */
+	public function detachBehavior($name)
+	{
+		if(isset($this->_m[$name]))
+		{
+			$this->_m[$name]->detach($this);
+			$behavior=$this->_m[$name];
+			unset($this->_m[$name]);
+			return $behavior;
+		}
+	}
+
+	/**
+	 * Enables all behaviors attached to this component.
+	 */
+	public function enableBehaviors()
+	{
+		if($this->_m!==null)
+		{
+			foreach($this->_m as $behavior)
+				$behavior->setEnabled(true);
+		}
+	}
+
+	/**
+	 * Disables all behaviors attached to this component.
+	 */
+	public function disableBehaviors()
+	{
+		if($this->_m!==null)
+		{
+			foreach($this->_m as $behavior)
+				$behavior->setEnabled(false);
+		}
+	}
+
+	/**
+	 * Enables an attached behavior.
+	 * A behavior is only effective when it is enabled.
+	 * A behavior is enabled when first attached.
+	 * @param string the behavior's name. It uniquely identifies the behavior.
+	 */
+	public function enableBehavior($name)
+	{
+		if(isset($this->_m[$name]))
+			$this->_m[$name]->setEnabled(true);
+	}
+
+	/**
+	 * Disables an attached behavior.
+	 * A behavior is only effective when it is enabled.
+	 * @param string the behavior's name. It uniquely identifies the behavior.
+	 */
+	public function disableBehavior($name)
+	{
+		if(isset($this->_m[$name]))
+			$this->_m[$name]->setEnabled(false);
+	}
 }
 
 /**
@@ -838,4 +971,3 @@ class TComponentReflection extends TComponent
 		return $this->_methods;
 	}
 }
-