all ready

1 files changed, 687 insertions, 11 deletions

diff --git a/framework/pradolite.php b/framework/pradolite.php
index cc4bbb79..d9627d13 100644
--- a/framework/pradolite.php
+++ b/framework/pradolite.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * File Name: pradolite.php
- * Last Update: 2013/09/13 14:14:15
+ * Last Update: 2013/11/26 10:04:34
  * Generated By: buildscripts/phpbuilder/build.php
  *
  * This file is used in lieu of prado.php to boost PRADO application performance.
@@ -25,7 +25,7 @@ class PradoBase
 	protected static $classExists = array();
 	public static function getVersion()
 	{
-		return '3.2.2';
+		return '3.2.3';
 	}
 	public static function initErrorHandlers()
 	{
@@ -475,9 +475,9 @@ class TApplicationComponent extends TComponent
 		$fullPath=dirname($class->getFileName()).DIRECTORY_SEPARATOR.$assetPath;
 		return $this->publishFilePath($fullPath);
 	}
-	public function publishFilePath($fullPath)
+	public function publishFilePath($fullPath, $checkTimestamp=false)
 	{
-		return Prado::getApplication()->getAssetManager()->publishFilePath($fullPath);
+		return Prado::getApplication()->getAssetManager()->publishFilePath($fullPath, $checkTimestamp);
 	}
 }
 abstract class TModule extends TApplicationComponent implements IModule
@@ -1248,6 +1248,377 @@ class TTextWriter extends TComponent implements ITextWriter
 		$this->write($str."\n");
 	}
 }
+class TPriorityList extends TList 
+{
+	private $_d=array();
+	private $_o=false;
+	private $_fd=null;
+	private $_c=0;
+	private $_dp=10;
+	private $_p=8;
+	public function __construct($data=null,$readOnly=false,$defaultPriority=10,$precision=8)
+	{
+		parent::__construct();
+		if($data!==null)
+			$this->copyFrom($data);
+		$this->setReadOnly($readOnly);
+		$this->setPrecision($precision);
+		$this->setDefaultPriority($defaultPriority);
+	}
+	public function count()
+	{
+		return $this->getCount();
+	}
+	public function getCount()
+	{
+		return $this->_c;
+	}
+	public function getPriorityCount($priority=null)
+	{
+		if($priority===null)
+			$priority=$this->getDefaultPriority();
+		$priority=(string)round(TPropertyValue::ensureFloat($priority),$this->_p);
+		if(!isset($this->_d[$priority]) || !is_array($this->_d[$priority]))
+			return false;
+		return count($this->_d[$priority]);
+	}
+	public function getDefaultPriority()
+	{
+		return $this->_dp;
+	}
+	protected function setDefaultPriority($value)
+	{
+		$this->_dp=(string)round(TPropertyValue::ensureFloat($value),$this->_p);
+	}
+	public function getPrecision()
+	{
+		return $this->_p;
+	}
+	protected function setPrecision($value)
+	{
+		$this->_p=TPropertyValue::ensureInteger($value);
+	}
+	public function getIterator()
+	{
+		return new ArrayIterator($this->flattenPriorities());
+	}
+	public function getPriorities()
+	{
+		$this->sortPriorities();
+		return array_keys($this->_d);
+	}
+	protected function sortPriorities() {
+		if(!$this->_o) {
+			ksort($this->_d,SORT_NUMERIC);
+			$this->_o=true;
+		}
+	}
+	protected function flattenPriorities() {
+		if(is_array($this->_fd))
+			return $this->_fd;
+		$this->sortPriorities();
+		$this->_fd=array();
+		foreach($this->_d as $priority => $itemsatpriority)
+			$this->_fd=array_merge($this->_fd,$itemsatpriority);
+		return $this->_fd;
+	}
+	public function itemAt($index)
+	{
+		if($index>=0&&$index<$this->getCount()) {
+			$arr=$this->flattenPriorities();
+			return $arr[$index];
+		} else
+			throw new TInvalidDataValueException('list_index_invalid',$index);
+	}
+	public function itemsAtPriority($priority=null)
+	{
+		if($priority===null)
+			$priority=$this->getDefaultPriority();
+		$priority=(string)round(TPropertyValue::ensureFloat($priority),$this->_p);
+		return isset($this->_d[$priority])?$this->_d[$priority]:null;
+	}
+	public function itemAtIndexInPriority($index,$priority=null)
+	{
+		if($priority===null)
+			$priority=$this->getDefaultPriority();
+		$priority=(string)round(TPropertyValue::ensureFloat($priority), $this->_p);
+		return !isset($this->_d[$priority])?false:(
+				isset($this->_d[$priority][$index])?$this->_d[$priority][$index]:false
+			);
+	}
+	public function add($item,$priority=null)
+	{
+		if($this->getReadOnly())
+			throw new TInvalidOperationException('list_readonly',get_class($this));
+		return $this->insertAtIndexInPriority($item,false,$priority,true);
+	}
+	public function insertAt($index,$item)
+	{
+		if($this->getReadOnly())
+			throw new TInvalidOperationException('list_readonly',get_class($this));
+		if(($priority=$this->priorityAt($index,true))!==false)
+			$this->insertAtIndexInPriority($item,$priority[1],$priority[0]);
+		else
+			throw new TInvalidDataValueException('list_index_invalid',$index);
+	}
+	public function insertAtIndexInPriority($item,$index=false,$priority=null,$preserveCache=false)
+	{
+		if($this->getReadOnly())
+			throw new TInvalidOperationException('list_readonly',get_class($this));
+		if($priority===null)
+			$priority=$this->getDefaultPriority();
+		$priority=(string)round(TPropertyValue::ensureFloat($priority), $this->_p);
+		if($preserveCache) {
+			$this->sortPriorities();
+			$cc=0;
+			foreach($this->_d as $prioritykey=>$items)
+				if($prioritykey>=$priority)
+					break;
+				else
+					$cc+=count($items);
+			if($index===false&&isset($this->_d[$priority])) {
+				$c=count($this->_d[$priority]);
+				$c+=$cc;
+				$this->_d[$priority][]=$item;
+			} else if(isset($this->_d[$priority])) {
+				$c=$index+$cc;
+				array_splice($this->_d[$priority],$index,0,array($item));
+			} else {
+				$c = $cc;
+				$this->_o = false;
+				$this->_d[$priority]=array($item);
+			}
+			if($this->_fd&&is_array($this->_fd)) 				array_splice($this->_fd,$c,0,array($item));
+		} else {
+			$c=null;
+			if($index===false&&isset($this->_d[$priority])) {
+				$cc=count($this->_d[$priority]);
+				$this->_d[$priority][]=$item;
+			} else if(isset($this->_d[$priority])) {
+				$cc=$index;
+				array_splice($this->_d[$priority],$index,0,array($item));
+			} else {
+				$cc=0;
+				$this->_o=false;
+				$this->_d[$priority]=array($item);
+			}
+			if($this->_fd&&is_array($this->_fd)&&count($this->_d)==1)
+				array_splice($this->_fd,$cc,0,array($item));
+			else
+				$this->_fd=null;
+		}
+		$this->_c++;
+		return $c;
+	}
+	public function remove($item,$priority=false)
+	{
+		if($this->getReadOnly())
+			throw new TInvalidOperationException('list_readonly',get_class($this));
+		if(($p=$this->priorityOf($item,true))!==false)
+		{
+			if($priority!==false) {
+				if($priority===null)
+					$priority=$this->getDefaultPriority();
+				$priority=(string)round(TPropertyValue::ensureFloat($priority),$this->_p);
+				if($p[0]!=$priority)
+					throw new TInvalidDataValueException('list_item_inexistent');
+			}
+			$this->removeAtIndexInPriority($p[1],$p[0]);
+			return $p[2];
+		}
+		else
+			throw new TInvalidDataValueException('list_item_inexistent');
+	}
+	public function removeAt($index)
+	{
+		if($this->getReadOnly())
+			throw new TInvalidOperationException('list_readonly',get_class($this));
+		if(($priority=$this->priorityAt($index, true))!==false)
+			return $this->removeAtIndexInPriority($priority[1],$priority[0]);
+		throw new TInvalidDataValueException('list_index_invalid',$index);
+	}
+	public function removeAtIndexInPriority($index, $priority=null)
+	{
+		if($this->getReadOnly())
+			throw new TInvalidOperationException('list_readonly',get_class($this));
+		if($priority===null)
+			$priority=$this->getDefaultPriority();
+		$priority=(string)round(TPropertyValue::ensureFloat($priority),$this->_p);
+		if(!isset($this->_d[$priority])||$index<0||$index>=count($this->_d[$priority]))
+			throw new TInvalidDataValueException('list_item_inexistent');
+				$value=array_splice($this->_d[$priority],$index,1);
+		$value=$value[0];
+		if(!count($this->_d[$priority]))
+			unset($this->_d[$priority]);
+		$this->_c--;
+		$this->_fd=null;
+		return $value;
+	}
+	public function clear()
+	{
+		if($this->getReadOnly())
+			throw new TInvalidOperationException('list_readonly',get_class($this));
+		$d=array_reverse($this->_d,true);
+		foreach($this->_d as $priority=>$items) {
+			for($index=count($items)-1;$index>=0;$index--)
+				$this->removeAtIndexInPriority($index,$priority);
+			unset($this->_d[$priority]);
+		}
+	}
+	public function contains($item)
+	{
+		return $this->indexOf($item)>=0;
+	}
+	public function indexOf($item)
+	{
+		if(($index=array_search($item,$this->flattenPriorities(),true))===false)
+			return -1;
+		else
+			return $index;
+	}
+	public function priorityOf($item,$withindex = false)
+	{
+		$this->sortPriorities();
+		$absindex = 0;
+		foreach($this->_d as $priority=>$items) {
+			if(($index=array_search($item,$items,true))!==false) {
+				$absindex+=$index;
+				return $withindex?array($priority,$index,$absindex, 
+						'priority'=>$priority,'index'=>$index,'absindex'=>$absindex):$priority;
+			} else
+				$absindex+=count($items);
+		}
+		return false;
+	}
+	public function priorityAt($index,$withindex = false)
+	{
+		if($index<0||$index>=$this->getCount())
+			throw new TInvalidDataValueException('list_index_invalid',$index);
+		$absindex=$index;
+		$this->sortPriorities();
+		foreach($this->_d as $priority=>$items) {
+			if($index>=($c=count($items)))
+				$index-=$c;
+			else
+				return $withindex?array($priority,$index,$absindex, 
+						'priority'=>$priority,'index'=>$index,'absindex'=>$absindex):$priority;
+		}
+		return false;
+	}
+	public function insertBefore($indexitem, $item)
+	{
+		if($this->getReadOnly())
+			throw new TInvalidOperationException('list_readonly',get_class($this));
+		if(($priority=$this->priorityOf($indexitem,true))===false)
+			throw new TInvalidDataValueException('list_item_inexistent');
+		$this->insertAtIndexInPriority($item,$priority[1],$priority[0]);
+		return $priority[2];
+	}
+	public function insertAfter($indexitem, $item)
+	{
+		if($this->getReadOnly())
+			throw new TInvalidOperationException('list_readonly',get_class($this));
+		if(($priority=$this->priorityOf($indexitem,true))===false)
+			throw new TInvalidDataValueException('list_item_inexistent');
+		$this->insertAtIndexInPriority($item,$priority[1]+1,$priority[0]);
+		return $priority[2]+1;
+	}
+	public function toArray()
+	{
+		return $this->flattenPriorities();
+	}
+	public function toPriorityArray()
+	{
+		$this->sortPriorities();
+		return $this->_d;
+	}
+	public function toArrayBelowPriority($priority,$inclusive=false)
+	{
+		$this->sortPriorities();
+		$items=array();
+		foreach($this->_d as $itemspriority=>$itemsatpriority)
+		{
+			if((!$inclusive&&$itemspriority>=$priority)||$itemspriority>$priority)
+				break;
+			$items=array_merge($items,$itemsatpriority);
+		}
+		return $items;
+	}
+	public function toArrayAbovePriority($priority,$inclusive=true)
+	{
+		$this->sortPriorities();
+		$items=array();
+		foreach($this->_d as $itemspriority=>$itemsatpriority)
+		{
+			if((!$inclusive&&$itemspriority<=$priority)||$itemspriority<$priority)
+				continue;
+			$items=array_merge($items,$itemsatpriority);
+		}
+		return $items;
+	}
+	public function copyFrom($data)
+	{
+		if($data instanceof TPriorityList)
+		{
+			if($this->getCount()>0)
+				$this->clear();
+			foreach($data->getPriorities() as $priority)
+			{
+				foreach($data->itemsAtPriority($priority) as $index=>$item)
+					$this->insertAtIndexInPriority($item,$index,$priority);
+			}
+		} else if(is_array($data)||$data instanceof Traversable) {
+			if($this->getCount()>0)
+				$this->clear();
+			foreach($data as $key=>$item)
+				$this->add($item);
+		} else if($data!==null)
+			throw new TInvalidDataTypeException('map_data_not_iterable');
+	}
+	public function mergeWith($data)
+	{
+		if($data instanceof TPriorityList)
+		{
+			foreach($data->getPriorities() as $priority)
+			{
+				foreach($data->itemsAtPriority($priority) as $index=>$item)
+					$this->insertAtIndexInPriority($item,false,$priority);
+			}
+		}
+		else if(is_array($data)||$data instanceof Traversable)
+		{
+			foreach($data as $priority=>$item)
+				$this->add($item);
+		}
+		else if($data!==null)
+			throw new TInvalidDataTypeException('map_data_not_iterable');
+	}
+	public function offsetExists($offset)
+	{
+		return ($offset>=0&&$offset<$this->getCount());
+	}
+	public function offsetGet($offset)
+	{
+		return $this->itemAt($offset);
+	}
+	public function offsetSet($offset,$item)
+	{
+		if($offset===null)
+			return $this->add($item);
+		if($offset===$this->getCount()) {
+			$priority=$this->priorityAt($offset-1,true);
+			$priority[1]++;
+		} else {
+			$priority=$this->priorityAt($offset,true);
+			$this->removeAtIndexInPriority($priority[1],$priority[0]);
+		}
+		$this->insertAtIndexInPriority($item,$priority[1],$priority[0]);
+	}
+	public function offsetUnset($offset)
+	{
+		$this->removeAt($offset);
+	}
+}
 class TMap extends TComponent implements IteratorAggregate,ArrayAccess,Countable
 {
 	private $_d=array();
@@ -1392,6 +1763,310 @@ class TMapIterator implements Iterator
 		return $this->_key!==false;
 	}
 }
+class TPriorityMap extends TMap
+{
+	private $_d=array();
+	private $_r=false;
+	private $_o=false;
+	private $_fd=null;
+	private $_c=0;
+	private $_dp=10;
+	private $_p=8;
+	public function __construct($data=null,$readOnly=false,$defaultPriority=10,$precision=8)
+	{
+		if($data!==null)
+			$this->copyFrom($data);
+		$this->setReadOnly($readOnly);
+		$this->setPrecision($precision);
+		$this->setDefaultPriority($defaultPriority);
+	}
+	public function getReadOnly()
+	{
+		return $this->_r;
+	}
+	protected function setReadOnly($value)
+	{
+		$this->_r=TPropertyValue::ensureBoolean($value);
+	}
+	public function getDefaultPriority()
+	{
+		return $this->_dp;
+	}
+	protected function setDefaultPriority($value)
+	{
+		$this->_dp = (string)round(TPropertyValue::ensureFloat($value), $this->_p);
+	}
+	public function getPrecision()
+	{
+		return $this->_p;
+	}
+	protected function setPrecision($value)
+	{
+		$this->_p=TPropertyValue::ensureInteger($value);
+	}
+	public function getIterator()
+	{
+		return new ArrayIterator($this->flattenPriorities());
+	}
+	protected function sortPriorities() {
+		if(!$this->_o) {
+			ksort($this->_d, SORT_NUMERIC);
+			$this->_o=true;
+		}
+	}
+	protected function flattenPriorities() {
+		if(is_array($this->_fd))
+			return $this->_fd;
+		$this->sortPriorities();
+		$this->_fd = array();
+		foreach($this->_d as $priority => $itemsatpriority)
+			$this->_fd = array_merge($this->_fd, $itemsatpriority);
+		return $this->_fd;
+	}
+	public function count()
+	{
+		return $this->getCount();
+	}
+	public function getCount()
+	{
+		return $this->_c;
+	}
+	public function getPriorityCount($priority=null)
+	{
+		if($priority===null)
+			$priority=$this->getDefaultPriority();
+		$priority=(string)round(TPropertyValue::ensureFloat($priority),$this->_p);
+		if(!isset($this->_d[$priority])||!is_array($this->_d[$priority]))
+			return false;
+		return count($this->_d[$priority]);
+	}
+	public function getPriorities()
+	{
+		$this->sortPriorities();
+		return array_keys($this->_d);
+	}
+	public function getKeys()
+	{
+		return array_keys($this->flattenPriorities());
+	}
+	public function itemAt($key,$priority=false)
+	{
+		if($priority===false){
+			$map=$this->flattenPriorities();
+			return isset($map[$key])?$map[$key]:null;
+		} else {
+			if($priority===null)
+				$priority=$this->getDefaultPriority();
+			$priority=(string)round(TPropertyValue::ensureFloat($priority),$this->_p);
+			return (isset($this->_d[$priority])&&isset($this->_d[$priority][$key]))?$this->_d[$priority][$key]:null;
+		}
+	}
+	public function setPriorityAt($key,$priority=null)
+	{
+		if($priority===null)
+			$priority=$this->getDefaultPriority();
+		$priority=(string)round(TPropertyValue::ensureFloat($priority),$this->_p);
+		$oldpriority=$this->priorityAt($key);
+		if($oldpriority!==false&&$oldpriority!=$priority) {
+			$value=$this->remove($key,$oldpriority);
+			$this->add($key,$value,$priority);
+		}
+		return $oldpriority;
+	}
+	public function itemsAtPriority($priority=null)
+	{
+		if($priority===null)
+			$priority=$this->getDefaultPriority();
+		$priority=(string)round(TPropertyValue::ensureFloat($priority),$this->_p);
+		return isset($this->_d[$priority])?$this->_d[$priority]:null;
+	}
+	public function priorityOf($item)
+	{
+		$this->sortPriorities();
+		foreach($this->_d as $priority=>$items)
+			if(($index=array_search($item,$items,true))!==false)
+				return $priority;
+		return false;
+	}
+	public function priorityAt($key)
+	{
+		$this->sortPriorities();
+		foreach($this->_d as $priority=>$items)
+			if(array_key_exists($key,$items))
+				return $priority;
+		return false;
+	}
+	public function add($key,$value,$priority=null)
+	{
+		if($priority===null)
+			$priority=$this->getDefaultPriority();
+		$priority=(string)round(TPropertyValue::ensureFloat($priority),$this->_p);
+		if(!$this->_r)
+		{
+			foreach($this->_d as $innerpriority=>$items)
+				if(array_key_exists($key,$items))
+				{
+					unset($this->_d[$innerpriority][$key]);
+					$this->_c--;
+					if(count($this->_d[$innerpriority])===0)
+						unset($this->_d[$innerpriority]);
+				}
+			if(!isset($this->_d[$priority])) {
+				$this->_d[$priority]=array($key=>$value);
+				$this->_o=false;
+			}
+			else
+				$this->_d[$priority][$key]=$value;
+			$this->_c++;
+			$this->_fd=null;
+		}
+		else
+			throw new TInvalidOperationException('map_readonly',get_class($this));
+		return $priority;
+	}
+	public function remove($key,$priority=false)
+	{
+		if(!$this->_r)
+		{
+			if($priority===null)
+				$priority=$this->getDefaultPriority();
+			if($priority===false)
+			{
+				$this->sortPriorities();
+				foreach($this->_d as $priority=>$items)
+					if(array_key_exists($key,$items))
+					{
+						$value=$this->_d[$priority][$key];
+						unset($this->_d[$priority][$key]);
+						$this->_c--;
+						if(count($this->_d[$priority])===0)
+						{
+							unset($this->_d[$priority]);
+							$this->_o=false;
+						}
+						$this->_fd=null;
+						return $value;
+					}
+				return null;
+			}
+			else
+			{
+				$priority=(string)round(TPropertyValue::ensureFloat($priority),$this->_p);
+				if(isset($this->_d[$priority])&&(isset($this->_d[$priority][$key])||array_key_exists($key,$this->_d[$priority])))
+				{
+					$value=$this->_d[$priority][$key];
+					unset($this->_d[$priority][$key]);
+					$this->_c--;
+					if(count($this->_d[$priority])===0) {
+						unset($this->_d[$priority]);
+						$this->_o=false;
+					}
+					$this->_fd=null;
+					return $value;
+				}
+				else
+					return null;
+			}
+		}
+		else
+			throw new TInvalidOperationException('map_readonly',get_class($this));
+	}
+	public function clear()
+	{
+		foreach($this->_d as $priority=>$items)
+			foreach(array_keys($items) as $key)
+				$this->remove($key);
+	}
+	public function contains($key)
+	{
+		$map=$this->flattenPriorities();
+		return isset($map[$key])||array_key_exists($key,$map);
+	}
+	public function toArray()
+	{
+		return $this->flattenPriorities();
+	}
+	public function toArrayBelowPriority($priority,$inclusive=false)
+	{
+		$this->sortPriorities();
+		$items=array();
+		foreach($this->_d as $itemspriority=>$itemsatpriority)
+		{
+			if((!$inclusive&&$itemspriority>=$priority)||$itemspriority>$priority)
+				break;
+			$items=array_merge($items,$itemsatpriority);
+		}
+		return $items;
+	}
+	public function toArrayAbovePriority($priority,$inclusive=true)
+	{
+		$this->sortPriorities();
+		$items=array();
+		foreach($this->_d as $itemspriority=>$itemsatpriority)
+		{
+			if((!$inclusive&&$itemspriority<=$priority)||$itemspriority<$priority)
+				continue;
+			$items=array_merge($items,$itemsatpriority);
+		}
+		return $items;
+	}
+	public function copyFrom($data)
+	{
+		if($data instanceof TPriorityMap)
+		{
+			if($this->getCount()>0)
+				$this->clear();
+			foreach($data->getPriorities() as $priority) {
+				foreach($data->itemsAtPriority($priority) as $key => $value) {
+					$this->add($key,$value,$priority);
+				}
+			}
+		}
+		else if(is_array($data)||$data instanceof Traversable)
+		{
+			if($this->getCount()>0)
+				$this->clear();
+			foreach($data as $key=>$value)
+				$this->add($key,$value);
+		}
+		else if($data!==null)
+			throw new TInvalidDataTypeException('map_data_not_iterable');
+	}
+	public function mergeWith($data)
+	{
+		if($data instanceof TPriorityMap)
+		{
+			foreach($data->getPriorities() as $priority)
+			{
+				foreach($data->itemsAtPriority($priority) as $key => $value)
+					$this->add($key,$value,$priority);
+			}
+		}
+		else if(is_array($data)||$data instanceof Traversable)
+		{
+			foreach($data as $key=>$value)
+				$this->add($key,$value);
+		}
+		else if($data!==null)
+			throw new TInvalidDataTypeException('map_data_not_iterable');
+	}
+	public function offsetExists($offset)
+	{
+		return $this->contains($offset);
+	}
+	public function offsetGet($offset)
+	{
+		return $this->itemAt($offset);
+	}
+	public function offsetSet($offset,$item)
+	{
+		$this->add($offset,$item);
+	}
+	public function offsetUnset($offset)
+	{
+		$this->remove($offset);
+	}
+}
 class TStack extends TComponent implements IteratorAggregate,Countable
 {
 	private $_d=array();
@@ -3767,7 +4442,7 @@ class TAttributeCollection extends TMap
 	}
 	public function hasProperty($name)
 	{
-		return $this->contains($name) || parent::hasProperty($name);
+		return $this->contains($name) || parent::canGetProperty($name) || parent::canSetProperty($name);
 	}
 	public function canGetProperty($name)
 	{
@@ -6436,12 +7111,9 @@ class TClientScriptManager extends TApplicationComponent
 	public function getStyleSheetUrls()
 	{
 		$stylesheets = array_values(
-			array_merge(
-				array_map(
-					create_function('$e', 'return is_array($e) ? $e[0] : $e;'),
-					$this->_styleSheetFiles),
-				$this->_styleSheets
-			)
+			array_map(
+				create_function('$e', 'return is_array($e) ? $e[0] : $e;'),
+				$this->_styleSheetFiles)
 		);
 		foreach(Prado::getApplication()->getAssetManager()->getPublished() as $path=>$url)
 			if (substr($url,strlen($url)-4)=='.css')
@@ -6449,6 +7121,10 @@ class TClientScriptManager extends TApplicationComponent
 		$stylesheets = array_unique($stylesheets);
 		return $stylesheets;
 	}
+	public function getStyleSheetCodes()
+	{
+		return array_unique(array_values($this->_styleSheets));
+	}
 	public function registerHeadScriptFile($key,$url)
 	{
 		$this->checkIfNotInRender();