Enhanced template syntax about using application parameters.

1 files changed, 185 insertions, 110 deletions

diff --git a/framework/Web/UI/TTemplateManager.php b/framework/Web/UI/TTemplateManager.php
index c14b2e0b..f7307ded 100644
--- a/framework/Web/UI/TTemplateManager.php
+++ b/framework/Web/UI/TTemplateManager.php
@@ -143,6 +143,14 @@ class TTemplate extends TComponent implements ITemplate
 	const REGEX_RULES='/<!.*?!>|<!--.*?-->|<\/?com:([\w\.]+)((?:\s*[\w\.]+=\'.*?\'|\s*[\w\.]+=".*?"|\s*[\w\.]+=<%.*?%>)*)\s*\/?>|<\/?prop:([\w\.]+)\s*>|<%@\s*((?:\s*[\w\.]+=\'.*?\'|\s*[\w\.]+=".*?")*)\s*%>|<%[#=]?(.*?)%>/msS';

 

 	/**

+	 * Different configurations of component property/event/attribute

+	 */

+	const CONFIG_DATABIND=0;

+	const CONFIG_EXPRESSION=1;

+	const CONFIG_ASSET=2;

+	const CONFIG_PARAMETER=3;

+

+	/**

 	 * @var array list of component tags and strings

 	 */

 	private $_tpl=array();

@@ -158,6 +166,11 @@ class TTemplate extends TComponent implements ITemplate
 	 * @var string template file path (if available)

 	 */

 	private $_tplFile=null;

+	/**

+	 * @var TAssetManager asset manager

+	 */

+	private $_assetManager;

+

 

 	/**

 	 * Constructor.

@@ -199,27 +212,13 @@ class TTemplate extends TComponent implements ITemplate
 	public function instantiateIn($tplControl)

 	{

 		$page=$tplControl->getPage();

-		$assetManager=$page->getService()->getAssetManager();

+		$this->_assetManager=$page->getService()->getAssetManager();

 		$controls=array();

 		foreach($this->_tpl as $key=>$object)

 		{

 			if(isset($object[2]))	// component

 			{

-				if(strpos($object[1],'.')===false)

-				{

-					if(class_exists($object[1],false))

-						$component=new $object[1];

-					else

-					{

-						include_once($object[1].Prado::CLASS_FILE_EXT);

-						if(class_exists($object[1],false))

-							$component=new $object[1];

-						else

-							throw new TTemplateRuntimeException('template_component_unknown',$object[1]);

-					}

-				}

-				else

-					$component=Prado::createComponent($object[1]);

+				$component=Prado::createComponent($object[1]);

 				if($component instanceof TControl)

 				{

 					$controls[$key]=$component;

@@ -234,72 +233,7 @@ class TTemplate extends TComponent implements ITemplate
 					$component->applyStyleSheetSkin($page);

 					// apply attributes

 					foreach($object[2] as $name=>$value)

-					{

-						if($component->hasEvent($name))		// is an event

-						{

-							if(is_string($value))

-							{

-								if(strpos($value,'.')===false)

-									$component->attachEventHandler($name,array($component,'TemplateControl.'.$value));

-								else

-									$component->attachEventHandler($name,array($component,$value));

-							}

-							else

-								throw new TTemplateRuntimeException('template_event_invalid',get_class($component),$name);

-						}

-						else if(strpos($name,'.')===false)	// is simple property or custom attribute

-						{

-							if($component->hasProperty($name))

-							{

-								if($component->canSetProperty($name))

-								{

-									$setter='set'.$name;

-									if(is_string($value))

-										$component->$setter($value);

-									else if($value[0]===0)

-										$component->bindProperty($name,$value[1]);

-									else if($value[0]===1)

-										$component->$setter($component->evaluateExpression($value[1]));

-									else  // url

-									{

-										$url=$assetManager->publishFilePath($this->_contextPath.'/'.$value[1]);

-										$component->$setter($url);

-									}

-								}

-								else

-									throw new TTemplateRuntimeException('template_property_readonly',get_class($component),$name);

-							}

-							else if($component->getAllowCustomAttributes())

-							{

-								if(is_array($value))

-								{

-									if($value[0]===1)

-										$value=$component->evaluateExpression($value[1]);

-									else if($value[0]===2)

-										$value=$assetManager->publishFilePath($this->_contextPath.'/'.ltrim($value[1],'/'));

-									else

-										throw new TTemplateRuntimeException('template_attribute_unbindable',get_class($component),$name);

-								}

-								$component->getAttributes()->add($name,$value);

-							}

-							else

-								throw new TTemplateRuntimeException('template_property_undefined',get_class($component),$name);

-						}

-						else	// complex property

-						{

-							if(is_string($value))

-								$component->setSubProperty($name,$value);

-							else if($value[0]===0)

-								$component->bindProperty($name,$value[1]);

-							else if($value[0]===1)

-								$component->setSubProperty($component->evaluateExpression($value[1]));

-							else

-							{

-								$url=$assetManager->publishFilePath($this->_contextPath.'/'.$value[1]);

-								$component->$setter($url);

-							}

-						}

-					}

+						$this->configureControl($component,$name,$value);

 					$parent=isset($controls[$object[0]])?$controls[$object[0]]:$tplControl;

 					$component->createdOnTemplate($parent);

 				}

@@ -312,30 +246,7 @@ class TTemplate extends TComponent implements ITemplate
 							unset($object[2]['id']);

 					}

 					foreach($object[2] as $name=>$value)

-					{

-						if($component->hasProperty($name))

-						{

-							if($component->canSetProperty($name))

-							{

-								$setter='set'.$name;

-								if(is_string($value))

-									$component->$setter($value);

-								else if($value[0]===1)

-									$component->$setter($component->evaluateExpression($value[1]));

-								else if($value[0]===2)

-								{

-									$url=$assetManager->publishFilePath($this->_contextPath.'/'.ltrim($value[1],'/'));

-									$component->$setter($url);

-								}

-								else

-									throw new TTemplateRuntimeException('template_property_unbindable',get_class($component),$name);

-							}

-							else

-								throw new TTemplateRuntimeException('template_property_readonly',get_class($component),$name);

-						}

-						else

-							throw new TTemplateRuntimeException('template_property_undefined',get_class($component),$name);

-					}

+						$this->configureComponent($component,$name,$value);

 					$parent=isset($controls[$object[0]])?$controls[$object[0]]:$tplControl;

 					$parent->addParsedObject($component);

 				}

@@ -353,6 +264,168 @@ class TTemplate extends TComponent implements ITemplate
 	}

 

 	/**

+	 * Configures a property/event of a control.

+	 * @param TControl control to be configured

+	 * @param string property name

+	 * @param mixed property initial value

+	 */

+	protected function configureControl($control,$name,$value)

+	{

+		if(is_string($value) && $control->hasEvent($name))		// is an event

+			$this->configureEvent($control,$name,$value);

+		else if(strpos($name,'.')===false)	// is a simple property or custom attribute

+		{

+			if($control->hasProperty($name))

+				$this->configureProperty($control,$name,$value);

+			else if($control->getAllowCustomAttributes())

+				$this->configureAttribute($control,$name,$value);

+			else

+				throw new TTemplateRuntimeException('template_property_undefined',get_class($control),$name);

+		}

+		else	// is a subproperty

+		{

+			$this->configureSubProperty($control,$name,$value);

+		}

+	}

+

+	/**

+	 * Configures a property of a non-control component.

+	 * @param TComponent component to be configured

+	 * @param string property name

+	 * @param mixed property initial value

+	 */

+	protected function configureComponent($component,$name,$value)

+	{

+		if(strpos($name,'.')===false)	// is a simple property or custom attribute

+		{

+			if($component->hasProperty($name))

+				$this->configureProperty($component,$name,$value);

+			else

+				throw new TTemplateRuntimeException('template_property_undefined',get_class($component),$name);

+		}

+		else	// is a subproperty

+		{

+			$this->configureSubProperty($component,$name,$value);

+		}

+	}

+

+	/**

+	 * Configures an event for a control.

+	 * @param TControl control to be configured

+	 * @param string event name

+	 * @param string event handler

+	 */

+	protected function configureEvent($component,$name,$value)

+	{

+		if(strpos($value,'.')===false)

+			$component->attachEventHandler($name,array($component,'TemplateControl.'.$value));

+		else

+			$component->attachEventHandler($name,array($component,$value));

+	}

+

+	/**

+	 * Configures a simple property for a component.

+	 * @param TComponent component to be configured

+	 * @param string property name

+	 * @param mixed property initial value

+	 */

+	protected function configureProperty($component,$name,$value)

+	{

+		if($component->canSetProperty($name))

+		{

+			$setter='set'.$name;

+			if(is_array($value))

+			{

+				switch($value[0])

+				{

+					case self::CONFIG_DATABIND:

+						$component->bindProperty($name,$value[1]);

+						break;

+					case self::CONFIG_EXPRESSION:

+						$component->$setter($component->evaluateExpression($value[1]));

+						break;

+					case self::CONFIG_ASSET:		// asset URL

+						$url=$this->_assetManager->publishFilePath($this->_contextPath.'/'.$value[1]);

+						$component->$setter($url);

+						break;

+					case self::CONFIG_PARAMETER:		// application parameter

+						$component->$setter(Prado::getApplication()->getParameters()->itemAt($value[1]));

+						break;

+					default:	// an error if reaching here

+						break;

+				}

+			}

+			else

+				$component->$setter($value);

+		}

+		else

+			throw new TTemplateRuntimeException('template_property_readonly',get_class($component),$name);

+	}

+

+	/**

+	 * Configures a subproperty for a component.

+	 * @param TComponent component to be configured

+	 * @param string subproperty name

+	 * @param mixed subproperty initial value

+	 */

+	protected function configureSubProperty($component,$name,$value)

+	{

+		if(is_array($value))

+		{

+			switch($value[0])

+			{

+				case self::CONFIG_DATABIND:		// databinding

+					$component->bindProperty($name,$value[1]);

+					break;

+				case self::CONFIG_EXPRESSION:		// expression

+					$component->setSubProperty($name,$component->evaluateExpression($value[1]));

+					break;

+				case self::CONFIG_ASSET:		// asset URL

+					$url=$this->_assetManager->publishFilePath($this->_contextPath.'/'.$value[1]);

+					$component->setSubProperty($name,$url);

+					break;

+				case self::CONFIG_PARAMETER:		// application parameter

+					$component->setSubProperty($name,Prado::getApplication()->getParameters()->itemAt($value[1]));

+					break;

+				default:	// an error if reaching here

+					break;

+			}

+		}

+		else

+			$component->setSubProperty($name,$value);

+	}

+

+	/**

+	 * Configures a custom attribute for a control.

+	 * @param TControl control to be configured

+	 * @param string attribute name

+	 * @param mixed attribute initial value

+	 */

+	protected function configureAttribute($control,$name,$value)

+	{

+		if(is_array($value))

+		{

+			switch($value[0])

+			{

+				case self::CONFIG_DATABIND:		// databinding

+					throw new TTemplateRuntimeException('template_attribute_unbindable',get_class($control),$name);

+				case self::CONFIG_EXPRESSION:

+					$value=$control->evaluateExpression($value[1]);

+					break;

+				case self::CONFIG_ASSET:

+					$value=$this->_assetManager->publishFilePath($this->_contextPath.'/'.ltrim($value[1],'/'));

+					break;

+				case self::CONFIG_PARAMETER:

+					$value=Prado::getApplication()->getParameters()->itemAt($value[1]);

+					break;

+				default:

+					break;

+			}

+		}

+		$control->getAttributes()->add($name,$value);

+	}

+

+	/**

 	 * Parses a template string.

 	 *

 	 * This template parser recognizes five types of data:

@@ -589,7 +662,7 @@ class TTemplate extends TComponent implements ITemplate
 			if($value[0]==='\'' || $value[0]==='"')

 			{

 				$value=substr($value,1,strlen($value)-2);

-				if(!preg_match('/(<%#.*?%>|<%=.*?%>|<%~.*?%>)/msS',$value))

+				if(!preg_match('/(<%#.*?%>|<%=.*?%>|<%~.*?%>|<%\\$.*?%>)/msS',$value))

 				{

 					$attributes[$name]=$value;

 					continue;

@@ -598,11 +671,13 @@ class TTemplate extends TComponent implements ITemplate
 			if($value[0]==='<')

 			{

 				if($value[2]==='#') // databind

-					$attributes[$name]=array(0,substr($value,3,strlen($value)-5));

+					$attributes[$name]=array(self::CONFIG_DATABIND,substr($value,3,strlen($value)-5));

 				else if($value[2]==='=') // a dynamic initialization

-					$attributes[$name]=array(1,substr($value,3,strlen($value)-5));

+					$attributes[$name]=array(self::CONFIG_EXPRESSION,substr($value,3,strlen($value)-5));

 				else if($value[2]==='~') // a URL

-					$attributes[$name]=array(2,trim(substr($value,3,strlen($value)-5)));

+					$attributes[$name]=array(self::CONFIG_ASSET,trim(substr($value,3,strlen($value)-5)));

+				else if($value[2]==='$')

+					$attributes[$name]=array(self::CONFIG_PARAMETER,trim(substr($value,3,strlen($value)-5)));

 				else

 					$attributes[$name]=substr($value,2,strlen($value)-4);

 			}