From 60aae399eb7d2878632c5629a19767124be1ff24 Mon Sep 17 00:00:00 2001 From: xue <> Date: Sun, 18 Dec 2005 01:59:03 +0000 Subject: Enhanced template syntax about using application parameters. --- framework/Web/UI/TTemplateManager.php | 295 +++++++++++++++++++++------------- 1 file changed, 185 insertions(+), 110 deletions(-) (limited to 'framework/Web/UI/TTemplateManager.php') 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 @@ -142,6 +142,14 @@ 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 */ @@ -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); } @@ -352,6 +263,168 @@ 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,$value); + } + /** * Parses a template string. * @@ -589,7 +662,7 @@ class TTemplate extends TComponent implements ITemplate if($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); } -- cgit v1.2.3