diff options
Diffstat (limited to 'framework/Web/UI/TThemeManager.php')
| -rw-r--r-- | framework/Web/UI/TThemeManager.php | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/framework/Web/UI/TThemeManager.php b/framework/Web/UI/TThemeManager.php new file mode 100644 index 00000000..8edae2e1 --- /dev/null +++ b/framework/Web/UI/TThemeManager.php @@ -0,0 +1,204 @@ +<?php
+
+class TThemeManager extends TComponent implements IModule
+{
+ const THEME_CACHE_PREFIX='prado:theme:';
+ const DEFAULT_THEME_PATH='themes';
+ /**
+ * @var string module ID
+ */
+ private $_id;
+ /**
+ * @var boolean whether this module has been initialized
+ */
+ private $_initialized=false;
+ /**
+ * @var string the directory containing all themes
+ */
+ private $_themePath=null;
+ /**
+ * @var IApplication application
+ */
+ private $_application;
+
+ /**
+ * Initializes the module.
+ * This method is required by IModule and is invoked by application.
+ * @param IApplication application
+ * @param TXmlElement module configuration
+ */
+ public function init($application,$config)
+ {
+ $this->_application=$application;
+ if($this->_themePath===null)
+ $this->_themePath=dirname($application->getConfigurationFile()).'/'.self::DEFAULT_THEME_PATH;
+
+ $this->_initialized=true;
+ }
+
+ /**
+ * @return string id of this module
+ */
+ public function getID()
+ {
+ return $this->_id;
+ }
+
+ /**
+ * @param string id of this module
+ */
+ public function setID($value)
+ {
+ $this->_id=$value;
+ }
+
+ public function getTheme($name)
+ {
+ $themePath=realpath($this->_themePath.'/'.$name);
+ if($themePath===false || !is_dir($this->_themePath))
+ throw new TConfigurationException('thememanager_themepath_invalid',$themePath);
+ if(($cache=$this->_application->getCache())!==null)
+ {
+ $array=$cache->get(self::THEME_CACHE_PREFIX.$themePath);
+ if(is_array($array))
+ {
+ list($theme,$timestamp)=$array;
+ $cacheValid=true;
+ if(($dir=opendir($themePath))===false)
+ throw new TIOException('thememanager_themepath_invalid',$themePath);
+ while(($file=readdir($dir))!==false)
+ {
+ if(basename($file,'.skin')!==$file && filemtime($themePath.'/'.$file)>$timestamp)
+ {
+ $cacheValid=false;
+ break;
+ }
+ }
+ closedir($dir);
+ if($cacheValid)
+ return $theme;
+ }
+ }
+ // not cached, so we parse all skin files
+ $content='';
+ if(($dir=opendir($themePath))===false)
+ throw new TIOException('thememanager_themepath_invalid',$themePath);
+ while(($file=readdir($dir))!==false)
+ {
+ if(basename($file,'.skin')!==$file)
+ $content.=file_get_contents($themePath.'/'.$file);
+ }
+ closedir($dir);
+ $theme=new TTheme($content,$themePath);
+ if($cache!==null)
+ $cache->set(self::THEME_CACHE_PREFIX.$themePath,array($theme,time()));
+ return $theme;
+ }
+
+ public function getThemePath()
+ {
+ return $this->_themePath;
+ }
+
+ public function setThemePath($value)
+ {
+ if($this->_initialized)
+ throw new TInvalidOperationException('thememanager_themepath_unchangeable');
+ else
+ $this->_themePath=$value;
+ }
+}
+
+class TTheme extends TTemplate
+{
+ const ASSET_PATH='assets';
+ private $_themePath;
+ private $_themeFile;
+ private $_skins=array();
+
+ public function __construct($content,$themePath)
+ {
+ $this->_themePath=$themePath;
+ $theme=&$this->parse($content);
+ foreach($theme as $skin)
+ {
+ if($skin[0]!==-1)
+ throw new TConfigurationException('theme_control_nested',$skin[1]);
+ else if(!isset($skin[2])) // a text string, ignored
+ continue;
+ $type=$skin[1];
+ $id=isset($skin[2]['skinid'])?$skin[2]['skinid']:0;
+ unset($skin[2]['skinid']);
+ if(isset($this->_skins[$type][$id]))
+ throw new TConfigurationException('theme_skinid_duplicated',$type,$id);
+ foreach($skin[2] as $name=>$value)
+ {
+ if(is_array($value) && $value[0]===0)
+ throw new TConfigurationException('theme_databind_unsupported',$type,$id,$name);
+ }
+ $this->_skins[$type][$id]=$skin[2];
+ }
+ }
+
+ public function applySkin($control)
+ {
+ $type=get_class($control);
+ if(($id=$control->getSkinID())==='')
+ $id=0;
+ if(isset($this->_skins[$type][$id]))
+ {
+ foreach($this->_skins[$type][$id] as $name=>$value)
+ {
+ if(is_array($value))
+ $value=$this->evaluateExpression($value);
+ if(strpos($name,'.')===false) // is simple property or custom attribute
+ {
+ if($control->hasProperty($name))
+ {
+ if($control->canSetProperty($name))
+ {
+ $setter='set'.$name;
+ $control->$setter($value);
+ }
+ else
+ throw new TConfigurationException('theme_property_readonly',get_class($control),$name);
+ }
+ else if($control->getAllowCustomAttributes())
+ $control->getAttributes()->add($name,$value);
+ else
+ throw new TConfigurationException('theme_property_undefined',get_class($control),$name);
+ }
+ else // complex property
+ $control->setSubProperty($name,$value);
+ }
+ return true;
+ }
+ else
+ return false;
+ }
+
+ public function publishFile($file)
+ {
+ return Prado::getApplication()->getService()->getAssetManager()->publishFile($file);
+ }
+
+ public function publishDirectory($directory)
+ {
+ return Prado::getApplication()->getService()->getAssetManager()->publishDirectory($directory);
+ }
+
+ public function getAsset($assetName)
+ {
+ $assetFile=$this->_themePath.'/'.self::ASSET_PATH.'/'.$assetName;
+ if(is_file($assetFile))
+ return $this->publishFile($assetFile);
+ else if(is_dir($assetFile))
+ return $this->publishDirectory($assetFile);
+ else
+ return '';
+ }
+
+}
+
+
+?>
\ No newline at end of file |