public static function getInstance()
{
if (!self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Returns sprite meta data
*
* @param string $imageName Image filename including extension
* @return array Sprite meta data
*/
public function getSpriteMeta($imageName)
{
// return from cache
if (isset($this->_spriteCache[$imageName])) {
return $this->_spriteCache[$imageName];
}
// sprite keys are base on imageURL
$imageURL = $this->getImageURL($imageName, false);
if (empty($imageURL)) {
$this->_spriteCache[$imageName] = false;
return false;
}
// load meta data, includes default images
require_once "include/SugarTheme/SugarSprites.php";
$meta = SugarSprites::getInstance();
// add current theme dir
$meta->loadSpriteMeta($this->dirName);
// add parent theme dir
if ($this->parentTheme && ($parent = SugarThemeRegistry::get($this->parentTheme))) {
$meta->loadSpriteMeta($parent->dirName);
}
// add to cache
if (isset($meta->sprites[$imageURL])) {
$this->_spriteCache[$imageName] = $meta->sprites[$imageURL];
// add imageURL to cache
//$this->_spriteCache[$imageName]['imageURL'] = $imageURL;
} else {
$this->_spriteCache[$imageName] = false;
$GLOBALS['log']->debug("Sprites: miss for {$imageURL}");
}
return $this->_spriteCache[$imageName];
}