gistfile1.inc

<?php
class xPDOSimpleTemplatingObject extends xPDOSimpleObject {
    function __construct(& $xpdo) {
        parent :: __construct($xpdo);
    }
    /**
     * Load a collection of xPDOObject instances.
     *
     * @static
     * @param xPDO &$xpdo A valid xPDO instance.
     * @param string $className Name of the class.
     * @param string $template Template code
     * @param string $placeholder_prefix Placeholders in template will be this prefix plus object's field names
     * @param mixed $criteria A valid primary key, criteria array, or xPDOCriteria instance.
     * @param boolean|integer $cacheFlag Indicates if the objects should be
     * cached and optionally, by specifying an integer value, for how many
     * seconds.
     * @return array An array of xPDOObject instances or an empty array if no instances are loaded.
     */
    public static function iterateCollection(xPDO & $xpdo, $className, $template, $placeholder_prefix = '', $criteria= null, $cacheFlag= true) {
        $fromCache = false;
        $output = '';
        if (!$className= $xpdo->loadClass($className)) return $output;
        $rows= false;
        $fromCache= false;
        $collectionCaching = (integer) $xpdo->getOption(xPDO::OPT_CACHE_DB_COLLECTIONS, array(), 1);
        if (!is_object($criteria)) {
            $criteria= $xpdo->getCriteria($className, $criteria, $cacheFlag);
        }
        if ($collectionCaching > 0 && $xpdo->_cacheEnabled && $cacheFlag) {
            $rows= $xpdo->fromCache($criteria);
            $fromCache = (is_array($rows) && !empty($rows));
        }
        if (!$fromCache && is_object($criteria)) {
            $rows= xPDOObject :: _loadRows($xpdo, $className, $criteria);
        }
        if (is_array ($rows)) {
            foreach ($rows as $row) {
                self :: _templateCollectionInstance($xpdo, $output, $className, $template, $placeholder_prefix, $criteria, $row, $fromCache, $cacheFlag);
            }
        } elseif (is_object($rows)) {
            $cacheRows = array();
            while ($row = $rows->fetch(PDO::FETCH_ASSOC)) {
                self :: _templateCollectionInstance($xpdo, $output, $className, $template, $placeholder_prefix, $criteria, $row, $fromCache, $cacheFlag);
                if ($collectionCaching > 0 && $xpdo->_cacheEnabled && $cacheFlag && !$fromCache) $cacheRows[] = $row;
            }
            if ($collectionCaching > 0 && $xpdo->_cacheEnabled && $cacheFlag && !$fromCache) $rows =& $cacheRows;
        }
        if (!$fromCache && $xpdo->_cacheEnabled && $collectionCaching > 0 && $cacheFlag && !empty($rows)) {
            $xpdo->toCache($criteria, $rows, $cacheFlag);
        }
        return $output;
    }
    
    protected static function _templateCollectionInstance(xPDO & $xpdo, &$output, $className, $template, $placeholder_prefix = '', $criteria, $row, $fromCache, $cacheFlag=true){
        $loaded = false;
        $search = array();
        $replace = array();
        if($obj= xPDOObject :: _loadInstance($xpdo, $className, $criteria, $row)) {
            if (($cacheKey= $obj->getPrimaryKey()) && !$obj->isLazy()) {
                if (is_array($cacheKey)) {
                    $pkval= implode('-', $cacheKey);
                } else {
                    $pkval= $cacheKey;
                }
                if ($xpdo->getOption(xPDO::OPT_CACHE_DB_COLLECTIONS, array(), 1) == 2 && $xpdo->_cacheEnabled && $cacheFlag) {
                    if (!$fromCache) {
                        $pkCriteria = $xpdo->newQuery($className, $cacheKey, $cacheFlag);
                        $xpdo->toCache($pkCriteria, $obj, $cacheFlag);
                    } else {
                        $obj->_cacheFlag= true;
                    }
                }
                $loaded = true;
            } else {
                $loaded = true;
            }
        }
        if($loaded) {
            $vals = $obj->toArray();
            foreach($vals as $k=>$v) {
                $search[] = '[[+' . $placeholder_prefix . $k . ']]';
                $replace[] = $v;
                unset($vals[$k]);
            }
            $output .= str_replace($search, $replace, $template);
        }
        unset($obj);
        return $loaded;
    }
}
class Country extends xPDOSimpleTemplatingObject {
    function __construct(& $xpdo) {
        parent :: __construct($xpdo);
    }    
}
?>