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<? | 
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//    ------------------------------------------------------------------------- | 
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//    $Id: Loader.php,v 1.3 2003/02/09 17:10:34 joko Exp $ | 
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//    ------------------------------------------------------------------------- | 
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//    $Log: Loader.php,v $ | 
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//    Revision 1.3  2003/02/09 17:10:34  joko | 
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//    + minor update related to new log level constants | 
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// | 
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//    Revision 1.2  2003/02/04 08:20:34  joko | 
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//    + should now be independent from former encapsulation inside the 'Site'-object | 
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// | 
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//    Revision 1.1  2003/02/03 14:44:35  joko | 
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//    + initial commit | 
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//    + refactored from flib/Site/Loader.php | 
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//    + now inherits from DesignPattern::Logger | 
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// | 
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//    Revision 1.4  2002/12/23 11:33:32  jonen | 
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//    + minor changes | 
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// | 
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//    Revision 1.3  2002/12/19 06:21:37  joko | 
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//    + loadTemplate | 
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//    + case 'template' for 'function loadComponent' | 
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// | 
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//    Revision 1.2  2002/12/12 21:37:46  joko | 
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//    + fixes: now returning success-/error-status | 
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// | 
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//    Revision 1.1  2002/11/12 05:42:31  joko | 
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//    + initial checkin | 
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// | 
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//    ------------------------------------------------------------------------- | 
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 | 
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 | 
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loadModule('Class::Logger'); | 
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 | 
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class Application_ComponentLoader extends Class_Logger { | 
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 | 
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  var $parent; | 
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 | 
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  function includeFile($filename, $args = array()) { | 
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    $this->log( get_class($this) . "->includeFile( filename $filename )", PEAR_LOG_DEBUG); | 
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    // TODO: capture errors (e.g. via an eval) here? | 
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    //global $site; | 
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    //print "parent: " . $this->parent . "<br>"; | 
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    if (include($filename)) { | 
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      return 1; | 
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    } | 
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  } | 
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   | 
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  function loadComponent($name, $type = "", $arguments = array()) { | 
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    $prefix = ""; | 
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    $postfix = ""; | 
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    $this->log( get_class($this) . "->loadComponent( name $name, type $type )", PEAR_LOG_DEBUG); | 
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     | 
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    $parent = $this->parent; | 
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     | 
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    // TODO: croak somewhere (STDOUT?, logger?) if unknown type gets used here | 
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    switch ($type) { | 
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 | 
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      case "handler": | 
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        $prefix = $this->$parent->config[path][handler]; | 
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        //$postfix = ".handler.php"; | 
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        $postfix = ".php"; | 
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        $includefile = "$prefix$name$postfix"; | 
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        return $this->includeFile($includefile); | 
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        break; | 
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 | 
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      case "page": | 
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        $prefix = $this->$parent->config[path][pages]; | 
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        $postfix = ".page"; | 
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        $includefile = "$prefix$name$postfix"; | 
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        return $this->includeFile($includefile, $arguments ); | 
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        break; | 
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 | 
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      case "template": | 
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        // TODO: re-activate this (unset smarty's default directory or handle differently (generic)) | 
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        //$prefix = $this->$parent->config[path][base] . 'core/templates/'; | 
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        $prefix = ''; | 
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        $postfix = ".html"; | 
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        $includefile = "$prefix$name$postfix"; | 
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        //return $this->includeFile($includefile); | 
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        return $this->$parent->template->display($includefile, array(  | 
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          'cache_key' => $arguments[cache_key], | 
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          'interpolate' => $arguments['vars'], | 
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          'return' => $arguments['return'] | 
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        )); | 
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        break; | 
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    } | 
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  } | 
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   | 
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  function loadHandler($name) { | 
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    $this->log( get_class($this) . "->loadHandler( name $name )", PEAR_LOG_DEBUG); | 
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    return $this->loadComponent($name, "handler"); | 
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  } | 
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 | 
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  function loadPage($name, $args = array()) { | 
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    $this->log( get_class($this) . "->loadPage( name $name )", PEAR_LOG_DEBUG); | 
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    return $this->loadComponent($name, "page", $args); | 
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  } | 
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 | 
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  function loadTemplate($name, $template_variables = array(), $cache_key = "") { | 
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    $this->log( get_class($this) . "->loadTemplate( name $name cache_key $cache_key )", PEAR_LOG_DEBUG); | 
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    return $this->loadComponent($name, "template", array( 'cache_key' => $cache_key, 'vars' => $template_variables) ); | 
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  } | 
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 | 
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  function loadClass() { | 
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  } | 
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 | 
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  function loadBusinessClass() { | 
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  } | 
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 | 
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 | 
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   | 
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} | 
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?> |