1: <?php
  2: /**
  3:  * Copyright 2010-2014 Horde LLC (http://www.horde.org/)
  4:  *
  5:  * See the enclosed file COPYING for license information (GPL). If you
  6:  * did not receive this file, see http://www.horde.org/licenses/gpl.
  7:  *
  8:  * @category  Horde
  9:  * @copyright 2010-2014 Horde LLC
 10:  * @license   http://www.horde.org/licenses/gpl GPL
 11:  * @package   IMP
 12:  */
 13: 
 14: /**
 15:  * A Horde_Injector based IMP_Compose factory.
 16:  *
 17:  * @author    Michael Slusarz <slusarz@horde.org>
 18:  * @category  Horde
 19:  * @copyright 2010-2014 Horde LLC
 20:  * @license   http://www.horde.org/licenses/gpl GPL
 21:  * @package   IMP
 22:  */
 23: class IMP_Factory_Compose
 24: extends Horde_Core_Factory_Base
 25: implements Horde_Shutdown_Task
 26: {
 27:     /** Storage key for compose objects. */
 28:     const STORAGE_KEY = 'compose_ob/';
 29: 
 30:     /**
 31:      * Instances.
 32:      *
 33:      * @var array
 34:      */
 35:     private $_instances = array();
 36: 
 37:     /**
 38:      */
 39:     public function __construct(Horde_Injector $injector)
 40:     {
 41:         parent::__construct($injector);
 42: 
 43:         Horde_Shutdown::add($this);
 44:     }
 45: 
 46:     /**
 47:      * Return the IMP_Compose:: instance.
 48:      *
 49:      * @param string $cacheid  The cache ID string.
 50:      *
 51:      * @return IMP_Compose  The singleton compose instance.
 52:      * @throws IMP_Exception
 53:      */
 54:     public function create($cacheid = null)
 55:     {
 56:         global $session;
 57: 
 58:         if (empty($cacheid)) {
 59:             $cacheid = strval(new Horde_Support_Randomid());
 60:         } elseif (!isset($this->_instances[$cacheid])) {
 61:             $this->_instances[$cacheid] = $session->get('imp', self::STORAGE_KEY . $cacheid);
 62:         }
 63: 
 64:         if (empty($this->_instances[$cacheid])) {
 65:             $this->_instances[$cacheid] = new IMP_Compose($cacheid);
 66:         }
 67: 
 68:         return $this->_instances[$cacheid];
 69:     }
 70: 
 71:     /**
 72:      * Tasks to perform on shutdown.
 73:      */
 74:     public function shutdown()
 75:     {
 76:         global $session;
 77: 
 78:         foreach ($this->_instances as $key => $val) {
 79:             switch ($val->changed) {
 80:             case 'changed':
 81:                 $session->set('imp', self::STORAGE_KEY . $key, $val);
 82:                 break;
 83: 
 84:             case 'deleted':
 85:                 $session->remove('imp', self::STORAGE_KEY . $key);
 86:                 break;
 87:             }
 88:         }
 89:     }
 90: 
 91:     /**
 92:      * Return a list of all compose objects currently stored in the session.
 93:      *
 94:      * @return array  List of IMP_Compose objects.
 95:      */
 96:     public function getAllObs()
 97:     {
 98:         global $session;
 99: 
100:         return $session->get('imp', self::STORAGE_KEY, $session::TYPE_ARRAY);
101:     }
102: 
103: }
104: