1: <?php 
  2: /* -------------------------------------------------------------
  3: This file is part of FreeDESK
  4: 
  5: FreeDESK is (C) Copyright 2012 David Cutting
  6: 
  7: FreeDESK is free software: you can redistribute it and/or modify
  8: it under the terms of the GNU General Public License as published by
  9: the Free Software Foundation, either version 3 of the License, or
 10: (at your option) any later version.
 11: 
 12: FreeDESK is distributed in the hope that it will be useful,
 13: but WITHOUT ANY WARRANTY; without even the implied warranty of
 14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15: GNU General Public License for more details.
 16: 
 17: You should have received a copy of the GNU General Public License
 18: along with FreeDESK.  If not, see www.gnu.org/licenses
 19: 
 20: For more information see www.purplepixie.org/freedesk/
 21: -------------------------------------------------------------- */
 22: 
 23: /**
 24:  * Entity List Iterator - iterate through the contents of an EntityList
 25: **/
 26: class EntityListIterator
 27: {
 28: 	/**
 29: 	 * Current list
 30: 	**/
 31: 	private $list = null;
 32: 	
 33: 	/**
 34: 	 * Current/last index
 35: 	**/
 36: 	private $index = -1;
 37: 	
 38: 	/**
 39: 	 * Constructor
 40: 	 * @param $list The Entity List to iterate through
 41: 	**/
 42: 	function EntityListIterator(&$list)
 43: 	{
 44: 		$this->list = &$list;
 45: 		$this->index = -1;
 46: 	}
 47: 	
 48: 	/**
 49: 	 * Fetch next
 50: 	 * @return mixed Entity object or bool null on failure
 51: 	**/
 52: 	function FetchNext()
 53: 	{
 54: 		return $this->list->Fetch[++$this->index];
 55: 	}
 56: }
 57: 
 58: /**
 59:  * Entity List - list of Entity objects found e.g. in a search
 60: **/
 61: class EntityList
 62: {
 63: 	/**
 64: 	 * Data Items
 65: 	**/
 66: 	private $items = array();
 67: 	
 68: 	/**
 69: 	 * Count of Items
 70: 	**/
 71: 	private $count = 0;
 72: 	
 73: 	/**
 74: 	 * Add an item
 75: 	 * @param mixed $item Entity object to add to list
 76: 	**/
 77: 	function Add(&$item)
 78: 	{
 79: 		$this->items[]=&$item;
 80: 		$this->count++;
 81: 	}
 82: 	
 83: 	/**
 84: 	 * Fetch an item by index
 85: 	 * @param int $item Item Index
 86: 	 * @return mixed Entity object if found or bool null if not found
 87: 	**/
 88: 	function Fetch($item)
 89: 	{
 90: 		if (isset($this->items[$item]))
 91: 			return $this->items[$item];
 92: 		else
 93: 			return false;
 94: 	}
 95: }
 96: 
 97: ?>
 98: 
 99: