# ColorArray.class.php

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    00001 <?php
    00002 /***************************************************************************
    00003  *   Copyright (C) 2004-2007 by Dmitry E. Demidov                          *
    00004  *                                                                         *
    00005  *   This program is free software; you can redistribute it and/or modify  *
    00006  *   it under the terms of the GNU Lesser General Public License as        *
    00007  *   published by the Free Software Foundation; either version 3 of the    *
    00008  *   License, or (at your option) any later version.                       *
    00009  *                                                                         *
    00010  ***************************************************************************/
    00011
    00015     final class ColorArray
    00016     {
    00017         private $colors = array();
    00018
    00022         public function add(Color $color)
    00023         {
    00024             $this->colors[] = $color;
    00025
    00026             return $this;
    00027         }
    00028
    00032         public function clear()
    00033         {
    00034             unset($this->colors);
    00035
    00036             return $this;
    00037         }
    00038
    00043         public function getRandomTextColor()
    00044         {
    00045             if ($this->isEmpty())
    00046                 throw new MissingElementException();
    00047
    00048             return $this->colors[array_rand($this->colors)];
    00049         }
    00050
    00051         public function getColors()
    00052         {
    00053             return $this->colors;
    00054         }
    00055
    00056         public function isEmpty()
    00057         {
    00058             if (count($this->colors) == 0)
    00059                 return true;
    00060             else
    00061                 return false;
    00062         }
    00063     }
    00064 ?>