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 /* $Id: ColorArray.class.php 4687 2007-12-09 18:57:18Z voxus $ */
00012 
00016     final class ColorArray
00017     {
00018         private $colors = array();
00019         
00023         public function add(Color $color)
00024         {
00025             $this->colors[] = $color;
00026             
00027             return $this;
00028         }
00029         
00033         public function clear()
00034         {
00035             unset($this->colors);
00036             
00037             return $this;
00038         }
00039         
00044         public function getRandomTextColor()
00045         {
00046             if ($this->isEmpty())
00047                 throw new MissingElementException();
00048                 
00049             return $this->colors[array_rand($this->colors)];
00050         }
00051     
00052         public function getColors()
00053         {
00054             return $this->colors;
00055         }
00056         
00057         public function isEmpty()
00058         {
00059             if (count($this->colors) == 0)
00060                 return true;
00061             else
00062                 return false;
00063         }
00064     }
00065 ?>

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