GoogleChartColor.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2008 by Denis M. Gabaidulin                             *
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 GoogleChartColor extends BaseGoogleChartParameter
00016     {
00017         protected $name = 'chco';
00018         
00019         private $colors = array();
00020         
00024         public static function create()
00025         {
00026             return new self;
00027         }
00028         
00032         public function addColor(Color $color)
00033         {
00034             $this->colors[] = $color;
00035             
00036             return $this;
00037         }
00038         
00039         public function toString()
00040         {
00041             $queryString = "{$this->name}=";
00042             
00043             Assert::isNotEmptyArray($this->colors);
00044             
00045             foreach ($this->colors as $color)
00046                 $queryString .= $color->toString().',';
00047             
00048             return rtrim($queryString, ',');
00049         }
00050     }
00051 ?>