# GoogleChartLabelStyle.class.php

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    00001 <?php
    00002 /***************************************************************************
    00003  *   Copyright (C) 2009 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 GoogleChartLabelStyle extends BaseGoogleChartStyle
    00016     {
    00017         protected $name = 'chm';
    00018
    00022         public static function create()
    00023         {
    00024             return new self;
    00025         }
    00026
    00030         public function addStyle($style)
    00031         {
    00032             Assert::isInstance($style, 'ChartLabelStyle');
    00033
    00034             return parent::addStyle($style);
    00035         }
    00036
    00037         public function hasStyles()
    00038         {
    00039             return !empty($this->styles);
    00040         }
    00041
    00042         public function toString()
    00043         {
    00044             $queryString = "{$this->name}=";
    00045
    00046             Assert::isNotEmptyArray($this->styles);
    00047
    00048             $i = 0;
    00049
    00050             foreach ($this->styles as $style)
    00051                 $queryString .= $style->toString().'|';
    00052
    00053             return rtrim($queryString, '|');
    00054         }
    00055     }
    00056 ?>