Installer.php

   1 <?php
   2 /*=====================================================================*\
   3 || ###################################################################
   4 || # Blue Static ISSO Framework
   5 || # Copyright ©2002-[#]year[#] Blue Static
   6 || #
   7 || # This program 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; version [#]gpl[#] of the License.
  10 || #
  11 || # This program is distributed in the hope that it will be useful, but
  12 || # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13 || # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  14 || # more details.
  15 || #
  16 || # You should have received a copy of the GNU General Public License along
  17 || # with this program; if not, write to the Free Software Foundation, Inc.,
  18 || # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  19 || ###################################################################
  20 \*=====================================================================*/
  21
  22 /**
  23 * Installer creator (Install.php)
  24 *
  25 * @package      ISSO
  26 */
  27
  28 /**
  29 * Installer
  30 *
  31 * Installer modules should extend this class. In the install module router,
  32 * instantiate the right module. Methods beginning with step*() will be executed
  33 * in numerical order.
  34 *
  35 * @author               Blue Static
  36 * @copyright    Copyright (c)2002 - [#]year[#], Blue Static
  37 * @version              $Revision$
  38 * @package              ISSO
  39 *
  40 */
  41 abstract class BSInstaller
  42 {
  43         /**
  44         * All the method steps
  45         * @var array
  46         */
  47         private $steps = array();
  48
  49         /**
  50         * The file name of this module
  51         * @var string
  52         */
  53         protected $fileName;
  54
  55         /**
  56         * Constructor: set up the steps
  57         *
  58         * @param        string  The file name for this module
  59         */
  60         public function __construct($fileName)
  61         {
  62                 $this->fileName = $fileName;
  63
  64                 BSRegister::RequiredModules(array('Input'));
  65
  66                 $methods = get_class_methods($this);
  67                 foreach ($methods AS $name)
  68                 {
  69                         if (preg_match('#step([0-9]+)#', $name))
  70                         {
  71                                 $this->steps[] = $name;
  72                         }
  73                 }
  74                 natsort($this->steps);
  75
  76                 $this->_runStep(BSRegister::GetType('Input')->inputClean('step', TYPE_UINT));
  77         }
  78
  79         // ###################################################################
  80         /**
  81         * An abstract method that needs to be overridden by a subclass that
  82         * populates the page title
  83         *
  84         * @return       string  Returns the page title
  85         */
  86         protected abstract function _pageTitle();
  87
  88         // ###################################################################
  89         /**
  90         * Abstract method that will return link to the page after all the
  91         * steps are completed. This needs to provide it's own <a>
  92         *
  93         * @return       string  Final page link
  94         */
  95         protected abstract function _finalLink();
  96
  97         // ###################################################################
  98         /**
  99         * Abstract method that prints out the first welcome screen that the
 100         * user sees when no step has been selected
 101         */
 102         protected abstract function _welcomePage();
 103
 104         // ###################################################################
 105         /**
 106         * Prints out the page header... you really don't do this more than
 107         * once
 108         */
 109         protected function _setUp()
 110         {
 111                 ?>
 112 <DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 113         "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 114 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 115 <head>
 116         <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
 117         <title><?= $this->_pageTitle() ?></title>
 118
 119         <style type="text/css">
 120         <!--
 121                 body
 122                 {
 123                         font-family: Verdana, Arial, Helvetica, sans-serif;
 124                         font-size: 12px;
 125                 }
 126
 127                 body a
 128                 {
 129                         color: rgb(0, 0, 238);
 130                 }
 131
 132                 h1
 133                 {
 134                         color: rgb(66, 137, 155);
 135                 }
 136
 137                 .buttonlink
 138                 {
 139                         margin-top: 20px;
 140                 }
 141
 142                 .buttonlink a
 143                 {
 144                         font-weight: bold;
 145                         padding: 5px;
 146                         border: 1px solid black;
 147                         text-decoration: none;
 148                         color: rgb(37, 37, 37);
 149                         background-color: rgb(239, 239, 239);
 150                         margin-top: 20px;
 151                 }
 152         //-->
 153         </style>
 154 </head>
 155 <body>
 156
 157                 <?php
 158         }
 159
 160         // ###################################################################
 161         /**
 162         * Runs the specific step method; if it does not exist, it will throw
 163         * an error
 164         *
 165         * @param        integer Step number
 166         */
 167         protected function _runStep($step)
 168         {
 169                 if ($step == 0)
 170                 {
 171                         $this->_setUp();
 172                         $this->_welcomePage();
 173                         $this->_setDown(0);
 174                 }
 175                 else if (in_array("step$step", $this->steps))
 176                 {
 177                         $this->_setUp();
 178                         $this->{"step$step"}();
 179                         $this->_setDown($step);
 180                 }
 181                 else
 182                 {
 183                         trigger_error("step$step() does not exist in this module");
 184                 }
 185         }
 186
 187         // ###################################################################
 188         /**
 189         * Prints out the footer part of the page, and the appropriate forwarding
 190         * action button
 191         *
 192         * @param        integer Step number
 193         */
 194         protected function _setDown($step)
 195         {
 196                 // this is the last step, print the final button
 197                 if ($step == sizeof($this->steps))
 198                 {
 199                         echo '<div class="buttonlink">' . $this->_finalLink() . '</div>';
 200                 }
 201                 // just another step
 202                 else
 203                 {
 204                         echo '<div class="buttonlink"><a href="' . $this->fileName . '?step=' . ++$step . '">' . _('Next Step') . '</a></div>';
 205                 }
 206
 207                 echo '
 208 </body>
 209
 210 </html>';
 211         }
 212 }
 213
 214 /*=====================================================================*\
 215 || ###################################################################
 216 || # $HeadURL$
 217 || # $Id$
 218 || ###################################################################
 219 \*=====================================================================*/
 220 ?>