fwolf /
fwlib
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| 1 | <?php |
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| 2 | require_once(dirname(__FILE__) . '/fwolflib.php'); |
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| 3 | require_once(FWOLFLIB . 'class/cache/cache.php'); |
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| 4 | require_once(FWOLFLIB . 'class/form.php'); |
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| 5 | require_once(FWOLFLIB . 'class/list-table.php'); |
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| 6 | require_once(FWOLFLIB . 'class/validator.php'); |
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| 7 | require_once(FWOLFLIB . 'class/ajax/ajax-sel-div.php'); |
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| 8 | require_once(FWOLFLIB . 'func/string.php'); |
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| 9 | require_once(FWOLFLIB . 'func/request.php'); |
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| 10 | |||
| 11 | |||
| 12 | /** |
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| 13 | * View in MVC |
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| 14 | * |
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| 15 | * View是在Controler和Module之间起到一个融合的作用,它从Controler接受命令, |
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| 16 | * 从Module中接受数据,然后使用适当的模板和顺序来生成最终的html代码, |
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| 17 | * 然后交给Controler输出。 |
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| 18 | * |
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| 19 | * View主要体现为各项功能的page.php页面,相似的功能可以放在一个文件中进行处理, |
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| 20 | * 方便一些Module调用的共享。 |
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| 21 | * |
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| 22 | * View从Module得到结果数据后,使用Smarty模板进行加工,生成html,再交给Controler输出。 |
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| 23 | * |
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| 24 | * Action的处理主要在View中,Action的默认值也在View中赋予和实现。 |
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| 25 | * |
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| 26 | * |
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| 27 | * Output generate sequence: |
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| 28 | * GetOutput() |
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| 29 | * GenHeader() |
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| 30 | * GenMenu() |
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| 31 | * GenContent() |
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| 32 | * Will auto call GenXxx() or GenContentXxx() is exists. |
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| 33 | * GenFooter() |
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| 34 | * |
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| 35 | * |
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| 36 | * If need to re-generate some part, you can directly call GenFooter() etc. |
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| 37 | * |
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| 38 | * Apply 'cache=0' at end of url will force cache update, |
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| 39 | * notice there is no cache stored for url plused 'cache=0'. |
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| 40 | * |
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| 41 | * |
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| 42 | * Roadmap: |
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| 43 | * |
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| 44 | * 2012-11-16 1.2 488a3fbf41 |
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| 45 | * Using new Cache class, cache as inner object var now. |
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| 46 | * 2010-06-21 1.1 c10b557466 |
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| 47 | * Rename GenContentXxx() to GenXxx(), with backward compative. |
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| 48 | * 2010-05-21 1.0 60d16e2417 |
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| 49 | * Basic feature. |
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| 50 | * |
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| 51 | * |
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| 52 | * @deprecated Use Fwlib\Mvc\AbstractView |
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| 53 | * @package fwolflib |
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| 54 | * @subpackage class.mvc |
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| 55 | * @copyright Copyright 2008-2012, Fwolf |
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| 56 | * @author Fwolf <[email protected]> |
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| 57 | * @since 2008-04-06 |
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| 58 | * @see Controler |
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| 59 | * @see Module |
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| 60 | */ |
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| 61 | abstract class View extends Fwolflib { |
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| 62 | |||
| 63 | /** |
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| 64 | * Action parameter, the view command to determin what to display |
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| 65 | * @var string // $_GET['a'], means which action user prefered of the module |
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| 66 | */ |
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| 67 | protected $sAction = null; |
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| 68 | |||
| 69 | /** |
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| 70 | * Ajax select div object |
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| 71 | * @var object |
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| 72 | */ |
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| 73 | public $oAjaxSelDiv = null; |
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| 74 | |||
| 75 | /** |
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| 76 | * Cache object |
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| 77 | * @var object |
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| 78 | */ |
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| 79 | public $oCache = NULL; |
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| 80 | |||
| 81 | /** |
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| 82 | * If cache turned on |
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| 83 | * Remember to set cache config before turned it on. |
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| 84 | * @var boolean |
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| 85 | */ |
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| 86 | public $bCacheOn = false; |
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| 87 | |||
| 88 | /** |
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| 89 | * Css file url used in header |
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| 90 | * eg: array(array(0 => 'default.css', 1 => 'screen, print'), ...) |
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| 91 | * @var array of array |
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| 92 | */ |
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| 93 | public $aCss = array(); |
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| 94 | |||
| 95 | /** |
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| 96 | * View's caller -- Controler object |
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| 97 | * @var object |
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| 98 | */ |
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| 99 | public $oCtl = null; |
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| 100 | |||
| 101 | /** |
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| 102 | * Form object, auto new when first used. |
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| 103 | * @var object |
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| 104 | */ |
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| 105 | public $oForm = null; |
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| 106 | |||
| 107 | /** |
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| 108 | * Js file url used in header |
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| 109 | * eg: 'common.js', ..., Can index by string. |
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| 110 | * @var array of string |
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| 111 | */ |
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| 112 | public $aJs = array(); |
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| 113 | |||
| 114 | /** |
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| 115 | * ListTable object, auto new when first used. |
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| 116 | * @var object |
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| 117 | */ |
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| 118 | public $oLt = null; |
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| 119 | |||
| 120 | /** |
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| 121 | * Output content generated |
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| 122 | * @var string |
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| 123 | */ |
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| 124 | public $sOutput = ''; |
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| 125 | |||
| 126 | /** |
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| 127 | * Main content part of output content, normail is page main content |
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| 128 | * @var string |
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| 129 | */ |
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| 130 | protected $sOutputContent = ''; |
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| 131 | |||
| 132 | /** |
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| 133 | * Footer part of output content |
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| 134 | * |
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| 135 | * In common, this will include some end part of <body> and etc. |
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| 136 | * @var string |
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| 137 | */ |
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| 138 | protected $sOutputFooter = ''; |
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| 139 | |||
| 140 | /** |
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| 141 | * Header part of output content, normally is html header part |
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| 142 | * |
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| 143 | * In common, this will include all <html> and some beginner part of <body> |
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| 144 | * @var string |
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| 145 | */ |
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| 146 | protected $sOutputHeader = ''; |
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| 147 | |||
| 148 | /** |
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| 149 | * Menu part of output content, optional |
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| 150 | * @var string |
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| 151 | */ |
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| 152 | protected $sOutputMenu = ''; |
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| 153 | |||
| 154 | /** |
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| 155 | * If use tidy to format output html code, default false. |
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| 156 | * @var boolean |
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| 157 | */ |
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| 158 | public $bOutputTidy = false; |
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| 159 | |||
| 160 | /** |
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| 161 | * If show debug info on footer ? |
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| 162 | * @var boolean |
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| 163 | */ |
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| 164 | public $bShowDebugInfo = false; |
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| 165 | |||
| 166 | /** |
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| 167 | * Template object, auto new when first used. |
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| 168 | * @var object |
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| 169 | */ |
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| 170 | public $oTpl = null; |
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| 171 | |||
| 172 | /** |
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| 173 | * Template file path |
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| 174 | * @var array |
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| 175 | */ |
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| 176 | protected $aTplFile = array( |
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| 177 | 'footer' => 'footer.tpl', |
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| 178 | 'header' => 'header.tpl', |
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| 179 | 'menu' => 'menu.tpl', |
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| 180 | ); |
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| 181 | |||
| 182 | /** |
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| 183 | * Validator object. |
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| 184 | * @var object |
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| 185 | */ |
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| 186 | public $oValidator = null; |
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| 187 | |||
| 188 | /** |
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| 189 | * Html <title> of this view |
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| 190 | * @var string |
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| 191 | */ |
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| 192 | protected $sViewTitle = ''; |
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| 193 | |||
| 194 | |||
| 195 | // New Tpl object |
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| 196 | abstract protected function NewObjTpl(); |
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| 197 | |||
| 198 | |||
| 199 | /* |
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| 200 | // Changed to define directly in this class (below), |
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| 201 | // sub class only need to set tpl file name or do some other action. |
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| 202 | abstract public function GenFooter(); |
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| 203 | abstract public function GenHeader(); |
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| 204 | abstract public function GenMenu(); |
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| 205 | */ |
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| 206 | |||
| 207 | // An template is given, point to action-relate method, |
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| 208 | // and will check method exists at first. |
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| 209 | //abstract protected function GenContent(); |
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| 210 | |||
| 211 | |||
| 212 | /** |
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| 213 | * construct |
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| 214 | * @param object &$ctl Caller controler object |
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| 215 | */ |
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| 216 | public function __construct (&$ctl) { |
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| 217 | parent::__construct(); |
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| 218 | |||
| 219 | // For auto-new |
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| 220 | unset($this->oAjaxSelDiv); |
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| 221 | unset($this->oCache); |
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| 222 | unset($this->oForm); |
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| 223 | unset($this->oLt); |
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| 224 | unset($this->oTpl); |
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| 225 | unset($this->oValidator); |
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| 226 | |||
| 227 | $this->oCtl = $ctl; |
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| 228 | $this->sAction = GetGet('a'); |
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| 229 | |||
| 230 | /* |
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| 231 | $this->NewObjForm(); |
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| 232 | $this->NewObjTpl(); |
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| 233 | $this->NewObjLt(); |
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| 234 | */ |
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| 235 | |||
| 236 | /* Template dir must be set before using |
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| 237 | $this->GenHeader(); |
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| 238 | $this->GenMenu(); |
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| 239 | $this->GenContent(); |
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| 240 | $this->GenFooter(); |
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| 241 | */ |
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| 242 | } // end of func __construct |
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| 243 | |||
| 244 | |||
| 245 | /** |
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| 246 | * Auto new obj if not set, for some special var only |
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| 247 | * |
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| 248 | * @param string $name |
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| 249 | * @return object |
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| 250 | */ |
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| 251 | View Code Duplication | public function __get($name) |
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| 252 | { |
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| 253 | if ('o' == $name{0}) { |
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| 254 | $s_func = 'NewObj' . substr($name, 1); |
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| 255 | if (method_exists($this, $s_func)) { |
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| 256 | // New object |
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| 257 | $this->$name = $this->$s_func(); |
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| 258 | return $this->$name; |
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| 259 | } |
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| 260 | } |
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| 261 | |||
| 262 | return null; |
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| 263 | } // end of func __get |
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| 264 | |||
| 265 | |||
| 266 | /** |
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| 267 | * Get content to output with cache |
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| 268 | * |
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| 269 | * @return string |
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| 270 | */ |
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| 271 | public function CacheGetOutput() { |
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| 272 | $key = $this->CacheKey(); |
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| 273 | |||
| 274 | if ('0' == GetGet('cache')) { |
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| 275 | // Cache temp off, but still gen & set |
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| 276 | $s = NULL; |
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| 277 | } else { |
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| 278 | // Try get |
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| 279 | $s = $this->oCache->Get($key, $this->CacheLifetime()); |
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| 280 | } |
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| 281 | |||
| 282 | if (is_null($s)) { |
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| 283 | // Cache invalid, gen and set |
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| 284 | $s = $this->GetOutput(); |
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| 285 | $this->oCache->Set($key, $s, $this->CacheLifetime()); |
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| 286 | } |
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| 287 | |||
| 288 | return $s; |
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| 289 | } // end of func CacheGetOutput |
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| 290 | |||
| 291 | |||
| 292 | /** |
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| 293 | * Gen key of cache by request uri |
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| 294 | * |
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| 295 | * @return string |
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| 296 | */ |
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| 297 | public function CacheKey() { |
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| 298 | $key = $_SERVER['REQUEST_URI']; |
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| 299 | $key = str_replace(array('?', '&', '=', '//'), '/', $key); |
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| 300 | |||
| 301 | // When force update cache, ignore 'cache=0' in url |
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| 302 | if ('0' == GetGet('cache')) { |
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| 303 | // Can't unset($_GET['cache']); |
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| 304 | // Because it's used later |
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| 305 | $key = str_replace('/cache/0', '', $key); |
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| 306 | } |
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| 307 | |||
| 308 | // Remove tailing '/' |
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| 309 | View Code Duplication | if ('/' == substr($key, -1)) |
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| 310 | $key = substr($key, 0, strlen($key) - 1); |
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| 311 | |||
| 312 | return $key; |
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| 313 | } // end of func CacheKey |
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| 314 | |||
| 315 | |||
| 316 | /** |
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| 317 | * Got cache lifetime, by second |
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| 318 | * Should often re-define in sub class. |
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| 319 | * |
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| 320 | * @param string $key |
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| 321 | * @return int |
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| 322 | */ |
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| 323 | public function CacheLifetime ($key = '') { |
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| 324 | if (empty($key)) |
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| 325 | $key = $this->CacheKey(); |
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| 326 | |||
| 327 | // Default 60s * 60m = 3600s |
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| 328 | return 3600; |
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| 329 | } // end of func CacheLifetime |
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| 330 | |||
| 331 | |||
| 332 | /** |
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| 333 | * Generate main content of page |
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| 334 | * |
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| 335 | * Doing this by call sub-method according to $sAction, |
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| 336 | * Also, this can be override by extended class. |
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| 337 | */ |
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| 338 | public function GenContent() { |
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| 339 | if ('content' == strtolower($this->sAction)) |
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| 340 | $this->oCtl->ViewErrorDisp("Action shoud not named 'content'."); |
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| 341 | |||
| 342 | if (empty($this->sAction)) |
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| 343 | $this->oCtl->ViewErrorDisp("No action given."); |
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| 344 | |||
| 345 | // Check if action relate method existence, |
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| 346 | // call it or report error. |
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| 347 | $s_func = StrUnderline2Ucfirst($this->sAction, true); |
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| 348 | $s_func1 = 'Gen' . $s_func; |
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| 349 | $s_func2 = 'GenContent' . $s_func; |
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| 350 | if (method_exists($this, $s_func1)) { |
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| 351 | $this->sOutputContent = $this->$s_func1(); |
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| 352 | return $this->sOutputContent; |
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| 353 | } |
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| 354 | elseif (method_exists($this, $s_func2)) { |
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| 355 | $this->sOutputContent = $this->$s_func2(); |
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| 356 | return $this->sOutputContent; |
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| 357 | } |
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| 358 | // ?a=ajax-something |
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| 359 | elseif ('ajax-' == strtolower(substr($this->sAction, 0, 5)) |
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| 360 | && method_exists($this, $s_func)) { |
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| 361 | $this->sOutputContent = $this->$s_func(); |
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| 362 | return $this->sOutputContent; |
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| 363 | } |
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| 364 | else |
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| 365 | // An invalid action is given |
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| 366 | $this->oCtl->ViewErrorDisp("The given action {$this->sAction} invalid or method $s_func1 doesn't exists."); |
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| 367 | } // end of func GenContent |
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| 368 | |||
| 369 | |||
| 370 | /** |
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| 371 | * Generate footer part |
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| 372 | */ |
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| 373 | public function GenFooter() { |
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| 374 | $this->sOutputFooter = $this->oTpl->fetch($this->aTplFile['footer']); |
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| 375 | |||
| 376 | // Set time used and db query executed time |
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| 377 | if ($this->bShowDebugInfo) |
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| 378 | $this->sOutputFooter = str_replace('<!-- debug info -->' |
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| 379 | , $this->oCtl->GetDebugInfo($this) |
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| 380 | . '<!-- debug info -->' |
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| 381 | , $this->sOutputFooter); |
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| 382 | |||
| 383 | return $this->sOutputFooter; |
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| 384 | } // end of func GenFooter |
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| 385 | |||
| 386 | |||
| 387 | /** |
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| 388 | * Generate header part |
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| 389 | * |
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| 390 | * @see $aCss, $aJs |
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| 391 | */ |
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| 392 | public function GenHeader () { |
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| 393 | $this->oTpl->assignByRef('css', $this->aCss); |
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| 394 | |||
| 395 | $this->aJs = array_unique($this->aJs); |
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| 396 | $this->oTpl->assignByRef('js', $this->aJs); |
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| 397 | |||
| 398 | $this->sOutputHeader = $this->oTpl->fetch($this->aTplFile['header']); |
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| 399 | return $this->sOutputHeader; |
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| 400 | } // end of func GenHeader |
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| 401 | |||
| 402 | |||
| 403 | /** |
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| 404 | * Generate menu part |
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| 405 | */ |
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| 406 | public function GenMenu() |
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| 407 | { |
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| 408 | $this->sOutputMenu = $this->oTpl->fetch($this->aTplFile['menu']); |
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| 409 | return $this->sOutputMenu; |
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| 410 | } // end of func GenMenu |
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| 411 | |||
| 412 | |||
| 413 | /** |
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| 414 | * Get content to output |
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| 415 | * |
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| 416 | * @return string |
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| 417 | * @see $sOutput |
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| 418 | */ |
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| 419 | public function GetOutput () { |
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| 420 | if (empty($this->sOutputContent)) |
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| 421 | $this->sOutputContent = $this->GenContent(); |
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| 422 | if (empty($this->sOutputHeader)) |
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| 423 | $this->sOutputHeader = $this->GenHeader(); |
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| 424 | if (empty($this->sOutputMenu)) |
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| 425 | $this->sOutputMenu = $this->GenMenu(); |
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| 426 | if (empty($this->sOutputFooter)) |
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| 427 | $this->sOutputFooter = $this->GenFooter(); |
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| 428 | $this->sOutput = $this->sOutputHeader . |
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| 429 | $this->sOutputMenu . |
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| 430 | $this->sOutputContent . |
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| 431 | $this->sOutputFooter; |
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| 432 | |||
| 433 | // Use tidy ? |
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| 434 | if (true == $this->bOutputTidy) |
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| 435 | $this->sOutput = $this->Tidy($this->sOutput); |
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| 436 | |||
| 437 | return $this->sOutput; |
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| 438 | } // end of func GetOutput |
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| 439 | |||
| 440 | |||
| 441 | /** |
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| 442 | * New AjaxSelectDiv object |
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| 443 | * |
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| 444 | * @see $oAjaxSelectDiv |
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| 445 | */ |
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| 446 | protected function NewObjAjaxSelDiv() { |
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| 447 | return new AjaxSelDiv(); |
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| 448 | } // end of func NewObjAjaxSelDiv |
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| 449 | |||
| 450 | |||
| 451 | /** |
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| 452 | * New Cache object |
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| 453 | * |
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| 454 | * Need replace by sub class, assign cache type |
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| 455 | * |
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| 456 | * @see $oCache |
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| 457 | */ |
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| 458 | protected function NewObjCache () { |
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| 459 | return Cache::Create(''); |
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| 460 | } // end of func NewObjCache |
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| 461 | |||
| 462 | |||
| 463 | /** |
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| 464 | * New Form object |
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| 465 | * |
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| 466 | * @see $oForm |
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| 467 | */ |
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| 468 | protected function NewObjForm() { |
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| 469 | return new Form; |
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| 470 | } // end of func NewObjForm |
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| 471 | |||
| 472 | |||
| 473 | /** |
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| 474 | * New ListTable object |
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| 475 | * |
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| 476 | * @see $oLt |
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| 477 | */ |
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| 478 | protected function NewObjLt() { |
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| 479 | return new ListTable($this->oTpl); |
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| 480 | } // end of func NewObjLt |
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| 481 | |||
| 482 | |||
| 483 | /** |
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| 484 | * New Validator object |
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| 485 | * |
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| 486 | * @see $oValidator |
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| 487 | * @return object |
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| 488 | */ |
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| 489 | protected function NewObjValidator () { |
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| 490 | return new Validator(); |
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| 491 | } // end of func NewObjValidator |
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| 492 | |||
| 493 | |||
| 494 | /** |
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| 495 | * Set <title> of view page |
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| 496 | * @param string $title |
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| 497 | */ |
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| 498 | public function SetViewTitle($title) |
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| 499 | { |
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| 500 | // Init tpl variables set |
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| 501 | $this->oTpl->assignByRef('view_title', $this->sViewTitle); |
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| 502 | |||
| 503 | $this->sViewTitle = $title; |
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| 504 | $this->sOutputHeader = $this->GenHeader(); |
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| 505 | } // end of func SetViewTitle |
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| 506 | |||
| 507 | |||
| 508 | /** |
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| 509 | * Use tidy to format html string |
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| 510 | * |
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| 511 | * @param string &$html |
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| 512 | * @return string |
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| 513 | */ |
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| 514 | View Code Duplication | public function Tidy (&$html) { |
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| 515 | if (true == class_exists("tidy")) { |
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| 516 | // Specify configuration |
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| 517 | $config = array( |
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| 518 | 'doctype' => 'strict', |
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| 519 | 'indent' => true, |
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| 520 | 'indent-spaces' => 2, |
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| 521 | 'output-xhtml' => true, |
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| 522 | 'wrap' => 200 |
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| 523 | ); |
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| 524 | // Do tidy |
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| 525 | $tidy = new tidy; |
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| 526 | $tidy->parseString($html, $config, 'utf8'); |
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| 527 | $tidy->cleanRepair(); |
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| 528 | |||
| 529 | return tidy_get_output($tidy); |
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| 530 | } else { |
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| 531 | $this->Log('Tidy is not installed !', 4); |
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| 532 | return $html; |
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| 533 | } |
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| 534 | } // end of func Tidy |
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| 535 | |||
| 536 | } // end of class View |
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| 537 | ?> |
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| 538 |
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.