| 1 | <?php |
| 2 | /******************************************************************************** |
| 3 | * banana/page.inc.php : class for group lists |
| 4 | * ------------------------ |
| 5 | * |
| 6 | * This file is part of the banana distribution |
| 7 | * Copyright: See COPYING files that comes with this distribution |
| 8 | ********************************************************************************/ |
| 9 | |
| 10 | require_once 'smarty/libs/Smarty.class.php'; |
| 11 | |
| 12 | class BananaPage extends Smarty |
| 13 | { |
| 14 | private $error = array(); |
| 15 | private $page = null; |
| 16 | |
| 17 | private $pages = array(); |
| 18 | private $killed = array(); |
| 19 | private $actions = array(); |
| 20 | |
| 21 | public function __construct() |
| 22 | { |
| 23 | $this->Smarty(); |
| 24 | |
| 25 | $this->compile_check = Banana::$debug_smarty; |
| 26 | $this->template_dir = dirname(__FILE__) . '/templates/'; |
| 27 | $this->compile_dir = dirname(dirname(__FILE__)) . '/spool/templates_c/'; |
| 28 | $this->register_prefilter('banana_trimwhitespace'); |
| 29 | |
| 30 | } |
| 31 | |
| 32 | /** Add an error message |
| 33 | * @param message STRING html code of the error to display |
| 34 | */ |
| 35 | public function trig($message) |
| 36 | { |
| 37 | $this->error[] = $message; |
| 38 | } |
| 39 | |
| 40 | /** Kill the current page (generate an error message and skip page generation) |
| 41 | * @param message STRING html code of the error message to display |
| 42 | @ @return XHTML code of the page |
| 43 | */ |
| 44 | public function kill($message) |
| 45 | { |
| 46 | $this->trig($message); |
| 47 | $this->assign('killed', true); |
| 48 | return $this->run(); |
| 49 | } |
| 50 | |
| 51 | /** Set the current page |
| 52 | * @param page STRING page name |
| 53 | */ |
| 54 | public function setPage($page) |
| 55 | { |
| 56 | $this->page = $page; |
| 57 | return true; |
| 58 | } |
| 59 | |
| 60 | /** Register an action to show on banana page |
| 61 | * @param action_code HTML code of the action |
| 62 | * @param pages ARRAY pages where to show the action (null == every pages) |
| 63 | * @return true if success |
| 64 | */ |
| 65 | public function registerAction($action_code, array $pages = null) |
| 66 | { |
| 67 | $this->actions[] = array('text' => $action_code, 'pages' => $pages); |
| 68 | return true; |
| 69 | } |
| 70 | |
| 71 | /** Register a new page |
| 72 | * @param name Name of the page |
| 73 | * @param text Text for the tab of the page |
| 74 | * @param template Template path for the page if null, the page is not handled by banana |
| 75 | * @return true if success |
| 76 | */ |
| 77 | public function registerPage($name, $text, $template = null) |
| 78 | { |
| 79 | $this->pages[$name] = array('text' => $text, 'template' => $template); |
| 80 | return true; |
| 81 | } |
| 82 | |
| 83 | /** Remove a page |
| 84 | * @param page STRING page name to kill |
| 85 | */ |
| 86 | public function killPage($page) |
| 87 | { |
| 88 | $this->killed[] = $page; |
| 89 | } |
| 90 | |
| 91 | /** Preparte the page generation |
| 92 | * @return template to use |
| 93 | */ |
| 94 | protected function prepare() |
| 95 | { |
| 96 | $this->registerPage('subscribe', _b_('Abonnements'), null); |
| 97 | $this->registerPage('forums', _b_('Les forums'), null); |
| 98 | if (!is_null(Banana::$group)) { |
| 99 | $this->registerPage('thread', Banana::$group, null); |
| 100 | if (!is_null(Banana::$artid)) { |
| 101 | $this->registerPage('message', _b_('Message'), null); |
| 102 | if ($this->page == 'cancel') { |
| 103 | $this->registerPage('cancel', _b_('Annulation'), null); |
| 104 | } elseif ($this->page == 'new') { |
| 105 | $this->registerPage('new', _b_('Répondre'), null); |
| 106 | } |
| 107 | } elseif ($this->page == 'new') { |
| 108 | $this->registerPage('new', _b_('Nouveau'), null); |
| 109 | } |
| 110 | } |
| 111 | foreach ($this->killed as $page) { |
| 112 | unset($this->pages[$page]); |
| 113 | } |
| 114 | foreach ($this->actions as $key=>&$action) { |
| 115 | if (!is_null($action['pages']) && !in_array($this->page, $action['pages'])) { |
| 116 | unset($this->actions[$key]); |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | return 'banana-base.tpl'; |
| 121 | } |
| 122 | |
| 123 | /** Generate XHTML code |
| 124 | */ |
| 125 | public function run() |
| 126 | { |
| 127 | $tpl = $this->prepare(); |
| 128 | if (!isset($this->pages[$this->page])) { |
| 129 | $this->trig(_b_('La page demandée n\'existe pas')); |
| 130 | $this->actions = array(); |
| 131 | $this->page = null; |
| 132 | } |
| 133 | |
| 134 | $this->assign('group', Banana::$group); |
| 135 | $this->assign('artid', Banana::$artid); |
| 136 | $this->assign('part', Banana::$part); |
| 137 | $this->assign('first', Banana::$first); |
| 138 | $this->assign('action', Banana::$action); |
| 139 | $this->assign('profile', Banana::$profile); |
| 140 | $this->assign('spool', Banana::$spool); |
| 141 | $this->assign('protocole', Banana::$protocole); |
| 142 | $this->assign('showboxlist', Banana::$spool_boxlist); |
| 143 | $this->assign('showthread', Banana::$msgshow_withthread); |
| 144 | $this->assign('withtabs' , Banana::$withtabs); |
| 145 | |
| 146 | $this->register_function('url', array($this, 'makeUrl')); |
| 147 | $this->register_function('link', array($this, 'makeLink')); |
| 148 | $this->register_function('imglink', array($this, 'makeImgLink')); |
| 149 | $this->register_function('img', array($this, 'makeImg')); |
| 150 | $this->register_modifier('b', '_b_'); |
| 151 | |
| 152 | $this->assign('errors', $this->error); |
| 153 | $this->assign('page', $this->page); |
| 154 | $this->assign('pages', $this->pages); |
| 155 | $this->assign('actions', $this->actions); |
| 156 | |
| 157 | if (!Banana::$debug_smarty) { |
| 158 | $error_level = error_reporting(0); |
| 159 | } |
| 160 | $text = $this->fetch($tpl); |
| 161 | $text = banana_utf8entities($text); |
| 162 | if (!Banana::$debug_smarty) { |
| 163 | error_reporting($error_level); |
| 164 | } |
| 165 | return $text; |
| 166 | } |
| 167 | |
| 168 | /** Build a URL in Banana |
| 169 | * @param params ARRAY location datas |
| 170 | * @param smarty OBJECT Smarty instance associated (null if none) |
| 171 | * @return URL of the page associated with the given parameters |
| 172 | * |
| 173 | * Usual parameters are : |
| 174 | * - group : the box name |
| 175 | * - artid : the current message id (index of message-id) |
| 176 | * - part : part id to show (may be a content-id, xface or a mime-type for text) |
| 177 | * - first : first linear-index to show in spool view |
| 178 | * - action: like subscribe, cancel, new |
| 179 | * - all others params are allowed, but not parsed by the base implementation of banana |
| 180 | * |
| 181 | * smarty funciton : {url param1=... param2=...} |
| 182 | */ |
| 183 | public function makeUrl(array $params, &$smarty = null) |
| 184 | { |
| 185 | if (function_exists('hook_makeLink') |
| 186 | && $res = hook_makeLink($params)) { |
| 187 | return $res; |
| 188 | } |
| 189 | $proto = empty($_SERVER['HTTPS']) ? 'http://' : 'https://'; |
| 190 | $host = $_SERVER['HTTP_HOST']; |
| 191 | $file = $_SERVER['PHP_SELF']; |
| 192 | |
| 193 | if (count($params) != 0) { |
| 194 | $get = '?'; |
| 195 | foreach ($params as $key=>$value) { |
| 196 | if (strlen($get) != 1) { |
| 197 | $get .= '&'; |
| 198 | } |
| 199 | $get .= $key . '=' . $value; |
| 200 | } |
| 201 | } else { |
| 202 | $get = ''; |
| 203 | } |
| 204 | return $proto . $host . $file . $get; |
| 205 | } |
| 206 | |
| 207 | /** Build a link to a Banana page |
| 208 | * @param params ARRAY location datas |
| 209 | * @param smarty OBJECT Smarty instance associated (null if none) |
| 210 | * @return Link to the page associated with the given parameters |
| 211 | * |
| 212 | * Support all @ref makeURL parameters, but catch the following: |
| 213 | * - text : if set, defined the text of the link (if not set, the URL is used |
| 214 | * - popup : title of the link (showed as a tooltip on most browsers) |
| 215 | * - class : specific style class for the markup |
| 216 | * - accesskey: keyboard key to trigger the link |
| 217 | * None of this parameters is needed |
| 218 | * |
| 219 | * Smarty function : {link param1=... param2=...} |
| 220 | */ |
| 221 | public function makeLink(array $params, &$smarty = null) |
| 222 | { |
| 223 | $catch = array('text', 'popup', 'class', 'accesskey'); |
| 224 | foreach ($catch as $key) { |
| 225 | ${$key} = isset($params[$key]) ? $params[$key] : null; |
| 226 | unset($params[$key]); |
| 227 | } |
| 228 | $link = $this->makeUrl($params, &$smarty); |
| 229 | if (is_null($text)) { |
| 230 | $text = $link; |
| 231 | } |
| 232 | if (!is_null($accesskey)) { |
| 233 | $popup .= ' (raccourci : ' . $accesskey . ')'; |
| 234 | } |
| 235 | if (!is_null($popup)) { |
| 236 | $popup = ' title="' . banana_htmlentities($popup) . '"'; |
| 237 | } |
| 238 | if (!is_null($class)) { |
| 239 | $class = ' class="' . $class . '"'; |
| 240 | } |
| 241 | if (!is_null($accesskey)) { |
| 242 | $accesskey = ' accesskey="' . $accesskey . '"'; |
| 243 | } |
| 244 | return '<a href="' . banana_htmlentities($link) . '"' |
| 245 | . $popup . $class . $accesskey |
| 246 | . '>' . $text . '</a>'; |
| 247 | } |
| 248 | |
| 249 | /** Build a link to one of the banana built-in images |
| 250 | * @param params ARRAY image datas |
| 251 | * @param smarty OBJECT Smarty instance associated (null if none) |
| 252 | * @return Img tag |
| 253 | * |
| 254 | * Supported parameters are |
| 255 | * - img : name of the image (without its extension) |
| 256 | * - alt : alternative text |
| 257 | * - height and width : dimensions of the images |
| 258 | * img and alt are needed |
| 259 | * |
| 260 | * Smarty function: {img img=... alt=... [height=...] [width=...]} |
| 261 | */ |
| 262 | public function makeImg(array $params, &$smarty = null) |
| 263 | { |
| 264 | $catch = array('img', 'alt', 'height', 'width'); |
| 265 | foreach ($catch as $key) { |
| 266 | ${$key} = isset($params[$key]) ? $params[$key] : null; |
| 267 | } |
| 268 | $img .= ".gif"; |
| 269 | if (function_exists('hook_makeImg') |
| 270 | && $res = hook_makeImg($img, $alt, $height, $width)) { |
| 271 | return $res; |
| 272 | } |
| 273 | |
| 274 | if (!is_null($width)) { |
| 275 | $width = ' width="' . $width . '"'; |
| 276 | } |
| 277 | if (!is_null($height)) { |
| 278 | $height = ' height="' . $height . '"'; |
| 279 | } |
| 280 | |
| 281 | $proto = empty($_SERVER['HTTPS']) ? 'http://' : 'https://'; |
| 282 | $host = $_SERVER['HTTP_HOST']; |
| 283 | $file = dirname($_SERVER['PHP_SELF']) . '/img/' . $img; |
| 284 | $url = $proto . $host . $file; |
| 285 | |
| 286 | return '<img src="' . $url . '"' . $height . $width . ' alt="' . _b_($alt) . '" />'; |
| 287 | } |
| 288 | |
| 289 | /** Build a link with an image as text |
| 290 | * @param params ARRAY image and location data |
| 291 | * @param smarty OBJECT Smarty instance associated (null if none) |
| 292 | * @return an image within an link |
| 293 | * |
| 294 | * All @ref makeImg and @ref makeLink parameters are supported |
| 295 | * if text is set, the text will be appended after the image in the link |
| 296 | * |
| 297 | * Smarty function : {imglink img=... alt=... [param1=...]} |
| 298 | */ |
| 299 | public function makeImgLink(array $params, &$smarty = null) |
| 300 | { |
| 301 | $params['alt'] = _b_($params['alt']); |
| 302 | if (!isset($params['popup'])) { |
| 303 | $params['popup'] = $params['alt']; |
| 304 | } |
| 305 | $img = $this->makeImg($params, $smarty); |
| 306 | if (isset($params['text'])) { |
| 307 | $img .= ' ' . $params['text']; |
| 308 | } |
| 309 | $params['text'] = $img; |
| 310 | return $this->makeLink($params, $smarty); |
| 311 | } |
| 312 | |
| 313 | /** Redirect to the page with the given parameter |
| 314 | * @ref makeURL |
| 315 | */ |
| 316 | public function redirect(array $params = array()) |
| 317 | { |
| 318 | header('Location: ' . $this->makeUrl($params)); |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | // {{{ function banana_trimwhitespace |
| 323 | |
| 324 | function banana_trimwhitespace($source, &$smarty) |
| 325 | { |
| 326 | $tags = array('script', 'pre', 'textarea'); |
| 327 | |
| 328 | foreach ($tags as $tag) { |
| 329 | preg_match_all("!<{$tag}[^>]+>.*?</{$tag}>!is", $source, ${$tag}); |
| 330 | $source = preg_replace("!<{$tag}[^>]+>.*?</{$tag}>!is", "&&&{$tag}&&&", $source); |
| 331 | } |
| 332 | |
| 333 | // remove all leading spaces, tabs and carriage returns NOT |
| 334 | // preceeded by a php close tag. |
| 335 | $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source); |
| 336 | |
| 337 | foreach ($tags as $tag) { |
| 338 | $source = preg_replace("!&&&{$tag}&&&!e", 'array_shift(${$tag}[0])', $source); |
| 339 | } |
| 340 | |
| 341 | return $source; |
| 342 | } |
| 343 | |
| 344 | // }}} |
| 345 | |
| 346 | |
| 347 | // vim:set et sw=4 sts=4 ts=4 enc=utf-8: |
| 348 | ?> |