cake/libs/view/helper.php
| 1 | <?php |
|---|---|
| 2 | /** |
| 3 | * Backend for helpers. |
| 4 | * |
| 5 | * Internal methods for the Helpers. |
| 6 | * |
| 7 | * PHP versions 4 and 5 |
| 8 | * |
| 9 | * CakePHP(tm) : Rapid Development Framework (http://cakephp.org) |
| 10 | * Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org) |
| 11 | * |
| 12 | * Licensed under The MIT License |
| 13 | * Redistributions of files must retain the above copyright notice. |
| 14 | * |
| 15 | * @copyright Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org) |
| 16 | * @link http://cakephp.org CakePHP(tm) Project |
| 17 | * @package cake |
| 18 | * @subpackage cake.cake.libs.view |
| 19 | * @since CakePHP(tm) v 0.2.9 |
| 20 | * @license MIT License (http://www.opensource.org/licenses/mit-license.php) |
| 21 | */ |
| 22 | |
| 23 | /** |
| 24 | * Included libs |
| 25 | */ |
| 26 | App::import('Core', 'Overloadable'); |
| 27 | |
| 28 | /** |
| 29 | * Abstract base class for all other Helpers in CakePHP. |
| 30 | * Provides common methods and features. |
| 31 | * |
| 32 | * @package cake |
| 33 | * @subpackage cake.cake.libs.view |
| 34 | */ |
| 35 | class Helper extends Overloadable { |
| 36 | |
| 37 | /** |
| 38 | * List of helpers used by this helper |
| 39 | * |
| 40 | * @var array |
| 41 | */ |
| 42 | var $helpers = null; |
| 43 | |
| 44 | /** |
| 45 | * Base URL |
| 46 | * |
| 47 | * @var string |
| 48 | */ |
| 49 | var $base = null; |
| 50 | |
| 51 | /** |
| 52 | * Webroot path |
| 53 | * |
| 54 | * @var string |
| 55 | */ |
| 56 | var $webroot = null; |
| 57 | |
| 58 | /** |
| 59 | * The current theme name if any. |
| 60 | * |
| 61 | * @var string |
| 62 | */ |
| 63 | var $theme = null; |
| 64 | |
| 65 | /** |
| 66 | * URL to current action. |
| 67 | * |
| 68 | * @var string |
| 69 | */ |
| 70 | var $here = null; |
| 71 | |
| 72 | /** |
| 73 | * Parameter array. |
| 74 | * |
| 75 | * @var array |
| 76 | */ |
| 77 | var $params = array(); |
| 78 | |
| 79 | /** |
| 80 | * Current action. |
| 81 | * |
| 82 | * @var string |
| 83 | */ |
| 84 | var $action = null; |
| 85 | |
| 86 | /** |
| 87 | * Plugin path |
| 88 | * |
| 89 | * @var string |
| 90 | */ |
| 91 | var $plugin = null; |
| 92 | |
| 93 | /** |
| 94 | * POST data for models |
| 95 | * |
| 96 | * @var array |
| 97 | */ |
| 98 | var $data = null; |
| 99 | |
| 100 | /** |
| 101 | * List of named arguments |
| 102 | * |
| 103 | * @var array |
| 104 | */ |
| 105 | var $namedArgs = null; |
| 106 | |
| 107 | /** |
| 108 | * URL argument separator character |
| 109 | * |
| 110 | * @var string |
| 111 | */ |
| 112 | var $argSeparator = null; |
| 113 | |
| 114 | /** |
| 115 | * Contains model validation errors of form post-backs |
| 116 | * |
| 117 | * @access public |
| 118 | * @var array |
| 119 | */ |
| 120 | var $validationErrors = null; |
| 121 | |
| 122 | /** |
| 123 | * Holds tag templates. |
| 124 | * |
| 125 | * @access public |
| 126 | * @var array |
| 127 | */ |
| 128 | var $tags = array(); |
| 129 | |
| 130 | /** |
| 131 | * Holds the content to be cleaned. |
| 132 | * |
| 133 | * @access private |
| 134 | * @var mixed |
| 135 | */ |
| 136 | var $__tainted = null; |
| 137 | |
| 138 | /** |
| 139 | * Holds the cleaned content. |
| 140 | * |
| 141 | * @access private |
| 142 | * @var mixed |
| 143 | */ |
| 144 | var $__cleaned = null; |
| 145 | |
| 146 | /** |
| 147 | * Default overload methods |
| 148 | * |
| 149 | * @access protected |
| 150 | */ |
| 151 | function get__($name) {} |
| 152 | function set__($name, $value) {} |
| 153 | function call__($method, $params) { |
| 154 | trigger_error(sprintf(__('Method %1$s::%2$s does not exist', true), get_class($this), $method), E_USER_WARNING); |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Parses tag templates into $this->tags. |
| 159 | * |
| 160 | * @param $name file name inside app/config to load. |
| 161 | * @return array merged tags from config/$name.php |
| 162 | * @access public |
| 163 | */ |
| 164 | function loadConfig($name = 'tags') { |
| 165 | if (file_exists(CONFIGS . $name .'.php')) { |
| 166 | require(CONFIGS . $name .'.php'); |
| 167 | if (isset($tags)) { |
| 168 | $this->tags = array_merge($this->tags, $tags); |
| 169 | } |
| 170 | } |
| 171 | return $this->tags; |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * Finds URL for specified action. |
| 176 | * |
| 177 | * Returns a URL pointing at the provided parameters. |
| 178 | * |
| 179 | * @param mixed $url Either a relative string url like `/products/view/23` or |
| 180 | * an array of url parameters. Using an array for urls will allow you to leverage |
| 181 | * the reverse routing features of CakePHP. |
| 182 | * @param boolean $full If true, the full base URL will be prepended to the result |
| 183 | * @return string Full translated URL with base path. |
| 184 | * @access public |
| 185 | * @link http://book.cakephp.org/view/1448/url |
| 186 | */ |
| 187 | function url($url = null, $full = false) { |
| 188 | return h(Router::url($url, $full)); |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Checks if a file exists when theme is used, if no file is found default location is returned |
| 193 | * |
| 194 | * @param string $file The file to create a webroot path to. |
| 195 | * @return string Web accessible path to file. |
| 196 | * @access public |
| 197 | */ |
| 198 | function webroot($file) { |
| 199 | $asset = explode('?', $file); |
| 200 | $asset[1] = isset($asset[1]) ? '?' . $asset[1] : null; |
| 201 | $webPath = "{$this->webroot}" . $asset[0]; |
| 202 | $file = $asset[0]; |
| 203 | |
| 204 | if (!empty($this->theme)) { |
| 205 | $file = trim($file, '/'); |
| 206 | $theme = $this->theme . '/'; |
| 207 | |
| 208 | if (DS === '\\') { |
| 209 | $file = str_replace('/', '\\', $file); |
| 210 | } |
| 211 | |
| 212 | if (file_exists(Configure::read('App.www_root') . 'theme' . DS . $this->theme . DS . $file)) { |
| 213 | $webPath = "{$this->webroot}theme/" . $theme . $asset[0]; |
| 214 | } else { |
| 215 | $viewPaths = App::path('views'); |
| 216 | |
| 217 | foreach ($viewPaths as $viewPath) { |
| 218 | $path = $viewPath . 'themed'. DS . $this->theme . DS . 'webroot' . DS . $file; |
| 219 | |
| 220 | if (file_exists($path)) { |
| 221 | $webPath = "{$this->webroot}theme/" . $theme . $asset[0]; |
| 222 | break; |
| 223 | } |
| 224 | } |
| 225 | } |
| 226 | } |
| 227 | if (strpos($webPath, '//') !== false) { |
| 228 | return str_replace('//', '/', $webPath . $asset[1]); |
| 229 | } |
| 230 | return $webPath . $asset[1]; |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * Adds a timestamp to a file based resource based on the value of `Asset.timestamp` in |
| 235 | * Configure. If Asset.timestamp is true and debug > 0, or Asset.timestamp == 'force' |
| 236 | * a timestamp will be added. |
| 237 | * |
| 238 | * @param string $path The file path to timestamp, the path must be inside WWW_ROOT |
| 239 | * @return string Path with a timestamp added, or not. |
| 240 | * @access public |
| 241 | */ |
| 242 | function assetTimestamp($path) { |
| 243 | $timestampEnabled = ( |
| 244 | (Configure::read('Asset.timestamp') === true && Configure::read() > 0) || |
| 245 | Configure::read('Asset.timestamp') === 'force' |
| 246 | ); |
| 247 | if (strpos($path, '?') === false && $timestampEnabled) { |
| 248 | $filepath = preg_replace('/^' . preg_quote($this->webroot, '/') . '/', '', $path); |
| 249 | $webrootPath = WWW_ROOT . str_replace('/', DS, $filepath); |
| 250 | if (file_exists($webrootPath)) { |
| 251 | return $path . '?' . @filemtime($webrootPath); |
| 252 | } |
| 253 | $segments = explode('/', ltrim($filepath, '/')); |
| 254 | if ($segments[0] === 'theme') { |
| 255 | $theme = $segments[1]; |
| 256 | unset($segments[0], $segments[1]); |
| 257 | $themePath = App::themePath($theme) . 'webroot' . DS . implode(DS, $segments); |
| 258 | return $path . '?' . @filemtime($themePath); |
| 259 | } else { |
| 260 | $plugin = $segments[0]; |
| 261 | unset($segments[0]); |
| 262 | $pluginPath = App::pluginPath($plugin) . 'webroot' . DS . implode(DS, $segments); |
| 263 | return $path . '?' . @filemtime($pluginPath); |
| 264 | } |
| 265 | } |
| 266 | return $path; |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * Used to remove harmful tags from content. Removes a number of well known XSS attacks |
| 271 | * from content. However, is not guaranteed to remove all possiblities. Escaping |
| 272 | * content is the best way to prevent all possible attacks. |
| 273 | * |
| 274 | * @param mixed $output Either an array of strings to clean or a single string to clean. |
| 275 | * @return cleaned content for output |
| 276 | * @access public |
| 277 | */ |
| 278 | function clean($output) { |
| 279 | $this->__reset(); |
| 280 | if (empty($output)) { |
| 281 | return null; |
| 282 | } |
| 283 | if (is_array($output)) { |
| 284 | foreach ($output as $key => $value) { |
| 285 | $return[$key] = $this->clean($value); |
| 286 | } |
| 287 | return $return; |
| 288 | } |
| 289 | $this->__tainted = $output; |
| 290 | $this->__clean(); |
| 291 | return $this->__cleaned; |
| 292 | } |
| 293 | |
| 294 | /** |
| 295 | * Returns a space-delimited string with items of the $options array. If a |
| 296 | * key of $options array happens to be one of: |
| 297 | * |
| 298 | * - 'compact' |
| 299 | * - 'checked' |
| 300 | * - 'declare' |
| 301 | * - 'readonly' |
| 302 | * - 'disabled' |
| 303 | * - 'selected' |
| 304 | * - 'defer' |
| 305 | * - 'ismap' |
| 306 | * - 'nohref' |
| 307 | * - 'noshade' |
| 308 | * - 'nowrap' |
| 309 | * - 'multiple' |
| 310 | * - 'noresize' |
| 311 | * |
| 312 | * And its value is one of: |
| 313 | * |
| 314 | * - '1' (string) |
| 315 | * - 1 (integer) |
| 316 | * - true (boolean) |
| 317 | * - 'true' (string) |
| 318 | * |
| 319 | * Then the value will be reset to be identical with key's name. |
| 320 | * If the value is not one of these 3, the parameter is not output. |
| 321 | * |
| 322 | * 'escape' is a special option in that it controls the conversion of |
| 323 | * attributes to their html-entity encoded equivalents. Set to false to disable html-encoding. |
| 324 | * |
| 325 | * If value for any option key is set to `null` or `false`, that option will be excluded from output. |
| 326 | * |
| 327 | * @param array $options Array of options. |
| 328 | * @param array $exclude Array of options to be excluded, the options here will not be part of the return. |
| 329 | * @param string $insertBefore String to be inserted before options. |
| 330 | * @param string $insertAfter String to be inserted after options. |
| 331 | * @return string Composed attributes. |
| 332 | * @access public |
| 333 | */ |
| 334 | function _parseAttributes($options, $exclude = null, $insertBefore = ' ', $insertAfter = null) { |
| 335 | if (is_array($options)) { |
| 336 | $options = array_merge(array('escape' => true), $options); |
| 337 | |
| 338 | if (!is_array($exclude)) { |
| 339 | $exclude = array(); |
| 340 | } |
| 341 | $keys = array_diff(array_keys($options), array_merge($exclude, array('escape'))); |
| 342 | $values = array_intersect_key(array_values($options), $keys); |
| 343 | $escape = $options['escape']; |
| 344 | $attributes = array(); |
| 345 | |
| 346 | foreach ($keys as $index => $key) { |
| 347 | if ($values[$index] !== false && $values[$index] !== null) { |
| 348 | $attributes[] = $this->__formatAttribute($key, $values[$index], $escape); |
| 349 | } |
| 350 | } |
| 351 | $out = implode(' ', $attributes); |
| 352 | } else { |
| 353 | $out = $options; |
| 354 | } |
| 355 | return $out ? $insertBefore . $out . $insertAfter : ''; |
| 356 | } |
| 357 | |
| 358 | /** |
| 359 | * Formats an individual attribute, and returns the string value of the composed attribute. |
| 360 | * Works with minimized attributes that have the same value as their name such as 'disabled' and 'checked' |
| 361 | * |
| 362 | * @param string $key The name of the attribute to create |
| 363 | * @param string $value The value of the attribute to create. |
| 364 | * @return string The composed attribute. |
| 365 | * @access private |
| 366 | */ |
| 367 | function __formatAttribute($key, $value, $escape = true) { |
| 368 | $attribute = ''; |
| 369 | $attributeFormat = '%s="%s"'; |
| 370 | $minimizedAttributes = array('compact', 'checked', 'declare', 'readonly', 'disabled', |
| 371 | 'selected', 'defer', 'ismap', 'nohref', 'noshade', 'nowrap', 'multiple', 'noresize'); |
| 372 | if (is_array($value)) { |
| 373 | $value = ''; |
| 374 | } |
| 375 | |
| 376 | if (in_array($key, $minimizedAttributes)) { |
| 377 | if ($value === 1 || $value === true || $value === 'true' || $value === '1' || $value == $key) { |
| 378 | $attribute = sprintf($attributeFormat, $key, $key); |
| 379 | } |
| 380 | } else { |
| 381 | $attribute = sprintf($attributeFormat, $key, ($escape ? h($value) : $value)); |
| 382 | } |
| 383 | return $attribute; |
| 384 | } |
| 385 | |
| 386 | /** |
| 387 | * Sets this helper's model and field properties to the dot-separated value-pair in $entity. |
| 388 | * |
| 389 | * @param mixed $entity A field name, like "ModelName.fieldName" or "ModelName.ID.fieldName" |
| 390 | * @param boolean $setScope Sets the view scope to the model specified in $tagValue |
| 391 | * @return void |
| 392 | * @access public |
| 393 | */ |
| 394 | function setEntity($entity, $setScope = false) { |
| 395 | $view =& ClassRegistry::getObject('view'); |
| 396 | |
| 397 | if ($setScope) { |
| 398 | $view->modelScope = false; |
| 399 | } elseif (!empty($view->entityPath) && $view->entityPath == $entity) { |
| 400 | return; |
| 401 | } |
| 402 | |
| 403 | if ($entity === null) { |
| 404 | $view->model = null; |
| 405 | $view->association = null; |
| 406 | $view->modelId = null; |
| 407 | $view->modelScope = false; |
| 408 | $view->entityPath = null; |
| 409 | return; |
| 410 | } |
| 411 | |
| 412 | $view->entityPath = $entity; |
| 413 | $model = $view->model; |
| 414 | $sameScope = $hasField = false; |
| 415 | $parts = array_values(Set::filter(explode('.', $entity), true)); |
| 416 | |
| 417 | if (empty($parts)) { |
| 418 | return; |
| 419 | } |
| 420 | |
| 421 | $count = count($parts); |
| 422 | if ($count === 1) { |
| 423 | $sameScope = true; |
| 424 | } else { |
| 425 | if (is_numeric($parts[0])) { |
| 426 | $sameScope = true; |
| 427 | } |
| 428 | $reverse = array_reverse($parts); |
| 429 | $field = array_shift($reverse); |
| 430 | while(!empty($reverse)) { |
| 431 | $subject = array_shift($reverse); |
| 432 | if (is_numeric($subject)) { |
| 433 | continue; |
| 434 | } |
| 435 | if (ClassRegistry::isKeySet($subject)) { |
| 436 | $model = $subject; |
| 437 | break; |
| 438 | } |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | if (ClassRegistry::isKeySet($model)) { |
| 443 | $ModelObj =& ClassRegistry::getObject($model); |
| 444 | for ($i = 0; $i < $count; $i++) { |
| 445 | if ( |
| 446 | is_a($ModelObj, 'Model') && |
| 447 | ($ModelObj->hasField($parts[$i]) || |
| 448 | array_key_exists($parts[$i], $ModelObj->validate)) |
| 449 | ) { |
| 450 | $hasField = $i; |
| 451 | if ($hasField === 0 || ($hasField === 1 && is_numeric($parts[0]))) { |
| 452 | $sameScope = true; |
| 453 | } |
| 454 | break; |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | if ($sameScope === true && in_array($parts[0], array_keys($ModelObj->hasAndBelongsToMany))) { |
| 459 | $sameScope = false; |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | if (!$view->association && $parts[0] == $view->field && $view->field != $view->model) { |
| 464 | array_unshift($parts, $model); |
| 465 | $hasField = true; |
| 466 | } |
| 467 | $view->field = $view->modelId = $view->fieldSuffix = $view->association = null; |
| 468 | |
| 469 | switch (count($parts)) { |
| 470 | case 1: |
| 471 | if ($view->modelScope === false) { |
| 472 | $view->model = $parts[0]; |
| 473 | } else { |
| 474 | $view->field = $parts[0]; |
| 475 | if ($sameScope === false) { |
| 476 | $view->association = $parts[0]; |
| 477 | } |
| 478 | } |
| 479 | break; |
| 480 | case 2: |
| 481 | if ($view->modelScope === false) { |
| 482 | list($view->model, $view->field) = $parts; |
| 483 | } elseif ($sameScope === true && $hasField === 0) { |
| 484 | list($view->field, $view->fieldSuffix) = $parts; |
| 485 | } elseif ($sameScope === true && $hasField === 1) { |
| 486 | list($view->modelId, $view->field) = $parts; |
| 487 | } else { |
| 488 | list($view->association, $view->field) = $parts; |
| 489 | } |
| 490 | break; |
| 491 | case 3: |
| 492 | if ($sameScope === true && $hasField === 1) { |
| 493 | list($view->modelId, $view->field, $view->fieldSuffix) = $parts; |
| 494 | } elseif ($hasField === 2) { |
| 495 | list($view->association, $view->modelId, $view->field) = $parts; |
| 496 | } else { |
| 497 | list($view->association, $view->field, $view->fieldSuffix) = $parts; |
| 498 | } |
| 499 | break; |
| 500 | case 4: |
| 501 | if ($parts[0] === $view->model) { |
| 502 | list($view->model, $view->modelId, $view->field, $view->fieldSuffix) = $parts; |
| 503 | } else { |
| 504 | list($view->association, $view->modelId, $view->field, $view->fieldSuffix) = $parts; |
| 505 | } |
| 506 | break; |
| 507 | default: |
| 508 | $reverse = array_reverse($parts); |
| 509 | |
| 510 | if ($hasField) { |
| 511 | $view->field = $field; |
| 512 | if (!is_numeric($reverse[1]) && $reverse[1] != $model) { |
| 513 | $view->field = $reverse[1]; |
| 514 | $view->fieldSuffix = $field; |
| 515 | } |
| 516 | } |
| 517 | if (is_numeric($parts[0])) { |
| 518 | $view->modelId = $parts[0]; |
| 519 | } elseif ($view->model == $parts[0] && is_numeric($parts[1])) { |
| 520 | $view->modelId = $parts[1]; |
| 521 | } |
| 522 | $view->association = $model; |
| 523 | break; |
| 524 | } |
| 525 | |
| 526 | if (!isset($view->model) || empty($view->model)) { |
| 527 | $view->model = $view->association; |
| 528 | $view->association = null; |
| 529 | } elseif ($view->model === $view->association) { |
| 530 | $view->association = null; |
| 531 | } |
| 532 | |
| 533 | if ($setScope) { |
| 534 | $view->modelScope = true; |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | /** |
| 539 | * Gets the currently-used model of the rendering context. |
| 540 | * |
| 541 | * @return string |
| 542 | * @access public |
| 543 | */ |
| 544 | function model() { |
| 545 | $view =& ClassRegistry::getObject('view'); |
| 546 | if (!empty($view->association)) { |
| 547 | return $view->association; |
| 548 | } else { |
| 549 | return $view->model; |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | /** |
| 554 | * Gets the ID of the currently-used model of the rendering context. |
| 555 | * |
| 556 | * @return mixed |
| 557 | * @access public |
| 558 | */ |
| 559 | function modelID() { |
| 560 | $view =& ClassRegistry::getObject('view'); |
| 561 | return $view->modelId; |
| 562 | } |
| 563 | |
| 564 | /** |
| 565 | * Gets the currently-used model field of the rendering context. |
| 566 | * |
| 567 | * @return string |
| 568 | * @access public |
| 569 | */ |
| 570 | function field() { |
| 571 | $view =& ClassRegistry::getObject('view'); |
| 572 | return $view->field; |
| 573 | } |
| 574 | |
| 575 | /** |
| 576 | * Returns false if given FORM field has no errors. Otherwise it returns the constant set in |
| 577 | * the array Model->validationErrors. |
| 578 | * |
| 579 | * @param string $model Model name as a string |
| 580 | * @param string $field Fieldname as a string |
| 581 | * @param integer $modelID Unique index identifying this record within the form |
| 582 | * @return boolean True on errors. |
| 583 | */ |
| 584 | function tagIsInvalid($model = null, $field = null, $modelID = null) { |
| 585 | $view =& ClassRegistry::getObject('view'); |
| 586 | $errors = $this->validationErrors; |
| 587 | $entity = $view->entity(); |
| 588 | if (!empty($entity)) { |
| 589 | return Set::extract($errors, join('.', $entity)); |
| 590 | } |
| 591 | } |
| 592 | |
| 593 | /** |
| 594 | * Generates a DOM ID for the selected element, if one is not set. |
| 595 | * Uses the current View::entity() settings to generate a CamelCased id attribute. |
| 596 | * |
| 597 | * @param mixed $options Either an array of html attributes to add $id into, or a string |
| 598 | * with a view entity path to get a domId for. |
| 599 | * @param string $id The name of the 'id' attribute. |
| 600 | * @return mixed If $options was an array, an array will be returned with $id set. If a string |
| 601 | * was supplied, a string will be returned. |
| 602 | * @todo Refactor this method to not have as many input/output options. |
| 603 | */ |
| 604 | function domId($options = null, $id = 'id') { |
| 605 | $view =& ClassRegistry::getObject('view'); |
| 606 | |
| 607 | if (is_array($options) && array_key_exists($id, $options) && $options[$id] === null) { |
| 608 | unset($options[$id]); |
| 609 | return $options; |
| 610 | } elseif (!is_array($options) && $options !== null) { |
| 611 | $this->setEntity($options); |
| 612 | return $this->domId(); |
| 613 | } |
| 614 | |
| 615 | $entity = $view->entity(); |
| 616 | $model = array_shift($entity); |
| 617 | $dom = $model . join('', array_map(array('Inflector', 'camelize'), $entity)); |
| 618 | |
| 619 | if (is_array($options) && !array_key_exists($id, $options)) { |
| 620 | $options[$id] = $dom; |
| 621 | } elseif ($options === null) { |
| 622 | return $dom; |
| 623 | } |
| 624 | return $options; |
| 625 | } |
| 626 | |
| 627 | /** |
| 628 | * Gets the input field name for the current tag. Creates input name attributes |
| 629 | * using CakePHP's data[Model][field] formatting. |
| 630 | * |
| 631 | * @param mixed $options If an array, should be an array of attributes that $key needs to be added to. |
| 632 | * If a string or null, will be used as the View entity. |
| 633 | * @param string $field |
| 634 | * @param string $key The name of the attribute to be set, defaults to 'name' |
| 635 | * @return mixed If an array was given for $options, an array with $key set will be returned. |
| 636 | * If a string was supplied a string will be returned. |
| 637 | * @access protected |
| 638 | * @todo Refactor this method to not have as many input/output options. |
| 639 | */ |
| 640 | function _name($options = array(), $field = null, $key = 'name') { |
| 641 | $view =& ClassRegistry::getObject('view'); |
| 642 | if ($options === null) { |
| 643 | $options = array(); |
| 644 | } elseif (is_string($options)) { |
| 645 | $field = $options; |
| 646 | $options = 0; |
| 647 | } |
| 648 | |
| 649 | if (!empty($field)) { |
| 650 | $this->setEntity($field); |
| 651 | } |
| 652 | |
| 653 | if (is_array($options) && array_key_exists($key, $options)) { |
| 654 | return $options; |
| 655 | } |
| 656 | |
| 657 | switch ($field) { |
| 658 | case '_method': |
| 659 | $name = $field; |
| 660 | break; |
| 661 | default: |
| 662 | $name = 'data[' . implode('][', $view->entity()) . ']'; |
| 663 | break; |
| 664 | } |
| 665 | |
| 666 | if (is_array($options)) { |
| 667 | $options[$key] = $name; |
| 668 | return $options; |
| 669 | } else { |
| 670 | return $name; |
| 671 | } |
| 672 | } |
| 673 | |
| 674 | /** |
| 675 | * Gets the data for the current tag |
| 676 | * |
| 677 | * @param mixed $options If an array, should be an array of attributes that $key needs to be added to. |
| 678 | * If a string or null, will be used as the View entity. |
| 679 | * @param string $field |
| 680 | * @param string $key The name of the attribute to be set, defaults to 'value' |
| 681 | * @return mixed If an array was given for $options, an array with $key set will be returned. |
| 682 | * If a string was supplied a string will be returned. |
| 683 | * @access public |
| 684 | * @todo Refactor this method to not have as many input/output options. |
| 685 | */ |
| 686 | function value($options = array(), $field = null, $key = 'value') { |
| 687 | if ($options === null) { |
| 688 | $options = array(); |
| 689 | } elseif (is_string($options)) { |
| 690 | $field = $options; |
| 691 | $options = 0; |
| 692 | } |
| 693 | |
| 694 | if (is_array($options) && isset($options[$key])) { |
| 695 | return $options; |
| 696 | } |
| 697 | |
| 698 | if (!empty($field)) { |
| 699 | $this->setEntity($field); |
| 700 | } |
| 701 | |
| 702 | $view =& ClassRegistry::getObject('view'); |
| 703 | $result = null; |
| 704 | |
| 705 | $entity = $view->entity(); |
| 706 | if (!empty($this->data) && !empty($entity)) { |
| 707 | $result = Set::extract($this->data, join('.', $entity)); |
| 708 | } |
| 709 | |
| 710 | $habtmKey = $this->field(); |
| 711 | if (empty($result) && isset($this->data[$habtmKey][$habtmKey]) && is_array($this->data[$habtmKey])) { |
| 712 | $result = $this->data[$habtmKey][$habtmKey]; |
| 713 | } elseif (empty($result) && isset($this->data[$habtmKey]) && is_array($this->data[$habtmKey])) { |
| 714 | if (ClassRegistry::isKeySet($habtmKey)) { |
| 715 | $model =& ClassRegistry::getObject($habtmKey); |
| 716 | $result = $this->__selectedArray($this->data[$habtmKey], $model->primaryKey); |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | if (is_array($result)) { |
| 721 | if (array_key_exists($view->fieldSuffix, $result)) { |
| 722 | $result = $result[$view->fieldSuffix]; |
| 723 | } |
| 724 | } |
| 725 | |
| 726 | if (is_array($options)) { |
| 727 | if ($result === null && isset($options['default'])) { |
| 728 | $result = $options['default']; |
| 729 | } |
| 730 | unset($options['default']); |
| 731 | } |
| 732 | |
| 733 | if (is_array($options)) { |
| 734 | $options[$key] = $result; |
| 735 | return $options; |
| 736 | } else { |
| 737 | return $result; |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | /** |
| 742 | * Sets the defaults for an input tag. Will set the |
| 743 | * name, value, and id attributes for an array of html attributes. Will also |
| 744 | * add a 'form-error' class if the field contains validation errors. |
| 745 | * |
| 746 | * @param string $field The field name to initialize. |
| 747 | * @param array $options Array of options to use while initializing an input field. |
| 748 | * @return array Array options for the form input. |
| 749 | * @access protected |
| 750 | */ |
| 751 | function _initInputField($field, $options = array()) { |
| 752 | if ($field !== null) { |
| 753 | $this->setEntity($field); |
| 754 | } |
| 755 | $options = (array)$options; |
| 756 | $options = $this->_name($options); |
| 757 | $options = $this->value($options); |
| 758 | $options = $this->domId($options); |
| 759 | if ($this->tagIsInvalid()) { |
| 760 | $options = $this->addClass($options, 'form-error'); |
| 761 | } |
| 762 | return $options; |
| 763 | } |
| 764 | |
| 765 | /** |
| 766 | * Adds the given class to the element options |
| 767 | * |
| 768 | * @param array $options Array options/attributes to add a class to |
| 769 | * @param string $class The classname being added. |
| 770 | * @param string $key the key to use for class. |
| 771 | * @return array Array of options with $key set. |
| 772 | * @access public |
| 773 | */ |
| 774 | function addClass($options = array(), $class = null, $key = 'class') { |
| 775 | if (isset($options[$key]) && trim($options[$key]) != '') { |
| 776 | $options[$key] .= ' ' . $class; |
| 777 | } else { |
| 778 | $options[$key] = $class; |
| 779 | } |
| 780 | return $options; |
| 781 | } |
| 782 | |
| 783 | /** |
| 784 | * Returns a string generated by a helper method |
| 785 | * |
| 786 | * This method can be overridden in subclasses to do generalized output post-processing |
| 787 | * |
| 788 | * @param string $str String to be output. |
| 789 | * @return string |
| 790 | * @deprecated This method will be removed in future versions. |
| 791 | */ |
| 792 | function output($str) { |
| 793 | return $str; |
| 794 | } |
| 795 | |
| 796 | /** |
| 797 | * Before render callback. beforeRender is called before the view file is rendered. |
| 798 | * |
| 799 | * Overridden in subclasses. |
| 800 | * |
| 801 | * @return void |
| 802 | * @access public |
| 803 | */ |
| 804 | function beforeRender() { |
| 805 | } |
| 806 | |
| 807 | /** |
| 808 | * After render callback. afterRender is called after the view file is rendered |
| 809 | * but before the layout has been rendered. |
| 810 | * |
| 811 | * Overridden in subclasses. |
| 812 | * |
| 813 | * @return void |
| 814 | * @access public |
| 815 | */ |
| 816 | function afterRender() { |
| 817 | } |
| 818 | |
| 819 | /** |
| 820 | * Before layout callback. beforeLayout is called before the layout is rendered. |
| 821 | * |
| 822 | * Overridden in subclasses. |
| 823 | * |
| 824 | * @return void |
| 825 | * @access public |
| 826 | */ |
| 827 | function beforeLayout() { |
| 828 | } |
| 829 | |
| 830 | /** |
| 831 | * After layout callback. afterLayout is called after the layout has rendered. |
| 832 | * |
| 833 | * Overridden in subclasses. |
| 834 | * |
| 835 | * @return void |
| 836 | * @access public |
| 837 | */ |
| 838 | function afterLayout() { |
| 839 | } |
| 840 | |
| 841 | /** |
| 842 | * Transforms a recordset from a hasAndBelongsToMany association to a list of selected |
| 843 | * options for a multiple select element |
| 844 | * |
| 845 | * @param mixed $data |
| 846 | * @param string $key |
| 847 | * @return array |
| 848 | * @access private |
| 849 | */ |
| 850 | function __selectedArray($data, $key = 'id') { |
| 851 | if (!is_array($data)) { |
| 852 | $model = $data; |
| 853 | if (!empty($this->data[$model][$model])) { |
| 854 | return $this->data[$model][$model]; |
| 855 | } |
| 856 | if (!empty($this->data[$model])) { |
| 857 | $data = $this->data[$model]; |
| 858 | } |
| 859 | } |
| 860 | $array = array(); |
| 861 | if (!empty($data)) { |
| 862 | foreach ($data as $var) { |
| 863 | $array[$var[$key]] = $var[$key]; |
| 864 | } |
| 865 | } |
| 866 | return $array; |
| 867 | } |
| 868 | |
| 869 | /** |
| 870 | * Resets the vars used by Helper::clean() to null |
| 871 | * |
| 872 | * @return void |
| 873 | * @access private |
| 874 | */ |
| 875 | function __reset() { |
| 876 | $this->__tainted = null; |
| 877 | $this->__cleaned = null; |
| 878 | } |
| 879 | |
| 880 | /** |
| 881 | * Removes harmful content from output |
| 882 | * |
| 883 | * @return void |
| 884 | * @access private |
| 885 | */ |
| 886 | function __clean() { |
| 887 | if (get_magic_quotes_gpc()) { |
| 888 | $this->__cleaned = stripslashes($this->__tainted); |
| 889 | } else { |
| 890 | $this->__cleaned = $this->__tainted; |
| 891 | } |
| 892 | |
| 893 | $this->__cleaned = str_replace(array("&", "<", ">"), array("&amp;", "&lt;", "&gt;"), $this->__cleaned); |
| 894 | $this->__cleaned = preg_replace('#(&\#*\w+)[\x00-\x20]+;#u', "$1;", $this->__cleaned); |
| 895 | $this->__cleaned = preg_replace('#(&\#x*)([0-9A-F]+);*#iu', "$1$2;", $this->__cleaned); |
| 896 | $this->__cleaned = html_entity_decode($this->__cleaned, ENT_COMPAT, "UTF-8"); |
| 897 | $this->__cleaned = preg_replace('#(<[^>]+[\x00-\x20\"\'\/])(on|xmlns)[^>]*>#iUu', "$1>", $this->__cleaned); |
| 898 | $this->__cleaned = preg_replace('#([a-z]*)[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*)[\\x00-\x20]*j[\x00-\x20]*a[\x00-\x20]*v[\x00-\x20]*a[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#iUu', '$1=$2nojavascript...', $this->__cleaned); |
| 899 | $this->__cleaned = preg_replace('#([a-z]*)[\x00-\x20]*=([\'\"]*)[\x00-\x20]*v[\x00-\x20]*b[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#iUu', '$1=$2novbscript...', $this->__cleaned); |
| 900 | $this->__cleaned = preg_replace('#([a-z]*)[\x00-\x20]*=*([\'\"]*)[\x00-\x20]*-moz-binding[\x00-\x20]*:#iUu','$1=$2nomozbinding...', $this->__cleaned); |
| 901 | $this->__cleaned = preg_replace('#([a-z]*)[\x00-\x20]*=([\'\"]*)[\x00-\x20]*data[\x00-\x20]*:#Uu', '$1=$2nodata...', $this->__cleaned); |
| 902 | $this->__cleaned = preg_replace('#(<[^>]+)style[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*).*expression[\x00-\x20]*\([^>]*>#iU', "$1>", $this->__cleaned); |
| 903 | $this->__cleaned = preg_replace('#(<[^>]+)style[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*).*behaviour[\x00-\x20]*\([^>]*>#iU', "$1>", $this->__cleaned); |
| 904 | $this->__cleaned = preg_replace('#(<[^>]+)style[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*).*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:*[^>]*>#iUu', "$1>", $this->__cleaned); |
| 905 | $this->__cleaned = preg_replace('#</*\w+:\w[^>]*>#i', "", $this->__cleaned); |
| 906 | do { |
| 907 | $oldstring = $this->__cleaned; |
| 908 | $this->__cleaned = preg_replace('#</*(applet|meta|xml|blink|link|style|script|embed|object|iframe|frame|frameset|ilayer|layer|bgsound|title|base)[^>]*>#i', "", $this->__cleaned); |
| 909 | } while ($oldstring != $this->__cleaned); |
| 910 | $this->__cleaned = str_replace(array("&", "<", ">"), array("&amp;", "&lt;", "&gt;"), $this->__cleaned); |
| 911 | } |
| 912 | } |
| 913 | |
| 914 |