| 1 |
<?php |
| 2 |
defined('WPINC') OR exit; |
| 3 |
|
| 4 |
DG_Gallery::init(); |
| 5 |
|
| 6 |
/** |
| 7 |
* Holds data specific to a given document gallery. |
| 8 |
* |
| 9 |
* @author drossiter |
| 10 |
*/ |
| 11 |
class DG_Gallery { |
| 12 |
|
| 13 |
/*========================================================================== |
| 14 |
* PRIVATE FIELDS |
| 15 |
*=========================================================================*/ |
| 16 |
|
| 17 |
private $atts, $taxa; |
| 18 |
private $docs = array(); |
| 19 |
private $errs = array(); |
| 20 |
|
| 21 |
// templates for HTML output |
| 22 |
private static $no_docs = false; |
| 23 |
private static $icon_wrapper = false; |
| 24 |
private static $comment = false; |
| 25 |
|
| 26 |
private static $binary_err = false; |
| 27 |
|
| 28 |
/*========================================================================== |
| 29 |
* PUBLIC FUNCTIONS |
| 30 |
*=========================================================================*/ |
| 31 |
|
| 32 |
/** |
| 33 |
* Returns whether to link to attachment pg. |
| 34 |
* @return bool |
| 35 |
*/ |
| 36 |
public function linkToAttachmentPg() { |
| 37 |
return $this->atts['attachment_pg']; |
| 38 |
} |
| 39 |
|
| 40 |
public function useFancyThumbs() { |
| 41 |
return $this->atts['fancy']; |
| 42 |
} |
| 43 |
|
| 44 |
/** |
| 45 |
* Returns whether descriptions should be included in output. |
| 46 |
* @return bool |
| 47 |
*/ |
| 48 |
public function useDescriptions() { |
| 49 |
return $this->atts['descriptions']; |
| 50 |
} |
| 51 |
|
| 52 |
/*========================================================================== |
| 53 |
* GET AND SET OPTIONS |
| 54 |
*=========================================================================*/ |
| 55 |
|
| 56 |
/** |
| 57 |
* Gets the DG options specific to Gallery. |
| 58 |
* @return array |
| 59 |
*/ |
| 60 |
public static function getOptions() { |
| 61 |
global $dg_options; |
| 62 |
return $dg_options['gallery']; |
| 63 |
} |
| 64 |
|
| 65 |
/** |
| 66 |
* Sets the DG options specific to Gallery. |
| 67 |
* @param array $options |
| 68 |
*/ |
| 69 |
public static function setOptions($options) { |
| 70 |
global $dg_options; |
| 71 |
$dg_options['gallery'] = $options; |
| 72 |
update_option(DG_OPTION_NAME, $dg_options); |
| 73 |
} |
| 74 |
|
| 75 |
public static function getDefaults() { |
| 76 |
$options = self::getOptions(); |
| 77 |
return $options['defaults']; |
| 78 |
} |
| 79 |
|
| 80 |
public static function setDefaults($defaults) { |
| 81 |
$options = self::getOptions(); |
| 82 |
$options['defaults'] = $defaults; |
| 83 |
self::setOptions($options); |
| 84 |
} |
| 85 |
|
| 86 |
/*========================================================================== |
| 87 |
* INIT GALLERY |
| 88 |
*=========================================================================*/ |
| 89 |
|
| 90 |
public static function init() { |
| 91 |
self::$comment = |
| 92 |
PHP_EOL . '<!-- ' . __('Generated using Document Gallery. Get yours here: ', 'document-gallery') . |
| 93 |
'http://wordpress.org/extend/plugins/document-gallery -->' . PHP_EOL; |
| 94 |
self::$icon_wrapper = '<div class="%s">'. PHP_EOL . '%s</div>' . PHP_EOL; |
| 95 |
self::$no_docs = '<!-- ' . __('No attachments to display. How boring! :(', 'document-gallery') . ' -->'; |
| 96 |
self::$binary_err = __('The %s parameter may only be "%s" or "%s." You entered "%s."', 'document-gallery'); |
| 97 |
} |
| 98 |
|
| 99 |
/** |
| 100 |
* Builds a gallery object with attributes passed. |
| 101 |
* @param array $atts Array of attributes used in shortcode. |
| 102 |
*/ |
| 103 |
public function __construct($atts) { |
| 104 |
// empty string is passed when no arguments are given, but constructor expects an array |
| 105 |
$atts = empty($atts) ? array() : $atts; |
| 106 |
$defaults = self::getDefaults(); |
| 107 |
|
| 108 |
// values used to construct tax query (may be empty) |
| 109 |
$this->taxa = array_diff_key($atts, $defaults); |
| 110 |
|
| 111 |
// all recognized attributes go here |
| 112 |
$this->atts = shortcode_atts($defaults, $atts); |
| 113 |
|
| 114 |
// goes through all values in $this->atts, setting $this->errs as needed |
| 115 |
$this->atts = self::sanitizeDefaults($this->atts, $this->errs); |
| 116 |
|
| 117 |
// query DB for all documents requested |
| 118 |
include_once DG_PATH . 'inc/class-document.php'; |
| 119 |
try { |
| 120 |
$docs = $this->getDocuments(); |
| 121 |
|
| 122 |
foreach($docs as $doc) { |
| 123 |
$this->docs[] = new DG_Document($doc, $this); |
| 124 |
} |
| 125 |
} catch(InvalidArgumentException $e) { |
| 126 |
// errors will be printed in __toString() |
| 127 |
} |
| 128 |
} |
| 129 |
|
| 130 |
/** |
| 131 |
* Cleans up user input, making sure we don't pass crap on to WP core. |
| 132 |
* @global string $wp_version |
| 133 |
*/ |
| 134 |
public static function sanitizeDefaults($defaults, &$errs) { |
| 135 |
$old_defaults = self::getDefaults(); |
| 136 |
|
| 137 |
// remove invalid keys |
| 138 |
$defaults = array_intersect_key($defaults, $old_defaults); |
| 139 |
|
| 140 |
// add any missing keys |
| 141 |
foreach ($old_defaults as $k => $v) { |
| 142 |
if (!isset($defaults[$k])) { |
| 143 |
if (is_bool($v)) { |
| 144 |
// checkbox |
| 145 |
$defaults[$k] = false; |
| 146 |
} else { |
| 147 |
// missing value |
| 148 |
$defaults[$k] = $v; |
| 149 |
} |
| 150 |
} |
| 151 |
} |
| 152 |
|
| 153 |
$defaults['attachment_pg'] = self::sanitizeAttachmentPg($defaults['attachment_pg'], $err); |
| 154 |
if (isset($err)) { |
| 155 |
$errs['attachment_pg'] = $err; |
| 156 |
unset($err); |
| 157 |
} |
| 158 |
|
| 159 |
$defaults['descriptions'] = self::sanitizeDescriptions($defaults['descriptions'], $err); |
| 160 |
if (isset($err)) { |
| 161 |
$errs['descriptions'] = $err; |
| 162 |
unset($err); |
| 163 |
} |
| 164 |
|
| 165 |
$defaults['fancy'] = self::sanitizeFancy($defaults['fancy'], $err); |
| 166 |
if (isset($err)) { |
| 167 |
$errs['fancy'] = $err; |
| 168 |
unset($err); |
| 169 |
} |
| 170 |
|
| 171 |
$defaults['ids'] = self::sanitizeIds($defaults['ids'], $err); |
| 172 |
if (isset($err)) { |
| 173 |
$errs['ids'] = $err; |
| 174 |
unset($err); |
| 175 |
} |
| 176 |
|
| 177 |
$defaults['images'] = self::sanitizeImages($defaults['images'], $err); |
| 178 |
if (isset($err)) { |
| 179 |
$errs['images'] = $err; |
| 180 |
unset($err); |
| 181 |
} |
| 182 |
|
| 183 |
$defaults['localpost'] = self::sanitizeLocalpost($defaults['localpost'], $err); |
| 184 |
if (isset($err)) { |
| 185 |
$errs['localpost'] = $err; |
| 186 |
unset($err); |
| 187 |
} |
| 188 |
|
| 189 |
$defaults['order'] = self::sanitizeOrder($defaults['order'], $err); |
| 190 |
if (isset($err)) { |
| 191 |
$errs['order'] = $err; |
| 192 |
unset($err); |
| 193 |
} |
| 194 |
|
| 195 |
$defaults['orderby'] = self::sanitizeOrderby($defaults['orderby'], $err); |
| 196 |
if (isset($err)) { |
| 197 |
$errs['orderby'] = $err; |
| 198 |
unset($err); |
| 199 |
} |
| 200 |
|
| 201 |
$defaults['relation'] = self::sanitizeRelation($defaults['relation'], $err); |
| 202 |
if (isset($err)) { |
| 203 |
$errs['relation'] = $err; |
| 204 |
unset($err); |
| 205 |
} |
| 206 |
|
| 207 |
return $defaults; |
| 208 |
} |
| 209 |
|
| 210 |
private static function sanitizeAttachmentPg($value, &$err) { |
| 211 |
$defaults = self::getDefaults(); |
| 212 |
$ret = $defaults['attachment_pg']; |
| 213 |
|
| 214 |
$attachment_pg = self::toBool($value); |
| 215 |
|
| 216 |
if(is_null($attachment_pg)) { |
| 217 |
$err = sprintf(self::$binary_err, 'attachment_pg', 'true', 'false', $value); |
| 218 |
} else { |
| 219 |
$ret = $attachment_pg; |
| 220 |
} |
| 221 |
|
| 222 |
return $ret; |
| 223 |
} |
| 224 |
|
| 225 |
private static function sanitizeDescriptions($value, &$err) { |
| 226 |
$defaults = self::getDefaults(); |
| 227 |
$ret = $defaults['descriptions']; |
| 228 |
|
| 229 |
$descriptions = self::toBool($value); |
| 230 |
|
| 231 |
if(is_null($descriptions)) { |
| 232 |
$err = sprintf(self::$binary_err, 'descriptions', 'true', 'false', $value); |
| 233 |
} else { |
| 234 |
$ret = $descriptions; |
| 235 |
} |
| 236 |
|
| 237 |
return $ret; |
| 238 |
} |
| 239 |
|
| 240 |
private static function sanitizeFancy($value, &$err) { |
| 241 |
$defaults = self::getDefaults(); |
| 242 |
$ret = $defaults['fancy']; |
| 243 |
|
| 244 |
$fancy = self::toBool($value); |
| 245 |
|
| 246 |
if(is_null($fancy)) { |
| 247 |
$err = sprintf(self::$binary_err, 'fancy', 'true', 'false', $value); |
| 248 |
} else { |
| 249 |
$ret = $fancy; |
| 250 |
} |
| 251 |
|
| 252 |
return $ret; |
| 253 |
} |
| 254 |
|
| 255 |
private static function sanitizeIds($value, &$err) { |
| 256 |
$defaults = self::getDefaults(); |
| 257 |
$ret = $defaults['ids']; |
| 258 |
|
| 259 |
if(false === self::toBool($value)) { |
| 260 |
$ret = false; |
| 261 |
} else { |
| 262 |
$value = trim($value); |
| 263 |
$ids = $value ? explode(',', $value) : array(); |
| 264 |
$bad = array_filter($ids, array(__CLASS__, 'negativeInt')); |
| 265 |
|
| 266 |
if(!empty($bad)) { |
| 267 |
$err = _n('The following ID is invalid: ', |
| 268 |
'The following IDs are invalid: ', |
| 269 |
count($bad), 'document-gallery') . implode(', ', $bad); |
| 270 |
} else { |
| 271 |
$ret = $ids; |
| 272 |
} |
| 273 |
} |
| 274 |
|
| 275 |
return $ret; |
| 276 |
} |
| 277 |
|
| 278 |
private static function sanitizeImages($value, &$err) { |
| 279 |
$defaults = self::getDefaults(); |
| 280 |
$ret = $defaults['images']; |
| 281 |
|
| 282 |
$images = self::toBool($value); |
| 283 |
|
| 284 |
if(is_null($images)) { |
| 285 |
$err = sprintf(self::$binary_err, 'images', 'true', 'false', $value); |
| 286 |
} else { |
| 287 |
$ret = $images; |
| 288 |
} |
| 289 |
|
| 290 |
return $ret; |
| 291 |
} |
| 292 |
|
| 293 |
private static function sanitizeLocalpost($value, &$err) { |
| 294 |
$defaults = self::getDefaults(); |
| 295 |
$ret = $defaults['localpost']; |
| 296 |
|
| 297 |
$localpost = self::toBool($value); |
| 298 |
|
| 299 |
if(is_null($localpost)) { |
| 300 |
$err = sprintf(self::$binary_err, 'localpost', 'true', 'false', $value); |
| 301 |
} else { |
| 302 |
$ret = $localpost; |
| 303 |
} |
| 304 |
|
| 305 |
return $ret; |
| 306 |
} |
| 307 |
|
| 308 |
private static function sanitizeOrder($value, &$err) { |
| 309 |
$defaults = self::getDefaults(); |
| 310 |
$ret = $defaults['order']; |
| 311 |
|
| 312 |
$order = strtoupper($value); |
| 313 |
if(!in_array($order, self::getOrderOptions())) { |
| 314 |
$err = sprintf(self::$binary_err, 'order', 'ASC', 'DEC', $value); |
| 315 |
} else { |
| 316 |
$ret = $order; |
| 317 |
} |
| 318 |
|
| 319 |
return $ret; |
| 320 |
} |
| 321 |
|
| 322 |
public static function getOrderOptions() { |
| 323 |
return array('ASC', 'DEC'); |
| 324 |
} |
| 325 |
|
| 326 |
private static function sanitizeOrderby($value, &$err) { |
| 327 |
$defaults = self::getDefaults(); |
| 328 |
$ret = $defaults['orderby']; |
| 329 |
|
| 330 |
$orderby = 'ID' === strtoupper($value) ? 'ID' : strtolower($value); |
| 331 |
if (!in_array($orderby, self::getOrderbyOptions())) { |
| 332 |
$err = sprintf( |
| 333 |
__('The orderby value entered, "%s," is not valid.', 'document-gallery'), |
| 334 |
$value); |
| 335 |
} else { |
| 336 |
$ret = $orderby; |
| 337 |
} |
| 338 |
|
| 339 |
return $ret; |
| 340 |
} |
| 341 |
|
| 342 |
public static function getOrderbyOptions() { |
| 343 |
return array('author', 'comment_count', 'date', 'ID', |
| 344 |
'menu_order', 'modified', 'name', 'none', |
| 345 |
'parent', 'post__in', 'rand', 'title'); |
| 346 |
} |
| 347 |
|
| 348 |
private static function sanitizeRelation($value, &$err) { |
| 349 |
$defaults = self::getDefaults(); |
| 350 |
$ret = $defaults['relation']; |
| 351 |
|
| 352 |
$relation = strtoupper($value); |
| 353 |
if(!in_array($relation, self::getRelationOptions())) { |
| 354 |
$err = sprintf(self::$binary_err, 'relation', 'AND', 'OR', $value); |
| 355 |
} else { |
| 356 |
$ret = $relation; |
| 357 |
} |
| 358 |
|
| 359 |
return $ret; |
| 360 |
} |
| 361 |
|
| 362 |
public static function getRelationOptions() { |
| 363 |
return array('AND', 'OR'); |
| 364 |
} |
| 365 |
|
| 366 |
/** |
| 367 |
* Gets all valid Documents based on the attributes passed by the user. |
| 368 |
* @return array Contains all documents matching the query. |
| 369 |
* @throws InvalidArgumentException Thrown when $this->errs is not empty. |
| 370 |
*/ |
| 371 |
private function getDocuments() { |
| 372 |
$mime_types = array('application', 'video', 'text', 'audio'); |
| 373 |
if ($this->atts['images']) { |
| 374 |
$mime_types[] = 'image'; |
| 375 |
} |
| 376 |
|
| 377 |
$query = array( |
| 378 |
'numberposts' => -1, |
| 379 |
'orderby' => $this->atts['orderby'], |
| 380 |
'order' => $this->atts['order'], |
| 381 |
'post_status' => 'any', |
| 382 |
'post_type' => 'attachment', |
| 383 |
'post_mime_type' => implode(',', $mime_types)); |
| 384 |
|
| 385 |
$query['post_parent'] = |
| 386 |
$this->atts['localpost'] |
| 387 |
&& ($post = get_post()) ? $post->ID : ''; |
| 388 |
|
| 389 |
$this->setTaxa($query); |
| 390 |
|
| 391 |
if(!empty($this->errs)) { |
| 392 |
throw new InvalidArgumentException(); |
| 393 |
} |
| 394 |
|
| 395 |
return (false !== $this->atts['ids']) |
| 396 |
? $this->getAttachmentsByIds() |
| 397 |
: get_posts($query); |
| 398 |
} |
| 399 |
|
| 400 |
/** |
| 401 |
* Function loops through all attributes passed that did not match |
| 402 |
* self::$defaults. If they are the name of a taxonomy, they are plugged |
| 403 |
* into the query, otherwise $this->errs is appended with an error string. |
| 404 |
* @global string $wp_version Determines which tax query to use. |
| 405 |
* @param array $query Query to insert tax query into. |
| 406 |
*/ |
| 407 |
private function setTaxa(&$query) { |
| 408 |
if(!empty($this->taxa)) { |
| 409 |
$taxa = array(); |
| 410 |
|
| 411 |
// only include relation if we have multiple taxa |
| 412 |
if(count($this->taxa) > 1) { |
| 413 |
$taxa['relation'] = $this->atts['relation']; |
| 414 |
} |
| 415 |
|
| 416 |
foreach ($this->taxa as $taxon => $terms) { |
| 417 |
$terms = $this->getTermIdsByNames($taxon, explode(',', $terms)); |
| 418 |
|
| 419 |
$taxa[] = array( |
| 420 |
'taxonomy' => $taxon, |
| 421 |
'field' => 'id', |
| 422 |
'terms' => $terms |
| 423 |
); |
| 424 |
} |
| 425 |
|
| 426 |
// create nested structure |
| 427 |
$query['tax_query'] = $taxa; |
| 428 |
} |
| 429 |
} |
| 430 |
|
| 431 |
/*========================================================================== |
| 432 |
* HELPER FUNCTIONS |
| 433 |
*=========================================================================*/ |
| 434 |
|
| 435 |
/** |
| 436 |
* Returns an array of term ids when provided with a list of term names. |
| 437 |
* Also appends an entry onto $errs if any invalid names are found. |
| 438 |
* @param string $taxon |
| 439 |
* @param array $term_names |
| 440 |
* @return array |
| 441 |
*/ |
| 442 |
private function getTermIdsByNames($taxon, $term_names) { |
| 443 |
return $this->getTermXByNames('term_id', $taxon, $term_names); |
| 444 |
} |
| 445 |
|
| 446 |
/** |
| 447 |
* Returns an array of term slugs when provided with a list of term names. |
| 448 |
* Also appends an entry onto $errs if any invalid names are found. |
| 449 |
* @param string $taxon |
| 450 |
* @param array $term_names |
| 451 |
* @return array |
| 452 |
*/ |
| 453 |
private function getTermSlugsByNames($taxon, $term_names) { |
| 454 |
return $this->getTermXByNames('slug', $taxon, $term_names); |
| 455 |
} |
| 456 |
|
| 457 |
/** |
| 458 |
* (WP >= 2.3) Returns a list of x, where x may be any of the fields within a |
| 459 |
* term object, when provided with a list of term names (not slugs). |
| 460 |
* (http://codex.wordpress.org/Function_Reference/get_term_by#Return_Values) |
| 461 |
* |
| 462 |
* Also appends an entry onto $errs if any invalid names are found. |
| 463 |
* @param string $x |
| 464 |
* @param string $taxon |
| 465 |
* @param array $term_names |
| 466 |
* @return array |
| 467 |
*/ |
| 468 |
private function getTermXByNames($x, $taxon, $term_names) { |
| 469 |
$ret = array(); |
| 470 |
|
| 471 |
foreach ($term_names as $name) { |
| 472 |
if (($term = get_term_by('name', $name, $taxon))) { |
| 473 |
$ret[] = $term->{$x}; |
| 474 |
} else { |
| 475 |
$this->errs[] = sprintf(__('%s is not a valid term name in %s.', |
| 476 |
'document-gallery'), $name, $taxon); |
| 477 |
} |
| 478 |
} |
| 479 |
|
| 480 |
return $ret; |
| 481 |
} |
| 482 |
|
| 483 |
/** |
| 484 |
* Given a list of IDs, all attachments represented by these IDs are returned. |
| 485 |
* @return array post objects |
| 486 |
*/ |
| 487 |
private function getAttachmentsByIds() { |
| 488 |
$args = array( |
| 489 |
'post_type' => 'attachment', |
| 490 |
'post_status' => 'inherit', |
| 491 |
'post_per_page' => -1, |
| 492 |
'post__in' => $this->atts['ids'] |
| 493 |
); |
| 494 |
|
| 495 |
return count($args['post__in']) ? get_posts($args) : array(); |
| 496 |
} |
| 497 |
|
| 498 |
/** |
| 499 |
* Function returns false for positive ints, true otherwise. |
| 500 |
* @param string $var could be anything. |
| 501 |
* @return boolean indicating whether $var is not a positive int. |
| 502 |
*/ |
| 503 |
private static function negativeInt($var) { |
| 504 |
return !is_numeric($var) // isn't numeric |
| 505 |
|| (int)$var != $var // isn't int |
| 506 |
|| (int)$var < 0; // isn't positive |
| 507 |
} |
| 508 |
|
| 509 |
private static function toBool($val) { |
| 510 |
if (is_bool($val)) { |
| 511 |
return $val; |
| 512 |
} |
| 513 |
|
| 514 |
if (is_string($val)) { |
| 515 |
$val = strtolower($val); |
| 516 |
if ('true' === $val || '1' === $val) { |
| 517 |
return true; |
| 518 |
} |
| 519 |
|
| 520 |
if ('false' === $val || '0' === $val) { |
| 521 |
return false; |
| 522 |
} |
| 523 |
} |
| 524 |
|
| 525 |
if (is_null($val)) { |
| 526 |
return false; |
| 527 |
} |
| 528 |
|
| 529 |
return null; |
| 530 |
} |
| 531 |
|
| 532 |
/*========================================================================== |
| 533 |
* OUTPUT HTML STRING |
| 534 |
*=========================================================================*/ |
| 535 |
|
| 536 |
/** |
| 537 |
* Returns HTML representing this Gallery. |
| 538 |
* @return string |
| 539 |
*/ |
| 540 |
public function __toString() { |
| 541 |
if(!empty($this->errs)) { |
| 542 |
return '<p>' . implode('</p><p>', $this->errs) . '</p>'; |
| 543 |
} |
| 544 |
|
| 545 |
if(empty($this->docs)) { |
| 546 |
return self::$no_docs; |
| 547 |
} |
| 548 |
|
| 549 |
$core = ''; |
| 550 |
$classes = array('document-icon-wrapper'); |
| 551 |
if($this->useDescriptions()) { |
| 552 |
$classes[] = 'descriptions'; |
| 553 |
} |
| 554 |
|
| 555 |
$icon_wrapper = sprintf(self::$icon_wrapper, implode(' ', $classes), '%s'); |
| 556 |
|
| 557 |
if($this->useDescriptions()) { |
| 558 |
foreach($this->docs as $doc) { |
| 559 |
$core .= sprintf($icon_wrapper, $doc); |
| 560 |
} |
| 561 |
} else { |
| 562 |
for($i = 0; $i < count($this->docs); $i+=4) { |
| 563 |
$row = ''; |
| 564 |
|
| 565 |
$min = min($i+4, count($this->docs)); |
| 566 |
for($x = $i; $x < $min; $x++) { |
| 567 |
$row .= $this->docs[$x]; |
| 568 |
} |
| 569 |
|
| 570 |
$core .= sprintf($icon_wrapper, $row); |
| 571 |
} |
| 572 |
} |
| 573 |
|
| 574 |
return self::$comment . $core; |
| 575 |
} |
| 576 |
} |
| 577 |
|
| 578 |
?> |
