| 1 |
<?php |
| 2 |
/* |
| 3 |
* compatibility with WPML API. See http://wpml.org/documentation/support/wpml-coding-api/ |
| 4 |
*/ |
| 5 |
|
| 6 |
/* |
| 7 |
* defines two WPML constants once the language has been defined |
| 8 |
*/ |
| 9 |
function pll_define_wpml_constants() { |
| 10 |
if(!defined('ICL_LANGUAGE_CODE')) |
| 11 |
define('ICL_LANGUAGE_CODE', pll_current_language()); |
| 12 |
|
| 13 |
if(!defined('ICL_LANGUAGE_NAME')) |
| 14 |
define('ICL_LANGUAGE_NAME', pll_current_language('name')); |
| 15 |
} |
| 16 |
|
| 17 |
add_action('pll_language_defined', 'pll_define_wpml_constants'); |
| 18 |
|
| 19 |
/* |
| 20 |
* link to the home page in the active language |
| 21 |
*/ |
| 22 |
if (!function_exists('icl_get_home_url')) { |
| 23 |
function icl_get_home_url() { |
| 24 |
return pll_home_url(); |
| 25 |
} |
| 26 |
} |
| 27 |
|
| 28 |
/* |
| 29 |
* used for building custom language selectors |
| 30 |
* available only on frontend |
| 31 |
*/ |
| 32 |
if (!function_exists('icl_get_languages')) { |
| 33 |
function icl_get_languages($args = '') { |
| 34 |
global $polylang; |
| 35 |
if (!(class_exists('Polylang_Core') && $polylang instanceof Polylang_Core)) |
| 36 |
return array(); |
| 37 |
|
| 38 |
$args = extract(wp_parse_args($args)); |
| 39 |
$orderby = (isset($orderby) && $orderby == 'code') ? 'slug' : (isset($orderby) && $orderby == 'name' ? 'name' : 'id'); |
| 40 |
$order = (!empty($order) && $order == 'desc') ? 'DESC' : 'ASC'; |
| 41 |
|
| 42 |
$arr = array(); |
| 43 |
|
| 44 |
foreach ($polylang->get_languages_list(array('hide_empty' => true, 'orderby' => $orderby, 'order' => $order)) as $lang) { |
| 45 |
$url = $polylang->get_translation_url($lang); |
| 46 |
|
| 47 |
if (!$url && !empty($skip_missing)) |
| 48 |
continue; |
| 49 |
|
| 50 |
$arr[] = array( |
| 51 |
'id' => $lang->term_id, |
| 52 |
'active' => isset($polylang->curlang->slug) && $polylang->curlang->slug == $lang->slug ? 1 : 0, |
| 53 |
'native_name' => $lang->name, |
| 54 |
'missing' => $url ? 0 : 1, |
| 55 |
'translated_name' => '', // does not exist in Polylang |
| 56 |
'language_code' => $lang->slug, |
| 57 |
'country_flag_url' => $polylang->get_flag($lang, true), |
| 58 |
'url' => $url ? $url : |
| 59 |
(empty($link_empty_to) ? $polylang->get_home_url($lang) : |
| 60 |
str_replace('{$lang}', $lang->slug, $link_empty_to)) |
| 61 |
); |
| 62 |
} |
| 63 |
return $arr; |
| 64 |
} |
| 65 |
} |
| 66 |
|
| 67 |
/* |
| 68 |
* used for creating language dependent links in themes |
| 69 |
*/ |
| 70 |
if (!function_exists('icl_link_to_element')) { |
| 71 |
function icl_link_to_element($id, $type = 'post', $text = '', $args = array(), $anchor = '') { |
| 72 |
global $polylang; |
| 73 |
|
| 74 |
if ($type == 'tag') |
| 75 |
$type = 'post_tag'; |
| 76 |
|
| 77 |
if (isset($polylang) && ($lang = pll_current_language()) && $tr_id = $polylang->get_translation($type, $id, $lang)) |
| 78 |
$id = $tr_id; |
| 79 |
|
| 80 |
if (post_type_exists($type)) { |
| 81 |
$link = get_permalink($id); |
| 82 |
if (empty($text)) |
| 83 |
$text = get_the_title($id); |
| 84 |
} |
| 85 |
elseif (taxonomy_exists($type)) { |
| 86 |
$link = get_term_link($id, $type); |
| 87 |
if (empty($text) && ($term = get_term($id, $type)) && !empty($term) && !is_wp_error($term)) |
| 88 |
$text = $term->name; |
| 89 |
} |
| 90 |
|
| 91 |
if (empty($link) || is_wp_error($link)) |
| 92 |
return ''; |
| 93 |
|
| 94 |
if (!empty($args)) |
| 95 |
$link .= (false === strpos($link, '?') ? '?' : '&' ) . http_build_query($args); |
| 96 |
|
| 97 |
if (!empty($anchor)) |
| 98 |
$link .= '#' . $anchor; |
| 99 |
|
| 100 |
return sprintf('<a href="%s">%s</a>', esc_url($link), esc_html($text)); |
| 101 |
} |
| 102 |
} |
| 103 |
|
| 104 |
/* |
| 105 |
* used for calculating the IDs of objects (usually categories) in the current language |
| 106 |
*/ |
| 107 |
if (!function_exists('icl_object_id')) { |
| 108 |
function icl_object_id($id, $type, $return_original_if_missing, $lang = false) { |
| 109 |
global $polylang; |
| 110 |
return isset($polylang) && ($lang = $lang ? $lang : pll_current_language()) && ($tr_id = $polylang->get_translation($type, $id, $lang)) ? $tr_id : |
| 111 |
($return_original_if_missing ? $id : null); |
| 112 |
} |
| 113 |
} |
| 114 |
|
| 115 |
/* |
| 116 |
* registers a string for translation in the "strings translation" panel |
| 117 |
* the parameter $context is not used by Polylang |
| 118 |
*/ |
| 119 |
if (!function_exists('icl_register_string')) { |
| 120 |
function icl_register_string($context, $name, $string) { |
| 121 |
$GLOBALS['polylang_wpml_compat']->register_string($context, $name, $string); |
| 122 |
} |
| 123 |
} |
| 124 |
|
| 125 |
/* |
| 126 |
* removes a string from the "strings translation" panel |
| 127 |
* the parameter $context is not used by Polylang |
| 128 |
*/ |
| 129 |
if (!function_exists('icl_unregister_string')) { |
| 130 |
function icl_unregister_string($context, $name) { |
| 131 |
$GLOBALS['polylang_wpml_compat']->unregister_string($context, $name); |
| 132 |
} |
| 133 |
} |
| 134 |
|
| 135 |
/* |
| 136 |
* gets the translated value of a string (previously registered with icl_register_string or pll_register_string) |
| 137 |
* the parameters $context and $name are not used by Polylang |
| 138 |
*/ |
| 139 |
if (!function_exists('icl_t')) { |
| 140 |
function icl_t($context, $name, $string) { |
| 141 |
return pll__($string); |
| 142 |
} |
| 143 |
} |
| 144 |
|
| 145 |
/* |
| 146 |
* undocumented function used by NextGen Gallery |
| 147 |
* seems to be used to both register and translate a string |
| 148 |
* the parameters $context and $bool are not used by Polylang |
| 149 |
*/ |
| 150 |
if (!function_exists('icl_translate')) { |
| 151 |
function icl_translate($context, $name, $string, $bool) { |
| 152 |
$GLOBALS['polylang_wpml_compat']->register_string($context, $name, $string); |
| 153 |
return pll__($string); |
| 154 |
} |
| 155 |
} |
| 156 |
|
| 157 |
/* |
| 158 |
* registers strings in a persistant way as done by WPML |
| 159 |
*/ |
| 160 |
class Polylang_WPML_Compat { |
| 161 |
private $strings; // used for cache |
| 162 |
|
| 163 |
function __construct() { |
| 164 |
add_action('pll_get_strings', array(&$this, 'get_strings')); |
| 165 |
} |
| 166 |
|
| 167 |
// unlike pll_register_string, icl_register_string stores the string in database |
| 168 |
// so we need to do the same as some plugins or themes may expect this |
| 169 |
// we use a serialized option to do this |
| 170 |
function register_string($context, $name, $string) { |
| 171 |
if (empty($this->strings)) |
| 172 |
$this->strings = get_option('polylang_wpml_strings', array()); |
| 173 |
|
| 174 |
// registers the string if it does not exist yet |
| 175 |
$to_register = array('context' => $context, 'name'=> $name, 'string' => $string, 'multiline' => false, 'icl' => true); |
| 176 |
if (!in_array($to_register, $this->strings) && $to_register['string']) { |
| 177 |
$this->strings[] = $to_register; |
| 178 |
update_option('polylang_wpml_strings', $this->strings); |
| 179 |
} |
| 180 |
} |
| 181 |
|
| 182 |
// removes a string from the registered strings list |
| 183 |
function unregister_string($context, $name) { |
| 184 |
if (empty($this->strings)) |
| 185 |
$this->strings = get_option('polylang_wpml_strings', array()); |
| 186 |
|
| 187 |
foreach ($this->strings as $key=>$string) { |
| 188 |
if ($string['context'] == $context && $string['name'] == $name) { |
| 189 |
unset($this->strings[$key]); |
| 190 |
update_option('polylang_wpml_strings', $this->strings); |
| 191 |
} |
| 192 |
} |
| 193 |
} |
| 194 |
|
| 195 |
// adds strings registered by icl_register_string to those registered by pll_register_string |
| 196 |
function get_strings($strings) { |
| 197 |
if (empty($this->strings)) |
| 198 |
$this->strings = get_option('polylang_wpml_strings'); |
| 199 |
|
| 200 |
return empty($this->strings) ? $strings : array_merge($strings, $this->strings); |
| 201 |
} |
| 202 |
} |
| 203 |
|
| 204 |
global $polylang_wpml_compat; |
| 205 |
$polylang_wpml_compat = new Polylang_WPML_Compat(); |
| 206 |
|
| 207 |
/* |
| 208 |
* reads and interprets the file wpml-config.xml |
| 209 |
* see http://wpml.org/documentation/support/language-configuration-files/ |
| 210 |
* the language switcher configuration is not interpreted |
| 211 |
* the xml parser has been adapted from http://php.net/manual/en/function.xml-parse-into-struct.php#84261 |
| 212 |
* many thanks to wickedfather at hotmail dot com |
| 213 |
*/ |
| 214 |
class Polylang_WPML_Config { |
| 215 |
private $values; |
| 216 |
private $index; |
| 217 |
private $wpml_config; |
| 218 |
private $strings; |
| 219 |
|
| 220 |
function __construct() { |
| 221 |
add_action('plugins_loaded', array(&$this, 'init'), 1); |
| 222 |
} |
| 223 |
|
| 224 |
function xml_parse($xml, $context) { |
| 225 |
$parser = xml_parser_create(); |
| 226 |
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0); |
| 227 |
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1); |
| 228 |
xml_parse_into_struct($parser, $xml, $this->values); |
| 229 |
xml_parser_free($parser); |
| 230 |
|
| 231 |
$this->index = 0; |
| 232 |
$arr = $this->xml_parse_recursive(); |
| 233 |
$arr = $arr['wpml-config']; |
| 234 |
|
| 235 |
$keys = array( |
| 236 |
array('custom-fields', 'custom-field'), |
| 237 |
array('custom-types','custom-type'), |
| 238 |
array('taxonomies','taxonomy'), |
| 239 |
array('admin-texts','key') |
| 240 |
); |
| 241 |
|
| 242 |
foreach ($keys as $k) { |
| 243 |
if (isset($arr[$k[0]])) { |
| 244 |
if (!isset($arr[$k[0]][$k[1]][0])) { |
| 245 |
$elem = $arr[$k[0]][$k[1]]; |
| 246 |
unset($arr[$k[0]][$k[1]]); |
| 247 |
$arr[$k[0]][$k[1]][0] = $elem; |
| 248 |
} |
| 249 |
|
| 250 |
$this->wpml_config[$k[0]][$context] = $arr[$k[0]]; |
| 251 |
} |
| 252 |
} |
| 253 |
} |
| 254 |
|
| 255 |
function xml_parse_recursive() { |
| 256 |
$found = array(); |
| 257 |
$tagCount = array(); |
| 258 |
|
| 259 |
while (isset($this->values[$this->index])) { |
| 260 |
extract($this->values[$this->index]); |
| 261 |
$this->index++; |
| 262 |
|
| 263 |
if ($type == 'close') |
| 264 |
return $found; |
| 265 |
|
| 266 |
if (isset($tagCount[$tag])) { |
| 267 |
if ($tagCount[$tag] == 1) |
| 268 |
$found[$tag] = array($found[$tag]); |
| 269 |
|
| 270 |
$tagRef = &$found[$tag][$tagCount[$tag]]; |
| 271 |
$tagCount[$tag]++; |
| 272 |
} |
| 273 |
else { |
| 274 |
$tagCount[$tag] = 1; |
| 275 |
$tagRef = &$found[$tag]; |
| 276 |
} |
| 277 |
|
| 278 |
if ($type == 'open') { |
| 279 |
$tagRef = $this->xml_parse_recursive(); |
| 280 |
if (isset($attributes)) |
| 281 |
$tagRef['attributes'] = $attributes; |
| 282 |
} |
| 283 |
|
| 284 |
if ($type == 'complete') { |
| 285 |
if (isset($attributes)) { |
| 286 |
$tagRef['attributes'] = $attributes; |
| 287 |
$tagRef = &$tagRef['value']; |
| 288 |
} |
| 289 |
if (isset($value)) |
| 290 |
$tagRef = $value; |
| 291 |
} |
| 292 |
} |
| 293 |
|
| 294 |
return $found; |
| 295 |
} |
| 296 |
|
| 297 |
function init() { |
| 298 |
$this->wpml_config = array(); |
| 299 |
|
| 300 |
// child theme |
| 301 |
if (($template = get_template_directory()) != ($stylesheet = get_stylesheet_directory()) && file_exists($file = $stylesheet.'/wpml-config.xml')) |
| 302 |
$this->xml_parse(file_get_contents($file), get_stylesheet()); // FIXME fopen + fread + fclose quicker ? |
| 303 |
|
| 304 |
// theme |
| 305 |
if (file_exists($file = $template.'/wpml-config.xml')) |
| 306 |
$this->xml_parse(file_get_contents($file), get_template()); |
| 307 |
|
| 308 |
// plugins |
| 309 |
foreach (get_option('active_plugins') as $plugin) { |
| 310 |
if (file_exists($file = dirname(POLYLANG_DIR).'/'.dirname($plugin).'/wpml-config.xml')) |
| 311 |
$this->xml_parse(file_get_contents($file), dirname($plugin)); |
| 312 |
} |
| 313 |
|
| 314 |
// custom |
| 315 |
if (file_exists($file = PLL_LOCAL_DIR.'/wpml-config.xml')) |
| 316 |
$this->xml_parse(file_get_contents($file), 'polylang'); |
| 317 |
|
| 318 |
if (isset($this->wpml_config['custom-fields'])) |
| 319 |
add_filter('pll_copy_post_metas', array(&$this, 'copy_post_metas'), 10, 2); |
| 320 |
|
| 321 |
if (isset($this->wpml_config['custom-types'])) |
| 322 |
add_filter('pll_get_post_types', array(&$this, 'translate_types'), 10, 2); |
| 323 |
|
| 324 |
if (isset($this->wpml_config['taxonomies'])) |
| 325 |
add_filter('pll_get_taxonomies', array(&$this, 'translate_taxonomies'), 10, 2); |
| 326 |
|
| 327 |
if (!isset($this->wpml_config['admin-texts'])) |
| 328 |
return; |
| 329 |
|
| 330 |
// get a cleaner array for easy manipulation |
| 331 |
foreach ($this->wpml_config['admin-texts'] as $context => $arr) |
| 332 |
foreach ($arr as $keys) |
| 333 |
$this->strings[$context] = $this->admin_texts_recursive($keys); |
| 334 |
|
| 335 |
foreach ($this->strings as $context=>$options) { |
| 336 |
foreach ($options as $option_name=>$value) { |
| 337 |
if ($GLOBALS['polylang']->is_admin) { // backend |
| 338 |
$option = get_option($option_name); |
| 339 |
if (is_string($option) && $value == 1) |
| 340 |
pll_register_string($option_name, $option, $context); |
| 341 |
elseif (is_array($option) && is_array($value)) |
| 342 |
$this->register_string_recursive($context, $value, $option); // for a serialized option |
| 343 |
} |
| 344 |
else |
| 345 |
add_filter('option_'.$option_name, array(&$this, 'translate_strings')); |
| 346 |
} |
| 347 |
} |
| 348 |
} |
| 349 |
|
| 350 |
// arranges strings in a cleaner way |
| 351 |
function admin_texts_recursive($keys) { |
| 352 |
if (!isset($keys[0])) { |
| 353 |
$elem = $keys; |
| 354 |
unset($keys); |
| 355 |
$keys[0] = $elem; |
| 356 |
} |
| 357 |
foreach ($keys as $key) |
| 358 |
$strings[$key['attributes']['name']] = isset($key['key']) ? $this->admin_texts_recursive($key['key']) : 1; |
| 359 |
|
| 360 |
return $strings; |
| 361 |
} |
| 362 |
|
| 363 |
// recursively registers strings for a serialized option |
| 364 |
function register_string_recursive($context, $strings, $options) { |
| 365 |
foreach ($options as $name=>$value) { |
| 366 |
if (isset($strings[$name])) { |
| 367 |
if (is_string($value) && $strings[$name] == 1) |
| 368 |
pll_register_string($name, $value, $context); |
| 369 |
elseif (is_array($value) && is_array($strings[$name])) |
| 370 |
$this->register_string_recursive($context, $strings[$name], $value); |
| 371 |
} |
| 372 |
} |
| 373 |
} |
| 374 |
|
| 375 |
function copy_post_metas($metas, $sync) { |
| 376 |
foreach ($this->wpml_config['custom-fields'] as $context) { |
| 377 |
foreach ($context['custom-field'] as $cf) { |
| 378 |
if (!$sync && in_array($cf['attributes']['action'], array('copy', 'translate'))) |
| 379 |
$metas[] = $cf['value']; |
| 380 |
elseif ($sync && $cf['attributes']['action'] != 'copy') |
| 381 |
$metas = array_diff($metas, array($cf['value'])); // do not synchronize |
| 382 |
} |
| 383 |
} |
| 384 |
return $metas; |
| 385 |
} |
| 386 |
|
| 387 |
// language and translation management for custom post types |
| 388 |
function translate_types($types, $hide) { |
| 389 |
foreach ($this->wpml_config['custom-types'] as $context) { |
| 390 |
foreach ($context['custom-type'] as $pt) { |
| 391 |
if ($pt['attributes']['translate'] == 1 && !$hide) |
| 392 |
$types[$pt['value']] = $pt['value']; |
| 393 |
elseif ($hide) |
| 394 |
unset ($types[$pt['value']]); // the author decided what to do with the post type so don't allow the user to change this |
| 395 |
} |
| 396 |
} |
| 397 |
return $types; |
| 398 |
} |
| 399 |
|
| 400 |
// language and translation management for custom taxonomies |
| 401 |
function translate_taxonomies($taxonomies, $hide) { |
| 402 |
foreach ($this->wpml_config['taxonomies'] as $context) { |
| 403 |
foreach ($context['taxonomy'] as $tax) { |
| 404 |
if ($tax['attributes']['translate'] == 1 && !$hide) |
| 405 |
$taxonomies[$tax['value']] = $tax['value']; |
| 406 |
elseif ($hide) |
| 407 |
unset ($types[$tax['value']]); // the author decided what to do with the taxonomy so don't allow the user to change this |
| 408 |
} |
| 409 |
} |
| 410 |
|
| 411 |
return $taxonomies; |
| 412 |
} |
| 413 |
|
| 414 |
// translates the strings for an option |
| 415 |
function translate_strings($value) { |
| 416 |
if (is_array($value)) { |
| 417 |
$option = substr(current_filter(), 7); |
| 418 |
foreach ($this->strings as $context=>$options) { |
| 419 |
if (array_key_exists($option, $options)) |
| 420 |
return $this->translate_strings_recursive($options[$option], $value); // for a serialized option |
| 421 |
} |
| 422 |
} |
| 423 |
return pll__($value); |
| 424 |
} |
| 425 |
|
| 426 |
// recursively translates strings for a serialized option |
| 427 |
function translate_strings_recursive($strings, $values) { |
| 428 |
foreach ($values as $name=>$value) { |
| 429 |
if (isset($strings[$name])) { |
| 430 |
if (is_string($value) && $strings[$name] == 1) |
| 431 |
$values[$name] = pll__($value); |
| 432 |
elseif (is_array($value) && is_array($strings[$name])) |
| 433 |
$value = $this->translate_strings_recursive($strings[$name], $value); |
| 434 |
} |
| 435 |
} |
| 436 |
return $values; |
| 437 |
} |
| 438 |
|
| 439 |
} |
| 440 |
|
| 441 |
new Polylang_WPML_Config(); |
| 442 |
|
