| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Base class for both admin |
| 5 |
* |
| 6 |
* @since 1.8 |
| 7 |
*/ |
| 8 |
class PLL_Admin_Base extends PLL_Base { |
| 9 |
public $filter_lang, $curlang, $pref_lang; |
| 10 |
|
| 11 |
/** |
| 12 |
* Loads the polylang text domain |
| 13 |
* Setups actions needed on all admin pages |
| 14 |
* |
| 15 |
* @since 1.8 |
| 16 |
* |
| 17 |
* @param object $links_model |
| 18 |
*/ |
| 19 |
public function __construct( &$links_model ) { |
| 20 |
parent::__construct( $links_model ); |
| 21 |
|
| 22 |
// Plugin i18n, only needed for backend |
| 23 |
load_plugin_textdomain( 'polylang', false, basename( POLYLANG_DIR ) . '/languages' ); |
| 24 |
|
| 25 |
// Adds the link to the languages panel in the WordPress admin menu |
| 26 |
add_action( 'admin_menu', array( $this, 'add_menus' ) ); |
| 27 |
|
| 28 |
// Setup js scripts and css styles |
| 29 |
add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) ); |
| 30 |
add_action( 'admin_print_footer_scripts', array( $this, 'admin_print_footer_scripts' ), 0 ); // High priority in case an ajax request is sent by an immediately invoked function |
| 31 |
|
| 32 |
// Lingotek |
| 33 |
if ( ! defined( 'POLYLANG_PRO' ) && ( ! defined( 'PLL_LINGOTEK_AD' ) || PLL_LINGOTEK_AD ) ) { |
| 34 |
require_once POLYLANG_DIR . '/lingotek/lingotek.php'; |
| 35 |
} |
| 36 |
} |
| 37 |
|
| 38 |
/** |
| 39 |
* Setups filters and action needed on all admin pages and on plugins page |
| 40 |
* Loads the settings pages or the filters base on the request |
| 41 |
* |
| 42 |
* @since 1.2 |
| 43 |
*/ |
| 44 |
public function init() { |
| 45 |
if ( ! $this->model->get_languages_list() ) { |
| 46 |
return; |
| 47 |
} |
| 48 |
|
| 49 |
$this->links = new PLL_Admin_Links( $this ); // FIXME needed here ? |
| 50 |
$this->static_pages = new PLL_Admin_Static_Pages( $this ); // FIXME needed here ? |
| 51 |
$this->filters_links = new PLL_Filters_Links( $this ); // FIXME needed here ? |
| 52 |
|
| 53 |
// Filter admin language for users |
| 54 |
// We must not call user info before WordPress defines user roles in wp-settings.php |
| 55 |
add_filter( 'setup_theme', array( $this, 'init_user' ) ); |
| 56 |
add_filter( 'request', array( $this, 'request' ) ); |
| 57 |
|
| 58 |
// Adds the languages in admin bar |
| 59 |
add_action( 'admin_bar_menu', array( $this, 'admin_bar_menu' ), 100 ); // 100 determines the position |
| 60 |
} |
| 61 |
|
| 62 |
/** |
| 63 |
* Adds the link to the languages panel in the WordPress admin menu |
| 64 |
* |
| 65 |
* @since 0.1 |
| 66 |
*/ |
| 67 |
public function add_menus() { |
| 68 |
// Prepare the list of tabs |
| 69 |
$tabs = array( 'lang' => __( 'Languages', 'polylang' ) ); |
| 70 |
|
| 71 |
// Only if at least one language has been created |
| 72 |
if ( $this->model->get_languages_list() ) { |
| 73 |
$tabs['strings'] = __( 'Strings translations', 'polylang' ); |
| 74 |
} |
| 75 |
|
| 76 |
$tabs['settings'] = __( 'Settings', 'polylang' ); |
| 77 |
|
| 78 |
/** |
| 79 |
* Filter the list of tabs in Polylang settings |
| 80 |
* |
| 81 |
* @since 1.5.1 |
| 82 |
* |
| 83 |
* @param array $tabs list of tab names |
| 84 |
*/ |
| 85 |
$tabs = apply_filters( 'pll_settings_tabs', $tabs ); |
| 86 |
|
| 87 |
foreach ( $tabs as $tab => $title ) { |
| 88 |
$page = 'lang' === $tab ? 'mlang' : "mlang_$tab"; |
| 89 |
if ( empty( $parent ) ) { |
| 90 |
$parent = $page; |
| 91 |
add_menu_page( $title, __( 'Languages', 'polylang' ), 'manage_options', $page, null, 'dashicons-translation' ); |
| 92 |
} |
| 93 |
|
| 94 |
add_submenu_page( $parent, $title, $title, 'manage_options', $page, array( $this, 'languages_page' ) ); |
| 95 |
} |
| 96 |
} |
| 97 |
|
| 98 |
/** |
| 99 |
* Setup js scripts & css styles ( only on the relevant pages ) |
| 100 |
* |
| 101 |
* @since 0.6 |
| 102 |
*/ |
| 103 |
public function admin_enqueue_scripts() { |
| 104 |
$screen = get_current_screen(); |
| 105 |
if ( empty( $screen ) ) { |
| 106 |
return; |
| 107 |
} |
| 108 |
|
| 109 |
$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min'; |
| 110 |
|
| 111 |
// For each script: |
| 112 |
// 0 => the pages on which to load the script |
| 113 |
// 1 => the scripts it needs to work |
| 114 |
// 2 => 1 if loaded even if languages have not been defined yet, 0 otherwise |
| 115 |
// 3 => 1 if loaded in footer |
| 116 |
// FIXME: check if I can load more scripts in footer |
| 117 |
$scripts = array( |
| 118 |
'post' => array( array( 'post', 'media', 'async-upload', 'edit' ), array( 'jquery', 'wp-ajax-response', 'post', 'jquery-ui-autocomplete' ), 0, 1 ), |
| 119 |
'media' => array( array( 'upload' ), array( 'jquery' ), 0, 1 ), |
| 120 |
'term' => array( array( 'edit-tags', 'term' ), array( 'jquery', 'wp-ajax-response', 'jquery-ui-autocomplete' ), 0, 1 ), |
| 121 |
'user' => array( array( 'profile', 'user-edit' ), array( 'jquery' ), 0, 0 ), |
| 122 |
); |
| 123 |
|
| 124 |
foreach ( $scripts as $script => $v ) { |
| 125 |
if ( in_array( $screen->base, $v[0] ) && ( $v[2] || $this->model->get_languages_list() ) ) { |
| 126 |
wp_enqueue_script( 'pll_' . $script, plugins_url( '/js/' . $script . $suffix . '.js', POLYLANG_FILE ), $v[1], POLYLANG_VERSION, $v[3] ); |
| 127 |
} |
| 128 |
} |
| 129 |
|
| 130 |
wp_enqueue_style( 'polylang_admin', plugins_url( '/css/admin' . $suffix . '.css', POLYLANG_FILE ), array(), POLYLANG_VERSION ); |
| 131 |
} |
| 132 |
|
| 133 |
/** |
| 134 |
* Sets pll_ajax_backend on all backend ajax request |
| 135 |
* The final goal is to detect if an ajax request is made on admin or frontend |
| 136 |
* |
| 137 |
* Takes care to various situations: |
| 138 |
* when the ajax request has no options.data thanks to ScreenfeedFr |
| 139 |
* see: https://wordpress.org/support/topic/ajaxprefilter-may-not-work-as-expected |
| 140 |
* when options.data is a json string |
| 141 |
* see: https://wordpress.org/support/topic/polylang-breaking-third-party-ajax-requests-on-admin-panels |
| 142 |
* when options.data is an empty string (GET request with the method 'load') |
| 143 |
* see: https://wordpress.org/support/topic/invalid-url-during-wordpress-new-dashboard-widget-operation |
| 144 |
* |
| 145 |
* @since 1.4 |
| 146 |
*/ |
| 147 |
public function admin_print_footer_scripts() { |
| 148 |
global $post_ID, $tag_ID; |
| 149 |
|
| 150 |
$params = array( 'pll_ajax_backend' => 1 ); |
| 151 |
if ( ! empty( $post_ID ) ) { |
| 152 |
$params = array_merge( $params, array( 'pll_post_id' => (int) $post_ID ) ); |
| 153 |
} |
| 154 |
|
| 155 |
if ( ! empty( $tag_ID ) ) { |
| 156 |
$params = array_merge( $params, array( 'pll_term_id' => (int) $tag_ID ) ); |
| 157 |
} |
| 158 |
|
| 159 |
$str = http_build_query( $params ); |
| 160 |
$arr = json_encode( $params ); |
| 161 |
?> |
| 162 |
<script type="text/javascript"> |
| 163 |
if (typeof jQuery != 'undefined') { |
| 164 |
(function($){ |
| 165 |
$.ajaxPrefilter(function (options, originalOptions, jqXHR) { |
| 166 |
if ( -1 != options.url.indexOf( ajaxurl ) || -1 != ajaxurl.indexOf( options.url ) ) { |
| 167 |
if ( 'undefined' === typeof options.data ) { |
| 168 |
options.data = ( 'get' === options.type.toLowerCase() ) ? '<?php echo $str; ?>' : <?php echo $arr; ?>; |
| 169 |
} else { |
| 170 |
if ( 'string' === typeof options.data ) { |
| 171 |
if ( '' === options.data && 'get' === options.type.toLowerCase() ) { |
| 172 |
options.url = options.url+'&<?php echo $str; ?>'; |
| 173 |
} else { |
| 174 |
try { |
| 175 |
o = $.parseJSON(options.data); |
| 176 |
o = $.extend(o, <?php echo $arr; ?>); |
| 177 |
options.data = JSON.stringify(o); |
| 178 |
} |
| 179 |
catch(e) { |
| 180 |
options.data = '<?php echo $str; ?>&'+options.data; |
| 181 |
} |
| 182 |
} |
| 183 |
} else { |
| 184 |
options.data = $.extend(options.data, <?php echo $arr; ?>); |
| 185 |
} |
| 186 |
} |
| 187 |
} |
| 188 |
}); |
| 189 |
})(jQuery) |
| 190 |
} |
| 191 |
</script> |
| 192 |
<?php |
| 193 |
} |
| 194 |
|
| 195 |
/** |
| 196 |
* Sets the admin current language, used to filter the content |
| 197 |
* |
| 198 |
* @since 2.0 |
| 199 |
*/ |
| 200 |
public function set_current_language() { |
| 201 |
$this->curlang = $this->filter_lang; |
| 202 |
|
| 203 |
// Edit Post |
| 204 |
if ( isset( $_REQUEST['pll_post_id'] ) && $lang = $this->model->post->get_language( (int) $_REQUEST['pll_post_id'] ) ) { |
| 205 |
$this->curlang = $lang; |
| 206 |
} elseif ( 'post.php' === $GLOBALS['pagenow'] && isset( $_GET['post'] ) && is_numeric( $_GET['post'] ) && $lang = $this->model->post->get_language( (int) $_GET['post'] ) ) { |
| 207 |
$this->curlang = $lang; |
| 208 |
} elseif ( 'post-new.php' === $GLOBALS['pagenow'] && ( empty( $_GET['post_type'] ) || $this->model->is_translated_post_type( $_GET['post_type'] ) ) ) { |
| 209 |
$this->curlang = empty( $_GET['new_lang'] ) ? $this->pref_lang : $this->model->get_language( $_GET['new_lang'] ); |
| 210 |
} |
| 211 |
|
| 212 |
// Edit Term |
| 213 |
// FIXME 'edit-tags.php' for backward compatibility with WP < 4.5 |
| 214 |
elseif ( in_array( $GLOBALS['pagenow'], array( 'edit-tags.php', 'term.php' ) ) && isset( $_GET['tag_ID'] ) && $lang = $this->model->term->get_language( (int) $_GET['tag_ID'] ) ) { |
| 215 |
$this->curlang = $lang; |
| 216 |
} elseif ( isset( $_REQUEST['pll_term_id'] ) && $lang = $this->model->term->get_language( (int) $_REQUEST['pll_term_id'] ) ) { |
| 217 |
$this->curlang = $lang; |
| 218 |
} elseif ( 'edit-tags.php' === $GLOBALS['pagenow'] && isset( $_GET['taxonomy'] ) && $this->model->is_translated_taxonomy( $_GET['taxonomy'] ) ) { |
| 219 |
if ( ! empty( $_GET['new_lang'] ) ) { |
| 220 |
$this->curlang = $this->model->get_language( $_GET['new_lang'] ); |
| 221 |
} elseif ( empty( $this->curlang ) ) { |
| 222 |
$this->curlang = $this->pref_lang; |
| 223 |
} |
| 224 |
} |
| 225 |
|
| 226 |
// Ajax |
| 227 |
if ( wp_doing_ajax() && ! empty( $_REQUEST['lang'] ) ) { |
| 228 |
$this->curlang = $this->model->get_language( $_REQUEST['lang'] ); |
| 229 |
} |
| 230 |
} |
| 231 |
|
| 232 |
/** |
| 233 |
* Defines the backend language and the admin language filter based on user preferences |
| 234 |
* |
| 235 |
* @since 1.2.3 |
| 236 |
*/ |
| 237 |
public function init_user() { |
| 238 |
// Backend locale |
| 239 |
// FIXME: Backward compatibility with WP < 4.7 |
| 240 |
if ( version_compare( $GLOBALS['wp_version'], '4.7alpha', '<' ) ) { |
| 241 |
add_filter( 'locale', array( $this, 'get_locale' ) ); |
| 242 |
} |
| 243 |
|
| 244 |
// Language for admin language filter: may be empty |
| 245 |
// $_GET['lang'] is numeric when editing a language, not when selecting a new language in the filter |
| 246 |
if ( ! wp_doing_ajax() && ! empty( $_GET['lang'] ) && ! is_numeric( $_GET['lang'] ) && current_user_can( 'edit_user', $user_id = get_current_user_id() ) ) { |
| 247 |
update_user_meta( $user_id, 'pll_filter_content', ( $lang = $this->model->get_language( $_GET['lang'] ) ) ? $lang->slug : '' ); |
| 248 |
} |
| 249 |
|
| 250 |
$this->filter_lang = $this->model->get_language( get_user_meta( get_current_user_id(), 'pll_filter_content', true ) ); |
| 251 |
|
| 252 |
// Set preferred language for use when saving posts and terms: must not be empty |
| 253 |
$this->pref_lang = empty( $this->filter_lang ) ? $this->model->get_language( $this->options['default_lang'] ) : $this->filter_lang; |
| 254 |
|
| 255 |
/** |
| 256 |
* Filter the preferred language on admin side |
| 257 |
* The preferred language is used for example to determine the language of a new post |
| 258 |
* |
| 259 |
* @since 1.2.3 |
| 260 |
* |
| 261 |
* @param object $pref_lang preferred language |
| 262 |
*/ |
| 263 |
$this->pref_lang = apply_filters( 'pll_admin_preferred_language', $this->pref_lang ); |
| 264 |
|
| 265 |
$this->set_current_language(); |
| 266 |
|
| 267 |
// Inform that the admin language has been set |
| 268 |
// Only if the admin language is one of the Polylang defined language |
| 269 |
// FIXME test get_user_locale for backward compatibility with WP 4.7 |
| 270 |
if ( $curlang = $this->model->get_language( function_exists( 'get_user_locale' ) ? get_user_locale() : get_locale() ) ) { |
| 271 |
// FIXME: Backward compatibility with WP < 4.7 |
| 272 |
if ( version_compare( $GLOBALS['wp_version'], '4.7alpha', '<' ) ) { |
| 273 |
$GLOBALS['text_direction'] = $curlang->is_rtl ? 'rtl' : 'ltr'; // force text direction according to language setting |
| 274 |
} |
| 275 |
|
| 276 |
/** This action is documented in frontend/choose-lang.php */ |
| 277 |
do_action( 'pll_language_defined', $curlang->slug, $curlang ); |
| 278 |
} else { |
| 279 |
/** This action is documented in include/class-polylang.php */ |
| 280 |
do_action( 'pll_no_language_defined' ); // to load overridden textdomains |
| 281 |
} |
| 282 |
} |
| 283 |
|
| 284 |
/** |
| 285 |
* Avoids parsing a tax query when all languages are requested |
| 286 |
* Fixes https://wordpress.org/support/topic/notice-undefined-offset-0-in-wp-includesqueryphp-on-line-3877 introduced in WP 4.1 |
| 287 |
* @see the suggestion of @boonebgorges, https://core.trac.wordpress.org/ticket/31246 |
| 288 |
* |
| 289 |
* @since 1.6.5 |
| 290 |
* |
| 291 |
* @param array $qvars |
| 292 |
* @return array |
| 293 |
*/ |
| 294 |
public function request( $qvars ) { |
| 295 |
if ( isset( $qvars['lang'] ) && 'all' === $qvars['lang'] ) { |
| 296 |
unset( $qvars['lang'] ); |
| 297 |
} |
| 298 |
|
| 299 |
return $qvars; |
| 300 |
} |
| 301 |
|
| 302 |
/** |
| 303 |
* Get the locale based on user preference |
| 304 |
* FIXME: Backward compatibility with WP < 4.7 |
| 305 |
* |
| 306 |
* @since 0.4 |
| 307 |
* |
| 308 |
* @param string $locale |
| 309 |
* @return string modified locale |
| 310 |
*/ |
| 311 |
public function get_locale( $locale ) { |
| 312 |
return ( $loc = get_user_meta( get_current_user_id(), 'locale', 'true' ) ) ? $loc : $locale; |
| 313 |
} |
| 314 |
|
| 315 |
/** |
| 316 |
* Adds the languages list in admin bar for the admin languages filter |
| 317 |
* |
| 318 |
* @since 0.9 |
| 319 |
* |
| 320 |
* @param object $wp_admin_bar |
| 321 |
*/ |
| 322 |
public function admin_bar_menu( $wp_admin_bar ) { |
| 323 |
$all_item = (object) array( |
| 324 |
'slug' => 'all', |
| 325 |
'name' => __( 'Show all languages', 'polylang' ), |
| 326 |
'flag' => '<span class="ab-icon"></span>', |
| 327 |
); |
| 328 |
|
| 329 |
$selected = empty( $this->filter_lang ) ? $all_item : $this->filter_lang; |
| 330 |
|
| 331 |
$title = sprintf( |
| 332 |
'<span class="ab-label"%1$s><span class="screen-reader-text">%2$s</span>%3$s</span>', |
| 333 |
'all' === $selected->slug ? '' : sprintf( ' lang="%s"', esc_attr( $selected->get_locale( 'display' ) ) ), |
| 334 |
__( 'Filters content by language', 'polylang' ), |
| 335 |
esc_html( $selected->name ) |
| 336 |
); |
| 337 |
|
| 338 |
$wp_admin_bar->add_menu( array( |
| 339 |
'id' => 'languages', |
| 340 |
'title' => $selected->flag . $title, |
| 341 |
'href' => esc_url( add_query_arg( 'lang', $selected->slug, remove_query_arg( 'paged' ) ) ), |
| 342 |
'meta' => array( 'title' => __( 'Filters content by language', 'polylang' ) ), |
| 343 |
) ); |
| 344 |
|
| 345 |
foreach ( array_merge( array( $all_item ), $this->model->get_languages_list() ) as $lang ) { |
| 346 |
if ( $selected->slug === $lang->slug ) { |
| 347 |
continue; |
| 348 |
} |
| 349 |
|
| 350 |
$wp_admin_bar->add_menu( array( |
| 351 |
'parent' => 'languages', |
| 352 |
'id' => $lang->slug, |
| 353 |
'title' => $lang->flag . esc_html( $lang->name ), |
| 354 |
'href' => esc_url( add_query_arg( 'lang', $lang->slug, remove_query_arg( 'paged' ) ) ), |
| 355 |
'meta' => 'all' === $lang->slug ? array() : array( 'lang' => esc_attr( $lang->get_locale( 'display' ) ) ), |
| 356 |
) ); |
| 357 |
} |
| 358 |
} |
| 359 |
} |
| 360 |
|
