external
7 years ago
integrations
7 years ago
class-custom-sidebars-checkup-notification.php
5 years ago
class-custom-sidebars-cloning.php
9 years ago
class-custom-sidebars-editor.php
7 years ago
class-custom-sidebars-explain.php
7 years ago
class-custom-sidebars-export.php
8 years ago
class-custom-sidebars-replacer.php
7 years ago
class-custom-sidebars-visibility.php
7 years ago
class-custom-sidebars-widgets.php
9 years ago
class-custom-sidebars.php
5 years ago
class-custom-sidebars-export.php
920 lines
| 1 | <?php |
| 2 | |
| 3 | |
| 4 | add_action( 'cs_init', array( 'CustomSidebarsExport', 'instance' ) ); |
| 5 | |
| 6 | /** |
| 7 | * Provides functionality to export and import sidebar settings. |
| 8 | * |
| 9 | * @since 2.0 |
| 10 | */ |
| 11 | class CustomSidebarsExport extends CustomSidebars { |
| 12 | |
| 13 | // Holds the contents of the import-file during preview/import. |
| 14 | static private $import_data = null; |
| 15 | |
| 16 | // Used after preview. This holds only the items that were selected for import. |
| 17 | private $selected_data = null; |
| 18 | |
| 19 | /** |
| 20 | * CSB version |
| 21 | */ |
| 22 | private $version = ''; |
| 23 | |
| 24 | /** |
| 25 | * Returns the singleton object. |
| 26 | * |
| 27 | * @since 2.0 |
| 28 | */ |
| 29 | public static function instance() { |
| 30 | static $Inst = null; |
| 31 | |
| 32 | if ( null === $Inst ) { |
| 33 | $Inst = new CustomSidebarsExport(); |
| 34 | } |
| 35 | |
| 36 | return $Inst; |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * Constructor is private -> singleton. |
| 41 | * |
| 42 | * @since 2.0 |
| 43 | */ |
| 44 | private function __construct() { |
| 45 | add_action( 'admin_init', array( $this, 'admin_init' ) ); |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * Admin Init |
| 50 | * |
| 51 | * @since 3.1.6 |
| 52 | */ |
| 53 | public function admin_init() { |
| 54 | add_action( 'cs_widget_header', array( $this, 'widget_header' ) ); |
| 55 | add_action( 'cs_ajax_request', array( $this, 'handle_ajax' ) ); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Called by action 'cs_widget_header'. Output the export/import button in |
| 60 | * the widget header. |
| 61 | * |
| 62 | * @since 2.0 |
| 63 | */ |
| 64 | public function widget_header() { |
| 65 | ?> |
| 66 | <a href="#" class="cs-action btn-export"><?php _e( 'Import / Export Sidebars', 'custom-sidebars' ); ?></a> |
| 67 | <?php |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * When the custom sidebars section is visible we see if export-action |
| 72 | * needs to be processed. |
| 73 | * |
| 74 | * @since 2.0 |
| 75 | */ |
| 76 | public function handle_ajax( $ajax_action ) { |
| 77 | $req = (object) array( |
| 78 | 'status' => 'ERR', |
| 79 | ); |
| 80 | $is_json = true; |
| 81 | $handle_it = false; |
| 82 | $view_file = ''; |
| 83 | |
| 84 | switch ( $ajax_action ) { |
| 85 | case 'export': |
| 86 | case 'import': |
| 87 | case 'preview-import': |
| 88 | $handle_it = true; |
| 89 | $req->status = 'OK'; |
| 90 | $req->action = $ajax_action; |
| 91 | break; |
| 92 | } |
| 93 | |
| 94 | // The ajax request was not meant for us... |
| 95 | if ( ! $handle_it ) { |
| 96 | return false; |
| 97 | } |
| 98 | |
| 99 | if ( ! current_user_can( self::$cap_required ) ) { |
| 100 | $req = self::req_err( |
| 101 | $req, |
| 102 | __( 'You do not have permission for this', 'custom-sidebars' ) |
| 103 | ); |
| 104 | } else { |
| 105 | switch ( $ajax_action ) { |
| 106 | case 'export': |
| 107 | $this->download_export_file(); |
| 108 | break; |
| 109 | |
| 110 | case 'preview-import': |
| 111 | $req = $this->read_import_file( $req ); |
| 112 | if ( 'OK' == $req->status ) { |
| 113 | ob_start(); |
| 114 | include CSB_VIEWS_DIR . 'import.php'; |
| 115 | $req->html = ob_get_clean(); |
| 116 | } |
| 117 | break; |
| 118 | |
| 119 | case 'import': |
| 120 | $req = $this->prepare_import_data( $req ); |
| 121 | break; |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | // Make the ajax response either as JSON or plain text. |
| 126 | if ( $is_json ) { |
| 127 | self::json_response( $req ); |
| 128 | } else { |
| 129 | ob_start(); |
| 130 | include CSB_VIEWS_DIR . $view_file; |
| 131 | $resp = ob_get_clean(); |
| 132 | |
| 133 | self::plain_response( $resp ); |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | |
| 138 | /*============================*\ |
| 139 | ================================ |
| 140 | == == |
| 141 | == EXPORT == |
| 142 | == == |
| 143 | ================================ |
| 144 | \*============================*/ |
| 145 | |
| 146 | |
| 147 | /** |
| 148 | * Collects the plugin details for export. |
| 149 | * |
| 150 | * @since 2.0 |
| 151 | */ |
| 152 | private function get_export_data() { |
| 153 | global $wp_registered_widgets, $wp_version; |
| 154 | $theme = wp_get_theme(); |
| 155 | $csb_info = get_plugin_data( CSB_PLUGIN ); |
| 156 | $this->version = $csb_info['Version']; |
| 157 | $data = array(); |
| 158 | // Add some meta-details to the export file. |
| 159 | $data['meta'] = array( |
| 160 | 'created' => time(), |
| 161 | 'wp_version' => $wp_version, |
| 162 | 'csb_version' => $csb_info['Version'], |
| 163 | 'theme_name' => $theme->get( 'Name' ), |
| 164 | 'theme_version' => $theme->get( 'Version' ), |
| 165 | 'description' => htmlspecialchars( @$_POST['export-description'] ), |
| 166 | ); |
| 167 | |
| 168 | // Export the custom sidebars. |
| 169 | $data['sidebars'] = self::get_custom_sidebars(); |
| 170 | |
| 171 | // Export the sidebar options (e.g. default replacement). |
| 172 | $data['options'] = self::get_options(); |
| 173 | |
| 174 | // Export category-information. |
| 175 | $data['categories'] = get_categories( array( 'hide_empty' => 0 ) ); |
| 176 | |
| 177 | /* |
| 178 | * Export all widget options. |
| 179 | * |
| 180 | * $wp_registered_widgets contains all widget-instances that were placed |
| 181 | * inside a sidebar. So we loop this array and fetch each widgets |
| 182 | * options individually: |
| 183 | * |
| 184 | * Widget options are saved inside options table with option_name |
| 185 | * "widget_<widget-slug>"; the options can be an array, e.g. |
| 186 | * "widget_search" contains options for all widget instances in any |
| 187 | * sidebar. When we place 2 search widgets in different sidebars there |
| 188 | * will be a list with two option-arrays. |
| 189 | */ |
| 190 | $data['widgets'] = array(); |
| 191 | foreach ( self::get_sidebar_widgets() as $sidebar => $widgets ) { |
| 192 | if ( 'wp_inactive_widgets' === $sidebar ) { |
| 193 | continue; |
| 194 | } |
| 195 | if ( is_array( $widgets ) ) { |
| 196 | $data['widgets'][ $sidebar ] = array(); |
| 197 | foreach ( $widgets as $widget_id ) { |
| 198 | if ( isset( $wp_registered_widgets[ $widget_id ] ) ) { |
| 199 | $item = $wp_registered_widgets[ $widget_id ]; |
| 200 | $cb = $item['callback']; |
| 201 | $widget = is_array( $cb ) ? reset( $cb ) : false; |
| 202 | $id = $widget_id; |
| 203 | if ( ! isset( $data['widgets'][ $sidebar ][ $id ] ) ) { |
| 204 | if ( preg_match( '/(\d+)$/', $widget_id, $matches ) ) { |
| 205 | $id = $matches[1]; |
| 206 | } |
| 207 | } |
| 208 | if ( isset( $data['widgets'][ $sidebar ][ $id ] ) ) { |
| 209 | continue; |
| 210 | } |
| 211 | if ( is_object( $widget ) && method_exists( $widget, 'get_settings' ) ) { |
| 212 | /** |
| 213 | * set correct widget data |
| 214 | */ |
| 215 | $widget->id = $widget_id; |
| 216 | $widget->number = $id; |
| 217 | /** |
| 218 | * get settings |
| 219 | */ |
| 220 | $settings = $widget->get_settings(); |
| 221 | $data['widgets'][ $sidebar ][ $id ] = array( |
| 222 | 'name' => @$widget->name, |
| 223 | 'classname' => get_class( $widget ), |
| 224 | 'id_base' => @$widget->id_base, |
| 225 | 'description' => @$widget->description, |
| 226 | 'settings' => $settings[ @$widget->number ], |
| 227 | 'version' => 3, |
| 228 | ); |
| 229 | } else { |
| 230 | /** |
| 231 | * Widgets that are registered with the old widget API |
| 232 | * have a different structure: |
| 233 | * |
| 234 | * - Not an object but a callback function. |
| 235 | * - No standard options-form. |
| 236 | * -> No widget settings to export. |
| 237 | * -> No clone/visibility options to export. |
| 238 | * - Only one instance |
| 239 | * -> "id_base" is same as $widget_id |
| 240 | */ |
| 241 | $data['widgets'][ $sidebar ][ $widget_id ] = array( |
| 242 | 'name' => @$item['name'], |
| 243 | 'classname' => @$item['classname'], |
| 244 | 'id_base' => @$item['id'], |
| 245 | 'description' => @$item['description'], |
| 246 | 'settings' => @$item['params'], |
| 247 | 'version' => 2, |
| 248 | ); |
| 249 | } |
| 250 | /** |
| 251 | * remove empty settings |
| 252 | */ |
| 253 | if ( isset( $data['widgets'][ $sidebar ][ $id ]['settings']['csb_visibility']['conditions'] ) ) { |
| 254 | foreach ( $data['widgets'][ $sidebar ][ $id ]['settings']['csb_visibility']['conditions'] as $condition_id => $condition_value ) { |
| 255 | if ( empty( $condition_value ) ) { |
| 256 | |
| 257 | unset( $data['widgets'][ $sidebar ][ $id ]['settings']['csb_visibility']['conditions'][ $condition_id ] ); |
| 258 | |
| 259 | } |
| 260 | } |
| 261 | } |
| 262 | } |
| 263 | } |
| 264 | } else { |
| 265 | $data['widgets'][ $sidebar ] = $widgets; |
| 266 | } |
| 267 | } |
| 268 | return $data; |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Generates the export file and sends it as a download to the browser. |
| 273 | * |
| 274 | * @since 2.0 |
| 275 | */ |
| 276 | private function download_export_file() { |
| 277 | /** |
| 278 | * check nonce |
| 279 | */ |
| 280 | if ( |
| 281 | ! isset( $_POST['_wpnonce'] ) |
| 282 | || ! wp_verify_nonce( $_POST['_wpnonce'], 'custom-sidebars-export' ) |
| 283 | ) { |
| 284 | $req = (object) array( |
| 285 | 'status' => 'ERR', |
| 286 | ); |
| 287 | $req = self::req_err( |
| 288 | $req, |
| 289 | __( 'You do not have permission for export sidebars.', 'custom-sidebars' ) |
| 290 | ); |
| 291 | self::json_response( $req ); |
| 292 | } |
| 293 | /** |
| 294 | * build filename |
| 295 | */ |
| 296 | $filename = $this->get_file_name(); |
| 297 | $data = $this->get_export_data(); |
| 298 | $content = ''; |
| 299 | /** |
| 300 | * Check PHP version, for PHP < 5.3 do not add options |
| 301 | * |
| 302 | * @since 3.1.6 |
| 303 | */ |
| 304 | $version = phpversion(); |
| 305 | $compare = version_compare( $version, '5.3', '<' ); |
| 306 | if ( $compare ) { |
| 307 | $content = json_encode( $data ); |
| 308 | } else { |
| 309 | $option = defined( 'JSON_PRETTY_PRINT' )? JSON_PRETTY_PRINT : null; |
| 310 | $content = json_encode( $data, $option ); |
| 311 | } |
| 312 | // Send the download headers. |
| 313 | header( 'Pragma: public' ); |
| 314 | header( 'Expires: 0' ); |
| 315 | header( 'Cache-Control: must-revalidate, post-check=0, pre-check=0' ); |
| 316 | header( 'Cache-Control: private', false ); // required for certain browsers |
| 317 | header( 'Content-type: application/json' ); |
| 318 | header( 'Content-Disposition: attachment; filename="' . $filename . '"' ); |
| 319 | header( 'Content-Transfer-Encoding: binary' ); |
| 320 | header( 'Content-Length: ' . strlen( $content ) ); |
| 321 | /** |
| 322 | * Finally send the export-file content. |
| 323 | */ |
| 324 | echo $content; |
| 325 | exit; |
| 326 | } |
| 327 | |
| 328 | /** |
| 329 | * Generate export file name dynamically. |
| 330 | * |
| 331 | * Generate a unique file name to export in json. |
| 332 | * |
| 333 | * @since 3.1.6 |
| 334 | * |
| 335 | * @return string File name. |
| 336 | */ |
| 337 | private function get_file_name() { |
| 338 | /** |
| 339 | * get version if it is needded |
| 340 | */ |
| 341 | if ( empty( $this->version ) ) { |
| 342 | $csb_info = get_plugin_data( CSB_PLUGIN ); |
| 343 | $this->version = $csb_info['Version']; |
| 344 | } |
| 345 | // Get site name. |
| 346 | $site_name = sanitize_key( get_bloginfo( 'name' ) ); |
| 347 | $site_name = empty( $site_name ) ? '' : $site_name . '.'; |
| 348 | // Create export file name. |
| 349 | $filename = sprintf( |
| 350 | '%s.sidebars.%s.%s.json', |
| 351 | $site_name, |
| 352 | $this->version, |
| 353 | date( 'Y-m-d.H-i-s' ) |
| 354 | ); |
| 355 | return $filename; |
| 356 | } |
| 357 | |
| 358 | /*=============================*\ |
| 359 | ================================= |
| 360 | == == |
| 361 | == PREVIEW == |
| 362 | == == |
| 363 | ================================= |
| 364 | \*=============================*/ |
| 365 | |
| 366 | |
| 367 | /** |
| 368 | * Checks if a valid export-file was uploaded and stores the file contents |
| 369 | * inside self::$import_data. The data is de-serialized. |
| 370 | * In error case the response object will be set to error status. |
| 371 | * |
| 372 | * @since 2.0 |
| 373 | * @param object $req Initial response object for JSON response. |
| 374 | * @return object Updated response object. |
| 375 | */ |
| 376 | private function read_import_file( $req ) { |
| 377 | /** |
| 378 | * check nonce |
| 379 | */ |
| 380 | if ( |
| 381 | ! isset( $_POST['_wpnonce'] ) |
| 382 | || ! wp_verify_nonce( $_POST['_wpnonce'], 'custom-sidebars-import' ) |
| 383 | ) { |
| 384 | $req = (object) array( |
| 385 | 'status' => 'ERR', |
| 386 | ); |
| 387 | $req = self::req_err( |
| 388 | $req, |
| 389 | __( 'You do not have permission for export sidebars.', 'custom-sidebars' ) |
| 390 | ); |
| 391 | self::json_response( $req ); |
| 392 | } |
| 393 | |
| 394 | if ( is_array( $_FILES['data'] ) ) { |
| 395 | switch ( $_FILES['data']['error'] ) { |
| 396 | case UPLOAD_ERR_OK: |
| 397 | // This is the expeted status! |
| 398 | break; |
| 399 | |
| 400 | case UPLOAD_ERR_NO_FILE: |
| 401 | return self::req_err( |
| 402 | $req, |
| 403 | __( 'No file was uploaded', 'custom-sidebars' ) |
| 404 | ); |
| 405 | |
| 406 | case UPLOAD_ERR_INI_SIZE: |
| 407 | case UPLOAD_ERR_FORM_SIZE: |
| 408 | return self::req_err( |
| 409 | $req, |
| 410 | __( 'Import file is too big', 'custom-sidebars' ) |
| 411 | ); |
| 412 | |
| 413 | default: |
| 414 | return self::req_err( |
| 415 | $req, |
| 416 | __( 'Something went wrong', 'custom-sidebars' ) |
| 417 | ); |
| 418 | } |
| 419 | |
| 420 | $content = file_get_contents( $_FILES['data']['tmp_name'] ); |
| 421 | $data = json_decode( $content, true ); |
| 422 | |
| 423 | if ( |
| 424 | is_array( $data['meta'] ) && |
| 425 | is_array( $data['sidebars'] ) && |
| 426 | is_array( $data['options'] ) && |
| 427 | is_array( $data['widgets'] ) && |
| 428 | is_array( $data['categories'] ) |
| 429 | ) { |
| 430 | $data['meta']['filename'] = $_FILES['data']['name']; |
| 431 | $data['ignore'] = array(); |
| 432 | self::$import_data = $data; |
| 433 | |
| 434 | // Remove details that does not exist on current blog. |
| 435 | $this->prepare_data(); |
| 436 | } else { |
| 437 | return self::req_err( |
| 438 | $req, |
| 439 | __( 'Unexpected import format', 'custom-sidebars' ) |
| 440 | ); |
| 441 | } |
| 442 | } else { |
| 443 | return self::req_err( |
| 444 | $req, |
| 445 | __( 'No file was uploaded', 'custom-sidebars' ) |
| 446 | ); |
| 447 | } |
| 448 | |
| 449 | return $req; |
| 450 | } |
| 451 | |
| 452 | /** |
| 453 | * Loads the import-data into the self::$import_data property. |
| 454 | * The data was prepared by the import-preview screen. |
| 455 | * Populates the response object. |
| 456 | * |
| 457 | * @since 2.0 |
| 458 | * @param object $req Initial response object for JSON response. |
| 459 | * @return object Updated response object. |
| 460 | */ |
| 461 | private function prepare_import_data( $req ) { |
| 462 | /** |
| 463 | * check nonce |
| 464 | */ |
| 465 | if ( |
| 466 | ! isset( $_POST['_wpnonce'] ) |
| 467 | || ! wp_verify_nonce( $_POST['_wpnonce'], 'custom-sidebars-import' ) |
| 468 | ) { |
| 469 | $req = (object) array( |
| 470 | 'status' => 'ERR', |
| 471 | ); |
| 472 | $req = self::req_err( |
| 473 | $req, |
| 474 | __( 'You do not have permission for import sidebars.', 'custom-sidebars' ) |
| 475 | ); |
| 476 | self::json_response( $req ); |
| 477 | } |
| 478 | |
| 479 | $data = json_decode( base64_decode( @$_POST['import_data'] ), true ); |
| 480 | |
| 481 | if ( |
| 482 | is_array( $data['meta'] ) && |
| 483 | is_array( $data['sidebars'] ) && |
| 484 | is_array( $data['options'] ) && |
| 485 | is_array( $data['widgets'] ) && |
| 486 | is_array( $data['categories'] ) |
| 487 | ) { |
| 488 | $data['ignore'] = array(); |
| 489 | self::$import_data = $data; |
| 490 | |
| 491 | // Remove details that does not exist on current blog. |
| 492 | $this->prepare_data(); |
| 493 | |
| 494 | // "selected_data" only contains the items that were selected for import. |
| 495 | $this->selected_data = self::$import_data; |
| 496 | unset( $this->selected_data['meta'] ); |
| 497 | unset( $this->selected_data['categories'] ); |
| 498 | unset( $this->selected_data['ignore'] ); |
| 499 | |
| 500 | if ( ! isset( $_POST['import_plugin_config'] ) ) { |
| 501 | unset( $this->selected_data['options'] ); |
| 502 | } |
| 503 | if ( ! isset( $_POST['import_widgets'] ) ) { |
| 504 | unset( $this->selected_data['widgets'] ); |
| 505 | } else { |
| 506 | foreach ( $this->selected_data['widgets'] as $id => $widgets ) { |
| 507 | $key = 'import_sb_' . $id; |
| 508 | if ( ! isset( $_POST[ $key ] ) ) { |
| 509 | unset( $this->selected_data['widgets'][ $id ] ); |
| 510 | } |
| 511 | } |
| 512 | } |
| 513 | foreach ( $this->selected_data['sidebars'] as $id => $sidebar ) { |
| 514 | $key = 'import_sb_' . $sidebar['id']; |
| 515 | if ( ! isset( $_POST[ $key ] ) ) { |
| 516 | unset( $this->selected_data['sidebars'][ $id ] ); |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | // Finally: Import the config! |
| 521 | $req = $this->do_import( $req ); |
| 522 | } else { |
| 523 | return self::req_err( |
| 524 | $req, |
| 525 | __( |
| 526 | 'Something unexpected happened and we could not finish ' . |
| 527 | 'the import. Please try again.', 'custom-sidebars' |
| 528 | ) |
| 529 | ); |
| 530 | } |
| 531 | |
| 532 | return $req; |
| 533 | } |
| 534 | |
| 535 | /** |
| 536 | * Loops through the import data array and removes configuration which is |
| 537 | * not relevant for the current blog. I.e. posttypes that are not registered |
| 538 | * or categories that do not match the current blog. |
| 539 | * |
| 540 | * @since 2.0 |
| 541 | */ |
| 542 | private function prepare_data() { |
| 543 | global $wp_registered_widgets; |
| 544 | $theme_sidebars = self::get_sidebars(); |
| 545 | $valid_categories = array(); |
| 546 | $valid_sidebars = array(); |
| 547 | $valid_widgets = array(); |
| 548 | |
| 549 | // ===== |
| 550 | // Normalize the sidebar list (change numeric index to sidebar-id). |
| 551 | $sidebars_remapped = array(); |
| 552 | foreach ( self::$import_data['sidebars'] as $sidebar ) { |
| 553 | $sidebars_remapped[ $sidebar['id'] ] = $sidebar; |
| 554 | } |
| 555 | self::$import_data['sidebars'] = $sidebars_remapped; |
| 556 | |
| 557 | // ===== |
| 558 | // Get a list of existing/valid sidebar-IDs. |
| 559 | $valid_sidebars = array_merge( |
| 560 | array_keys( $theme_sidebars ), |
| 561 | array_keys( self::$import_data['sidebars'] ) |
| 562 | ); |
| 563 | |
| 564 | // ===== |
| 565 | // Check for theme-sidebars that do not exist. |
| 566 | foreach ( self::$import_data['options']['modifiable'] as $id => $sb_id ) { |
| 567 | if ( ! isset( $theme_sidebars[ $sb_id ] ) ) { |
| 568 | if ( ! isset( self::$import_data['ignore']['sidebars'] ) ) { |
| 569 | self::$import_data['ignore']['sidebars'] = array(); |
| 570 | } |
| 571 | self::$import_data['ignore']['sidebars'][] = $sb_id; |
| 572 | unset( self::$import_data['options']['modifiable'][ $id ] ); |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | // ===== |
| 577 | // Remove invalid sidebars from the default replacement options. |
| 578 | foreach ( array( 'post_type_single', 'post_type_archive', 'category_single', 'category_archive' ) as $key ) { |
| 579 | foreach ( self::$import_data['options'][ $key ] as $id => $list ) { |
| 580 | $list = $this->_remove_sidebar_from_list( $list, $valid_sidebars ); |
| 581 | self::$import_data['options'][ $key ][ $id ] = $list; |
| 582 | } |
| 583 | } |
| 584 | foreach ( array( 'blog', 'tags', 'authors', 'search', 'date' ) as $key ) { |
| 585 | $list = self::$import_data['options'][ $key ]; |
| 586 | $list = $this->_remove_sidebar_from_list( $list, $valid_sidebars ); |
| 587 | self::$import_data['options'][ $key ] = $list; |
| 588 | } |
| 589 | |
| 590 | // ===== |
| 591 | // Check for missing/different categories. |
| 592 | foreach ( get_categories( array( 'hide_empty' => 0 ) ) as $cat ) { |
| 593 | $valid_categories[ $cat->term_id ] = $cat; |
| 594 | } |
| 595 | foreach ( self::$import_data['categories'] as $infos ) { |
| 596 | $id = $infos['term_id']; |
| 597 | if ( |
| 598 | empty( $valid_categories[ $id ] ) || |
| 599 | $valid_categories[ $id ]->slug != $infos['slug'] |
| 600 | ) { |
| 601 | if ( ! isset( self::$import_data['ignore']['categories'] ) ) { |
| 602 | self::$import_data['ignore']['categories'] = array(); |
| 603 | } |
| 604 | self::$import_data['ignore']['categories'][] = $infos['name']; |
| 605 | unset( self::$import_data['categories'][ $id ] ); |
| 606 | |
| 607 | // Remove the categories from the config array. |
| 608 | unset( self::$import_data['options']['category_posts'][ $id ] ); |
| 609 | unset( self::$import_data['options']['category_pages'][ $id ] ); |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | // ===== |
| 614 | // Remove missing widgets from import data. |
| 615 | foreach ( $wp_registered_widgets as $widget ) { |
| 616 | if ( is_array( $widget['callback'] ) ) { |
| 617 | $classname = get_class( $widget['callback'][0] ); |
| 618 | } else { |
| 619 | $classname = $widget['classname']; |
| 620 | } |
| 621 | $valid_widgets[ $classname ] = true; |
| 622 | } |
| 623 | foreach ( self::$import_data['widgets'] as $sb_id => $sidebar ) { |
| 624 | if ( ! is_array( $sidebar ) ) { continue; } |
| 625 | foreach ( $sidebar as $id => $widget_instance ) { |
| 626 | $version = $widget_instance['version']; |
| 627 | $instance_class = $widget_instance['classname']; |
| 628 | $exists = (true === @$valid_widgets[ $instance_class ]); |
| 629 | if ( ! $exists ) { |
| 630 | if ( ! isset( self::$import_data['ignore']['widgets'] ) ) { |
| 631 | self::$import_data['ignore']['widgets'] = array(); |
| 632 | } |
| 633 | self::$import_data['ignore']['widgets'][] = $widget_instance['name']; |
| 634 | unset( $sidebar[ $id ] ); |
| 635 | } |
| 636 | } |
| 637 | self::$import_data['widgets'][ $sb_id ] = $sidebar; |
| 638 | } |
| 639 | } |
| 640 | |
| 641 | /** |
| 642 | * Helper function that is used by prepare_data. |
| 643 | * |
| 644 | * @since 2.0 |
| 645 | */ |
| 646 | private function _remove_sidebar_from_list( $list, $valid_list ) { |
| 647 | /** |
| 648 | * do not process if $list is not an array or is an empty array |
| 649 | */ |
| 650 | if ( ! is_array( $list ) || empty( $list ) ) { |
| 651 | return $list; |
| 652 | } |
| 653 | foreach ( $list as $id => $value ) { |
| 654 | if ( ! in_array( $value, $valid_list ) ) { |
| 655 | unset( $list[ $id ] ); |
| 656 | } else if ( ! in_array( $id, $valid_list ) ) { |
| 657 | unset( $list[ $id ] ); |
| 658 | } |
| 659 | } |
| 660 | return $list; |
| 661 | } |
| 662 | |
| 663 | /** |
| 664 | * Returns the contents of the uploaded import file for preview or import. |
| 665 | * |
| 666 | * @since 2.0 |
| 667 | */ |
| 668 | static public function get_import_data() { |
| 669 | return self::$import_data; |
| 670 | } |
| 671 | |
| 672 | |
| 673 | /*============================*\ |
| 674 | ================================ |
| 675 | == == |
| 676 | == IMPORT == |
| 677 | == == |
| 678 | ================================ |
| 679 | \*============================*/ |
| 680 | |
| 681 | /** |
| 682 | * Process the import data provided in self::$import_data. |
| 683 | * Save the configuration to database. |
| 684 | * Populates the response object. |
| 685 | * |
| 686 | * @since 2.0 |
| 687 | * @param object $req Initial response object for JSON response. |
| 688 | * @return object Updated response object. |
| 689 | */ |
| 690 | private function do_import( $req ) { |
| 691 | $data = $this->selected_data; |
| 692 | $msg = array(); |
| 693 | |
| 694 | // ===================================================================== |
| 695 | // Import custom sidebars |
| 696 | |
| 697 | $sidebars = self::get_custom_sidebars(); |
| 698 | $sidebar_count = 0; |
| 699 | // First replace existing sidebars. |
| 700 | foreach ( $sidebars as $idx => $sidebar ) { |
| 701 | $sb_id = $sidebar['id']; |
| 702 | if ( isset( $data['sidebars'][ $sb_id ] ) ) { |
| 703 | $new_sidebar = $data['sidebars'][ $sb_id ]; |
| 704 | $sidebars[ $idx ] = array( |
| 705 | 'name' => @$new_sidebar['name'], |
| 706 | 'id' => $sb_id, |
| 707 | 'description' => @$new_sidebar['description'], |
| 708 | 'before_widget' => @$new_sidebar['before_widget'], |
| 709 | 'after_widget' => @$new_sidebar['after_widget'], |
| 710 | 'before_title' => @$new_sidebar['before_title'], |
| 711 | 'after_title' => @$new_sidebar['after_title'], |
| 712 | ); |
| 713 | $sidebar_count += 1; |
| 714 | unset( $data['sidebars'][ $sb_id ] ); |
| 715 | } |
| 716 | } |
| 717 | // Second add new sidebars. |
| 718 | foreach ( $data['sidebars'] as $sb_id => $new_sidebar ) { |
| 719 | $sidebars[] = array( |
| 720 | 'name' => @$new_sidebar['name'], |
| 721 | 'id' => $sb_id, |
| 722 | 'description' => @$new_sidebar['description'], |
| 723 | 'before_widget' => @$new_sidebar['before_widget'], |
| 724 | 'after_widget' => @$new_sidebar['after_widget'], |
| 725 | 'before_title' => @$new_sidebar['before_title'], |
| 726 | 'after_title' => @$new_sidebar['after_title'], |
| 727 | ); |
| 728 | $sidebar_count += 1; |
| 729 | } |
| 730 | if ( $sidebar_count > 0 ) { |
| 731 | self::set_custom_sidebars( $sidebars ); |
| 732 | $msg[] = sprintf( |
| 733 | _n( |
| 734 | 'Imported %d custom sidebar!', |
| 735 | 'Imported %d custom sidebars!', |
| 736 | $sidebar_count, |
| 737 | 'custom-sidebars' |
| 738 | ), |
| 739 | $sidebar_count |
| 740 | ); |
| 741 | } |
| 742 | |
| 743 | // ===================================================================== |
| 744 | // Import plugin settings |
| 745 | if ( ! empty( $data['options'] ) ) { |
| 746 | self::set_options( $data['options'] ); |
| 747 | $msg[] = __( 'Plugin options were imported!', 'custom-sidebars' ); |
| 748 | } |
| 749 | |
| 750 | // ===================================================================== |
| 751 | // Import widgets |
| 752 | $widget_count = 0; |
| 753 | $def_sidebars = wp_get_sidebars_widgets(); |
| 754 | $widget_list = array(); |
| 755 | $orig_POST = $_POST; |
| 756 | /** |
| 757 | * First replace existing sidebars. |
| 758 | */ |
| 759 | if ( isset( $data['widgets'] ) && is_array( $data['widgets'] ) ) { |
| 760 | foreach ( $data['widgets'] as $sb_id => $sidebar ) { |
| 761 | // --- 1. Remove all widgets from the sidebar |
| 762 | // @see wp-admin/includes/ajax-actions.php : function wp_ajax_save_widget() |
| 763 | // Empty the sidebar, in case it contains widgets. |
| 764 | $old_widgets = @$def_sidebars[ $sb_id ]; |
| 765 | $def_sidebars[ $sb_id ] = array(); |
| 766 | wp_set_sidebars_widgets( $def_sidebars ); |
| 767 | // Also remove the widget-instances from wp-option table. |
| 768 | if ( ! is_array( $old_widgets ) ) { |
| 769 | $old_widgets = array(); |
| 770 | } |
| 771 | foreach ( $old_widgets as $widget_id ) { |
| 772 | $id_base = preg_replace( '/-[0-9]+$/', '', $widget_id ); |
| 773 | $_POST = array( |
| 774 | 'sidebar' => $sb_id, |
| 775 | 'widget-' . $id_base => array(), |
| 776 | 'the-widget-id' => $widget_id, |
| 777 | 'delete_widget' => '1', |
| 778 | ); |
| 779 | $this->_refresh_widget_settings( $id_base ); |
| 780 | } |
| 781 | // --- 2. Import the new widgets to the sidebar |
| 782 | foreach ( $sidebar as $class => $widget ) { |
| 783 | $widget_base = $widget['id_base']; |
| 784 | $widget_name = $this->_add_new_widget( $widget_base, $widget['settings'] ); |
| 785 | if ( ! empty( $widget_name ) ) { |
| 786 | $def_sidebars[ $sb_id ][] = $widget_name; |
| 787 | $widget_count += 1; |
| 788 | } |
| 789 | } |
| 790 | } |
| 791 | } |
| 792 | $_POST = $orig_POST; |
| 793 | if ( $widget_count > 0 ) { |
| 794 | wp_set_sidebars_widgets( $def_sidebars ); |
| 795 | $msg[] = sprintf( |
| 796 | _n( |
| 797 | 'Imported %d widget!', |
| 798 | 'Imported %d widgets!', |
| 799 | $widget_count, |
| 800 | 'custom-sidebars' |
| 801 | ), |
| 802 | $widget_count |
| 803 | ); |
| 804 | } |
| 805 | |
| 806 | $req->message = base64_encode( implode( '<br />', $msg ) ); |
| 807 | |
| 808 | // We return a HTTP header to refresh the widgets page. |
| 809 | header( 'HTTP/1.1 302 Found' ); |
| 810 | header( 'Location: ' . admin_url( 'widgets.php?cs-msg=' . $req->message ) ); |
| 811 | die(); |
| 812 | } |
| 813 | |
| 814 | /** |
| 815 | * Helper function used by the "do_import()" handler. |
| 816 | * Updates the widget-data in DB. |
| 817 | * |
| 818 | * @since 2.0 |
| 819 | */ |
| 820 | private function _refresh_widget_settings( $id_base ) { |
| 821 | global $wp_registered_widget_updates; |
| 822 | |
| 823 | foreach ( (array) $wp_registered_widget_updates as $name => $control ) { |
| 824 | |
| 825 | if ( $name == $id_base ) { |
| 826 | if ( ! is_callable( $control['callback'] ) ) { |
| 827 | continue; |
| 828 | } |
| 829 | |
| 830 | ob_start(); |
| 831 | if ( is_object( $control['callback'] ) ) { |
| 832 | $control['callback']->updated = false; |
| 833 | } |
| 834 | call_user_func_array( $control['callback'], $control['params'] ); |
| 835 | ob_end_clean(); |
| 836 | |
| 837 | break; |
| 838 | } |
| 839 | } |
| 840 | } |
| 841 | |
| 842 | /** |
| 843 | * Helper function used by the "do_import()" handler. |
| 844 | * Updates the widget-data in DB. |
| 845 | * |
| 846 | * @since 2.0 |
| 847 | */ |
| 848 | private function _add_new_widget( $id_base, $instance ) { |
| 849 | global $wp_registered_widget_updates; |
| 850 | $widget_name = false; |
| 851 | |
| 852 | foreach ( (array) $wp_registered_widget_updates as $name => $control ) { |
| 853 | |
| 854 | if ( $name == $id_base ) { |
| 855 | if ( ! is_callable( $control['callback'] ) ) { |
| 856 | continue; |
| 857 | } |
| 858 | |
| 859 | if ( is_array( $control['callback'] ) ) { |
| 860 | $obj = $control['callback'][0]; |
| 861 | } else { |
| 862 | // We cannot import data from old widgets API. |
| 863 | break; |
| 864 | } |
| 865 | $obj->updated = false; |
| 866 | |
| 867 | $all_instances = $obj->get_settings(); |
| 868 | |
| 869 | // Find out what the next free number is. |
| 870 | $new_number = 0; |
| 871 | foreach ( $all_instances as $number => $data ) { |
| 872 | $new_number = $number > $new_number ? $number : $new_number; |
| 873 | } |
| 874 | $new_number += 1; |
| 875 | $widget_name = $id_base . '-' . $new_number; |
| 876 | /** |
| 877 | * reset previous data |
| 878 | */ |
| 879 | $keys = array( 'title', 'text', 'filter', 'csb_visibility', 'csb_clone' ); |
| 880 | foreach ( $keys as $key ) { |
| 881 | if ( isset( $_POST[ $key ] ) ) { |
| 882 | unset( $_POST[ $key ] ); |
| 883 | } |
| 884 | } |
| 885 | /** |
| 886 | * set current values |
| 887 | */ |
| 888 | foreach ( $instance as $key => $value ) { |
| 889 | $_POST[ $key ] = $value; |
| 890 | } |
| 891 | |
| 892 | /** |
| 893 | * Filter a widget's settings before saving. |
| 894 | * |
| 895 | * Returning false will effectively short-circuit the widget's ability |
| 896 | * to update settings. |
| 897 | * |
| 898 | * @see wp-includes/widgets.php : function "update_callback()" |
| 899 | * @since WordPress 2.8.0 |
| 900 | * |
| 901 | * @param array $instance The current widget instance's settings. |
| 902 | * @param array $new_instance Array of new widget settings. |
| 903 | * @param array $old_instance Array of old widget settings. |
| 904 | * @param WP_Widget $this The current widget instance. |
| 905 | */ |
| 906 | $instance = apply_filters( 'widget_update_callback', $instance, $instance, array(), $obj ); |
| 907 | if ( false !== $instance ) { |
| 908 | $all_instances[ $new_number ] = $instance; |
| 909 | } |
| 910 | |
| 911 | $obj->save_settings( $all_instances ); |
| 912 | |
| 913 | break; |
| 914 | } |
| 915 | } |
| 916 | |
| 917 | return $widget_name; |
| 918 | } |
| 919 | }; |
| 920 |