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1 <?php 2 /** 3 * Base class for displaying a list of items in an ajaxified HTML table. 4 * 5 * @package WordPress 6 * @subpackage List_Table 7 * @since 3.1.0 8 */ 9 10 /** 11 * Base class for displaying a list of items in an ajaxified HTML table. 12 * 13 * @package WordPress 14 * @subpackage List_Table 15 * @since 3.1.0 16 * @access private 17 */ 18 class WP_List_Table { 19 20 /** 21 * The current list of items 22 * 23 * @since 3.1.0 24 * @var array 25 * @access protected 26 */ 27 var $items; 28 29 /** 30 * Various information about the current table 31 * 32 * @since 3.1.0 33 * @var array 34 * @access private 35 */ 36 var $_args; 37 38 /** 39 * Various information needed for displaying the pagination 40 * 41 * @since 3.1.0 42 * @var array 43 * @access private 44 */ 45 var $_pagination_args = array(); 46 47 /** 48 * The current screen 49 * 50 * @since 3.1.0 51 * @var object 52 * @access protected 53 */ 54 var $screen; 55 56 /** 57 * Cached bulk actions 58 * 59 * @since 3.1.0 60 * @var array 61 * @access private 62 */ 63 var $_actions; 64 65 /** 66 * Cached pagination output 67 * 68 * @since 3.1.0 69 * @var string 70 * @access private 71 */ 72 var $_pagination; 73 74 /** 75 * Constructor. The child class should call this constructor from its own constructor 76 * 77 * @param array $args An associative array with information about the current table 78 * @access protected 79 */ 80 function __construct( $args = array() ) { 81 $args = wp_parse_args( $args, array( 82 'plural' => '', 83 'singular' => '', 84 'ajax' => false, 85 'screen' => null, 86 ) ); 87 88 $this->screen = convert_to_screen( $args['screen'] ); 89 90 add_filter( "manage_{$this->screen->id}_columns", array( $this, 'get_columns' ), 0 ); 91 92 if ( !$args['plural'] ) 93 $args['plural'] = $this->screen->base; 94 95 $args['plural'] = sanitize_key( $args['plural'] ); 96 $args['singular'] = sanitize_key( $args['singular'] ); 97 98 $this->_args = $args; 99 100 if ( $args['ajax'] ) { 101 // wp_enqueue_script( 'list-table' ); 102 add_action( 'admin_footer', array( $this, '_js_vars' ) ); 103 } 104 } 105 106 /** 107 * Checks the current user's permissions 108 * @uses wp_die() 109 * 110 * @since 3.1.0 111 * @access public 112 * @abstract 113 */ 114 function ajax_user_can() { 115 die( 'function WP_List_Table::ajax_user_can() must be over-ridden in a sub-class.' ); 116 } 117 118 /** 119 * Prepares the list of items for displaying. 120 * @uses WP_List_Table::set_pagination_args() 121 * 122 * @since 3.1.0 123 * @access public 124 * @abstract 125 */ 126 function prepare_items() { 127 die( 'function WP_List_Table::prepare_items() must be over-ridden in a sub-class.' ); 128 } 129 130 /** 131 * An internal method that sets all the necessary pagination arguments 132 * 133 * @param array $args An associative array with information about the pagination 134 * @access protected 135 */ 136 function set_pagination_args( $args ) { 137 $args = wp_parse_args( $args, array( 138 'total_items' => 0, 139 'total_pages' => 0, 140 'per_page' => 0, 141 ) ); 142 143 if ( !$args['total_pages'] && $args['per_page'] > 0 ) 144 $args['total_pages'] = ceil( $args['total_items'] / $args['per_page'] ); 145 146 // redirect if page number is invalid and headers are not already sent 147 if ( ! headers_sent() && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) && $args['total_pages'] > 0 && $this->get_pagenum() > $args['total_pages'] ) { 148 wp_redirect( add_query_arg( 'paged', $args['total_pages'] ) ); 149 exit; 150 } 151 152 $this->_pagination_args = $args; 153 } 154 155 /** 156 * Access the pagination args 157 * 158 * @since 3.1.0 159 * @access public 160 * 161 * @param string $key 162 * @return array 163 */ 164 function get_pagination_arg( $key ) { 165 if ( 'page' == $key ) 166 return $this->get_pagenum(); 167 168 if ( isset( $this->_pagination_args[$key] ) ) 169 return $this->_pagination_args[$key]; 170 } 171 172 /** 173 * Whether the table has items to display or not 174 * 175 * @since 3.1.0 176 * @access public 177 * 178 * @return bool 179 */ 180 function has_items() { 181 return !empty( $this->items ); 182 } 183 184 /** 185 * Message to be displayed when there are no items 186 * 187 * @since 3.1.0 188 * @access public 189 */ 190 function no_items() { 191 _e( 'No items found.' ); 192 } 193 194 /** 195 * Display the search box. 196 * 197 * @since 3.1.0 198 * @access public 199 * 200 * @param string $text The search button text 201 * @param string $input_id The search input id 202 */ 203 function search_box( $text, $input_id ) { 204 if ( empty( $_REQUEST['s'] ) && !$this->has_items() ) 205 return; 206 207 $input_id = $input_id . '-search-input'; 208 209 if ( ! empty( $_REQUEST['orderby'] ) ) 210 echo '<input type="hidden" name="orderby" value="' . esc_attr( $_REQUEST['orderby'] ) . '" />'; 211 if ( ! empty( $_REQUEST['order'] ) ) 212 echo '<input type="hidden" name="order" value="' . esc_attr( $_REQUEST['order'] ) . '" />'; 213 if ( ! empty( $_REQUEST['post_mime_type'] ) ) 214 echo '<input type="hidden" name="post_mime_type" value="' . esc_attr( $_REQUEST['post_mime_type'] ) . '" />'; 215 if ( ! empty( $_REQUEST['detached'] ) ) 216 echo '<input type="hidden" name="detached" value="' . esc_attr( $_REQUEST['detached'] ) . '" />'; 217 ?> 218 <p class="search-box"> 219 <label class="screen-reader-text" for="<?php echo $input_id ?>"><?php echo $text; ?>:</label> 220 <input type="search" id="<?php echo $input_id ?>" name="s" value="<?php _admin_search_query(); ?>" /> 221 <?php submit_button( $text, 'button', false, false, array('id' => 'search-submit') ); ?> 222 </p> 223 <?php 224 } 225 226 /** 227 * Get an associative array ( id => link ) with the list 228 * of views available on this table. 229 * 230 * @since 3.1.0 231 * @access protected 232 * 233 * @return array 234 */ 235 function get_views() { 236 return array(); 237 } 238 239 /** 240 * Display the list of views available on this table. 241 * 242 * @since 3.1.0 243 * @access public 244 */ 245 function views() { 246 $views = $this->get_views(); 247 /** 248 * Filter the list of available list table views. 249 * 250 * The dynamic portion of the hook name, $this->screen->id, refers 251 * to the ID of the current screen, usually a string. 252 * 253 * @since 3.5.0 254 * 255 * @param array $views An array of available list table views. 256 */ 257 $views = apply_filters( "views_{$this->screen->id}", $views ); 258 259 if ( empty( $views ) ) 260 return; 261 262 echo "<ul class='subsubsub'>\n"; 263 foreach ( $views as $class => $view ) { 264 $views[ $class ] = "\t<li class='$class'>$view"; 265 } 266 echo implode( " |</li>\n", $views ) . "</li>\n"; 267 echo "</ul>"; 268 } 269 270 /** 271 * Get an associative array ( option_name => option_title ) with the list 272 * of bulk actions available on this table. 273 * 274 * @since 3.1.0 275 * @access protected 276 * 277 * @return array 278 */ 279 function get_bulk_actions() { 280 return array(); 281 } 282 283 /** 284 * Display the bulk actions dropdown. 285 * 286 * @since 3.1.0 287 * @access public 288 */ 289 function bulk_actions() { 290 if ( is_null( $this->_actions ) ) { 291 $no_new_actions = $this->_actions = $this->get_bulk_actions(); 292 /** 293 * Filter the list table Bulk Actions drop-down. 294 * 295 * The dynamic portion of the hook name, $this->screen->id, refers 296 * to the ID of the current screen, usually a string. 297 * 298 * This filter can currently only be used to remove bulk actions. 299 * 300 * @since 3.5.0 301 * 302 * @param array $actions An array of the available bulk actions. 303 */ 304 $this->_actions = apply_filters( "bulk_actions-{$this->screen->id}", $this->_actions ); 305 $this->_actions = array_intersect_assoc( $this->_actions, $no_new_actions ); 306 $two = ''; 307 } else { 308 $two = '2'; 309 } 310 311 if ( empty( $this->_actions ) ) 312 return; 313 314 echo "<select name='action$two'>\n"; 315 echo "<option value='-1' selected='selected'>" . __( 'Bulk Actions' ) . "</option>\n"; 316 317 foreach ( $this->_actions as $name => $title ) { 318 $class = 'edit' == $name ? ' class="hide-if-no-js"' : ''; 319 320 echo "\t<option value='$name'$class>$title</option>\n"; 321 } 322 323 echo "</select>\n"; 324 325 submit_button( __( 'Apply' ), 'action', false, false, array( 'id' => "doaction$two" ) ); 326 echo "\n"; 327 } 328 329 /** 330 * Get the current action selected from the bulk actions dropdown. 331 * 332 * @since 3.1.0 333 * @access public 334 * 335 * @return string|bool The action name or False if no action was selected 336 */ 337 function current_action() { 338 if ( isset( $_REQUEST['action'] ) && -1 != $_REQUEST['action'] ) 339 return $_REQUEST['action']; 340 341 if ( isset( $_REQUEST['action2'] ) && -1 != $_REQUEST['action2'] ) 342 return $_REQUEST['action2']; 343 344 return false; 345 } 346 347 /** 348 * Generate row actions div 349 * 350 * @since 3.1.0 351 * @access protected 352 * 353 * @param array $actions The list of actions 354 * @param bool $always_visible Whether the actions should be always visible 355 * @return string 356 */ 357 function row_actions( $actions, $always_visible = false ) { 358 $action_count = count( $actions ); 359 $i = 0; 360 361 if ( !$action_count ) 362 return ''; 363 364 $out = '<div class="' . ( $always_visible ? 'row-actions visible' : 'row-actions' ) . '">'; 365 foreach ( $actions as $action => $link ) { 366 ++$i; 367 ( $i == $action_count ) ? $sep = '' : $sep = ' | '; 368 $out .= "<span class='$action'>$link$sep</span>"; 369 } 370 $out .= '</div>'; 371 372 return $out; 373 } 374 375 /** 376 * Display a monthly dropdown for filtering items 377 * 378 * @since 3.1.0 379 * @access protected 380 */ 381 function months_dropdown( $post_type ) { 382 global $wpdb, $wp_locale; 383 384 $months = $wpdb->get_results( $wpdb->prepare( " 385 SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month 386 FROM $wpdb->posts 387 WHERE post_type = %s 388 ORDER BY post_date DESC 389 ", $post_type ) ); 390 391 /** 392 * Filter the 'Months' drop-down results. 393 * 394 * @since 3.7.0 395 * 396 * @param object $months The months drop-down query results. 397 * @param string $post_type The post type. 398 */ 399 $months = apply_filters( 'months_dropdown_results', $months, $post_type ); 400 401 $month_count = count( $months ); 402 403 if ( !$month_count || ( 1 == $month_count && 0 == $months[0]->month ) ) 404 return; 405 406 $m = isset( $_GET['m'] ) ? (int) $_GET['m'] : 0; 407 ?> 408 <select name='m'> 409 <option<?php selected( $m, 0 ); ?> value='0'><?php _e( 'Show all dates' ); ?></option> 410 <?php 411 foreach ( $months as $arc_row ) { 412 if ( 0 == $arc_row->year ) 413 continue; 414 415 $month = zeroise( $arc_row->month, 2 ); 416 $year = $arc_row->year; 417 418 printf( "<option %s value='%s'>%s</option>\n", 419 selected( $m, $year . $month, false ), 420 esc_attr( $arc_row->year . $month ), 421 /* translators: 1: month name, 2: 4-digit year */ 422 sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $month ), $year ) 423 ); 424 } 425 ?> 426 </select> 427 <?php 428 } 429 430 /** 431 * Display a view switcher 432 * 433 * @since 3.1.0 434 * @access protected 435 */ 436 function view_switcher( $current_mode ) { 437 $modes = array( 438 'list' => __( 'List View' ), 439 'excerpt' => __( 'Excerpt View' ) 440 ); 441 442 ?> 443 <input type="hidden" name="mode" value="<?php echo esc_attr( $current_mode ); ?>" /> 444 <div class="view-switch"> 445 <?php 446 foreach ( $modes as $mode => $title ) { 447 $class = ( $current_mode == $mode ) ? 'class="current"' : ''; 448 echo "<a href='" . esc_url( add_query_arg( 'mode', $mode, $_SERVER['REQUEST_URI'] ) ) . "' $class><img id='view-switch-$mode' src='" . esc_url( includes_url( 'images/blank.gif' ) ) . "' width='20' height='20' title='$title' alt='$title' /></a>\n"; 449 } 450 ?> 451 </div> 452 <?php 453 } 454 455 /** 456 * Display a comment count bubble 457 * 458 * @since 3.1.0 459 * @access protected 460 * 461 * @param int $post_id 462 * @param int $pending_comments 463 */ 464 function comments_bubble( $post_id, $pending_comments ) { 465 $pending_phrase = sprintf( __( '%s pending' ), number_format( $pending_comments ) ); 466 467 if ( $pending_comments ) 468 echo '<strong>'; 469 470 echo "<a href='" . esc_url( add_query_arg( 'p', $post_id, admin_url( 'edit-comments.php' ) ) ) . "' title='" . esc_attr( $pending_phrase ) . "' class='post-com-count'><span class='comment-count'>" . number_format_i18n( get_comments_number() ) . "</span></a>"; 471 472 if ( $pending_comments ) 473 echo '</strong>'; 474 } 475 476 /** 477 * Get the current page number 478 * 479 * @since 3.1.0 480 * @access protected 481 * 482 * @return int 483 */ 484 function get_pagenum() { 485 $pagenum = isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 0; 486 487 if( isset( $this->_pagination_args['total_pages'] ) && $pagenum > $this->_pagination_args['total_pages'] ) 488 $pagenum = $this->_pagination_args['total_pages']; 489 490 return max( 1, $pagenum ); 491 } 492 493 /** 494 * Get number of items to display on a single page 495 * 496 * @since 3.1.0 497 * @access protected 498 * 499 * @return int 500 */ 501 function get_items_per_page( $option, $default = 20 ) { 502 $per_page = (int) get_user_option( $option ); 503 if ( empty( $per_page ) || $per_page < 1 ) 504 $per_page = $default; 505 506 /** 507 * Filter the number of items to be displayed on each page of the list table. 508 * 509 * The dynamic hook name, $option, refers to the per page option depending 510 * on the type of list table in use. Possible values may include: 511 * 'edit_comments_per_page', 'sites_network_per_page', 'site_themes_network_per_page', 512 * 'themes_netework_per_page', 'users_network_per_page', 'edit_{$post_type}', etc. 513 * 514 * @since 2.9.0 515 * 516 * @param int $per_page Number of items to be displayed. Default 20. 517 */ 518 return (int) apply_filters( $option, $per_page ); 519 } 520 521 /** 522 * Display the pagination. 523 * 524 * @since 3.1.0 525 * @access protected 526 */ 527 function pagination( $which ) { 528 if ( empty( $this->_pagination_args ) ) 529 return; 530 531 extract( $this->_pagination_args, EXTR_SKIP ); 532 533 $output = '<span class="displaying-num">' . sprintf( _n( '1 item', '%s items', $total_items ), number_format_i18n( $total_items ) ) . '</span>'; 534 535 $current = $this->get_pagenum(); 536 537 $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); 538 539 $current_url = remove_query_arg( array( 'hotkeys_highlight_last', 'hotkeys_highlight_first' ), $current_url ); 540 541 $page_links = array(); 542 543 $disable_first = $disable_last = ''; 544 if ( $current == 1 ) 545 $disable_first = ' disabled'; 546 if ( $current == $total_pages ) 547 $disable_last = ' disabled'; 548 549 $page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>", 550 'first-page' . $disable_first, 551 esc_attr__( 'Go to the first page' ), 552 esc_url( remove_query_arg( 'paged', $current_url ) ), 553 '«' 554 ); 555 556 $page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>", 557 'prev-page' . $disable_first, 558 esc_attr__( 'Go to the previous page' ), 559 esc_url( add_query_arg( 'paged', max( 1, $current-1 ), $current_url ) ), 560 '‹' 561 ); 562 563 if ( 'bottom' == $which ) 564 $html_current_page = $current; 565 else 566 $html_current_page = sprintf( "<input class='current-page' title='%s' type='text' name='paged' value='%s' size='%d' />", 567 esc_attr__( 'Current page' ), 568 $current, 569 strlen( $total_pages ) 570 ); 571 572 $html_total_pages = sprintf( "<span class='total-pages'>%s</span>", number_format_i18n( $total_pages ) ); 573 $page_links[] = '<span class="paging-input">' . sprintf( _x( '%1$s of %2$s', 'paging' ), $html_current_page, $html_total_pages ) . '</span>'; 574 575 $page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>", 576 'next-page' . $disable_last, 577 esc_attr__( 'Go to the next page' ), 578 esc_url( add_query_arg( 'paged', min( $total_pages, $current+1 ), $current_url ) ), 579 '›' 580 ); 581 582 $page_links[] = sprintf( "<a class='%s' title='%s' href='%s'>%s</a>", 583 'last-page' . $disable_last, 584 esc_attr__( 'Go to the last page' ), 585 esc_url( add_query_arg( 'paged', $total_pages, $current_url ) ), 586 '»' 587 ); 588 589 $pagination_links_class = 'pagination-links'; 590 if ( ! empty( $infinite_scroll ) ) 591 $pagination_links_class = ' hide-if-js'; 592 $output .= "\n<span class='$pagination_links_class'>" . join( "\n", $page_links ) . '</span>'; 593 594 if ( $total_pages ) 595 $page_class = $total_pages < 2 ? ' one-page' : ''; 596 else 597 $page_class = ' no-pages'; 598 599 $this->_pagination = "<div class='tablenav-pages{$page_class}'>$output</div>"; 600 601 echo $this->_pagination; 602 } 603 604 /** 605 * Get a list of columns. The format is: 606 * 'internal-name' => 'Title' 607 * 608 * @since 3.1.0 609 * @access protected 610 * @abstract 611 * 612 * @return array 613 */ 614 function get_columns() { 615 die( 'function WP_List_Table::get_columns() must be over-ridden in a sub-class.' ); 616 } 617 618 /** 619 * Get a list of sortable columns. The format is: 620 * 'internal-name' => 'orderby' 621 * or 622 * 'internal-name' => array( 'orderby', true ) 623 * 624 * The second format will make the initial sorting order be descending 625 * 626 * @since 3.1.0 627 * @access protected 628 * 629 * @return array 630 */ 631 function get_sortable_columns() { 632 return array(); 633 } 634 635 /** 636 * Get a list of all, hidden and sortable columns, with filter applied 637 * 638 * @since 3.1.0 639 * @access protected 640 * 641 * @return array 642 */ 643 function get_column_info() { 644 if ( isset( $this->_column_headers ) ) 645 return $this->_column_headers; 646 647 $columns = get_column_headers( $this->screen ); 648 $hidden = get_hidden_columns( $this->screen ); 649 650 $sortable_columns = $this->get_sortable_columns(); 651 /** 652 * Filter the list table sortable columns for a specific screen. 653 * 654 * The dynamic portion of the hook name, $this->screen->id, refers 655 * to the ID of the current screen, usually a string. 656 * 657 * @since 3.5.0 658 * 659 * @param array $sortable_columns An array of sortable columns. 660 */ 661 $_sortable = apply_filters( "manage_{$this->screen->id}_sortable_columns", $sortable_columns ); 662 663 $sortable = array(); 664 foreach ( $_sortable as $id => $data ) { 665 if ( empty( $data ) ) 666 continue; 667 668 $data = (array) $data; 669 if ( !isset( $data[1] ) ) 670 $data[1] = false; 671 672 $sortable[$id] = $data; 673 } 674 675 $this->_column_headers = array( $columns, $hidden, $sortable ); 676 677 return $this->_column_headers; 678 } 679 680 /** 681 * Return number of visible columns 682 * 683 * @since 3.1.0 684 * @access public 685 * 686 * @return int 687 */ 688 function get_column_count() { 689 list ( $columns, $hidden ) = $this->get_column_info(); 690 $hidden = array_intersect( array_keys( $columns ), array_filter( $hidden ) ); 691 return count( $columns ) - count( $hidden ); 692 } 693 694 /** 695 * Print column headers, accounting for hidden and sortable columns. 696 * 697 * @since 3.1.0 698 * @access protected 699 * 700 * @param bool $with_id Whether to set the id attribute or not 701 */ 702 function print_column_headers( $with_id = true ) { 703 list( $columns, $hidden, $sortable ) = $this->get_column_info(); 704 705 $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); 706 $current_url = remove_query_arg( 'paged', $current_url ); 707 708 if ( isset( $_GET['orderby'] ) ) 709 $current_orderby = $_GET['orderby']; 710 else 711 $current_orderby = ''; 712 713 if ( isset( $_GET['order'] ) && 'desc' == $_GET['order'] ) 714 $current_order = 'desc'; 715 else 716 $current_order = 'asc'; 717 718 if ( ! empty( $columns['cb'] ) ) { 719 static $cb_counter = 1; 720 $columns['cb'] = '<label class="screen-reader-text" for="cb-select-all-' . $cb_counter . '">' . __( 'Select All' ) . '</label>' 721 . '<input id="cb-select-all-' . $cb_counter . '" type="checkbox" />'; 722 $cb_counter++; 723 } 724 725 foreach ( $columns as $column_key => $column_display_name ) { 726 $class = array( 'manage-column', "column-$column_key" ); 727 728 $style = ''; 729 if ( in_array( $column_key, $hidden ) ) 730 $style = 'display:none;'; 731 732 $style = ' style="' . $style . '"'; 733 734 if ( 'cb' == $column_key ) 735 $class[] = 'check-column'; 736 elseif ( in_array( $column_key, array( 'posts', 'comments', 'links' ) ) ) 737 $class[] = 'num'; 738 739 if ( isset( $sortable[$column_key] ) ) { 740 list( $orderby, $desc_first ) = $sortable[$column_key]; 741 742 if ( $current_orderby == $orderby ) { 743 $order = 'asc' == $current_order ? 'desc' : 'asc'; 744 $class[] = 'sorted'; 745 $class[] = $current_order; 746 } else { 747 $order = $desc_first ? 'desc' : 'asc'; 748 $class[] = 'sortable'; 749 $class[] = $desc_first ? 'asc' : 'desc'; 750 } 751 752 $column_display_name = '<a href="' . esc_url( add_query_arg( compact( 'orderby', 'order' ), $current_url ) ) . '"><span>' . $column_display_name . '</span><span class="sorting-indicator"></span></a>'; 753 } 754 755 $id = $with_id ? "id='$column_key'" : ''; 756 757 if ( !empty( $class ) ) 758 $class = "class='" . join( ' ', $class ) . "'"; 759 760 echo "<th scope='col' $id $class $style>$column_display_name</th>"; 761 } 762 } 763 764 /** 765 * Display the table 766 * 767 * @since 3.1.0 768 * @access public 769 */ 770 function display() { 771 extract( $this->_args ); 772 773 $this->display_tablenav( 'top' ); 774 775 ?> 776 <table class="wp-list-table <?php echo implode( ' ', $this->get_table_classes() ); ?>" cellspacing="0"> 777 <thead> 778 <tr> 779 <?php $this->print_column_headers(); ?> 780 </tr> 781 </thead> 782 783 <tfoot> 784 <tr> 785 <?php $this->print_column_headers( false ); ?> 786 </tr> 787 </tfoot> 788 789 <tbody id="the-list"<?php if ( $singular ) echo " data-wp-lists='list:$singular'"; ?>> 790 <?php $this->display_rows_or_placeholder(); ?> 791 </tbody> 792 </table> 793 <?php 794 $this->display_tablenav( 'bottom' ); 795 } 796 797 /** 798 * Get a list of CSS classes for the <table> tag 799 * 800 * @since 3.1.0 801 * @access protected 802 * 803 * @return array 804 */ 805 function get_table_classes() { 806 return array( 'widefat', 'fixed', $this->_args['plural'] ); 807 } 808 809 /** 810 * Generate the table navigation above or below the table 811 * 812 * @since 3.1.0 813 * @access protected 814 */ 815 function display_tablenav( $which ) { 816 if ( 'top' == $which ) 817 wp_nonce_field( 'bulk-' . $this->_args['plural'] ); 818 ?> 819 <div class="tablenav <?php echo esc_attr( $which ); ?>"> 820 821 <div class="alignleft actions bulkactions"> 822 <?php $this->bulk_actions(); ?> 823 </div> 824 <?php 825 $this->extra_tablenav( $which ); 826 $this->pagination( $which ); 827 ?> 828 829 <br class="clear" /> 830 </div> 831 <?php 832 } 833 834 /** 835 * Extra controls to be displayed between bulk actions and pagination 836 * 837 * @since 3.1.0 838 * @access protected 839 */ 840 function extra_tablenav( $which ) {} 841 842 /** 843 * Generate the <tbody> part of the table 844 * 845 * @since 3.1.0 846 * @access protected 847 */ 848 function display_rows_or_placeholder() { 849 if ( $this->has_items() ) { 850 $this->display_rows(); 851 } else { 852 list( $columns, $hidden ) = $this->get_column_info(); 853 echo '<tr class="no-items"><td class="colspanchange" colspan="' . $this->get_column_count() . '">'; 854 $this->no_items(); 855 echo '</td></tr>'; 856 } 857 } 858 859 /** 860 * Generate the table rows 861 * 862 * @since 3.1.0 863 * @access protected 864 */ 865 function display_rows() { 866 foreach ( $this->items as $item ) 867 $this->single_row( $item ); 868 } 869 870 /** 871 * Generates content for a single row of the table 872 * 873 * @since 3.1.0 874 * @access protected 875 * 876 * @param object $item The current item 877 */ 878 function single_row( $item ) { 879 static $row_class = ''; 880 $row_class = ( $row_class == '' ? ' class="alternate"' : '' ); 881 882 echo '<tr' . $row_class . '>'; 883 $this->single_row_columns( $item ); 884 echo '</tr>'; 885 } 886 887 /** 888 * Generates the columns for a single row of the table 889 * 890 * @since 3.1.0 891 * @access protected 892 * 893 * @param object $item The current item 894 */ 895 function single_row_columns( $item ) { 896 list( $columns, $hidden ) = $this->get_column_info(); 897 898 foreach ( $columns as $column_name => $column_display_name ) { 899 $class = "class='$column_name column-$column_name'"; 900 901 $style = ''; 902 if ( in_array( $column_name, $hidden ) ) 903 $style = ' style="display:none;"'; 904 905 $attributes = "$class$style"; 906 907 if ( 'cb' == $column_name ) { 908 echo '<th scope="row" class="check-column">'; 909 echo $this->column_cb( $item ); 910 echo '</th>'; 911 } 912 elseif ( method_exists( $this, 'column_' . $column_name ) ) { 913 echo "<td $attributes>"; 914 echo call_user_func( array( $this, 'column_' . $column_name ), $item ); 915 echo "</td>"; 916 } 917 else { 918 echo "<td $attributes>"; 919 echo $this->column_default( $item, $column_name ); 920 echo "</td>"; 921 } 922 } 923 } 924 925 /** 926 * Handle an incoming ajax request (called from admin-ajax.php) 927 * 928 * @since 3.1.0 929 * @access public 930 */ 931 function ajax_response() { 932 $this->prepare_items(); 933 934 extract( $this->_args ); 935 extract( $this->_pagination_args, EXTR_SKIP ); 936 937 ob_start(); 938 if ( ! empty( $_REQUEST['no_placeholder'] ) ) 939 $this->display_rows(); 940 else 941 $this->display_rows_or_placeholder(); 942 943 $rows = ob_get_clean(); 944 945 $response = array( 'rows' => $rows ); 946 947 if ( isset( $total_items ) ) 948 $response['total_items_i18n'] = sprintf( _n( '1 item', '%s items', $total_items ), number_format_i18n( $total_items ) ); 949 950 if ( isset( $total_pages ) ) { 951 $response['total_pages'] = $total_pages; 952 $response['total_pages_i18n'] = number_format_i18n( $total_pages ); 953 } 954 955 die( json_encode( $response ) ); 956 } 957 958 /** 959 * Send required variables to JavaScript land 960 * 961 * @access private 962 */ 963 function _js_vars() { 964 $args = array( 965 'class' => get_class( $this ), 966 'screen' => array( 967 'id' => $this->screen->id, 968 'base' => $this->screen->base, 969 ) 970 ); 971 972 printf( "<script type='text/javascript'>list_args = %s;</script>\n", json_encode( $args ) ); 973 } 974 }
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| Generated: Tue Mar 25 01:41:18 2014 | WordPress honlapkészítés: online1.hu |