wp-admin/includes/internal-linking.php

   1 <?php
   2 /**
   3  * Internal linking functions.
   4  *
   5  * @package WordPress
   6  * @subpackage Administration
   7  * @since 3.1.0
   8  */
   9
  10 /**
  11  * Performs post queries for internal linking.
  12  *
  13  * @since 3.1.0
  14  *
  15  * @param array $args Optional. Accepts 'pagenum' and 's' (search) arguments.
  16  * @return array Results.
  17  */
  18 function wp_link_query( $args = array() ) {
  19         $pts = get_post_types( array( 'publicly_queryable' => true ), 'objects' );
  20         $pt_names = array_keys( $pts );
  21
  22         $query = array(
  23                 'post_type' => $pt_names,
  24                 'suppress_filters' => true,
  25                 'update_post_term_cache' => false,
  26                 'update_post_meta_cache' => false,
  27                 'post_status' => 'publish',
  28                 'order' => 'DESC',
  29                 'orderby' => 'post_date',
  30                 'posts_per_page' => 20,
  31         );
  32
  33         $args['pagenum'] = isset( $args['pagenum'] ) ? absint( $args['pagenum'] ) : 1;
  34
  35         if ( isset( $args['s'] ) )
  36                 $query['s'] = $args['s'];
  37
  38         $query['offset'] = $args['pagenum'] > 1 ? $query['posts_per_page'] * ( $args['pagenum'] - 1 ) : 0;
  39
  40         // Do main query.
  41         $get_posts = new WP_Query;
  42         $posts = $get_posts->query( $query );
  43         // Check if any posts were found.
  44         if ( ! $get_posts->post_count )
  45                 return false;
  46
  47         // Build results.
  48         $results = array();
  49         foreach ( $posts as $post ) {
  50                 if ( 'post' == $post->post_type )
  51                         $info = mysql2date( __( 'Y/m/d' ), $post->post_date );
  52                 else
  53                         $info = $pts[ $post->post_type ]->labels->singular_name;
  54
  55                 $results[] = array(
  56                         'ID' => $post->ID,
  57                         'title' => trim( esc_html( strip_tags( get_the_title( $post ) ) ) ),
  58                         'permalink' => get_permalink( $post->ID ),
  59                         'info' => $info,
  60                 );
  61         }
  62
  63         return $results;
  64 }
  65
  66 /**
  67  * Dialog for internal linking.
  68  *
  69  * @since 3.1.0
  70  */
  71 function wp_link_dialog() {
  72 ?>
  73 <form id="wp-link" tabindex="-1">
  74 <?php wp_nonce_field( 'internal-linking', '_ajax_linking_nonce', false ); ?>
  75 <div id="link-selector">
  76         <div id="link-options">
  77                 <p class="howto"><?php _e( 'Enter the destination URL' ); ?></p>
  78                 <div>
  79                         <label for="url-field"><span><?php _e( 'URL' ); ?></span><input id="url-field" type="text" tabindex="10" autocomplete="off" /></label>
  80                 </div>
  81                 <div>
  82                         <label for="link-title-field"><span><?php _e( 'Title' ); ?></span><input id="link-title-field" type="text" tabindex="20" autocomplete="off" /></label>
  83                 </div>
  84                 <div class="link-target">
  85                         <label for="link-target-checkbox"><input type="checkbox" id="link-target-checkbox" tabindex="30" /> <?php _e( 'Open link in a new window/tab' ); ?></label>
  86                 </div>
  87         </div>
  88         <?php $show_internal = '1' == get_user_setting( 'wplink', '0' ); ?>
  89         <p class="howto toggle-arrow <?php if ( $show_internal ) echo 'toggle-arrow-active'; ?>" id="internal-toggle"><?php _e( 'Or link to existing content' ); ?></p>
  90         <div id="search-panel"<?php if ( ! $show_internal ) echo ' style="display:none"'; ?>>
  91                 <div class="link-search-wrapper">
  92                         <label for="search-field">
  93                                 <span><?php _e( 'Search' ); ?></span>
  94                                 <input type="text" id="search-field" class="link-search-field" tabindex="60" autocomplete="off" />
  95                                 <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
  96                         </label>
  97                 </div>
  98                 <div id="search-results" class="query-results">
  99                         <ul></ul>
 100                         <div class="river-waiting">
 101                                 <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 102                         </div>
 103                 </div>
 104                 <div id="most-recent-results" class="query-results">
 105                         <div class="query-notice"><em><?php _e( 'No search term specified. Showing recent items.' ); ?></em></div>
 106                         <ul></ul>
 107                         <div class="river-waiting">
 108                                 <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 109                         </div>
 110                 </div>
 111         </div>
 112 </div>
 113 <div class="submitbox">
 114         <div id="wp-link-cancel">
 115                 <a class="submitdelete deletion" href="#"><?php _e( 'Cancel' ); ?></a>
 116         </div>
 117         <div id="wp-link-update">
 118                 <?php submit_button( __('Update'), 'primary', 'wp-link-submit', false, array('tabindex' => 100)); ?>
 119         </div>
 120 </div>
 121 </form>
 122 <?php
 123 }
 124 ?>