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   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  ?>