WordPress/wp-admin/includes/internal-linking.php

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<?php
/**
* Internal linking functions.
*
* @package WordPress
* @subpackage Administration
* @since 3.1.0
*/
/**
* Performs post queries for internal linking.
*
* @since 3.1.0
*
* @param array $args Optional. Accepts 'pagenum' and 's' (search) arguments.
* @return array Results.
*/
function wp_link_query( $args = array() ) {
$pts = get_post_types( array( 'public' => true ), 'objects' );
$pt_names = array_keys( $pts );
$query = array(
'post_type' => $pt_names,
'suppress_filters' => true,
'update_post_term_cache' => false,
'update_post_meta_cache' => false,
'post_status' => 'publish',
'order' => 'DESC',
'orderby' => 'post_date',
'posts_per_page' => 20,
);
$args['pagenum'] = isset( $args['pagenum'] ) ? absint( $args['pagenum'] ) : 1;
if ( isset( $args['s'] ) )
$query['s'] = $args['s'];
$query['offset'] = $args['pagenum'] > 1 ? $query['posts_per_page'] * ( $args['pagenum'] - 1 ) : 0;
// Do main query.
$get_posts = new WP_Query;
$posts = $get_posts->query( $query );
// Check if any posts were found.
if ( ! $get_posts->post_count )
return false;
// Build results.
$results = array();
foreach ( $posts as $post ) {
if ( 'post' == $post->post_type )
$info = mysql2date( __( 'Y/m/d' ), $post->post_date );
else
$info = $pts[ $post->post_type ]->labels->singular_name;
$results[] = array(
'ID' => $post->ID,
'title' => trim( esc_html( strip_tags( get_the_title( $post ) ) ) ),
'permalink' => get_permalink( $post->ID ),
'info' => $info,
);
}
return $results;
}
/**
* Dialog for internal linking.
*
* @since 3.1.0
*/
function wp_link_dialog() {
?>
<form id="wp-link" tabindex="-1">
<?php wp_nonce_field( 'internal-linking', '_ajax_linking_nonce', false ); ?>
<div id="link-selector">
<div id="link-options">
<p class="howto"><?php _e( 'Enter the destination URL' ); ?></p>
<div>
<label><span><?php _e( 'URL' ); ?></span><input id="url-field" type="text" tabindex="10" name="href" /></label>
</div>
<div>
<label><span><?php _e( 'Title' ); ?></span><input id="link-title-field" type="text" tabindex="20" name="linktitle" /></label>
</div>
<div class="link-target">
<label><input type="checkbox" id="link-target-checkbox" tabindex="30" /> <?php _e( 'Open link in a new window/tab' ); ?></label>
</div>
</div>
<?php $show_internal = '1' == get_user_setting( 'wplink', '0' ); ?>
<p class="howto toggle-arrow <?php if ( $show_internal ) echo 'toggle-arrow-active'; ?>" id="internal-toggle"><?php _e( 'Or link to existing content' ); ?></p>
<div id="search-panel"<?php if ( ! $show_internal ) echo ' style="display:none"'; ?>>
<div class="link-search-wrapper">
<label>
<span><?php _e( 'Search' ); ?></span>
<input type="text" id="search-field" class="link-search-field" tabindex="60" autocomplete="off" />
<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
</label>
</div>
<div id="search-results" class="query-results">
<ul></ul>
<div class="river-waiting">
<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
</div>
</div>
<div id="most-recent-results" class="query-results">
<div class="query-notice"><em><?php _e( 'No search term specified. Showing recent items.' ); ?></em></div>
<ul></ul>
<div class="river-waiting">
<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
</div>
</div>
</div>
</div>
<div class="submitbox">
<div id="wp-link-cancel">
<a class="submitdelete deletion" href="#"><?php _e( 'Cancel' ); ?></a>
</div>
<div id="wp-link-update">
<?php submit_button( __('Update'), 'primary', 'wp-link-submit', false, array('tabindex' => 100)); ?>
</div>
</div>
</form>
<?php
}
?>