Source
File: wp-admin/includes/post.php
function _admin_notice_post_locked() {
$post = get_post();
if ( ! $post ) {
return;
}
$user = null;
$user_id = wp_check_post_lock( $post->ID );
if ( $user_id ) {
$user = get_userdata( $user_id );
}
if ( $user ) {
/**
* Filters whether to show the post locked dialog.
*
* Returning false from the filter will prevent the dialog from being displayed.
*
* @since 3.6.0
*
* @param bool $display Whether to display the dialog. Default true.
* @param WP_Post $post Post object.
* @param WP_User $user The user with the lock for the post.
*/
if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) {
return;
}
$locked = true;
} else {
$locked = false;
}
$sendback = wp_get_referer();
if ( $locked && $sendback && false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) {
$sendback_text = __( 'Go back' );
} else {
$sendback = admin_url( 'edit.php' );
if ( 'post' !== $post->post_type ) {
$sendback = add_query_arg( 'post_type', $post->post_type, $sendback );
}
$sendback_text = get_post_type_object( $post->post_type )->labels->all_items;
}
$hidden = $locked ? '' : ' hidden';
?>
<div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>">
<div class="notification-dialog-background"></div>
<div class="notification-dialog">
<?php
if ( $locked ) {
$query_args = array();
if ( get_post_type_object( $post->post_type )->public ) {
if ( 'publish' === $post->post_status || $user->ID != $post->post_author ) {
// Latest content is in autosave.
$nonce = wp_create_nonce( 'post_preview_' . $post->ID );
$query_args['preview_id'] = $post->ID;
$query_args['preview_nonce'] = $nonce;
}
}
$preview_link = get_preview_post_link( $post->ID, $query_args );
/**
* Filters whether to allow the post lock to be overridden.
*
* Returning false from the filter will disable the ability
* to override the post lock.
*
* @since 3.6.0
*
* @param bool $override Whether to allow the post lock to be overridden. Default true.
* @param WP_Post $post Post object.
* @param WP_User $user The user with the lock for the post.
*/
$override = apply_filters( 'override_post_lock', true, $post, $user );
$tab_last = $override ? '' : ' wp-tab-last';
?>
<div class="post-locked-message">
<div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div>
<p class="currently-editing wp-tab-first" tabindex="0">
<?php
if ( $override ) {
/* translators: %s: User's display name. */
printf( __( '%s is already editing this post. Do you want to take over?' ), esc_html( $user->display_name ) );
} else {
/* translators: %s: User's display name. */
printf( __( '%s is already editing this post.' ), esc_html( $user->display_name ) );
}
?>
</p>
<?php
/**
* Fires inside the post locked dialog before the buttons are displayed.
*
* @since 3.6.0
* @since 5.4.0 The $user parameter was added.
*
* @param WP_Post $post Post object.
* @param WP_User $user The user with the lock for the post.
*/
do_action( 'post_locked_dialog', $post, $user );
?>
<p>
<a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a>
<?php if ( $preview_link ) { ?>
<a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e( 'Preview' ); ?></a>
<?php
}
// Allow plugins to prevent some users overriding the post lock.
if ( $override ) {
?>
<a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', wp_nonce_url( get_edit_post_link( $post->ID, 'url' ), 'lock-post_' . $post->ID ) ) ); ?>"><?php _e( 'Take over' ); ?></a>
<?php
}
?>
</p>
</div>
<?php
} else {
?>
<div class="post-taken-over">
<div class="post-locked-avatar"></div>
<p class="wp-tab-first" tabindex="0">
<span class="currently-editing"></span><br />
<span class="locked-saving hidden"><img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" width="16" height="16" alt="" /> <?php _e( 'Saving revision…' ); ?></span>
<span class="locked-saved hidden"><?php _e( 'Your latest changes were saved as a revision.' ); ?></span>
</p>
<?php
/**
* Fires inside the dialog displayed when a user has lost the post lock.
*
* @since 3.6.0
*
* @param WP_Post $post Post object.
*/
do_action( 'post_lock_lost_dialog', $post );
?>
<p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p>
</div>
<?php
}
?>
</div>
</div>
<?php
}