source: trunk/www.guidonia.net/wp/wp-admin/page.php@ 44

<?php
/**
 * Edit page administration panel.
 *
 * Manage edit page: post, edit, delete, etc.
 *
 * @package WordPress
 * @subpackage Administration
 */

/** WordPress Administration Bootstrap */
require_once('admin.php');

$parent_file = 'edit-pages.php';
$submenu_file = 'edit-pages.php';

wp_reset_vars(array('action'));

/**
 * Redirect to previous page.
 *
 * @param int $page_ID Page ID.
 */
function redirect_page($page_ID) {
        global $action;

        $referredby = '';
        if ( !empty($_POST['referredby']) ) {
                $referredby = preg_replace('|https?://[^/]+|i', '', $_POST['referredby']);
                $referredby = remove_query_arg('_wp_original_http_referer', $referredby);
        }
        $referer = preg_replace('|https?://[^/]+|i', '', wp_get_referer());

        if ( 'post' == $_POST['originalaction'] && !empty($_POST['mode']) && 'bookmarklet' == $_POST['mode'] ) {
                $location = $_POST['referredby'];
        } elseif ( 'post' == $_POST['originalaction'] && !empty($_POST['mode']) && 'sidebar' == $_POST['mode'] ) {
                $location = 'sidebar.php?a=b';
        } elseif ( ( isset($_POST['save']) || isset($_POST['publish']) ) ) {
                if ( isset( $_POST['publish'] ) ) {
                        if ( 'pending' == get_post_status( $page_ID ) )
                                $location = add_query_arg( 'message', 6, get_edit_post_link( $page_ID, 'url' ) );
                        else
                                $location = add_query_arg( 'message', 5, get_edit_post_link( $page_ID, 'url' ) );
                } else {
                        $location = add_query_arg( 'message', 1, get_edit_post_link( $page_ID, 'url' ) );
                }
        } elseif ( isset($_POST['addmeta']) ) {
                $location = add_query_arg( 'message', 2, wp_get_referer() );
                $location = explode('#', $location);
                $location = $location[0] . '#postcustom';
        } elseif ( isset($_POST['deletemeta']) ) {
                $location = add_query_arg( 'message', 3, wp_get_referer() );
                $location = explode('#', $location);
                $location = $location[0] . '#postcustom';
        } elseif ($action == 'editattachment') {
                $location = 'attachments.php';
        } else {
                $location = add_query_arg( 'message', 1, get_edit_post_link( $page_ID, 'url' ) );
        }

        wp_redirect($location);
}

if (isset($_POST['deletepost']))
        $action = "delete";
elseif ( isset($_POST['wp-preview']) && 'dopreview' == $_POST['wp-preview'] )
        $action = 'preview';

switch($action) {
case 'post':
        check_admin_referer('add-page');
        $page_ID = write_post();

        redirect_page($page_ID);

        exit();
        break;

case 'edit':
        $title = __('Edit Page');
        $editing = true;
        $page_ID = $post_ID = $p = (int) $_GET['post'];
        $post = get_post_to_edit($page_ID);

        if ( empty($post->ID) ) wp_die( __('You attempted to edit a page that doesn&#8217;t exist. Perhaps it was deleted?') );

        if ( 'page' != $post->post_type ) {
                wp_redirect( get_edit_post_link( $post_ID, 'url' ) );
                exit();
        }

        wp_enqueue_script('page');
        if ( user_can_richedit() )
                wp_enqueue_script('editor');
        add_thickbox();
        wp_enqueue_script('media-upload');
        wp_enqueue_script('word-count');

        if ( current_user_can('edit_page', $page_ID) ) {
                if ( $last = wp_check_post_lock( $post->ID ) ) {
                        $last_user = get_userdata( $last );
                        $last_user_name = $last_user ? $last_user->display_name : __('Somebody');
                        $message = sprintf( __( 'Warning: %s is currently editing this page' ), esc_html( $last_user_name ) );
                        $message = str_replace( "'", "\'", "<div class='error'><p>$message</p></div>" );
                        add_action('admin_notices', create_function( '', "echo '$message';" ) );
                } else {
                        wp_set_post_lock( $post->ID );
                        wp_enqueue_script('autosave');
                }
        }

        if ( !current_user_can('edit_page', $page_ID) )
                die ( __('You are not allowed to edit this page.') );

        include('edit-page-form.php');
        break;

case 'editattachment':
        $page_id = $post_ID = (int) $_POST['post_ID'];
        check_admin_referer('update-attachment_' . $page_id);

        // Don't let these be changed
        unset($_POST['guid']);
        $_POST['post_type'] = 'attachment';

        // Update the thumbnail filename
        $newmeta = wp_get_attachment_metadata( $page_id, true );
        $newmeta['thumb'] = $_POST['thumb'];

        wp_update_attachment_metadata( $newmeta );

case 'editpost':
        $page_ID = (int) $_POST['post_ID'];
        check_admin_referer('update-page_' . $page_ID);

        $page_ID = edit_post();

        redirect_page($page_ID);

        exit();
        break;

case 'delete':
        $page_id = (isset($_GET['post']))  ? intval($_GET['post']) : intval($_POST['post_ID']);
        check_admin_referer('delete-page_' .  $page_id);

        $page = & get_post($page_id);

        if ( !current_user_can('delete_page', $page_id) )
                wp_die( __('You are not allowed to delete this page.') );

        if ( $page->post_type == 'attachment' ) {
                if ( ! wp_delete_attachment($page_id) )
                        wp_die( __('Error in deleting...') );
        } else {
                if ( !wp_delete_post($page_id) )
                        wp_die( __('Error in deleting...') );
        }

        $sendback = wp_get_referer();
        if (strpos($sendback, 'page.php') !== false) $sendback = admin_url('edit-pages.php?deleted=1');
        elseif (strpos($sendback, 'attachments.php') !== false) $sendback = admin_url('attachments.php');
        else $sendback = add_query_arg('deleted', 1, $sendback);
        wp_redirect($sendback);
        exit();
        break;

case 'preview':
        check_admin_referer( 'autosave', 'autosavenonce' );

        $url = post_preview();

        wp_redirect($url);
        exit();
        break;

default:
        wp_redirect('edit-pages.php');
        exit();
        break;
} // end switch
include('admin-footer.php');
?>