<?php
/**
- * Revisions administration panel.
+ * Revisions administration panel
+ *
+ * Requires wp-admin/includes/revision.php.
*
* @package WordPress
* @subpackage Administration
+ * @since 2.6.0
+ *
+ * @param int revision Optional. The revision ID.
+ * @param string action The action to take.
+ * Accepts 'restore', 'view' or 'edit'.
+ * @param int from The revision to compare from.
+ * @param int to Optional, required if revision missing. The revision to compare to.
*/
/** WordPress Administration Bootstrap */
-require_once('admin.php');
-
-wp_reset_vars(array('revision', 'left', 'right', 'diff', 'action'));
-$revision_id = absint($revision);
-$diff = absint($diff);
-$left = absint($left);
-$right = absint($right);
+require_once( dirname( __FILE__ ) . '/admin.php' );
-$parent_file = $redirect = 'edit.php';
+require ABSPATH . 'wp-admin/includes/revision.php';
-switch ( $action ) :
-case 'delete' : // stubs
-case 'edit' :
- if ( constant('WP_POST_REVISIONS') ) // stub
- $redirect = remove_query_arg( 'action' );
- else // Revisions disabled
- $redirect = 'edit.php';
- break;
-case 'restore' :
- if ( !$revision = wp_get_post_revision( $revision_id ) )
- break;
- if ( !current_user_can( 'edit_post', $revision->post_parent ) )
- break;
- if ( !$post = get_post( $revision->post_parent ) )
- break;
+wp_reset_vars( array( 'revision', 'action', 'from', 'to' ) );
- if ( !constant('WP_POST_REVISIONS') && !wp_is_post_autosave( $revision ) ) // Revisions disabled and we're not looking at an autosave
- break;
+$revision_id = absint( $revision );
- check_admin_referer( "restore-post_$post->ID|$revision->ID" );
+$from = is_numeric( $from ) ? absint( $from ) : null;
+if ( ! $revision_id )
+ $revision_id = absint( $to );
+$redirect = 'edit.php';
- wp_restore_post_revision( $revision->ID );
- $redirect = add_query_arg( array( 'message' => 5, 'revision' => $revision->ID ), get_edit_post_link( $post->ID, 'url' ) );
- break;
-case 'diff' :
- if ( !$left_revision = get_post( $left ) )
- break;
- if ( !$right_revision = get_post( $right ) )
+switch ( $action ) {
+case 'restore' :
+ if ( ! $revision = wp_get_post_revision( $revision_id ) )
break;
- if ( !current_user_can( 'read_post', $left_revision->ID ) || !current_user_can( 'read_post', $right_revision->ID ) )
+ if ( ! current_user_can( 'edit_post', $revision->post_parent ) )
break;
- // If we're comparing a revision to itself, redirect to the 'view' page for that revision or the edit page for that post
- if ( $left_revision->ID == $right_revision->ID ) {
- $redirect = get_edit_post_link( $left_revision->ID );
- include( 'js/revisions-js.php' );
+ if ( ! $post = get_post( $revision->post_parent ) )
break;
- }
- // Don't allow reverse diffs?
- if ( strtotime($right_revision->post_modified_gmt) < strtotime($left_revision->post_modified_gmt) ) {
- $redirect = add_query_arg( array( 'left' => $right, 'right' => $left ) );
+ // Revisions disabled (previously checked autosaves && ! wp_is_post_autosave( $revision ))
+ if ( ! wp_revisions_enabled( $post ) ) {
+ $redirect = 'edit.php?post_type=' . $post->post_type;
break;
}
- if ( $left_revision->ID == $right_revision->post_parent ) // right is a revision of left
- $post =& $left_revision;
- elseif ( $left_revision->post_parent == $right_revision->ID ) // left is a revision of right
- $post =& $right_revision;
- elseif ( $left_revision->post_parent == $right_revision->post_parent ) // both are revisions of common parent
- $post = get_post( $left_revision->post_parent );
- else
- break; // Don't diff two unrelated revisions
-
- if ( !constant('WP_POST_REVISIONS') ) { // Revisions disabled
- if (
- // we're not looking at an autosave
- ( !wp_is_post_autosave( $left_revision ) && !wp_is_post_autosave( $right_revision ) )
- ||
- // we're not comparing an autosave to the current post
- ( $post->ID !== $left_revision->ID && $post->ID !== $right_revision->ID )
- )
- break;
- }
-
- if (
- // They're the same
- $left_revision->ID == $right_revision->ID
- ||
- // Neither is a revision
- ( !wp_get_post_revision( $left_revision->ID ) && !wp_get_post_revision( $right_revision->ID ) )
- )
+ // Don't allow revision restore when post is locked
+ if ( wp_check_post_lock( $post->ID ) )
break;
- $post_title = '<a href="' . get_edit_post_link() . '">' . get_the_title() . '</a>';
- $h2 = sprintf( __( 'Compare Revisions of “%1$s”' ), $post_title );
+ check_admin_referer( "restore-post_{$revision->ID}" );
- $left = $left_revision->ID;
- $right = $right_revision->ID;
-
- $redirect = false;
+ wp_restore_post_revision( $revision->ID );
+ $redirect = add_query_arg( array( 'message' => 5, 'revision' => $revision->ID ), get_edit_post_link( $post->ID, 'url' ) );
break;
case 'view' :
+case 'edit' :
default :
- if ( !$revision = wp_get_post_revision( $revision_id ) )
+ if ( ! $revision = wp_get_post_revision( $revision_id ) )
break;
- if ( !$post = get_post( $revision->post_parent ) )
+ if ( ! $post = get_post( $revision->post_parent ) )
break;
- if ( !current_user_can( 'read_post', $revision->ID ) || !current_user_can( 'read_post', $post->ID ) )
+ if ( ! current_user_can( 'read_post', $revision->ID ) || ! current_user_can( 'read_post', $post->ID ) )
break;
- if ( !constant('WP_POST_REVISIONS') && !wp_is_post_autosave( $revision ) ) // Revisions disabled and we're not looking at an autosave
+ // Revisions disabled and we're not looking at an autosave
+ if ( ! wp_revisions_enabled( $post ) && ! wp_is_post_autosave( $revision ) ) {
+ $redirect = 'edit.php?post_type=' . $post->post_type;
break;
+ }
- $post_title = '<a href="' . get_edit_post_link() . '">' . get_the_title() . '</a>';
- $revision_title = wp_post_revision_title( $revision, false );
- $h2 = sprintf( __( 'Post Revision for “%1$s” created on %2$s' ), $post_title, $revision_title );
-
- // Sets up the diff radio buttons
- $left = $revision->ID;
- $right = $post->ID;
+ $post_edit_link = get_edit_post_link();
+ $post_title = '<a href="' . $post_edit_link . '">' . _draft_or_post_title() . '</a>';
+ $h2 = sprintf( __( 'Compare Revisions of “%1$s”' ), $post_title );
+ $return_to_post = '<a href="' . $post_edit_link . '">' . __( '← Return to post editor' ) . '</a>';
+ $title = __( 'Revisions' );
$redirect = false;
break;
-endswitch;
+}
-if ( !$redirect && !in_array( $post->post_type, array( 'post', 'page' ) ) )
+// Empty post_type means either malformed object found, or no valid parent was found.
+if ( ! $redirect && empty( $post->post_type ) )
$redirect = 'edit.php';
-if ( $redirect ) {
+if ( ! empty( $redirect ) ) {
wp_redirect( $redirect );
exit;
}
-if ( 'page' == $post->post_type ) {
- $submenu_file = 'edit-pages.php';
- $title = __( 'Page Revisions' );
-} else {
- $submenu_file = 'edit.php';
- $title = __( 'Post Revisions' );
-}
-
-require_once( 'admin-header.php' );
-
-?>
-
-<div class="wrap">
-
-<h2 class="long-header"><?php echo $h2; ?></h2>
-
-<table class="form-table ie-fixed">
- <col class="th" />
-<?php if ( 'diff' == $action ) : ?>
-<tr id="revision">
- <th scope="row"></th>
- <th scope="col" class="th-full">
- <span class="alignleft"><?php printf( __('Older: %s'), wp_post_revision_title( $left_revision ) ); ?></span>
- <span class="alignright"><?php printf( __('Newer: %s'), wp_post_revision_title( $right_revision ) ); ?></span>
- </th>
-</tr>
-<?php endif;
-
-// use get_post_to_edit filters?
-$identical = true;
-foreach ( _wp_post_revision_fields() as $field => $field_title ) :
- if ( 'diff' == $action ) {
- $left_content = apply_filters( "_wp_post_revision_field_$field", $left_revision->$field, $field );
- $right_content = apply_filters( "_wp_post_revision_field_$field", $right_revision->$field, $field );
- if ( !$content = wp_text_diff( $left_content, $right_content ) )
- continue; // There is no difference between left and right
- $identical = false;
- } else {
- add_filter( "_wp_post_revision_field_$field", 'htmlspecialchars' );
- $content = apply_filters( "_wp_post_revision_field_$field", $revision->$field, $field );
- }
- ?>
-
- <tr id="revision-field-<?php echo $field; ?>">
- <th scope="row"><?php echo wp_specialchars( $field_title ); ?></th>
- <td><div class="pre"><?php echo $content; ?></div></td>
- </tr>
+// This is so that the correct "Edit" menu item is selected.
+if ( ! empty( $post->post_type ) && 'post' != $post->post_type )
+ $parent_file = $submenu_file = 'edit.php?post_type=' . $post->post_type;
+else
+ $parent_file = $submenu_file = 'edit.php';
- <?php
+wp_enqueue_script( 'revisions' );
+wp_localize_script( 'revisions', '_wpRevisionsSettings', wp_prepare_revisions_for_js( $post, $revision_id, $from ) );
-endforeach;
+/* Revisions Help Tab */
-if ( 'diff' == $action && $identical ) :
+$revisions_overview = '<p>' . __( 'This screen is used for managing your content revisions.' ) . '</p>';
+$revisions_overview .= '<p>' . __( 'Revisions are saved copies of your post or page, which are periodically created as you update your content. The red text on the left shows the content that was removed. The green text on the right shows the content that was added.' ) . '</p>';
+$revisions_overview .= '<p>' . __( 'From this screen you can review, compare, and restore revisions:' ) . '</p>';
+$revisions_overview .= '<ul><li>' . __( 'To navigate between revisions, <strong>drag the slider handle left or right</strong> or <strong>use the Previous or Next buttons</strong>.' ) . '</li>';
+$revisions_overview .= '<li>' . __( 'Compare two different revisions by <strong>selecting the “Compare any two revisions” box</strong> to the side.' ) . '</li>';
+$revisions_overview .= '<li>' . __( 'To restore a revision, <strong>click Restore This Revision</strong>.' ) . '</li></ul>';
- ?>
+get_current_screen()->add_help_tab( array(
+ 'id' => 'revisions-overview',
+ 'title' => __( 'Overview' ),
+ 'content' => $revisions_overview
+) );
- <tr><td colspan="2"><div class="updated"><p><?php _e( 'These revisions are identical.' ); ?></p></div></td></tr>
+$revisions_sidebar = '<p><strong>' . __( 'For more information:' ) . '</strong></p>';
+$revisions_sidebar .= '<p>' . __( '<a href="http://codex.wordpress.org/Revision_Management" target="_blank">Revisions Management</a>' ) . '</p>';
+$revisions_sidebar .= '<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>' ) . '</p>';
- <?php
+get_current_screen()->set_help_sidebar( $revisions_sidebar );
-endif;
+require_once( ABSPATH . 'wp-admin/admin-header.php' );
?>
-</table>
-
-<br class="clear" />
-
-<h2><?php echo $title; ?></h2>
-
-<?php
-
-$args = array( 'format' => 'form-table', 'parent' => true, 'right' => $right, 'left' => $left );
-if ( !constant( 'WP_POST_REVISIONS' ) )
- $args['type'] = 'autosave';
-
-wp_list_post_revisions( $post, $args );
+<div class="wrap">
+ <h2 class="long-header"><?php echo $h2; ?></h2>
+ <?php echo $return_to_post; ?>
+</div>
-?>
+<script id="tmpl-revisions-frame" type="text/html">
+ <div class="revisions-control-frame"></div>
+ <div class="revisions-diff-frame"></div>
+</script>
+
+<script id="tmpl-revisions-buttons" type="text/html">
+ <div class="revisions-previous">
+ <input class="button" type="button" value="<?php echo esc_attr_x( 'Previous', 'Button label for a previous revision' ); ?>" />
+ </div>
+
+ <div class="revisions-next">
+ <input class="button" type="button" value="<?php echo esc_attr_x( 'Next', 'Button label for a next revision' ); ?>" />
+ </div>
+</script>
+
+<script id="tmpl-revisions-checkbox" type="text/html">
+ <div class="revision-toggle-compare-mode">
+ <label>
+ <input type="checkbox" class="compare-two-revisions"
+ <#
+ if ( 'undefined' !== typeof data && data.model.attributes.compareTwoMode ) {
+ #> checked="checked"<#
+ }
+ #>
+ />
+ <?php esc_attr_e( 'Compare any two revisions' ); ?>
+ </label>
+ </div>
+</script>
+
+<script id="tmpl-revisions-meta" type="text/html">
+ <# if ( ! _.isUndefined( data.attributes ) ) { #>
+ <div class="diff-title">
+ <# if ( 'from' === data.type ) { #>
+ <strong><?php _ex( 'From:', 'Followed by post revision info' ); ?></strong>
+ <# } else if ( 'to' === data.type ) { #>
+ <strong><?php _ex( 'To:', 'Followed by post revision info' ); ?></strong>
+ <# } #>
+ <div class="author-card<# if ( data.attributes.autosave ) { #> autosave<# } #>">
+ {{{ data.attributes.author.avatar }}}
+ <div class="author-info">
+ <# if ( data.attributes.autosave ) { #>
+ <span class="byline"><?php printf( __( 'Autosave by %s' ),
+ '<span class="author-name">{{ data.attributes.author.name }}</span>' ); ?></span>
+ <# } else if ( data.attributes.current ) { #>
+ <span class="byline"><?php printf( __( 'Current Revision by %s' ),
+ '<span class="author-name">{{ data.attributes.author.name }}</span>' ); ?></span>
+ <# } else { #>
+ <span class="byline"><?php printf( __( 'Revision by %s' ),
+ '<span class="author-name">{{ data.attributes.author.name }}</span>' ); ?></span>
+ <# } #>
+ <span class="time-ago">{{ data.attributes.timeAgo }}</span>
+ <span class="date">({{ data.attributes.dateShort }})</span>
+ </div>
+ <# if ( 'to' === data.type && data.attributes.restoreUrl ) { #>
+ <input <?php if ( wp_check_post_lock( $post->ID ) ) { ?>
+ disabled="disabled"
+ <?php } else { ?>
+ <# if ( data.attributes.current ) { #>
+ disabled="disabled"
+ <# } #>
+ <?php } ?>
+ <# if ( data.attributes.autosave ) { #>
+ type="button" class="restore-revision button button-primary" value="<?php esc_attr_e( 'Restore This Autosave' ); ?>" />
+ <# } else { #>
+ type="button" class="restore-revision button button-primary" value="<?php esc_attr_e( 'Restore This Revision' ); ?>" />
+ <# } #>
+ <# } #>
+ </div>
+ <# if ( 'tooltip' === data.type ) { #>
+ <div class="revisions-tooltip-arrow"><span></span></div>
+ <# } #>
+<# } #>
+</script>
+
+<script id="tmpl-revisions-diff" type="text/html">
+ <div class="loading-indicator"><span class="spinner"></span></div>
+ <div class="diff-error"><?php _e( 'Sorry, something went wrong. The requested comparison could not be loaded.' ); ?></div>
+ <div class="diff">
+ <# _.each( data.fields, function( field ) { #>
+ <h3>{{ field.name }}</h3>
+ {{{ field.diff }}}
+ <# }); #>
+ </div>
+</script>
-</div>
<?php
-
-require_once( 'admin-footer.php' );
+require_once( ABSPATH . 'wp-admin/admin-footer.php' );
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