X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/177fd6fefd2e3d5a0ea6591c71d660cabdb3c1a4..a5227bf01edbe6660486c9f5c0f0ed7b7fea3130:/wp-admin/widgets.php diff --git a/wp-admin/widgets.php b/wp-admin/widgets.php index 83264e43..d3c401b1 100644 --- a/wp-admin/widgets.php +++ b/wp-admin/widgets.php @@ -1,323 +1,411 @@ - -
follow these instructions.' ); /* TODO: article on codex */; ?>
-' . __('Available Widgets section contains all the widgets you can choose from. Once you drag a widget into a sidebar, it will open to allow you to configure its settings. When you are happy with the widget settings, click the Save button and the widget will go live on your site. If you click Delete, it will remove the widget.') . '
+' . __('If you want to remove the widget but save its setting for possible future use, just drag it into the Inactive Widgets area. You can add them back anytime from there. This is especially helpful when you switch to a theme with fewer or different widget areas.') . '
+' . __('Widgets may be used multiple times. You can give each widget a title, to display on your site, but it’s not required.') . '
+' . __('Enabling Accessibility Mode, via Screen Options, allows you to use Add and Edit buttons instead of using drag and drop.') . '
+' . __('Many themes show some sidebar widgets by default until you edit your sidebars, but they are not automatically displayed in your sidebar management tool. After you make your first widget change, you can re-add the default widgets by adding them from the Available Widgets area.') . '
+'; +$help .= '' . __('For more information:') . '
'; +$help .= '' . __('Widgets Documentation') . '
'; +$help .= '' . __('Support Forums') . '
'; +add_contextual_help($current_screen, $help); + +// register the inactive_widgets area as sidebar +register_sidebar(array( + 'name' => __('Inactive Widgets'), + 'id' => 'wp_inactive_widgets', + 'description' => '', + 'before_widget' => '', + 'after_widget' => '', + 'before_title' => '', + 'after_title' => '', +)); // These are the widgets grouped by sidebar $sidebars_widgets = wp_get_sidebars_widgets(); if ( empty( $sidebars_widgets ) ) $sidebars_widgets = wp_get_widget_defaults(); -// for the sake of PHP warnings -if ( empty( $sidebars_widgets[$sidebar] ) ) - $sidebars_widgets[$sidebar] = array(); - -$http_post = 'post' == strtolower($_SERVER['REQUEST_METHOD']); - -// We're updating a sidebar -if ( $http_post && isset($sidebars_widgets[$_POST['sidebar']]) ) { - check_admin_referer( 'edit-sidebar_' . $_POST['sidebar'] ); - - /* Hack #1 - * The widget_control is overloaded. It updates the widget's options AND echoes out the widget's HTML form. - * Since we want to update before sending out any headers, we have to catch it with an output buffer, - */ - ob_start(); - /* There can be multiple widgets of the same type, but the widget_control for that - * widget type needs only be called once if it's a multi-widget. - */ - $already_done = array(); - - foreach ( $wp_registered_widget_controls as $name => $control ) { - if ( in_array( $control['callback'], $already_done ) ) - continue; - - if ( is_callable( $control['callback'] ) ) { - call_user_func_array( $control['callback'], $control['params'] ); - $control_output = ob_get_contents(); - if ( false !== strpos( $control_output, '%i%' ) ) // if it's a multi-widget, only call control function once. - $already_done[] = $control['callback']; - } +// look for "lost" widgets, this has to run at least on each theme change +function retrieve_widgets() { + global $wp_registered_widget_updates, $wp_registered_sidebars, $sidebars_widgets, $wp_registered_widgets; - ob_clean(); - } - ob_end_clean(); + $_sidebars_widgets = array(); + $sidebars = array_keys($wp_registered_sidebars); - // Prophylactic. Take out empty ids. - foreach ( (array) $_POST['widget-id'] as $key => $val ) - if ( !$val ) - unset($_POST['widget-id'][$key]); + unset( $sidebars_widgets['array_version'] ); - // Reset the key numbering and store - $new_sidebar = isset( $_POST['widget-id'] ) && is_array( $_POST['widget-id'] ) ? array_values( $_POST['widget-id'] ) : array(); - $sidebars_widgets[$_POST['sidebar']] = $new_sidebar; - wp_set_sidebars_widgets( $sidebars_widgets ); + $old = array_keys($sidebars_widgets); + sort($old); + sort($sidebars); - wp_redirect( add_query_arg( 'message', 'updated' ) ); - exit; -} + if ( $old == $sidebars ) + return; + // Move the known-good ones first + foreach ( $sidebars as $id ) { + if ( array_key_exists( $id, $sidebars_widgets ) ) { + $_sidebars_widgets[$id] = $sidebars_widgets[$id]; + unset($sidebars_widgets[$id], $sidebars[$id]); + } + } + // if new theme has less sidebars than the old theme + if ( !empty($sidebars_widgets) ) { + foreach ( $sidebars_widgets as $lost => $val ) { + if ( is_array($val) ) + $_sidebars_widgets['wp_inactive_widgets'] = array_merge( (array) $_sidebars_widgets['wp_inactive_widgets'], $val ); + } + } + // discard invalid, theme-specific widgets from sidebars + $shown_widgets = array(); + foreach ( $_sidebars_widgets as $sidebar => $widgets ) { + if ( !is_array($widgets) ) + continue; -// What widget (if any) are we editing -$edit_widget = -1; + $_widgets = array(); + foreach ( $widgets as $widget ) { + if ( isset($wp_registered_widgets[$widget]) ) + $_widgets[] = $widget; + } + $_sidebars_widgets[$sidebar] = $_widgets; + $shown_widgets = array_merge($shown_widgets, $_widgets); + } -$query_args = array('add', 'remove', 'key', 'edit', '_wpnonce', 'message', 'base' ); + $sidebars_widgets = $_sidebars_widgets; + unset($_sidebars_widgets, $_widgets); -if ( isset($_GET['add']) && $_GET['add'] ) { - // Add to the end of the sidebar - $control_callback; - if ( isset($wp_registered_widgets[$_GET['add']]) ) { - check_admin_referer( "add-widget_$_GET[add]" ); - $sidebars_widgets[$sidebar][] = $_GET['add']; - wp_set_sidebars_widgets( $sidebars_widgets ); - } elseif ( isset($_GET['base']) && isset($_GET['key']) ) { // It's a multi-widget - check_admin_referer( "add-widget_$_GET[add]" ); - // Copy minimal info from an existing instance of this widget to a new instance - foreach ( $wp_registered_widget_controls as $control ) { - if ( $_GET['base'] === $control['id_base'] ) { - $control_callback = $control['callback']; - $num = (int) $_GET['key']; - $control['params'][0]['number'] = $num; - $control['id'] = $control['id_base'] . '-' . $num; - $wp_registered_widget_controls[$control['id']] = $control; - $sidebars_widgets[$sidebar][] = $control['id']; - break; - } - } + // find hidden/lost multi-widget instances + $lost_widgets = array(); + foreach ( $wp_registered_widgets as $key => $val ) { + if ( in_array($key, $shown_widgets, true) ) + continue; + + $number = preg_replace('/.+?-([0-9]+)$/', '$1', $key); + + if ( 2 > (int) $number ) + continue; + + $lost_widgets[] = $key; } - // it's a multi-widget. The only way to add multi-widgets without JS is to actually submit POST content... - // so here we go - if ( is_callable( $control_callback ) ) { - require_once( 'admin-header.php' ); - ?> -