__('Inactive Widgets'),
'id' => 'wp_inactive_widgets',
'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();
// 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;
$_sidebars_widgets = array();
$sidebars = array_keys($wp_registered_sidebars);
$diff = array_diff( array_keys($sidebars_widgets), $sidebars );
if ( empty($diff) )
return;
unset( $sidebars_widgets['array_version'] );
// 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]);
}
}
// Assign to each unmatched registered sidebar the first available orphan
while ( ( $sidebar = array_shift( $sidebars ) ) && $widgets = array_shift( $sidebars_widgets ) )
$_sidebars_widgets[ $sidebar ] = $widgets;
// if new theme has less sidebars than the old theme
if ( !empty($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 );
}
}
$sidebars_widgets = $_sidebars_widgets;
unset($_sidebars_widgets);
// find hidden/lost multi-widget instances
$shown_widgets = array();
foreach ( $sidebars_widgets as $sidebar ) {
if ( is_array($sidebar) )
$shown_widgets = array_merge($shown_widgets, $sidebar);
}
$all_widgets = array();
foreach ( $wp_registered_widget_updates as $key => $val ) {
if ( isset($val['id_base']) )
$all_widgets[] = $val['id_base'];
else
$all_widgets[] = $key;
}
$all_widgets = array_unique($all_widgets);
$lost_widgets = array();
foreach ( $all_widgets as $name ) {
$data = get_option( str_replace('-', '_', "widget_$name") );
if ( is_array($data) ) {
foreach ( $data as $num => $value ) {
if ( !is_numeric($num) ) // skip single widgets, some don't delete their settings
continue;
if ( is_array($value) && !in_array("$name-$num", $shown_widgets, true) )
$lost_widgets[] = "$name-$num";
}
}
}
$sidebars_widgets['wp_inactive_widgets'] = array_merge($lost_widgets, (array) $sidebars_widgets['wp_inactive_widgets']);
$sidebars_widgets['array_version'] = 3;
wp_set_sidebars_widgets($sidebars_widgets);
}
retrieve_widgets();
if ( count($wp_registered_sidebars) == 1 ) {
// If only "wp_inactive_widgets" is defined the theme has no sidebars, die.
require_once( 'admin-header.php' );
?>
follow these instructions.' ); ?>
$control ) {
if ( $name != $id_base || !is_callable($control['callback']) )
continue;
if ( $number ) {
// don't delete other instances of the same multi-widget
foreach ( $sidebar as $_widget_id ) {
if ( isset($wp_registered_widgets[$_widget_id]['params'][0]['number']) )
unset($wp_registered_widgets[$_widget_id]['params'][0]['number']);
}
$widget_id = "$id_base-$number";
}
ob_start();
call_user_func_array( $control['callback'], $control['params'] );
ob_end_clean();
// remove old position
$sidebar = array_diff( $sidebar, array($widget_id) );
foreach ( $sidebars_widgets as $key => $sb ) {
if ( is_array($sb) && in_array($widget_id, $sb, true) )
$sidebars_widgets[$key] = array_diff( $sb, array($widget_id) );
}
array_splice( $sidebar, $position, 0, $widget_id );
break;
}
}
$sidebars_widgets[$sidebar_id] = $sidebar;
wp_set_sidebars_widgets($sidebars_widgets);
wp_redirect('widgets.php?message=0');
exit;
}
// Output the widget form without js
if ( isset($_GET['editwidget']) && $_GET['editwidget'] ) {
$widget_id = $_GET['editwidget'];
if ( isset($_GET['addnew']) ) {
// Default to the first sidebar
$sidebar = array_shift( $keys = array_keys($wp_registered_sidebars) );
if ( isset($_GET['base']) && isset($_GET['num']) ) { // multi-widget
// 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'];
$multi_number = (int) $_GET['num'];
$control['params'][0]['number'] = $multi_number;
$control['id'] = $control['id_base'] . '-' . $multi_number;
$wp_registered_widget_controls[$control['id']] = $control;
break;
}
}
}
}
if ( isset($wp_registered_widget_controls[$widget_id]) && !isset($control) ) {
$control = $wp_registered_widget_controls[$widget_id];
$control_callback = $control['callback'];
}
if ( !isset($sidebar) )
$sidebar = isset($_GET['sidebar']) ? $_GET['sidebar'] : 'wp_inactive_widgets';
if ( !isset($multi_number) )
$multi_number = isset($control['params'][0]['number']) ? $control['params'][0]['number'] : '';
$id_base = isset($control['id_base']) ? $control['id_base'] : $control['id'];
// show the widget form
if ( is_callable( $control_callback ) ) {
$width = ' style="width:' . max($control['width'], 350) . 'px"';
$key = isset($_GET['key']) ? (int) $_GET['key'] : 0;
require_once( 'admin-header.php' ); ?>
$widget_search ? __( 'Show any widgets' ) : __( 'Show all widgets' ),
'unused' => __( 'Show unused widgets' ),
'used' => __( 'Show used widgets' )
);
$show = isset($_GET['show']) && isset($show_values[$_GET['show']]) ? attribute_escape( $_GET['show'] ) : false;
*/
$messages = array(
__('Changes saved.')
);
$errors = array(
__('Error while saving.'),
__('Error in displaying the widget settings form.')
);
require_once( 'admin-header.php' ); ?>
$registered_sidebar ) {
if ( 'wp_inactive_widgets' == $sidebar )
continue; ?>