__('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, $wp_registered_widgets;
$_sidebars_widgets = array();
$sidebars = array_keys($wp_registered_sidebars);
unset( $sidebars_widgets['array_version'] );
$old = array_keys($sidebars_widgets);
sort($old);
sort($sidebars);
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;
$_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);
}
$sidebars_widgets = $_sidebars_widgets;
unset($_sidebars_widgets, $_widgets);
// 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;
}
$sidebars_widgets['wp_inactive_widgets'] = array_merge($lost_widgets, (array) $sidebars_widgets['wp_inactive_widgets']);
wp_set_sidebars_widgets($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.' ); ?>
$val ) {
if ( is_array($val) && preg_match('/__i__|%i%/', key($val)) ) {
$_POST[$key] = array( $number => array_shift($val) );
break;
}
}
}
$sidebar_id = $_POST['sidebar'];
$position = isset($_POST[$sidebar_id . '_position']) ? (int) $_POST[$sidebar_id . '_position'] - 1 : 0;
$id_base = $_POST['id_base'];
$sidebar = isset($sidebars_widgets[$sidebar_id]) ? $sidebars_widgets[$sidebar_id] : array();
// delete
if ( isset($_POST['removewidget']) && $_POST['removewidget'] ) {
if ( !in_array($widget_id, $sidebar, true) ) {
wp_redirect('widgets.php?error=0');
exit;
}
$sidebar = array_diff( $sidebar, array($widget_id) );
$_POST = array('sidebar' => $sidebar_id, 'widget-' . $id_base => array(), 'the-widget-id' => $widget_id, 'delete_widget' => '1');
}
$_POST['widget-id'] = $sidebar;
foreach ( (array) $wp_registered_widget_updates as $name => $control ) {
if ( $name != $id_base || !is_callable($control['callback']) )
continue;
ob_start();
call_user_func_array( $control['callback'], $control['params'] );
ob_end_clean();
break;
}
$sidebars_widgets[$sidebar_id] = $sidebar;
// remove old position
if ( !isset($_POST['delete_widget']) ) {
foreach ( $sidebars_widgets as $key => $sb ) {
if ( is_array($sb) )
$sidebars_widgets[$key] = array_diff( $sb, array($widget_id) );
}
array_splice( $sidebars_widgets[$sidebar_id], $position, 0, $widget_id );
}
wp_set_sidebars_widgets($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'] = -1;
$widget_id = $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 = $control['callback'];
} elseif ( !isset($wp_registered_widget_controls[$widget_id]) && isset($wp_registered_widgets[$widget_id]) ) {
$name = esc_html( strip_tags($wp_registered_widgets[$widget_id]['name']) );
}
if ( !isset($name) )
$name = esc_html( strip_tags($control['name']) );
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
$width = ' style="width:' . max($control['width'], 350) . 'px"';
$key = isset($_GET['key']) ? (int) $_GET['key'] : 0;
require_once( 'admin-header.php' ); ?>