<?php
/**
* Widgets administration panel.
*
* @package WordPress
* @subpackage Administration
*/
/** WordPress Administration Bootstrap */
require_once( 'admin.php' );
/** WordPress Administration Widgets API */
require_once(ABSPATH . 'wp-admin/includes/widgets.php');
if ( ! current_user_can('switch_themes') )
wp_die( __( 'Cheatin’ uh?' ));
wp_admin_css( 'widgets' );
$widgets_access = get_user_setting( 'widgets_access' );
if ( isset($_GET['widgets-access']) ) {
$widgets_access = 'on' == $_GET['widgets-access'] ? 'on' : 'off';
set_user_setting( 'widgets_access', $widgets_access );
}
if ( 'on' == $widgets_access )
add_filter( 'admin_body_class', create_function('', '{return " widgets_access ";}') );
else
wp_enqueue_script('admin-widgets');
do_action( 'sidebar_admin_setup' );
$title = __( 'Widgets' );
$parent_file = 'themes.php';
// 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();
// 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' );
?>
<div class="wrap">
<?php screen_icon(); ?>
<h2><?php echo esc_html( $title ); ?></h2>
<div class="error">
<p><?php _e( 'No Sidebars Defined' ); ?></p>
</div>
<p><?php _e( 'The theme you are currently using isn’t widget-aware, meaning that it has no sidebars that you are able to change. For information on making your theme widget-aware, please <a href="http://codex.wordpress.org/Widgetizing_Themes">follow these instructions</a>.' ); ?></p>
</div>
<?php
require_once( 'admin-footer.php' );
exit;
}
// We're saving a widget without js
if ( isset($_POST['savewidget']) || isset($_POST['removewidget']) ) {
$widget_id = $_POST['widget-id'];
check_admin_referer("save-delete-widget-$widget_id");
$number = isset($_POST['multi_number']) ? (int) $_POST['multi_number'] : '';
if ( $number ) {
foreach ( $_POST as $key => $val ) {
if ( is_array($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' ); ?>
<div class="wrap">
<?php screen_icon(); ?>
<h2><?php echo esc_html( $title ); ?></h2>
<div class="editwidget"<?php echo $width; ?>>
<h3><?php printf( __( 'Widget %s' ), $name ); ?></h3>
<form action="widgets.php" method="post">
<div class="widget-inside">
<?php
if ( is_callable( $control_callback ) )
call_user_func_array( $control_callback, $control['params'] );
else
echo '<p>' . __('There are no options for this widget.') . "</p>\n"; ?>
</div>
<p class="describe"><?php _e('Select both the sidebar for this widget and the position of the widget in that sidebar.'); ?></p>
<div class="widget-position">
<table class="widefat"><thead><tr><th><?php _e('Sidebar'); ?></th><th><?php _e('Position'); ?></th></tr></thead><tbody>
<?php
foreach ( $wp_registered_sidebars as $sbname => $sbvalue ) {
echo "\t\t<tr><td><label><input type='radio' name='sidebar' value='" . esc_attr($sbname) . "'" . checked( $sbname, $sidebar, false ) . " /> $sbvalue[name]</label></td><td>";
if ( 'wp_inactive_widgets' == $sbname ) {
echo ' ';
} else {
if ( !isset($sidebars_widgets[$sbname]) || !is_array($sidebars_widgets[$sbname]) ) {
$j = 1;
$sidebars_widgets[$sbname] = array();
} else {
$j = count($sidebars_widgets[$sbname]);
if ( isset($_GET['addnew']) || !in_array($widget_id, $sidebars_widgets[$sbname], true) )
$j++;
}
$selected = '';
echo "\t\t<select name='{$sbname}_position'>\n";
echo "\t\t<option value=''>" . __('-- select --') . "</option>\n";
for ( $i = 1; $i <= $j; $i++ ) {
if ( in_array($widget_id, $sidebars_widgets[$sbname], true) )
$selected = selected( $i, $key + 1, false );
echo "\t\t<option value='$i'$selected> $i </option>\n";
}
echo "\t\t</select>\n";
}
echo "</td></tr>\n";
} ?>
</tbody></table>
</div>
<div class="widget-control-actions">
<?php if ( isset($_GET['addnew']) ) { ?>
<a href="widgets.php" class="button alignleft"><?php _e('Cancel'); ?></a>
<?php } else { ?>
<input type="submit" name="removewidget" class="button alignleft" value="<?php esc_attr_e('Delete'); ?>" />
<?php } ?>
<input type="submit" name="savewidget" class="button-primary alignright" value="<?php esc_attr_e('Save Widget'); ?>" />
<input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr($widget_id); ?>" />
<input type="hidden" name="id_base" class="id_base" value="<?php echo esc_attr($id_base); ?>" />
<input type="hidden" name="multi_number" class="multi_number" value="<?php echo esc_attr($multi_number); ?>" />
<?php wp_nonce_field("save-delete-widget-$widget_id"); ?>
<br class="clear" />
</div>
</form>
</div>
</div>
<?php
require_once( 'admin-footer.php' );
exit;
}
$messages = array(
__('Changes saved.')
);
$errors = array(
__('Error while saving.'),
__('Error in displaying the widget settings form.')
);
require_once( 'admin-header.php' ); ?>
<div class="wrap">
<?php screen_icon(); ?>
<h2><?php echo esc_html( $title ); ?></h2>
<?php if ( isset($_GET['message']) && isset($messages[$_GET['message']]) ) { ?>
<div id="message" class="updated fade"><p><?php echo $messages[$_GET['message']]; ?></p></div>
<?php } ?>
<?php if ( isset($_GET['error']) && isset($errors[$_GET['error']]) ) { ?>
<div id="message" class="error"><p><?php echo $errors[$_GET['error']]; ?></p></div>
<?php } ?>
<div class="widget-liquid-left">
<div id="widgets-left">
<div id="available-widgets" class="widgets-holder-wrap">
<div class="sidebar-name">
<div class="sidebar-name-arrow"><br /></div>
<h3><?php _e('Available Widgets'); ?> <span id="removing-widget"><?php _e('Deactivate'); ?> <span></span></span></h3></div>
<div class="widget-holder">
<p class="description"><?php _e('Drag widgets from here to a sidebar on the right to activate them. Drag widgets back here to deactivate them and delete their settings.'); ?></p>
<div id="widget-list">
<?php wp_list_widgets(); ?>
</div>
<br class='clear' />
</div>
<br class="clear" />
</div>
<div class="widgets-holder-wrap">
<div class="sidebar-name">
<div class="sidebar-name-arrow"><br /></div>
<h3><?php _e('Inactive Widgets'); ?>
<span><img src="images/wpspin_light.gif" class="ajax-feedback" title="" alt="" /></span></h3></div>
<div class="widget-holder inactive">
<p class="description"><?php _e('Drag widgets here to remove them from the sidebar but keep their settings.'); ?></p>
<?php wp_list_widget_controls('wp_inactive_widgets'); ?>
<br class="clear" />
</div>
</div>
</div>
</div>
<div class="widget-liquid-right">
<div id="widgets-right">
<?php
$i = 0;
foreach ( $wp_registered_sidebars as $sidebar => $registered_sidebar ) {
if ( 'wp_inactive_widgets' == $sidebar )
continue;
$closed = $i ? ' closed' : ''; ?>
<div class="widgets-holder-wrap<?php echo $closed; ?>">
<div class="sidebar-name">
<div class="sidebar-name-arrow"><br /></div>
<h3><?php echo esc_html( $registered_sidebar['name'] ); ?>
<span><img src="images/wpspin_dark.gif" class="ajax-feedback" title="" alt="" /></span></h3></div>
<?php wp_list_widget_controls( $sidebar ); // Show the control forms for each of the widgets in this sidebar ?>
</div>
<?php
$i++;
} ?>
</div>
</div>
<form action="" method="post">
<?php wp_nonce_field( 'save-sidebar-widgets', '_wpnonce_widgets', false ); ?>
</form>
<br class="clear" />
</div>
<?php
do_action( 'sidebar_admin_page' );
require_once( 'admin-footer.php' );