Wordpress/wp-admin/widgets.php

250 lines
7.7 KiB
PHP

<?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&#8217; uh?' ));
wp_enqueue_script('admin-widgets');
wp_admin_css( 'widgets' );
do_action( 'sidebar_admin_setup' );
$title = __( 'Widgets' );
$parent_file = 'themes.php';
// register the inactive_widgets area as sidebar
register_sidebar(array(
'name' => '',
'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 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 the "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 wp_specialchars( $title ); ?></h2>
<div class="error">
<p><?php _e( 'No Sidebars Defined' ); ?></p>
</div>
<p><?php _e( 'The theme you are currently using isn&#8217;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;
}
/*
// Unsanitized!
$widget_search = isset($_GET['s']) ? $_GET['s'] : false;
// Not entirely sure what all should be here
$show_values = array(
'' => $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(
'updated' => __('Changes saved.')
);
require_once( 'admin-header.php' ); ?>
<div class="wrap">
<?php screen_icon(); ?>
<h2><?php echo wp_specialchars( $title ); ?></h2>
<?php if ( isset($_GET['message']) && isset($messages[$_GET['message']]) ) : ?>
<div id="message" class="updated fade"><p><?php echo $messages[$_GET['message']]; ?></p></div>
<?php endif; ?>
<!--
<form id="widgets-filter" action="" method="get">
<div class="widget-liquid-left-holder">
<div id="available-widgets-filter" class="widget-liquid-left">
<h3><label for="show"><?php _e('Available Widgets'); ?></label></h3>
<div class="nav">
<select name="show" id="show">
<?php //foreach ( $show_values as $show_value => $show_text ) : $show_value = attribute_escape( $show_value ); ?>
<option value='<?php //echo $show_value; ?>'<?php //selected( $show_value, $show ); ?>><?php //echo wp_specialchars( $show_text ); ?></option>
<?php //endforeach; ?>
</select>
<input type="submit" value="<?php _e('Show' ); ?>" class="button-secondary" />
<p class="pagenav">
<?php // echo $page_links; ?>
</p>
</div>
</div>
</div>
<div id="available-sidebars" class="widget-liquid-right">
<h3><label for="sidebar-selector"><?php _e('Current Widgets'); ?></label></h3>
<div class="nav">
<select id="sidebar-selector" name="sidebar">
<?php //foreach ( $wp_registered_sidebars as $sidebar_id => $registered_sidebar ) : $sidebar_id = attribute_escape( $sidebar_id ); ?>
<option value='<?php //echo $sidebar_id; ?>'<?php selected( $sidebar_id, $open_sidebar ); ?>><?php //echo wp_specialchars( $registered_sidebar['name'] ); ?></option>
<?php //endforeach; ?>
</select>
<input type="submit" value="<?php _e('Show' ); ?>" class="button-secondary" />
</div>
</div>
</form>
-->
<div class="widget-liquid-left">
<div id="widgets-left">
<div id="available-widgets" class="widgets-holder-wrap">
<h3 class="sidebar-name"><?php _e('Available Widgets'); ?></h3>
<?php wp_list_widgets(); ?>
<br class="clear" />
</div>
<div id="wp_inactive_widgets" class="widgets-holder-wrap">
<h3 class="sidebar-name"><?php _e('Inactive Widgets'); ?>
<span><img src="images/loading-publish.gif" class="ajax-feedback" title="" alt="" /></span></h3>
<?php wp_list_widget_controls('wp_inactive_widgets'); ?>
<br class="clear" />
</div>
</div>
</div>
<!--
<div id="current-widgets-head" class="widget-liquid-right">
<div id="sidebar-info">
<p><?php //echo $sidebar_info_text; ?></p>
<p><?php _e( 'Add more from the Available Widgets section.' ); ?></p>
</div>
</div>
-->
<div class="widget-liquid-right">
<?php
$i = 0;
foreach ( $wp_registered_sidebars as $sidebar => $registered_sidebar ) {
if ( 'wp_inactive_widgets' == $sidebar )
continue;
?>
<div id="<?php echo attribute_escape( $sidebar ); ?>" class="widgets-holder-wrap">
<h3 class="sidebar-name"><?php echo wp_specialchars( $registered_sidebar['name'] ); ?>
<span><img src="images/loading-publish.gif" class="ajax-feedback" title="" alt="" /></span></h3>
<?php wp_list_widget_controls( $sidebar, $i ); // Show the control forms for each of the widgets in this sidebar ?>
</div>
<?php
$i++;
} ?>
</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' );