WordPress/wp-admin/widgets.php

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<?php
require_once 'admin.php';
wp_enqueue_script( 'scriptaculous-effects' );
wp_enqueue_script( 'scriptaculous-dragdrop' );
wp_register_script( 'widgets-admin', '/wp-admin/widgets.js.php', array( 'scriptaculous-effects', 'scriptaculous-dragdrop' ), '1.0' );
wp_enqueue_script( 'widgets-admin' );
function wp_widgets_admin_head() {
global $wp_registered_sidebars, $wp_registered_widgets;
define( 'WP_WIDGETS_WIDTH', 1 + 262 * ( count( $wp_registered_sidebars ) ) );
define( 'WP_WIDGETS_HEIGHT', 35 * ( count( $wp_registered_widgets ) ) );
?>
<style type="text/css">
<?php include dirname( __FILE__ ) . '/widgets.css'; ?>
</style>
<?php
}
add_action( 'admin_head', 'wp_widgets_admin_head' );
do_action( 'sidebar_admin_setup' );
function wp_widget_draggable( $name ) {
global $wp_registered_widgets, $wp_registered_widget_controls;
if ( !isset( $wp_registered_widgets[$name] ) ) {
return;
}
$sanitized_name = sanitize_title( $wp_registered_widgets[$name]['id'] );
$link_title = __( 'Configure' );
$popper = ( isset( $wp_registered_widget_controls[$name] ) )
? ' <div class="popper" id="' . $sanitized_name . 'popper" title="' . $link_title . '">&#8801;</div>'
: '';
$output = '<li class="module" id="widgetprefix-%1$s"><span class="handle">%2$s</span></li>';
printf( $output, $sanitized_name, $wp_registered_widgets[$name]['name'] . $popper );
}
$title = __( 'Widgets' );
$parent_file = 'themes.php';
require_once 'admin-header.php';
if ( count( $wp_registered_sidebars ) < 1 ) {
?>
<div class="wrap">
<h2><?php _e( 'No Sidebars Defined' ); ?></h2>
<p><?php _e( 'You are seeing this message because 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://andy.wordpress.com/widgets/get-ready">follow these instructions</a>.' ); /* TODO: article on codex */; ?></p>
</div>
<?php
require_once 'admin-footer.php';
exit;
}
$sidebars_widgets = wp_get_sidebars_widgets();
if ( empty( $sidebars_widgets ) ) {
$sidebars_widgets = wp_get_widget_defaults();
}
if ( isset( $_POST['action'] ) ) {
check_admin_referer( 'widgets-save-widget-order' );
switch ( $_POST['action'] ) {
case 'default' :
$sidebars_widgets = wp_get_widget_defaults();
wp_set_sidebars_widgets( $sidebars_widgets );
break;
case 'save_widget_order' :
$sidebars_widgets = array();
foreach ( $wp_registered_sidebars as $index => $sidebar ) {
$postindex = $index . 'order';
parse_str( $_POST[$postindex], $order );
$new_order = $order[$index];
if ( is_array( $new_order ) ) {
foreach ( $new_order as $sanitized_name ) {
foreach ( $wp_registered_widgets as $name => $widget ) {
if ( $sanitized_name == $widget['id'] ) {
$sidebars_widgets[$index][] = $name;
}
}
}
}
}
wp_set_sidebars_widgets( $sidebars_widgets );
break;
}
}
ksort( $wp_registered_widgets );
$inactive_widgets = array();
foreach ( $wp_registered_widgets as $name => $widget ) {
$is_active = false;
foreach ( $wp_registered_sidebars as $index => $sidebar ) {
if ( is_array( $sidebars_widgets[$index] ) && in_array( $name, $sidebars_widgets[$index] ) ) {
$is_active = true;
break;
}
}
if ( !$is_active ) {
$inactive_widgets[] = $name;
}
}
$containers = array( 'palette' );
foreach ( $wp_registered_sidebars as $index => $sidebar ) {
$containers[] = $index;
}
$c_string = '';
foreach ( $containers as $container ) {
$c_string .= '"' . $container . '",';
}
$c_string = substr( $c_string, 0, -1 );
if ( isset( $_POST['action'] ) ) {
?>
<div class="fade updated" id="message">
<p><?php printf( __( 'Sidebar updated. <a href="%s">View site &raquo;</a>' ), get_bloginfo( 'url' ) . '/' ); ?></p>
</div>
<?php
}
?>
<div class="wrap">
<h2><?php _e( 'Sidebar Arrangement' ); ?></h2>
<p><?php _e( 'You can drag and drop widgets onto your sidebar below.' ); ?></p>
<form id="sbadmin" method="post" onsubmit="serializeAll();">
<div id="zones">
<?php
foreach ( $wp_registered_sidebars as $index => $sidebar ) {
?>
<input type="hidden" id="<?php echo $index; ?>order" name="<?php echo $index; ?>order" value="" />
<div class="dropzone">
<h3><?php echo $sidebar['name']; ?></h3>
<div id="<?php echo $index; ?>placematt" class="module placematt">
<span class="handle">
<h4><?php _e( 'Default Sidebar' ); ?></h4>
<?php _e( 'Your theme will display its usual sidebar when this box is empty. Dragging widgets into this box will replace the usual sidebar with your customized sidebar.' ); ?>
</span>
</div>
<ul id="<?php echo $index; ?>">
<?php
if ( is_array( $sidebars_widgets[$index] ) ) {
foreach ( $sidebars_widgets[$index] as $name ) {
wp_widget_draggable( $name );
}
}
?>
</ul>
</div>
<?php
}
?>
<br class="clear" />
</div>
<div id="palettediv">
<h3><?php _e( 'Available Widgets' ); ?></h3>
<ul id="palette">
<?php
foreach ( $inactive_widgets as $name ) {
wp_widget_draggable( $name );
}
?>
<li id="lastmodule"><span></span></li>
</ul>
</div>
<script type="text/javascript">
// <![CDATA[
<?php foreach ( $containers as $container ) { ?>
Sortable.create("<?php echo $container; ?>", {
dropOnEmpty: true, containment: [<?php echo $c_string; ?>],
handle: 'handle', constraint: false, onUpdate: updateAll,
format: /^widgetprefix-(.*)$/
});
<?php } ?>
// ]]>
</script>
<p class="submit">
<?php
if ( function_exists( 'wp_nonce_field' ) ) {
wp_nonce_field( 'widgets-save-widget-order' );
}
?>
<input type="hidden" name="action" id="action" value="save_widget_order" />
<input type="submit" value="<?php _e( 'Save Changes &raquo;' ); ?>" />
</p>
<div id="controls">
<?php foreach ( $wp_registered_widget_controls as $name => $widget ) { ?>
<div class="hidden" id="<?php echo $widget['id']; ?>control">
<span class="controlhandle"><?php echo $name; ?></span>
<span id="<?php echo $widget['id']; ?>closer" class="controlcloser">&#215;</span>
<div class="controlform">
<?php call_user_func_array( $widget['callback'], $widget['params'] ); ?>
</div>
</div>
<?php } ?>
</div>
</form>
<br class="clear" />
</div>
<div id="shadow"> </div>
<?php do_action( 'sidebar_admin_page' ); ?>
<?php require_once 'admin-footer.php'; ?>