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d409315d8c
git-svn-id: http://svn.automattic.com/wordpress/trunk@11150 1a063a9b-81f0-0310-95a4-ce76da25c4cd
378 lines
12 KiB
PHP
378 lines
12 KiB
PHP
<?php
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/**
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* Widgets administration panel.
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*
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* @package WordPress
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* @subpackage Administration
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*/
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/** WordPress Administration Bootstrap */
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require_once( 'admin.php' );
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/** WordPress Administration Widgets API */
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require_once(ABSPATH . 'wp-admin/includes/widgets.php');
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if ( ! current_user_can('switch_themes') )
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wp_die( __( 'Cheatin’ uh?' ));
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wp_enqueue_script('admin-widgets');
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wp_admin_css( 'widgets' );
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do_action( 'sidebar_admin_setup' );
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$title = __( 'Widgets' );
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$parent_file = 'themes.php';
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// register the inactive_widgets area as sidebar
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register_sidebar(array(
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'name' => __('Inactive Widgets'),
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'id' => 'wp_inactive_widgets',
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'before_widget' => '',
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'after_widget' => '',
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'before_title' => '',
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'after_title' => '',
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));
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// These are the widgets grouped by sidebar
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$sidebars_widgets = wp_get_sidebars_widgets();
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if ( empty( $sidebars_widgets ) )
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$sidebars_widgets = wp_get_widget_defaults();
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// look for "lost" widgets, this has to run at least on each theme change
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function retrieve_widgets() {
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global $wp_registered_widget_updates, $wp_registered_sidebars, $sidebars_widgets;
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$_sidebars_widgets = array();
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$sidebars = array_keys($wp_registered_sidebars);
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$diff = array_diff( array_keys($sidebars_widgets), $sidebars );
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if ( empty($diff) )
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return;
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unset( $sidebars_widgets['array_version'] );
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// Move the known-good ones first
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foreach ( $sidebars as $id ) {
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if ( array_key_exists( $id, $sidebars_widgets ) ) {
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$_sidebars_widgets[$id] = $sidebars_widgets[$id];
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unset($sidebars_widgets[$id], $sidebars[$id]);
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}
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}
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// Assign to each unmatched registered sidebar the first available orphan
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while ( ( $sidebar = array_shift( $sidebars ) ) && $widgets = array_shift( $sidebars_widgets ) )
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$_sidebars_widgets[ $sidebar ] = $widgets;
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// if new theme has less sidebars than the old theme
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if ( !empty($sidebars_widgets) ) {
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foreach ( $sidebars_widgets as $lost => $val ) {
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if ( is_array($val) )
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$_sidebars_widgets['wp_inactive_widgets'] = array_merge( (array) $_sidebars_widgets['wp_inactive_widgets'], $val );
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}
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}
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$sidebars_widgets = $_sidebars_widgets;
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unset($_sidebars_widgets);
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// find hidden/lost multi-widget instances
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$shown_widgets = array();
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foreach ( $sidebars_widgets as $sidebar ) {
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if ( is_array($sidebar) )
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$shown_widgets = array_merge($shown_widgets, $sidebar);
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}
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$all_widgets = array();
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foreach ( $wp_registered_widget_updates as $key => $val ) {
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if ( isset($val['id_base']) )
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$all_widgets[] = $val['id_base'];
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else
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$all_widgets[] = $key;
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}
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$all_widgets = array_unique($all_widgets);
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$lost_widgets = array();
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foreach ( $all_widgets as $name ) {
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$data = get_option( str_replace('-', '_', "widget_$name") );
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if ( is_array($data) ) {
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foreach ( $data as $num => $value ) {
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if ( !is_numeric($num) ) // skip single widgets, some don't delete their settings
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continue;
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if ( is_array($value) && !in_array("$name-$num", $shown_widgets, true) )
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$lost_widgets[] = "$name-$num";
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}
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}
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}
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$sidebars_widgets['wp_inactive_widgets'] = array_merge($lost_widgets, (array) $sidebars_widgets['wp_inactive_widgets']);
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$sidebars_widgets['array_version'] = 3;
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wp_set_sidebars_widgets($sidebars_widgets);
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}
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retrieve_widgets();
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if ( count($wp_registered_sidebars) == 1 ) {
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// If only "wp_inactive_widgets" is defined the theme has no sidebars, die.
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require_once( 'admin-header.php' );
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?>
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<div class="wrap">
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<?php screen_icon(); ?>
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<h2><?php echo wp_specialchars( $title ); ?></h2>
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<div class="error">
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<p><?php _e( 'No Sidebars Defined' ); ?></p>
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</div>
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<p><?php _e( 'The theme you are currently using isn’t widget-aware, meaning that it has no sidebars that you are able to change. For information on making your theme widget-aware, please <a href="http://codex.wordpress.org/Widgetizing_Themes">follow these instructions</a>.' ); ?></p>
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</div>
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<?php
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require_once( 'admin-footer.php' );
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exit;
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}
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// We're saving a widget without js
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if ( isset($_POST['savewidget']) || isset($_POST['removewidget']) ) {
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$widget_id = $_POST['widget-id'];
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check_admin_referer("save-delete-widget-$widget_id");
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$sidebar_id = $_POST['insidebar'];
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$position = isset($_POST[$sidebar_id . '_position']) ? (int) $_POST[$sidebar_id . '_position'] - 1 : 0;
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$_POST['sidebar'] = $sidebar_id;
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$id_base = $_POST['id_base'];
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$number = isset($_POST['multi_number']) ? $_POST['multi_number'] : '';
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$sidebar = isset($sidebars_widgets[$sidebar_id]) ? $sidebars_widgets[$sidebar_id] : array();
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// delete
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if ( isset($_POST['removewidget']) && $_POST['removewidget'] ) {
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$widget = isset($wp_registered_widgets[$widget_id]) ? $wp_registered_widgets[$widget_id] : false;
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if ( !in_array($widget_id, $sidebar, true) || !$widget ) {
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wp_redirect('widgets.php?error=0');
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exit;
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}
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$option = str_replace( '-', '_', 'widget_' . $id_base );
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$data = get_option($option);
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if ( isset($widget['params'][0]['number']) ) {
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$number = $widget['params'][0]['number'];
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if ( is_array($data) && isset($data[$number]) ) {
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unset( $data[$number] );
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update_option($option, $data);
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}
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} else {
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if ( $data ) {
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$data = array();
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update_option($option, $data);
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}
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}
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$sidebar = array_diff( $sidebar, array($widget_id) );
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} else {
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// save
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foreach ( (array) $wp_registered_widget_updates as $name => $control ) {
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if ( $name != $id_base || !is_callable($control['callback']) )
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continue;
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if ( $number ) {
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// don't delete other instances of the same multi-widget
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foreach ( $sidebar as $_widget_id ) {
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if ( isset($wp_registered_widgets[$_widget_id]['params'][0]['number']) )
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unset($wp_registered_widgets[$_widget_id]['params'][0]['number']);
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}
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$widget_id = "$id_base-$number";
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}
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ob_start();
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call_user_func_array( $control['callback'], $control['params'] );
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ob_end_clean();
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// remove old position
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$sidebar = array_diff( $sidebar, array($widget_id) );
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foreach ( $sidebars_widgets as $key => $sb ) {
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if ( is_array($sb) && in_array($widget_id, $sb, true) )
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$sidebars_widgets[$key] = array_diff( $sb, array($widget_id) );
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}
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array_splice( $sidebar, $position, 0, $widget_id );
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break;
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}
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}
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$sidebars_widgets[$sidebar_id] = $sidebar;
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wp_set_sidebars_widgets($sidebars_widgets);
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wp_redirect('widgets.php?message=0');
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exit;
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}
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// Output the widget form without js
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if ( isset($_GET['editwidget']) && $_GET['editwidget'] ) {
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$widget_id = $_GET['editwidget'];
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if ( isset($_GET['addnew']) ) {
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// Default to the first sidebar
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$sidebar = array_shift( $keys = array_keys($wp_registered_sidebars) );
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if ( isset($_GET['base']) && isset($_GET['num']) ) { // multi-widget
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// Copy minimal info from an existing instance of this widget to a new instance
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foreach ( $wp_registered_widget_controls as $control ) {
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if ( $_GET['base'] === $control['id_base'] ) {
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$control_callback = $control['callback'];
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$multi_number = (int) $_GET['num'];
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$control['params'][0]['number'] = $multi_number;
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$control['id'] = $control['id_base'] . '-' . $multi_number;
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$wp_registered_widget_controls[$control['id']] = $control;
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break;
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}
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}
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}
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}
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if ( isset($wp_registered_widget_controls[$widget_id]) && !isset($control) ) {
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$control = $wp_registered_widget_controls[$widget_id];
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$control_callback = $control['callback'];
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}
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if ( !isset($sidebar) )
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$sidebar = isset($_GET['sidebar']) ? $_GET['sidebar'] : 'wp_inactive_widgets';
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if ( !isset($multi_number) )
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$multi_number = isset($control['params'][0]['number']) ? $control['params'][0]['number'] : '';
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$id_base = isset($control['id_base']) ? $control['id_base'] : $control['id'];
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// show the widget form
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if ( is_callable( $control_callback ) ) {
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$width = ' style="width:' . max($control['width'], 350) . 'px"';
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$key = isset($_GET['key']) ? (int) $_GET['key'] : 0;
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require_once( 'admin-header.php' ); ?>
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<div class="wrap">
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<?php screen_icon(); ?>
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<h2><?php echo wp_specialchars( $title ); ?></h2>
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<div class="editwidget"<?php echo $width; ?>>
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<h3><?php printf( __( 'Widget %s' ), wp_specialchars( strip_tags($control['name']) ) ); ?></h3>
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<form action="widgets.php" method="post">
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<div class="widget-control">
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<?php call_user_func_array( $control_callback, $control['params'] ); ?>
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</div>
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<div class="widget-position">
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<table class="widefat"><thead><tr><th><?php _e('Sidebar'); ?></th><th><?php _e('Position'); ?></th></tr></thead><tbody>
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<?php foreach ( $wp_registered_sidebars as $sbname => $sbvalue ) {
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echo "\t\t<tr><td><label><input type='radio' name='insidebar' value='" . attr($sbname) . "'" . checked( $sbname, $sidebar, false ) . " /> $sbvalue[name]</label></td><td>";
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if ( 'wp_inactive_widgets' == $sbname ) {
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echo ' ';
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} else {
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if ( !isset($sidebars_widgets[$sbname]) || !is_array($sidebars_widgets[$sbname]) ) {
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$j = 1;
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} else {
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$j = count($sidebars_widgets[$sbname]);
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if ( isset($_GET['addnew']) || !in_array($widget_id, $sidebars_widgets[$sbname], true) )
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$j++;
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}
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$selected = '';
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echo "\t\t<select name='{$sbname}_position'>\n";
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echo "\t\t<option value=''>" . __('-- select --') . "</option>\n";
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for ( $i = 1; $i <= $j; $i++ ) {
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if ( in_array($widget_id, $sidebars_widgets[$sbname], true) )
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$selected = selected( $i, $key + 1, false );
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echo "\t\t<option value='$i'$selected> $i </option>\n";
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}
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echo "\t\t</select>\n";
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}
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echo "</td></tr>\n";
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} ?>
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</tbody></table>
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</div>
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<div class="widget-control-actions">
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<?php if ( isset($_GET['addnew']) ) { ?>
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<a href="widgets.php" class="button alignleft"><?php _e('Cancel'); ?></a>
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<?php } else { ?>
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<input type="submit" name="removewidget" class="button alignleft" value="<?php _ea('Remove'); ?>" />
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<?php } ?>
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<input type="submit" name="savewidget" class="button-primary alignright" value="<?php _ea('Save Widget'); ?>" />
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<input type="hidden" name="widget-id" class="widget-id" value="<?php echo attr($widget_id); ?>" />
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<input type="hidden" name="id_base" class="id_base" value="<?php echo attr($id_base); ?>" />
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<input type="hidden" name="multi_number" class="multi_number" value="<?php echo attr($multi_number); ?>" />
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<?php wp_nonce_field("save-delete-widget-$widget_id"); ?>
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</div>
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</form>
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</div>
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</div>
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<?php
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require_once( 'admin-footer.php' );
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exit;
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}
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wp_redirect('widgets.php?error=1');
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exit;
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}
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$messages = array(
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__('Changes saved.')
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);
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$errors = array(
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__('Error while saving.'),
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__('Error in displaying the widget settings form.')
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);
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require_once( 'admin-header.php' ); ?>
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<div class="wrap">
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<?php screen_icon(); ?>
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<h2><?php echo wp_specialchars( $title ); ?></h2>
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<?php if ( isset($_GET['message']) && isset($messages[$_GET['message']]) ) { ?>
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<div id="message" class="updated fade"><p><?php echo $messages[$_GET['message']]; ?></p></div>
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<?php } ?>
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<?php if ( isset($_GET['error']) && isset($errors[$_GET['error']]) ) { ?>
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<div id="message" class="error"><p><?php echo $errors[$_GET['error']]; ?></p></div>
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<?php } ?>
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<div class="widget-liquid-left">
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<div id="widgets-left">
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<div id="available-widgets" class="widgets-holder-wrap">
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<h3 class="sidebar-name"><?php _e('Available Widgets'); ?></h3>
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<?php wp_list_widgets(); ?>
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<br class="clear" />
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</div>
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<div id="wp_inactive_widgets" class="widgets-holder-wrap">
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<h3 class="sidebar-name"><?php _e('Inactive Widgets'); ?>
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<span><img src="images/wpspin.gif" class="ajax-feedback" title="" alt="" /></span></h3>
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<p class="description"><?php _e('Drag widgets here to remove them from the web site but keep their settings.'); ?></p>
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<?php wp_list_widget_controls('wp_inactive_widgets'); ?>
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<br class="clear" />
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</div>
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</div>
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</div>
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<div class="widget-liquid-right">
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<?php
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$i = 0;
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foreach ( $wp_registered_sidebars as $sidebar => $registered_sidebar ) {
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if ( 'wp_inactive_widgets' == $sidebar )
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continue; ?>
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<div id="<?php echo attr( $sidebar ); ?>" class="widgets-holder-wrap">
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<h3 class="sidebar-name"><?php echo wp_specialchars( $registered_sidebar['name'] ); ?>
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<span><img src="images/wpspin.gif" class="ajax-feedback" title="" alt="" /></span></h3>
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<?php wp_list_widget_controls( $sidebar, $i ); // Show the control forms for each of the widgets in this sidebar ?>
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</div>
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<?php
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$i++;
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} ?>
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</div>
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<form action="" method="post">
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<?php wp_nonce_field( 'save-sidebar-widgets', '_wpnonce_widgets', false ); ?>
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</form>
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<br class="clear" />
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</div>
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<?php
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do_action( 'sidebar_admin_page' );
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require_once( 'admin-footer.php' );
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