<?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_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' => __('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'] ); $diff = array_diff( array_keys($sidebars_widgets), $sidebars ); if ( empty($diff) ) 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 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; } $sidebars_widgets = $_sidebars_widgets; unset($_sidebars_widgets, $_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) $sidebars_widgets['wp_inactive_widgets']); wp_set_sidebars_widgets($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"); $sidebar_id = $_POST['insidebar']; $position = isset($_POST[$sidebar_id . '_position']) ? (int) $_POST[$sidebar_id . '_position'] - 1 : 0; $_POST['sidebar'] = $sidebar_id; $id_base = $_POST['id_base']; $number = isset($_POST['multi_number']) ? $_POST['multi_number'] : ''; $sidebar = isset($sidebars_widgets[$sidebar_id]) ? $sidebars_widgets[$sidebar_id] : array(); // delete if ( isset($_POST['removewidget']) && $_POST['removewidget'] ) { $widget = isset($wp_registered_widgets[$widget_id]) ? $wp_registered_widgets[$widget_id] : false; if ( !in_array($widget_id, $sidebar, true) || !$widget ) { wp_redirect('widgets.php?error=0'); exit; } $option = str_replace( '-', '_', 'widget_' . $id_base ); $data = get_option($option); if ( isset($widget['params'][0]['number']) ) { $number = $widget['params'][0]['number']; if ( is_array($data) && isset($data[$number]) ) { unset( $data[$number] ); update_option($option, $data); } } else { if ( $data ) { $data = array(); update_option($option, $data); } } $sidebar = array_diff( $sidebar, array($widget_id) ); } else { // save foreach ( (array) $wp_registered_widget_updates as $name => $control ) { if ( $name != $id_base || !is_callable($control['callback']) ) continue; if ( $number ) { // don't delete other instances of the same multi-widget foreach ( $sidebar as $_widget_id ) { if ( isset($wp_registered_widgets[$_widget_id]['params'][0]['number']) ) unset($wp_registered_widgets[$_widget_id]['params'][0]['number']); } $widget_id = "$id_base-$number"; } ob_start(); call_user_func_array( $control['callback'], $control['params'] ); ob_end_clean(); // remove old position $sidebar = array_diff( $sidebar, array($widget_id) ); foreach ( $sidebars_widgets as $key => $sb ) { if ( is_array($sb) && in_array($widget_id, $sb, true) ) $sidebars_widgets[$key] = array_diff( $sb, array($widget_id) ); } array_splice( $sidebar, $position, 0, $widget_id ); break; } } $sidebars_widgets[$sidebar_id] = $sidebar; wp_set_sidebars_widgets($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'] = $multi_number; $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 = $control['callback']; } if ( !isset($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 if ( is_callable( $control_callback ) ) { $width = ' style="width:' . max($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 $width; ?>> <h3><?php printf( __( 'Widget %s' ), esc_html( strip_tags($control['name']) ) ); ?></h3> <form action="widgets.php" method="post"> <div class="widget-inside"> <?php call_user_func_array( $control_callback, $control['params'] ); ?> </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 => $sbvalue ) { echo "\t\t<tr><td><label><input type='radio' name='insidebar' value='" . esc_attr($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; } 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('Remove'); ?>" /> <?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; } wp_redirect('widgets.php?error=1'); 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'); ?></h3></div> <?php wp_list_widgets(); ?> <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' );