wp-admin/widgets.php

   1 <?php
   2
   3 require_once( 'admin.php' );
   4 require_once(ABSPATH . 'wp-admin/includes/widgets.php');
   5
   6 if ( ! current_user_can('switch_themes') )
   7         wp_die( __( 'Cheatin&#8217; uh?' ));
   8
   9 wp_enqueue_script( array( 'wp-lists', 'admin-widgets' ) );
  10
  11 do_action( 'sidebar_admin_setup' );
  12
  13 $title = __( 'Widgets' );
  14 $parent_file = 'themes.php';
  15
  16 // $sidebar = What sidebar are we editing?
  17 if ( isset($_GET['sidebar']) && isset($wp_registered_sidebars[$_GET['sidebar']]) ) {
  18         $sidebar = attribute_escape( $_GET['sidebar'] );
  19 } elseif ( is_array($wp_registered_sidebars) && !empty($wp_registered_sidebars) ) {
  20         // By default we look at the first defined sidebar
  21         $sidebar = array_shift( $keys = array_keys($wp_registered_sidebars) );
  22 } else {
  23         // If no sidebars, die.
  24         require_once( 'admin-header.php' );
  25 ?>
  26
  27         <div class="error">
  28                 <p><?php _e( 'No Sidebars Defined' ); ?></p>
  29         </div>
  30
  31         <div class="wrap">
  32                 <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://automattic.com/code/widgets/themes/">follow these instructions</a>.' ); /* TODO: article on codex */; ?></p>
  33         </div>
  34
  35 <?php
  36         require_once( 'admin-footer.php' );
  37         exit;
  38 }
  39
  40 // These are the widgets grouped by sidebar
  41 $sidebars_widgets = wp_get_sidebars_widgets();
  42 if ( empty( $sidebars_widgets ) )
  43         $sidebars_widgets = wp_get_widget_defaults();
  44
  45 // for the sake of PHP warnings
  46 if ( empty( $sidebars_widgets[$sidebar] ) )
  47         $sidebars_widgets[$sidebar] = array();
  48
  49 $http_post = 'post' == strtolower($_SERVER['REQUEST_METHOD']);
  50
  51 // We're updating a sidebar
  52 if ( $http_post && isset($sidebars_widgets[$_POST['sidebar']]) ) {
  53         check_admin_referer( 'edit-sidebar_' . $_POST['sidebar'] );
  54
  55         /* Hack #1
  56          * The widget_control is overloaded.  It updates the widget's options AND echoes out the widget's HTML form.
  57          * Since we want to update before sending out any headers, we have to catch it with an output buffer,
  58          */
  59         ob_start();
  60                 /* There can be multiple widgets of the same type, but the widget_control for that
  61                  * widget type needs only be called once if it's a multi-widget.
  62                  */
  63                 $already_done = array();
  64
  65                 foreach ( $wp_registered_widget_controls as $name => $control ) {
  66                         if ( in_array( $control['callback'], $already_done ) )
  67                                 continue;
  68
  69                         if ( is_callable( $control['callback'] ) ) {
  70                                 call_user_func_array( $control['callback'], $control['params'] );
  71                                 $control_output = ob_get_contents();
  72                                 if ( false !== strpos( $control_output, '%i%' ) ) // if it's a multi-widget, only call control function once.
  73                                         $already_done[] = $control['callback'];
  74                         }
  75
  76                         ob_clean();
  77                 }
  78         ob_end_clean();
  79
  80         // Prophylactic.  Take out empty ids.
  81         foreach ( (array) $_POST['widget-id'] as $key => $val )
  82                 if ( !$val )
  83                         unset($_POST['widget-id'][$key]);
  84
  85         // Reset the key numbering and store
  86         $new_sidebar = isset( $_POST['widget-id'] ) && is_array( $_POST['widget-id'] ) ? array_values( $_POST['widget-id'] ) : array();
  87         $sidebars_widgets[$_POST['sidebar']] = $new_sidebar;
  88         wp_set_sidebars_widgets( $sidebars_widgets );
  89
  90         wp_redirect( add_query_arg( 'message', 'updated' ) );
  91         exit;
  92 }
  93
  94
  95
  96
  97 // What widget (if any) are we editing
  98 $edit_widget = -1;
  99
 100 $query_args = array('add', 'remove', 'key', 'edit', '_wpnonce', 'message', 'base' );
 101
 102 if ( isset($_GET['add']) && $_GET['add'] ) {
 103         // Add to the end of the sidebar
 104         $control_callback;
 105         if ( isset($wp_registered_widgets[$_GET['add']]) ) {
 106                 check_admin_referer( "add-widget_$_GET[add]" );
 107                 $sidebars_widgets[$sidebar][] = $_GET['add'];
 108                 wp_set_sidebars_widgets( $sidebars_widgets );
 109         } elseif ( isset($_GET['base']) && isset($_GET['key']) ) { // It's a multi-widget
 110                 check_admin_referer( "add-widget_$_GET[add]" );
 111                 // Copy minimal info from an existing instance of this widget to a new instance
 112                 foreach ( $wp_registered_widget_controls as $control ) {
 113                         if ( $_GET['base'] === $control['id_base'] ) {
 114                                 $control_callback = $control['callback'];
 115                                 $num = (int) $_GET['key'];
 116                                 $control['params'][0]['number'] = $num;
 117                                 $control['id'] = $control['id_base'] . '-' . $num;
 118                                 $wp_registered_widget_controls[$control['id']] = $control;
 119                                 $sidebars_widgets[$sidebar][] = $control['id'];
 120                                 break;
 121                         }
 122                 }
 123         }
 124
 125         // it's a multi-widget.  The only way to add multi-widgets without JS is to actually submit POST content...
 126         // so here we go
 127         if ( is_callable( $control_callback ) ) {
 128                 require_once( 'admin-header.php' );
 129         ?>
 130                 <div class="wrap">
 131                 <h2><?php _e( 'Add Widget' ); ?></h2>
 132                 <br />
 133                 <form action="<?php echo clean_url( remove_query_arg( $query_args ) ); ?>" method="post">
 134
 135                         <ul class="widget-control-list">
 136                                 <li class="widget-list-control-item">
 137                                         <h4 class="widget-title"><?php echo $control['name']; ?></h4>
 138                                         <div class="widget-control" style="display: block;">
 139         <?php
 140                                                 call_user_func_array( $control_callback, $control['params'] );
 141         ?>
 142                                                 <div class="widget-control-actions">
 143                                                         <input type="submit" class="button" value="<?php _e( 'Add Widget' ); ?>" />
 144                                                         <input type="hidden" id='sidebar' name='sidebar' value="<?php echo $sidebar; ?>" />
 145         <?php   wp_nonce_field ( 'edit-sidebar_' . $sidebar );
 146                 foreach ( $sidebars_widgets[$sidebar] as $sidebar_widget_id ) : ?>
 147                                                         <input type="hidden" name='widget-id[]' value="<?php echo $sidebar_widget_id; ?>" />
 148         <?php   endforeach; ?>
 149                                                 </div>
 150                                         </div>
 151                                 </li>
 152                         </ul>
 153                 </form>
 154                 </div>
 155         <?php
 156
 157                 require_once( 'admin-footer.php' );
 158                 exit;
 159         }
 160         wp_redirect( remove_query_arg( $query_args ) );
 161         exit;
 162 } elseif ( isset($_GET['remove']) && $_GET['remove'] && isset($_GET['key']) && is_numeric($_GET['key']) ) {
 163         // Remove from sidebar the widget of type $_GET['remove'] and in position $_GET['key']
 164         $key = (int) $_GET['key'];
 165         if ( -1 < $key && ( $keys = array_keys($sidebars_widgets[$sidebar], $_GET['remove']) ) && in_array($key, $keys) ) {
 166                 check_admin_referer( "remove-widget_$_GET[remove]" );
 167                 unset($sidebars_widgets[$sidebar][$key]);
 168                 $sidebars_widgets[$sidebar] = array_values($sidebars_widgets[$sidebar]);
 169                 wp_set_sidebars_widgets( $sidebars_widgets );
 170         }
 171         wp_redirect( remove_query_arg( $query_args ) );
 172         exit;
 173 } elseif ( isset($_GET['edit']) && $_GET['edit'] && isset($_GET['key']) && is_numeric($_GET['key']) ) {
 174         // Edit widget of type $_GET['edit'] and position $_GET['key']
 175         $key = (int) $_GET['key'];
 176         if ( -1 < $key && ( $keys = array_keys($sidebars_widgets[$sidebar], $_GET['edit']) ) && in_array($key, $keys) )
 177                 $edit_widget = $key;
 178 }
 179
 180 // Total number of registered sidebars
 181 $sidebar_widget_count = count($sidebars_widgets[$sidebar]);
 182
 183 // This is sort of lame since "widget" won't be converted to "widgets" in the JS
 184 if ( 1 < $sidebars_count = count($wp_registered_sidebars) )
 185         $sidebar_info_text = __ngettext( 'You are using %1$s widget in the "%2$s" sidebar.', 'You are using %1$s widgets in the "%2$s" sidebar.', $sidebar_widget_count );
 186 else
 187         $sidebar_info_text = __ngettext( 'You are using %1$s widget in the sidebar.', 'You are using %1$s widgets in the sidebar.', $sidebar_widget_count );
 188
 189
 190 $sidebar_info_text = sprintf( wp_specialchars( $sidebar_info_text ), "<span id='widget-count'>$sidebar_widget_count</span>", $wp_registered_sidebars[$sidebar]['name'] );
 191
 192 $page = isset($_GET['apage']) ? abs( (int) $_GET['apage'] ) : 1;
 193
 194 /* TODO: Paginate widgets list
 195 $page_links = paginate_links( array(
 196         'base'    => add_query_arg( 'apage', '%#%' ),
 197         'format'  => '',
 198         'total'   => ceil(($total = 105 )/ 10),
 199         'current' => $page
 200 ));
 201 */
 202 $page_links = '&nbsp;';
 203
 204 // Unsanitized!
 205 $widget_search = isset($_GET['s']) ? $_GET['s'] : false;
 206
 207 // Not entirely sure what all should be here
 208 $show_values = array(
 209         ''       => $widget_search ? __( 'Show any widgets' ) : __( 'Show all widgets' ),
 210         'unused' => __( 'Show unused widgets' ),
 211         'used'   => __( 'Show used widgets' )
 212 );
 213
 214 $show = isset($_GET['show']) && isset($show_values[$_GET['show']]) ? attribute_escape( $_GET['show'] ) : false;
 215
 216
 217 $messages = array(
 218         'updated' => __('Changes saved.')
 219 );
 220
 221 require_once( 'admin-header.php' );
 222
 223 if ( isset($_GET['message']) && isset($messages[$_GET['message']]) ) : ?>
 224
 225 <div id="message" class="updated fade"><p><?php echo $messages[$_GET['message']]; ?></p></div>
 226
 227 <?php endif; ?>
 228
 229 <div class="wrap">
 230
 231         <form id="widgets-filter" action="" method="get">
 232
 233         <h2><?php _e( 'Widgets' ); ?></h2>
 234         <p id="widget-search">
 235                 <input type="text" id="widget-search-input" name="s" value="<?php echo attribute_escape( $widget_search ); ?>" />
 236                 <input type="submit" class="button" value="<?php _e( 'Search Widgets' ); ?>" />
 237         </p>
 238
 239         <div class="widget-liquid-left-holder">
 240         <div id="available-widgets-filter" class="widget-liquid-left">
 241                 <h3><?php _e('Available Widgets'); ?></h3>
 242                 <div class="nav">
 243                         <select name="show">
 244 <?php foreach ( $show_values as $show_value => $show_text ) : $show_value = attribute_escape( $show_value ); ?>
 245                                 <option value='<?php echo $show_value; ?>'<?php selected( $show_value, $show ); ?>><?php echo wp_specialchars( $show_text ); ?></option>
 246 <?php endforeach; ?>
 247                         </select>
 248                         <input type="submit" value="<?php _e('Show' ); ?>" class="button-secondary" />
 249                         <p class="pagenav">
 250                                 <?php echo $page_links; ?>
 251                         </p>
 252                 </div>
 253         </div>
 254         </div>
 255
 256         <div id="available-sidebars" class="widget-liquid-right">
 257                 <h3><?php _e('Current Widgets'); ?></h3>
 258
 259                 <div class="nav">
 260                         <select id="sidebar-selector" name="sidebar">
 261 <?php foreach ( $wp_registered_sidebars as $sidebar_id => $registered_sidebar ) : $sidebar_id = attribute_escape( $sidebar_id ); ?>
 262                                 <option value='<?php echo $sidebar_id; ?>'<?php selected( $sidebar_id, $sidebar ); ?>><?php echo wp_specialchars( $registered_sidebar['name'] ); ?></option>
 263 <?php endforeach; ?>
 264                         </select>
 265                         <input type="submit" value="<?php _e('Show' ); ?>" class="button-secondary" />
 266                 </div>
 267
 268         </div>
 269
 270         </form>
 271
 272         <div id="widget-content" class="widget-liquid-left-holder">
 273
 274                 <div id="available-widgets" class="widget-liquid-left">
 275
 276                         <?php wp_list_widgets( $show, $widget_search ); // This lists all the widgets for the query ( $show, $search ) ?>
 277
 278                         <div class="nav">
 279                                 <p class="pagenav">
 280                                         <?php echo $page_links; ?>
 281                                 </p>
 282                         </div>
 283                 </div>
 284         </div>
 285
 286         <form id="widget-controls" action="" method="post">
 287
 288         <div id="current-widgets-head" class="widget-liquid-right">
 289
 290                 <div id="sidebar-info">
 291                         <p><?php echo $sidebar_info_text; ?></p>
 292                         <p><?php _e( 'Add more from the Available Widgets section.' ); ?></p>
 293                 </div>
 294
 295         </div>
 296
 297         <div id="current-widgets" class="widget-liquid-right">
 298                 <div id="current-sidebar">
 299
 300                         <?php wp_list_widget_controls( $sidebar ); // Show the control forms for each of the widgets in this sidebar ?>
 301
 302                 </div>
 303
 304                 <p class="submit">
 305                         <input type="hidden" id='sidebar' name='sidebar' value="<?php echo $sidebar; ?>" />
 306                         <input type="hidden" id="generated-time" name="generated-time" value="<?php echo time() - 1199145600; // Jan 1, 2008 ?>" />
 307                         <input type="submit" name="save-widgets" value="<?php _e( 'Save Changes' ); ?>" />
 308 <?php
 309                         wp_nonce_field( 'edit-sidebar_' . $sidebar );
 310 ?>
 311                 </p>
 312         </div>
 313
 314         </form>
 315
 316 </div>
 317
 318 <?php do_action( 'sidebar_admin_page' ); ?>
 319
 320 <br class="clear" />
 321
 322 <?php require_once( 'admin-footer.php' ); ?>
 323