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Wordpress 2.6.2-scripts
[autoinstalls/wordpress.git] / wp-admin / includes / dashboard.php
1 <?php
2
3 // Registers dashboard widgets, handles POST data, sets up filters
4 function wp_dashboard_setup() {
5         global $wpdb, $wp_dashboard_sidebars;
6         $update = false;
7         $widget_options = get_option( 'dashboard_widget_options' );
8         if ( !$widget_options || !is_array($widget_options) )
9                 $widget_options = array();
10
11
12         /* Register WP Dashboard Dynamic Sidebar */
13         register_sidebar( array(
14                 'name' => 'WordPress Dashboard',
15                 'id' => 'wp_dashboard',
16                 'before_widget' => "\t<div class='dashboard-widget-holder %2\$s' id='%1\$s'>\n\n\t\t<div class='dashboard-widget'>\n\n",
17                 'after_widget' => "\t\t</div>\n\n\t</div>\n\n",
18                 'before_title' => "\t\t\t<h3 class='dashboard-widget-title'>",
19                 'after_title' => "</h3>\n\n"
20         ) );
21
22
23         /* Register Widgets and Controls */
24
25         // Recent Comments Widget
26         $mod_comments = wp_count_comments();
27         $mod_comments = $mod_comments->moderated;
28         if ( current_user_can( 'moderate_comments' ) && $mod_comments ) {
29                 $notice = sprintf( __ngettext( '%d comment awaiting moderation', '%d comments awaiting moderation', $mod_comments ), $mod_comments );
30                 $notice = "<a href='edit-comments.php?comment_status=moderated'>$notice</a>";
31         } else {
32                 $notice = '';
33         }
34         wp_register_sidebar_widget( 'dashboard_recent_comments', __( 'Recent Comments' ), 'wp_dashboard_recent_comments',
35                 array( 'all_link' => 'edit-comments.php', 'notice' => $notice, 'width' => 'half' )
36         );
37
38         // Incoming Links Widget
39         if ( !isset( $widget_options['dashboard_incoming_links'] ) || !isset( $widget_options['dashboard_incoming_links']['home'] ) || $widget_options['dashboard_incoming_links']['home'] != get_option('home') ) {
40                 $update = true;
41                 $widget_options['dashboard_incoming_links'] = array(
42                         'home' => get_option('home'),
43                         'link' => apply_filters( 'dashboard_incoming_links_link', 'http://blogsearch.google.com/blogsearch?hl=en&scoring=d&partner=wordpress&q=link:' . trailingslashit( get_option('home') ) ),
44                         'url' => apply_filters( 'dashboard_incoming_links_feed', 'http://blogsearch.google.com/blogsearch_feeds?hl=en&scoring=d&ie=utf-8&num=10&output=rss&partner=wordpress&q=link:' . trailingslashit( get_option('home') ) ),
45                         'items' => 5,
46                         'show_date' => 0
47                 );
48         }
49         wp_register_sidebar_widget( 'dashboard_incoming_links', __( 'Incoming Links' ), 'wp_dashboard_empty',
50                 array( 'all_link' => $widget_options['dashboard_incoming_links']['link'], 'feed_link' => $widget_options['dashboard_incoming_links']['url'], 'width' => 'half' ),
51                 'wp_dashboard_cached_rss_widget', 'wp_dashboard_incoming_links_output'
52         );
53         wp_register_widget_control( 'dashboard_incoming_links', __( 'Incoming Links' ), 'wp_dashboard_rss_control', array(),
54                 array( 'widget_id' => 'dashboard_incoming_links', 'form_inputs' => array( 'title' => false, 'show_summary' => false, 'show_author' => false ) )
55         );
56
57
58         // WP Plugins Widget
59         wp_register_sidebar_widget( 'dashboard_plugins', __( 'Plugins' ), 'wp_dashboard_empty',
60                 array( 'all_link' => 'http://wordpress.org/extend/plugins/', 'feed_link' => 'http://wordpress.org/extend/plugins/rss/topics/', 'width' => 'half' ),
61                 'wp_dashboard_cached_rss_widget', 'wp_dashboard_plugins_output',
62                 array( 'http://wordpress.org/extend/plugins/rss/browse/popular/', 'http://wordpress.org/extend/plugins/rss/browse/new/', 'http://wordpress.org/extend/plugins/rss/browse/updated/' )
63         );
64
65         // Primary feed (Dev Blog) Widget
66         if ( !isset( $widget_options['dashboard_primary'] ) ) {
67                 $update = true;
68                 $widget_options['dashboard_primary'] = array(
69                         'link' => apply_filters( 'dashboard_primary_link',  __( 'http://wordpress.org/development/' ) ),
70                         'url' => apply_filters( 'dashboard_primary_feed',  __( 'http://wordpress.org/development/feed/' ) ),
71                         'title' => apply_filters( 'dashboard_primary_title', __( 'WordPress Development Blog' ) ),
72                         'items' => 2,
73                         'show_summary' => 1,
74                         'show_author' => 0,
75                         'show_date' => 1
76                 );
77         }
78         wp_register_sidebar_widget( 'dashboard_primary', $widget_options['dashboard_primary']['title'], 'wp_dashboard_empty',
79                 array( 'all_link' => $widget_options['dashboard_primary']['link'], 'feed_link' => $widget_options['dashboard_primary']['url'], 'width' => 'half', 'class' => 'widget_rss' ),
80                 'wp_dashboard_cached_rss_widget', 'wp_dashboard_rss_output'
81         );
82         wp_register_widget_control( 'dashboard_primary', __( 'Primary Feed' ), 'wp_dashboard_rss_control', array(),
83                 array( 'widget_id' => 'dashboard_primary' )
84         );
85
86
87         // Secondary Feed (Planet) Widget
88         if ( !isset( $widget_options['dashboard_secondary'] ) ) {
89                 $update = true;
90                 $widget_options['dashboard_secondary'] = array(
91                         'link' => apply_filters( 'dashboard_secondary_link',  __( 'http://planet.wordpress.org/' ) ),
92                         'url' => apply_filters( 'dashboard_secondary_feed',  __( 'http://planet.wordpress.org/feed/' ) ),
93                         'title' => apply_filters( 'dashboard_secondary_title', __( 'Other WordPress News' ) ),
94                         'items' => 15
95                 );
96         }
97         wp_register_sidebar_widget( 'dashboard_secondary', $widget_options['dashboard_secondary']['title'], 'wp_dashboard_empty',
98                 array( 'all_link' => $widget_options['dashboard_secondary']['link'], 'feed_link' => $widget_options['dashboard_secondary']['url'], 'width' => 'full' ),
99                 'wp_dashboard_cached_rss_widget', 'wp_dashboard_secondary_output'
100         );
101         wp_register_widget_control( 'dashboard_secondary', __( 'Secondary Feed' ), 'wp_dashboard_rss_control', array(),
102                 array( 'widget_id' => 'dashboard_secondary', 'form_inputs' => array( 'show_summary' => false, 'show_author' => false, 'show_date' => false ) )
103         );
104
105
106                 /* Dashboard Widget Template
107                 wp_register_sidebar_widget( $widget_id (unique slug) , $widget_title, $output_callback,
108                         array(
109                                 'all_link'  => full url for "See All" link,
110                                 'feed_link' => full url for "RSS" link,
111                                 'width'     => 'fourth', 'third', 'half', 'full' (defaults to 'half'),
112                                 'height'    => 'single', 'double' (defaults to 'single'),
113                         ),
114                         $wp_dashboard_empty_callback (only needed if using 'wp_dashboard_empty' as your $output_callback),
115                         $arg, $arg, $arg... (further args passed to callbacks)
116                 );
117
118                 // optional: if you want users to be able to edit the settings of your widget, you need to register a widget_control
119                 wp_register_widget_control( $widget_id, $widget_control_title, $control_output_callback,
120                         array(), // leave an empty array here: oddity in widget code
121                         array(
122                                 'widget_id' => $widget_id, // Yes - again.  This is required: oddity in widget code
123                                 'arg'       => an arg to pass to the $control_output_callback,
124                                 'another'   => another arg to pass to the $control_output_callback,
125                                 ...
126                         )
127                 );
128                 */
129
130         // Hook to register new widgets
131         do_action( 'wp_dashboard_setup' );
132
133         // Hard code the sidebar's widgets and order
134         $dashboard_widgets = array();
135         $dashboard_widgets[] = 'dashboard_recent_comments';
136         $dashboard_widgets[] = 'dashboard_incoming_links';
137         $dashboard_widgets[] = 'dashboard_primary';
138         if ( current_user_can( 'activate_plugins' ) )
139                 $dashboard_widgets[] = 'dashboard_plugins';
140         $dashboard_widgets[] = 'dashboard_secondary';
141
142         // Filter widget order
143         $dashboard_widgets = apply_filters( 'wp_dashboard_widgets', $dashboard_widgets );
144
145         $wp_dashboard_sidebars = array( 'wp_dashboard' => $dashboard_widgets, 'array_version' => 3.5 );
146
147         add_filter( 'dynamic_sidebar_params', 'wp_dashboard_dynamic_sidebar_params' );
148
149         if ( 'POST' == $_SERVER['REQUEST_METHOD'] && isset($_POST['widget_id']) ) {
150                 ob_start(); // hack - but the same hack wp-admin/widgets.php uses
151                 wp_dashboard_trigger_widget_control( $_POST['widget_id'] );
152                 ob_end_clean();
153                 wp_redirect( remove_query_arg( 'edit' ) );
154                 exit;
155         }
156
157         if ( $update )
158                 update_option( 'dashboard_widget_options', $widget_options );
159 }
160
161 // Echoes out the dashboard
162 function wp_dashboard() {
163         echo "<div id='dashboard-widgets'>\n\n";
164
165         // We're already filtering dynamic_sidebar_params obove
166         add_filter( 'option_sidebars_widgets', 'wp_dashboard_sidebars_widgets' ); // here there be hackery
167         dynamic_sidebar( 'wp_dashboard' );
168         remove_filter( 'option_sidebars_widgets', 'wp_dashboard_sidebars_widgets' );
169
170         echo "<br class='clear' />\n</div>\n\n\n";
171 }
172
173 // Makes sidebar_widgets option reflect the dashboard settings
174 function wp_dashboard_sidebars_widgets() { // hackery
175         return $GLOBALS['wp_dashboard_sidebars'];
176 }
177
178 // Modifies sidbar params on the fly to set up ids, class names, titles for each widget (called once per widget)
179 // Switches widget to edit mode if $_GET['edit']
180 function wp_dashboard_dynamic_sidebar_params( $params ) {
181         global $wp_registered_widgets, $wp_registered_widget_controls;
182
183         $sidebar_defaults = array('widget_id' => 0, 'before_widget' => '', 'after_widget' => '', 'before_title' => '', 'after_title' => '');
184         extract( $sidebar_defaults, EXTR_PREFIX_ALL, 'sidebar' );
185         extract( $params[0], EXTR_PREFIX_ALL, 'sidebar' );
186
187         if ( !isset($wp_registered_widgets[$sidebar_widget_id]) || !is_array($wp_registered_widgets[$sidebar_widget_id]) ) {
188                 return $params;
189         }
190         $widget_defaults = array('id' => '', 'width' => '', 'height' => '', 'class' => '', 'feed_link' => '', 'all_link' => '', 'notice' => false, 'error' => false);
191         extract( $widget_defaults, EXTR_PREFIX_ALL, 'widget' );
192         extract( $wp_registered_widgets[$sidebar_widget_id], EXTR_PREFIX_ALL, 'widget' );
193
194         $the_classes = array();
195         if ( in_array($widget_width, array( 'third', 'fourth', 'full' ) ) )
196                 $the_classes[] = $widget_width;
197
198         if ( 'double' == $widget_height )
199                 $the_classes[] = 'double';
200
201         if ( $widget_class )
202                 $the_classes[] = $widget_class;
203
204         // Add classes to the widget holder
205         if ( $the_classes )
206                 $sidebar_before_widget = str_replace( "<div class='dashboard-widget-holder ", "<div class='dashboard-widget-holder " . join( ' ', $the_classes ) . ' ', $sidebar_before_widget );
207
208         $links = array();
209         if ( $widget_all_link )
210                 $links[] = '<a href="' . clean_url( $widget_all_link ) . '">' . __( 'See&nbsp;All' ) . '</a>';
211
212         $content_class = 'dashboard-widget-content';
213         if ( current_user_can( 'edit_dashboard' ) && isset($wp_registered_widget_controls[$widget_id]) && is_callable($wp_registered_widget_controls[$widget_id]['callback']) ) {
214                 // Switch this widget to edit mode
215                 if ( isset($_GET['edit']) && $_GET['edit'] == $widget_id ) {
216                         $content_class .= ' dashboard-widget-control';
217                         $wp_registered_widgets[$widget_id]['callback'] = 'wp_dashboard_empty';
218                         $sidebar_widget_name = $wp_registered_widget_controls[$widget_id]['name'];
219                         $params[1] = 'wp_dashboard_trigger_widget_control';
220                         $sidebar_before_widget .= '<form action="' . clean_url(remove_query_arg( 'edit' ))  . '" method="post">';
221                         $sidebar_after_widget   = "<div class='dashboard-widget-submit'><input type='hidden' name='sidebar' value='wp_dashboard' /><input type='hidden' name='widget_id' value='$widget_id' /><input type='submit' value='" . __( 'Save' ) . "' /></div></form>$sidebar_after_widget";
222                         $links[] = '<a href="' . clean_url(remove_query_arg( 'edit' )) . '">' . __( 'Cancel' ) . '</a>';
223                 } else {
224                         $links[] = '<a href="' . clean_url(add_query_arg( 'edit', $widget_id )) . "#$widget_id" . '">' . __( 'Edit' ) . '</a>';
225                 }
226         }
227
228         if ( $widget_feed_link )
229                 $links[] = '<img class="rss-icon" src="' . includes_url('images/rss.png') . '" alt="' . __( 'rss icon' ) . '" /> <a href="' . clean_url( $widget_feed_link ) . '">' . __( 'RSS' ) . '</a>';
230
231         $links = apply_filters( "wp_dashboard_widget_links_$widget_id", $links );
232
233         // Add links to widget's title bar
234         if ( $links ) {
235                 $sidebar_before_title .= '<span>';
236                 $sidebar_after_title   = '</span><small>' . join( '&nbsp;|&nbsp;', $links ) . "</small><br class='clear' />$sidebar_after_title";
237         }
238
239         // Could have put this in widget-content.  Doesn't really matter
240         if ( $widget_notice )
241                 $sidebar_after_title .= "\t\t\t<div class='dashboard-widget-notice'>$widget_notice</div>\n\n";
242
243         if ( $widget_error )
244                 $sidebar_after_title .= "\t\t\t<div class='dashboard-widget-error'>$widget_error</div>\n\n";
245
246         $sidebar_after_title .= "\t\t\t<div class='$content_class'>\n\n";
247
248         $sidebar_after_widget .= "\t\t\t</div>\n\n";
249
250         foreach( array_keys( $params[0] ) as $key )
251                 $$key = ${'sidebar_' . $key};
252
253         $params[0] = compact( array_keys( $params[0] ) );
254
255         return $params;
256 }
257
258
259 /* Dashboard Widgets */
260
261 function wp_dashboard_recent_comments( $sidebar_args ) {
262         global $comment;
263         extract( $sidebar_args, EXTR_SKIP );
264
265         echo $before_widget;
266
267         echo $before_title;
268         echo $widget_name;
269         echo $after_title;
270
271         $lambda = create_function( '', 'return 5;' );
272         add_filter( 'option_posts_per_rss', $lambda ); // hack - comments query doesn't accept per_page parameter
273         $comments_query = new WP_Query(array('feed' => 'rss2', 'withcomments' => 1));
274         remove_filter( 'option_posts_per_rss', $lambda );
275
276         $is_first = true;
277
278         if ( $comments_query->have_comments() ) {
279                 while ( $comments_query->have_comments() ) { $comments_query->the_comment();
280
281                         $comment_post_url = get_permalink( $comment->comment_post_ID );
282                         $comment_post_title = get_the_title( $comment->comment_post_ID );
283                         $comment_post_link = "<a href='$comment_post_url'>$comment_post_title</a>";
284                         $comment_link = '<a class="comment-link" href="' . get_comment_link() . '">#</a>';
285                         $comment_meta = sprintf( __( 'From <strong>%1$s</strong> on %2$s %3$s' ), get_comment_author(), $comment_post_link, $comment_link );
286
287                         if ( $is_first ) : $is_first = false;
288 ?>
289                                 <blockquote><p>&#8220;<?php comment_excerpt(); ?>&#8221;</p></blockquote>
290                                 <p class='comment-meta'><?php echo $comment_meta; ?></p>
291 <?php
292                                 if ( $comments_query->comment_count > 1 ) : ?>
293                                 <ul id="dashboard-comments-list">
294 <?php
295                                 endif; // comment_count
296                         else : // is_first
297 ?>
298
299                                         <li class='comment-meta'><?php echo $comment_meta; ?></li>
300 <?php
301                         endif; // is_first
302                 }
303
304                 if ( $comments_query->comment_count > 1 ) : ?>
305                                 </ul>
306 <?php
307                 endif; // comment_count;
308
309         }
310
311         echo $after_widget;
312 }
313
314 // $sidebar_args are handled by wp_dashboard_empty()
315 function wp_dashboard_incoming_links_output() {
316         $widgets = get_option( 'dashboard_widget_options' );
317         @extract( @$widgets['dashboard_incoming_links'], EXTR_SKIP );
318         $rss = @fetch_rss( $url );
319         if ( isset($rss->items) && 0 < count($rss->items) )  {
320
321                 echo "<ul>\n";
322
323                 $rss->items = array_slice($rss->items, 0, $items);
324                 foreach ( $rss->items as $item ) {
325                         $publisher = '';
326                         $site_link = '';
327                         $link = '';
328                         $content = '';
329                         $date = '';
330                         $link = clean_url( strip_tags( $item['link'] ) );
331
332                         if ( isset( $item['author_uri'] ) )
333                                 $site_link = clean_url( strip_tags( $item['author_uri'] ) );
334
335                         if ( !$publisher = wp_specialchars( strip_tags( isset($item['dc']['publisher']) ? $item['dc']['publisher'] : $item['author_name'] ) ) )
336                                 $publisher = __( 'Somebody' );
337                         if ( $site_link )
338                                 $publisher = "<a href='$site_link'>$publisher</a>";
339                         else
340                                 $publisher = "<strong>$publisher</strong>";
341
342                         if ( isset($item['description']) )
343                                 $content = $item['description'];
344                         elseif ( isset($item['summary']) )
345                                 $content = $item['summary'];
346                         elseif ( isset($item['atom_content']) )
347                                 $content = $item['atom_content'];
348                         else
349                                 $content = __( 'something' );
350                         $content = wp_html_excerpt($content, 50) . ' ...';
351                         if ( $link )
352                                 $text = _c( '%1$s linked here <a href="%2$s">saying</a>, "%3$s"|feed_display' );
353                         else
354                                 $text = _c( '%1$s linked here saying, "%3$s"|feed_display' );
355
356                         if ( $show_date ) {
357                                 if ( $show_author || $show_summary )
358                                         $text .= _c( ' on %4$s|feed_display' );
359                                 $date = wp_specialchars( strip_tags( isset($item['pubdate']) ? $item['pubdate'] : $item['published'] ) );
360                                 $date = strtotime( $date );
361                                 $date = gmdate( get_option( 'date_format' ), $date );
362                         }
363
364                         echo "\t<li>" . sprintf( _c( "$text|feed_display" ), $publisher, $link, $content, $date ) . "</li>\n";
365                 }
366
367                 echo "</ul>\n";
368
369         } else {
370                 echo '<p>' . __('This dashboard widget queries <a href="http://blogsearch.google.com/">Google Blog Search</a> so that when another blog links to your site it will show up here. It has found no incoming links&hellip; yet. It&#8217;s okay &#8212; there is no rush.') . "</p>\n";
371         }
372 }
373
374 // $sidebar_args are handled by wp_dashboard_empty()
375 function wp_dashboard_rss_output( $widget_id ) {
376         $widgets = get_option( 'dashboard_widget_options' );
377         wp_widget_rss_output( $widgets[$widget_id] );
378 }
379
380 // $sidebar_args are handled by wp_dashboard_empty()
381 function wp_dashboard_secondary_output() {
382         $widgets = get_option( 'dashboard_widget_options' );
383         @extract( @$widgets['dashboard_secondary'], EXTR_SKIP );
384         $rss = @fetch_rss( $url );
385         if ( !isset($rss->items) || 0 == count($rss->items) )
386                 return false;
387
388         echo "<ul id='planetnews'>\n";
389
390         $rss->items = array_slice($rss->items, 0, $items);
391         foreach ($rss->items as $item ) {
392                 $title = wp_specialchars($item['title']);
393                 list($author,$post) = explode( ':', $title, 2 );
394                 $link = clean_url($item['link']);
395
396                 echo "\t<li><a href='$link'><span class='post'>$post</span><span class='hidden'> - </span><cite>$author</cite></a></li>\n";
397         }
398
399         echo "</ul>\n<br class='clear' />\n";
400 }
401
402 // $sidebar_args are handled by wp_dashboard_empty()
403 function wp_dashboard_plugins_output() {
404         $popular = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/popular/' );
405         $new     = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/new/' );
406         $updated = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/updated/' );
407
408         foreach ( array( 'popular' => __('Most Popular'), 'new' => __('Newest Plugins'), 'updated' => __('Recently Updated') ) as $feed => $label ) {
409                 if ( !isset($$feed->items) || 0 == count($$feed->items) )
410                         continue;
411
412                 $$feed->items = array_slice($$feed->items, 0, 5);
413                 $item_key = array_rand($$feed->items);
414
415                 // Eliminate some common badly formed plugin descriptions
416                 while ( ( null !== $item_key = array_rand($$feed->items) ) && false !== strpos( $$feed->items[$item_key]['description'], 'Plugin Name:' ) )
417                         unset($$feed->items[$item_key]);
418
419                 if ( !isset($$feed->items[$item_key]) )
420                         continue;
421
422                 $item = $$feed->items[$item_key];
423
424                 // current bbPress feed item titles are: user on "topic title"
425                 if ( preg_match( '/"(.*)"/s', $item['title'], $matches ) )
426                         $title = $matches[1];
427                 else // but let's make it forward compatible if things change
428                         $title = $item['title'];
429                 $title = wp_specialchars( $title );
430
431                 $description = wp_specialchars( strip_tags(html_entity_decode($item['description'], ENT_QUOTES)) );
432
433                 list($link, $frag) = explode( '#', $item['link'] );
434
435                 $link = clean_url($link);
436                 $dlink = rtrim($link, '/') . '/download/';
437
438                 echo "<h4>$label</h4>\n";
439                 echo "<h5><a href='$link'>$title</a></h5>&nbsp;<span>(<a href='$dlink'>" . __( 'Download' ) . "</a>)</span>\n";
440                 echo "<p>$description</p>\n";
441         }
442 }
443
444 // Checks to see if all of the feed url in $check_urls are cached.
445 // If $check_urls is empty, look for the rss feed url found in the dashboard widget optios of $widget_id.
446 // If cached, call $callback, a function that echoes out output for this widget.
447 // If not cache, echo a "Loading..." stub which is later replaced by AJAX call (see top of /wp-admin/index.php)
448 function wp_dashboard_cached_rss_widget( $widget_id, $callback, $check_urls = array() ) {
449         $loading = '<p class="widget-loading">' . __( 'Loading&#8230;' ) . '</p>';
450
451         if ( empty($check_urls) ) {
452                 $widgets = get_option( 'dashboard_widget_options' );
453                 if ( empty($widgets[$widget_id]['url']) ) {
454                         echo $loading;
455                         return false;
456                 }
457                 $check_urls = array( $widgets[$widget_id]['url'] );
458         }
459
460
461         require_once( ABSPATH . WPINC . '/rss.php' );
462         init(); // initialize rss constants
463
464         $cache = new RSSCache( MAGPIE_CACHE_DIR, MAGPIE_CACHE_AGE );
465
466         foreach ( $check_urls as $check_url ) {
467                 $status = $cache->check_cache( $check_url );
468                 if ( 'HIT' !== $status ) {
469                         echo $loading;
470                         return false;
471                 }
472         }
473
474         if ( $callback && is_callable( $callback ) ) {
475                 $args = array_slice( func_get_args(), 2 );
476                 array_unshift( $args, $widget_id );
477                 call_user_func_array( $callback, $args );
478         }
479
480         return true;
481 }
482
483 // Empty widget used for JS/AJAX created output.
484 // Callback inserts content between before_widget and after_widget.  Used when widget is in edit mode.  Can also be used for custom widgets.
485 function wp_dashboard_empty( $sidebar_args, $callback = false ) {
486         extract( $sidebar_args, EXTR_SKIP );
487
488         echo $before_widget;
489
490         echo $before_title;
491         echo $widget_name;
492         echo $after_title;
493
494         // When in edit mode, the callback passed to this function is the widget_control callback
495         if ( $callback && is_callable( $callback ) ) {
496                 $args = array_slice( func_get_args(), 2 );
497                 array_unshift( $args, $widget_id );
498                 call_user_func_array( $callback, $args );
499         }
500
501         echo $after_widget;
502 }
503
504 /* Dashboard Widgets Controls. Ssee also wp_dashboard_empty() */
505
506 // Calls widget_control callback
507 function wp_dashboard_trigger_widget_control( $widget_control_id = false ) {
508         global $wp_registered_widget_controls;
509         if ( is_scalar($widget_control_id) && $widget_control_id && isset($wp_registered_widget_controls[$widget_control_id]) && is_callable($wp_registered_widget_controls[$widget_control_id]['callback']) )
510                 call_user_func_array( $wp_registered_widget_controls[$widget_control_id]['callback'], $wp_registered_widget_controls[$widget_control_id]['params'] );
511 }
512
513 // Sets up $args to be used as input to wp_widget_rss_form(), handles POST data from RSS-type widgets
514 function wp_dashboard_rss_control( $args ) {
515         extract( $args );
516         if ( !$widget_id )
517                 return false;
518
519         if ( !$widget_options = get_option( 'dashboard_widget_options' ) )
520                 $widget_options = array();
521
522         if ( !isset($widget_options[$widget_id]) )
523                 $widget_options[$widget_id] = array();
524
525         $number = 1; // Hack to use wp_widget_rss_form()
526         $widget_options[$widget_id]['number'] = $number;
527
528         if ( 'POST' == $_SERVER['REQUEST_METHOD'] && isset($_POST['widget-rss'][$number]) ) {
529                 $_POST['widget-rss'][$number] = stripslashes_deep( $_POST['widget-rss'][$number] );
530                 $widget_options[$widget_id] = wp_widget_rss_process( $_POST['widget-rss'][$number] );
531                 // title is optional.  If black, fill it if possible
532                 if ( !$widget_options[$widget_id]['title'] && isset($_POST['widget-rss'][$number]['title']) ) {
533                         require_once(ABSPATH . WPINC . '/rss.php');
534                         $rss = fetch_rss($widget_options[$widget_id]['url']);
535                         $widget_options[$widget_id]['title'] = htmlentities(strip_tags($rss->channel['title']));
536                 }
537                 update_option( 'dashboard_widget_options', $widget_options );
538         }
539
540         wp_widget_rss_form( $widget_options[$widget_id], $form_inputs );
541 }
542
543 ?>