source: trunk/www.guidonia.net/wp/wp-admin/widgets.php@ 44

Last change on this file since 44 was 44, checked in by luciano, 15 years ago
File size: 12.7 KB
RevLine 
[44]1<?php
2/**
3 * Widgets administration panel.
4 *
5 * @package WordPress
6 * @subpackage Administration
7 */
8
9/** WordPress Administration Bootstrap */
10require_once( 'admin.php' );
11
12/** WordPress Administration Widgets API */
13require_once(ABSPATH . 'wp-admin/includes/widgets.php');
14
15if ( ! current_user_can('switch_themes') )
16 wp_die( __( 'Cheatin&#8217; uh?' ));
17
18wp_enqueue_script('admin-widgets');
19wp_admin_css( 'widgets' );
20
21do_action( 'sidebar_admin_setup' );
22
23$title = __( 'Widgets' );
24$parent_file = 'themes.php';
25
26// register the inactive_widgets area as sidebar
27register_sidebar(array(
28 'name' => __('Inactive Widgets'),
29 'id' => 'wp_inactive_widgets',
30 'before_widget' => '',
31 'after_widget' => '',
32 'before_title' => '',
33 'after_title' => '',
34));
35
36// These are the widgets grouped by sidebar
37$sidebars_widgets = wp_get_sidebars_widgets();
38if ( empty( $sidebars_widgets ) )
39 $sidebars_widgets = wp_get_widget_defaults();
40
41// look for "lost" widgets, this has to run at least on each theme change
42function retrieve_widgets() {
43 global $wp_registered_widget_updates, $wp_registered_sidebars, $sidebars_widgets, $wp_registered_widgets;
44
45 $_sidebars_widgets = array();
46 $sidebars = array_keys($wp_registered_sidebars);
47
48 unset( $sidebars_widgets['array_version'] );
49
50 $old = array_keys($sidebars_widgets);
51 sort($old);
52 sort($sidebars);
53
54 if ( $old == $sidebars )
55 return;
56
57 // Move the known-good ones first
58 foreach ( $sidebars as $id ) {
59 if ( array_key_exists( $id, $sidebars_widgets ) ) {
60 $_sidebars_widgets[$id] = $sidebars_widgets[$id];
61 unset($sidebars_widgets[$id], $sidebars[$id]);
62 }
63 }
64
65 // if new theme has less sidebars than the old theme
66 if ( !empty($sidebars_widgets) ) {
67 foreach ( $sidebars_widgets as $lost => $val ) {
68 if ( is_array($val) )
69 $_sidebars_widgets['wp_inactive_widgets'] = array_merge( (array) $_sidebars_widgets['wp_inactive_widgets'], $val );
70 }
71 }
72
73 // discard invalid, theme-specific widgets from sidebars
74 $shown_widgets = array();
75 foreach ( $_sidebars_widgets as $sidebar => $widgets ) {
76 if ( !is_array($widgets) )
77 continue;
78
79 $_widgets = array();
80 foreach ( $widgets as $widget ) {
81 if ( isset($wp_registered_widgets[$widget]) )
82 $_widgets[] = $widget;
83 }
84 $_sidebars_widgets[$sidebar] = $_widgets;
85 $shown_widgets = array_merge($shown_widgets, $_widgets);
86 }
87
88 $sidebars_widgets = $_sidebars_widgets;
89 unset($_sidebars_widgets, $_widgets);
90
91 // find hidden/lost multi-widget instances
92 $lost_widgets = array();
93 foreach ( $wp_registered_widgets as $key => $val ) {
94 if ( in_array($key, $shown_widgets, true) )
95 continue;
96
97 $number = preg_replace('/.+?-([0-9]+)$/', '$1', $key);
98
99 if ( 2 > (int) $number )
100 continue;
101
102 $lost_widgets[] = $key;
103 }
104
105 $sidebars_widgets['wp_inactive_widgets'] = array_merge($lost_widgets, (array) $sidebars_widgets['wp_inactive_widgets']);
106 wp_set_sidebars_widgets($sidebars_widgets);
107}
108retrieve_widgets();
109
110if ( count($wp_registered_sidebars) == 1 ) {
111 // If only "wp_inactive_widgets" is defined the theme has no sidebars, die.
112 require_once( 'admin-header.php' );
113?>
114
115 <div class="wrap">
116 <?php screen_icon(); ?>
117 <h2><?php echo esc_html( $title ); ?></h2>
118 <div class="error">
119 <p><?php _e( 'No Sidebars Defined' ); ?></p>
120 </div>
121 <p><?php _e( 'The theme you are currently using isn&#8217;t widget-aware, meaning that it has no sidebars that you are able to change. For information on making your theme widget-aware, please <a href="http://codex.wordpress.org/Widgetizing_Themes">follow these instructions</a>.' ); ?></p>
122 </div>
123
124<?php
125 require_once( 'admin-footer.php' );
126 exit;
127}
128
129// We're saving a widget without js
130if ( isset($_POST['savewidget']) || isset($_POST['removewidget']) ) {
131 $widget_id = $_POST['widget-id'];
132 check_admin_referer("save-delete-widget-$widget_id");
133
134 $number = isset($_POST['multi_number']) ? (int) $_POST['multi_number'] : '';
135 if ( $number ) {
136 foreach ( $_POST as $key => $val ) {
137 if ( is_array($val) && preg_match('/__i__|%i%/', key($val)) ) {
138 $_POST[$key] = array( $number => array_shift($val) );
139 break;
140 }
141 }
142 }
143
144 $sidebar_id = $_POST['sidebar'];
145 $position = isset($_POST[$sidebar_id . '_position']) ? (int) $_POST[$sidebar_id . '_position'] - 1 : 0;
146
147 $id_base = $_POST['id_base'];
148 $sidebar = isset($sidebars_widgets[$sidebar_id]) ? $sidebars_widgets[$sidebar_id] : array();
149
150 // delete
151 if ( isset($_POST['removewidget']) && $_POST['removewidget'] ) {
152
153 if ( !in_array($widget_id, $sidebar, true) ) {
154 wp_redirect('widgets.php?error=0');
155 exit;
156 }
157
158 $sidebar = array_diff( $sidebar, array($widget_id) );
159 $_POST = array('sidebar' => $sidebar_id, 'widget-' . $id_base => array(), 'the-widget-id' => $widget_id, 'delete_widget' => '1');
160 }
161
162 $_POST['widget-id'] = $sidebar;
163
164 foreach ( (array) $wp_registered_widget_updates as $name => $control ) {
165 if ( $name != $id_base || !is_callable($control['callback']) )
166 continue;
167
168 ob_start();
169 call_user_func_array( $control['callback'], $control['params'] );
170 ob_end_clean();
171
172 break;
173 }
174
175 $sidebars_widgets[$sidebar_id] = $sidebar;
176
177 // remove old position
178 if ( !isset($_POST['delete_widget']) ) {
179 foreach ( $sidebars_widgets as $key => $sb ) {
180 if ( is_array($sb) )
181 $sidebars_widgets[$key] = array_diff( $sb, array($widget_id) );
182 }
183 array_splice( $sidebars_widgets[$sidebar_id], $position, 0, $widget_id );
184 }
185
186 wp_set_sidebars_widgets($sidebars_widgets);
187 wp_redirect('widgets.php?message=0');
188 exit;
189}
190
191// Output the widget form without js
192if ( isset($_GET['editwidget']) && $_GET['editwidget'] ) {
193 $widget_id = $_GET['editwidget'];
194
195 if ( isset($_GET['addnew']) ) {
196 // Default to the first sidebar
197 $sidebar = array_shift( $keys = array_keys($wp_registered_sidebars) );
198
199 if ( isset($_GET['base']) && isset($_GET['num']) ) { // multi-widget
200 // Copy minimal info from an existing instance of this widget to a new instance
201 foreach ( $wp_registered_widget_controls as $control ) {
202 if ( $_GET['base'] === $control['id_base'] ) {
203 $control_callback = $control['callback'];
204 $multi_number = (int) $_GET['num'];
205 $control['params'][0]['number'] = -1;
206 $widget_id = $control['id'] = $control['id_base'] . '-' . $multi_number;
207 $wp_registered_widget_controls[$control['id']] = $control;
208 break;
209 }
210 }
211 }
212 }
213
214 if ( isset($wp_registered_widget_controls[$widget_id]) && !isset($control) ) {
215 $control = $wp_registered_widget_controls[$widget_id];
216 $control_callback = $control['callback'];
217 } elseif ( !isset($wp_registered_widget_controls[$widget_id]) && isset($wp_registered_widgets[$widget_id]) ) {
218 $name = esc_html( strip_tags($wp_registered_widgets[$widget_id]['name']) );
219 }
220
221 if ( !isset($name) )
222 $name = esc_html( strip_tags($control['name']) );
223
224 if ( !isset($sidebar) )
225 $sidebar = isset($_GET['sidebar']) ? $_GET['sidebar'] : 'wp_inactive_widgets';
226
227 if ( !isset($multi_number) )
228 $multi_number = isset($control['params'][0]['number']) ? $control['params'][0]['number'] : '';
229
230 $id_base = isset($control['id_base']) ? $control['id_base'] : $control['id'];
231
232 // show the widget form
233 $width = ' style="width:' . max($control['width'], 350) . 'px"';
234 $key = isset($_GET['key']) ? (int) $_GET['key'] : 0;
235
236 require_once( 'admin-header.php' ); ?>
237 <div class="wrap">
238 <?php screen_icon(); ?>
239 <h2><?php echo esc_html( $title ); ?></h2>
240 <div class="editwidget"<?php echo $width; ?>>
241 <h3><?php printf( __( 'Widget %s' ), $name ); ?></h3>
242
243 <form action="widgets.php" method="post">
244 <div class="widget-inside">
245<?php
246 if ( is_callable( $control_callback ) )
247 call_user_func_array( $control_callback, $control['params'] );
248 else
249 echo '<p>' . __('There are no options for this widget.') . "</p>\n"; ?>
250 </div>
251
252 <p class="describe"><?php _e('Select both the sidebar for this widget and the position of the widget in that sidebar.'); ?></p>
253 <div class="widget-position">
254 <table class="widefat"><thead><tr><th><?php _e('Sidebar'); ?></th><th><?php _e('Position'); ?></th></tr></thead><tbody>
255<?php foreach ( $wp_registered_sidebars as $sbname => $sbvalue ) {
256 echo "\t\t<tr><td><label><input type='radio' name='sidebar' value='" . esc_attr($sbname) . "'" . checked( $sbname, $sidebar, false ) . " /> $sbvalue[name]</label></td><td>";
257 if ( 'wp_inactive_widgets' == $sbname ) {
258 echo '&nbsp;';
259 } else {
260 if ( !isset($sidebars_widgets[$sbname]) || !is_array($sidebars_widgets[$sbname]) ) {
261 $j = 1;
262 } else {
263 $j = count($sidebars_widgets[$sbname]);
264 if ( isset($_GET['addnew']) || !in_array($widget_id, $sidebars_widgets[$sbname], true) )
265 $j++;
266 }
267 $selected = '';
268 echo "\t\t<select name='{$sbname}_position'>\n";
269 echo "\t\t<option value=''>" . __('-- select --') . "</option>\n";
270 for ( $i = 1; $i <= $j; $i++ ) {
271 if ( in_array($widget_id, $sidebars_widgets[$sbname], true) )
272 $selected = selected( $i, $key + 1, false );
273 echo "\t\t<option value='$i'$selected> $i </option>\n";
274 }
275 echo "\t\t</select>\n";
276 }
277 echo "</td></tr>\n";
278 } ?>
279 </tbody></table>
280 </div>
281
282 <div class="widget-control-actions">
283<?php if ( isset($_GET['addnew']) ) { ?>
284 <a href="widgets.php" class="button alignleft"><?php _e('Cancel'); ?></a>
285<?php } else { ?>
286 <input type="submit" name="removewidget" class="button alignleft" value="<?php esc_attr_e('Remove'); ?>" />
287<?php } ?>
288 <input type="submit" name="savewidget" class="button-primary alignright" value="<?php esc_attr_e('Save Widget'); ?>" />
289 <input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr($widget_id); ?>" />
290 <input type="hidden" name="id_base" class="id_base" value="<?php echo esc_attr($id_base); ?>" />
291 <input type="hidden" name="multi_number" class="multi_number" value="<?php echo esc_attr($multi_number); ?>" />
292<?php wp_nonce_field("save-delete-widget-$widget_id"); ?>
293 <br class="clear" />
294 </div>
295 </form>
296 </div>
297 </div>
298<?php
299 require_once( 'admin-footer.php' );
300 exit;
301}
302
303$widgets_access = get_user_setting( 'widgets_access' );
304if ( isset($_GET['widgets-access']) ) {
305 $widgets_access = 'on' == $_GET['widgets-access'] ? 'on' : 'off';
306 set_user_setting( 'widgets_access', $widgets_access );
307}
308
309if ( 'on' == $widgets_access )
310 add_filter( 'admin_body_class', create_function('', '{return " widgets_access ";}') );
311
312$messages = array(
313 __('Changes saved.')
314);
315
316$errors = array(
317 __('Error while saving.'),
318 __('Error in displaying the widget settings form.')
319);
320
321require_once( 'admin-header.php' ); ?>
322
323<div class="wrap">
324<?php screen_icon(); ?>
325<h2><?php echo esc_html( $title ); ?></h2>
326
327<?php if ( isset($_GET['message']) && isset($messages[$_GET['message']]) ) { ?>
328<div id="message" class="updated fade"><p><?php echo $messages[$_GET['message']]; ?></p></div>
329<?php } ?>
330<?php if ( isset($_GET['error']) && isset($errors[$_GET['error']]) ) { ?>
331<div id="message" class="error"><p><?php echo $errors[$_GET['error']]; ?></p></div>
332<?php } ?>
333
334<div class="widget-liquid-left">
335<div id="widgets-left">
336 <div id="available-widgets" class="widgets-holder-wrap">
337 <div class="sidebar-name">
338 <div class="sidebar-name-arrow"><br /></div>
339 <h3><?php _e('Available Widgets'); ?> <span id="removing-widget"><?php _e('Deactivate'); ?> <span></span></span></h3></div>
340 <div class="widget-holder">
341 <p class="description"><?php _e('Drag widgets from here to a sidebar on the right to activate them. Drag widgets back here to deactivate them and delete their settings.'); ?></p>
342 <div id="widget-list">
343 <?php wp_list_widgets(); ?>
344 </div>
345 <br class='clear' />
346 </div>
347 <br class="clear" />
348 </div>
349
350 <div class="widgets-holder-wrap">
351 <div class="sidebar-name">
352 <div class="sidebar-name-arrow"><br /></div>
353 <h3><?php _e('Inactive Widgets'); ?>
354 <span><img src="images/wpspin_light.gif" class="ajax-feedback" title="" alt="" /></span></h3></div>
355 <div class="widget-holder inactive">
356 <p class="description"><?php _e('Drag widgets here to remove them from the sidebar but keep their settings.'); ?></p>
357 <?php wp_list_widget_controls('wp_inactive_widgets'); ?>
358 <br class="clear" />
359 </div>
360 </div>
361</div>
362</div>
363
364<div class="widget-liquid-right">
365<div id="widgets-right">
366<?php
367$i = 0;
368foreach ( $wp_registered_sidebars as $sidebar => $registered_sidebar ) {
369 if ( 'wp_inactive_widgets' == $sidebar )
370 continue;
371 $closed = $i ? ' closed' : ''; ?>
372 <div class="widgets-holder-wrap<?php echo $closed; ?>">
373 <div class="sidebar-name">
374 <div class="sidebar-name-arrow"><br /></div>
375 <h3><?php echo esc_html( $registered_sidebar['name'] ); ?>
376 <span><img src="images/wpspin_dark.gif" class="ajax-feedback" title="" alt="" /></span></h3></div>
377 <?php wp_list_widget_controls( $sidebar ); // Show the control forms for each of the widgets in this sidebar ?>
378 </div>
379<?php
380 $i++;
381} ?>
382</div>
383</div>
384<form action="" method="post">
385<?php wp_nonce_field( 'save-sidebar-widgets', '_wpnonce_widgets', false ); ?>
386</form>
387<br class="clear" />
388</div>
389
390<?php
391do_action( 'sidebar_admin_page' );
392require_once( 'admin-footer.php' );
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