Changeset 11155

Timestamp:

05/02/2009 12:21:16 AM (16 years ago)

Author:

azaozz

Message:

Add action "in_widget_form" allowing plugins to add extra fields, don't show "Save" button if a widget doesn't have settings form, fixes #9651

Location:

trunk

Files:

• wp-admin/includes/widgets.php (modified) (2 diffs)
• wp-includes/widgets.php (modified) (2 diffs)

trunk/wp-admin/includes/widgets.php

@@ -167 +167 @@
 
     $widget_title = wp_specialchars( strip_tags( $sidebar_args['widget_name'] ) );
-    $has_form = 0;
+    $has_form = 'noform';
 
     echo $sidebar_args['before_widget']; ?>
@@ -196 +196 @@
     <div class="widget-control-actions">
         <a class="button widget-control-remove alignleft" href="<?php echo $edit ? clean_url( add_query_arg( array( 'remove' => $id_format, 'key' => $key, '_wpnonce' => $nonce ) ) ) : '#remove'; ?>"><?php _e('Remove'); ?></a>
-<?php       if ( false !== $has_form ) { ?>
+<?php       if ( 'noform' !== $has_form ) { ?>
         <input type="submit" name="savewidget" class="button-primary widget-control-save alignright" value="<?php _e('Save'); ?>" />
 <?php       } ?>

trunk/wp-includes/widgets.php

@@ -66 +66 @@
     function form($instance) {
         echo '<p>' . __('There are no options for this widget.') . '</p>';
-        return false;
+        return 'noform';
     }
 
@@ -260 +260 @@
         // filters the widget admin form before displaying, return false to stop displaying it
         $instance = apply_filters('widget_form_callback', $instance, $this);
-        if ( false !== $instance )
-            $this->form($instance);
+
+        $return = null;
+        if ( false !== $instance ) {
+            $return = $this->form($instance);
+            if ( 'noform' !== $return )
+                do_action_ref_array( 'in_widget_form', array(&$this) ); // add extra fields in the widget form
+        }
+        return $return;
     }