Ticket #9651: widgets.php.diff

widgets.php

@@ -164 +164 @@
                 $this->_set( $widget_args['number'] );
                 $settings = $this->get_settings();
 
-                if ( array_key_exists( $this->number, $settings ) )
-                        $this->widget($args, $settings[$this->number]);
+                if ( array_key_exists( $this->number, $settings ) ) {
+            $hide_widget = apply_filters('widget_display_test', $this); //Add hook to test if widget should be displayed. Sends the widget object as a variable. If the call returns ***false*** the widget will not be displayed.   
+            if (!$hide_widget) $this->widget($args, $settings[$this->number]); //Test and display widget. 
+        }
         }
 
         /** Deal with changed settings.
@@ -222 +224 @@
                                         else
                                                 $instance = $this->update($new_instance, array());
 
-                                        if ( false !== $instance )
-                                                $all_instances[$number] = $instance;
+                                        if ( false !== $instance ) {
+                        $widget_options_compare = array($new_instance,$instance); //This array is used to compare the intended instance values (sent iva _POST) with the values overridden by the $this->update function. 
+                        $instance = apply_filters('default_widget_options_update',$widget_options_compare, $this);  //Callback to apply default and/or other options/instance values to be added to list of widget options/values to store in database. Should return widget options/values as array to be updated.
+                        $all_instances[$number] = $instance;
+                    }
                                 }
                         }
 
@@ -250 +255 @@
                         $instance = $all_instances[ $widget_args['number'] ];
                 }
 
-                return $this->form($instance);
+                $this->form($instance);
+        
+        do_action('default_widget_options_display', $this); //Add action hook to display default widget information or options. Sends the widget object as a variable. Anything output by the called function will be displayed below the widget options set by the form function.
         }
 
         /** Helper function: Registers a single instance. */