Getting towards dynamic sidebar updates

sys/common/data_grid.php

@@ -62,13 +62,11 @@ class Data_Grid extends GtkTreeView {
 	// --------------------------------------------------------------------------
 
 	/**
-	 * Return a new Data_grid object
-	 *
-	 * @param object $model
+	 * Empty the model
 	 */
 	public function reset($model = null)
 	{
-		return new Data_Grid($model);
+		$this->model->clear();
 	}
 }
 // End of data_grid.php

sys/windows/widgets/connection_sidebar.php

@@ -83,8 +83,10 @@ class Connection_Sidebar extends GtkVBox {
 	 */
 	protected function _render()
 	{
-		// Initialize the treeview
-		$this->treeview = new Data_Grid();
+		// Create the treeview
+		$this->treeview = (isset($this->treeview))
+			? $this->treeview
+			: new Data_Grid();
 
 		$model = $this->treeview->get_model();
 
@@ -240,6 +242,16 @@ class Connection_Sidebar extends GtkVBox {
 
 	// --------------------------------------------------------------------------
 
+	/**
+	 * Recreate sidebar widget to update connections
+	 */
+	public function refresh()
+	{
+		$this->_render();
+	}
+
+	// --------------------------------------------------------------------------
+
 	/**
 	 * Update the connection information for an existing connection
 	 */

sys/windows/widgets/db_info_widget.php

@@ -251,7 +251,7 @@ class DB_Info_Widget extends GtkTable {
 		$this->settings->add_db($data['name'], $data);
 
 		// Pass to connection sidebar to update
-		// @todo Add new db to treeview
+		Connection_Sidebar::get_instance()->refresh();
 
 		// Destroy the parent window
 		$parent_window =& $this->get_parent_window();
@@ -278,7 +278,7 @@ class DB_Info_Widget extends GtkTable {
 		$this->settings->update_db($data['name'], $data);
 
 		// Pass to connection sidebar to update
-		// @todo Update db in treeview
+		Connection_Sidebar::get_instance()->refresh();
 		
 		// Let the user know the connection has been updated
 		alert("Changes to database connection have been saved");