Misc code cleanup

sys/db/dbreg.php

@@ -62,7 +62,7 @@ class DB_Reg {
 	 *
 	 * @return array
 	 */
-	public function get_connections()
+	public static function get_connections()
 	{
 		return array_keys(self::$instance);
 	}

sys/windows/widgets/connection_sidebar.php

@@ -197,7 +197,6 @@ class Connection_Sidebar extends GtkVBox {
 		{
 			// get the row and column
 			$path_array = $view->get_path_at_pos($event->x, $event->y);
-        	$path = $path_array[0][0];
         	$col = $path_array[1];
 
 			// Don't try to get values for an item that doesn't exist. Instead, return,
@@ -209,7 +208,7 @@ class Connection_Sidebar extends GtkVBox {
 			}
 		}
 
-		$this->menu = $this->conn_popup_menu($path, $event, $col, $path_array);
+		$this->menu = $this->conn_popup_menu($path_array);
 	}
 
 	// --------------------------------------------------------------------------
@@ -217,13 +216,10 @@ class Connection_Sidebar extends GtkVBox {
 	/**
 	 * Creates and displays a context menu for the selected connection
 	 *
-	 * @param  array $pos
-	 * @param  object $event
-	 * @param  object $col
 	 * @param  array  $all
 	 * @return void
 	 */
-	public function conn_popup_menu($pos, $event, $col, $all)
+	public function conn_popup_menu($all)
 	{
 		$this->menu = new GtkMenu();
 

sys/windows/widgets/db_info_widget.php

@@ -432,7 +432,7 @@ class DB_Info_Widget extends GtkTable {
 		// parameters
 		try
 		{
-			$db = new Query_Builder($params);
+			new Query_Builder($params);
 		}
 		catch (PDOException $e)
 		{

sys/windows/widgets/db_tabs.php

@@ -45,8 +45,6 @@ class DB_tabs extends GTKNotebook {
 
 		// Move the tab bar to the bottom
 		$this->set_tab_pos(Gtk::POS_BOTTOM);
-
-		$this->add_tab('Tables');
 	}
 
 	// --------------------------------------------------------------------------