private static void removeNode(JMeterTreeNode node) { TestElement testElement = node.getTestElement(); if (testElement.canRemove()) { GuiPackage.getInstance().getTreeModel().removeNodeFromParent(node); GuiPackage.getInstance().removeNode(testElement); testElement.removed(); } else { String message = testElement.getClass().getName() + " is busy"; JOptionPane.showMessageDialog(null, message, "Cannot remove item", JOptionPane.ERROR_MESSAGE); } } }