MethodExecutionHistoryTree tree = getTree();
ActionToolbar actionToolbar = ActionUtil.createActionToolbar("", true,
new ShowGroupedTreeAction(tree),
new DeleteHistoryEntryAction(tree),
ActionUtil.SEPARATOR,
new OpenSettingsAction());
actionsPanel.add(actionToolbar.getComponent());
methodExecutionForms = new HashMap<MethodExecutionInput, MethodExecutionForm>();
GuiUtils.replaceJSplitPaneWithIDEASplitter(mainPanel);
}