macroItemTabFolder = new TabFolder(rootControl, SWT.TOP);
TabItem macroParamsTabItem = new TabItem(macroItemTabFolder, SWT.NONE);
macroParamsTabItem.setText("Params");
macroItemEditor = new MacroItemEditor(macroItemTabFolder, requestBuilder);
macroParamsTabItem.setControl(macroItemEditor);
macroParamsTabItem.setData(macroItemEditor);
TabItem requestTabItem = new TabItem(macroItemTabFolder, SWT.NONE);
requestTabItem.setText("Request");