classpathSetupTab = new ClasspathSetupTab(tabs, p);
mappingSetupTab = new MappingSetupTab(tabs, p);
advancedSetupTab = new AdvancedSetupTab(tabs, p);
tabs.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
ivyFilePathText.updateErrorMarker();
settingsSetupTab.getSettingsEditor().updateErrorMarker();