PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IXMLWizardHelpContextIds.XML_NEWWIZARD_SELECTSOURCE_HELPID);
composite.setLayout(new GridLayout());
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
setControl(composite);
panel = new SelectFileOrXMLCatalogIdPanel(composite);
panel.setLayoutData(new GridData(GridData.FILL_BOTH));
SelectFileOrXMLCatalogIdPanel.Listener listener = new SelectFileOrXMLCatalogIdPanel.Listener() {
public void completionStateChanged() {
updateErrorMessage();