txtUsername_.setWidth("100%");
if (includeCredentials())
{
VerticalPanel usernamePanel = new VerticalPanel();
usernamePanel.addStyleName(styles.wizardMainColumn());
Label usernameLabel = new Label("Username (if required for this repository URL):");
usernameLabel.addStyleName(styles.wizardTextEntryLabel());
usernamePanel.add(usernameLabel);
usernamePanel.add(txtUsername_);
addWidget(usernamePanel);