+package org.argeo.suite.ui;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+
+import org.argeo.cms.auth.CurrentUser;
+import org.argeo.cms.ui.CmsUiProvider;
+import org.argeo.cms.ui.CmsView;
+import org.argeo.cms.ui.widgets.auth.CmsLogin;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+
+/** Provides a login screen. */
+public class DefaultLoginScreen implements CmsUiProvider {
+
+ @Override
+ public Control createUi(Composite parent, Node context) throws RepositoryException {
+ CmsView cmsView = CmsView.getCmsView(parent);
+ if (!cmsView.isAnonymous())
+ throw new IllegalStateException(CurrentUser.getUsername() + " is already logged in");
+
+ parent.setLayout(new GridLayout());
+ Composite loginArea = new Composite(parent, SWT.NONE);
+ loginArea.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, true));
+
+ CmsLogin cmsLogin = new CmsLogin(cmsView);
+ cmsLogin.createUi(loginArea);
+ return cmsLogin.getCredentialsBlock();
+ }
+
+}