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diff --git a/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/model/WorkspaceElem.java b/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/model/WorkspaceElem.java
new file mode 100644
index 000000000..bb9b69caf
--- /dev/null
+++ b/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/model/WorkspaceElem.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.jcr.ui.explorer.model;
+
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.Workspace;
+
+import org.argeo.ArgeoException;
+import org.argeo.eclipse.ui.TreeParent;
+import org.argeo.jcr.JcrUtils;
+
+/**
+ * UI Tree component. Wraps the root node of a JCR {@link Workspace}. It also
+ * keeps a reference to its parent {@link RepositoryElem}, to be able to
+ * retrieve alias of the current used repository
+ */
+public class WorkspaceElem extends TreeParent {
+	private Session session = null;
+
+	public WorkspaceElem(RepositoryElem parent, String name) {
+		this(parent, name, null);
+	}
+
+	public WorkspaceElem(RepositoryElem parent, String name, Session session) {
+		super(name);
+		this.session = session;
+		setParent(parent);
+	}
+
+	public Session getSession() {
+		return session;
+	}
+
+	public Node getRootNode() {
+		try {
+			if (session != null)
+				return session.getRootNode();
+			else
+				return null;
+		} catch (RepositoryException e) {
+			throw new ArgeoException("Cannot get root node of workspace "
+					+ getName(), e);
+		}
+	}
+
+	public void login() {
+		try {
+			session = ((RepositoryElem) getParent()).repositoryLogin(getName());
+		} catch (RepositoryException e) {
+			throw new ArgeoException("Cannot connect to repository "
+					+ getName(), e);
+		}
+	}
+
+	public Boolean isConnected() {
+		if (session != null && session.isLive())
+			return true;
+		else
+			return false;
+	}
+
+	@Override
+	public synchronized void dispose() {
+		logout();
+		super.dispose();
+	}
+
+	/** Logouts the session, does not nothing if there is no live session. */
+	public void logout() {
+		clearChildren();
+		JcrUtils.logoutQuietly(session);
+	}
+
+	@Override
+	public boolean hasChildren() {
+		try {
+			if (isConnected())
+				return session.getRootNode().hasNodes();
+			else
+				return false;
+		} catch (RepositoryException re) {
+			throw new ArgeoException(
+					"Unexpected error while checking children node existence",
+					re);
+		}
+	}
+
+	/** Override normal behaviour to initialize display of the workspace */
+	@Override
+	public synchronized Object[] getChildren() {
+		if (isLoaded()) {
+			return super.getChildren();
+		} else {
+			// initialize current object
+			try {
+				Node rootNode;
+				if (session == null)
+					return null;
+				else
+					rootNode = session.getRootNode();
+				NodeIterator ni = rootNode.getNodes();
+				while (ni.hasNext()) {
+					Node node = ni.nextNode();
+					addChild(new SingleJcrNodeElem(this, node, node.getName()));
+				}
+				return super.getChildren();
+			} catch (RepositoryException e) {
+				throw new ArgeoException(
+						"Cannot initialize WorkspaceNode UI object."
+								+ getName(), e);
+			}
+		}
+	}
+}