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diff --git a/bundles/org.simantics.document.ui/src/org/simantics/document/ui/actions/AddUrlDocument.java b/bundles/org.simantics.document.ui/src/org/simantics/document/ui/actions/AddUrlDocument.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.document.ui.actions;
+
+import org.eclipse.jface.dialogs.InputDialog;
+import org.eclipse.swt.widgets.Display;
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.document.DocumentResource;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.datastructures.Callback;
+import org.simantics.utils.ui.ExceptionUtils;
+import org.simantics.utils.ui.validators.URLValidator;
+
+/**
+ * Action for adding URI-links as documents.
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ */
+public class AddUrlDocument extends AddDocumentAction {
+
+	public AddUrlDocument(ReadGraph graph, String relationUri)
+			throws DatabaseException {
+		super(graph, relationUri);
+	}
+
+
+	@Override
+	public Runnable create(Object target) {
+		if(!(target instanceof Resource))
+			return null;
+		final Resource resource = (Resource)target;
+		return new Runnable() {
+			
+			@Override
+			public void run() {
+				InputDialog dialog = new InputDialog(Display.getCurrent().getActiveShell(), "Add URL", "Input URL", "", new URLValidator());
+				if (dialog.open() != InputDialog.OK)
+					return;
+				final String uriString = dialog.getValue();
+				Simantics.getSession().asyncRequest(new WriteRequest() {
+					@Override
+					public void perform(WriteGraph graph)
+							throws DatabaseException {
+					    graph.markUndoPoint();
+					    
+						Layer0 l0 = Layer0.getInstance(graph);
+						DocumentResource doc = DocumentResource.getInstance(graph);
+						Resource urlDocument = graph.newResource();
+						graph.claim(urlDocument, l0.InstanceOf, doc.UrlDocument);
+						graph.claimLiteral(urlDocument, l0.HasName, uriString);
+						graph.claimLiteral(urlDocument, doc.HasUrl, uriString);
+						
+						linkDocument(graph, resource, urlDocument);
+					}
+				},new Callback<DatabaseException>() {
+					@Override
+					public void run(DatabaseException parameter) {
+						if (parameter != null) {
+							ExceptionUtils.logAndShowError("Cannot add URL link.", parameter);
+						}
+						
+					}
+				});
+			}
+		};
+	}
+	
+}