bundles/org.simantics.document.ui/src/org/simantics/document/ui/actions/AddUrlDocument.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.document.ui.actions;
  13
  14 import org.eclipse.jface.dialogs.InputDialog;
  15 import org.eclipse.swt.widgets.Display;
  16 import org.simantics.Simantics;
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.WriteGraph;
  20 import org.simantics.db.common.request.WriteRequest;
  21 import org.simantics.db.exception.DatabaseException;
  22 import org.simantics.document.AddDocumentAction;
  23 import org.simantics.document.DocumentResource;
  24 import org.simantics.layer0.Layer0;
  25 import org.simantics.utils.datastructures.Callback;
  26 import org.simantics.utils.ui.ExceptionUtils;
  27 import org.simantics.utils.ui.validators.URLValidator;
  28
  29 /**
  30  * Action for adding URI-links as documents.
  31  *
  32  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
  33  *
  34  */
  35 public class AddUrlDocument extends AddDocumentAction {
  36
  37         public AddUrlDocument(ReadGraph graph, String relationUri)
  38                         throws DatabaseException {
  39                 super(graph, relationUri);
  40         }
  41
  42
  43         @Override
  44         public Runnable create(Object target) {
  45                 if(!(target instanceof Resource))
  46                         return null;
  47                 final Resource resource = (Resource)target;
  48                 return new Runnable() {
  49
  50                         @Override
  51                         public void run() {
  52                                 InputDialog dialog = new InputDialog(Display.getCurrent().getActiveShell(), "Add URL", "Input URL", "", new URLValidator());
  53                                 if (dialog.open() != InputDialog.OK)
  54                                         return;
  55                                 final String uriString = dialog.getValue();
  56                                 Simantics.getSession().asyncRequest(new WriteRequest() {
  57                                         @Override
  58                                         public void perform(WriteGraph graph)
  59                                                         throws DatabaseException {
  60                                             graph.markUndoPoint();
  61
  62                                                 Layer0 l0 = Layer0.getInstance(graph);
  63                                                 DocumentResource doc = DocumentResource.getInstance(graph);
  64                                                 Resource urlDocument = graph.newResource();
  65                                                 graph.claim(urlDocument, l0.InstanceOf, doc.UrlDocument);
  66                                                 graph.claimLiteral(urlDocument, l0.HasName, uriString);
  67                                                 graph.claimLiteral(urlDocument, doc.HasUrl, uriString);
  68
  69                                                 linkDocument(graph, resource, urlDocument);
  70                                         }
  71                                 },new Callback<DatabaseException>() {
  72                                         @Override
  73                                         public void run(DatabaseException parameter) {
  74                                                 if (parameter != null) {
  75                                                         ExceptionUtils.logAndShowError("Cannot add URL link.", parameter);
  76                                                 }
  77
  78                                         }
  79                                 });
  80                         }
  81                 };
  82         }
  83
  84 }