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.ui.ExceptionUtils;
  26 import org.simantics.utils.ui.validators.URLValidator;
  27
  28 /**
  29  * Action for adding URI-links as documents.
  30  *
  31  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
  32  *
  33  */
  34 public class AddUrlDocument extends AddDocumentAction {
  35
  36         public AddUrlDocument(ReadGraph graph, String relationUri)
  37                         throws DatabaseException {
  38                 super(graph, relationUri);
  39         }
  40
  41
  42         @Override
  43         public Runnable create(Object target) {
  44                 if(!(target instanceof Resource))
  45                         return null;
  46                 final Resource resource = (Resource)target;
  47                 return new Runnable() {
  48
  49                         @Override
  50                         public void run() {
  51                                 InputDialog dialog = new InputDialog(Display.getCurrent().getActiveShell(), Messages.AddUrlDocument_AddURL, Messages.AddUrlDocument_InputURL, "", new URLValidator()); //$NON-NLS-3$
  52                                 if (dialog.open() != InputDialog.OK)
  53                                         return;
  54                                 final String uriString = dialog.getValue();
  55                                 Simantics.getSession().asyncRequest(new WriteRequest() {
  56                                         @Override
  57                                         public void perform(WriteGraph graph)
  58                                                         throws DatabaseException {
  59                                             graph.markUndoPoint();
  60
  61                                                 Layer0 l0 = Layer0.getInstance(graph);
  62                                                 DocumentResource doc = DocumentResource.getInstance(graph);
  63                                                 Resource urlDocument = graph.newResource();
  64                                                 graph.claim(urlDocument, l0.InstanceOf, doc.UrlDocument);
  65                                                 graph.claimLiteral(urlDocument, l0.HasName, uriString);
  66                                                 graph.claimLiteral(urlDocument, doc.HasUrl, uriString);
  67
  68                                                 linkDocument(graph, resource, urlDocument);
  69                                         }
  70                                 }, e -> {
  71                                         if (e != null)
  72                                                 ExceptionUtils.logAndShowError(Messages.AddUrlDocument_CannotAddURLLink, e);
  73                                 });
  74                         }
  75                 };
  76         }
  77
  78 }