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

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