gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
   3  * 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.sysdyn.ui.properties.widgets.externalFiles;\r
  13 \r
  14 import org.simantics.browsing.ui.common.node.AbstractNode;\r
  15 import org.simantics.browsing.ui.common.node.DeleteException;\r
  16 import org.simantics.browsing.ui.common.node.IDeletableNode;\r
  17 import org.simantics.browsing.ui.common.node.IModifiableNode;\r
  18 import org.simantics.browsing.ui.content.Labeler.Modifier;\r
  19 import org.simantics.browsing.ui.graph.impl.LabelModifier;\r
  20 import org.simantics.db.Resource;\r
  21 import org.simantics.db.WriteGraph;\r
  22 import org.simantics.db.common.request.WriteRequest;\r
  23 import org.simantics.db.exception.DatabaseException;\r
  24 import org.simantics.db.layer0.util.RemoverUtil;\r
  25 import org.simantics.db.request.Write;\r
  26 import org.simantics.layer0.Layer0;\r
  27 import org.simantics.sysdyn.manager.FunctionUtils;\r
  28 import org.simantics.ui.SimanticsUI;\r
  29 \r
  30 public class ExternalFileNode extends AbstractNode<Resource> implements IModifiableNode, IDeletableNode {\r
  31 \r
  32         public ExternalFileNode(Resource data) {\r
  33                 super(data);\r
  34         }\r
  35 \r
  36         @Override\r
  37         public Modifier getModifier(String columnId) {\r
  38                 try {\r
  39                         final Resource hasName = Layer0.getInstance(SimanticsUI.getSession()).HasName;\r
  40                         LabelModifier modifier = new LabelModifier(SimanticsUI.getSession(), data, hasName) {\r
  41                                 @Override\r
  42                                 public String isValid(String label) {\r
  43                                         if (label.isEmpty())\r
  44                                                 return "Empty label not allowed";\r
  45                                         if (label.contains(" "))\r
  46                                                 return "Spaces are not allowed";\r
  47                                         return null;\r
  48                                 }\r
  49 \r
  50                                 @Override\r
  51                                 protected Write getWriteRequest(final String label) {\r
  52                                         return new WriteRequest() {\r
  53                                                 @Override\r
  54                                                 public void perform(WriteGraph g) throws DatabaseException {\r
  55                                                         FunctionUtils.removeExternalFunctionFile(g, data);\r
  56                                                         g.claimLiteral(data, hasName, label);\r
  57                                                         FunctionUtils.createExternalFunctionFile(g, data);\r
  58                                                 }\r
  59                                         };\r
  60                                 }\r
  61                         };\r
  62                         return modifier;\r
  63                 } catch (DatabaseException e) {\r
  64                         e.printStackTrace();\r
  65                 }\r
  66                 return null;\r
  67         }\r
  68 \r
  69         @Override\r
  70         public void delete() throws DeleteException {\r
  71                 SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
  72 \r
  73                         @Override\r
  74                         public void perform(WriteGraph graph) throws DatabaseException {\r
  75                                 FunctionUtils.removeExternalFunctionFile(graph, data);\r
  76                                 RemoverUtil.remove(graph, data);\r
  77                         }\r
  78                 });\r
  79         }\r
  80 \r
  81 }\r