bundles/org.simantics.structural.ui/src/org/simantics/structural/ui/modelBrowser/contributions/ConnectionLabeler.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.structural.ui.modelBrowser.contributions;\r
  13 \r
  14 import org.simantics.browsing.ui.graph.contributor.labeler.LabelerContributor;\r
  15 import org.simantics.databoard.Bindings;\r
  16 import org.simantics.db.ReadGraph;\r
  17 import org.simantics.db.Resource;\r
  18 import org.simantics.db.exception.DatabaseException;\r
  19 import org.simantics.layer0.Layer0;\r
  20 import org.simantics.structural.stubs.StructuralResource2;\r
  21 import org.simantics.structural.ui.modelBrowser.nodes.ConnectionNode;\r
  22 import org.simantics.structural2.utils.StructuralUtils;\r
  23 \r
  24 public class ConnectionLabeler extends LabelerContributor<ConnectionNode> {\r
  25 \r
  26         @Override\r
  27         public String getLabel(ReadGraph graph, ConnectionNode node) throws DatabaseException {\r
  28                 StructuralResource2 sr = StructuralResource2.getInstance(graph);\r
  29                 StringBuilder sb = new StringBuilder();\r
  30         Layer0 b = Layer0.getInstance(graph);\r
  31                 \r
  32                 {\r
  33                         boolean first = true;\r
  34                         for(Resource component : graph.getObjects(node.connection, sr.Connects)) {\r
  35                                 if(first)\r
  36                                         first = false;\r
  37                                 else\r
  38                                         sb.append(", ");\r
  39                                 sb.append(graph.<String>getRelatedValue(component, b.HasName, Bindings.STRING));                                \r
  40                         }\r
  41                 }\r
  42                 sb.append(" -> ");\r
  43                 {\r
  44                         boolean first = true;\r
  45                         for(Resource relatedConnection : StructuralUtils.getRelatedConnections(graph, node.connection)) {\r
  46                                 if(relatedConnection.equals(node.connection))\r
  47                                         continue;\r
  48                                 for(Resource component : graph.getObjects(relatedConnection, sr.Connects)) {\r
  49                                         if(first)\r
  50                                                 first = false;\r
  51                                         else\r
  52                                                 sb.append(", ");\r
  53                                         sb.append(graph.<String>getRelatedValue(component, b.HasName, Bindings.STRING));                        \r
  54                                 }\r
  55                         }\r
  56                 }\r
  57                 \r
  58                 return sb.toString();\r
  59         }\r
  60         \r
  61         @Override\r
  62         public int getCategory(ReadGraph graph, ConnectionNode node) throws DatabaseException {\r
  63                 return 1;\r
  64         }\r
  65 \r
  66 }