bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/actions/ValidateMappingHandler.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.modeling.ui.actions;\r
  13 \r
  14 import java.util.ArrayDeque;\r
  15 import java.util.Deque;\r
  16 import java.util.HashSet;\r
  17 import java.util.List;\r
  18 import java.util.Set;\r
  19 \r
  20 import org.eclipse.core.commands.AbstractHandler;\r
  21 import org.eclipse.core.commands.ExecutionEvent;\r
  22 import org.eclipse.core.commands.ExecutionException;\r
  23 import org.eclipse.core.runtime.IAdaptable;\r
  24 import org.eclipse.jface.viewers.ISelection;\r
  25 import org.eclipse.jface.viewers.StructuredSelection;\r
  26 import org.eclipse.ui.PlatformUI;\r
  27 import org.simantics.Simantics;\r
  28 import org.simantics.db.ReadGraph;\r
  29 import org.simantics.db.Resource;\r
  30 import org.simantics.db.common.request.ObjectsWithType;\r
  31 import org.simantics.db.common.request.ReadRequest;\r
  32 import org.simantics.db.exception.DatabaseException;\r
  33 import org.simantics.layer0.Layer0;\r
  34 import org.simantics.modeling.validation.ValidateMapping;\r
  35 import org.simantics.structural.stubs.StructuralResource2;\r
  36 import org.simantics.structural.ui.modelBrowser.nodes.CompositeNode;\r
  37 \r
  38 public class ValidateMappingHandler extends AbstractHandler {\r
  39 \r
  40     @Override\r
  41     public Object execute(ExecutionEvent event) throws ExecutionException {\r
  42         ISelection selection = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getSelection();\r
  43 \r
  44         if (!selection.isEmpty() && selection instanceof StructuredSelection) {\r
  45             final Set<Resource> compositesToTest = new HashSet<Resource>(); \r
  46 \r
  47             final List<?> elements = ((StructuredSelection) selection).toList();\r
  48             for (Object element : elements) {\r
  49                 if (element instanceof IAdaptable) {\r
  50                     Resource node = (Resource) ((IAdaptable) element).getAdapter(Resource.class);\r
  51                     if (node != null) {\r
  52                         compositesToTest.add(node);\r
  53                     }\r
  54                 }\r
  55             }\r
  56 \r
  57             Simantics.getSession().asyncRequest(new ReadRequest() {\r
  58                 @Override\r
  59                 public void run(ReadGraph graph) throws DatabaseException {\r
  60                     Layer0 L0 = Layer0.getInstance(graph); \r
  61                     StructuralResource2 STR = StructuralResource2.getInstance(graph);\r
  62 \r
  63                     // Try to test all child composites also.\r
  64                     Deque<Resource> toBeChecked = new ArrayDeque<Resource>(compositesToTest);\r
  65                     while (!toBeChecked.isEmpty()) {\r
  66                         Resource check = toBeChecked.poll();\r
  67 \r
  68                         for (Resource child : graph.syncRequest(new ObjectsWithType(check, L0.ConsistsOf, STR.Composite))) {\r
  69                             if (compositesToTest.add(child))\r
  70                                 toBeChecked.offer(child);\r
  71                         }\r
  72                     }\r
  73 \r
  74                     for (Resource composite : compositesToTest)\r
  75                         graph.syncRequest(new ValidateMapping(composite));\r
  76                 }\r
  77             });\r
  78         }\r
  79         return null;\r
  80     }\r
  81 \r
  82 }\r