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.handlers.newComponents;\r
  13 \r
  14 import org.eclipse.core.commands.AbstractHandler;\r
  15 import org.eclipse.core.commands.ExecutionEvent;\r
  16 import org.eclipse.core.commands.ExecutionException;\r
  17 import org.eclipse.jface.viewers.ISelection;\r
  18 import org.eclipse.ui.handlers.HandlerUtil;\r
  19 import org.simantics.db.Resource;\r
  20 import org.simantics.db.WriteGraph;\r
  21 import org.simantics.db.common.request.WriteRequest;\r
  22 import org.simantics.db.common.utils.NameUtils;\r
  23 import org.simantics.db.common.utils.OrderedSetUtils;\r
  24 import org.simantics.db.exception.DatabaseException;\r
  25 import org.simantics.layer0.Layer0;\r
  26 import org.simantics.layer0.utils.direct.GraphUtils;\r
  27 import org.simantics.modeling.ModelingResources;\r
  28 import org.simantics.structural.stubs.StructuralResource2;\r
  29 import org.simantics.sysdyn.SysdynResource;\r
  30 import org.simantics.ui.SimanticsUI;\r
  31 import org.simantics.ui.utils.AdaptionUtils;\r
  32 \r
  33 /**\r
  34  * Creates a new Enumeration node to a configuration or module\r
  35  * \r
  36  * @author Teemu Lempinen\r
  37  *\r
  38  */\r
  39 public class NewEnumerationNodeHandler extends AbstractHandler {\r
  40 \r
  41         @Override\r
  42         public Object execute(ExecutionEvent event) throws ExecutionException {\r
  43 \r
  44         ISelection sel = HandlerUtil.getCurrentSelection(event);\r
  45         \r
  46                 final Resource resource = AdaptionUtils.adaptToSingle(sel, Resource.class);\r
  47         \r
  48         SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
  49 \r
  50             @Override\r
  51             public void perform(WriteGraph g) throws DatabaseException {\r
  52                 SysdynResource sr = SysdynResource.getInstance(g);\r
  53                 Layer0 l0 = Layer0.getInstance(g);\r
  54                 \r
  55                 // Find the actual configuration. Possible cases for resource are sr.Configuration, sr.ModuleSymbol or sr.Module.\r
  56                 Resource configuration = null;\r
  57                 if(g.isInstanceOf(resource, sr.Configuration)) {\r
  58                         configuration = resource;\r
  59                 } else if(g.isInheritedFrom(resource, sr.ModuleSymbol)) {\r
  60                         Resource module = g.getPossibleObject(resource,ModelingResources.getInstance(g).SymbolToComponentType);\r
  61                         configuration = g.getPossibleObject(module, StructuralResource2.getInstance(g).IsDefinedBy);\r
  62                 } else {\r
  63                         Resource instanceOf = g.getSingleObject(resource, l0.InstanceOf);\r
  64                         if(g.isInheritedFrom(instanceOf, sr.Module)) {\r
  65                                 configuration = g.getPossibleObject(instanceOf, StructuralResource2.getInstance(g).IsDefinedBy);\r
  66                         } else {\r
  67                                 return;\r
  68                         }\r
  69                 }\r
  70 \r
  71                 // Create the enumeartion\r
  72                 Resource enumerationIndexes = OrderedSetUtils.create(g, sr.EnumerationIndexes);\r
  73                 \r
  74                 String name = NameUtils.findFreshName(g, "Enum", configuration, l0.ConsistsOf, "%s%d");\r
  75                 \r
  76                 GraphUtils.create2(g, \r
  77                                 sr.Enumeration,\r
  78                                 l0.HasName, name,\r
  79                                 sr.Enumeration_enumerationIndexes, enumerationIndexes,\r
  80                                 l0.PartOf, configuration);\r
  81             }\r
  82         });\r
  83                 return null;\r
  84         }\r
  85 \r
  86 }\r