org.simantics.processeditor/src/org/simantics/processeditor/perspectives/ViewpointGenerator.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007- VTT Technical Research Centre of Finland.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package org.simantics.processeditor.perspectives;\r
  12 \r
  13 import java.util.Collection;\r
  14 \r
  15 import org.simantics.db.Builtins;\r
  16 import org.simantics.layer0.utils.IEntity;\r
  17 import org.simantics.layer0.utils.Statement;\r
  18 import org.simantics.layer0.utils.viewpoints.AcceptDecision;\r
  19 import org.simantics.layer0.utils.viewpoints.AcceptRule;\r
  20 import org.simantics.layer0.utils.viewpoints.PlainStateFactory;\r
  21 import org.simantics.layer0.utils.viewpoints.ResourceViewpoint;\r
  22 import org.simantics.layer0.utils.viewpoints.State;\r
  23 import org.simantics.layer0.utils.viewpoints.StateFactory;\r
  24 import org.simantics.layer0.utils.viewpoints.TraversalDecision;\r
  25 import org.simantics.layer0.utils.viewpoints.TraversalRule;\r
  26 import org.simantics.layer0.utils.viewpoints.rules.AcceptAllResourceAcceptRule;\r
  27 import org.simantics.processeditor.ProcessResource;\r
  28 \r
  29 \r
  30 public class ViewpointGenerator {\r
  31         public static ResourceViewpoint createViewpoint() {\r
  32                 StateFactory f = new PlainStateFactory();\r
  33                 final State rootState = f.newState();\r
  34                 final State projectState = f.newState();\r
  35                 final State libraryState = f.newState();\r
  36                 \r
  37                 return new ResourceViewpoint(new TraversalRule() {\r
  38                         @Override\r
  39                         public TraversalDecision makeTraversalDecision(State state, Statement statement) {\r
  40                                 Builtins b = statement.getGraph().getBuiltins();\r
  41                                 if (state.equals(rootState)) {\r
  42                                         if (statement.getObject().isInstanceOf(b.Ontology))\r
  43                                                 return TraversalDecision.stopTraversal;\r
  44                                         if(!statement.getPredicate().equals(b.ConsistsOf))\r
  45                                                 return TraversalDecision.stopTraversal;\r
  46                                         return TraversalDecision.continueTraversal(projectState);\r
  47                                 } else if (state.equals(projectState)) {\r
  48                                         if(!statement.getPredicate().equals(b.ConsistsOf))\r
  49                                                 return TraversalDecision.stopTraversal;\r
  50                                         return TraversalDecision.continueTraversal(libraryState);\r
  51                                 } else if (state.equals(libraryState)) {\r
  52                                         if(!statement.getPredicate().equals(b.ConsistsOf))\r
  53                                                 return TraversalDecision.stopTraversal;\r
  54                                         return TraversalDecision.continueTraversal(libraryState);\r
  55                                 }\r
  56                                 return TraversalDecision.stopTraversal;\r
  57                         }\r
  58                         \r
  59                         @Override\r
  60                         public boolean areAllStatesRelevant() {\r
  61                                 return true;\r
  62                         }\r
  63                         \r
  64                         @Override\r
  65                         public Collection<State> relevantStates() {\r
  66                                 return null;\r
  67                         }\r
  68                 }, new AcceptRule<IEntity>() {\r
  69                 @Override\r
  70                         public AcceptDecision makeAcceptDecision(State state, IEntity obj) {\r
  71                                 Builtins b = obj.getGraph().getBuiltins();\r
  72                                 //NOSEResource nr = NOSEResource.getInstance(obj.getGraph());\r
  73                                 if(obj.isInstanceOf(b.Project)) return AcceptDecision.REJECT;\r
  74                                 else if (obj.isInstanceOf(b.Ontology)) return AcceptDecision.REJECT;\r
  75                                 else return AcceptDecision.ACCEPT;\r
  76                         }\r
  77                 \r
  78                         @Override\r
  79                         public boolean areAllStatesRelevant() {\r
  80                                 return true;\r
  81                         }\r
  82                         \r
  83                         @Override\r
  84                         public Collection<State> relevantStates() {\r
  85                                 return null;\r
  86                         }\r
  87                 }, rootState);\r
  88         }\r
  89         \r
  90         public static ResourceViewpoint createObjectStructureViewpoint() {\r
  91                 StateFactory f = new PlainStateFactory();\r
  92                 final State rootState = f.newState();\r
  93 \r
  94                 return new ResourceViewpoint(new TraversalRule() {\r
  95                         @Override\r
  96                         public TraversalDecision makeTraversalDecision(State state,\r
  97                                         Statement statement) {\r
  98                                 if (state.equals(rootState)) {\r
  99                                         if (!statement.getPredicate().isSubrelationOf(\r
 100                                                         ProcessResource.g3dResource.HasChild))\r
 101                                                 return TraversalDecision.stopTraversal;\r
 102                                         return TraversalDecision.continueTraversal(rootState);\r
 103                                 }\r
 104                                 return TraversalDecision.stopTraversal;\r
 105                         }\r
 106 \r
 107                         @Override\r
 108                         public boolean areAllStatesRelevant() {\r
 109                                 return true;\r
 110                         }\r
 111 \r
 112                         @Override\r
 113                         public Collection<State> relevantStates() {\r
 114                                 return null;\r
 115                         }\r
 116                 }, new AcceptAllResourceAcceptRule(), rootState);\r
 117         }\r
 118 }\r