bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/modelBrowser/model/Parameter.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.modelBrowser.model;\r
  13 \r
  14 import org.eclipse.jface.resource.ImageDescriptor;\r
  15 import org.simantics.browsing.ui.common.node.IModifiable;\r
  16 import org.simantics.browsing.ui.content.Labeler.Modifier;\r
  17 import org.simantics.db.ReadGraph;\r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.Session;\r
  20 import org.simantics.db.Statement;\r
  21 import org.simantics.db.WriteGraph;\r
  22 import org.simantics.db.common.primitiverequest.RelatedValueImplied;\r
  23 import org.simantics.db.common.request.WriteRequest;\r
  24 import org.simantics.db.common.utils.NameUtils;\r
  25 import org.simantics.db.exception.DatabaseException;\r
  26 import org.simantics.layer0.Layer0;\r
  27 import org.simantics.modeling.ModelingResources;\r
  28 import org.simantics.modeling.ui.Activator;\r
  29 import org.simantics.structural.stubs.StructuralResource2;\r
  30 \r
  31 @Deprecated\r
  32 public class Parameter extends Node implements IModifiable {\r
  33 \r
  34     Resource instance;\r
  35     Resource relation;\r
  36     Resource connectionType;\r
  37     Resource connectionDirection;\r
  38     boolean isLeaf;\r
  39 \r
  40     public Resource getTerminalRelation(ReadGraph graph, Resource relation) throws DatabaseException {\r
  41         StructuralResource2 sr = StructuralResource2.getInstance(graph);\r
  42         for(Resource bound : graph.getObjects(relation, sr.IsBoundBy)) {\r
  43             if(graph.isInstanceOf(bound, sr.Connection)) {\r
  44                 for(Statement terminalInverse : graph.getStatements(bound, sr.IsConnectedTo)) {\r
  45                     if(graph.isInstanceOf(terminalInverse.getObject(), sr.Component)) {\r
  46                         return graph.getInverse(terminalInverse.getPredicate());\r
  47                     }\r
  48                 }\r
  49             }\r
  50         }\r
  51         return null;\r
  52     }\r
  53 \r
  54     public Resource getConnectionType(ReadGraph graph, Resource connectionPoint) throws DatabaseException {\r
  55         StructuralResource2 sr = StructuralResource2.getInstance(graph);\r
  56         ModelingResources mr = ModelingResources.getInstance(graph);\r
  57         for(Resource bound : graph.getObjects(relation, sr.IsBoundBy)) {\r
  58             if(graph.isInstanceOf(bound, sr.Connection)) {\r
  59                 Resource diagramConn = graph.getPossibleObject(bound, mr.ConnectionToDiagramConnection);\r
  60                 if(diagramConn != null) {\r
  61                     return graph.getPossibleObject(diagramConn, sr.HasConnectionType);\r
  62                 }\r
  63             }\r
  64         }\r
  65         return null;\r
  66     }\r
  67 \r
  68     public Parameter(ReadGraph g, Resource resource, Resource instance, boolean isLeaf) throws DatabaseException {\r
  69         super(resource);\r
  70         this.instance = instance;\r
  71         StructuralResource2 sr = StructuralResource2.getInstance(g);\r
  72         this.relation = g.getSingleObject(resource, sr.Binds);\r
  73 //              this.connectionType = g.getPossibleObject(resource, sr.HasConnectionType);\r
  74         this.connectionDirection = g.getPossibleObject(resource, sr.HasConnectionDirection);\r
  75         this.isLeaf = isLeaf;\r
  76         this.connectionType = getConnectionType(g, relation);\r
  77     }\r
  78 \r
  79     @Override\r
  80     public String getLabel(ReadGraph g) throws DatabaseException {\r
  81         Layer0 b = Layer0.getInstance(g);\r
  82         String name = g.getPossibleRelatedValue(relation, b.HasName);\r
  83         if(name == null)\r
  84             return "Unnamed parameter";\r
  85         if(connectionType != null) {\r
  86             name = name + " : " + NameUtils.getSafeName(g, connectionType);\r
  87             if(connectionDirection != null) {\r
  88                 StructuralResource2 sr = StructuralResource2.getInstance(g);\r
  89                 name = name + ", " +\r
  90                 (sr.InputDirection.equals(connectionDirection) ? "in" :\r
  91                     sr.OutputDirection.equals(connectionDirection) ? "out" :\r
  92                         NameUtils.getSafeName(g, connectionDirection));\r
  93             }\r
  94         }\r
  95         return name;\r
  96     }\r
  97 \r
  98     @Override\r
  99     public ImageDescriptor getImage(ReadGraph g) throws DatabaseException {\r
 100         /*StructuralResource2 sr = StructuralResource2.getInstance(g);\r
 101         if (g.isInstanceOf(resource, sr.LiteralVariable))\r
 102             return Activator.VARIABLE_ICON;*/\r
 103         return Activator.OPEN_CONNECTION_ICON;\r
 104     }\r
 105 \r
 106     @Override\r
 107     public boolean equals(Object obj) {\r
 108         if(this == obj)\r
 109             return true;\r
 110         if(obj == null)\r
 111             return false;\r
 112         if(!getClass().equals(obj.getClass()))\r
 113             return false;\r
 114         Parameter other = (Parameter)obj;\r
 115         return resource.equals(other.resource)\r
 116         && relation.equals(other.relation)\r
 117         && (instance == null ? other.instance==null : instance.equals(other.instance))\r
 118         && isLeaf == other.isLeaf\r
 119         && (connectionType == null ? other.connectionType == null : connectionType.equals(other.connectionType));\r
 120     }\r
 121 \r
 122     @Override\r
 123     public int hashCode() {\r
 124         return ((getClass().hashCode()*31 + relation.hashCode()) * 31  +\r
 125                 (instance == null ? 0 : instance.hashCode()))*31 + resource.hashCode();\r
 126     }    \r
 127 \r
 128     @Override\r
 129     public Modifier getModifier(final Session session, String columnId) {\r
 130         return new Modifier() {\r
 131 \r
 132             @Override\r
 133             public String getValue() {\r
 134                 try {\r
 135                         Layer0 b = Layer0.getInstance(session);\r
 136                     return session.syncRequest(new RelatedValueImplied<String>(relation, b.HasName));\r
 137                 } catch (DatabaseException e) {\r
 138                     e.printStackTrace();\r
 139                     return "";\r
 140                 }\r
 141             }\r
 142 \r
 143             @Override\r
 144             public String isValid(String label) {\r
 145                 return null;\r
 146             }\r
 147 \r
 148             @Override\r
 149             public void modify(final String label) {\r
 150                 session.asyncRequest(new WriteRequest() {\r
 151                     @Override\r
 152                     public void perform(WriteGraph graph) throws DatabaseException {\r
 153                         Layer0 b = Layer0.getInstance(graph);\r
 154                         graph.claimLiteral(relation, b.HasName, label);\r
 155                     }\r
 156 \r
 157                 });\r
 158             }\r
 159 \r
 160         };\r
 161     }\r
 162 }\r