org.simantics.g3d/src/org/simantics/g3d/scenegraph/structural/Connection.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012, 2013 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.g3d.scenegraph.structural;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Collection;\r
  16 import java.util.List;\r
  17 \r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.objmap.structural.IStructuralObject;\r
  20 \r
  21 @SuppressWarnings("rawtypes")\r
  22 public abstract class Connection<T extends Connection<T, T2>, T2 extends IComponentNode<T, T2>> implements IStructuralObject{\r
  23 \r
  24         private List<T2> connects = new ArrayList<T2>();\r
  25         \r
  26         public void addConnect(T2 node) {\r
  27                 if (!connects.contains(node))\r
  28                         connects.add(node);\r
  29                 fireChanged(node,true);\r
  30         }\r
  31         \r
  32         @SuppressWarnings("unchecked")\r
  33         protected void fireChanged(T2 node, boolean add){\r
  34                 for (T2 n : connects) {\r
  35                         n.connectionChanged((T) this,node,add);\r
  36                 }\r
  37         }\r
  38         \r
  39         public Collection<T2> getConnected() {\r
  40                 return connects;\r
  41         }\r
  42         \r
  43         public void removeConnect(T2 node) {\r
  44                 connects.remove(node);\r
  45                 fireChanged(node,false);\r
  46         }\r
  47         \r
  48         @SuppressWarnings("unchecked")\r
  49         public void remove() {\r
  50                 List<T2> toRemove = new ArrayList<T2>(connects.size());\r
  51                 toRemove.addAll(connects);\r
  52                 for (IComponentNode node : toRemove) {\r
  53                         node.removeConnection((T) this);\r
  54                 }\r
  55         }\r
  56         \r
  57         public T2 getOther(IComponentNode<T, T2> node) {\r
  58                 if (connects.size() != 2) \r
  59                         return null;\r
  60                 if (connects.get(0).equals(node))\r
  61                         return connects.get(1);\r
  62                 else if (connects.get(1).equals(node))\r
  63                         return connects.get(0);\r
  64                 return null;\r
  65         }\r
  66         \r
  67         @Override\r
  68         public void setType(Resource type) {\r
  69                 \r
  70         }\r
  71         \r
  72         @Override\r
  73         public Resource getType() {\r
  74                 return null;\r
  75         }\r
  76         \r
  77         private List<IStructuralObject> ctx = new ArrayList<IStructuralObject>(1);\r
  78         @Override\r
  79         public List<IStructuralObject> getContext() {\r
  80                 return ctx;\r
  81         }\r
  82         \r
  83         @Override\r
  84         public void setContext(List<IStructuralObject> object) {\r
  85                 ctx = object;\r
  86         }\r
  87 }\r