bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/adapter/CellVariable.java

   1 package org.simantics.spreadsheet.graph.adapter;\r
   2 \r
   3 import org.simantics.db.ReadGraph;\r
   4 import org.simantics.db.Resource;\r
   5 import org.simantics.db.WriteGraph;\r
   6 import org.simantics.db.exception.DatabaseException;\r
   7 import org.simantics.db.layer0.variable.StandardGraphChildVariable;\r
   8 import org.simantics.db.layer0.variable.Variable;\r
   9 import org.simantics.spreadsheet.common.cell.VariableCellEditor;\r
  10 \r
  11 public class CellVariable extends StandardGraphChildVariable {\r
  12 \r
  13         public CellVariable(Variable parent, Resource resource) throws DatabaseException {\r
  14                 super(parent, null, resource);\r
  15         }\r
  16         \r
  17         @Override\r
  18         public String getLabel(ReadGraph graph) throws DatabaseException {\r
  19                 return null;\r
  20         }\r
  21         \r
  22     @SuppressWarnings("unchecked")\r
  23     protected <T> T tryAdapt(ReadGraph graph, Class<T> clazz) throws DatabaseException {\r
  24         if(VariableCellEditor.class == clazz) {\r
  25                 return (T)new VariableCellEditor() {\r
  26                                 \r
  27                                 @Override\r
  28                                 public void edit(WriteGraph graph, Variable cell, String text) throws DatabaseException {\r
  29                                 }\r
  30                                 \r
  31                                 @Override\r
  32                                 public void copy(WriteGraph graph, Variable cell, String location) throws DatabaseException {\r
  33                                 }\r
  34                                 \r
  35                         };\r
  36         }\r
  37         return null;\r
  38     }\r
  39 \r
  40     @Override\r
  41     public <T> T adapt(ReadGraph graph, Class<T> clazz) throws DatabaseException {\r
  42         T t = tryAdapt(graph, clazz);\r
  43         return t != null ? t : super.adapt(graph, clazz);\r
  44     }\r
  45 \r
  46     @Override\r
  47     public <T> T adaptPossible(ReadGraph graph, Class<T> clazz) throws DatabaseException {\r
  48         T t = tryAdapt(graph, clazz);\r
  49         return t != null ?  t : super.adaptPossible(graph, clazz);\r
  50     }\r
  51 \r
  52 }\r