bundles/org.simantics.ui/src/org/simantics/ui/selection/VariableWorkbenchSelectionElement.java

   1 package org.simantics.ui.selection;\r
   2 \r
   3 import org.simantics.db.ReadGraph;\r
   4 import org.simantics.db.Resource;\r
   5 import org.simantics.db.common.request.UnaryRead;\r
   6 import org.simantics.db.common.utils.Logger;\r
   7 import org.simantics.db.exception.DatabaseException;\r
   8 import org.simantics.db.layer0.variable.Variable;\r
   9 \r
  10 public class VariableWorkbenchSelectionElement implements WorkbenchSelectionElement {\r
  11         \r
  12         final private Variable variable;\r
  13         \r
  14         public VariableWorkbenchSelectionElement(Variable variable) {\r
  15                 this.variable = variable;\r
  16         }\r
  17         \r
  18     @SuppressWarnings("unchecked")\r
  19     @Override\r
  20     public <T> T getContent(WorkbenchSelectionContentType<T> contentType) {\r
  21         if(contentType instanceof AnyResource) {\r
  22                 AnyResource type = (AnyResource)contentType;\r
  23             try {\r
  24                 return (T) type.processor.sync(new UnaryRead<Variable, Resource>(variable) {\r
  25                     @Override\r
  26                     public Resource perform(ReadGraph graph) throws DatabaseException {\r
  27                         return parameter.getRepresents(graph);\r
  28                     }\r
  29                 });\r
  30             } catch (DatabaseException e) {\r
  31                 Logger.defaultLogError(e);\r
  32             }\r
  33         }\r
  34         else if(contentType instanceof AnyVariable) {\r
  35                 return (T)variable;\r
  36         } \r
  37         return null;\r
  38     }\r
  39         \r
  40         @Override\r
  41         public int hashCode() {\r
  42                 return variable.hashCode();\r
  43         }\r
  44         \r
  45         @Override\r
  46         public boolean equals(Object object) {\r
  47         if (this == object)\r
  48             return true;\r
  49         else if (object == null)\r
  50             return false;\r
  51         else if (!(object instanceof VariableWorkbenchSelectionElement))\r
  52             return false;\r
  53         VariableWorkbenchSelectionElement vwse = (VariableWorkbenchSelectionElement)object;\r
  54         return variable.equals(vwse.variable);\r
  55         }\r
  56     \r
  57 \r
  58 }\r