bundles/org.simantics.modeling/src/org/simantics/modeling/SCLAction.java

   1 package org.simantics.modeling;\r
   2 \r
   3 import org.simantics.Simantics;\r
   4 import org.simantics.db.ReadGraph;\r
   5 import org.simantics.db.Resource;\r
   6 import org.simantics.db.common.request.ResourceRead;\r
   7 import org.simantics.db.exception.DatabaseException;\r
   8 import org.simantics.db.layer0.adapter.ActionFactory;\r
   9 import org.simantics.db.layer0.variable.Variable;\r
  10 import org.simantics.db.layer0.variable.Variables;\r
  11 import org.simantics.diagram.Logger;\r
  12 import org.simantics.scl.runtime.function.Function1;\r
  13 \r
  14 public class SCLAction implements ActionFactory {\r
  15 \r
  16         final private Resource rule;\r
  17     \r
  18     public SCLAction(ReadGraph graph, Resource rule) throws DatabaseException {\r
  19         this.rule = rule;\r
  20     }\r
  21     \r
  22     static class RuleFunctionRequest extends ResourceRead<Function1<Resource,Object>> {\r
  23 \r
  24                 protected RuleFunctionRequest(Resource rule) {\r
  25                         super(rule);\r
  26                 }\r
  27 \r
  28                 @Override\r
  29                 public Function1<Resource, Object> perform(ReadGraph graph) throws DatabaseException {\r
  30                 Variable ruleVariable = Variables.getVariable(graph, resource);\r
  31                 ModelingResources MOD = ModelingResources.getInstance(graph);\r
  32                 return ruleVariable.getPossiblePropertyValue(graph, MOD.SCLAction_action);\r
  33                 }\r
  34         \r
  35     }\r
  36     \r
  37     public static class SCLActionRunnable implements Runnable {\r
  38         \r
  39         public Resource rule;\r
  40         public Resource target;\r
  41         \r
  42         public SCLActionRunnable(Resource rule, Resource target) {\r
  43                 this.rule = rule;\r
  44                 this.target = target;\r
  45         }\r
  46         \r
  47                 @Override\r
  48                 public void run() {\r
  49                         Resource resource = (Resource)target;\r
  50                         Simantics.getSession().markUndoPoint();\r
  51                         try {\r
  52                                 Function1<Resource, Object> function = Simantics.getSession().syncRequest(new RuleFunctionRequest(rule));\r
  53                                 function.apply(resource);\r
  54                         } catch (DatabaseException e) {\r
  55                                 Logger.defaultLogError(e);\r
  56                         }\r
  57                 }\r
  58         \r
  59     }\r
  60 \r
  61         @Override\r
  62         public Runnable create(final Object target) {\r
  63                 return new SCLActionRunnable(rule, (Resource)target);\r
  64         }\r
  65 \r
  66 }\r