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

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