Removed jsonValues since there already is Data/Json

[simantics/platform.git] / bundles / org.simantics.modeling / src / org / simantics / modeling / SCLDropAction.java

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/SCLDropAction.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/SCLDropAction.java
new file mode 100644 (file)
index 0000000..74b19a2
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/SCLDropAction.java
@@ -0,0 +1,69 @@
+package org.simantics.modeling;
+
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.adapter.DropActionFactory;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.layer0.variable.Variables;
+import org.simantics.diagram.Logger;
+import org.simantics.scl.runtime.function.Function3;
+
+public class SCLDropAction implements DropActionFactory {
+
+       final private Resource rule;
+
+       public SCLDropAction(ReadGraph graph, Resource rule) throws DatabaseException {
+               this.rule = rule;
+       }
+
+       static class RuleFunctionRequest extends ResourceRead<Function3<Resource,Object,Integer,Object>> {
+
+               protected RuleFunctionRequest(Resource rule) {
+                       super(rule);
+               }
+
+               @Override
+               public Function3<Resource, Object, Integer, Object> perform(ReadGraph graph) throws DatabaseException {
+                       Variable ruleVariable = Variables.getVariable(graph, resource);
+                       ModelingResources MOD = ModelingResources.getInstance(graph);
+                       return ruleVariable.getPossiblePropertyValue(graph, MOD.SCLDropAction_action);
+               }
+
+       }
+
+       public static class SCLDropActionRunnable implements Runnable {
+
+               public Resource rule;
+               public Resource target;
+               public Object source;
+               public int operation;
+
+               public SCLDropActionRunnable(Resource rule, Resource target, Object source, int operation) {
+                       this.rule = rule;
+                       this.target = target;
+                       this.source = source;
+                       this.operation = operation;
+               }
+
+               @Override
+               public void run() {
+                       Simantics.getSession().markUndoPoint();
+                       try {
+                               Function3<Resource, Object, Integer, Object> function = Simantics.getSession().syncRequest(new RuleFunctionRequest(rule));
+                               function.apply(target, source, operation);
+                       } catch (DatabaseException e) {
+                               Logger.defaultLogError(e);
+                       }
+               }
+
+       }
+
+       @Override
+       public Runnable create(ReadGraph g, Object target, Object source, int operation) throws DatabaseException {
+               return new SCLDropActionRunnable(rule, (Resource)target, source, operation);
+       }
+
+}