ExternalRef corrections

[simantics/platform.git] / bundles / org.simantics.spreadsheet.graph / src / org / simantics / spreadsheet / graph / SpreadsheetGraphUtils.java

diff --git a/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SpreadsheetGraphUtils.java b/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SpreadsheetGraphUtils.java
index ee57745ae857bf6bdf4cfd46ce6b0bba87364c2a..35a05d7aa59c7d45980f0a781a8fdd726ea621e3 100644 (file)
--- a/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SpreadsheetGraphUtils.java
+++ b/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SpreadsheetGraphUtils.java
@@ -26,6 +26,7 @@ import org.simantics.db.WriteGraph;
 import org.simantics.db.common.request.BinaryRead;
 import org.simantics.db.common.request.ObjectsWithType;
 import org.simantics.db.common.request.UnaryRead;
+import org.simantics.db.common.request.WriteRequest;
 import org.simantics.db.common.utils.LiteralFileUtil;
 import org.simantics.db.exception.DatabaseException;
 import org.simantics.db.exception.ServiceException;
@@ -528,6 +529,20 @@ public class SpreadsheetGraphUtils {
             });
         }
         
+        @Override
+        public void modify(Object context, Variant newValue) {
+            
+            Simantics.getSession().asyncRequest(new WriteRequest() {
+
+                @Override
+                public void perform(WriteGraph graph) throws DatabaseException {
+                    Variable variable = Variables.getVariable(graph, uri);
+                    variable.setValue(graph, newValue);
+                }
+            });
+            
+        }
+        
     }
 
     public static Variant extRefActiveVariable(ReadGraph graph, Variable var) throws DatabaseException {
@@ -551,6 +566,7 @@ public class SpreadsheetGraphUtils {
                     Variable contextVariable = Variables.getVariable(graph, parameter);
                     Variable configVariable = Variables.getVariable(graph, parameter2);
                     Variable activeVariable = Variables.switchPossibleContext(graph, configVariable, contextVariable.getRepresents(graph));
+                    if(activeVariable == null) return Variant.ofInstance("Could not resolve " + configVariable.getURI(graph) + " for " + contextVariable.getURI(graph));
                     return activeVariable.getVariantValue(graph);
                 }
             }, new Listener<Variant>() {
@@ -562,7 +578,7 @@ public class SpreadsheetGraphUtils {
 
                 @Override
                 public void exception(Throwable t) {
-                    LOGGER.error("Error while evaluating variable value", t);
+                    LOGGER.error("Error while evaluating variable value, context = " + context + " uri=" + uri, t);
                 }
 
                 @Override
@@ -573,6 +589,23 @@ public class SpreadsheetGraphUtils {
             });
         }
         
+        @Override
+        public void modify(Object context, Variant newValue) {
+            
+            Simantics.getSession().asyncRequest(new WriteRequest() {
+
+                @Override
+                public void perform(WriteGraph graph) throws DatabaseException {
+                    Variable contextVariable = Variables.getVariable(graph, (String)context);
+                    Variable configVariable = Variables.getVariable(graph,uri);
+                    Variable activeVariable = Variables.switchPossibleContext(graph, configVariable, contextVariable.getRepresents(graph));
+                    if(activeVariable == null) return;
+                    activeVariable.setValue(graph, newValue.getValue(), newValue.getBinding());
+                }
+            });
+            
+        }
+        
     }
     
     public static CellEditor cellEditor(ReadGraph graph, Resource sheet) throws DatabaseException {