Add white background for hover & static info on district network diagram

[simantics/district.git] / org.simantics.district.network.ui / src / org / simantics / district / network / ui / styles / DistrictNetworkHoverInfoStyle.java

diff --git a/org.simantics.district.network.ui/src/org/simantics/district/network/ui/styles/DistrictNetworkHoverInfoStyle.java b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/styles/DistrictNetworkHoverInfoStyle.java
index f01fa2aeece9cdd63dc1e340908307f98158399d..c5e3a6f6a19dc7df6bd50092b20b6f7cac3a5bc5 100644 (file)
--- a/org.simantics.district.network.ui/src/org/simantics/district/network/ui/styles/DistrictNetworkHoverInfoStyle.java
+++ b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/styles/DistrictNetworkHoverInfoStyle.java
@@ -11,6 +11,7 @@ import org.simantics.db.Resource;
 import org.simantics.db.common.procedure.adapter.TransientCacheListener;
 import org.simantics.db.common.request.ResourceRead;
 import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.exception.MissingVariableException;
 import org.simantics.db.layer0.exception.MissingVariableValueException;
 import org.simantics.db.layer0.exception.PendingVariableException;
 import org.simantics.db.layer0.util.Layer0Utils;
@@ -33,9 +34,13 @@ import org.simantics.scl.runtime.SCLContext;
 import org.simantics.scl.runtime.function.Function1;
 import org.simantics.scl.runtime.tuple.Tuple3;
 import org.simantics.structural.stubs.StructuralResource2;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class DistrictNetworkHoverInfoStyle extends StyleBase<DistrictNetworkHoverInfoStyle.StyleResult> {
 
+    private static final Logger LOGGER = LoggerFactory.getLogger(DistrictNetworkHoverInfoStyle.class);
+
        private static final String ACTIONS_MODULE = "Actions";
        private static final String HOVER_CONTRIBUTION = "hoverContribution";
 
@@ -104,7 +109,12 @@ public class DistrictNetworkHoverInfoStyle extends StyleBase<DistrictNetworkHove
                        result = Simantics.applySCLRead(graph, function, moduleVariable);
                } catch (PendingVariableException | MissingVariableValueException e) {
                        result = Collections.singletonList(new Tuple3("<pending>", "", ""));
-               }
+               } catch (MissingVariableException e) {
+            // the requested variable is missing from the UC
+            String message = e.getMessage();
+            LOGGER.warn("Missing variable for calculating style with function {} {}", function, message);
+            result = Collections.singletonList(new Tuple3("<" + message +">", "", ""));
+        }
                
                Point2D point;
                DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);