import org.simantics.db.Resource;
import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
import org.simantics.db.exception.DatabaseException;
-import org.simantics.diagram.profile.StyleBase;
import org.simantics.scenegraph.INode;
import org.simantics.scenegraph.g2d.G2DSceneGraph;
import org.simantics.scenegraph.g2d.nodes.ConnectionNode;
import org.simantics.scenegraph.profile.EvaluationContext;
import org.simantics.scenegraph.profile.common.ProfileVariables;
-public class EdgeThicknessStyle extends StyleBase<Double> {
+public class EdgeThicknessStyle extends ThrottledStyleBase<Double> {
private static final Double PENDING = Double.NaN;
private static final Double ONE = 1.0;
@Override
- public Double calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource groupItem) throws DatabaseException {
+ public Double calculateThrottledStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource groupItem) throws DatabaseException {
DiagramSettings ds = graph.syncRequest(new DiagramSettingsRequest(runtimeDiagram), TransientCacheAsyncListener.instance());
- Double thickness = ONE;
- if (ds.edgeThicknessProperty.isPresent()) {
- thickness = Simantics.applySCLRead(graph, ds.edgeThicknessProperty.get(), groupItem);
-// System.out.println("read thickness: " + thickness + " : " + ds.edgeThicknessProperty);
- if (thickness == null) {
- thickness = ONE;
- } else {
- thickness = thickness * ds.edgeThicknessGain + ds.edgeThicknessBias;
+ // Prevent PendingVariableExceptions from coming through
+ boolean wasSynchronous = graph.setSynchronous(true);
+ try {
+ Double thickness = ONE;
+ if (ds.edgeThicknessProperty.isPresent()) {
+ thickness = Simantics.applySCLRead(graph, ds.edgeThicknessProperty.get(), groupItem);
+ // System.out.println("read thickness: " + thickness + " : " + ds.edgeThicknessProperty);
+ if (thickness == null) {
+ thickness = ONE;
+ } else {
+ thickness = thickness * ds.edgeThicknessGain + ds.edgeThicknessBias;
+ }
}
+
+ return thickness;
+ }
+ finally {
+ graph.setSynchronous(wasSynchronous);
}
- return thickness;
}
@Override
- public void applyStyleForNode(EvaluationContext observer, INode node, Double value) {
+ public void applyThrottledStyleForNode(EvaluationContext observer, INode node, Double value) {
// System.out.println("apply: " + node + " : " + value);
ConnectionNode n = (ConnectionNode) node;
if (value == PENDING) {