--- /dev/null
+package org.simantics.district.network.profile;
+
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+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.SingleElementNode;
+import org.simantics.scenegraph.profile.EvaluationContext;
+import org.simantics.scenegraph.profile.common.ProfileVariables;
+
+public class VertexSizeStyle extends StyleBase<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 {
+ DiagramSettings ds = graph.syncRequest(new DiagramSettingsRequest(runtimeDiagram), TransientCacheAsyncListener.instance());
+ Double scaling = ONE;
+ if (ds.vertexScaleProperty.isPresent()) {
+ scaling = Simantics.applySCLRead(graph, ds.vertexScaleProperty.get(), groupItem);
+ if (scaling == null) {
+ scaling = ONE;
+ } else {
+// System.out.println("read vertex scaling: " + scaling + " : " + ds.vertexScaleProperty);
+ scaling = scaling * ds.vertexScaleGain + ds.vertexScaleBias;
+// System.out.println("RESULT: " + scaling);
+ }
+ }
+ return scaling;
+ }
+
+ @Override
+ public void applyStyleForNode(EvaluationContext observer, INode node, Double value) {
+ //System.out.println("apply: " + node + " : " + value);
+ SingleElementNode n = (SingleElementNode) node;
+ if (value == PENDING) {
+ ((G2DSceneGraph)node.getRootNode()).setPending(node);
+ } else {
+ ((G2DSceneGraph)node.getRootNode()).clearPending(node);
+ }
+ if (value == null)
+ value = ONE;
+ for (INode nn : n.getNodes())
+ ProfileVariables.claimNodeProperty(nn, "size", value, observer);
+ }
+
+ @Override
+ protected void cleanupStyleForNode(EvaluationContext evaluationContext, INode node) {
+ ((G2DSceneGraph)node.getRootNode()).clearPending(node);
+ SingleElementNode n = (SingleElementNode) node;
+ for (INode nn : n.getNodes())
+ ProfileVariables.claimNodeProperty(nn, "size", ONE, evaluationContext);
+ }
+
+}