First prototype of HSV color space based dynamic DN element coloring

[simantics/district.git] / org.simantics.district.network / src / org / simantics / district / network / profile / DNElementColorStyle.java

diff --git a/org.simantics.district.network/src/org/simantics/district/network/profile/DNElementColorStyle.java b/org.simantics.district.network/src/org/simantics/district/network/profile/DNElementColorStyle.java
new file mode 100644 (file)
index 0000000..682c91f
--- /dev/null
+++ b/org.simantics.district.network/src/org/simantics/district/network/profile/DNElementColorStyle.java
@@ -0,0 +1,56 @@
+package org.simantics.district.network.profile;
+
+import java.awt.Color;
+
+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.nodes.SingleElementNode;
+import org.simantics.scenegraph.profile.EvaluationContext;
+import org.simantics.scenegraph.profile.common.ProfileVariables;
+
+/**
+ * @author Tuukka Lehtonen
+ * @since 1.35.0
+ */
+public class DNElementColorStyle extends StyleBase<Color> {
+
+       private static final boolean DEBUG = false;
+
+       @Override
+       public Color calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource groupItem) throws DatabaseException {
+               DiagramSettings ds = graph.syncRequest(new DiagramSettingsRequest(runtimeDiagram), TransientCacheAsyncListener.instance());
+               if (ds.elementColoringFunction.isPresent()) {
+                       if (DEBUG)
+                               System.out.print("elementColoringFunction: " + ds.elementColoringFunction + "(" + groupItem + "): ");
+                       Double t = Simantics.applySCLRead(graph, ds.elementColoringFunction.get(), groupItem);
+                       if (DEBUG)
+                               System.out.print(t);
+                       if (t != null) {
+                               Color result = ds.coloringGradient.get(t);
+                               //System.out.println("color(" + t + "): " + result);
+                               return result;
+                       }
+               }
+               return null;
+       }
+
+       @Override
+       public void applyStyleForNode(EvaluationContext observer, INode node, Color color) {
+               SingleElementNode n = (SingleElementNode) node;
+               for (INode nn : n.getNodes())
+                       ProfileVariables.claimNodeProperty(nn, "dynamicColor", color, observer);
+       }
+
+       @Override
+       protected void cleanupStyleForNode(EvaluationContext evaluationContext, INode node) {
+               SingleElementNode n = (SingleElementNode) node;
+               for (INode nn : n.getNodes())
+                       ProfileVariables.claimNodeProperty(nn, "dynamicColor", null, evaluationContext);
+       }
+
+}