Ctrl+Shift+G support for finding also expressions from properties

[simantics/platform.git] / bundles / org.simantics.scl.db / src / org / simantics / scl / db / UsedSCLExpressionsRequest.java

diff --git a/bundles/org.simantics.scl.db/src/org/simantics/scl/db/UsedSCLExpressionsRequest.java b/bundles/org.simantics.scl.db/src/org/simantics/scl/db/UsedSCLExpressionsRequest.java
new file mode 100644 (file)
index 0000000..60d42fe
--- /dev/null
+++ b/bundles/org.simantics.scl.db/src/org/simantics/scl/db/UsedSCLExpressionsRequest.java
@@ -0,0 +1,83 @@
+package org.simantics.scl.db;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import java.util.TreeSet;
+
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Statement;
+import org.simantics.db.common.procedure.adapter.TransientCacheListener;
+import org.simantics.db.common.request.UniqueRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.QueryIndexUtils;
+import org.simantics.db.layer0.util.Layer0Utils;
+import org.simantics.layer0.Layer0;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class UsedSCLExpressionsRequest extends UniqueRead<Collection<SCLExpressionTableEntry>> {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(UsedSCLExpressionsRequest.class);
+
+    private static final String structuralResourceComponentURI = "http://www.simantics.org/Structural-1.2/Component";
+
+    @Override
+    public Collection<SCLExpressionTableEntry> perform(ReadGraph graph) throws DatabaseException {
+        Collection<SCLExpressionTableEntry> result = new ArrayList<>();
+        Layer0 L0 = Layer0.getInstance(graph);
+        
+        Set<Resource> indexRoots = new TreeSet<Resource>();
+        for(Resource ontology : Layer0Utils.listOntologies(graph)) {
+            if (graph.isInstanceOf(ontology, L0.SharedOntology)) {
+                indexRoots.add(ontology);
+            }
+        }
+        for(Resource child : graph.getObjects(Simantics.getProjectResource(), L0.ConsistsOf)) {
+            if (graph.isInstanceOf(child, L0.IndexRoot)) {
+                indexRoots.add(child);
+            }
+        }
+
+        Resource componentResource = graph.getPossibleResource(structuralResourceComponentURI);
+        if (componentResource != null) {
+            for (Resource ontology : indexRoots) {
+                List<Resource> components = QueryIndexUtils.searchByTypeShallow(graph, ontology, componentResource);
+                for (Resource component : components) {
+                    for (Statement propertyStatement : graph.getStatements(component, L0.HasProperty)) {
+                        if (graph.isInstanceOf(propertyStatement.getObject(), L0.SCLValue)) {
+                            Resource sclValue = propertyStatement.getObject();
+                            String expression = graph.getPossibleRelatedValue2(sclValue, L0.SCLValue_expression);
+                            Resource source = graph.getPossibleObject(sclValue, L0.PropertyOf);
+                            if (source != null) {
+                                String uri = graph.getPossibleURI(source);
+                                String pred = graph.getRelatedValue2(propertyStatement.getPredicate(), L0.HasName);
+    
+                                if (uri != null) {
+                                    result.add(new SCLExpressionTableEntry(expression, uri + "#" + pred, source));
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        } else {
+            LOGGER.info("{} is not available for finding expressions in component properties", structuralResourceComponentURI);
+        }
+        return result;
+    }
+
+    public static Collection<SCLExpressionTableEntry> execute() {
+        try {
+            return Simantics.getSession().syncRequest(new UsedSCLExpressionsRequest(), TransientCacheListener.instance());
+        } catch (DatabaseException e) {
+            e.printStackTrace();
+            return Collections.emptyList();
+        }
+    }
+
+}