X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fprofile%2FDiagramElementGroup.java;fp=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fprofile%2FDiagramElementGroup.java;h=2f4b99daeef239eec2b9fcdad9bffdc767d96d5c;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/profile/DiagramElementGroup.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/profile/DiagramElementGroup.java
new file mode 100644
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+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/profile/DiagramElementGroup.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.diagram.profile;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.RequestProcessor;
+import org.simantics.db.Resource;
+import org.simantics.db.common.primitiverequest.OrderedSet;
+import org.simantics.db.common.procedure.wrapper.SetListenerToSingleSetListener;
+import org.simantics.db.common.request.BinaryRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.SetListener;
+import org.simantics.diagram.stubs.DiagramResource;
+import org.simantics.scenegraph.profile.Group;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public abstract class DiagramElementGroup implements Group {
+
+    protected DiagramResource DIA;
+
+    public DiagramElementGroup(ReadGraph graph) {
+        this.DIA = DiagramResource.getInstance(graph);
+    }
+
+    @Override
+    public void trackItems(RequestProcessor processor, final Resource runtimeDiagram, final SetListener<Resource> listener) {
+        processor.asyncRequest(new BinaryRead<Class<?>, Resource, Collection<Resource>>(getClass(), runtimeDiagram) {
+
+            @Override
+            public Set<Resource> perform(ReadGraph graph) throws DatabaseException {
+                HashSet<Resource> result = new HashSet<Resource>();
+
+                Resource realDiagram = graph.getPossibleObject(parameter2, DIA.RuntimeDiagram_HasConfiguration);
+                if (realDiagram == null)
+                    return result;
+
+                Collection<Resource> elements = graph.syncRequest(new OrderedSet(realDiagram));
+                for (Resource element : elements) {
+                    if (test(graph, element)) {
+                        result.add(element);
+                    }
+                }
+
+                return result;
+            }
+
+        }, new SetListenerToSingleSetListener<Resource>(listener));
+    }
+
+    protected abstract boolean test(ReadGraph graph, Resource element) throws DatabaseException;
+
+}