Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / adapter / TypeGroup.java

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/TypeGroup.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/TypeGroup.java
new file mode 100644 (file)
index 0000000..5fec41d
--- /dev/null
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/TypeGroup.java
@@ -0,0 +1,105 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.diagram.adapter;\r
+\r
+import java.util.Arrays;\r
+import java.util.Collection;\r
+import java.util.Collections;\r
+import java.util.HashSet;\r
+import java.util.Set;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.RequestProcessor;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.primitiverequest.OrderedSet;\r
+import org.simantics.db.common.procedure.wrapper.SetListenerToSingleSetListener;\r
+import org.simantics.db.common.request.BinaryRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.procedure.SetListener;\r
+import org.simantics.diagram.stubs.DiagramResource;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.scenegraph.profile.Group;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class TypeGroup implements Group {\r
+\r
+    private final Collection<Resource> types;\r
+    private final String               name;\r
+\r
+    public TypeGroup(String name, Resource type) {\r
+        this(name);\r
+    }\r
+\r
+    public TypeGroup(String name, Resource... types) {\r
+        this.types = Arrays.asList(types);\r
+        this.name = name;\r
+    }\r
+\r
+    /**\r
+     * Initialize TypeGroup from a DIAGRAM.Group instance.\r
+     * \r
+     * @param graph\r
+     * @param group\r
+     * @throws DatabaseException\r
+     */\r
+    public TypeGroup(ReadGraph graph, final Resource group) throws DatabaseException {\r
+        Layer0 L0 = Layer0.getInstance(graph);\r
+        DiagramResource DIA = DiagramResource.getInstance(graph);\r
+\r
+        this.name = graph.getPossibleRelatedValue(group, L0.HasName, Bindings.STRING);\r
+        this.types = graph.getObjects(group, DIA.TypeGroup_HasType);\r
+    }\r
+\r
+    @Override\r
+    public void trackItems(RequestProcessor processor, final Resource runtimeDiagram, final SetListener<Resource> listener) {\r
+        if (types.isEmpty()) {\r
+            System.out.println("TypeGroup has no types!");\r
+            return;\r
+        }\r
+\r
+        processor.asyncRequest(new BinaryRead<Resource, Collection<Resource>, Collection<Resource>>(runtimeDiagram, types) {\r
+\r
+            @Override\r
+            public Set<Resource> perform(ReadGraph graph) throws DatabaseException {\r
+                HashSet<Resource> result = new HashSet<Resource>();\r
+\r
+                Resource realDiagram = graph.getPossibleObject(runtimeDiagram, DiagramResource.getInstance(graph).RuntimeDiagram_HasConfiguration);\r
+                if (realDiagram == null)\r
+                    return result;\r
+\r
+//                System.out.println("looking for diagram elements of type:");\r
+//                for (Resource t : types)\r
+//                    System.out.println("\t" + NameUtils.getSafeName(graph, t, true));\r
+\r
+                Collection<Resource> elements = graph.syncRequest(new OrderedSet(realDiagram));\r
+                for (Resource element : elements) {\r
+//                    System.out.println("checking element " + NameUtils.getSafeName(graph, element, true));\r
+                    Collection<Resource> elementTypes = graph.getTypes(element);\r
+                    if (!Collections.disjoint(types, elementTypes))\r
+                        result.add(element);\r
+                }\r
+\r
+                return result;\r
+            }\r
+\r
+        }, new SetListenerToSingleSetListener<Resource>(listener));\r
+    }\r
+\r
+    @Override\r
+    public String toString() {\r
+        return "every '" + name + "'";\r
+    }\r
+\r
+}\r