1 package org.simantics.modeling.tests.commands;
3 import org.simantics.Simantics;
4 import org.simantics.databoard.Bindings;
5 import org.simantics.db.ReadGraph;
6 import org.simantics.db.Resource;
7 import org.simantics.db.common.request.ResourceRead;
8 import org.simantics.db.exception.DatabaseException;
9 import org.simantics.db.layer0.request.Model;
10 import org.simantics.db.testing.common.CommandSequenceEnvironment;
11 import org.simantics.diagram.elements.DiagramNodeUtil;
12 import org.simantics.g2d.canvas.impl.CanvasContext;
13 import org.simantics.g2d.diagram.DiagramHints;
14 import org.simantics.g2d.diagram.IDiagram;
15 import org.simantics.g2d.scenegraph.ICanvasSceneGraphProvider;
16 import org.simantics.layer0.Layer0;
17 import org.simantics.layer0.utils.triggers.IActivation;
18 import org.simantics.layer0.utils.triggers.IActivationManager;
19 import org.simantics.modeling.ModelingResources;
20 import org.simantics.modeling.tests.traits.SingleResourceTrait;
21 import org.simantics.modeling.tests.traits.SingleResourceTraitImpl;
22 import org.simantics.utils.threads.WorkerThread;
24 public class LoadDiagram extends ResourceWriteCommand<CommandSequenceEnvironment> implements SingleResourceTrait {
25 private static final boolean DEBUG = true;
26 private SingleResourceTrait diagram;
28 transient private ICanvasSceneGraphProvider provider;
29 transient private CanvasContext ctx;
30 transient private IActivation activation;
31 transient private WorkerThread workerThread;
33 public LoadDiagram(SingleResourceTrait diagram) {
34 this.diagram = diagram;
37 public LoadDiagram(Resource diagram) {
38 this(new SingleResourceTraitImpl(diagram));
42 public Resource runResource(CommandSequenceEnvironment environment) throws DatabaseException {
46 Resource model = Simantics.sync(new Model(diagram.getResource()));
47 String diagramName = Simantics.sync(new ResourceRead<String>(diagram.getResource()) {
50 public String perform(ReadGraph graph) throws DatabaseException {
51 Layer0 L0 = Layer0.getInstance(graph);
52 ModelingResources MOD = ModelingResources.getInstance(graph);
53 Resource composite = graph.getPossibleObject(resource, MOD.DiagramToComposite);
54 return graph.getPossibleRelatedValue(composite, L0.HasName, Bindings.STRING);
59 System.out.println("DEBUG: load " + diagramName);
60 workerThread = new WorkerThread("Load diagram");
63 ctx = new CanvasContext(workerThread);
64 provider = DiagramNodeUtil.loadSceneGraphProvider(ctx, model, diagram.getResource(), "/" + diagramName);
66 IActivationManager activationManager = Simantics.getSession().peekService(IActivationManager.class);
67 if (activationManager != null) {
68 activation = activationManager.activate(diagram.getResource());
71 } catch (InterruptedException e) {
72 throw new DatabaseException(e);
75 return diagram.getResource();
79 public ICanvasSceneGraphProvider getProvider() {
83 public IActivation getActivation() {
87 public CanvasContext getContext() {
91 public WorkerThread getWorkerThread() {
95 public IDiagram getDiagram() {
96 return ctx.getDefaultHintContext().getHint(DiagramHints.KEY_DIAGRAM);