]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.modeling/src/org/simantics/modeling/ModelingUtils.java
Improved shared library structure dump to take more types into account
[simantics/platform.git] / bundles / org.simantics.modeling / src / org / simantics / modeling / ModelingUtils.java
index 2afdac9927aea060858b0b30f3a30c3d59ddaf87..1edf3cd3121a4e4682e5de0012916fcfd0b74ee5 100644 (file)
@@ -29,6 +29,7 @@ import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.core.runtime.Path;
+import org.eclipse.core.runtime.SubMonitor;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.dialogs.MessageDialog;
@@ -61,13 +62,18 @@ import org.simantics.databoard.serialization.SerializationException;
 import org.simantics.databoard.type.Datatype;
 import org.simantics.databoard.util.URIStringUtils;
 import org.simantics.datatypes.literal.GUID;
+import org.simantics.db.MetadataI;
 import org.simantics.db.ReadGraph;
 import org.simantics.db.RequestProcessor;
 import org.simantics.db.Resource;
+import org.simantics.db.Session;
 import org.simantics.db.Statement;
+import org.simantics.db.VirtualGraph;
 import org.simantics.db.WriteGraph;
+import org.simantics.db.common.Indexing;
 import org.simantics.db.common.NamedResource;
 import org.simantics.db.common.QueryMemoryWatcher;
+import org.simantics.db.common.changeset.GenericChangeListener;
 import org.simantics.db.common.primitiverequest.IsInstanceOf;
 import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
 import org.simantics.db.common.procedure.adapter.TransientCacheListener;
@@ -86,14 +92,17 @@ import org.simantics.db.common.utils.VersionInfo;
 import org.simantics.db.common.utils.VersionInfoRequest;
 import org.simantics.db.common.utils.Versions;
 import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.QueryIndexUtils;
 import org.simantics.db.layer0.SelectionHints;
 import org.simantics.db.layer0.adapter.CopyHandler;
 import org.simantics.db.layer0.adapter.GenericRelationIndex;
 import org.simantics.db.layer0.adapter.Instances;
 import org.simantics.db.layer0.adapter.impl.DefaultPasteImportAdvisor;
-import org.simantics.db.layer0.adapter.impl.EntityInstances.QueryIndex;
 import org.simantics.db.layer0.adapter.impl.ImportAdvisorFactory;
+import org.simantics.db.layer0.genericrelation.DependenciesRelation.DependencyChangesRequest;
+import org.simantics.db.layer0.genericrelation.DependencyChanges;
 import org.simantics.db.layer0.genericrelation.IndexedRelations;
+import org.simantics.db.layer0.migration.MigratedImportResult;
 import org.simantics.db.layer0.migration.MigrationUtils;
 import org.simantics.db.layer0.request.ActivateModel;
 import org.simantics.db.layer0.request.ActiveModels;
@@ -117,11 +126,13 @@ import org.simantics.db.layer0.variable.Variables;
 import org.simantics.db.request.Read;
 import org.simantics.db.service.ClusterControl;
 import org.simantics.db.service.CollectionSupport;
+import org.simantics.db.service.GraphChangeListenerSupport;
 import org.simantics.db.service.QueryControl;
 import org.simantics.db.service.VirtualGraphSupport;
 import org.simantics.diagram.stubs.DiagramResource;
 import org.simantics.diagram.stubs.G2DResource;
 import org.simantics.diagram.synchronization.graph.AddElement;
+import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
 import org.simantics.graph.db.IImportAdvisor2;
 import org.simantics.graph.db.ImportAdvisors;
 import org.simantics.graph.db.MissingDependencyException;
@@ -139,6 +150,7 @@ import org.simantics.layer0.Layer0;
 import org.simantics.layer0.utils.direct.GraphUtils;
 import org.simantics.modeling.adapters.ChangeInformation;
 import org.simantics.modeling.template2d.ontology.Template2dResource;
+import org.simantics.modeling.utils.OntologicalRequirementTracker;
 import org.simantics.operation.Layer0X;
 import org.simantics.project.ontology.ProjectResource;
 import org.simantics.scenegraph.profile.ProfileUtils;
@@ -146,9 +158,9 @@ import org.simantics.scl.runtime.function.Function1;
 import org.simantics.scl.runtime.tuple.Tuple;
 import org.simantics.simulation.ontology.SimulationResource;
 import org.simantics.structural.stubs.StructuralResource2;
+import org.simantics.structural2.modelingRules.IModelingRules;
 import org.simantics.structural2.scl.StructuralComponent;
 import org.simantics.structural2.utils.StructuralUtils;
-import org.simantics.ui.SimanticsUI;
 import org.simantics.utils.ObjectUtils;
 import org.simantics.utils.datastructures.Pair;
 import org.simantics.utils.datastructures.Triple;
@@ -403,7 +415,7 @@ public class ModelingUtils {
 
        public static void importModel(String fileName) {
 
-               Resource project = SimanticsUI.getProject().get();
+               Resource project = Simantics.getProject().get();
 
                try (StreamingTransferableGraphFileReader importer = new StreamingTransferableGraphFileReader(new File(fileName))) {
                        TransferableGraphSource tg = importer.readTG();
@@ -631,6 +643,46 @@ public class ModelingUtils {
 
        }
 
+    public static void trackOntologicalRequirements() {
+        Session session = Simantics.getSession();
+        GraphChangeListenerSupport changeListenerSupport = session.getService(GraphChangeListenerSupport.class);
+        changeListenerSupport.addMetadataListener( OntologicalRequirementListener.getInstance() );
+    }
+
+    public static void untrackOntologicalRequirements() {
+        Session session = Simantics.getSession();
+        GraphChangeListenerSupport changeListenerSupport = session.getService(GraphChangeListenerSupport.class);
+        changeListenerSupport.removeMetadataListener( OntologicalRequirementListener.getInstance() );
+    }
+
+    public static class OntologicalRequirementListener extends GenericChangeListener<DependencyChangesRequest, DependencyChanges> {
+
+        private static OntologicalRequirementListener INSTANCE;
+
+        public static OntologicalRequirementListener getInstance() {
+            if(INSTANCE == null) {
+                INSTANCE = new OntologicalRequirementListener();
+            }
+            return INSTANCE;
+        }
+
+        private OntologicalRequirementListener() {
+        }
+
+        private OntologicalRequirementTracker changeInformationUpdater = new OntologicalRequirementTracker();
+
+        @Override
+        public boolean preEventRequest() {
+            return !Indexing.isDependenciesIndexingDisabled();
+        }
+
+        @Override
+        public void onEvent(ReadGraph graph, MetadataI metadata, DependencyChanges event) throws DatabaseException {
+            changeInformationUpdater.update(graph, metadata, event);
+        }
+
+    }
+
     public static void removeIndex(WriteGraph graph, Resource model) throws DatabaseException {
         Layer0X L0X = Layer0X.getInstance(graph);
         IndexedRelations ir = graph.getService(IndexedRelations.class);
@@ -704,78 +756,59 @@ public class ModelingUtils {
         return result;
     }
 
+    @Deprecated
     public static List<Resource> searchByTypeShallow(ReadGraph graph, Resource model, Resource type) throws DatabaseException {
-        return graph.syncRequest(new QueryIndex(model, type, ""), TransientCacheListener.<List<Resource>>instance());
+        return QueryIndexUtils.searchByTypeShallow(graph, model, type);
     }
 
+    @Deprecated
     public static List<Resource> searchByType(ReadGraph graph, Resource model, Resource type) throws DatabaseException {
-       Instances query = graph.adapt(type, Instances.class);
-       return Layer0Utils.sortByCluster(graph, query.find(graph, model));
+        return QueryIndexUtils.searchByType(graph, model, type);
     }
 
+    @Deprecated
     public static List<Resource> searchByGUID(ReadGraph graph, Resource indexRoot, GUID guid) throws DatabaseException {
-       return searchByGUID(graph, indexRoot, guid.indexString());
+        return QueryIndexUtils.searchByGUID(graph, indexRoot, guid);
     }
     
+    @Deprecated
     public static List<Resource> searchByGUID(ReadGraph graph, Resource indexRoot, String indexString) throws DatabaseException {
-       return searchByQueryShallow(graph, indexRoot, "GUID:" + indexString);
+        return QueryIndexUtils.searchByGUID(graph, indexRoot, indexString);
     }
 
+    @Deprecated
     public static List<Resource> searchByQueryShallow(ReadGraph graph, Resource model, String query) throws DatabaseException {
-        return graph.syncRequest(new QueryIndex(model, Layer0.getInstance(graph).Entity, query), TransientCacheListener.<List<Resource>>instance());
+        return QueryIndexUtils.searchByQueryShallow(graph, model, query);
     }
 
+    @Deprecated
     public static List<Resource> searchByQuery(ReadGraph graph, Resource model, String query) throws DatabaseException {
-        Instances instances = graph.adapt(Layer0.getInstance(graph).Entity, Instances.class);
-        Collection<Resource> queryResult = instances.find(graph, model, query);
-        return Layer0Utils.sortByCluster(graph, queryResult);
+        return QueryIndexUtils.searchByQuery(graph, model, query);
     }
 
+    @Deprecated
     public static List<Resource> searchByTypeAndFilter(ReadGraph graph, Resource model, Resource type, Function1<Resource,Boolean> filter) throws DatabaseException {
-       Instances query = graph.adapt(type, Instances.class);
-       ArrayList<Resource> result =  new ArrayList<Resource>();
-       for(Resource r : query.find(graph, model)) {
-               if(filter.apply(r))
-                       result.add(r);
-       }
-       return result;
+        return QueryIndexUtils.searchByTypeAndFilter(graph, model, type, filter);
     }
 
+    @Deprecated
     public static List<Triple<Resource, Resource, String>> getIndexEntries(ReadGraph graph, Resource model, String filter) throws DatabaseException {
-       Layer0 L0 = Layer0.getInstance(graph);
-       List<Resource> entries = searchByQuery(graph, model, filter);
-       List<Triple<Resource, Resource, String>> listOfTriples = new ArrayList<Triple<Resource,Resource,String>>();
-       for (Resource entry : entries) {
-               Resource type = graph.getPossibleObject(entry, L0.InstanceOf);
-               String name = NameUtils.getSafeName(graph, entry);
-               listOfTriples.add(new Triple<Resource, Resource, String>(entry, type, name));
-       }
-               return listOfTriples;
+        return QueryIndexUtils.getIndexEntries(graph, model, filter);
     }
-    
+
+    @Deprecated
     public static String listIndexEntries(ReadGraph graph, Resource model, String filter) throws DatabaseException {
-       List<Triple<Resource, Resource, String>> listOfTriples = getIndexEntries(graph, model, filter);
-       StringBuilder sb = new StringBuilder();
-       sb.append("== LISTING INDEX ENTRIES OF INDEX: " + NameUtils.getSafeName(graph, model) + ". AMOUNT OF ENTRIES: " + listOfTriples.size() + " ==\n");
-       for (Triple<Resource, Resource, String> entry : listOfTriples) {
-               String instanceOf = NameUtils.getSafeName(graph, entry.second);
-               sb.append("Name: " + entry.third + " instanceOf: " + instanceOf + " Resource: " + entry.first.toString() + "\n");
-       }
-               return sb.toString();
+        return QueryIndexUtils.listIndexEntries(graph, model, filter);
     }
 
+    @Deprecated
     public static List<Resource> searchByTypeAndName(ReadGraph graph, Resource model, Resource type, String name) throws DatabaseException {
-       Instances query = graph.adapt(type, Instances.class);
-       ArrayList<Resource> result =  new ArrayList<Resource>();
-       for(Resource r : query.findByName(graph, model, name)) {
-               if(graph.isInstanceOf(r, type))
-                       result.add(r);
-       }
-       return result;
+        return QueryIndexUtils.searchByTypeAndName(graph, model, type, name);
     }
 
+    @Deprecated
     public static List<Resource> searchByTypeAndNameShallow(ReadGraph graph, Resource model, Resource type, String name) throws DatabaseException {
-        return graph.syncRequest(new QueryIndex(model, type, name), TransientCacheListener.<List<Resource>>instance());
+        return QueryIndexUtils.searchByTypeAndNameShallow(graph, model, type, name);
     }
 
        /**
@@ -1402,18 +1435,27 @@ public class ModelingUtils {
        
     }
     
-    public static void importSharedOntology(String fileName) throws Exception {
+    public static MigratedImportResult importSharedOntologyWithResult(String fileName) throws Exception {
        try {
                DataContainer dc = DataContainers.readFile(new File(fileName));
                TransferableGraph1 tg = (TransferableGraph1)dc.content.getValue(TransferableGraph1.BINDING);
                Variant draftStatus = dc.metadata.get(DraftStatusBean.EXTENSION_KEY);
-               MigrationUtils.importSharedOntology(Simantics.getSession(), tg, draftStatus == null);
+               return MigrationUtils.importSharedOntology(Simantics.getSession(), tg, draftStatus == null);
        } catch (Exception e) {
                Logger.defaultLogError(e);
                throw e;
        }
     }
     
+    public static void importSharedOntology(String fileName) throws Exception {
+       importSharedOntologyWithResult(fileName);
+    }
+
+    public static List<Resource> importSharedOntology2(String fileName) throws Exception {
+       MigratedImportResult result = importSharedOntologyWithResult(fileName);
+       return new ArrayList<Resource>(result.roots);
+    }
+    
     public static void importSharedOntologyWithUI(ReadGraph graph, final Variable variable) throws DatabaseException {
        
        Display.getDefault().asyncExec(new Runnable() {
@@ -1474,53 +1516,46 @@ public class ModelingUtils {
     }
        
     public static TransferableGraph1 exportSharedOntology(IProgressMonitor monitor, RequestProcessor processor, File location, String format, int version, final LibraryInfo info) throws DatabaseException, IOException {
-       
-       if(monitor == null) monitor = new NullProgressMonitor();
-       
+        SubMonitor mon = SubMonitor.convert(monitor, "Exporting shared library", 100);
+
         // TODO: figure out a way to make the TG go directly into a file
         // instead of having it all in memory at once.
 
-        monitor.beginTask("Exporting shared library...", 100);
-       SimanticsClipboard clipboard = processor.syncRequest(new Read<SimanticsClipboard>() {
-            @Override
-            public SimanticsClipboard perform(ReadGraph graph) throws DatabaseException {
-                CopyHandler ch = graph.adapt(info.library.getResource(), CopyHandler.class);
-                SimanticsClipboardImpl clipboard = new SimanticsClipboardImpl();
-                ch.copyToClipboard(graph, clipboard);
-                return clipboard;
-            }
+        SimanticsClipboard clipboard = processor.syncRequest((ReadGraph graph) -> {
+            CopyHandler ch = graph.adapt(info.library.getResource(), CopyHandler.class);
+            SimanticsClipboardImpl result = new SimanticsClipboardImpl();
+            ch.copyToClipboard(graph, result, mon.split(5));
+            return result;
         });
-       
+
         TreeMap<String,Variant> metadata = getExportMetadata();
         DraftStatusBean draft = info.draft;
         if(draft != null) {
-               metadata.put(DraftStatusBean.EXTENSION_KEY, new Variant(DraftStatusBean.BINDING ,draft));
+            metadata.put(DraftStatusBean.EXTENSION_KEY, new Variant(DraftStatusBean.BINDING ,draft));
         }
-        
+
         for (Set<Representation> object : clipboard.getContents()) {
-               
+            mon.subTask("Constructing exported material");
             TransferableGraph1 tg = ClipboardUtils.accept(processor, object, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
-            monitor.worked(95);
-            
+            mon.worked(90);
+
             Variant edb = tg.extensions.get(ExternalDownloadBean.EXTENSION_KEY);
             if(edb != null) {
-               metadata.put(ExternalDownloadBean.EXTENSION_KEY, edb);
+                metadata.put(ExternalDownloadBean.EXTENSION_KEY, edb);
             }
 
             if(location != null) {
-                   monitor.setTaskName("Writing transferable graph...");
+                   monitor.subTask("Writing transferable graph");
                    DataContainers.writeFile(location, new DataContainer(
                            format, version,
                            metadata, new Variant(TransferableGraph1.BINDING, tg)));
                    monitor.worked(5);
             }
-            
+
             return tg;
-            
         }
-        
-        throw new DatabaseException("Failed to export");
-        
+
+        throw new DatabaseException("Export failed, no contents to export");
     }
 
     public static TreeMap<String, Variant> getExportMetadata() {
@@ -1712,37 +1747,78 @@ public class ModelingUtils {
        
     }
 
-    
-    public static void createSCLModuleDefault(WriteGraph graph, Resource target) throws DatabaseException {
-       String name = NameUtils.findFreshEscapedName(graph, "SCLModule", target);
-       createSCLModule(graph, target, name);
+    public static Resource createSCLModuleDefault(WriteGraph graph, Resource target) throws DatabaseException {
+        String name = NameUtils.findFreshEscapedName(graph, "SCLModule", target);
+        return createSCLModule(graph, target, name);
     }
 
-    public static void createSCLModule(WriteGraph graph, Resource target, String name) throws DatabaseException {
+    public static Resource createSCLModule(WriteGraph graph, Resource target, String name) throws DatabaseException {
         graph.markUndoPoint();
-       Layer0 L0 = Layer0.getInstance(graph);
+        Layer0 L0 = Layer0.getInstance(graph);
         Resource sclModule = GraphUtils.create2(graph, L0.SCLModule,
                 L0.HasName, name,
                 L0.PartOf, target,
                 L0.SCLModule_definition, "");
-       Layer0Utils.addCommentMetadata(graph, "Created SCL Module " + name + " " + sclModule.toString());
+        Layer0Utils.addCommentMetadata(graph, "Created SCL Module " + name + " " + sclModule.toString());
+        return sclModule;
     }
 
-    public static void createPGraphDefault(WriteGraph graph, Resource target) throws DatabaseException {
-       String name = NameUtils.findFreshEscapedName(graph, "Ontology Definition File", target);
-       createPGraph(graph, target, name);
+    public static Resource setSCLModuleDefinition(WriteGraph graph, Resource module, String definition) throws DatabaseException {
+        graph.markUndoPoint();
+        Layer0 L0 = Layer0.getInstance(graph);
+        graph.claimLiteral(module, L0.SCLModule_definition, definition, Bindings.STRING);
+        Layer0Utils.addCommentMetadata(graph, "Set SCL module " + module + " definition.");
+        return module;
     }
 
-    public static void createPGraph(WriteGraph graph, Resource target, String name) throws DatabaseException {
+    public static Resource createSCLScriptDefault(WriteGraph graph, Resource target) throws DatabaseException {
+        String name = NameUtils.findFreshEscapedName(graph, "SCLScript", target);
+        return createSCLScript(graph, target, name);
+    }
+
+    public static Resource createSCLScript(WriteGraph graph, Resource target, String name) throws DatabaseException {
         graph.markUndoPoint();
-       Layer0 L0 = Layer0.getInstance(graph);
+        Layer0 L0 = Layer0.getInstance(graph);
+        Resource sclModule = GraphUtils.create2(graph, L0.SCLScript,
+                L0.HasName, name,
+                L0.PartOf, target,
+                L0.SCLScript_definition, "");
+        Layer0Utils.addCommentMetadata(graph, "Created SCL Script " + name + " " + sclModule.toString());
+        return sclModule;
+    }
+
+    public static Resource setSCLScriptDefinition(WriteGraph graph, Resource script, String definition) throws DatabaseException {
+        graph.markUndoPoint();
+        Layer0 L0 = Layer0.getInstance(graph);
+        graph.claimLiteral(script, L0.SCLScript_definition, definition, Bindings.STRING);
+        Layer0Utils.addCommentMetadata(graph, "Set SCL script " + script + " definition.");
+        return script;
+    }
+
+    public static Resource createPGraphDefault(WriteGraph graph, Resource target) throws DatabaseException {
+        String name = NameUtils.findFreshEscapedName(graph, "Ontology Definition File", target);
+        return createPGraph(graph, target, name);
+    }
+
+    public static Resource createPGraph(WriteGraph graph, Resource target, String name) throws DatabaseException {
+        graph.markUndoPoint();
+        Layer0 L0 = Layer0.getInstance(graph);
         Resource file = GraphUtils.create2(graph, L0.PGraph,
                 L0.HasName, name,
                 L0.PartOf, target,
                 L0.PGraph_definition, "");
-       Layer0Utils.addCommentMetadata(graph, "Created Ontology Definition File " + name + " " + file.toString());
+        Layer0Utils.addCommentMetadata(graph, "Created Ontology Definition File " + name + " " + file.toString());
+        return file;
     }
-    
+
+    public static Resource setPGraphDefinition(WriteGraph graph, Resource pgraph, String definition) throws DatabaseException {
+        graph.markUndoPoint();
+        Layer0 L0 = Layer0.getInstance(graph);
+        graph.claimLiteral(pgraph, L0.PGraph_definition, definition, Bindings.STRING);
+        Layer0Utils.addCommentMetadata(graph, "Set PGraph " + pgraph + " definition.");
+        return pgraph;
+    }
+
     public static void publish(WriteGraph graph, Resource target) throws DatabaseException {
        Layer0 L0 = Layer0.getInstance(graph);
        graph.claimLiteral(target, L0.Entity_published, true, Bindings.BOOLEAN);
@@ -2204,11 +2280,17 @@ public class ModelingUtils {
        }
        
        public static void exportModel(ReadGraph graph, Resource model, String fileName, String format, int version) throws DatabaseException {
+               TransferableGraphConfiguration2 conf = new TransferableGraphConfiguration2(graph, model, true, false);
+               exportModel(graph, conf, fileName, format, version);
+       }
        
+       public static void exportModel(ReadGraph graph, TransferableGraphConfiguration2 conf, String fileName, String format, int version) throws DatabaseException {
+               
                try {
-                       TransferableGraphConfiguration2 conf = new TransferableGraphConfiguration2(graph, model, true, false);
                TransferableGraphSource s = graph.syncRequest(new ModelTransferableGraphSourceRequest(conf));
                        TransferableGraphs.writeTransferableGraph(graph, format, version, s, new File(fileName));
+               } catch (DatabaseException e) {
+                       throw e;
                } catch (Exception e) {
                        throw new DatabaseException(e);
                }
@@ -2284,7 +2366,7 @@ public class ModelingUtils {
                        
                monitor.setTaskName("Creating missing GUID identifiers " + NameUtils.getSafeName(graph, root));
                        Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(root));
-                       for(Resource r : searchByType(graph, indexRoot, L0.Entity)) {
+                       for(Resource r : searchByTypeShallow(graph, indexRoot, L0.Entity)) {
 
                                memory.maintain();
 
@@ -2313,31 +2395,45 @@ public class ModelingUtils {
        }
        
        public static File fileDialog(String title, List<Tuple> namesAndExtensions) {
-               
-               Display display = Display.getCurrent();
-               Shell shell = display.getActiveShell();
-               
-        FileDialog dialog = new FileDialog(shell, SWT.OPEN);
-        dialog.setText(title);
-        
-        String[] extensions = new String[namesAndExtensions.size()];
-        String[] filterNames = new String[namesAndExtensions.size()];
-        int index = 0;
-        for(Tuple t : namesAndExtensions) {
-               String filterName = (String)t.get(0);
-               String extension = (String)t.get(1);
-               filterNames[index] = filterName;
-               extensions[index] = extension;
-               index++;
-        }
-        
-        dialog.setFilterExtensions(extensions);
-        dialog.setFilterNames(filterNames);
-        final String fileName = dialog.open();
-        if (fileName == null) return null;
-        
-        return new File(fileName);
+               return new Runnable() {
+                       private File result;
+                       
+                       File getFile() {
+                               Display.getDefault().syncExec(this);
+                               return result;
+                       }
+                       
+                       @Override
+                       public void run() {
+                               result = showDialog();
+                       }
 
+                       private File showDialog() {
+                               Display display = Display.getCurrent();
+                               Shell shell = display.getActiveShell();
+                               
+                       FileDialog dialog = new FileDialog(shell, SWT.OPEN);
+                       dialog.setText(title);
+                       
+                       String[] extensions = new String[namesAndExtensions.size()];
+                       String[] filterNames = new String[namesAndExtensions.size()];
+                       int index = 0;
+                       for(Tuple t : namesAndExtensions) {
+                               String filterName = (String)t.get(0);
+                               String extension = (String)t.get(1);
+                               filterNames[index] = filterName;
+                               extensions[index] = extension;
+                               index++;
+                       }
+                       
+                       dialog.setFilterExtensions(extensions);
+                       dialog.setFilterNames(filterNames);
+                       final String fileName = dialog.open();
+                       if (fileName == null) return null;
+                       
+                       return new File(fileName);
+                       }
+               }.getFile();
        }
        
        public static Resource createLibrary(WriteGraph graph, Resource parent) throws DatabaseException {
@@ -2359,5 +2455,20 @@ public class ModelingUtils {
         return library;
     }
 
+    public static IModelingRules getModelingRules(ReadGraph graph, Resource diagramResource) throws DatabaseException {
+        return DiagramGraphUtil.getModelingRules(graph, diagramResource, null);
+    }
 
+    public static void markChanged(WriteGraph graph, Resource r) throws DatabaseException {
+        VirtualGraphSupport support = Simantics.getSession().getService(VirtualGraphSupport.class);
+        VirtualGraph vg = support.getWorkspacePersistent("changeInformation");
+        graph.syncRequest(new WriteRequest(vg) {
+            @Override
+            public void perform(WriteGraph graph) throws DatabaseException {
+                ModelingResources MOD = ModelingResources.getInstance(graph);
+                graph.claim(r, MOD.changed, MOD.changed, r);
+            }
+        });
+    }
+    
 }