1 package org.simantics.district.selection.ui;
3 import java.util.ArrayList;
4 import java.util.Collection;
5 import java.util.Collections;
8 import org.simantics.Simantics;
9 import org.simantics.browsing.ui.common.AdaptableHintContext;
10 import org.simantics.db.ReadGraph;
11 import org.simantics.db.Resource;
12 import org.simantics.db.common.request.ResourceRead;
13 import org.simantics.db.exception.DatabaseException;
14 import org.simantics.db.layer0.QueryIndexUtils;
15 import org.simantics.db.layer0.SelectionHints;
16 import org.simantics.db.layer0.request.ActiveModels;
17 import org.simantics.db.layer0.variable.Variable;
18 import org.simantics.db.request.Read;
19 import org.simantics.district.selection.ElementSelectionResource;
20 import org.simantics.district.selection.ElementSelector;
21 import org.simantics.layer0.Layer0;
22 import org.simantics.ui.selection.AnyResource;
23 import org.simantics.ui.selection.AnyVariable;
24 import org.simantics.ui.selection.WorkbenchSelectionContentType;
26 public class ElementSelectionTools {
28 public static final class SelectionElement extends AdaptableHintContext {
29 public SelectionElement(Key[] keys) {
33 @SuppressWarnings("unchecked")
34 public <T> T getContent(WorkbenchSelectionContentType<T> contentType) {
35 Resource element = getHint(SelectionHints.KEY_MAIN);
36 if (contentType instanceof AnyResource) {
39 else if (contentType instanceof AnyVariable) {
41 return (T) Simantics.getSession().syncRequest(new ResourceRead<Variable>(element) {
42 public Variable perform(ReadGraph graph) throws DatabaseException {
43 return ElementSelector.getVariableForElement(graph, resource);
46 } catch (DatabaseException e) {
55 public static final class SelectionsRequest implements Read<Collection<ElementSelector>> {
57 public Collection<ElementSelector> perform(ReadGraph graph) throws DatabaseException {
58 Layer0 L0 = Layer0.getInstance(graph);
59 ElementSelectionResource ES = ElementSelectionResource.getInstance(graph);
61 Resource model = ActiveModels.getPossibleActiveModel(graph, Simantics.getProjectResource());
63 return Collections.emptyList();
66 List<Resource> libs = QueryIndexUtils.searchByType(graph, model, ES.SelectionLibrary);
68 return Collections.emptyList();
70 Resource lib = libs.get(0);
72 List<ElementSelector> result = new ArrayList<>();
73 for (Resource selection : graph.getObjects(lib, L0.ConsistsOf)) {
74 if (!graph.isInstanceOf(selection, ES.Selection))
77 result.add(ElementSelector.getSelector(graph, selection));