1 package org.simantics.selectionview;
3 import java.util.ArrayList;
4 import java.util.Collection;
5 import java.util.Collections;
6 import java.util.HashSet;
9 import org.simantics.db.ReadGraph;
10 import org.simantics.db.Resource;
11 import org.simantics.db.common.request.PossibleIndexRoot;
12 import org.simantics.db.common.utils.Functions;
13 import org.simantics.db.common.utils.NameUtils;
14 import org.simantics.db.exception.DatabaseException;
15 import org.simantics.db.layer0.SelectionHints;
16 import org.simantics.db.layer0.adapter.Instances;
17 import org.simantics.db.layer0.request.VariableIndexRoot;
18 import org.simantics.db.layer0.variable.Variable;
19 import org.simantics.db.layer0.variable.Variables;
20 import org.simantics.layer0.Layer0;
21 import org.simantics.ui.selection.WorkbenchSelectionUtils;
22 import org.simantics.utils.ui.ISelectionUtils;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
26 public class StandardSelectionProcessor implements SelectionProcessor<Object, ReadGraph> {
27 private static final Logger LOGGER = LoggerFactory.getLogger(StandardSelectionProcessor.class);
29 private static Resource getIndexRoot(ReadGraph graph, Object selection) throws DatabaseException {
31 Variable variable = WorkbenchSelectionUtils.getPossibleVariable(graph, selection);
32 if (variable != null) {
33 return graph.sync(new VariableIndexRoot(variable));
36 variable = ISelectionUtils.filterSingleSelection(selection, Variable.class);
37 if (variable != null) {
38 return graph.sync(new VariableIndexRoot(variable));
41 Resource indexRoot = ISelectionUtils.getSinglePossibleKey(selection, SelectionHints.KEY_MODEL, Resource.class, false);
42 if (indexRoot == null) {
43 Resource r = ISelectionUtils.getSinglePossibleKey(selection, SelectionHints.KEY_MAIN, Resource.class);
45 indexRoot = graph.sync(new PossibleIndexRoot(r));
48 return indexRoot != null && graph.isInstanceOf(indexRoot, Layer0.getInstance(graph).IndexRoot) ? indexRoot : null;
52 public Collection<?> process(Object selection, ReadGraph graph) {
53 return processStatic(selection, graph);
56 public static Collection<?> processStatic(Object selection, ReadGraph graph) {
60 SelectionViewResources SEL = SelectionViewResources.getInstance(graph);
61 Instances selectionProcessorFinder = graph.adapt(SEL.SelectionProcessorContribution, Instances.class);
62 Instances contributionFinder = graph.adapt(SEL.TabContribution, Instances.class);
63 Instances transformationFinder = graph.adapt(SEL.SelectionTransformation, Instances.class);
65 ArrayList<TabContribution<?>> contributions = new ArrayList<>();
67 Resource index = getIndexRoot(graph, selection);
70 for(Resource r : contributionFinder.find(graph, index)) {
71 TabContribution<?> contribution = graph.adapt(r, TabContribution.class);
72 contributions.add(contribution);
73 if(DebugPolicy.DEBUG) LOGGER.debug("-contribution " + graph.getURI(r));
74 System.err.println("-contribution " + graph.getURI(r));
77 ArrayList<Resource> transforms = new ArrayList<>();
78 transforms.addAll(transformationFinder.find(graph, index));
79 if(DebugPolicy.DEBUG) {
80 for(Resource r : transforms) {
81 LOGGER.debug("-transform " + NameUtils.getSafeLabel(graph, r));
82 System.err.println("-transform " + NameUtils.getSafeLabel(graph, r));
86 HashSet<Object> inputs = new HashSet<>();
87 HashSet<Object> newInputs = new HashSet<>();
88 inputs.add(selection);
89 boolean changed = true;
91 for(Resource tr : transforms) {
92 for(Object input : inputs) {
94 Object newInput = Functions.exec(graph, tr, graph, input);
96 newInputs.add(newInput);
97 } catch (DatabaseException e) {
101 changed = inputs.addAll(newInputs);
105 if(DebugPolicy.DEBUG) {
106 for(Object o : inputs) {
107 LOGGER.debug("-input " + inputName(graph, o));
108 System.err.println("-input " + inputName(graph, o));
112 Set<ComparableTabContributor> result = new HashSet<>();
113 for(TabContribution c : contributions) {
114 for(Object input : inputs) {
116 if(DebugPolicy.DEBUG) {
117 LOGGER.debug("contribution: " + c);
118 LOGGER.debug("->input: " + input);
119 LOGGER.debug("->input name: " + inputName(graph, input));
121 if (c.accept(graph, input))
122 c.contribute(graph, input, result);
123 } catch (Exception e) {
124 LOGGER.error("Selection view tab contribution failed for contribution " + c, e);
129 for(Resource r : selectionProcessorFinder.find(graph, index)) {
130 if (DebugPolicy.DEBUG)
131 LOGGER.debug("-SelectionProcessor contribution " + graph.getURI(r));
132 @SuppressWarnings("unchecked")
133 SelectionProcessor<Object, ReadGraph> processor = graph.adapt(r, SelectionProcessor.class);
134 Collection<?> contribs = processor.process(selection, graph);
135 if (contribs != null && !contribs.isEmpty()) {
136 for (Object contrib : contribs) {
137 if (contrib instanceof ComparableTabContributor) {
138 result.add((ComparableTabContributor) contrib);
144 if(DebugPolicy.DEBUG) {
145 LOGGER.debug("result: " + result);
146 System.err.println("result: " + result);
153 } catch (DatabaseException e) {
154 LOGGER.error("Selection view tab contribution failed unexpectedly.", e);
157 return Collections.emptyList();
160 private static String inputName(ReadGraph graph, Object o) throws DatabaseException {
161 if(o instanceof Resource) {
162 return "Resource: " + NameUtils.getURIOrSafeNameInternal(graph, (Resource)o);
163 } else if(o instanceof Variable) {
164 return "Variable: " + ((Variable)o).getURI(graph) + " " + NameUtils.getSafeLabel(graph, (Resource)((Variable)o).getPossiblePropertyValue(graph, Variables.TYPE));
165 } else if(o instanceof SelectionInput) {
166 return "SelectionInput: " + o.toString();
168 return "Object(" + o.getClass().getSimpleName() + "): " + o.toString();