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));
76 ArrayList<Resource> transforms = new ArrayList<>();
77 transforms.addAll(transformationFinder.find(graph, index));
78 if(DebugPolicy.DEBUG) {
79 for(Resource r : transforms)
80 LOGGER.debug("-transform " + NameUtils.getSafeLabel(graph, r));
83 HashSet<Object> inputs = new HashSet<>();
84 HashSet<Object> newInputs = new HashSet<>();
85 inputs.add(selection);
86 boolean changed = true;
88 for(Resource tr : transforms) {
89 for(Object input : inputs) {
91 Object newInput = Functions.exec(graph, tr, graph, input);
93 newInputs.add(newInput);
94 } catch (DatabaseException e) {
98 changed = inputs.addAll(newInputs);
102 if(DebugPolicy.DEBUG) {
103 for(Object o : inputs)
104 LOGGER.debug("-input " + inputName(graph, o));
107 Set<ComparableTabContributor> result = new HashSet<>();
108 for(TabContribution c : contributions) {
109 for(Object input : inputs) {
111 if(DebugPolicy.DEBUG) {
112 LOGGER.debug("contribution: " + c);
113 LOGGER.debug("->input: " + input);
114 LOGGER.debug("->input name: " + inputName(graph, input));
116 if (c.accept(graph, input))
117 c.contribute(graph, input, result);
118 } catch (Exception e) {
119 LOGGER.error("Selection view tab contribution failed for contribution " + c, e);
124 for(Resource r : selectionProcessorFinder.find(graph, index)) {
125 if (DebugPolicy.DEBUG)
126 LOGGER.debug("-SelectionProcessor contribution " + graph.getURI(r));
127 @SuppressWarnings("unchecked")
128 SelectionProcessor<Object, ReadGraph> processor = graph.adapt(r, SelectionProcessor.class);
129 Collection<?> contribs = processor.process(selection, graph);
130 if (contribs != null && !contribs.isEmpty()) {
131 for (Object contrib : contribs) {
132 if (contrib instanceof ComparableTabContributor) {
133 result.add((ComparableTabContributor) contrib);
139 if(DebugPolicy.DEBUG) {
140 LOGGER.debug("result: " + result);
147 } catch (DatabaseException e) {
148 LOGGER.error("Selection view tab contribution failed unexpectedly.", e);
151 return Collections.emptyList();
154 private static String inputName(ReadGraph graph, Object o) throws DatabaseException {
155 if(o instanceof Resource) {
156 return "Resource: " + NameUtils.getURIOrSafeNameInternal(graph, (Resource)o);
157 } else if(o instanceof Variable) {
158 return "Variable: " + ((Variable)o).getURI(graph) + " " + NameUtils.getSafeLabel(graph, (Resource)((Variable)o).getPossiblePropertyValue(graph, Variables.TYPE));
159 } else if(o instanceof SelectionInput) {
160 return "SelectionInput: " + o.toString();
162 return "Object(" + o.getClass().getSimpleName() + "): " + o.toString();