1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.browsing.ui.graph.impl;
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14 import java.util.ArrayList;
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15 import java.util.Collection;
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16 import java.util.List;
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17 import java.util.Set;
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19 import org.simantics.browsing.ui.common.modifiers.EnumeratedValue;
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20 import org.simantics.browsing.ui.common.modifiers.Enumeration;
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21 import org.simantics.browsing.ui.common.modifiers.EnumerationValue;
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22 import org.simantics.databoard.Bindings;
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23 import org.simantics.db.ReadGraph;
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24 import org.simantics.db.Resource;
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25 import org.simantics.db.common.request.ResourceRead;
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26 import org.simantics.db.common.utils.NameUtils;
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27 import org.simantics.db.exception.AdaptionException;
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28 import org.simantics.db.exception.DatabaseException;
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29 import org.simantics.layer0.Layer0;
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32 * @author Tuukka Lehtonen
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34 public class GetEnumerationValue extends ResourceRead<EnumerationValue<Resource>> {
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36 public GetEnumerationValue(Resource resource) {
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41 public EnumerationValue<Resource> perform(ReadGraph graph) throws DatabaseException {
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42 return enumerate(graph, resource);
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45 public static EnumerationValue<Resource> enumerate(ReadGraph graph, Resource resource) throws DatabaseException {
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46 Layer0 l0 = Layer0.getInstance(graph);
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47 Set<Resource> types = graph.getTypes(resource);
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49 // FIXME: this is a hack to make boolean values editable through a combo-box like other enumerations
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50 if (types.contains(l0.Boolean)) {
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51 List<EnumeratedValue<Resource>> values = new ArrayList<EnumeratedValue<Resource>>(2);
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52 values.add(new EnumeratedValue<Resource>(Boolean.FALSE.toString(), l0.False));
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53 values.add(new EnumeratedValue<Resource>(Boolean.TRUE.toString(), l0.True));
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54 Boolean currentValue = graph.getPossibleValue(resource, Bindings.BOOLEAN);
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55 Enumeration<Resource> enumeration = new Enumeration<Resource>(values);
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56 EnumeratedValue<Resource> current = Boolean.TRUE.equals(currentValue) ? values.get(1) : values.get(0);
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57 return new EnumerationValue<Resource>(enumeration, current);
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59 for (Resource type : types) {
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60 if (graph.hasStatement(type, l0.Enumeration, type)) {
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61 Collection<Resource> values = graph.getObjects(type, l0.ConsistsOf);
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62 List<EnumeratedValue<Resource>> result = new ArrayList<EnumeratedValue<Resource>>(values.size());
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63 for (Resource value : values) {
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64 result.add(new EnumeratedValue<Resource>(safeName(graph, value), value));
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66 Enumeration<Resource> enumeration = new Enumeration<Resource>(result);
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67 return new EnumerationValue<Resource>(enumeration, enumeration.find(resource));
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74 private static String safeName(ReadGraph graph, Resource value) throws DatabaseException {
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75 return graph.syncRequest(new NameRequest(value));
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78 public static class NameRequest extends ResourceRead<String> {
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79 public NameRequest(Resource resource) {
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83 public String perform(ReadGraph graph) throws DatabaseException {
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85 return graph.adapt(resource, String.class);
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86 } catch (AdaptionException e) {
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87 return NameUtils.getSafeName(graph, resource);
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