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.swt;
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14 import java.util.Collection;
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15 import java.util.Collections;
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16 import java.util.HashMap;
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18 import org.eclipse.core.runtime.IAdaptable;
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19 import org.eclipse.jface.resource.ImageDescriptor;
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20 import org.eclipse.swt.graphics.Image;
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21 import org.simantics.browsing.ui.BuiltinKeys;
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22 import org.simantics.browsing.ui.BuiltinKeys.ImagerKey;
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23 import org.simantics.browsing.ui.DataSource;
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24 import org.simantics.browsing.ui.NodeContext;
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25 import org.simantics.browsing.ui.PrimitiveQueryUpdater;
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26 import org.simantics.browsing.ui.common.EvaluatorData.Transformer;
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27 import org.simantics.browsing.ui.common.imagers.ContainerImager;
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28 import org.simantics.browsing.ui.content.Imager;
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29 import org.simantics.browsing.ui.content.ImagerFactory;
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30 import org.simantics.browsing.ui.graph.impl.MissingImageDescriptor;
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31 import org.simantics.db.ReadGraph;
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32 import org.simantics.db.Resource;
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33 import org.simantics.db.exception.DatabaseException;
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34 import org.simantics.ui.icons.ImageDescriptorProvider;
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35 import org.simantics.utils.datastructures.cache.ProvisionException;
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36 import org.simantics.utils.ui.ErrorLogger;
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39 * @author Antti Villberg
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41 public class AdapterImagerFactory implements ImagerFactory {
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43 final private Transformer transformer;
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44 final private HashMap<String, Image> constants;
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45 final private String resourceColumn;
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47 public AdapterImagerFactory() {
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51 public AdapterImagerFactory(Transformer transformer) {
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52 this(transformer, null, new HashMap<String, Image>(4));
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55 public AdapterImagerFactory(Transformer transformer, String resourceColumn, HashMap<String, Image> constants) {
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56 this.transformer = transformer;
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57 this.constants = constants;
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58 this.resourceColumn = resourceColumn;
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61 private Resource getInputResource(final NodeContext context) {
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62 Object input = context.getConstant(BuiltinKeys.INPUT);
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63 if (transformer != null) {
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64 input = transformer.transform(input);
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67 if (input instanceof Resource)
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68 return (Resource) context.getConstant(BuiltinKeys.INPUT);
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69 else if (input instanceof IAdaptable)
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70 return (Resource) (((IAdaptable) input).getAdapter(Resource.class));
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75 @SuppressWarnings("unchecked")
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77 public Imager create(final PrimitiveQueryUpdater updater, final NodeContext context, final ImagerKey key) {
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78 @SuppressWarnings("rawtypes")
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79 final ContainerImager result = new ContainerImager((HashMap<String, Image>) constants.clone());
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80 result.setImage(resourceColumn, MissingImageDescriptor.getInstance());
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82 final DataSource<ReadGraph> source = updater.getDataSource(ReadGraph.class);
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83 final Resource inputResource = getInputResource(context);
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85 source.schedule(graph -> {
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86 ImageDescriptor image = null;
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87 Collection<Resource> types = Collections.emptyList();
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89 types = graph.getPrincipalTypes(inputResource);
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90 // System.out.println("AdapterImagerFactory " + source.adapt(inputResource, String.class));
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91 // for(Resource r : types) {
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92 // System.out.println("-" + source.adapt(r, String.class));
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94 } catch (DatabaseException e1) {
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95 ErrorLogger.defaultLogError(e1);
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97 for (Resource type : types) {
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99 ImageDescriptorProvider provider = graph.getPossibleAdapter(type, ImageDescriptorProvider.class);
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100 if (provider != null) {
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102 ImageDescriptor descriptor = provider.get();
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103 if (descriptor != null)
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104 image = descriptor;
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105 //System.out.println("*" + image);
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106 } catch (ProvisionException pe) {
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107 ErrorLogger.defaultLogError(pe);
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111 } catch (DatabaseException e) {
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112 ErrorLogger.defaultLogError(e);
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116 result.setImage(resourceColumn, image);
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117 updater.scheduleReplace(context, key, result);
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