1 /*******************************************************************************
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2 * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
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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.charts.ui;
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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.Collections;
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17 import java.util.HashSet;
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18 import java.util.List;
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19 import java.util.Set;
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21 import org.simantics.Simantics;
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22 import org.simantics.charts.ontology.ChartResource;
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23 import org.simantics.databoard.util.ObjectUtils;
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24 import org.simantics.db.ReadGraph;
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25 import org.simantics.db.Resource;
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26 import org.simantics.db.WriteGraph;
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27 import org.simantics.db.common.CommentMetadata;
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28 import org.simantics.db.common.request.WriteRequest;
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29 import org.simantics.db.common.request.WriteResultRequest;
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30 import org.simantics.db.common.utils.NameUtils;
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31 import org.simantics.db.exception.DatabaseException;
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32 import org.simantics.db.layer0.SelectionHints;
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33 import org.simantics.db.layer0.adapter.DropActionFactory;
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34 import org.simantics.db.layer0.adapter.impl.DefaultPasteImportAdvisor;
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35 import org.simantics.db.layer0.request.PossibleModel;
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36 import org.simantics.db.layer0.util.ClipboardUtils;
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37 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
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38 import org.simantics.db.layer0.util.SimanticsKeys;
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39 import org.simantics.graph.db.TransferableGraphs;
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40 import org.simantics.graph.representation.TransferableGraph1;
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41 import org.simantics.layer0.Layer0;
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42 import org.simantics.utils.datastructures.Callback;
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43 import org.simantics.utils.ui.ErrorLogger;
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44 import org.simantics.utils.ui.ISelectionUtils;
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45 import org.simantics.utils.ui.dialogs.ShowError;
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48 * @author Tuukka Lehtonen
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50 public class ChartGroupDropActionFactory implements DropActionFactory {
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53 public Runnable create(ReadGraph graph, Object target, Object source, int operation) throws DatabaseException {
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54 final Resource chartGroup = ISelectionUtils.getSinglePossibleKey(target, SelectionHints.KEY_MAIN,
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56 if (chartGroup == null)
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58 Resource targetModel = graph.syncRequest(new PossibleModel(chartGroup));
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59 if (targetModel == null)
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62 List<Resource> srcs = ISelectionUtils.getPossibleKeys(source, SelectionHints.KEY_MAIN, Resource.class);
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63 Layer0 L0 = Layer0.getInstance(graph);
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64 ChartResource CHART = ChartResource.getInstance(graph);
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65 Set<Resource> chartsToMove= new HashSet<Resource>();
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66 for (Resource res : srcs) {
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67 if (graph.isInstanceOf(res, CHART.Chart)) {
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68 Resource model = graph.syncRequest(new PossibleModel(res));
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69 if (ObjectUtils.objectEquals(targetModel, model)) {
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70 Resource partOf = graph.getPossibleObject(res, L0.PartOf);
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71 if (!ObjectUtils.objectEquals(chartGroup, partOf)) {
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72 chartsToMove.add(res);
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77 if (!chartsToMove.isEmpty()) {
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78 String error = validateDrop(graph, chartGroup, chartsToMove);
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79 if (error != null) {
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80 ShowError.showError("Chart Drop Failed", error, (Exception) null);
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83 // TODO: support for move & copy
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84 return moveCharts(chartGroup, chartsToMove);
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90 public static String validateDrop(ReadGraph graph, Resource chartGroup, Set<Resource> chartsToMove) throws DatabaseException {
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91 StringBuilder sb = new StringBuilder();
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92 String targetName = NameUtils.getSafeName(graph, chartGroup);
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93 Layer0 L0 = Layer0.getInstance(graph);
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94 // Verify that target doesn't contain charts names as in chartsToMove
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95 Set<String> sourceNames = new HashSet<String>();
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96 for (Resource chart : chartsToMove) {
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97 String chartName = NameUtils.getSafeName(graph, chart);
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98 if (!sourceNames.add(chartName)) {
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99 sb.append("Multiple charts with same '" + chartName + "' cannot be moved into the same chart group.\n");
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102 Set<String> reservedNames = NameUtils.findReservedNames(graph, "", chartGroup, L0.ConsistsOf);
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103 for (String sourceName : sourceNames) {
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104 if (reservedNames.contains(sourceName)) {
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105 sb.append("Name '" + sourceName + "' already in use in target '" + targetName + "'.\n");
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109 return (sb.length() == 0) ? null : sb.toString();
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112 public static Runnable moveCharts(final Resource chartGroup, final Set<Resource> chartsToMove) {
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113 return new Runnable() {
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115 public void run() {
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116 Simantics.getSession().asyncRequest(new WriteRequest() {
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119 public void perform(WriteGraph graph)
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120 throws DatabaseException {
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121 graph.syncRequest(moveChartsRequest(chartGroup, chartsToMove));
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123 }, new Callback<DatabaseException>() {
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125 public void run(DatabaseException e) {
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127 ErrorLogger.defaultLogError(e);
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134 public static MoveCharts moveChartsRequest(Resource chartGroup, Set<Resource> chartsToMove) {
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135 return new MoveCharts(chartGroup, chartsToMove);
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138 public static class MoveCharts extends WriteResultRequest<Collection<Resource>> {
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139 private Resource chartGroup;
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140 private Set<Resource> chartsToMove;
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142 public MoveCharts(Resource chartGroup, Set<Resource> chartsToMove) {
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143 this.chartGroup = chartGroup;
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144 this.chartsToMove = chartsToMove;
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147 public Collection<Resource> perform(WriteGraph graph) throws DatabaseException {
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148 if (chartsToMove.isEmpty())
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149 return Collections.emptyList();
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150 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
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151 String targetName = NameUtils.getSafeName(graph, chartGroup);
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152 Layer0 L0 = Layer0.getInstance(graph);
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153 List<Resource> result = new ArrayList<Resource>();
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154 for (Resource chart : chartsToMove) {
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155 graph.deny(chart, L0.PartOf);
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156 graph.claim(chartGroup, L0.ConsistsOf, chart);
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157 cm.add("Moved chart '" + NameUtils.getSafeLabel(graph, chart) + "' to chart group '" + targetName + "'");
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160 graph.addMetadata(cm);
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165 public static CopyCharts copyChartsRequest(Resource chartGroup, Set<Set<Representation>> sources) {
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166 return new CopyCharts(chartGroup, sources);
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169 public static class CopyCharts extends WriteResultRequest<Collection<Resource>> {
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170 private Resource chartGroup;
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171 private Set<Set<Representation>> sources;
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173 public CopyCharts(Resource chartGroup, Set<Set<Representation>> sources) {
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174 this.chartGroup = chartGroup;
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175 this.sources = sources;
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178 public Collection<Resource> perform(WriteGraph graph) throws DatabaseException {
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179 if (sources.isEmpty())
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180 return Collections.emptyList();
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181 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
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182 String targetName = NameUtils.getSafeName(graph, chartGroup);
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183 List<Resource> result = new ArrayList<Resource>();
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184 for (Set<Representation> r : sources) {
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185 Collection<Resource> srcs = ClipboardUtils.accept(graph, r, SimanticsKeys.KEY_COPY_RESOURCES);
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186 for(Resource src : srcs) {
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187 TransferableGraph1 tg = ClipboardUtils.accept(graph, r, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
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188 DefaultPasteImportAdvisor advisor = new DefaultPasteImportAdvisor(chartGroup);
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189 TransferableGraphs.importGraph1(graph, tg, advisor);
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190 cm.add("Copied chart '" + NameUtils.getSafeLabel(graph, src) + "' to chart group '" + targetName + "'");
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191 result.addAll(advisor.getRoots());
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194 graph.addMetadata(cm);
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