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 * Foster Wheeler Energia Oy - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.interop.test;
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14 import java.io.IOException;
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15 import java.util.HashMap;
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16 import java.util.Map;
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18 import org.eclipse.jface.layout.GridDataFactory;
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19 import org.eclipse.swt.SWT;
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20 import org.eclipse.swt.dnd.DND;
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21 import org.eclipse.swt.dnd.DropTarget;
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22 import org.eclipse.swt.dnd.DropTargetAdapter;
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23 import org.eclipse.swt.dnd.DropTargetEvent;
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24 import org.eclipse.swt.dnd.TextTransfer;
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25 import org.eclipse.swt.dnd.Transfer;
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26 import org.eclipse.swt.events.SelectionAdapter;
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27 import org.eclipse.swt.events.SelectionEvent;
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28 import org.eclipse.swt.layout.GridData;
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29 import org.eclipse.swt.layout.GridLayout;
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30 import org.eclipse.swt.widgets.Button;
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31 import org.eclipse.swt.widgets.Composite;
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32 import org.eclipse.swt.widgets.Display;
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33 import org.eclipse.swt.widgets.Label;
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34 import org.eclipse.swt.widgets.Text;
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35 import org.eclipse.ui.part.ViewPart;
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36 import org.simantics.db.ReadGraph;
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37 import org.simantics.db.Resource;
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38 import org.simantics.db.Session;
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39 import org.simantics.db.Statement;
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40 import org.simantics.db.common.ResourceArray;
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41 import org.simantics.db.common.request.ReadRequest;
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42 import org.simantics.db.common.utils.NameUtils;
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43 import org.simantics.db.exception.DatabaseException;
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44 import org.simantics.db.exception.InvalidResourceReferenceException;
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45 import org.simantics.db.exception.ServiceException;
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46 import org.simantics.db.exception.ValidationException;
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47 import org.simantics.db.request.Read;
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48 import org.simantics.db.service.SerialisationSupport;
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49 import org.simantics.layer0.Layer0;
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50 import org.simantics.ui.SimanticsUI;
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51 import org.simantics.ui.dnd.LocalObjectTransfer;
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52 import org.simantics.ui.dnd.ResourceReferenceTransfer;
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53 import org.simantics.ui.dnd.ResourceTransferUtils;
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54 import org.simantics.ui.utils.ResourceAdaptionUtils;
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55 import org.simantics.utils.datastructures.BijectionMap;
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56 import org.simantics.utils.datastructures.Pair;
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59 * Simple multi line text viewer for seeing differences in two subgraphs.
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61 * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
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64 public class GraphComparatorViewer extends ViewPart{
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66 private Session session;
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68 private Composite composite;
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70 private Label resourceText1;
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71 private Label resourceText2;
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79 public void createPartControl(Composite parent) {
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80 composite = new Composite(parent, SWT.NONE);
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81 composite.setLayout(new GridLayout(2, false));
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83 session = SimanticsUI.getSession();
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85 Composite topComposite = new Composite(composite, SWT.BORDER);
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86 topComposite.setLayout(new GridLayout(3, false));
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87 text1 = new Text(composite, SWT.MULTI|SWT.V_SCROLL);
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88 text2 = new Text(composite, SWT.MULTI|SWT.V_SCROLL);
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90 GridDataFactory.fillDefaults().align(SWT.FILL, SWT.TOP).grab(true, false).span(2, 1).applyTo(topComposite);
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91 GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(text1);
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92 GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(text2);
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94 resourceText1 = createDropLabel(topComposite);
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95 resourceText2 = createDropLabel(topComposite);
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97 Button button = new Button(topComposite, SWT.PUSH);
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98 button.setText("Compare");
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99 button.addSelectionListener(new SelectionAdapter() {
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101 public void widgetSelected(SelectionEvent e) {
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110 private void compare() {
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113 final Resource r1 = (Resource)resourceText1.getData();
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114 final Resource r2 = (Resource)resourceText2.getData();
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115 if (r1 == null || r2 == null) {
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117 text1.setText("Missing input!");
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119 text2.setText("Missing input!");
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123 session.asyncRequest(new ReadRequest() {
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126 public void run(final ReadGraph graph) throws DatabaseException {
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127 GraphComparator comparator = new GraphComparator(r1,r2);
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128 comparator.clearRels();
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129 Layer0 l0 = Layer0.getInstance(graph);
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130 comparator.addTraversed(l0.ConsistsOf);
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131 comparator.addTraversed(l0.HasNext);
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132 comparator.addTested(l0.IsWeaklyRelatedTo);
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133 comparator.test(graph);
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134 BijectionMap<Statement, Statement> map = comparator.getComparableStatements();
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135 Map<Statement, Integer> indices = new HashMap<Statement, Integer>();
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136 final StringBuilder sb1 = new StringBuilder();
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137 final StringBuilder sb2 = new StringBuilder();
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140 GraphChanges changes = comparator.getChanges();
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142 for (Pair<Statement,Statement> mod : changes.getModifications()) {
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146 Statement s = mod.first;
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147 sub = NameUtils.getSafeName(graph, s.getSubject());
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148 String pre = NameUtils.getSafeName(graph, s.getPredicate());
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149 String obj = NameUtils.getSafeName(graph, s.getObject());
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150 if (map.containsLeft(s)) {
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152 indices.put(s, index);
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153 sb1.append("["+index + "] ");
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155 sb1.append(sub + " - " + pre + " - " + obj);
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156 sb1.append(" ["+s.getSubject().getResourceId() + " " + s.getPredicate().getResourceId() + " " + s.getObject().getResourceId()+"]");
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158 } catch (ValidationException e) {
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159 e.printStackTrace();
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160 } catch (ServiceException e) {
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161 e.printStackTrace();
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167 Statement s = mod.second;
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168 sub = NameUtils.getSafeName(graph, s.getSubject());
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169 String pre = NameUtils.getSafeName(graph, s.getPredicate());
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170 String obj = NameUtils.getSafeName(graph, s.getObject());
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171 if (map.containsRight(s)) {
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172 index = indices.get(map.getLeft(s));
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173 sb2.append("["+index + "] ");
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175 sb2.append(sub + " - " + pre + " - " + obj);
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176 sb2.append(" ["+s.getSubject().getResourceId() + " " + s.getPredicate().getResourceId() + " " + s.getObject().getResourceId()+"]");
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178 } catch (ValidationException e) {
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179 e.printStackTrace();
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180 } catch (ServiceException e) {
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181 e.printStackTrace();
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185 for (Statement s : changes.getDeletions()) {
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189 sub = NameUtils.getSafeName(graph, s.getSubject());
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190 String pre = NameUtils.getSafeName(graph, s.getPredicate());
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191 String obj = NameUtils.getSafeName(graph, s.getObject());
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192 if (map.containsLeft(s)) {
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194 indices.put(s, index);
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195 sb1.append("["+index + "] ");
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197 sb1.append(sub + " - " + pre + " - " + obj);
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198 sb1.append(" ["+s.getSubject().getResourceId() + " " + s.getPredicate().getResourceId() + " " + s.getObject().getResourceId()+"]");
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200 } catch (ValidationException e) {
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201 e.printStackTrace();
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202 } catch (ServiceException e) {
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203 e.printStackTrace();
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208 for (Statement s : changes.getAdditions()) {
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211 sub = NameUtils.getSafeName(graph, s.getSubject());
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212 String pre = NameUtils.getSafeName(graph, s.getPredicate());
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213 String obj = NameUtils.getSafeName(graph, s.getObject());
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214 if (map.containsRight(s)) {
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215 index = indices.get(map.getLeft(s));
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216 sb2.append("["+index + "] ");
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218 sb2.append(sub + " - " + pre + " - " + obj);
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219 sb2.append(" ["+s.getSubject().getResourceId() + " " + s.getPredicate().getResourceId() + " " + s.getObject().getResourceId()+"]");
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221 } catch (ValidationException e) {
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222 e.printStackTrace();
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223 } catch (ServiceException e) {
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224 e.printStackTrace();
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228 Display.getDefault().asyncExec(new Runnable() {
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230 public void run() {
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231 text1.setText(sb1.toString());
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232 text2.setText(sb2.toString());
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241 public void setFocus() {
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242 composite.setFocus();
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246 public void dispose() {
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252 // copy-paste from GraphDebugger
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253 public Label createDropLabel(Composite parent) {
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254 final Label label = new Label(parent, SWT.BORDER);
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255 label.setAlignment(SWT.CENTER);
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256 label.setText("Drag a resource here to examine it in this debugger!");
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257 label.setForeground(parent.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY));
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258 GridData data = new GridData(SWT.FILL, SWT.TOP, true, false);
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259 data.heightHint = 16;
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260 label.setLayoutData(data);
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262 // Add resource id drop support to the drop-area.
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263 DropTarget dropTarget = new DropTarget(label, DND.DROP_LINK | DND.DROP_COPY);
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264 dropTarget.setTransfer(new Transfer[] { TextTransfer.getInstance(), ResourceReferenceTransfer.getInstance(), LocalObjectTransfer.getTransfer() });
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265 dropTarget.addDropListener(new DropTargetAdapter() {
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267 public void dragEnter(DropTargetEvent event) {
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268 event.detail = DND.DROP_LINK;
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269 //label.setBackground(green);
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273 public void dragLeave(DropTargetEvent event) {
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274 label.setBackground(null);
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278 public void drop(DropTargetEvent event) {
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279 label.setBackground(null);
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280 ResourceArray[] data = parseEventData(event);
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281 if (data == null || data.length != 1) {
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282 event.detail = DND.DROP_NONE;
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285 final ResourceArray array = data[0];
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286 final Resource r = array.resources[array.resources.length - 1];
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290 label.setText(session.syncRequest(new Read<String>() {
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292 public String perform(ReadGraph graph)
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293 throws DatabaseException {
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294 return NameUtils.getSafeName(graph, r);
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297 } catch (DatabaseException e) {
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298 e.printStackTrace();
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302 private ResourceArray[] parseEventData(DropTargetEvent event) {
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303 //System.out.println("DATA: " + event.data);
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304 if (event.data instanceof String) {
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306 SerialisationSupport support = session.getService(SerialisationSupport.class);
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307 return ResourceTransferUtils.readStringTransferable(support.getResourceSerializer(), (String) event.data).toResourceArrayArray();
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308 } catch (IllegalArgumentException e) {
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309 e.printStackTrace();
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310 } catch (IOException e) {
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311 e.printStackTrace();
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312 } catch (InvalidResourceReferenceException e) {
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313 e.printStackTrace();
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316 ResourceArray[] ret = ResourceAdaptionUtils.toResourceArrays(event.data);
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317 if (ret.length > 0)
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