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.Collections;
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15 import java.util.Map;
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17 import org.simantics.Simantics;
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18 import org.simantics.browsing.ui.BuiltinKeys;
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19 import org.simantics.browsing.ui.BuiltinKeys.LabelerKey;
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20 import org.simantics.browsing.ui.GraphExplorer.ModificationContext;
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21 import org.simantics.browsing.ui.NodeContext;
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22 import org.simantics.browsing.ui.PrimitiveQueryUpdater;
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23 import org.simantics.browsing.ui.common.ColumnKeys;
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24 import org.simantics.browsing.ui.content.Labeler;
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25 import org.simantics.browsing.ui.content.LabelerFactory;
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26 import org.simantics.db.ReadGraph;
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27 import org.simantics.db.Resource;
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28 import org.simantics.db.WriteGraph;
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29 import org.simantics.db.exception.DatabaseException;
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30 import org.simantics.db.management.ISessionContext;
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32 public class StringRepresentationLabelerFactory implements LabelerFactory {
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34 String column = ColumnKeys.SINGLE;
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36 //static int counter = 0;
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38 public StringRepresentationLabelerFactory() {
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41 public StringRepresentationLabelerFactory(String column) {
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42 this.column = column;
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46 public Labeler create(PrimitiveQueryUpdater updater, final NodeContext context, LabelerKey key) {
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47 assert(updater != null);
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48 assert(context != null);
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50 return new LazyGraphLabeler(updater, context, key) {
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52 public Map<String, String> labels(ReadGraph graph) throws DatabaseException {
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53 // if((counter++ % 5000) == 0) System.out.println("L" + counter);
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54 final Resource r = (Resource) context.getConstant(BuiltinKeys.INPUT);
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55 String representation = LabelerUtil.safeStringRepresentation(graph, r);
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56 return Collections.singletonMap(column, representation);
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59 public Modifier getModifier(ModificationContext modificationContext, String key) {
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60 ISessionContext session = Simantics.getSessionContext();
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61 if (session == null)
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64 if (column.equals(key)) {
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65 return new GraphStringModifier(context, session.getSession()) {
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67 public void doModify(WriteGraph graph, String label) throws DatabaseException {
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68 getModifier().modify(graph, label);
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71 public String createModifierInput(String fromLabel) {
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