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.common.comparators;
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14 import org.simantics.browsing.ui.BuiltinKeys;
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15 import org.simantics.browsing.ui.NodeContext;
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16 import org.simantics.browsing.ui.NodeQueryManager;
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17 import org.simantics.browsing.ui.content.ComparableContext;
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18 import org.simantics.browsing.ui.content.ComparableContextFactory;
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19 import org.simantics.browsing.ui.content.Labeler;
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21 public class LexicalComparatorFactory implements ComparableContextFactory {
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23 private final String column;
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24 private final String label;
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26 public LexicalComparatorFactory(String column) {
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27 this.column = column;
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31 public LexicalComparatorFactory(String column, String label) {
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32 this.column = column;
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37 public ComparableContext[] create(NodeQueryManager manager, NodeContext parent, NodeContext[] children) {
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38 ComparableContext[] result = new ComparableContext[children.length];
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39 for (int i = 0; i < children.length; i++) {
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40 NodeContext child = children[i];
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41 Labeler labeler = manager.query(child, BuiltinKeys.SELECTED_LABELER);
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43 int category = (labeler != null) ? labeler.getCategory() : 0;
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44 String label = (labeler != null) ? labeler.getLabels().get(column) : "";
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48 result[i] = new ImmutableLexicalComparable(category, label, child) {
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50 public int compareTo(ComparableContext arg0) {
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51 ImmutableLexicalComparable other = (ImmutableLexicalComparable) arg0;
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53 int catDelta = getCategory() - other.getCategory();
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57 String label1 = getLabel();
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58 String label2 = other.getLabel();
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60 return label1.compareToIgnoreCase(label2);
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69 public String toString() {
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70 return label != null ? label : "Alphabetical";
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