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.processors;
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14 import java.util.Collection;
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16 import org.simantics.browsing.ui.BuiltinKeys;
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17 import org.simantics.browsing.ui.NodeContext;
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18 import org.simantics.browsing.ui.NodeQueryManager;
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19 import org.simantics.browsing.ui.NodeContext.QueryKey;
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20 import org.simantics.browsing.ui.content.ComparableContext;
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21 import org.simantics.browsing.ui.content.ComparableContextFactory;
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22 import org.simantics.browsing.ui.content.PrunedChildrenResult;
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24 public class DefaultComparableChildrenProcessor extends AbstractNodeQueryProcessor<ComparableContext[]> {
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26 private ComparableContext[] build(NodeQueryManager manager, NodeContext context, ComparableContextFactory factory) {
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27 PrunedChildrenResult pruned = manager.query(context, BuiltinKeys.PRUNED_CHILDREN);
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28 NodeContext[] prunedChildren = pruned.getPrunedChildren();
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29 return factory.create(manager, context, prunedChildren);
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33 public ComparableContext[] query(NodeQueryManager manager, NodeContext context) {
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34 Collection<ComparableContextFactory> factories = manager.query(context, BuiltinKeys.COMPARABLE_FACTORIES);
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35 if(factories.isEmpty())
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38 // TODO: use SelectedComparatorFactory query instead of this "educated guess"
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39 ComparableContextFactory factory = factories.iterator().next();
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41 return build(manager, context, factory);
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45 public String toString() {
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46 return "ComparableProcessor";
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50 public QueryKey<ComparableContext[]> getIdentifier() {
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51 return BuiltinKeys.COMPARABLE_CHILDREN;
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