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.Viewpoint;
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21 import org.simantics.browsing.ui.content.ViewpointFactory;
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23 public class DefaultSelectedViewpointProcessor extends AbstractNodeQueryProcessor<Viewpoint> {
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26 public QueryKey<Viewpoint> getIdentifier() {
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27 return BuiltinKeys.SELECTED_VIEWPOINT;
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31 public Viewpoint query(NodeQueryManager manager, NodeContext context) {
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32 Collection<ViewpointFactory> factories = manager.query(context, BuiltinKeys.VIEWPOINT_FACTORIES);
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33 if (factories.isEmpty())
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36 ViewpointFactory selectedFactory = manager.query(context, new BuiltinKeys.SelectedViewpointFactoryKey(factories));
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37 if (selectedFactory == null)
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40 return manager.query(context, new BuiltinKeys.ViewpointKey(selectedFactory));
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44 public String toString() {
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45 return "SelectedViewpointProcessor";
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