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.contributor;
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14 import java.util.Collection;
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15 import java.util.Collections;
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17 import org.simantics.browsing.ui.BuiltinKeys.ViewpointContributionKey;
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18 import org.simantics.browsing.ui.NodeContext;
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19 import org.simantics.browsing.ui.PrimitiveQueryUpdater;
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20 import org.simantics.browsing.ui.Tester;
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21 import org.simantics.browsing.ui.content.Contributor;
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22 import org.simantics.browsing.ui.content.ViewpointContribution;
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23 import org.simantics.browsing.ui.content.ViewpointContributionFactory;
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24 import org.simantics.utils.ReflectionUtils;
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27 * @author Antti Villberg
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29 * @param <T> the input type accepted by this contributor
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31 public abstract class AbstractViewpointContributionContributor<T> implements Contributor<ViewpointContributionFactory> {
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33 private final Class<?> clazz;
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35 public AbstractViewpointContributionContributor() {
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36 clazz = ReflectionUtils.getSingleParameterType(getClass());
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39 public AbstractViewpointContributionContributor(Class<?> clazz) {
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44 public Class<?> getInputClass() {
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49 public ViewpointContributionFactory getFactory() {
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51 return new ViewpointContributionFactory() {
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54 public ViewpointContribution create(final PrimitiveQueryUpdater updater,
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55 final NodeContext context, final ViewpointContributionKey key) {
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57 return new ViewpointContribution() {
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59 Collection<NodeContext> contribution = Collections.emptySet();
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62 public Collection<NodeContext> getContribution() {
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64 Collection<NodeContext> current = AbstractViewpointContributionContributor.this.getContribution(updater, context, key);
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66 for(NodeContext c : current) updater.incRef(c);
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67 for(NodeContext c : contribution) updater.decRef(c);
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68 contribution = current;
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75 public Class<?> getInputClass() {
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80 public Tester getNodeContextTester() {
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81 return AbstractViewpointContributionContributor.this.getNodeContextTester();
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89 public String getViewpointId() {
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90 return AbstractViewpointContributionContributor.this.getViewpointId();
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97 abstract public Collection<NodeContext> getContribution(PrimitiveQueryUpdater updater,
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98 NodeContext context, ViewpointContributionKey key);
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100 abstract public String getViewpointId();
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