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.g2d.participant;
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14 import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;
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15 import org.simantics.g2d.canvas.impl.HintReflection.HintListener;
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16 import org.simantics.g2d.scenegraph.SceneGraphConstants;
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17 import org.simantics.scenegraph.INode;
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18 import org.simantics.scenegraph.g2d.G2DSceneGraph;
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19 import org.simantics.scenegraph.g2d.nodes.NavigationNode;
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20 import org.simantics.scenegraph.utils.Quality;
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21 import org.simantics.utils.datastructures.hints.IHintContext.Key;
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22 import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
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23 import org.simantics.utils.datastructures.hints.IHintObservable;
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26 * Rendering quality interactor controls dynamic/static rendering quality of
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27 * the canvas context's scene graph through {@link NavigationNode}.
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29 * @author Tuukka Lehtonen
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31 public class RenderingQualityInteractor extends AbstractCanvasParticipant {
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34 * Interpreted to be true if value is TRUE or not defined, false otherwise.
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36 public static final Key KEY_QUALITY_INTERACTOR_ENABLED = new KeyOf(Boolean.class);
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41 public static final Key KEY_STATIC_QUALITY = new KeyOf(Quality.class);
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43 public RenderingQualityInteractor() {
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47 public Quality setStaticQuality(Quality staticQuality) {
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48 Quality old = getHint(KEY_STATIC_QUALITY);
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49 if (staticQuality != null)
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50 setHint(KEY_STATIC_QUALITY, staticQuality);
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52 removeHint(KEY_STATIC_QUALITY);
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56 private void setStaticQuality0(Quality staticQuality) {
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59 NavigationNode nav = getNavigationNode();
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62 //System.out.println("static rendering quality: " + staticQuality);
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63 nav.setStaticQualityMode(staticQuality);
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64 nav.setDynamicQuality(staticQuality == null);
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67 public boolean isEnabled() {
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68 Boolean qualityPaint = getHint(KEY_QUALITY_INTERACTOR_ENABLED);
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69 return !Boolean.FALSE.equals(qualityPaint);
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72 private NavigationNode getNavigationNode() {
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73 G2DSceneGraph sg = getContext().getSceneGraph();
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74 INode node = sg.lookupNode(SceneGraphConstants.NAVIGATION_NODE_NAME);
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75 return node instanceof NavigationNode ? (NavigationNode) node : null;
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78 @HintListener(Class = RenderingQualityInteractor.class, Field = "KEY_STATIC_QUALITY")
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79 public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {
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80 setStaticQuality0((Quality) newValue);
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83 @HintListener(Class = RenderingQualityInteractor.class, Field = "KEY_STATIC_QUALITY")
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84 public void hintRemoved(IHintObservable sender, Key key, Object oldValue) {
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85 setStaticQuality0(null);
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