1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.diagram.adapter;
14 import java.awt.Shape;
15 import java.awt.geom.Rectangle2D;
16 import java.util.Collection;
17 import java.util.EnumSet;
18 import java.util.List;
20 import org.simantics.g2d.element.ElementClass;
21 import org.simantics.g2d.element.ElementHints;
22 import org.simantics.g2d.element.ElementUtils;
23 import org.simantics.g2d.element.IElement;
24 import org.simantics.g2d.element.SceneGraphNodeKey;
25 import org.simantics.g2d.element.handler.SceneGraph;
26 import org.simantics.g2d.image.Image;
27 import org.simantics.scenegraph.Node;
28 import org.simantics.scenegraph.g2d.G2DParentNode;
29 import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
30 import org.simantics.utils.datastructures.hints.IHintContext.Key;
33 * Element Composition -> Image
35 * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
37 public class CompositeImage implements Image {
39 Collection<IElement> elements;
41 private Rectangle2D bounds;
42 //IHintContext parentHints;
43 static EnumSet<Feature> feats = VOLATILE_VECTOR;
45 public static final Key KEY_SG_NODE = new SceneGraphNodeKey(Node.class, "COMPOSITE_IMAGE_SG_NODE");
47 public CompositeImage(Collection<IElement> elements)
49 //this.nodeIdentifier = nodeIdentifier;
50 this.elements = elements;
51 // ITask task = ThreadLogger.getInstance().begin("getElementShapesOnDiagram");
52 // getElementShapesOnDiagram is ridiculously slow with some input data..
53 // With Balas it took almost 2sec to calculate one Area.add() for the last terminal element.
54 //shape = ElementUtils.getElementShapesOnDiagram(elements);
55 // shape = ElementUtils.getElementBoundsOnDiagram(elements);
57 // bounds = shape.getBounds2D();
61 public Rectangle2D getBounds() {
63 Shape shape = getShape();
66 return new Rectangle2D.Double();
67 bounds = shape.getBounds2D();
73 public EnumSet<Feature> getFeatures() {
77 private final Shape getShape() {
79 shape = ElementUtils.getElementBoundsOnDiagram(elements);
85 public Shape getOutline() {
89 public Collection<IElement> getElements() {
94 public void addImageListener(ImageListener listener) {
98 public void removeImageListener(ImageListener listener) {
101 // public void setParentHints(IHintContext hints) {
102 // this.parentHints = hints;
105 // Rendering is single-threaded, this is used while rendering.
106 Rectangle2D tempBounds = new Rectangle2D.Double(0, 0, 0, 0);
109 public Node init(G2DParentNode parent) {
110 if (elements.size() < 2) {
111 // Optimization for 0..1 element composites
112 for (IElement e : elements) {
113 ElementClass ec = e.getElementClass();
114 G2DParentNode node = parent.getOrCreateNode("composite_image_"+this.hashCode(), G2DParentNode.class);
115 List<SceneGraph> nodeHandlers = ec.getItemsByClass(SceneGraph.class);
116 for (SceneGraph n : nodeHandlers) {
117 // n.init(e, parent);
120 return node; // Valid node must be returned because transform is set afterwards
124 // For N element composites
126 // Removed this grouping node as unnecessary, just use the given parent node
127 G2DParentNode node = parent.getOrCreateNode("composite_image_"+this.hashCode(), G2DParentNode.class);
129 // Rectangle2D bounds = tempBounds;
132 for (IElement e : elements) {
133 ElementClass ec = e.getElementClass();
134 // InternalSize size = ec.getSingleItem(InternalSize.class);
135 // size.getBounds(e, bounds);
137 // Transform transform = e.getElementClass().getSingleItem(Transform.class);
138 // AffineTransform at2 = transform.getTransform(e);
141 SingleElementNode holder = node.getOrCreateNode(ElementUtils.generateNodeId(e), SingleElementNode.class);
142 //SingleElementNode holder = parent.getOrCreateNode(ElementUtils.generateNodeId(e), SingleElementNode.class);
143 holder.setZIndex(++zIndex);
144 holder.setKey(e.getHint(ElementHints.KEY_OBJECT));
146 List<SceneGraph> nodeHandlers = ec.getItemsByClass(SceneGraph.class);
147 for(SceneGraph n : nodeHandlers) {
152 return node; // Valid node must be returned because transform is set afterwards
155 // public static class TypeProxyElement extends ProxyElement {
156 // IHintContext instanceHints;
157 // public TypeProxyElement(IElement orig, IHintContext instanceHints) {
159 // this.instanceHints = instanceHints;
162 // public <E> E getHint(Key key) {
163 // // TODO: need some mechanism to tell whether it is allowed to look for this key in the instance hints or not
164 // // This version is broken because some hints MUST come from the original element.
166 // if (instanceHints != null)
167 // e = instanceHints.getHint(key);
169 // e = orig.getHint(key);
173 // public Map<Key, Object> getHints() {
174 // throw new UnsupportedOperationException();
177 // public <E extends Key> Map<E, Object> getHintsOfClass(Class<E> clazz) {
178 // throw new UnsupportedOperationException();
181 // public void setHint(Key key, Object value) {
182 // if (instanceHints != null)
183 // instanceHints.setHint(key, value);
185 // orig.setHint(key, value);