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.INode;
28 import org.simantics.scenegraph.Node;
29 import org.simantics.scenegraph.g2d.G2DParentNode;
30 import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
31 import org.simantics.utils.datastructures.hints.IHintContext.Key;
34 * Element Composition -> Image
36 * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
38 public class CompositeImage implements Image {
40 Collection<IElement> elements;
42 private Rectangle2D bounds;
43 //IHintContext parentHints;
44 static EnumSet<Feature> feats = VOLATILE_VECTOR;
46 public static final Key KEY_SG_NODE = new SceneGraphNodeKey(Node.class, "COMPOSITE_IMAGE_SG_NODE");
48 public CompositeImage(Collection<IElement> elements)
50 //this.nodeIdentifier = nodeIdentifier;
51 this.elements = elements;
52 // ITask task = ThreadLogger.getInstance().begin("getElementShapesOnDiagram");
53 // getElementShapesOnDiagram is ridiculously slow with some input data..
54 // With Balas it took almost 2sec to calculate one Area.add() for the last terminal element.
55 //shape = ElementUtils.getElementShapesOnDiagram(elements);
56 // shape = ElementUtils.getElementBoundsOnDiagram(elements);
58 // bounds = shape.getBounds2D();
62 public Rectangle2D getBounds() {
64 Shape shape = getShape();
67 return new Rectangle2D.Double();
68 bounds = shape.getBounds2D();
74 public EnumSet<Feature> getFeatures() {
78 private final Shape getShape() {
80 shape = ElementUtils.getElementBoundsOnDiagram(elements);
86 public Shape getOutline() {
90 public Collection<IElement> getElements() {
95 public void addImageListener(ImageListener listener) {
99 public void removeImageListener(ImageListener listener) {
102 // public void setParentHints(IHintContext hints) {
103 // this.parentHints = hints;
106 // Rendering is single-threaded, this is used while rendering.
107 //Rectangle2D tempBounds = new Rectangle2D.Double(0, 0, 0, 0);
110 public Node init(G2DParentNode parent) {
111 if (elements.size() < 2) {
112 // Optimization for 0..1 element composites
113 for (IElement e : elements) {
114 ElementClass ec = e.getElementClass();
115 G2DParentNode node = getOrCreateParentNode(parent);
116 List<SceneGraph> nodeHandlers = ec.getItemsByClass(SceneGraph.class);
117 for (SceneGraph n : nodeHandlers) {
118 // n.init(e, parent);
121 return node; // Valid node must be returned because transform is set afterwards
125 // For N element composites
127 G2DParentNode node = getOrCreateParentNode(parent);
128 // Rectangle2D bounds = tempBounds;
131 for (IElement e : elements) {
132 ElementClass ec = e.getElementClass();
133 // InternalSize size = ec.getSingleItem(InternalSize.class);
134 // size.getBounds(e, bounds);
136 // Transform transform = e.getElementClass().getSingleItem(Transform.class);
137 // AffineTransform at2 = transform.getTransform(e);
140 SingleElementNode holder = node.getOrCreateNode(ElementUtils.generateNodeId(e), SingleElementNode.class);
141 //SingleElementNode holder = parent.getOrCreateNode(ElementUtils.generateNodeId(e), SingleElementNode.class);
142 holder.setZIndex(++zIndex);
143 holder.setKey(e.getHint(ElementHints.KEY_OBJECT));
144 holder.setTypeClass(e.getHint(ElementHints.KEY_TYPE_CLASS));
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 private G2DParentNode getOrCreateParentNode(G2DParentNode parent) {
156 G2DParentNode node = (G2DParentNode)parent.getNode("composite_image_"+this.hashCode());
158 for (INode n : parent.getNodes())
160 // Removed this grouping node as unnecessary, just use the given parent node
161 node = parent.getOrCreateNode("composite_image_"+this.hashCode(), G2DParentNode.class);