--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.diagram.adapter;\r
+\r
+import java.awt.Shape;\r
+import java.awt.geom.Rectangle2D;\r
+import java.util.Collection;\r
+import java.util.EnumSet;\r
+import java.util.List;\r
+\r
+import org.simantics.g2d.element.ElementClass;\r
+import org.simantics.g2d.element.ElementUtils;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.element.SceneGraphNodeKey;\r
+import org.simantics.g2d.element.handler.SceneGraph;\r
+import org.simantics.g2d.image.Image;\r
+import org.simantics.scenegraph.Node;\r
+import org.simantics.scenegraph.g2d.G2DParentNode;\r
+import org.simantics.scenegraph.g2d.nodes.SingleElementNode;\r
+import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
+\r
+/**\r
+ * Element Composition -> Image\r
+ *\r
+ * @author Toni Kalajainen <toni.kalajainen@vtt.fi>\r
+ */\r
+public class CompositeImage implements Image {\r
+\r
+ Collection<IElement> elements;\r
+ private Shape shape;\r
+ private Rectangle2D bounds;\r
+ //IHintContext parentHints;\r
+ static EnumSet<Feature> feats = VOLATILE_VECTOR;\r
+\r
+ public static final Key KEY_SG_NODE = new SceneGraphNodeKey(Node.class, "COMPOSITE_IMAGE_SG_NODE");\r
+\r
+ public CompositeImage(Collection<IElement> elements)\r
+ {\r
+ //this.nodeIdentifier = nodeIdentifier;\r
+ this.elements = elements;\r
+// ITask task = ThreadLogger.getInstance().begin("getElementShapesOnDiagram");\r
+ // getElementShapesOnDiagram is ridiculously slow with some input data..\r
+ // With Balas it took almost 2sec to calculate one Area.add() for the last terminal element.\r
+ //shape = ElementUtils.getElementShapesOnDiagram(elements);\r
+// shape = ElementUtils.getElementBoundsOnDiagram(elements);\r
+ // task.finish();\r
+// bounds = shape.getBounds2D();\r
+ }\r
+\r
+ @Override\r
+ public Rectangle2D getBounds() {\r
+ if(bounds == null) {\r
+ Shape shape = getShape();\r
+ // Shape may be null.\r
+ if (shape == null)\r
+ return new Rectangle2D.Double();\r
+ bounds = shape.getBounds2D();\r
+ }\r
+ return bounds;\r
+ }\r
+\r
+ @Override\r
+ public EnumSet<Feature> getFeatures() {\r
+ return feats;\r
+ }\r
+\r
+ private final Shape getShape() {\r
+ if(shape == null) {\r
+ shape = ElementUtils.getElementBoundsOnDiagram(elements);\r
+ }\r
+ return shape;\r
+ }\r
+\r
+ @Override\r
+ public Shape getOutline() {\r
+ return getShape();\r
+ }\r
+\r
+ public Collection<IElement> getElements() {\r
+ return elements;\r
+ }\r
+\r
+ @Override\r
+ public void addImageListener(ImageListener listener) {\r
+ }\r
+\r
+ @Override\r
+ public void removeImageListener(ImageListener listener) {\r
+ }\r
+\r
+// public void setParentHints(IHintContext hints) {\r
+// this.parentHints = hints;\r
+// }\r
+\r
+ // Rendering is single-threaded, this is used while rendering.\r
+ Rectangle2D tempBounds = new Rectangle2D.Double(0, 0, 0, 0);\r
+\r
+ @Override\r
+ public Node init(G2DParentNode parent) {\r
+ if (elements.size() < 2) {\r
+ // Optimization for 0..1 element composites\r
+ for (IElement e : elements) {\r
+ ElementClass ec = e.getElementClass();\r
+ G2DParentNode node = parent.getOrCreateNode("composite_image_"+this.hashCode(), G2DParentNode.class);\r
+ List<SceneGraph> nodeHandlers = ec.getItemsByClass(SceneGraph.class);\r
+ for (SceneGraph n : nodeHandlers) {\r
+// n.init(e, parent);\r
+ n.init(e, node);\r
+ }\r
+ return node; // Valid node must be returned because transform is set afterwards\r
+ }\r
+ }\r
+\r
+ // For N element composites\r
+\r
+ // Removed this grouping node as unnecessary, just use the given parent node\r
+ G2DParentNode node = parent.getOrCreateNode("composite_image_"+this.hashCode(), G2DParentNode.class);\r
+\r
+// Rectangle2D bounds = tempBounds;\r
+\r
+ int zIndex = 0;\r
+ for (IElement e : elements) {\r
+ ElementClass ec = e.getElementClass();\r
+// InternalSize size = ec.getSingleItem(InternalSize.class);\r
+// size.getBounds(e, bounds);\r
+\r
+// Transform transform = e.getElementClass().getSingleItem(Transform.class);\r
+// AffineTransform at2 = transform.getTransform(e);\r
+// if (at2 == null)\r
+// continue;\r
+ SingleElementNode holder = node.getOrCreateNode(ElementUtils.generateNodeId(e), SingleElementNode.class);\r
+ //SingleElementNode holder = parent.getOrCreateNode(ElementUtils.generateNodeId(e), SingleElementNode.class);\r
+ holder.setZIndex(++zIndex);\r
+\r
+ List<SceneGraph> nodeHandlers = ec.getItemsByClass(SceneGraph.class);\r
+ for(SceneGraph n : nodeHandlers) {\r
+ n.init(e, holder);\r
+ }\r
+ }\r
+\r
+ return node; // Valid node must be returned because transform is set afterwards\r
+ }\r
+\r
+// public static class TypeProxyElement extends ProxyElement {\r
+// IHintContext instanceHints;\r
+// public TypeProxyElement(IElement orig, IHintContext instanceHints) {\r
+// super(orig);\r
+// this.instanceHints = instanceHints;\r
+// }\r
+// @Override\r
+// public <E> E getHint(Key key) {\r
+// // TODO: need some mechanism to tell whether it is allowed to look for this key in the instance hints or not\r
+// // This version is broken because some hints MUST come from the original element.\r
+// E e = null;\r
+// if (instanceHints != null)\r
+// e = instanceHints.getHint(key);\r
+// if (e == null)\r
+// e = orig.getHint(key);\r
+// return e;\r
+// }\r
+// @Override\r
+// public Map<Key, Object> getHints() {\r
+// throw new UnsupportedOperationException();\r
+// }\r
+// @Override\r
+// public <E extends Key> Map<E, Object> getHintsOfClass(Class<E> clazz) {\r
+// throw new UnsupportedOperationException();\r
+// }\r
+// @Override\r
+// public void setHint(Key key, Object value) {\r
+// if (instanceHints != null)\r
+// instanceHints.setHint(key, value);\r
+// else\r
+// orig.setHint(key, value);\r
+// }\r
+// }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff