--- /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.Point;\r
+import java.awt.geom.Rectangle2D;\r
+\r
+import org.simantics.Simantics;\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.AsyncReadGraph;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;\r
+import org.simantics.db.common.procedure.guarded.GuardedAsyncProcedureWrapper;\r
+import org.simantics.db.common.request.BinaryAsyncRead;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.common.request.UnaryAsyncRead;\r
+import org.simantics.db.common.utils.NameUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.procedure.AsyncProcedure;\r
+import org.simantics.diagram.stubs.G2DResource;\r
+import org.simantics.diagram.synchronization.SynchronizationHints;\r
+import org.simantics.diagram.synchronization.graph.TransformSynchronizer;\r
+import org.simantics.g2d.canvas.ICanvasContext;\r
+import org.simantics.g2d.diagram.DiagramHints;\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.g2d.element.ElementClass;\r
+import org.simantics.g2d.element.ElementHints;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.element.handler.impl.DefaultTransform;\r
+import org.simantics.g2d.element.handler.impl.SimpleElementLayers;\r
+import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;\r
+import org.simantics.g2d.element.handler.impl.StaticSymbolImageInitializer;\r
+import org.simantics.g2d.element.handler.impl.StaticSymbolImpl;\r
+import org.simantics.g2d.element.handler.impl.TextImpl;\r
+import org.simantics.g2d.elementclass.ImageClass.ImageElementHandler;\r
+import org.simantics.g2d.image.DefaultImages;\r
+import org.simantics.g2d.image.Image;\r
+import org.simantics.g2d.image.ProviderUtils;\r
+import org.simantics.g2d.svg.SVGImage;\r
+import org.simantics.scenegraph.g2d.nodes.SVGNode;\r
+import org.simantics.utils.Development;\r
+import org.simantics.utils.datastructures.cache.IFactory;\r
+import org.simantics.utils.datastructures.cache.ProvisionException;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+\r
+/**\r
+ * An {@link ElementFactory} for DIA.SVGElement instances.\r
+ * \r
+ * <p>\r
+ * Loads element layers, transform and SVG document.\r
+ * \r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class SVGElementClassFactory extends ElementFactoryAdapter {\r
+\r
+ public static final ElementFactory INSTANCE = new SVGElementClassFactory();\r
+\r
+ private static final StaticSymbolImpl STATIC_SYMBOL = new StaticSymbolImpl(DefaultImages.SVG.get());\r
+\r
+ static class ClassRequest extends UnaryAsyncRead<Resource, ElementClass> {\r
+\r
+ public ClassRequest(Resource elementType) {\r
+ super(elementType);\r
+ }\r
+\r
+ @Override\r
+ public void perform(AsyncReadGraph graph, AsyncProcedure<ElementClass> procedure) {\r
+ createClass(graph, parameter, procedure);\r
+ }\r
+\r
+ }\r
+\r
+ @Override\r
+ public void create(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram,\r
+ final Resource elementType, final AsyncProcedure<ElementClass> procedure) {\r
+\r
+ graph.asyncRequest(new ClassRequest(elementType), new TransientCacheAsyncListener<ElementClass>() {\r
+\r
+ @Override\r
+ public void exception(AsyncReadGraph graph, Throwable t) {\r
+ procedure.exception(graph, t);\r
+ }\r
+\r
+ @Override\r
+ public void execute(AsyncReadGraph graph, ElementClass result) {\r
+ procedure.execute(graph, result);\r
+ }\r
+\r
+ });\r
+\r
+ }\r
+\r
+ static void createClass(AsyncReadGraph graph, final Resource elementType, final AsyncProcedure<ElementClass> procedure) {\r
+ String id = "SVGElement: " + elementType.getResourceId();\r
+ procedure.execute(graph, ElementClass.compile(\r
+ TextImpl.INSTANCE,\r
+ new StaticObjectAdapter(elementType),\r
+ DefaultTransform.INSTANCE,\r
+ StaticSymbolImageInitializer.INSTANCE,\r
+ STATIC_SYMBOL,\r
+ ImageElementHandler.INSTANCE,\r
+ SimpleElementLayers.INSTANCE)\r
+ .setId(id));\r
+ }\r
+\r
+ @Override\r
+ public void load(AsyncReadGraph graph, final ICanvasContext canvas, final IDiagram diagram, final Resource element, final IElement e, final AsyncProcedure<IElement> procedure) {\r
+ e.setHint(SynchronizationHints.HINT_SYNCHRONIZER, TransformSynchronizer.INSTANCE);\r
+\r
+ final GuardedAsyncProcedureWrapper<IElement> guard = new GuardedAsyncProcedureWrapper<IElement>(procedure, 3);\r
+\r
+ loadSVG(graph, diagram, element, e, guard);\r
+ ElementFactoryUtil.loadLayersForElement(graph, diagram, e, element, guard);\r
+ ElementFactoryUtil.readTransform(graph, element, e, guard);\r
+ }\r
+\r
+ private void loadSVG(AsyncReadGraph graph, final IDiagram diagram, final Resource element, final IElement e, final AsyncProcedure<IElement> guard) {\r
+ G2DResource G2D = graph.getService(G2DResource.class);\r
+\r
+ graph.forPossibleRelatedValue(element, G2D.HasSVGDocument, Bindings.STRING, new AsyncProcedure<String>() {\r
+ @Override\r
+ public void exception(AsyncReadGraph graph, Throwable throwable) {\r
+ guard.exception(graph, throwable);\r
+ }\r
+\r
+ @Override\r
+ public void execute(AsyncReadGraph graph, final String svgDocument) {\r
+ if (svgDocument != null) {\r
+\r
+ if(Development.DEVELOPMENT) {\r
+ Rectangle2D bounds = SVGNode.getRealBounds(svgDocument);\r
+ if(bounds != null && bounds.isEmpty()) {\r
+ Simantics.async(new ReadRequest() {\r
+ @Override \r
+ public void run(ReadGraph graph) throws DatabaseException {\r
+ System.err.println("Graphics for element " + NameUtils.getSafeName(graph, element) + " are empty.");\r
+ }\r
+ });\r
+ }\r
+ }\r
+\r
+ Point referenceSize = diagram.getHint(DiagramHints.KEY_ELEMENT_RASTER_TARGET_SIZE);\r
+ IFactory<Image> img = SVGImage.createFactoryFromString(String.valueOf(element.getResourceId()), svgDocument, referenceSize);\r
+ try {\r
+ img = ProviderUtils.rasterize(img);\r
+ e.setHint(ElementHints.KEY_IMAGE, img.get());\r
+ guard.execute(graph, e);\r
+ } catch (ProvisionException ex) {\r
+ ErrorLogger.defaultLogError(ex);\r
+ e.setHint(ElementHints.KEY_IMAGE, DefaultImages.SVG.get());\r
+ guard.execute(graph, e);\r
+ }\r
+ } else {\r
+ e.setHint(ElementHints.KEY_IMAGE, DefaultImages.UNKNOWN.get());\r
+ guard.execute(graph, e);\r
+ }\r
+ }\r
+ });\r
+ }\r
+\r
+}
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Code Review / simantics / platform.git / blobdiff