X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;ds=sidebyside;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fadapter%2FSVGElementClassFactory.java;fp=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fadapter%2FSVGElementClassFactory.java;h=931c22ba7eb87e0bb309b31a69a9f89f47c3a30a;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/SVGElementClassFactory.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/SVGElementClassFactory.java new file mode 100644 index 000000000..931c22ba7 --- /dev/null +++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/SVGElementClassFactory.java @@ -0,0 +1,171 @@ +/******************************************************************************* + * Copyright (c) 2007, 2010 Association for Decentralized Information Management + * in Industry THTH ry. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.diagram.adapter; + +import java.awt.Point; +import java.awt.geom.Rectangle2D; + +import org.simantics.Simantics; +import org.simantics.databoard.Bindings; +import org.simantics.db.AsyncReadGraph; +import org.simantics.db.ReadGraph; +import org.simantics.db.Resource; +import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener; +import org.simantics.db.common.procedure.guarded.GuardedAsyncProcedureWrapper; +import org.simantics.db.common.request.BinaryAsyncRead; +import org.simantics.db.common.request.ReadRequest; +import org.simantics.db.common.request.UnaryAsyncRead; +import org.simantics.db.common.utils.NameUtils; +import org.simantics.db.exception.DatabaseException; +import org.simantics.db.procedure.AsyncProcedure; +import org.simantics.diagram.stubs.G2DResource; +import org.simantics.diagram.synchronization.SynchronizationHints; +import org.simantics.diagram.synchronization.graph.TransformSynchronizer; +import org.simantics.g2d.canvas.ICanvasContext; +import org.simantics.g2d.diagram.DiagramHints; +import org.simantics.g2d.diagram.IDiagram; +import org.simantics.g2d.element.ElementClass; +import org.simantics.g2d.element.ElementHints; +import org.simantics.g2d.element.IElement; +import org.simantics.g2d.element.handler.impl.DefaultTransform; +import org.simantics.g2d.element.handler.impl.SimpleElementLayers; +import org.simantics.g2d.element.handler.impl.StaticObjectAdapter; +import org.simantics.g2d.element.handler.impl.StaticSymbolImageInitializer; +import org.simantics.g2d.element.handler.impl.StaticSymbolImpl; +import org.simantics.g2d.element.handler.impl.TextImpl; +import org.simantics.g2d.elementclass.ImageClass.ImageElementHandler; +import org.simantics.g2d.image.DefaultImages; +import org.simantics.g2d.image.Image; +import org.simantics.g2d.image.ProviderUtils; +import org.simantics.g2d.svg.SVGImage; +import org.simantics.scenegraph.g2d.nodes.SVGNode; +import org.simantics.utils.Development; +import org.simantics.utils.datastructures.cache.IFactory; +import org.simantics.utils.datastructures.cache.ProvisionException; +import org.simantics.utils.ui.ErrorLogger; + +/** + * An {@link ElementFactory} for DIA.SVGElement instances. + * + *

+ * Loads element layers, transform and SVG document. + * + * @author Tuukka Lehtonen + */ +public class SVGElementClassFactory extends ElementFactoryAdapter { + + public static final ElementFactory INSTANCE = new SVGElementClassFactory(); + + private static final StaticSymbolImpl STATIC_SYMBOL = new StaticSymbolImpl(DefaultImages.SVG.get()); + + static class ClassRequest extends UnaryAsyncRead { + + public ClassRequest(Resource elementType) { + super(elementType); + } + + @Override + public void perform(AsyncReadGraph graph, AsyncProcedure procedure) { + createClass(graph, parameter, procedure); + } + + } + + @Override + public void create(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, + final Resource elementType, final AsyncProcedure procedure) { + + graph.asyncRequest(new ClassRequest(elementType), new TransientCacheAsyncListener() { + + @Override + public void exception(AsyncReadGraph graph, Throwable t) { + procedure.exception(graph, t); + } + + @Override + public void execute(AsyncReadGraph graph, ElementClass result) { + procedure.execute(graph, result); + } + + }); + + } + + static void createClass(AsyncReadGraph graph, final Resource elementType, final AsyncProcedure procedure) { + String id = "SVGElement: " + elementType.getResourceId(); + procedure.execute(graph, ElementClass.compile( + TextImpl.INSTANCE, + new StaticObjectAdapter(elementType), + DefaultTransform.INSTANCE, + StaticSymbolImageInitializer.INSTANCE, + STATIC_SYMBOL, + ImageElementHandler.INSTANCE, + SimpleElementLayers.INSTANCE) + .setId(id)); + } + + @Override + public void load(AsyncReadGraph graph, final ICanvasContext canvas, final IDiagram diagram, final Resource element, final IElement e, final AsyncProcedure procedure) { + e.setHint(SynchronizationHints.HINT_SYNCHRONIZER, TransformSynchronizer.INSTANCE); + + final GuardedAsyncProcedureWrapper guard = new GuardedAsyncProcedureWrapper(procedure, 3); + + loadSVG(graph, diagram, element, e, guard); + ElementFactoryUtil.loadLayersForElement(graph, diagram, e, element, guard); + ElementFactoryUtil.readTransform(graph, element, e, guard); + } + + private void loadSVG(AsyncReadGraph graph, final IDiagram diagram, final Resource element, final IElement e, final AsyncProcedure guard) { + G2DResource G2D = graph.getService(G2DResource.class); + + graph.forPossibleRelatedValue(element, G2D.HasSVGDocument, Bindings.STRING, new AsyncProcedure() { + @Override + public void exception(AsyncReadGraph graph, Throwable throwable) { + guard.exception(graph, throwable); + } + + @Override + public void execute(AsyncReadGraph graph, final String svgDocument) { + if (svgDocument != null) { + + if(Development.DEVELOPMENT) { + Rectangle2D bounds = SVGNode.getRealBounds(svgDocument); + if(bounds != null && bounds.isEmpty()) { + Simantics.async(new ReadRequest() { + @Override + public void run(ReadGraph graph) throws DatabaseException { + System.err.println("Graphics for element " + NameUtils.getSafeName(graph, element) + " are empty."); + } + }); + } + } + + Point referenceSize = diagram.getHint(DiagramHints.KEY_ELEMENT_RASTER_TARGET_SIZE); + IFactory img = SVGImage.createFactoryFromString(String.valueOf(element.getResourceId()), svgDocument, referenceSize); + try { + img = ProviderUtils.rasterize(img); + e.setHint(ElementHints.KEY_IMAGE, img.get()); + guard.execute(graph, e); + } catch (ProvisionException ex) { + ErrorLogger.defaultLogError(ex); + e.setHint(ElementHints.KEY_IMAGE, DefaultImages.SVG.get()); + guard.execute(graph, e); + } + } else { + e.setHint(ElementHints.KEY_IMAGE, DefaultImages.UNKNOWN.get()); + guard.execute(graph, e); + } + } + }); + } + +} \ No newline at end of file