/******************************************************************************* * 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; import java.util.ArrayList; import java.util.Collection; import org.simantics.db.ReadGraph; import org.simantics.db.RequestProcessor; import org.simantics.db.Resource; import org.simantics.db.common.request.ResourceRead2; import org.simantics.db.exception.DatabaseException; import org.simantics.db.request.Read; import org.simantics.diagram.stubs.DiagramResource; import org.simantics.diagram.symbolcontribution.CompositeSymbolProviderFactory; import org.simantics.diagram.symbolcontribution.ISymbolProvider; import org.simantics.diagram.symbolcontribution.SymbolContribution; import org.simantics.diagram.symbolcontribution.SymbolProviderFactory; import org.simantics.diagram.symbollibrary.ISymbolGroup; import org.simantics.diagram.symbollibrary.ISymbolItem; import org.simantics.utils.ui.AdaptionUtils; /** * @author Tuukka Lehtonen */ public final class DiagramTypeUtils { public static SymbolProviderFactory readSymbolProviderFactory(RequestProcessor processor, final Resource diagram) throws DatabaseException { return processor.syncRequest(new Read() { @Override public SymbolProviderFactory perform(ReadGraph graph) throws DatabaseException { return readSymbolProviderFactory(graph, diagram); } }); } public static SymbolProviderFactory readSymbolProviderFactory(ReadGraph graph, Resource diagram) throws DatabaseException { DiagramResource dr = DiagramResource.getInstance(graph); Collection factories = new ArrayList(); for (Resource diagramType : graph.getTypes(diagram)) { for (Resource symbolContribution : graph.getObjects(diagramType, dr.HasSymbolContribution)) { // TODO: consider how to react to possible adaption failures SymbolContribution contribution = graph.adaptUnique(symbolContribution, SymbolContribution.class); factories.add(contribution.create(graph, diagram)); } } return new CompositeSymbolProviderFactory(factories); } public static ISymbolProvider readSymbolContributions(RequestProcessor processor, final Resource diagram) throws DatabaseException { return processor.syncRequest(new Read() { @Override public ISymbolProvider perform(ReadGraph graph) throws DatabaseException { return readSymbolContributions(graph, diagram); } }); } public static ISymbolProvider readSymbolContributions(ReadGraph graph, Resource diagram) throws DatabaseException { return readSymbolProviderFactory(graph, diagram).create(graph); } public static boolean symbolAllowedOnDiagram(RequestProcessor processor, ISymbolItem symbol, final Resource diagram) throws DatabaseException { return symbolFromGroupAllowedOnDiagram(processor, symbol.getGroup(), diagram); } public static boolean symbolFromGroupAllowedOnDiagram(RequestProcessor processor, ISymbolGroup group, final Resource diagram) throws DatabaseException { final Resource groupResource = AdaptionUtils.adaptToSingle(group, Resource.class); return symbolFromGroupAllowedOnDiagram(processor, groupResource, diagram); } public static boolean symbolFromGroupAllowedOnDiagram(RequestProcessor processor, final Resource symbolGroup, final Resource diagram) throws DatabaseException { // no semantic info, no validation if (diagram == null) return true; if (symbolGroup == null) return true; return processor.syncRequest(new ResourceRead2(diagram, symbolGroup) { @Override public Boolean perform(ReadGraph graph) throws DatabaseException { DiagramResource DIA = DiagramResource.getInstance(graph); for (Resource diagramType : graph.getTypes(diagram)) { for (Resource symbolContribution : graph.getObjects(diagramType, DIA.HasSymbolContribution)) { for (Resource symbolLibrary : graph.getObjects(symbolContribution, DIA.BasicSymbolContributionHasSymbolLibrary)) { if (symbolGroup.equals(symbolLibrary)) return Boolean.TRUE; } } } return Boolean.FALSE; } }); } }