X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2FDiagramTypeUtils.java;fp=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2FDiagramTypeUtils.java;h=ea3664e9f4e20e3fb1e26b593158f8a1e36098a9;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/DiagramTypeUtils.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/DiagramTypeUtils.java
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index 000000000..ea3664e9f
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+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/DiagramTypeUtils.java
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+/*******************************************************************************
+ * 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<SymbolProviderFactory>() {
+            @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<SymbolProviderFactory> factories = new ArrayList<SymbolProviderFactory>();
+
+        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<ISymbolProvider>() {
+            @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<Boolean>(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;
+            }
+        });
+    }
+
+}