/*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * Copyright (c) 2007, 2017 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
*
* Contributors:
* VTT Technical Research Centre of Finland - initial API and implementation
+ * Semantum Oy - (#7084) refactoring
*******************************************************************************/
package org.simantics.modeling.ui.pdf;
import java.util.concurrent.Semaphore;
-import java.util.concurrent.atomic.AtomicReference;
import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
+import org.simantics.db.Session;
import org.simantics.db.common.request.PossibleIndexRoot;
import org.simantics.db.common.request.UniqueRead;
import org.simantics.db.common.utils.NameUtils;
import org.simantics.db.exception.ValidationException;
import org.simantics.db.layer0.variable.Variable;
import org.simantics.db.layer0.variable.Variables;
-import org.simantics.db.management.ISessionContext;
+import org.simantics.db.request.Read;
import org.simantics.diagram.elements.DiagramNodeUtil;
import org.simantics.diagram.stubs.DiagramResource;
import org.simantics.g2d.canvas.Hints;
import org.simantics.g2d.scenegraph.ICanvasSceneGraphProvider;
import org.simantics.modeling.requests.Node;
import org.simantics.structural.stubs.StructuralResource2;
-import org.simantics.utils.DataContainer;
import org.simantics.utils.datastructures.Pair;
import org.simantics.utils.page.PageDesc;
import org.simantics.utils.threads.IThreadWorkQueue;
*/
public class PDFPainter {
- public static boolean render(
+ public static void render(
final IThreadWorkQueue thread,
- final ISessionContext sessionContext,
PDFExportPlan exportModel,
final Node node,
final PdfWriter writer,
final PageDesc pageDesc,
final boolean fitDiagramContentsToPageMargins,
long timeout)
- throws InterruptedException, DatabaseException
+ throws InterruptedException, DatabaseException
{
- final DataContainer<Boolean> result = new DataContainer<Boolean>(false);
- final DataContainer<DatabaseException> exception = new DataContainer<DatabaseException>();
+ DatabaseException[] exception = { null };
+ ICanvasSceneGraphProvider[] sgProvider = { null };
- final CanvasContext ctx = new CanvasContext(thread);
- final AtomicReference<ICanvasSceneGraphProvider> sgProvider = new AtomicReference<ICanvasSceneGraphProvider>();
+ CanvasContext ctx = new CanvasContext(thread);
+ ctx.getDefaultHintContext().setHint(Hints.KEY_DISABLE_GRAPH_MODIFICATIONS, Boolean.TRUE);
try {
final Semaphore done = new Semaphore(0);
// IMPORTANT: Load diagram in a different thread than the canvas context thread!
- ThreadUtils.getBlockingWorkExecutor().execute(new Runnable() {
- @Override
- public void run() {
- try {
- Pair<Resource, String> modelAndRVI = sessionContext.getSession().syncRequest(new UniqueRead<Pair<Resource, String>>() {
- @Override
- public Pair<Resource, String> perform(ReadGraph graph) throws DatabaseException {
- return new Pair<Resource, String>( resolveModel(graph, node), resolveRVI(graph, node) );
- }
- });
-
- final Boolean isSymbol = sessionContext.getSession().syncRequest(new UniqueRead<Boolean>() {
- @Override
- public Boolean perform(ReadGraph graph) throws DatabaseException {
- StructuralResource2 STR = StructuralResource2.getInstance(graph);
- DiagramResource DIA = DiagramResource.getInstance(graph);
- Resource possibleSymbol = graph.getPossibleObject(node.getDiagramResource(), STR.Defines);
- return possibleSymbol != null && graph.isInstanceOf(possibleSymbol, DIA.ElementClass);
- }
- });
-
- ICanvasSceneGraphProvider provider = DiagramNodeUtil.loadSceneGraphProvider(ctx, modelAndRVI.first, node.getDiagramResource(), modelAndRVI.second, 5000);
- sgProvider.set( provider );
- ctx.getDefaultHintContext().setHint(Hints.KEY_PAGE_DESC, pageDesc);
-
-// StringBuilder b = new StringBuilder();
-// NodeUtil.printTreeNodes(ctx.getCanvasNode(), b);
-// System.err.println(b.toString());
-
- ThreadUtils.asyncExec(thread, new Runnable() {
- @Override
- public void run() {
- try {
- PDFBuilder chassis = new PDFBuilder(writer, mapper, pageSize, pageDesc, fitDiagramContentsToPageMargins || isSymbol);
-
- chassis.paint(ctx, true);
- } finally {
- done.release();
- }
- }
- });
- } catch (DatabaseException e) {
- done.release();
- exception.set(e);
- } catch (Throwable e) {
- done.release();
- exception.set(new DatabaseException(e));
- } finally {
- done.release();
- }
+ ThreadUtils.getBlockingWorkExecutor().execute(() -> {
+ try {
+ Session s = exportModel.sessionContext.getSession();
+
+ Pair<Resource, String> modelAndRVI = s.syncRequest( modelAndRVI(node) );
+ Boolean isSymbol = s.syncRequest( isSymbol(node) );
+
+ ICanvasSceneGraphProvider provider = DiagramNodeUtil.loadSceneGraphProvider(
+ ctx,
+ modelAndRVI.first,
+ node.getDiagramResource(),
+ modelAndRVI.second,
+ 5000);
+ sgProvider[0] = provider;
+ ctx.getDefaultHintContext().setHint(Hints.KEY_PAGE_DESC, pageDesc);
+
+// System.err.println(NodeUtil.printTreeNodes(ctx.getCanvasNode(), new StringBuilder()).toString());
+
+ ThreadUtils.asyncExec(thread, () -> {
+ try {
+ PDFBuilder chassis = new PDFBuilder(writer, mapper, pageSize, pageDesc, fitDiagramContentsToPageMargins || isSymbol);
+ chassis.paint(ctx, true);
+ } catch (Throwable e) {
+ exception[0] = new DatabaseException(e);
+ } finally {
+ done.release();
+ }
+ });
+ } catch (DatabaseException e) {
+ done.release();
+ exception[0] = e;
+ } catch (Throwable e) {
+ done.release();
+ exception[0] = new DatabaseException(e);
+ } finally {
+ done.release();
}
});
done.acquire(2);
- if (exception.get() != null)
- throw exception.get();
- return result.get();
+ if (exception[0] != null)
+ throw exception[0];
} finally {
- if (sgProvider.get() != null)
- sgProvider.get().dispose();
+ if (sgProvider[0] != null)
+ sgProvider[0].dispose();
ctx.dispose();
}
}
+ private static Read<Pair<Resource, String>> modelAndRVI(Node node) {
+ return new UniqueRead<Pair<Resource, String>>() {
+ @Override
+ public Pair<Resource, String> perform(ReadGraph graph) throws DatabaseException {
+ return Pair.make( resolveModel(graph, node), resolveRVI(graph, node) );
+ }
+ };
+ }
+
+ private static Read<Boolean> isSymbol(Node node) {
+ return new UniqueRead<Boolean>() {
+ @Override
+ public Boolean perform(ReadGraph graph) throws DatabaseException {
+ StructuralResource2 STR = StructuralResource2.getInstance(graph);
+ DiagramResource DIA = DiagramResource.getInstance(graph);
+ Resource possibleSymbol = graph.getPossibleObject(node.getDiagramResource(), STR.Defines);
+ return possibleSymbol != null && graph.isInstanceOf(possibleSymbol, DIA.ElementClass);
+ }
+ };
+ }
+
private static Resource resolveModel(ReadGraph graph, Node node) throws DatabaseException {
Resource composite = node.getDefiningResources().head();
Resource model = graph.syncRequest(new PossibleIndexRoot(composite));
-// Resource model = StructuralVariables.getModel(graph, composite);
if (model == null)
throw new ValidationException("no model found for composite " + NameUtils.getSafeName(graph, composite));
return model;
}
-// private static String resolveModelURI(ReadGraph graph, final Node node) throws DatabaseException {
-// return graph.getURI(resolveModel(graph, node));
-// }
-
private static String resolveRVI(ReadGraph graph, final Node node) throws DatabaseException {
- String RVI = node.getRVI();
- if(RVI != null) return RVI;
+ String RVI = node.getRVI();
+ if (RVI != null) return RVI;
Resource composite = node.getDefiningResources().head();
Variable var = Variables.getVariable(graph, composite);
org.simantics.db.layer0.variable.RVI rvi = var.getPossibleRVI(graph);
- if(rvi == null) return null;
- return rvi.toString();
-// final ResourceArray compositePath = StructuralVariables.getCompositeArray(graph, composite);
-// final ResourceArray variablePath = compositePath.removeFromBeginning(1);
-// return StructuralVariables.getRVI(graph, variablePath);
+ return rvi != null ? rvi.toString() : null;
}
-}
+}
\ No newline at end of file