bundles/org.simantics.modeling.template2d.ui/src/org/simantics/modeling/template2d/ui/wizard/DrawingTemplateExporter.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.modeling.template2d.ui.wizard;
  13
  14 import java.io.File;
  15 import java.io.IOException;
  16 import java.lang.reflect.InvocationTargetException;
  17 import java.util.Set;
  18
  19 import org.eclipse.core.runtime.IProgressMonitor;
  20 import org.eclipse.core.runtime.NullProgressMonitor;
  21 import org.eclipse.core.runtime.SubMonitor;
  22 import org.eclipse.jface.operation.IRunnableWithProgress;
  23 import org.simantics.Simantics;
  24 import org.simantics.databoard.binding.error.BindingException;
  25 import org.simantics.databoard.binding.mutable.Variant;
  26 import org.simantics.databoard.container.DataContainer;
  27 import org.simantics.databoard.container.DataContainers;
  28 import org.simantics.databoard.serialization.SerializationException;
  29 import org.simantics.db.ReadGraph;
  30 import org.simantics.db.Resource;
  31 import org.simantics.db.Session;
  32 import org.simantics.db.exception.DatabaseException;
  33 import org.simantics.db.layer0.adapter.CopyHandler;
  34 import org.simantics.db.layer0.util.ClipboardUtils;
  35 import org.simantics.db.layer0.util.SimanticsClipboard;
  36 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
  37 import org.simantics.db.layer0.util.SimanticsClipboardImpl;
  38 import org.simantics.db.layer0.util.SimanticsKeys;
  39 import org.simantics.db.request.Read;
  40 import org.simantics.graph.representation.TransferableGraph1;
  41 import org.simantics.modeling.template2d.DiagramTemplateConstants;
  42 import org.simantics.utils.ui.dialogs.ShowMessage;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45
  46 /**
  47  * @author Tuukka Lehtonen
  48  * @author Teemu M�t�sniemi
  49  */
  50 public class DrawingTemplateExporter implements IRunnableWithProgress {
  51
  52     private static final Logger LOGGER = LoggerFactory.getLogger(DrawingTemplateExporter.class);
  53
  54     ExportPlan exportModel;
  55
  56     public DrawingTemplateExporter(ExportPlan exportModel) {
  57         this.exportModel = exportModel;
  58     }
  59
  60     @Override
  61     public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
  62         SubMonitor progress = SubMonitor.convert(monitor, 50);
  63         try {
  64             exportModel(progress.newChild(50, SubMonitor.SUPPRESS_NONE));
  65         } catch (IOException e) {
  66             throw new InvocationTargetException(e);
  67         } catch (DatabaseException e) {
  68             throw new InvocationTargetException(e);
  69         } catch (BindingException e) {
  70             throw new InvocationTargetException(e);
  71         } finally {
  72             monitor.done();
  73         }
  74     }
  75
  76     void exportModel(SubMonitor mon) throws IOException, DatabaseException, SerializationException, BindingException{
  77         doExport(mon, exportModel.exportLocation, exportModel.model.getResource());
  78         mon.setWorkRemaining(0);
  79     }
  80
  81     public static void doExport(File location, Resource template) throws DatabaseException, IOException {
  82         NullProgressMonitor monitor = new NullProgressMonitor();
  83         doExport(monitor, location, template);
  84     }
  85
  86     public static void doExport(IProgressMonitor mon, File location, final Resource template) throws DatabaseException, IOException {
  87         try {
  88             // TODO: figure out a way to make the TG go directly into a file
  89             // instead of having it all in memory at once.
  90
  91             mon.beginTask("Exporting diagram template...", 100);
  92             Session session = Simantics.getSession();
  93             SimanticsClipboard clipboard = session.syncRequest(new Read<SimanticsClipboard>() {
  94                 @Override
  95                 public SimanticsClipboard perform(ReadGraph graph) throws DatabaseException {
  96                     CopyHandler ch = graph.adapt(template, CopyHandler.class);
  97                     SimanticsClipboardImpl clipboard = new SimanticsClipboardImpl();
  98                     ch.copyToClipboard(graph, clipboard, SubMonitor.convert(mon, 50));
  99                     return clipboard;
 100                 }
 101             });
 102             for (Set<Representation> object : clipboard.getContents()) {
 103                 TransferableGraph1 tg = ClipboardUtils.accept(object, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
 104                 mon.worked(50);
 105
 106                 mon.setTaskName("Writing transferable graph...");
 107                 DataContainers.writeFile(location, new DataContainer(
 108                         DiagramTemplateConstants.DRAWING_TEMPLATE_FORMAT, DiagramTemplateConstants.DRAWING_TEMPLATE_CURRENT_VERSION,
 109                         new Variant(TransferableGraph1.BINDING, tg)));
 110                 mon.worked(5);
 111             }
 112         } catch (DatabaseException e) {
 113             LOGGER.error("Drawing template export failed", e);
 114             mon.setCanceled(true);
 115             ShowMessage.showError("Export failed.", "Internal application error in export. See log for details.");
 116         }
 117     }
 118
 119 }