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

   1 package org.simantics.modeling.template2d.ui.export;
   2
   3 import java.util.Collection;
   4 import java.util.Collections;
   5 import java.util.List;
   6 import java.util.Set;
   7
   8 import org.eclipse.core.runtime.IProgressMonitor;
   9 import org.osgi.service.prefs.Preferences;
  10 import org.simantics.databoard.binding.mutable.Variant;
  11 import org.simantics.databoard.type.RecordType;
  12 import org.simantics.db.ReadGraph;
  13 import org.simantics.db.Resource;
  14 import org.simantics.db.exception.DatabaseException;
  15 import org.simantics.db.layer0.adapter.CopyHandler;
  16 import org.simantics.db.layer0.util.ClipboardUtils;
  17 import org.simantics.db.layer0.util.SimanticsClipboard;
  18 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
  19 import org.simantics.db.layer0.util.SimanticsClipboardImpl;
  20 import org.simantics.db.layer0.util.SimanticsKeys;
  21 import org.simantics.db.request.Read;
  22 import org.simantics.export.core.ExportContext;
  23 import org.simantics.export.core.error.ExportException;
  24 import org.simantics.export.core.intf.ExportClass;
  25 import org.simantics.export.core.manager.Content;
  26 import org.simantics.export.core.manager.TransferableGraphWriter;
  27 import org.simantics.export.core.util.ExportQueries;
  28 import org.simantics.graph.representation.TransferableGraph1;
  29 import org.simantics.utils.datastructures.MapList;
  30
  31 public class DrawingTemplateExporter implements ExportClass {
  32
  33         @Override
  34         public RecordType options(ExportContext context, Collection<String> content) throws ExportException {
  35                 // TODO Auto-generated method stub
  36                 return null;
  37         }
  38
  39         @Override
  40         public void fillDefaultPrefs(ExportContext ctx, Variant options) throws ExportException {
  41                 // TODO Auto-generated method stub
  42         }
  43
  44         @Override
  45         public void savePref(Variant options, Preferences contentScopeNode, Preferences workbenchScopeNode) throws ExportException {
  46                 // TODO Auto-generated method stub
  47         }
  48
  49         @Override
  50         public void loadPref(Variant options, Preferences contentScopeNode, Preferences workbenchScopeNode) throws ExportException {
  51                 // TODO Auto-generated method stub
  52         }
  53
  54         @Override
  55         public void export(List<Content> contents,
  56                         Object writer_,
  57                         ExportContext context,
  58                         Variant options,
  59                         IProgressMonitor monitor,
  60                         MapList<Content, Content> attachmentMap
  61                         ) throws ExportException {
  62
  63                 final TransferableGraphWriter writer = (TransferableGraphWriter) writer_;
  64
  65         try {
  66                 List<Resource> resources = context.session.syncRequest( ExportQueries.toResources2(contents) );
  67                 for ( final Resource model : resources ) {
  68                     // TODO: figure out a way to make the TG go directly into a file
  69                     // instead of having it all in memory at once.
  70                     SimanticsClipboard clipboard = context.session.syncRequest(new Read<SimanticsClipboard>() {
  71                         @Override
  72                         public SimanticsClipboard perform(ReadGraph graph) throws DatabaseException {
  73                             CopyHandler ch = graph.adapt( model, CopyHandler.class );
  74                             SimanticsClipboardImpl clipboard = new SimanticsClipboardImpl();
  75                             ch.copyToClipboard(graph, clipboard);
  76                             return clipboard;
  77                         }
  78                     });
  79                     for (Set<Representation> object : clipboard.getContents()) {
  80                         TransferableGraph1 tg = ClipboardUtils.accept(object, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
  81                         writer.writeFile(TransferableGraph1.BINDING, tg);
  82                     }
  83                 }
  84
  85         } catch (DatabaseException e) {
  86                 throw new ExportException(e);
  87                 }
  88
  89         }
  90
  91         @Override
  92         public List<String> validate(String contentUri, ExportContext context, Variant options) {
  93                 return Collections.emptyList();
  94         }
  95
  96 }