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.eclipse.core.runtime.SubMonitor;
  10 import org.osgi.service.prefs.Preferences;
  11 import org.simantics.databoard.binding.mutable.Variant;
  12 import org.simantics.databoard.type.RecordType;
  13 import org.simantics.db.ReadGraph;
  14 import org.simantics.db.Resource;
  15 import org.simantics.db.exception.DatabaseException;
  16 import org.simantics.db.layer0.adapter.CopyHandler;
  17 import org.simantics.db.layer0.util.ClipboardUtils;
  18 import org.simantics.db.layer0.util.SimanticsClipboard;
  19 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
  20 import org.simantics.db.layer0.util.SimanticsClipboardImpl;
  21 import org.simantics.db.layer0.util.SimanticsKeys;
  22 import org.simantics.db.request.Read;
  23 import org.simantics.export.core.ExportContext;
  24 import org.simantics.export.core.error.ExportException;
  25 import org.simantics.export.core.intf.ExportClass;
  26 import org.simantics.export.core.manager.Content;
  27 import org.simantics.export.core.manager.TransferableGraphWriter;
  28 import org.simantics.export.core.util.ExportQueries;
  29 import org.simantics.graph.representation.TransferableGraph1;
  30 import org.simantics.utils.datastructures.MapList;
  31
  32 public class DrawingTemplateExporter implements ExportClass {
  33
  34         @Override
  35         public RecordType options(ExportContext context, Collection<String> content) throws ExportException {
  36                 // TODO Auto-generated method stub
  37                 return null;
  38         }
  39
  40         @Override
  41         public void fillDefaultPrefs(ExportContext ctx, Variant options) throws ExportException {
  42                 // TODO Auto-generated method stub
  43         }
  44
  45         @Override
  46         public void savePref(Variant options, Preferences contentScopeNode, Preferences workbenchScopeNode) throws ExportException {
  47                 // TODO Auto-generated method stub
  48         }
  49
  50         @Override
  51         public void loadPref(Variant options, Preferences contentScopeNode, Preferences workbenchScopeNode) throws ExportException {
  52                 // TODO Auto-generated method stub
  53         }
  54
  55         @Override
  56         public void export(List<Content> contents,
  57                         Object writer_,
  58                         ExportContext context,
  59                         Variant options,
  60                         IProgressMonitor monitor,
  61                         MapList<Content, Content> attachmentMap
  62                         ) throws ExportException {
  63
  64                 final TransferableGraphWriter writer = (TransferableGraphWriter) writer_;
  65                 SubMonitor ss = SubMonitor.convert(monitor, 2);
  66         try {
  67                 List<Resource> resources = context.session.syncRequest( ExportQueries.toResources2(contents) );
  68                 SubMonitor subMonitor = ss.split(resources.size());
  69                 for ( final Resource model : resources ) {
  70                     // TODO: figure out a way to make the TG go directly into a file
  71                     // instead of having it all in memory at once.
  72                     SimanticsClipboard clipboard = context.session.syncRequest(new Read<SimanticsClipboard>() {
  73                         @Override
  74                         public SimanticsClipboard perform(ReadGraph graph) throws DatabaseException {
  75                             CopyHandler ch = graph.adapt( model, CopyHandler.class );
  76                             SimanticsClipboardImpl clipboard = new SimanticsClipboardImpl();
  77                             ch.copyToClipboard(graph, clipboard, subMonitor.split(1));
  78                             return clipboard;
  79                         }
  80                     });
  81                     SubMonitor subMonitor2 = ss.split(resources.size());
  82                     for (Set<Representation> object : clipboard.getContents()) {
  83                         TransferableGraph1 tg = ClipboardUtils.accept(object, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
  84                         writer.writeFile(TransferableGraph1.BINDING, tg);
  85                         subMonitor2.worked(1);
  86                     }
  87                 }
  88
  89         } catch (DatabaseException e) {
  90                 throw new ExportException(e);
  91                 }
  92
  93         }
  94
  95         @Override
  96         public List<String> validate(String contentUri, ExportContext context, Variant options) {
  97                 return Collections.emptyList();
  98         }
  99
 100 }