gerrit.simantics Code Review - simantics/platform.git/blob

   1 package org.simantics.document.linking.actions;
   2
   3 import java.util.Collection;
   4 import java.util.Collections;
   5
   6 import org.eclipse.jface.dialogs.MessageDialog;
   7 import org.eclipse.swt.widgets.Display;
   8 import org.simantics.Simantics;
   9 import org.simantics.db.ReadGraph;
  10 import org.simantics.db.Resource;
  11 import org.simantics.db.exception.DatabaseException;
  12 import org.simantics.db.layer0.adapter.ActionFactory;
  13 import org.simantics.db.request.Read;
  14 import org.simantics.document.DocumentResource;
  15 import org.simantics.document.linking.ge.FixAllReferencesAction;
  16 import org.simantics.document.linking.utils.SourceLinkUtil;
  17 import org.simantics.utils.datastructures.Pair;
  18 import org.simantics.utils.ui.ExceptionUtils;
  19
  20
  21 public class UpdateReferencesAction implements ActionFactory {
  22
  23
  24
  25         @Override
  26         public Runnable create(Object target) {
  27                 if(!(target instanceof Resource))
  28                         return null;
  29                 final Resource document = (Resource)target;
  30                 return new Runnable() {
  31
  32                         @Override
  33                         public void run() {
  34                                 try {
  35                                         Collection<Resource> coll = Simantics.getSession().syncRequest(new Read<Collection<Resource>>() {
  36                                                 @Override
  37                                                 public Collection<Resource> perform(ReadGraph graph)
  38                                                                 throws DatabaseException {
  39                                                     return findDocumentReferences(graph, document);
  40                                                 }
  41                                         });
  42
  43                                         if (coll == null)
  44                                                 return;
  45
  46                                         String dialogTitle = "Fix References";
  47                                         String dialogMessage = "Fix " + coll.size() + " old references?";
  48                                         String dialogButtonLabels[] = new String[]{"Ok","Cancel"};
  49                                         int defaultIndex = 0;
  50                                         if (coll.size() == 0) {
  51                                                 dialogMessage = "Nothing to fix.";
  52                                                 dialogButtonLabels = new String[]{"OK"};
  53                                                 MessageDialog dialog = new MessageDialog(Display.getCurrent().getActiveShell(), dialogTitle, null, dialogMessage, MessageDialog.CONFIRM, dialogButtonLabels, defaultIndex);
  54                                                 dialog.open();
  55                                                 return;
  56                                         }
  57                                         MessageDialog dialog = new MessageDialog(Display.getCurrent().getActiveShell(), dialogTitle, null, dialogMessage, MessageDialog.CONFIRM, dialogButtonLabels, defaultIndex);
  58                                         if (dialog.open() != 0)
  59                                                 return;
  60                                         Simantics.getSession().markUndoPoint();
  61                                         fixDocumentReferences(coll);
  62                                 } catch (DatabaseException e) {
  63                                         ExceptionUtils.logAndShowError("Cannot update references",e);
  64                                 }
  65
  66
  67                         }
  68                 };
  69         }
  70
  71         public static Collection<Resource> findDocumentReferences(ReadGraph graph, Resource document) throws DatabaseException {
  72         DocumentResource doc = DocumentResource.getInstance(graph);
  73         if (!graph.hasStatement(document, doc.HasNewerVersion))
  74             return null;
  75         Resource model = SourceLinkUtil.getModel(graph, document);
  76         if (model == null)
  77             return null;
  78         return SourceLinkUtil.findAllSources(graph, model, document);
  79         }
  80
  81         public static void fixDocumentReferences(Collection<Resource> resources) throws DatabaseException {
  82         Simantics.getSession().syncRequest(new FixAllReferencesAction.FixAll(new Pair<Collection<Resource>, Collection<Resource>>(resources, Collections.<Resource> emptyList())));
  83         }
  84
  85 }