org.simantics.district.network.ui/src/org/simantics/district/network/ui/contributions/DrawMapToggleHandler.java

   1 package org.simantics.district.network.ui.contributions;
   2
   3 import java.util.List;
   4
   5 import javax.inject.Named;
   6
   7 import org.eclipse.core.runtime.IProgressMonitor;
   8 import org.eclipse.core.runtime.IStatus;
   9 import org.eclipse.core.runtime.Status;
  10 import org.eclipse.core.runtime.jobs.Job;
  11 import org.eclipse.e4.core.di.annotations.CanExecute;
  12 import org.eclipse.e4.core.di.annotations.Execute;
  13 import org.eclipse.e4.ui.services.IServiceConstants;
  14 import org.eclipse.jface.viewers.ISelection;
  15 import org.simantics.DatabaseJob;
  16 import org.simantics.Simantics;
  17 import org.simantics.db.Resource;
  18 import org.simantics.db.WriteGraph;
  19 import org.simantics.db.common.request.WriteRequest;
  20 import org.simantics.db.exception.DatabaseException;
  21 import org.simantics.db.layer0.SelectionHints;
  22 import org.simantics.district.network.DistrictNetworkUtil;
  23 import org.simantics.district.network.ui.internal.Activator;
  24 import org.simantics.utils.ui.ISelectionUtils;
  25
  26 public class DrawMapToggleHandler {
  27
  28     @CanExecute
  29     public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
  30         final List<Resource> diagrams = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);
  31         return diagrams.size() > 0;
  32     }
  33
  34     @Execute
  35     public void execute(@Named(IServiceConstants.ACTIVE_SELECTION) Object selection) {
  36         final List<Resource> diagrams = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);
  37         Job job = new DatabaseJob("Toggle draw map") {
  38
  39             @Override
  40             protected IStatus run(IProgressMonitor monitor) {
  41                 try {
  42                     Simantics.getSession().syncRequest(new WriteRequest() {
  43
  44                         @Override
  45                         public void perform(WriteGraph graph) throws DatabaseException {
  46                             DistrictNetworkUtil.toggleDrawMap(graph, diagrams.get(0));
  47                         }
  48                     });
  49                 } catch (DatabaseException e) {
  50                     return new Status(IStatus.ERROR, Activator.PLUGIN_ID, getName() + " failed.", e);
  51                 }
  52                 return Status.OK_STATUS;
  53             }
  54         };
  55         job.setUser(true);
  56         job.schedule();
  57     }
  58 }