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

   1 package org.simantics.district.route.ui.handlers;
   2
   3 import java.util.List;
   4 import java.util.concurrent.CompletableFuture;
   5
   6 import javax.inject.Named;
   7
   8 import org.eclipse.e4.core.di.annotations.CanExecute;
   9 import org.eclipse.e4.core.di.annotations.Execute;
  10 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  11 import org.eclipse.e4.ui.services.IServiceConstants;
  12 import org.eclipse.jface.viewers.ISelection;
  13 import org.eclipse.swt.widgets.Display;
  14 import org.eclipse.swt.widgets.Shell;
  15 import org.simantics.Simantics;
  16 import org.simantics.db.Resource;
  17 import org.simantics.db.exception.DatabaseException;
  18 import org.simantics.district.network.ui.DistrictNetworkUIUtil;
  19 import org.simantics.district.route.Route;
  20 import org.simantics.district.route.RouteJob;
  21 import org.simantics.district.route.RouterConfiguration;
  22 import org.simantics.utils.ui.ISelectionUtils;
  23 import org.simantics.utils.ui.SWTUtils;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 /**
  28  * @author Tuukka Lehtonen
  29  */
  30 public class SelectRouteOnDiagram {
  31
  32     private static final Logger LOGGER = LoggerFactory.getLogger(SelectRouteOnDiagram.class);
  33
  34     @CanExecute
  35     public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
  36         return ISelectionUtils.filterSingleSelection(selection, Route.class) != null;
  37     }
  38
  39     @Execute
  40     public void execute(@Named(IServiceConstants.ACTIVE_SHELL) Shell activeShell,
  41             @Named(IServiceConstants.ACTIVE_PART) MPart part,
  42             @Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
  43         // get selected route
  44         Route route = ISelectionUtils.filterSingleSelection(selection, Route.class);
  45         if (route == null)
  46             return;
  47
  48         Display display = activeShell.getDisplay();
  49         CompletableFuture<List<Resource>> result = new CompletableFuture<>();
  50         result.thenAccept(dnElements -> {
  51             try {
  52                 openDiagram(display, dnElements);
  53             } catch (DatabaseException e) {
  54                 LOGGER.error("Failed to open district network diagram with selection {}", dnElements);
  55             }
  56         });
  57
  58         RouterConfiguration config = new RouterConfiguration();
  59         new RouteJob(config, route, result).schedule();
  60     }
  61
  62     public static boolean openDiagram(Display display, List<Resource> dnElements) throws DatabaseException {
  63         if (dnElements.isEmpty())
  64             return false;
  65
  66         DistrictNetworkUIUtil.Input in = Simantics.getSession().syncRequest(
  67                 new DistrictNetworkUIUtil.ElementToInput(dnElements.get(0)));
  68         if (in == null)
  69             return false;
  70
  71         SWTUtils.asyncExec(display,
  72                 () -> DistrictNetworkUIUtil.openDNDiagramEditorWithSelection(in, dnElements.toArray()));
  73         return true;
  74     }
  75
  76 }