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

   1 package org.simantics.district.route.ui.handlers;
   2
   3 import java.util.Collections;
   4 import java.util.List;
   5 import java.util.concurrent.CompletableFuture;
   6
   7 import javax.inject.Named;
   8
   9 import org.eclipse.e4.core.di.annotations.CanExecute;
  10 import org.eclipse.e4.core.di.annotations.Execute;
  11 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  12 import org.eclipse.e4.ui.services.IServiceConstants;
  13 import org.eclipse.jface.viewers.ISelection;
  14 import org.eclipse.swt.widgets.Display;
  15 import org.eclipse.swt.widgets.Shell;
  16 import org.simantics.Simantics;
  17 import org.simantics.db.Resource;
  18 import org.simantics.db.exception.DatabaseException;
  19 import org.simantics.district.network.ui.DistrictNetworkUIUtil;
  20 import org.simantics.district.route.Route;
  21 import org.simantics.district.route.RouteJob;
  22 import org.simantics.district.route.RouterConfiguration;
  23 import org.simantics.utils.ui.ISelectionUtils;
  24 import org.simantics.utils.ui.SWTUtils;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 /**
  29  * @author Tuukka Lehtonen
  30  */
  31 public class SelectRouteOnDiagram {
  32
  33     private static final Logger LOGGER = LoggerFactory.getLogger(SelectRouteOnDiagram.class);
  34
  35     @CanExecute
  36     public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
  37         return ISelectionUtils.filterSingleSelection(selection, Route.class) != null;
  38     }
  39
  40     @Execute
  41     public void execute(@Named(IServiceConstants.ACTIVE_SHELL) Shell activeShell,
  42             @Named(IServiceConstants.ACTIVE_PART) MPart part,
  43             @Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
  44         // get selected route
  45         Route route = ISelectionUtils.filterSingleSelection(selection, Route.class);
  46         if (route == null)
  47             return;
  48
  49         Display display = activeShell.getDisplay();
  50         CompletableFuture<List<Resource>> result = new CompletableFuture<>();
  51         result
  52         .exceptionally(e -> Collections.emptyList())
  53         .thenAccept(dnElements -> {
  54             if (!dnElements.isEmpty()) {
  55                 try {
  56                     openDiagram(display, dnElements);
  57                 } catch (DatabaseException e) {
  58                     LOGGER.error("Failed to open district network diagram with selection {}", dnElements); //$NON-NLS-1$
  59                 }
  60             }
  61         });
  62
  63         RouterConfiguration config = new RouterConfiguration();
  64         new RouteJob(config, route, result).schedule();
  65     }
  66
  67     public static boolean openDiagram(Display display, List<Resource> dnElements) throws DatabaseException {
  68         if (dnElements.isEmpty())
  69             return false;
  70
  71         DistrictNetworkUIUtil.Input in = Simantics.getSession().syncRequest(
  72                 new DistrictNetworkUIUtil.ElementToInput(dnElements.get(0)));
  73         if (in == null)
  74             return false;
  75
  76         SWTUtils.asyncExec(display,
  77                 () -> DistrictNetworkUIUtil.openDNDiagramEditorWithSelection(in, dnElements.toArray()));
  78         return true;
  79     }
  80
  81 }