org.simantics.district.route.ui/src/org/simantics/district/route/ui/handlers/SelectRouteOnDiagram.java

   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.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.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 /**
  27  * @author Tuukka Lehtonen
  28  */
  29 public class SelectRouteOnDiagram {
  30
  31     private static final Logger LOGGER = LoggerFactory.getLogger(SelectRouteOnDiagram.class);
  32
  33     @CanExecute
  34     public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
  35         return ISelectionUtils.filterSingleSelection(selection, Route.class) != null;
  36     }
  37
  38     @Execute
  39     public void execute(@Named(IServiceConstants.ACTIVE_SHELL) Shell activeShell,
  40             @Named(IServiceConstants.ACTIVE_PART) MPart part,
  41             @Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
  42         // get selected route
  43         Route route = ISelectionUtils.filterSingleSelection(selection, Route.class);
  44         if (route == null)
  45             return;
  46
  47         Display display = activeShell.getDisplay();
  48         CompletableFuture<List<Resource>> result = new CompletableFuture<>();
  49         result
  50         .exceptionally(e -> Collections.emptyList())
  51         .thenAccept(dnElements -> {
  52             if (!dnElements.isEmpty()) {
  53                 try {
  54                     DistrictNetworkUIUtil.openDNDiagramWithSelection(display, dnElements);
  55                 } catch (DatabaseException e) {
  56                     LOGGER.error("Failed to open district network diagram with selection {}", dnElements); //$NON-NLS-1$
  57                 }
  58             }
  59         });
  60
  61         RouterConfiguration config = new RouterConfiguration();
  62         new RouteJob(config, route, result).schedule();
  63     }
  64 }