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

   1 package org.simantics.district.network.ui.contributions;
   2
   3 import java.awt.geom.AffineTransform;
   4 import java.awt.geom.NoninvertibleTransformException;
   5 import java.awt.geom.Point2D;
   6 import java.lang.reflect.InvocationTargetException;
   7 import java.util.Collection;
   8 import java.util.List;
   9 import java.util.Optional;
  10 import java.util.concurrent.TimeUnit;
  11
  12 import javax.inject.Named;
  13
  14 import org.eclipse.core.commands.ParameterizedCommand;
  15 import org.eclipse.e4.core.di.annotations.CanExecute;
  16 import org.eclipse.e4.core.di.annotations.Execute;
  17 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  18 import org.eclipse.e4.ui.services.IServiceConstants;
  19 import org.eclipse.jface.viewers.ISelection;
  20 import org.eclipse.ui.IEditorPart;
  21 import org.simantics.Simantics;
  22 import org.simantics.databoard.Bindings;
  23 import org.simantics.db.ReadGraph;
  24 import org.simantics.db.Resource;
  25 import org.simantics.db.WriteGraph;
  26 import org.simantics.db.common.request.ReadRequest;
  27 import org.simantics.db.common.request.WriteRequest;
  28 import org.simantics.db.exception.DatabaseException;
  29 import org.simantics.db.layer0.SelectionHints;
  30 import org.simantics.db.layer0.util.RemoverUtil;
  31 import org.simantics.db.request.Read;
  32 import org.simantics.diagram.stubs.DiagramResource;
  33 import org.simantics.district.network.DistrictNetworkUtil;
  34 import org.simantics.district.network.ModelledCRS;
  35 import org.simantics.district.network.ontology.DistrictNetworkResource;
  36 import org.simantics.district.network.ui.DNEdgeBuilder;
  37 import org.simantics.district.network.ui.DistrictDiagramEditor;
  38 import org.simantics.district.network.ui.NetworkDrawingParticipant;
  39 import org.simantics.g2d.canvas.ICanvasContext;
  40 import org.simantics.g2d.participant.MouseUtil;
  41 import org.simantics.g2d.participant.MouseUtil.MouseInfo;
  42 import org.simantics.maps.elevation.server.SingletonTiffTileInterface;
  43 import org.simantics.maps.elevation.server.prefs.MapsElevationServerPreferences;
  44 import org.simantics.ui.workbench.e4.E4WorkbenchUtils;
  45 import org.simantics.utils.threads.ThreadUtils;
  46 import org.simantics.utils.ui.ISelectionUtils;
  47 import org.slf4j.Logger;
  48 import org.slf4j.LoggerFactory;
  49
  50 public class ChangeVertexToRoutePointHandler {
  51
  52     private static final Logger LOGGER = LoggerFactory.getLogger(ChangeVertexToRoutePointHandler.class);
  53     static List<Resource> elements;
  54     static boolean cut = true;
  55
  56     @CanExecute
  57     public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
  58         List<Resource> elements = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);
  59         if (elements.size() != 1)
  60             return false;
  61         try {
  62             return Simantics.getSession().syncRequest(new Read<Boolean>() {
  63
  64                 @Override
  65                 public Boolean perform(ReadGraph graph) throws DatabaseException {
  66                     DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
  67                     for (Resource selection : elements) {
  68                         if (graph.isInstanceOf(selection, DN.Vertex)) {
  69                             Collection<Resource> startingEdge = graph.getObjects(selection, DN.HasStartVertex_Inverse);
  70                             Collection<Resource> endingEdge = graph.getObjects(selection, DN.HasEndVertex_Inverse);
  71                             return startingEdge.size() == 1 && endingEdge.size() == 1;
  72                         }
  73                     }
  74                     return false;
  75                 }
  76             });
  77         } catch (DatabaseException e) {
  78             LOGGER.error("Could not evaluate if mapping can be changed for selection {}", elements, e);
  79             return false;
  80         }
  81     }
  82
  83     @Execute
  84     public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart mActiveEditorPart, @Named(IServiceConstants.ACTIVE_SELECTION) Object selection, ParameterizedCommand command) {
  85         final List<Resource> elements = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);
  86
  87         Resource vertex = elements.get(0);
  88         try {
  89             Point2D mouseClicked = mouseClickedOnEditor(mActiveEditorPart);
  90             if (mouseClicked != null) {
  91
  92                 IEditorPart activeEditorPart = E4WorkbenchUtils.getActiveIEditorPart(mActiveEditorPart);
  93                 if (activeEditorPart == null)
  94                     return;
  95                 if (!(activeEditorPart instanceof DistrictDiagramEditor))
  96                     return;
  97                 DistrictDiagramEditor editor = (DistrictDiagramEditor) activeEditorPart;
  98                 Resource diagram = editor.getInputResource();
  99
 100                 Simantics.getSession().asyncRequest(new WriteRequest() {
 101
 102                     @Override
 103                     public void perform(WriteGraph graph) throws DatabaseException {
 104                         DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
 105                         DiagramResource DIA = DiagramResource.getInstance(graph);
 106                         // we support only single start & end edge
 107                         Resource startingEdge = graph.getSingleObject(vertex, DN.HasEndVertex_Inverse);
 108                         Resource endingEdge = graph.getSingleObject(vertex, DN.HasStartVertex_Inverse);
 109                         double[] startingDetailed = graph.getPossibleRelatedValue(startingEdge, DN.Edge_HasGeometry);
 110                         double[] endingDetailed = graph.getPossibleRelatedValue(endingEdge, DN.Edge_HasGeometry);
 111                         Resource endingVertex = graph.getSingleObject(endingEdge, DN.HasEndVertex);
 112                         int length = startingDetailed.length + 2 + endingDetailed.length;
 113                         double[] newDetailed = new double[length];
 114                         for (int i = 0; i < startingDetailed.length; i++) {
 115                             double d = startingDetailed[i];
 116                             newDetailed[i] = d;
 117                         }
 118                         double[] coords = graph.getRelatedValue2(vertex, DIA.HasLocation);
 119                         int currentVertexIndex = startingDetailed.length;
 120                         newDetailed[currentVertexIndex] = coords[0];
 121                         newDetailed[currentVertexIndex + 1] = coords[1];
 122                         int f = startingDetailed.length +  2;
 123                         for (int i = 0; i < endingDetailed.length; i++) {
 124                             double d = endingDetailed[i];
 125                             newDetailed[f + i] = d;
 126                         }
 127                         graph.deny(startingEdge, DN.Edge_HasGeometry);
 128                         graph.claimLiteral(startingEdge, DN.Edge_HasGeometry, newDetailed, Bindings.DOUBLE_ARRAY);
 129
 130                         graph.deny(startingEdge, DN.HasEndVertex);
 131                         graph.claim(startingEdge, DN.HasEndVertex, endingVertex);
 132
 133                         RemoverUtil.remove(graph, vertex);
 134                     }
 135                 });
 136             } else {
 137                 LOGGER.warn("No mouseClicked for editor {}", mActiveEditorPart);
 138             }
 139         } catch (InvocationTargetException e) {
 140             LOGGER.error("Could not change route point to vertex", e);
 141         }
 142     }
 143
 144     private static Point2D mouseClickedOnEditor(MPart mActiveEditorPart) throws InvocationTargetException {
 145         IEditorPart activeEditorPart = E4WorkbenchUtils.getActiveIEditorPart(mActiveEditorPart);
 146         if (activeEditorPart == null)
 147             return null;
 148         if (!(activeEditorPart instanceof DistrictDiagramEditor))
 149             return null;
 150         DistrictDiagramEditor editor = (DistrictDiagramEditor) activeEditorPart;
 151
 152         ICanvasContext ctx = editor.getAdapter(ICanvasContext.class);
 153         NetworkDrawingParticipant drawingParticipant = ctx.getAtMostOneItemOfClass(NetworkDrawingParticipant.class);
 154         AffineTransform drawingTransform = drawingParticipant.getTransform();
 155         MouseUtil util = ctx.getAtMostOneItemOfClass(MouseUtil.class);
 156         MouseInfo mouseInfo = util.getMousePressedInfo(0);
 157         if (mouseInfo == null) {
 158             return null;
 159         }
 160         Point2D canvasPosition = mouseInfo.canvasPosition;
 161         Point2D transformed = null;
 162         try {
 163             transformed = drawingTransform.inverseTransform(canvasPosition, new Point2D.Double());
 164         } catch (NoninvertibleTransformException e) {
 165             LOGGER.error("Could not create inverse transform of {}", drawingTransform, e);
 166             throw new InvocationTargetException(e);
 167         }
 168         double x = ModelledCRS.xToLongitude(transformed.getX());
 169         double y = ModelledCRS.yToLatitude(-transformed.getY());
 170         return new Point2D.Double(x, y);
 171     }
 172 }