org.simantics.district.network.ui/src/org/simantics/district/network/ui/participants/DNTranslateMode.java

   1 package org.simantics.district.network.ui.participants;
   2
   3 import java.awt.geom.AffineTransform;
   4 import java.awt.geom.Point2D;
   5 import java.util.ArrayList;
   6 import java.util.Collection;
   7
   8 import org.simantics.Simantics;
   9 import org.simantics.db.Resource;
  10 import org.simantics.db.WriteGraph;
  11 import org.simantics.db.common.CommentMetadata;
  12 import org.simantics.db.common.request.WriteRequest;
  13 import org.simantics.db.exception.DatabaseException;
  14 import org.simantics.diagram.elements.ElementTransforms;
  15 import org.simantics.diagram.elements.ElementTransforms.TransformedObject;
  16 import org.simantics.diagram.stubs.DiagramResource;
  17 import org.simantics.district.network.ModelledCRS;
  18 import org.simantics.district.network.ontology.DistrictNetworkResource;
  19 import org.simantics.g2d.canvas.Hints;
  20 import org.simantics.g2d.diagram.participant.pointertool.TranslateMode;
  21 import org.simantics.g2d.element.ElementUtils;
  22 import org.simantics.g2d.element.IElement;
  23
  24 public class DNTranslateMode extends TranslateMode {
  25
  26     public DNTranslateMode(Point2D startingPoint, Point2D currentPoint, int mouseId, Collection<IElement> elements) {
  27         super(startingPoint, currentPoint, mouseId, elements);
  28     }
  29
  30     @Override
  31     protected boolean commit() {
  32         try {
  33             Simantics.getSession().syncRequest(new WriteRequest() {
  34                 @Override
  35                 public void perform(WriteGraph graph) throws DatabaseException {
  36                     Collection<TransformedObject> transformed = new ArrayList<TransformedObject>();
  37                     DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
  38                     DiagramResource DIA = DiagramResource.getInstance(graph);
  39                     for (IElement e : elementsToReallyTranslate) {
  40
  41
  42                         Object obj = ElementUtils.getObject(e);
  43                         if (obj instanceof Resource && graph.isInstanceOf((Resource) obj, DN.Vertex)) {
  44
  45                             Resource res = (Resource) obj;
  46
  47                             // Read current location from graph
  48                             double[] currentCoords = graph.getRelatedValue2(res, DIA.HasLocation);
  49
  50                             double x = ModelledCRS.longitudeToX(currentCoords[0]);
  51                             double y = ModelledCRS.latitudeToY(currentCoords[1]);
  52
  53                             AffineTransform at = ElementUtils.getLocalTransform(e, new AffineTransform());
  54                             if (graph.isInstanceOf(res, DN.Vertex)) {
  55
  56                                 double lat = ModelledCRS.yToLatitude(y + (-dy / at.getScaleY()));
  57                                 double lon = ModelledCRS.xToLongitude(x + (dx / at.getScaleX()));
  58
  59                                 // write to db
  60                                 double[] coords = new double[] { lon, lat };
  61                                 graph.claimLiteral(res, DIA.HasLocation, coords);
  62                             } else {
  63                                 // fallback to normal HasTransforms
  64                                 transformed.add( new TransformedObject((Resource) obj, at) );
  65                             }
  66                         }
  67                     }
  68                     if (!transformed.isEmpty()) {
  69                         graph.markUndoPoint();
  70                         // Normal transforms
  71                         ElementTransforms.setTransformRequest(transformed).perform(graph);
  72
  73                         CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
  74                         graph.addMetadata(cm.add("Translated " + transformed.size() + " "
  75                                 + (transformed.size() == 1 ? "element" : "elements")
  76                                 + " by (" + dx + "," + -dy + ") mm."));
  77                     }
  78                 }
  79             });
  80         } catch (DatabaseException e) {
  81             e.printStackTrace();
  82         }
  83
  84         for (IElement dirty : elementsToDirty)
  85             dirty.setHint(Hints.KEY_DIRTY, Hints.VALUE_SG_DIRTY);
  86
  87         setDirty();
  88         remove();
  89         return false;
  90     }
  91
  92 }