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 javax.xml.bind.DataBindingException;
   9
  10 import org.simantics.Simantics;
  11 import org.simantics.db.Resource;
  12 import org.simantics.db.WriteGraph;
  13 import org.simantics.db.common.CommentMetadata;
  14 import org.simantics.db.common.request.WriteRequest;
  15 import org.simantics.db.exception.DatabaseException;
  16 import org.simantics.diagram.elements.ElementTransforms;
  17 import org.simantics.diagram.elements.ElementTransforms.TransformedObject;
  18 import org.simantics.diagram.stubs.DiagramResource;
  19 import org.simantics.district.network.ModelledCRS;
  20 import org.simantics.district.network.ontology.DistrictNetworkResource;
  21 import org.simantics.g2d.canvas.Hints;
  22 import org.simantics.g2d.diagram.participant.pointertool.TranslateMode;
  23 import org.simantics.g2d.element.ElementUtils;
  24 import org.simantics.g2d.element.IElement;
  25
  26 public class DNTranslateMode extends TranslateMode {
  27
  28     public DNTranslateMode(Point2D startingPoint, Point2D currentPoint, int mouseId, Collection<IElement> elements) {
  29         super(startingPoint, currentPoint, mouseId, elements);
  30     }
  31
  32     @Override
  33     protected boolean commit() {
  34         try {
  35             Simantics.getSession().syncRequest(new WriteRequest() {
  36                 @Override
  37                 public void perform(WriteGraph graph) throws DatabaseException {
  38                     Collection<TransformedObject> transformed = new ArrayList<TransformedObject>();
  39                     DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
  40                     DiagramResource DIA = DiagramResource.getInstance(graph);
  41                     for (IElement e : elementsToReallyTranslate) {
  42
  43
  44                         Object obj = ElementUtils.getObject(e);
  45                         if (obj instanceof Resource && graph.isInstanceOf((Resource) obj, DN.Vertex)) {
  46
  47                             Resource res = (Resource) obj;
  48
  49                             // Read current location from graph
  50                             double[] currentCoords = graph.getRelatedValue2(res, DIA.HasLocation);
  51
  52                             double x = ModelledCRS.longitudeToX(currentCoords[0]);
  53                             double y = ModelledCRS.latitudeToY(currentCoords[1]);
  54
  55                             AffineTransform at = ElementUtils.getLocalTransform(e, new AffineTransform());
  56                             if (graph.isInstanceOf(res, DN.Vertex)) {
  57
  58                                 double lat = ModelledCRS.yToLatitude(y + (dy / at.getScaleY()));
  59                                 double lon = ModelledCRS.xToLongitude(x + (dx / at.getScaleX()));
  60
  61                                 // write to db
  62                                 double[] coords = new double[] { lon, lat };
  63                                 graph.claimLiteral(res, DIA.HasLocation, coords);
  64                             } else {
  65                                 // fallback to normal HasTransforms
  66                                 transformed.add( new TransformedObject((Resource) obj, at) );
  67                             }
  68                         }
  69                     }
  70                     if (!transformed.isEmpty()) {
  71                         graph.markUndoPoint();
  72                         // Normal transforms
  73                         ElementTransforms.setTransformRequest(transformed).perform(graph);
  74
  75                         CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
  76                         graph.addMetadata(cm.add("Translated " + transformed.size() + " "
  77                                 + (transformed.size() == 1 ? "element" : "elements")
  78                                 + " by (" + dx + "," + dy + ") mm."));
  79                     }
  80                 }
  81             });
  82         } catch (DatabaseException e) {
  83             e.printStackTrace();
  84         }
  85
  86         for (IElement dirty : elementsToDirty)
  87             dirty.setHint(Hints.KEY_DIRTY, Hints.VALUE_SG_DIRTY);
  88
  89         setDirty();
  90         remove();
  91         return false;
  92     }
  93
  94 }