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.ontology.DistrictNetworkResource;
  18 import org.simantics.g2d.canvas.Hints;
  19 import org.simantics.g2d.diagram.participant.pointertool.TranslateMode;
  20 import org.simantics.g2d.element.ElementUtils;
  21 import org.simantics.g2d.element.IElement;
  22 import org.simantics.g2d.element.handler.Move;
  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         for (IElement el : elementsToReallyTranslate) {
  33             Move move = el.getElementClass().getAtMostOneItemOfClass(Move.class);
  34             if (move != null) {
  35                 Point2D oldPos = move.getPosition(el);
  36                 move.moveTo(el, oldPos.getX() + dx, oldPos.getY() + dy);
  37             }
  38         }
  39         try {
  40             Simantics.getSession().syncRequest(new WriteRequest() {
  41                 @Override
  42                 public void perform(WriteGraph graph) throws DatabaseException {
  43                     Collection<TransformedObject> transformed = new ArrayList<TransformedObject>();
  44                     DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
  45                     DiagramResource DIA = DiagramResource.getInstance(graph);
  46                     for (IElement e : elementsToReallyTranslate) {
  47                         Object obj = ElementUtils.getObject(e);
  48                         if (obj instanceof Resource) {
  49                             Resource res = (Resource) obj;
  50                             AffineTransform at = ElementUtils.getLocalTransform(e, new AffineTransform());
  51                             if (graph.isInstanceOf(res, DN.Vertex)) {
  52                                 // write to db
  53                                 double[] coords = new double[] { at.getTranslateX(), at.getTranslateY() };
  54                                 graph.claimLiteral(res, DIA.HasLocation, coords);
  55                             } else {
  56                                 // fallback to normal HasTransforms
  57                                 transformed.add( new TransformedObject((Resource) obj, at) );
  58                             }
  59                         }
  60                     }
  61                     if (!transformed.isEmpty()) {
  62                         graph.markUndoPoint();
  63                         // Normal transforms
  64                         ElementTransforms.setTransformRequest(transformed).perform(graph);
  65
  66                         CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
  67                         graph.addMetadata(cm.add("Translated " + transformed.size() + " "
  68                                 + (transformed.size() == 1 ? "element" : "elements")
  69                                 + " by (" + dx + "," + dy + ") mm."));
  70                     }
  71                 }
  72             });
  73         } catch (DatabaseException e) {
  74             e.printStackTrace();
  75         }
  76
  77         for (IElement dirty : elementsToDirty)
  78             dirty.setHint(Hints.KEY_DIRTY, Hints.VALUE_SG_DIRTY);
  79
  80         setDirty();
  81         remove();
  82         return false;
  83     }
  84
  85 }