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.TransformedObject;
  15 import org.simantics.diagram.stubs.DiagramResource;
  16 import org.simantics.district.network.ontology.DistrictNetworkResource;
  17 import org.simantics.g2d.canvas.Hints;
  18 import org.simantics.g2d.diagram.participant.pointertool.TranslateMode;
  19 import org.simantics.g2d.element.ElementUtils;
  20 import org.simantics.g2d.element.IElement;
  21 import org.simantics.g2d.element.handler.Move;
  22
  23 public class DNTranslateMode extends TranslateMode {
  24
  25     public DNTranslateMode(Point2D startingPoint, Point2D currentPoint, int mouseId, Collection<IElement> elements) {
  26         super(startingPoint, currentPoint, mouseId, elements);
  27     }
  28
  29     @Override
  30     protected boolean commit() {
  31         for (IElement el : elementsToReallyTranslate) {
  32             Move move = el.getElementClass().getAtMostOneItemOfClass(Move.class);
  33             if (move != null) {
  34                 Point2D oldPos = move.getPosition(el);
  35                 move.moveTo(el, oldPos.getX() + dx, oldPos.getY() + dy);
  36             }
  37         }
  38         try {
  39             Simantics.getSession().syncRequest(new WriteRequest() {
  40                 @Override
  41                 public void perform(WriteGraph graph) throws DatabaseException {
  42                     Collection<TransformedObject> transformed = new ArrayList<TransformedObject>();
  43                     DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
  44                     DiagramResource DIA = DiagramResource.getInstance(graph);
  45                     for (IElement e : elementsToReallyTranslate) {
  46                         Object obj = ElementUtils.getObject(e);
  47                         if (obj instanceof Resource) {
  48                             Resource res = (Resource) obj;
  49                             if (graph.isInstanceOf(res, DN.Vertex)) {
  50                                 AffineTransform at = ElementUtils.getLocalTransform(e, new AffineTransform());
  51                                 transformed.add( new TransformedObject((Resource) obj, at) );
  52
  53
  54                                 // write to db
  55                                 double[] coords = new double[] { at.getTranslateX(), at.getTranslateY() };
  56                                 graph.claimLiteral(res, DIA.HasLocation, coords);
  57                             }
  58                         }
  59                     }
  60
  61                     if (!transformed.isEmpty()) {
  62                         CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
  63                         graph.addMetadata(cm.add("Translated " + transformed.size() + " "
  64                                 + (transformed.size() == 1 ? "element" : "elements")
  65                                 + " by (" + dx + "," + dy + ") mm."));
  66                         graph.markUndoPoint();
  67                     }
  68                 }
  69             });
  70         } catch (DatabaseException e) {
  71             e.printStackTrace();
  72         }
  73
  74         for (IElement dirty : elementsToDirty)
  75             dirty.setHint(Hints.KEY_DIRTY, Hints.VALUE_SG_DIRTY);
  76
  77         setDirty();
  78         remove();
  79         return false;
  80     }
  81
  82 }