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

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