bundles/org.simantics.diagram/src/org/simantics/diagram/scl/SymbolLibrary.java

   1 package org.simantics.diagram.scl;
   2
   3 import java.awt.Color;
   4
   5 import org.simantics.db.Resource;
   6 import org.simantics.diagram.symbollibrary.ISymbolItem;
   7 import org.simantics.g2d.canvas.Hints;
   8 import org.simantics.g2d.canvas.ICanvasContext;
   9 import org.simantics.g2d.canvas.impl.CanvasContext;
  10 import org.simantics.g2d.diagram.DiagramClass;
  11 import org.simantics.g2d.diagram.DiagramHints;
  12 import org.simantics.g2d.diagram.IDiagram;
  13 import org.simantics.g2d.diagram.handler.PickRequest.PickPolicy;
  14 import org.simantics.g2d.diagram.handler.layout.FlowLayout;
  15 import org.simantics.g2d.diagram.impl.Diagram;
  16 import org.simantics.g2d.diagram.participant.DiagramParticipant;
  17 import org.simantics.g2d.diagram.participant.ElementInteractor;
  18 import org.simantics.g2d.diagram.participant.ElementPainter;
  19 import org.simantics.g2d.diagram.participant.Selection;
  20 import org.simantics.g2d.diagram.participant.pointertool.PointerInteractor;
  21 import org.simantics.g2d.element.ElementClass;
  22 import org.simantics.g2d.element.ElementHints;
  23 import org.simantics.g2d.element.IElement;
  24 import org.simantics.g2d.element.handler.StaticSymbol;
  25 import org.simantics.g2d.element.impl.Element;
  26 import org.simantics.g2d.gallery.GalleryItemSGNode;
  27 import org.simantics.g2d.image.DefaultImages;
  28 import org.simantics.g2d.image.Image;
  29 import org.simantics.g2d.participant.BackgroundPainter;
  30 import org.simantics.g2d.participant.KeyToCommand;
  31 import org.simantics.g2d.participant.KeyUtil;
  32 import org.simantics.g2d.participant.MouseUtil;
  33 import org.simantics.g2d.participant.SymbolUtil;
  34 import org.simantics.g2d.participant.TransformUtil;
  35 import org.simantics.g2d.tooltip.TooltipParticipant;
  36 import org.simantics.scenegraph.g2d.events.command.CommandKeyBinding;
  37 import org.simantics.utils.datastructures.hints.IHintContext;
  38 import org.simantics.utils.threads.AWTThread;
  39 import org.simantics.utils.threads.IThreadWorkQueue;
  40
  41 public class SymbolLibrary {
  42
  43         public static ICanvasContext create(ISymbolItem item) {
  44                 IDiagram diagram =  Diagram.spawnNew(DiagramClass.DEFAULT);
  45         diagram.setHint(FlowLayout.HGAP, 5.0);
  46         diagram.setHint(FlowLayout.VGAP, 5.0);
  47         IThreadWorkQueue thread = AWTThread.getThreadAccess();
  48         CanvasContext ctx = new CanvasContext(thread);
  49         initializeCanvasContext(ctx);
  50         IHintContext hintCtx = ctx.getDefaultHintContext();
  51         hintCtx.setHint(DiagramHints.KEY_DIAGRAM, diagram);
  52
  53         ElementClass ec = item.getElementClass(diagram);
  54         StaticSymbol ss = ec.getSingleItem(StaticSymbol.class);
  55         Image source = ss == null ? DefaultImages.UNKNOWN2.get() : ss.getImage();
  56         //ImageProxy proxy = new ImageProxy(source);
  57
  58         IElement element = Element.spawnNew(ec);
  59         element.setHint(ElementHints.KEY_OBJECT, item);
  60         element.setHint(GalleryItemSGNode.KEY_IMAGE, source);
  61         diagram.addElement(element);
  62
  63         //element.getElementClass().getSingleItem(GalleryItemSGNode.class).update(element);
  64
  65         return ctx;
  66         }
  67
  68         public static Resource getItemResource(ISymbolItem item) {
  69                 return item.getAdapter(Resource.class);
  70         }
  71
  72          private static void initializeCanvasContext(final CanvasContext canvasContext) {
  73                 // Create canvas context and a layer of interactors
  74                 final IHintContext h = canvasContext.getDefaultHintContext();
  75
  76                 // Support & Util Participants
  77                 canvasContext.add( new TransformUtil() );
  78
  79                 canvasContext.add( new MouseUtil() );
  80                 canvasContext.add( new KeyUtil() );
  81                 canvasContext.add( new SymbolUtil() );
  82
  83                 // Grid & Ruler & Background
  84                 h.setHint(Hints.KEY_BACKGROUND_COLOR, Color.WHITE);
  85                 canvasContext.add( new BackgroundPainter() );
  86
  87                 // Key bindings
  88                 canvasContext.add( new KeyToCommand( CommandKeyBinding.DEFAULT_BINDINGS ) );
  89
  90                 ////// Diagram Participants //////
  91                 PointerInteractor pi = new PointerInteractor(true, true, false, true, false, null);
  92                 pi.setBoxSelectMode(PickPolicy.PICK_INTERSECTING_OBJECTS);
  93                 canvasContext.add( pi );
  94                 canvasContext.add( new Selection() );
  95                 canvasContext.add( new DiagramParticipant() );
  96                 canvasContext.add( new ElementPainter() );
  97                 canvasContext.add( new ElementInteractor() );
  98                 canvasContext.add( new TooltipParticipant());
  99
 100                 h.setHint(ElementPainter.KEY_SELECTION_FRAME_COLOR, Color.WHITE);
 101                 h.setHint(ElementPainter.KEY_SELECTION_CONTENT_COLOR, new Color(0.7f, 0.7f, 1.f, 0.5f));
 102                 h.setHint(Hints.KEY_TOOL, Hints.POINTERTOOL);
 103
 104
 105                 canvasContext.assertParticipantDependencies();
 106             }
 107
 108 }