net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/wires/WireCrossPoint.java

   1 package net.mograsim.logic.ui.model.wires;
   2
   3 import java.util.Map;
   4
   5 import net.haspamelodica.swt.helper.gcs.GeneralGC;
   6 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
   7 import net.mograsim.logic.core.LogicObservable;
   8 import net.mograsim.logic.core.LogicObserver;
   9 import net.mograsim.logic.core.types.BitVectorFormatter;
  10 import net.mograsim.logic.core.wires.Wire.ReadEnd;
  11 import net.mograsim.logic.ui.ColorHelper;
  12 import net.mograsim.logic.ui.model.ModelVisitor;
  13 import net.mograsim.logic.ui.model.ViewModelModifiable;
  14 import net.mograsim.logic.ui.model.components.GUIComponent;
  15 import net.mograsim.logic.ui.model.components.SimpleRectangularGUIGate;
  16
  17 public class WireCrossPoint extends GUIComponent
  18 {
  19         private static final int CIRCLE_RADIUS = 1;
  20         private static final int CIRCLE_DIAM = CIRCLE_RADIUS * 2;
  21
  22         private final Pin pin;
  23         private final int logicWidth;
  24
  25         private final LogicObserver logicObs;
  26         private ReadEnd end;
  27
  28         public WireCrossPoint(ViewModelModifiable model, int logicWidth)
  29         {
  30                 super(model);
  31                 logicObs = (i) -> requestRedraw();
  32
  33                 this.logicWidth = logicWidth;
  34                 setSize(CIRCLE_DIAM, CIRCLE_DIAM);
  35                 addPin(this.pin = new Pin(this, "", logicWidth, CIRCLE_RADIUS, CIRCLE_RADIUS));
  36         }
  37
  38         public void moveCenterTo(double x, double y)
  39         {
  40                 moveTo(x - CIRCLE_RADIUS, y - CIRCLE_RADIUS);
  41         }
  42
  43         @Override
  44         public void render(GeneralGC gc, Rectangle visibleRegion)
  45         {
  46                 ColorHelper.executeWithDifferentBackground(gc, BitVectorFormatter.formatAsColor(end),
  47                                 () -> gc.fillOval(getPosX(), getPosY(), CIRCLE_DIAM, CIRCLE_DIAM));
  48         }
  49
  50         public void setLogicModelBinding(ReadEnd end)
  51         {
  52                 deregisterLogicObs(this.end);
  53                 this.end = end;
  54                 registerLogicObs(end);
  55         }
  56
  57         private void registerLogicObs(LogicObservable observable)
  58         {
  59                 if (observable != null)
  60                         observable.registerObserver(logicObs);
  61         }
  62
  63         private void deregisterLogicObs(LogicObservable observable)
  64         {
  65                 if (observable != null)
  66                         observable.deregisterObserver(logicObs);
  67         }
  68
  69         public int getLogicWidth()
  70         {
  71                 return logicWidth;
  72         }
  73
  74         public Pin getPin()
  75         {
  76                 return pin;
  77         }
  78
  79         @Override
  80         public Map<String, Object> getInstantiationParameters()
  81         {
  82                 Map<String, Object> m = super.getInstantiationParameters();
  83                 m.put(SimpleRectangularGUIGate.kLogicWidth, logicWidth);
  84                 return m;
  85         }
  86
  87         @Override
  88         public void accept(ModelVisitor mv)
  89         {
  90                 mv.visit(this);
  91         }
  92 }