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

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