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                 Rectangle bounds = getBounds();\r
  46                 ColorHelper.executeWithDifferentBackground(gc, BitVectorFormatter.formatAsColor(end),\r
  47                                 () -> gc.fillOval(bounds.x, bounds.y, CIRCLE_DIAM, CIRCLE_DIAM));\r
  48         }\r
  49 \r
  50         public void setLogicModelBinding(ReadEnd end)\r
  51         {\r
  52                 deregisterLogicObs(this.end);\r
  53                 this.end = end;\r
  54                 registerLogicObs(end);\r
  55         }\r
  56 \r
  57         private void registerLogicObs(LogicObservable observable)\r
  58         {\r
  59                 if (observable != null)\r
  60                         observable.registerObserver(logicObs);\r
  61         }\r
  62 \r
  63         private void deregisterLogicObs(LogicObservable observable)\r
  64         {\r
  65                 if (observable != null)\r
  66                         observable.deregisterObserver(logicObs);\r
  67         }\r
  68 \r
  69         public int getLogicWidth()\r
  70         {\r
  71                 return logicWidth;\r
  72         }\r
  73 \r
  74         public Pin getPin()\r
  75         {\r
  76                 return pin;\r
  77         }\r
  78 \r
  79         @Override\r
  80         public Map<String, Object> getInstantiationParameters()\r
  81         {\r
  82                 Map<String, Object> m = super.getInstantiationParameters();\r
  83                 m.put(SimpleRectangularGUIGate.kLogicWidth, logicWidth);\r
  84                 return m;\r
  85         }\r
  86 \r
  87 }