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

   1 package net.mograsim.logic.ui.model.wires;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.List;\r
   5 import java.util.function.Consumer;\r
   6 \r
   7 import net.mograsim.logic.ui.ColorHelper;\r
   8 import net.mograsim.logic.ui.model.ViewModel;\r
   9 import net.haspamelodica.swt.helper.gcs.GeneralGC;\r
  10 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;\r
  11 import net.mograsim.logic.core.types.BitVectorFormatter;\r
  12 import net.mograsim.logic.core.wires.Wire.ReadEnd;\r
  13 \r
  14 public class GUIWire\r
  15 {\r
  16         private final ViewModel model;\r
  17         public final int logicWidth;\r
  18         private Pin pin1;\r
  19         private Pin pin2;\r
  20         private double[] path;\r
  21 \r
  22         private final List<Consumer<? super GUIWire>> wireLookChangedListeners;\r
  23 \r
  24         private ReadEnd end;\r
  25 \r
  26         public GUIWire(ViewModel model, Pin pin1, Pin pin2, Point... path)\r
  27         {\r
  28                 this.model = model;\r
  29                 this.logicWidth = pin1.logicWidth;\r
  30                 if (pin2.logicWidth != pin1.logicWidth)\r
  31                         throw new IllegalArgumentException("Can't connect pins of different logic width");\r
  32                 this.path = new double[path.length * 2 + 4];\r
  33                 for (int srcI = 0, dstI = 2; srcI < path.length; srcI++, dstI += 2)\r
  34                 {\r
  35                         this.path[dstI + 0] = path[srcI].x;\r
  36                         this.path[dstI + 1] = path[srcI].y;\r
  37                 }\r
  38 \r
  39                 this.pin1 = pin1;\r
  40                 this.pin2 = pin2;\r
  41 \r
  42                 wireLookChangedListeners = new ArrayList<>();\r
  43 \r
  44                 pin1.addPinMovedListener(p -> pin1Moved());\r
  45                 pin2.addPinMovedListener(p -> pin2Moved());\r
  46                 pin1Moved();\r
  47                 pin2Moved();\r
  48 \r
  49                 model.wireCreated(this);\r
  50         }\r
  51 \r
  52         private void pin1Moved()\r
  53         {\r
  54                 Point pos = pin1.getPos();\r
  55                 this.path[0] = pos.x;\r
  56                 this.path[1] = pos.y;\r
  57         }\r
  58 \r
  59         private void pin2Moved()\r
  60         {\r
  61                 Point pos = pin2.getPos();\r
  62                 this.path[this.path.length - 2] = pos.x;\r
  63                 this.path[this.path.length - 1] = pos.y;\r
  64         }\r
  65 \r
  66         public void destroy()\r
  67         {\r
  68                 model.wireDestroyed(this);\r
  69         }\r
  70 \r
  71         public void render(GeneralGC gc)\r
  72         {\r
  73                 ColorHelper.executeWithDifferentForeground(gc, BitVectorFormatter.formatAsColor(end), () -> gc.drawPolyline(path));\r
  74         }\r
  75 \r
  76         public void setLogicModelBinding(ReadEnd end)\r
  77         {\r
  78                 this.end = end;\r
  79                 end.registerObserver((i) -> callWireLookChangedListeners());\r
  80         }\r
  81 \r
  82         public Pin getPin1()\r
  83         {\r
  84                 return pin1;\r
  85         }\r
  86 \r
  87         public Pin getPin2()\r
  88         {\r
  89                 return pin2;\r
  90         }\r
  91 \r
  92         // @formatter:off\r
  93         public void addWireLookChangedListener   (Consumer<? super GUIWire> listener) {wireLookChangedListeners.add   (listener);}\r
  94 \r
  95         public void removeWireLookChangedListener(Consumer<? super GUIWire> listener) {wireLookChangedListeners.remove(listener);}\r
  96 \r
  97         private void callWireLookChangedListeners() {wireLookChangedListeners.forEach(l -> l.accept(this));}\r
  98         // @formatter:on\r
  99 \r
 100 }