LogicUI/src/era/mi/gui/model/wires/GUIWire.java

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