1 package net.mograsim.logic.ui.model.wires;
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3 import java.util.ArrayList;
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4 import java.util.List;
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6 import net.haspamelodica.swt.helper.gcs.GeneralGC;
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7 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
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8 import net.mograsim.logic.core.LogicObservable;
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9 import net.mograsim.logic.core.LogicObserver;
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10 import net.mograsim.logic.core.types.BitVectorFormatter;
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11 import net.mograsim.logic.core.wires.Wire.ReadEnd;
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12 import net.mograsim.logic.ui.ColorHelper;
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13 import net.mograsim.logic.ui.model.ViewModelModifiable;
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15 public class GUIWire
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17 private final ViewModelModifiable model;
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18 public final int logicWidth;
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21 private double[] path;
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23 private final List<Runnable> redrawListeners;
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25 private final LogicObserver logicObs;
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26 private ReadEnd end;
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28 public GUIWire(ViewModelModifiable model, Pin pin1, Pin pin2, Point... path)
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30 logicObs = (i) -> callRedrawListeners();
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32 this.logicWidth = pin1.logicWidth;
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33 if (pin2.logicWidth != pin1.logicWidth)
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34 throw new IllegalArgumentException("Can't connect pins of different logic width");
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35 this.path = new double[path.length * 2 + 4];
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36 for (int srcI = 0, dstI = 2; srcI < path.length; srcI++, dstI += 2)
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38 this.path[dstI + 0] = path[srcI].x;
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39 this.path[dstI + 1] = path[srcI].y;
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45 redrawListeners = new ArrayList<>();
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47 pin1.addPinMovedListener(p -> pin1Moved());
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48 pin2.addPinMovedListener(p -> pin2Moved());
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52 model.wireCreated(this);
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55 private void pin1Moved()
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57 Point pos = pin1.getPos();
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58 this.path[0] = pos.x;
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59 this.path[1] = pos.y;
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60 callRedrawListeners();
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63 private void pin2Moved()
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65 Point pos = pin2.getPos();
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66 this.path[this.path.length - 2] = pos.x;
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67 this.path[this.path.length - 1] = pos.y;
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68 callRedrawListeners();
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71 public void destroy()
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73 model.wireDestroyed(this);
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76 public void render(GeneralGC gc)
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78 ColorHelper.executeWithDifferentForeground(gc, BitVectorFormatter.formatAsColor(end), () -> gc.drawPolyline(path));
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81 public void setLogicModelBinding(ReadEnd end)
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83 deregisterLogicObs(this.end);
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85 registerLogicObs(end);
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88 private void registerLogicObs(LogicObservable observable)
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90 if (observable != null)
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91 observable.registerObserver(logicObs);
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94 private void deregisterLogicObs(LogicObservable observable)
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96 if (observable != null)
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97 observable.deregisterObserver(logicObs);
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100 public Pin getPin1()
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105 public Pin getPin2()
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111 public void addRedrawListener (Runnable listener) {redrawListeners .add (listener);}
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113 public void removeRedrawListener(Runnable listener) {redrawListeners .remove(listener);}
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115 private void callRedrawListeners() {redrawListeners.forEach(l -> l.run());}
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