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.Arrays;
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5 import java.util.List;
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7 import net.haspamelodica.swt.helper.gcs.GeneralGC;
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8 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
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9 import net.mograsim.logic.core.LogicObservable;
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10 import net.mograsim.logic.core.LogicObserver;
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11 import net.mograsim.logic.core.types.BitVectorFormatter;
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12 import net.mograsim.logic.core.wires.Wire.ReadEnd;
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13 import net.mograsim.logic.ui.ColorHelper;
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14 import net.mograsim.logic.ui.model.ViewModelModifiable;
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16 public class GUIWire
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18 private final ViewModelModifiable model;
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19 public final int logicWidth;
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22 private Point[] path;
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23 private double[] effectivePath;
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25 private final List<Runnable> redrawListeners;
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27 private final LogicObserver logicObs;
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28 private ReadEnd end;
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30 public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, WireCrossPoint pin2)
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32 this(model, pin1, pin2, (Point[]) null);
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35 public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, Pin pin2)
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37 this(model, pin1, pin2, (Point[]) null);
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40 public GUIWire(ViewModelModifiable model, Pin pin1, WireCrossPoint pin2)
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42 this(model, pin1, pin2, (Point[]) null);
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45 public GUIWire(ViewModelModifiable model, Pin pin1, Pin pin2)
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47 this(model, pin1, pin2, (Point[]) null);
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50 public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, WireCrossPoint pin2, Point... path)
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52 this(model, pin1.getPin(), pin2.getPin(), path);
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55 public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, Pin pin2, Point... path)
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57 this(model, pin1.getPin(), pin2, path);
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60 public GUIWire(ViewModelModifiable model, Pin pin1, WireCrossPoint pin2, Point... path)
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62 this(model, pin1, pin2.getPin(), path);
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65 public GUIWire(ViewModelModifiable model, Pin pin1, Pin pin2, Point... path)
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67 logicObs = (i) -> callRedrawListeners();
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69 this.logicWidth = pin1.logicWidth;
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70 if (pin2.logicWidth != pin1.logicWidth)
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71 throw new IllegalArgumentException("Can't connect pins of different logic width");
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76 this.path = path == null ? null : Arrays.copyOf(path, path.length);
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78 redrawListeners = new ArrayList<>();
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80 pin1.addPinMovedListener(p -> pin1Moved());
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81 pin2.addPinMovedListener(p -> pin2Moved());
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83 recalculateEffectivePath();
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85 model.wireCreated(this);
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88 private void recalculateEffectivePath()
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90 Point pos1 = pin1.getPos(), pos2 = pin2.getPos();
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92 effectivePath = new double[] { pos1.x, pos1.y, (pos1.x + pos2.x) / 2, pos1.y, (pos1.x + pos2.x) / 2, pos2.y, pos2.x, pos2.y };
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95 effectivePath = new double[path.length * 2 + 4];
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96 effectivePath[0] = pos1.x;
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97 effectivePath[1] = pos1.y;
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98 for (int srcI = 0, dstI = 2; srcI < path.length; srcI++, dstI += 2)
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100 effectivePath[dstI + 0] = path[srcI].x;
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101 effectivePath[dstI + 1] = path[srcI].y;
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103 effectivePath[effectivePath.length - 2] = pos2.x;
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104 effectivePath[effectivePath.length - 1] = pos2.y;
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108 private void pin1Moved()
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110 recalculateEffectivePath();
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111 callRedrawListeners();
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114 private void pin2Moved()
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116 recalculateEffectivePath();
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117 callRedrawListeners();
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120 public void destroy()
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122 model.wireDestroyed(this);
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125 public void render(GeneralGC gc)
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127 ColorHelper.executeWithDifferentForeground(gc, BitVectorFormatter.formatAsColor(end), () -> gc.drawPolyline(effectivePath));
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130 public void setLogicModelBinding(ReadEnd end)
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132 deregisterLogicObs(this.end);
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134 registerLogicObs(end);
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137 private void registerLogicObs(LogicObservable observable)
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139 if (observable != null)
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140 observable.registerObserver(logicObs);
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143 private void deregisterLogicObs(LogicObservable observable)
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145 if (observable != null)
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146 observable.deregisterObserver(logicObs);
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149 public Pin getPin1()
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154 public Pin getPin2()
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160 public void addRedrawListener (Runnable listener) {redrawListeners .add (listener);}
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162 public void removeRedrawListener(Runnable listener) {redrawListeners .remove(listener);}
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164 private void callRedrawListeners() {redrawListeners.forEach(l -> l.run());}
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