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