--- /dev/null
+package mograsim.logic.ui.model.wires;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Consumer;
+
+import mograsim.logic.core.types.BitVectorFormatter;
+import mograsim.logic.core.wires.Wire.ReadEnd;
+import mograsim.logic.ui.ColorHelper;
+import mograsim.logic.ui.model.ViewModel;
+import net.haspamelodica.swt.helper.gcs.GeneralGC;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
+
+public class GUIWire
+{
+ private final ViewModel model;
+ public final int logicWidth;
+ private Pin pin1;
+ private Pin pin2;
+ private double[] path;
+
+ private final List<Consumer<? super GUIWire>> wireLookChangedListeners;
+
+ private ReadEnd end;
+
+ public GUIWire(ViewModel model, Pin pin1, Pin pin2, Point... path)
+ {
+ this.model = model;
+ this.logicWidth = pin1.logicWidth;
+ if (pin2.logicWidth != pin1.logicWidth)
+ throw new IllegalArgumentException("Can't connect pins of different logic width");
+ this.path = new double[path.length * 2 + 4];
+ for (int srcI = 0, dstI = 2; srcI < path.length; srcI++, dstI += 2)
+ {
+ this.path[dstI + 0] = path[srcI].x;
+ this.path[dstI + 1] = path[srcI].y;
+ }
+
+ this.pin1 = pin1;
+ this.pin2 = pin2;
+
+ wireLookChangedListeners = new ArrayList<>();
+
+ pin1.addPinMovedListener(p -> pin1Moved());
+ pin2.addPinMovedListener(p -> pin2Moved());
+ pin1Moved();
+ pin2Moved();
+
+ model.wireCreated(this);
+ }
+
+ private void pin1Moved()
+ {
+ Point pos = pin1.getPos();
+ this.path[0] = pos.x;
+ this.path[1] = pos.y;
+ }
+
+ private void pin2Moved()
+ {
+ Point pos = pin2.getPos();
+ this.path[this.path.length - 2] = pos.x;
+ this.path[this.path.length - 1] = pos.y;
+ }
+
+ public void destroy()
+ {
+ model.wireDestroyed(this);
+ }
+
+ public void render(GeneralGC gc)
+ {
+ ColorHelper.executeWithDifferentForeground(gc, BitVectorFormatter.formatAsColor(end), () -> gc.drawPolyline(path));
+ }
+
+ public void setLogicModelBinding(ReadEnd end)
+ {
+ this.end = end;
+ end.addObserver((i, o) -> callWireLookChangedListeners());
+ }
+
+ public Pin getPin1()
+ {
+ return pin1;
+ }
+
+ public Pin getPin2()
+ {
+ return pin2;
+ }
+
+ // @formatter:off
+ public void addWireLookChangedListener (Consumer<? super GUIWire> listener) {wireLookChangedListeners.add (listener);}
+
+ public void removeWireLookChangedListener(Consumer<? super GUIWire> listener) {wireLookChangedListeners.remove(listener);}
+
+ private void callWireLookChangedListeners() {wireLookChangedListeners.forEach(l -> l.accept(this));}
+ // @formatter:on
+
+}
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