package era.mi.gui.model.wires;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.graphics.Color;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Consumer;
+import era.mi.gui.ColorHelper;
import era.mi.gui.model.ViewModel;
-import era.mi.logic.types.Bit;
-import era.mi.logic.wires.Wire;
+import era.mi.logic.types.BitVectorFormatter;
+import era.mi.logic.wires.Wire.ReadEnd;
import net.haspamelodica.swt.helper.gcs.GeneralGC;
import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
public class GUIWire
{
+ private final ViewModel model;
private Pin pin1;
private Pin pin2;
private double[] path;
- private Wire wire;
+ private final List<Consumer<? super GUIWire>> wireChangedListeners;
+
+ private ReadEnd end;
public GUIWire(ViewModel model, Pin pin1, Pin pin2, Point... path)
{
+ this.model = model;
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;
}
- // TODO support moving pins
- Point pos;
- pos = pin1.getPos();
- this.path[0] = pos.x;
- this.path[1] = pos.y;
- pos = pin2.getPos();
- this.path[this.path.length - 2] = pos.x;
- this.path[this.path.length - 1] = pos.y;
+
+ this.pin1 = pin1;
+ this.pin2 = pin2;
+
+ wireChangedListeners = new ArrayList<>();
+
+ pin1.addPinMovedListener(p -> pin1Moved());
+ pin2.addPinMovedListener(p -> pin2Moved());
+ pin1Moved();
+ pin2Moved();
model.wireCreated(this);
}
- public void render(GeneralGC gc)
+ private void pin1Moved()
{
- Color oldFG = gc.getForeground();
- gc.setForeground(gc.getDevice().getSystemColor(getSWTColorConstantForWire(wire)));
- gc.drawPolyline(path);
- gc.setForeground(oldFG);
+ Point pos = pin1.getPos();
+ this.path[0] = pos.x;
+ this.path[1] = pos.y;
}
- public void setLogicModelWire(Wire wire)
+ private void pin2Moved()
{
- this.wire = wire;
+ Point pos = pin2.getPos();
+ this.path[this.path.length - 2] = pos.x;
+ this.path[this.path.length - 1] = pos.y;
}
- public static int getSWTColorConstantForWire(Wire wire)
+ public void destroy()
{
- if (wire != null && wire.length == 1)
- return getSWTColorConstantForBit(wire.getValue());
- else
- return SWT.COLOR_BLACK;
+ model.wireDestroyed(this);
}
- public static int getSWTColorConstantForBit(Bit bit)
+ public void render(GeneralGC gc)
{
- switch (bit)
- {
- case ONE:
- return SWT.COLOR_GREEN;
- case ZERO:
- return SWT.COLOR_BLUE;
- case Z:
- return SWT.COLOR_BLACK;
- case U:
- case X:
- return SWT.COLOR_RED;
- default:
- throw new IllegalArgumentException("Unknown enum constant: " + bit);
- }
+ ColorHelper.executeWithDifferentForeground(gc, BitVectorFormatter.formatAsColor(end), () -> gc.drawPolyline(path));
}
+
+ public void setLogicModelBinding(ReadEnd end)
+ {
+ this.end = end;
+ end.addObserver((i, o) -> callWireChangedListeners());
+ }
+
+ // @formatter:off
+ public void addWireChangedListener (Consumer<? super GUIWire> listener) {wireChangedListeners.add (listener);}
+
+ public void removeWireChangedListener(Consumer<? super GUIWire> listener) {wireChangedListeners.remove(listener);}
+
+ private void callWireChangedListeners() {wireChangedListeners.forEach(l -> l.accept(this));}
+ // @formatter:on
+
}
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