X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.core%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fcore%2Fcomponents%2FManualSwitch.java;h=626804f0b17dc0cd081d05242484cc5fcbb3711d;hb=19b9fa6c1cfcd7036c5b0c44c892f029cd04879b;hp=fc6e9432271c96fc69dd183e6b17fb762b4a447b;hpb=67c1d352795802dae0c045cedeed82c883819d4e;p=Mograsim.git

diff --git a/net.mograsim.logic.core/src/net/mograsim/logic/core/components/ManualSwitch.java b/net.mograsim.logic.core/src/net/mograsim/logic/core/components/ManualSwitch.java
index fc6e9432..626804f0 100644
--- a/net.mograsim.logic.core/src/net/mograsim/logic/core/components/ManualSwitch.java
+++ b/net.mograsim.logic.core/src/net/mograsim/logic/core/components/ManualSwitch.java
@@ -1,74 +1,109 @@
-package net.mograsim.logic.core.components;
-
-import java.util.List;
-
-import net.mograsim.logic.core.timeline.Timeline;
-import net.mograsim.logic.core.types.Bit;
-import net.mograsim.logic.core.wires.Wire.ReadEnd;
-import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
-
-/**
- * This class models a simple on/off (ONE/ZERO) switch for user interaction.
- *
- * @author Christian Femers
- *
- */
-public class ManualSwitch extends Component
-{
-	private ReadWriteEnd output;
-	private boolean isOn;
-
-	public ManualSwitch(Timeline timeline, ReadWriteEnd output)
-	{
-		super(timeline);
-		if (output.length() != 1)
-			throw new IllegalArgumentException("Switch output can be only a single wire");
-		this.output = output;
-	}
-
-	public void switchOn()
-	{
-		setState(true);
-	}
-
-	public void switchOff()
-	{
-		setState(false);
-	}
-
-	public void toggle()
-	{
-		setState(!isOn);
-	}
-
-	public void setState(boolean isOn)
-	{
-		if (this.isOn == isOn)
-			return;
-		this.isOn = isOn;
-		output.feedSignals(getValue());
-	}
-
-	public boolean isOn()
-	{
-		return isOn;
-	}
-
-	public Bit getValue()
-	{
-		return isOn ? Bit.ONE : Bit.ZERO;
-	}
-
-	@Override
-	public List<ReadEnd> getAllInputs()
-	{
-		return List.of();
-	}
-
-	@Override
-	public List<ReadWriteEnd> getAllOutputs()
-	{
-		return List.of(output);
-	}
-
-}
+package net.mograsim.logic.core.components;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import net.mograsim.logic.core.LogicObservable;
+import net.mograsim.logic.core.LogicObserver;
+import net.mograsim.logic.core.timeline.Timeline;
+import net.mograsim.logic.core.types.Bit;
+import net.mograsim.logic.core.wires.Wire.ReadEnd;
+import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
+
+/**
+ * This class models a simple on/off (ONE/ZERO) switch for user interaction.
+ *
+ * @author Christian Femers
+ *
+ */
+public class ManualSwitch extends Component implements LogicObservable
+{
+	private Collection<LogicObserver> observers;
+	private ReadWriteEnd output;
+	private boolean isOn;
+
+	public ManualSwitch(Timeline timeline, ReadWriteEnd output)
+	{
+		super(timeline);
+		observers = new ArrayList<>();
+		if (output.length() != 1)
+			throw new IllegalArgumentException("Switch output can be only a single wire");
+		this.output = output;
+	}
+
+	public void switchOn()
+	{
+		setState(true);
+	}
+
+	public void switchOff()
+	{
+		setState(false);
+	}
+
+	public void toggle()
+	{
+		setState(!isOn);
+	}
+
+	public void setState(boolean isOn)
+	{
+		if (this.isOn == isOn)
+			return;
+		this.isOn = isOn;
+		output.feedSignals(getValue());
+		notifyObservers();
+	}
+
+	public void setToValueOf(Bit bit)
+	{
+		if (bit == Bit.ONE)
+			switchOn();
+		else if (bit == Bit.ZERO)
+			switchOff();
+		else
+			throw new IllegalArgumentException("Cannot set ManualSwitch to the value of Bit " + bit);
+	}
+
+	public boolean isOn()
+	{
+		return isOn;
+	}
+
+	public Bit getValue()
+	{
+		return isOn ? Bit.ONE : Bit.ZERO;
+	}
+
+	@Override
+	public List<ReadEnd> getAllInputs()
+	{
+		return List.of();
+	}
+
+	@Override
+	public List<ReadWriteEnd> getAllOutputs()
+	{
+		return List.of(output);
+	}
+
+	@Override
+	public void registerObserver(LogicObserver ob)
+	{
+		observers.add(ob);
+	}
+
+	@Override
+	public void deregisterObserver(LogicObserver ob)
+	{
+		observers.remove(ob);
+	}
+
+	@Override
+	public void notifyObservers()
+	{
+		observers.forEach(ob -> ob.update(this));
+	}
+
+}