Renamed mograsim to net.mograsim

[Mograsim.git] / era.mi / src / net / mograsim / logic / core / components / ManualSwitch.java

diff --git a/era.mi/src/net/mograsim/logic/core/components/ManualSwitch.java b/era.mi/src/net/mograsim/logic/core/components/ManualSwitch.java
new file mode 100644 (file)
index 0000000..fc6e943
--- /dev/null
+++ b/era.mi/src/net/mograsim/logic/core/components/ManualSwitch.java
@@ -0,0 +1,74 @@
+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);
+       }
+
+}