HighLevelStates now support adding/removing listeners

[Mograsim.git] / plugins / net.mograsim.machine / src / net / mograsim / machine / mi / components / ModelMicroInstructionMemory.java

diff --git a/plugins/net.mograsim.machine/src/net/mograsim/machine/mi/components/ModelMicroInstructionMemory.java b/plugins/net.mograsim.machine/src/net/mograsim/machine/mi/components/ModelMicroInstructionMemory.java
index 706734f..25c0b68 100644 (file)
--- a/plugins/net.mograsim.machine/src/net/mograsim/machine/mi/components/ModelMicroInstructionMemory.java
+++ b/plugins/net.mograsim.machine/src/net/mograsim/machine/mi/components/ModelMicroInstructionMemory.java
@@ -1,5 +1,9 @@
 package net.mograsim.machine.mi.components;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Consumer;
+
 import net.mograsim.logic.model.model.LogicModelModifiable;
 import net.mograsim.logic.model.model.wires.Pin;
 import net.mograsim.logic.model.model.wires.PinUsage;
@@ -16,6 +20,8 @@ public abstract class ModelMicroInstructionMemory extends ModelMemory
        private CoreMicroInstructionMemory memory;
        private final MicroInstructionMemoryDefinition definition;
 
+       private final List<Consumer<Object>> memoryBindingListeners;
+
        public ModelMicroInstructionMemory(LogicModelModifiable model, MicroInstructionMemoryDefinition definition, String name)
        {
                super(model, 120, 150, name, "MPM", false);
@@ -24,10 +30,12 @@ public abstract class ModelMicroInstructionMemory extends ModelMemory
                addPin(dataPin = new Pin(model, this, "D", definition.getMicroInstructionDefinition().sizeInBits(), PinUsage.OUTPUT, getWidth(),
                                50));
 
+               memoryBindingListeners = new ArrayList<>();
+
                setHighLevelStateHandler(new HighLevelStateHandler()
                {
                        @Override
-                       public Object getHighLevelState(String stateID)
+                       public Object get(String stateID)
                        {
                                if (stateID.equals("memory_binding"))
                                        return memory.getMemory();
@@ -35,10 +43,30 @@ public abstract class ModelMicroInstructionMemory extends ModelMemory
                        }
 
                        @Override
-                       public void setHighLevelState(String stateID, Object newState)
+                       public void set(String stateID, Object newState)
                        {
                                if (stateID.equals("memory_binding"))
+                               {
                                        memory.setMemory((MicroInstructionMemory) newState);
+                                       memoryBindingListeners.forEach(l -> l.accept(newState));
+                               } else
+                                       throw new IllegalArgumentException("No high level state with ID " + stateID);
+                       }
+
+                       @Override
+                       public void addListener(String stateID, Consumer<Object> stateChanged)
+                       {
+                               if (stateID.equals("memory_binding"))
+                                       memoryBindingListeners.add(stateChanged);
+                               else
+                                       throw new IllegalArgumentException("No high level state with ID " + stateID);
+                       }
+
+                       @Override
+                       public void removeListener(String stateID, Consumer<Object> stateChanged)
+                       {
+                               if (stateID.equals("memory_binding"))
+                                       memoryBindingListeners.remove(stateChanged);
                                else
                                        throw new IllegalArgumentException("No high level state with ID " + stateID);
                        }