LogicUICanvas now uses the new listener system; changes in clicked()

[Mograsim.git] / LogicUI / src / era / mi / gui / model / ViewModel.java

diff --git a/LogicUI/src/era/mi/gui/model/ViewModel.java b/LogicUI/src/era/mi/gui/model/ViewModel.java
index de22f44..4eb81e8 100644 (file)
--- a/LogicUI/src/era/mi/gui/model/ViewModel.java
+++ b/LogicUI/src/era/mi/gui/model/ViewModel.java
@@ -1,6 +1,7 @@
 package era.mi.gui.model;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.function.Consumer;
 
@@ -10,7 +11,9 @@ import era.mi.gui.model.wires.GUIWire;
 public class ViewModel
 {
        private final List<GUIComponent> components;
+       private final List<GUIComponent> componentsUnmodifiable;
        private final List<GUIWire> wires;
+       private final List<GUIWire> wiresUnmodifiable;
 
        private final List<Consumer<GUIComponent>> componentAddedListeners;
        private final List<Consumer<GUIComponent>> componentRemovedListeners;
@@ -20,7 +23,9 @@ public class ViewModel
        public ViewModel()
        {
                components = new ArrayList<>();
+               componentsUnmodifiable = Collections.unmodifiableList(components);
                wires = new ArrayList<>();
+               wiresUnmodifiable = Collections.unmodifiableList(wires);
 
                componentAddedListeners = new ArrayList<>();
                componentRemovedListeners = new ArrayList<>();
@@ -32,24 +37,58 @@ public class ViewModel
         * Adds the given component to the list of components and calls all componentAddedListeners. Don't call this method from application
         * code as it is automatically called in GUIComponent::new.
         */
-       public void addComponent(GUIComponent component)
+       public void componentCreated(GUIComponent component)
        {
                if (components.contains(component))
                        throw new IllegalStateException("Don't add the same component twice!");
                components.add(component);
-               componentAddedListeners.forEach(l -> l.accept(component));
+               callComponentAddedListeners(component);
        }
 
        /**
         * Removes the given component from the list of components and calls all componentRemovedListeners. Don't call this method from
         * application code as it is automatically called in GUIComponent::destroy.
         */
-       public void removeComponent(GUIComponent component)
+       public void componentDestroyed(GUIComponent component)
        {
                if (!components.contains(component))
                        throw new IllegalStateException("Don't remove the same component twice!");
                components.remove(component);
-               componentRemovedListeners.forEach(l -> l.accept(component));
+               callComponentRemovedListeners(component);
+       }
+
+       /**
+        * Adds the given component to the list of components and calls all componentAddedListeners. Don't call this method from application
+        * code as it is automatically called in GUIComponent::new.
+        */
+       public void wireCreated(GUIWire wire)
+       {
+               if (wires.contains(wire))
+                       throw new IllegalStateException("Don't add the same wire twice!");
+               wires.add(wire);
+               callWireAddedListeners(wire);
+       }
+
+       /**
+        * Removes the given component from the list of components and calls all componentRemovedListeners. Don't call this method from
+        * application code as it is automatically called in GUIComponent::destroy.
+        */
+       public void wireDestroyed(GUIWire wire)
+       {
+               if (!wires.contains(wire))
+                       throw new IllegalStateException("Don't remove the same wire twice!");
+               wires.remove(wire);
+               callWireRemovedListeners(wire);
+       }
+
+       public List<GUIComponent> getComponents()
+       {
+               return componentsUnmodifiable;
+       }
+
+       public List<GUIWire> getWires()
+       {
+               return wiresUnmodifiable;
        }
 
        // @formatter:off
@@ -62,5 +101,10 @@ public class ViewModel
        public void removeComponentRemovedListener(Consumer<GUIComponent> listener){componentRemovedListeners.remove(listener);}
        public void removeWireAddedListener       (Consumer<GUIWire     > listener){wireAddedListeners       .remove(listener);}
        public void removeWireRemovedListener     (Consumer<GUIWire     > listener){wireRemovedListeners     .remove(listener);}
+
+       private void callComponentAddedListeners  (GUIComponent c) {componentAddedListeners  .forEach(l -> l.accept(c));}
+       private void callComponentRemovedListeners(GUIComponent c) {componentRemovedListeners.forEach(l -> l.accept(c));}
+       private void callWireAddedListeners       (GUIWire w     ) {wireAddedListeners       .forEach(l -> l.accept(w));}
+       private void callWireRemovedListeners     (GUIWire w     ) {wireRemovedListeners     .forEach(l -> l.accept(w));}
        // @formatter:on
 }
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