X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.ui%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fui%2Fmodel%2FViewModel.java;h=445810a0670fe8398bfb4201a7e91104bf3b202c;hb=f14ea37d69488dd51518a36413af7176916b8bd7;hp=717ee13a59bcf4e972aa35fac4be57667b74be35;hpb=07faf07e3acb8b2afdc2bf65a46bc868faaed0f8;p=Mograsim.git

diff --git a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/ViewModel.java b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/ViewModel.java
index 717ee13a..445810a0 100644
--- a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/ViewModel.java
+++ b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/ViewModel.java
@@ -8,7 +8,7 @@ import java.util.function.Consumer;
 import net.mograsim.logic.ui.model.components.GUIComponent;
 import net.mograsim.logic.ui.model.wires.GUIWire;
 
-public class ViewModel
+public class ViewModel implements Visitable
 {
 	private final List<GUIComponent> components;
 	private final List<GUIComponent> componentsUnmodifiable;
@@ -19,8 +19,11 @@ public class ViewModel
 	private final List<Consumer<? super GUIComponent>> componentRemovedListeners;
 	private final List<Consumer<? super GUIWire>> wireAddedListeners;
 	private final List<Consumer<? super GUIWire>> wireRemovedListeners;
+	private final List<Runnable> redrawListeners;
 
-	public ViewModel()
+	private final Runnable redrawListenerForSubcomponents;
+
+	protected ViewModel()
 	{
 		components = new ArrayList<>();
 		componentsUnmodifiable = Collections.unmodifiableList(components);
@@ -31,54 +34,65 @@ public class ViewModel
 		componentRemovedListeners = new ArrayList<>();
 		wireAddedListeners = new ArrayList<>();
 		wireRemovedListeners = new ArrayList<>();
+		redrawListeners = new ArrayList<>();
+
+		redrawListenerForSubcomponents = this::callRedrawListeners;
 	}
 
 	/**
 	 * 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 componentCreated(GUIComponent component)
+	protected void componentCreated(GUIComponent component)
 	{
 		if (components.contains(component))
 			throw new IllegalStateException("Don't add the same component twice!");
 		components.add(component);
 		callComponentAddedListeners(component);
+		component.addRedrawListener(redrawListenerForSubcomponents);
+		callRedrawListeners();
 	}
 
 	/**
 	 * 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 componentDestroyed(GUIComponent component)
+	protected void componentDestroyed(GUIComponent component)
 	{
 		if (!components.contains(component))
 			throw new IllegalStateException("Don't remove the same component twice!");
 		components.remove(component);
 		callComponentRemovedListeners(component);
+		component.removeRedrawListener(redrawListenerForSubcomponents);
+		callRedrawListeners();
 	}
 
 	/**
-	 * 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.
+	 * Adds the given wire to the list of wires and calls all wireAddedListeners. Don't call this method from application code as it is
+	 * automatically called in GUIWire::new.
 	 */
-	public void wireCreated(GUIWire wire)
+	protected void wireCreated(GUIWire wire)
 	{
 		if (wires.contains(wire))
 			throw new IllegalStateException("Don't add the same wire twice!");
 		wires.add(wire);
 		callWireAddedListeners(wire);
+		wire.addRedrawListener(redrawListenerForSubcomponents);
+		callRedrawListeners();
 	}
 
 	/**
-	 * 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.
+	 * Removes the given wire from the list of wires and calls all wireRemovedListeners. Don't call this method from application code as it
+	 * is automatically called in GUIWire::destroy.
 	 */
-	public void wireDestroyed(GUIWire wire)
+	protected void wireDestroyed(GUIWire wire)
 	{
 		if (!wires.contains(wire))
 			throw new IllegalStateException("Don't remove the same wire twice!");
 		wires.remove(wire);
 		callWireRemovedListeners(wire);
+		wire.removeRedrawListener(redrawListenerForSubcomponents);
+		callRedrawListeners();
 	}
 
 	public List<GUIComponent> getComponents()
@@ -91,20 +105,29 @@ public class ViewModel
 		return wiresUnmodifiable;
 	}
 
+	@Override
+	public void accept(ModelVisitor mv)
+	{
+		mv.visit(this);
+	}
+
 	// @formatter:off
-	public void addComponentAddedListener     (Consumer<? super GUIComponent> listener){componentAddedListeners  .add   (listener);}
-	public void addComponentRemovedListener   (Consumer<? super GUIComponent> listener){componentRemovedListeners.add   (listener);}
-	public void addWireAddedListener          (Consumer<? super GUIWire     > listener){wireAddedListeners       .add   (listener);}
-	public void addWireRemovedListener        (Consumer<? super GUIWire     > listener){wireRemovedListeners     .add   (listener);}
+	public void addComponentAddedListener     (Consumer<? super GUIComponent> listener) {componentAddedListeners  .add   (listener);}
+	public void addComponentRemovedListener   (Consumer<? super GUIComponent> listener) {componentRemovedListeners.add   (listener);}
+	public void addWireAddedListener          (Consumer<? super GUIWire     > listener) {wireAddedListeners       .add   (listener);}
+	public void addWireRemovedListener        (Consumer<? super GUIWire     > listener) {wireRemovedListeners     .add   (listener);}
+	public void addRedrawListener             (Runnable                       listener) {redrawListeners          .add   (listener);}
 
-	public void removeComponentAddedListener  (Consumer<? super GUIComponent> listener){componentAddedListeners  .remove(listener);}
-	public void removeComponentRemovedListener(Consumer<? super GUIComponent> listener){componentRemovedListeners.remove(listener);}
-	public void removeWireAddedListener       (Consumer<? super GUIWire     > listener){wireAddedListeners       .remove(listener);}
-	public void removeWireRemovedListener     (Consumer<? super GUIWire     > listener){wireRemovedListeners     .remove(listener);}
+	public void removeComponentAddedListener  (Consumer<? super GUIComponent> listener) {componentAddedListeners  .remove(listener);}
+	public void removeComponentRemovedListener(Consumer<? super GUIComponent> listener) {componentRemovedListeners.remove(listener);}
+	public void removeWireAddedListener       (Consumer<? super GUIWire     > listener) {wireAddedListeners       .remove(listener);}
+	public void removeWireRemovedListener     (Consumer<? super GUIWire     > listener) {wireRemovedListeners     .remove(listener);}
+	public void removeRedrawListener          (Runnable                       listener) {redrawListeners          .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));}
+	private void callRedrawListeners          (              ) {redrawListeners          .forEach(l -> l.run(    ));}
 	// @formatter:on
 }
\ No newline at end of file