Renamed mograsim to net.mograsim

[Mograsim.git] / LogicUI / src / net / mograsim / logic / ui / model / components / GUIComponent.java

diff --git a/LogicUI/src/net/mograsim/logic/ui/model/components/GUIComponent.java b/LogicUI/src/net/mograsim/logic/ui/model/components/GUIComponent.java
new file mode 100644 (file)
index 0000000..9cea86a
--- /dev/null
+++ b/LogicUI/src/net/mograsim/logic/ui/model/components/GUIComponent.java
@@ -0,0 +1,119 @@
+package net.mograsim.logic.ui.model.components;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.function.Consumer;
+
+import net.mograsim.logic.ui.model.ViewModel;
+import net.mograsim.logic.ui.model.wires.Pin;
+import net.haspamelodica.swt.helper.gcs.GeneralGC;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
+
+public abstract class GUIComponent
+{
+       protected final ViewModel model;
+       private final Rectangle bounds;
+       private final List<Pin> pins;
+       protected final List<Pin> pinsUnmodifiable;
+
+       private final List<Consumer<? super GUIComponent>> componentLookChangedListeners;
+       private final List<Consumer<? super GUIComponent>> componentMovedListeners;
+       private final List<Consumer<? super Pin>> pinAddedListeners;
+       private final List<Consumer<? super Pin>> pinRemovedListeners;
+
+       public GUIComponent(ViewModel model)
+       {
+               this.model = model;
+               this.bounds = new Rectangle(0, 0, 0, 0);
+               this.pins = new ArrayList<>();
+               this.pinsUnmodifiable = Collections.unmodifiableList(pins);
+
+               this.componentLookChangedListeners = new ArrayList<>();
+               this.componentMovedListeners = new ArrayList<>();
+               this.pinAddedListeners = new ArrayList<>();
+               this.pinRemovedListeners = new ArrayList<>();
+
+               model.componentCreated(this);
+       }
+
+       public void destroy()
+       {
+               pins.forEach(p -> pinRemovedListeners.forEach(l -> l.accept(p)));
+               model.componentDestroyed(this);
+       }
+
+       public void moveTo(double x, double y)
+       {
+               bounds.x = x;
+               bounds.y = y;
+               callComponentMovedListeners();
+       }
+
+       /**
+        * Returns the bounds of this component. Used for calculating which component is clicked.
+        */
+       public Rectangle getBounds()
+       {
+               return new Rectangle(bounds.x, bounds.y, bounds.width, bounds.height);
+       }
+
+       /**
+        * Called when this component is clicked. Absolute coordinates of the click are given. Returns true if this component consumed this
+        * click.
+        */
+       @SuppressWarnings({ "static-method", "unused" }) // this method is inteded to be overridden
+       public boolean clicked(double x, double y)
+       {
+               return false;
+       }
+
+       /**
+        * Returns a list of pins of this component.
+        */
+       public List<Pin> getPins()
+       {
+               return pinsUnmodifiable;
+       }
+
+       // @formatter:off
+       public void addComponentLookChangedListener   (Consumer<? super GUIComponent> listener) {componentLookChangedListeners.add   (listener);}
+       public void addComponentMovedListener         (Consumer<? super GUIComponent> listener) {componentMovedListeners      .add   (listener);}
+       public void addPinAddedListener               (Consumer<? super Pin         > listener) {pinAddedListeners            .add   (listener);}
+       public void addPinRemovedListener             (Consumer<? super Pin         > listener) {pinRemovedListeners          .add   (listener);}
+                                                  
+       public void removeComponentLookChangedListener(Consumer<? super GUIComponent> listener) {componentLookChangedListeners.remove(listener);}
+       public void removeComponentMovedListener      (Consumer<? super GUIComponent> listener) {componentMovedListeners      .remove(listener);}
+       public void removePinAddedListener            (Consumer<? super Pin         > listener) {pinAddedListeners            .remove(listener);}
+       public void removePinRemovedListener          (Consumer<? super Pin         > listener) {pinRemovedListeners          .remove(listener);}
+
+       protected void callComponentLookChangedListeners(     ) {componentLookChangedListeners.forEach(l -> l.accept(this));}
+       private   void callComponentMovedListeners      (     ) {componentMovedListeners      .forEach(l -> l.accept(this));}
+       private   void callPinAddedListeners            (Pin p) {pinAddedListeners            .forEach(l -> l.accept(p   ));}
+       private   void callPinRemovedListeners          (Pin p) {pinRemovedListeners          .forEach(l -> l.accept(p   ));}
+       // @form  atter:on
+
+       /**
+        * Render this component to the given gc.
+        */
+       public abstract void render(GeneralGC gc, Rectangle visibleRegion);
+
+       protected void setSize(double width, double height)
+       {
+               bounds.width = width;
+               bounds.height = height;
+               callComponentLookChangedListeners();
+       }
+
+       protected void addPin(Pin pin)
+       {
+               pins.add(pin);
+               callPinAddedListeners(pin);
+       }
+
+       protected void removePin(Pin pin)
+       {
+               pins.remove(pin);
+               callPinRemovedListeners(pin);
+       }
+}
\ No newline at end of file