1 package net.mograsim.logic.ui.model.components;
3 import java.util.ArrayList;
4 import java.util.Collections;
6 import java.util.function.Consumer;
8 import net.haspamelodica.swt.helper.gcs.GeneralGC;
9 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
10 import net.mograsim.logic.ui.model.ViewModelModifiable;
11 import net.mograsim.logic.ui.model.wires.Pin;
13 public abstract class GUIComponent
15 protected final ViewModelModifiable model;
16 private final Rectangle bounds;
17 private final List<Pin> pins;
18 protected final List<Pin> pinsUnmodifiable;
20 private final List<Consumer<? super GUIComponent>> componentMovedListeners;
21 private final List<Consumer<? super Pin>> pinAddedListeners;
22 private final List<Consumer<? super Pin>> pinRemovedListeners;
23 private final List<Runnable> redrawListeners;
25 private final Runnable redrawListenerForSubcomponents;
27 public GUIComponent(ViewModelModifiable model)
30 this.bounds = new Rectangle(0, 0, 0, 0);
31 this.pins = new ArrayList<>();
32 this.pinsUnmodifiable = Collections.unmodifiableList(pins);
34 this.componentMovedListeners = new ArrayList<>();
35 this.pinAddedListeners = new ArrayList<>();
36 this.pinRemovedListeners = new ArrayList<>();
37 this.redrawListeners = new ArrayList<>();
39 redrawListenerForSubcomponents = this::callRedrawListeners;
41 model.componentCreated(this);
46 pins.forEach(p -> pinRemovedListeners.forEach(l -> l.accept(p)));
47 model.componentDestroyed(this);
50 public void moveTo(double x, double y)
54 callComponentMovedListeners();
58 * Returns the bounds of this component. Used for calculating which component is clicked.
60 public Rectangle getBounds()
62 return new Rectangle(bounds.x, bounds.y, bounds.width, bounds.height);
66 * Called when this component is clicked. Absolute coordinates of the click are given. Returns true if this component consumed this
69 @SuppressWarnings({ "static-method", "unused" }) // this method is inteded to be overridden
70 public boolean clicked(double x, double y)
76 * Returns a list of pins of this component.
78 public List<Pin> getPins()
80 return pinsUnmodifiable;
84 public void addComponentMovedListener (Consumer<? super GUIComponent> listener) {componentMovedListeners.add (listener);}
85 public void addPinAddedListener (Consumer<? super Pin > listener) {pinAddedListeners .add (listener);}
86 public void addPinRemovedListener (Consumer<? super Pin > listener) {pinRemovedListeners .add (listener);}
87 public void addRedrawListener (Runnable listener) {redrawListeners .add (listener);}
89 public void removeComponentMovedListener(Consumer<? super GUIComponent> listener) {componentMovedListeners .remove(listener);}
90 public void removePinAddedListener (Consumer<? super Pin > listener) {pinAddedListeners .remove(listener);}
91 public void removePinRemovedListener (Consumer<? super Pin > listener) {pinRemovedListeners .remove(listener);}
92 public void removeRedrawListener (Runnable listener) {redrawListeners .remove(listener);}
94 private void callComponentMovedListeners( ) {componentMovedListeners.forEach(l -> l.accept(this));}
95 private void callPinAddedListeners (Pin p) {pinAddedListeners .forEach(l -> l.accept(p ));}
96 private void callPinRemovedListeners (Pin p) {pinRemovedListeners .forEach(l -> l.accept(p ));}
97 private void callRedrawListeners ( ) {redrawListeners .forEach(l -> l.run( ));}
101 * Render this component to the given gc.
103 public abstract void render(GeneralGC gc, Rectangle visibleRegion);
105 protected void requestRedraw()
107 callRedrawListeners();
110 protected void setSize(double width, double height)
112 bounds.width = width;
113 bounds.height = height;
114 callRedrawListeners();
117 protected void addPin(Pin pin)
120 callPinAddedListeners(pin);
121 pin.addRedrawListener(redrawListenerForSubcomponents);
122 callRedrawListeners();
125 protected void removePin(Pin pin)
128 callPinRemovedListeners(pin);
129 pin.removeRedrawListener(redrawListenerForSubcomponents);
130 callRedrawListeners();