LogicUI/src/era/mi/gui/model/wires/Pin.java

   1 package era.mi.gui.model.wires;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5 import java.util.function.Consumer;
   6
   7 import era.mi.gui.model.components.GUIComponent;
   8 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
   9 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  10
  11 public class Pin
  12 {
  13         public final GUIComponent component;
  14
  15         protected double relX;
  16         protected double relY;
  17
  18         private final List<Consumer<? super Pin>> pinMovedListeners;
  19
  20         public Pin(GUIComponent component, double relX, double relY)
  21         {
  22                 this.component = component;
  23                 this.relX = relX;
  24                 this.relY = relY;
  25
  26                 this.pinMovedListeners = new ArrayList<>();
  27
  28                 component.addComponentMovedListener(c -> callPinMovedListeners());
  29         }
  30
  31         public double getRelX()
  32         {
  33                 return relX;
  34         }
  35
  36         public double getRelY()
  37         {
  38                 return relY;
  39         }
  40
  41         public Point getRelPos()
  42         {
  43                 return new Point(relX, relY);
  44         }
  45
  46         public Point getPos()
  47         {
  48                 Rectangle componentBounds = component.getBounds();
  49                 return new Point(relX + componentBounds.x, relY + componentBounds.y);
  50         }
  51
  52         // @formatter:off
  53         public void addPinMovedListener   (Consumer<? super Pin> listener){pinMovedListeners.add   (listener);}
  54
  55         public void removePinMovedListener(Consumer<? super Pin> listener){pinMovedListeners.remove(listener);}
  56
  57         private void callPinMovedListeners() {pinMovedListeners.forEach(l -> l.accept(this));}
  58         // @formatter:on
  59
  60         protected void setRelPos(double relX, double relY)
  61         {
  62                 this.relX = relX;
  63                 this.relY = relY;
  64                 callPinMovedListeners();
  65         }
  66 }