net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/wires/Pin.java

   1 package net.mograsim.logic.ui.model.wires;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5 import java.util.function.Consumer;
   6
   7 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
   8 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
   9 import net.mograsim.logic.ui.model.components.GUIComponent;
  10
  11 public class Pin
  12 {
  13         public final GUIComponent component;
  14         public final String name;
  15         public final int logicWidth;
  16
  17         protected double relX;
  18         protected double relY;
  19
  20         private final List<Consumer<? super Pin>> pinMovedListeners;
  21         private final List<Runnable> redrawListeners;
  22
  23         public Pin(GUIComponent component, String name, int logicWidth, double relX, double relY)
  24         {
  25                 this.component = component;
  26                 this.name = name;
  27                 this.logicWidth = logicWidth;
  28                 this.relX = relX;
  29                 this.relY = relY;
  30
  31                 this.pinMovedListeners = new ArrayList<>();
  32                 this.redrawListeners = new ArrayList<>();
  33
  34                 component.addComponentMovedListener(c -> callPinMovedListeners());
  35         }
  36
  37         public double getRelX()
  38         {
  39                 return relX;
  40         }
  41
  42         public double getRelY()
  43         {
  44                 return relY;
  45         }
  46
  47         public Point getRelPos()
  48         {
  49                 return new Point(relX, relY);
  50         }
  51
  52         public Point getPos()
  53         {
  54                 Rectangle componentBounds = component.getBounds();
  55                 return new Point(relX + componentBounds.x, relY + componentBounds.y);
  56         }
  57
  58         protected void setRelPos(double relX, double relY)
  59         {
  60                 this.relX = relX;
  61                 this.relY = relY;
  62                 callPinMovedListeners();
  63                 callRedrawListeners();
  64         }
  65
  66         // @formatter:off
  67         public void addPinMovedListener   (Consumer<? super Pin> listener){pinMovedListeners.add   (listener);}
  68         public void addRedrawListener     (Runnable              listener){redrawListeners  .add   (listener);}
  69
  70         public void removePinMovedListener(Consumer<? super Pin> listener){pinMovedListeners.remove(listener);}
  71         public void removeRedrawListener  (Runnable              listener){redrawListeners  .remove(listener);}
  72
  73         private void callPinMovedListeners() {pinMovedListeners.forEach(l -> l.accept(this));}
  74         private void callRedrawListeners  () {redrawListeners  .forEach(l -> l.run   (    ));}
  75         // @formatter:on
  76
  77 }