Fixed stupid bug causing NullPointerExceptions in GUIWire

[Mograsim.git] / LogicUI / src / era / mi / gui / model / wires / GUIWire.java

diff --git a/LogicUI/src/era/mi/gui/model/wires/GUIWire.java b/LogicUI/src/era/mi/gui/model/wires/GUIWire.java
index 649ddb6..8ecf1c4 100644 (file)
--- a/LogicUI/src/era/mi/gui/model/wires/GUIWire.java
+++ b/LogicUI/src/era/mi/gui/model/wires/GUIWire.java
@@ -11,6 +11,7 @@ import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
 
 public class GUIWire
 {
+       private final ViewModel model;
        private Pin pin1;
        private Pin pin2;
        private double[] path;
@@ -19,22 +20,42 @@ public class GUIWire
 
        public GUIWire(ViewModel model, Pin pin1, Pin pin2, Point... path)
        {
+               this.model = model;
                this.path = new double[path.length * 2 + 4];
                for (int srcI = 0, dstI = 2; srcI < path.length; srcI++, dstI += 2)
                {
                        this.path[dstI + 0] = path[srcI].x;
                        this.path[dstI + 1] = path[srcI].y;
                }
-               // TODO support moving pins
-               Point pos;
-               pos = pin1.getPos();
+
+               this.pin1 = pin1;
+               this.pin2 = pin2;
+
+               pin1.addPinMovedListener(p -> pin1Moved());
+               pin2.addPinMovedListener(p -> pin2Moved());
+               pin1Moved();
+               pin2Moved();
+
+               model.wireCreated(this);
+       }
+
+       private void pin1Moved()
+       {
+               Point pos = pin1.getPos();
                this.path[0] = pos.x;
                this.path[1] = pos.y;
-               pos = pin2.getPos();
+       }
+
+       private void pin2Moved()
+       {
+               Point pos = pin2.getPos();
                this.path[this.path.length - 2] = pos.x;
                this.path[this.path.length - 1] = pos.y;
+       }
 
-               model.wireCreated(this);
+       public void destroy()
+       {
+               model.wireDestroyed(this);
        }
 
        public void render(GeneralGC gc)