LogicUI/src/era/mi/gui/wires/GUIWire.java

   1 package era.mi.gui.wires;
   2
   3 import java.util.Objects;
   4
   5 import org.eclipse.swt.SWT;
   6 import org.eclipse.swt.graphics.Color;
   7
   8 import era.mi.gui.components.BasicGUIComponent;
   9 import era.mi.logic.wires.WireArray;
  10 import net.haspamelodica.swt.helper.gcs.GeneralGC;
  11 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
  12
  13 public class GUIWire
  14 {
  15         private final WireArray wa;
  16         private final double[]  path;
  17
  18         public GUIWire(Runnable redraw, BasicGUIComponent component1, int component1ConnectionIndex, Point component1Pos, BasicGUIComponent component2, int component2ConnectionIndex, Point component2Pos, Point... path)
  19         {
  20                 this.wa = component1.getConnectedWireArray(component1ConnectionIndex);
  21                 if(!Objects.equals(wa, component2.getConnectedWireArray(component2ConnectionIndex)))
  22                         throw new IllegalArgumentException("Given connection points are not connected!");
  23                 this.path = new double[path.length * 2 + 4];
  24                 Point component1ConnectionPoint = component1.getWireArrayConnectionPoint(component1ConnectionIndex);
  25                 this.path[0] = component1Pos.x + component1ConnectionPoint.x;
  26                 this.path[1] = component1Pos.y + component1ConnectionPoint.y;
  27                 for(int srcI = 0, dstI = 2; srcI < path.length; srcI ++, dstI += 2)
  28                 {
  29                         this.path[dstI + 0] = path[srcI].x;
  30                         this.path[dstI + 1] = path[srcI].y;
  31                 }
  32                 Point component2ConnectionPoint = component2.getWireArrayConnectionPoint(component2ConnectionIndex);
  33                 this.path[this.path.length - 2] = component2Pos.x + component2ConnectionPoint.x;
  34                 this.path[this.path.length - 1] = component2Pos.y + component2ConnectionPoint.y;
  35
  36                 wa.addObserver((initiator, oldValues) -> redraw.run());
  37         }
  38
  39         public void render(GeneralGC gc)
  40         {
  41                 Color oldFG = gc.getForeground();
  42                 if(wa.length == 1)
  43                 {
  44                         int fgColorConstant;
  45                         switch(wa.getValue())
  46                         {
  47                                 case ONE:
  48                                         fgColorConstant = SWT.COLOR_GREEN;
  49                                         break;
  50                                 case ZERO:
  51                                         fgColorConstant = SWT.COLOR_BLUE;
  52                                         break;
  53                                 case U:
  54                                 case X:
  55                                 case Z:
  56                                         fgColorConstant = SWT.COLOR_RED;
  57                                         break;
  58                                 default:
  59                                         throw new IllegalArgumentException("Unknown enum constant: " + wa.getValue());
  60                         }
  61                         gc.setForeground(gc.getDevice().getSystemColor(fgColorConstant));
  62                 }
  63                 gc.drawPolyline(path);
  64                 gc.setForeground(oldFG);
  65         }
  66 }