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

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