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

   1 package era.mi.gui.wires;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collections;
   5 import java.util.List;
   6
   7 import org.eclipse.swt.graphics.Color;
   8
   9 import era.mi.gui.components.BasicGUIComponent;
  10 import era.mi.logic.wires.Wire;
  11 import era.mi.logic.wires.Wire.ReadEnd;
  12 import net.haspamelodica.swt.helper.gcs.GeneralGC;
  13 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
  14 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  15
  16 public class WireConnectionPoint implements BasicGUIComponent
  17 {
  18         private final Wire wire;
  19         private final List<ReadEnd> wireEnds;
  20         private final int wiresCrossing;
  21
  22         public WireConnectionPoint(Wire wire, int wiresCrossing)
  23         {
  24                 this.wire = wire;
  25                 List<ReadEnd> wireEndsModifiable = new ArrayList<>();
  26                 for (int i = 0; i < wiresCrossing; i++)
  27                         wireEndsModifiable.add(wire.createReadOnlyEnd());
  28                 wireEnds = Collections.unmodifiableList(wireEndsModifiable);
  29                 this.wiresCrossing = wiresCrossing;
  30         }
  31
  32         @Override
  33         public void render(GeneralGC gc)
  34         {
  35                 Color oldBG = gc.getBackground();
  36                 if (wire.length == 1)
  37                         gc.setBackground(gc.getDevice().getSystemColor(GUIWire.getSWTColorConstantForBit(wire.getValue())));
  38                 gc.fillOval(-1, -1, 2, 2);
  39                 gc.setBackground(oldBG);
  40         }
  41
  42         @Override
  43         public Rectangle getBounds()
  44         {
  45                 return new Rectangle(0, 0, 0, 0);
  46         }
  47
  48         @Override
  49         public int getConnectedWireEndsCount()
  50         {
  51                 return wiresCrossing;
  52         }
  53
  54         @Override
  55         public ReadEnd getConnectedWireEnd(int connectionIndex)
  56         {
  57                 return wireEnds.get(connectionIndex);
  58         }
  59
  60         @Override
  61         public Point getWireEndConnectionPoint(int connectionIndex)
  62         {
  63                 return new Point(0, 0);
  64         }
  65 }