Restructured packages

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

diff --git a/LogicUI/src/era/mi/gui/wires/GUIWire.java b/LogicUI/src/era/mi/gui/wires/GUIWire.java
new file mode 100644 (file)
index 0000000..3b04fae
--- /dev/null
+++ b/LogicUI/src/era/mi/gui/wires/GUIWire.java
@@ -0,0 +1,66 @@
+package era.mi.gui.wires;
+
+import java.util.Objects;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Color;
+
+import era.mi.gui.components.BasicGUIComponent;
+import era.mi.logic.wires.WireArray;
+import net.haspamelodica.swt.helper.gcs.GeneralGC;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
+
+public class GUIWire
+{
+       private final WireArray wa;
+       private final double[]  path;
+
+       public GUIWire(Runnable redraw, BasicGUIComponent component1, int component1ConnectionIndex, Point component1Pos, BasicGUIComponent component2, int component2ConnectionIndex, Point component2Pos, Point... path)
+       {
+               this.wa = component1.getConnectedWireArray(component1ConnectionIndex);
+               if(!Objects.equals(wa, component2.getConnectedWireArray(component2ConnectionIndex)))
+                       throw new IllegalArgumentException("Given connection points are not connected!");
+               this.path = new double[path.length * 2 + 4];
+               Point component1ConnectionPoint = component1.getWireArrayConnectionPoint(component1ConnectionIndex);
+               this.path[0] = component1Pos.x + component1ConnectionPoint.x;
+               this.path[1] = component1Pos.y + component1ConnectionPoint.y;
+               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;
+               }
+               Point component2ConnectionPoint = component2.getWireArrayConnectionPoint(component2ConnectionIndex);
+               this.path[this.path.length - 2] = component2Pos.x + component2ConnectionPoint.x;
+               this.path[this.path.length - 1] = component2Pos.y + component2ConnectionPoint.y;
+
+               wa.addObserver((initiator, oldValues) -> redraw.run());
+       }
+
+       public void render(GeneralGC gc)
+       {
+               Color oldFG = gc.getForeground();
+               if(wa.length == 1)
+               {
+                       int fgColorConstant;
+                       switch(wa.getValue())
+                       {
+                               case ONE:
+                                       fgColorConstant = SWT.COLOR_GREEN;
+                                       break;
+                               case ZERO:
+                                       fgColorConstant = SWT.COLOR_BLUE;
+                                       break;
+                               case U:
+                               case X:
+                               case Z:
+                                       fgColorConstant = SWT.COLOR_RED;
+                                       break;
+                               default:
+                                       throw new IllegalArgumentException("Unknown enum constant: " + wa.getValue());
+                       }
+                       gc.setForeground(gc.getDevice().getSystemColor(fgColorConstant));
+               }
+               gc.drawPolyline(path);
+               gc.setForeground(oldFG);
+       }
+}
\ No newline at end of file