net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/SimpleRectangularGUIGate.java

   1 package net.mograsim.logic.ui.model.components;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collections;
   5 import java.util.List;
   6
   7 import net.haspamelodica.swt.helper.gcs.GeneralGC;
   8 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
   9 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
  10 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  11 import net.mograsim.logic.ui.model.ViewModelModifiable;
  12 import net.mograsim.logic.ui.model.wires.MovablePin;
  13 import net.mograsim.logic.ui.model.wires.Pin;
  14
  15 public class SimpleRectangularGUIGate extends GUIComponent
  16 {
  17         private static final double width = 20;
  18         private static final double pinDistance = 10;
  19         private static final double fontHeight = 5;
  20         private static final double invertedCircleDiam = 3.5;
  21
  22         private final String label;
  23         protected final int logicWidth;
  24         private final boolean isInverted;
  25         private final double rectWidth;
  26
  27         private MovablePin outputPin;
  28         private final List<Pin> inputPins;
  29         private final List<Pin> inputPinsUnmodifiable;
  30
  31         protected SimpleRectangularGUIGate(ViewModelModifiable model, int logicWidth, String label, boolean isInverted)
  32         {
  33                 super(model);
  34                 this.label = label;
  35                 this.logicWidth = logicWidth;
  36                 this.isInverted = isInverted;
  37                 this.rectWidth = width - (isInverted ? invertedCircleDiam : 0);
  38                 this.outputPin = new MovablePin(this, "Y", logicWidth, width, 0);
  39                 addPin(outputPin);
  40                 this.inputPins = new ArrayList<>();
  41                 this.inputPinsUnmodifiable = Collections.unmodifiableList(inputPins);
  42                 setInputCount(1);
  43         }
  44
  45         protected void setInputCount(int inputCount)
  46         {
  47                 int oldInputCount = inputPins.size();
  48                 setSize(width, inputCount * pinDistance);
  49                 if (oldInputCount > inputCount)
  50                         while (inputPins.size() > inputCount)
  51                                 removePin(inputPins.remove(inputCount));
  52                 else if (oldInputCount < inputCount)
  53                         for (int i = oldInputCount; i < inputCount; i++)
  54                         {
  55                                 // TODO what for more than 26 input pins?
  56                                 Pin pin = new Pin(this, "A" + i, logicWidth, 0, pinDistance / 2 + i * pinDistance);
  57                                 inputPins.add(pin);
  58                                 addPin(pin);
  59                         }
  60                 outputPin.setRelPos(width, inputCount * pinDistance / 2);
  61         }
  62
  63         public Pin getOutputPin()
  64         {
  65                 return outputPin;
  66         }
  67
  68         public List<Pin> getInputPins()
  69         {
  70                 return inputPinsUnmodifiable;
  71         }
  72
  73         @Override
  74         public void render(GeneralGC gc, Rectangle visibleRegion)
  75         {
  76                 double posX = getBounds().x;
  77                 double posY = getBounds().y;
  78
  79                 double height = inputPins.size() * pinDistance;
  80                 gc.drawRectangle(posX, posY, rectWidth, height);
  81                 Font oldFont = gc.getFont();
  82                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
  83                 gc.setFont(labelFont);
  84                 Point textExtent = gc.textExtent(label);
  85                 gc.drawText(label, posX + (rectWidth - textExtent.x) / 2, posY + (height - textExtent.y) / 2, true);
  86                 gc.setFont(oldFont);
  87                 if (isInverted)
  88                         gc.drawOval(posX + rectWidth, posY + (height - invertedCircleDiam) / 2, invertedCircleDiam, invertedCircleDiam);
  89         }
  90 }