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.List;
   5 import java.util.Map;
   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.ModelVisitor;
  12 import net.mograsim.logic.ui.model.ViewModelModifiable;
  13 import net.mograsim.logic.ui.model.wires.MovablePin;
  14 import net.mograsim.logic.ui.model.wires.Pin;
  15
  16 public class SimpleRectangularGUIGate extends GUIComponent
  17 {
  18         private static final double width = 20;
  19         private static final double pinDistance = 10;
  20         private static final double fontHeight = 5;
  21         private static final double invertedCircleDiam = 3.5;
  22
  23         private final String label;
  24         protected final int logicWidth;
  25         private final boolean isInverted;
  26         private final double rectWidth;
  27
  28         private MovablePin outputPin;
  29         private final List<Pin> inputPins;
  30
  31         public static final String kLogicWidth = "logicWidth";
  32
  33         protected SimpleRectangularGUIGate(ViewModelModifiable model, int logicWidth, String label, boolean isInverted)
  34         {
  35                 super(model);
  36                 this.label = label;
  37                 this.logicWidth = logicWidth;
  38                 this.isInverted = isInverted;
  39                 this.rectWidth = width - (isInverted ? invertedCircleDiam : 0);
  40                 this.outputPin = new MovablePin(this, "Y", logicWidth, width, 0);
  41                 addPin(outputPin);
  42                 this.inputPins = new ArrayList<>();
  43                 setInputCount(1);
  44         }
  45
  46         protected void setInputCount(int inputCount)
  47         {
  48                 int oldInputCount = inputPins.size();
  49                 setSize(width, inputCount * pinDistance);
  50                 if (oldInputCount > inputCount)
  51                         while (inputPins.size() > inputCount)
  52                                 removePin(inputPins.remove(inputCount).name);
  53                 else if (oldInputCount < inputCount)
  54                         for (int i = oldInputCount; i < inputCount; i++)
  55                         {
  56                                 // TODO what for more than 24 input pins?
  57                                 Pin pin = new Pin(this, String.valueOf((char) ('A' + i)), logicWidth, 0, pinDistance / 2 + i * pinDistance);
  58                                 inputPins.add(pin);
  59                                 addPin(pin);
  60                         }
  61                 outputPin.setRelPos(width, inputCount * pinDistance / 2);
  62         }
  63
  64         @Override
  65         public void render(GeneralGC gc, Rectangle visibleRegion)
  66         {
  67                 double height = (getPins().size() - 1) * pinDistance;
  68                 gc.drawRectangle(getPosX(), getPosY(), rectWidth, height);
  69                 Font oldFont = gc.getFont();
  70                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
  71                 gc.setFont(labelFont);
  72                 Point textExtent = gc.textExtent(label);
  73                 gc.drawText(label, getPosX() + (rectWidth - textExtent.x) / 2, getPosY() + (height - textExtent.y) / 2, true);
  74                 gc.setFont(oldFont);
  75                 if (isInverted)
  76                         gc.drawOval(getPosX() + rectWidth, getPosY() + (height - invertedCircleDiam) / 2, invertedCircleDiam, invertedCircleDiam);
  77         }
  78
  79         @Override
  80         public Map<String, Object> getInstantiationParameters()
  81         {
  82                 Map<String, Object> m = super.getInstantiationParameters();
  83                 m.put(kLogicWidth, logicWidth);
  84                 return m;
  85         }
  86
  87         @Override
  88         public void accept(ModelVisitor mv)
  89         {
  90                 mv.visit(this);
  91         }
  92 }