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