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

   1 package net.mograsim.logic.model.model.components.atomic;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 import org.eclipse.swt.graphics.Color;
   7
   8 import com.google.gson.JsonElement;
   9 import com.google.gson.JsonPrimitive;
  10
  11 import net.haspamelodica.swt.helper.gcs.GeneralGC;
  12 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
  13 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
  14 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  15 import net.mograsim.logic.model.model.ViewModelModifiable;
  16 import net.mograsim.logic.model.model.components.GUIComponent;
  17 import net.mograsim.logic.model.model.wires.MovablePin;
  18 import net.mograsim.logic.model.model.wires.Pin;
  19 import net.mograsim.preferences.Preferences;
  20
  21 public class SimpleRectangularGUIGate extends GUIComponent
  22 {
  23         private static final double width = 20;
  24         private static final double pinDistance = 10;
  25         private static final double fontHeight = 5;
  26         private static final double invertedCircleDiam = 3.5;
  27
  28         private final String label;
  29         private final boolean isInverted;
  30         protected final int logicWidth;
  31         private final double rectWidth;
  32
  33         private MovablePin outputPin;
  34         private final List<Pin> inputPins;
  35
  36         protected SimpleRectangularGUIGate(ViewModelModifiable model, String label, boolean isInverted, int logicWidth, String name)
  37         {
  38                 super(model, name);
  39                 this.label = label;
  40                 this.logicWidth = logicWidth;
  41                 this.isInverted = isInverted;
  42                 this.rectWidth = width - (isInverted ? invertedCircleDiam : 0);
  43                 this.outputPin = new MovablePin(this, "Y", logicWidth, width, 0);
  44                 addPin(outputPin);
  45                 this.inputPins = new ArrayList<>();
  46                 setInputCount(1);
  47         }
  48
  49         protected void setInputCount(int inputCount)
  50         {
  51                 int oldInputCount = inputPins.size();
  52                 setSize(width, inputCount * pinDistance);
  53                 if (oldInputCount > inputCount)
  54                         while (inputPins.size() > inputCount)
  55                                 removePin(inputPins.remove(inputCount).name);
  56                 else if (oldInputCount < inputCount)
  57                         for (int i = oldInputCount; i < inputCount; i++)
  58                         {
  59                                 // TODO what for more than 24 input pins?
  60                                 Pin pin = new Pin(this, String.valueOf((char) ('A' + i)), logicWidth, 0, pinDistance / 2 + i * pinDistance);
  61                                 inputPins.add(pin);
  62                                 addPin(pin);
  63                         }
  64                 outputPin.setRelPos(width, inputCount * pinDistance / 2);
  65         }
  66
  67         @Override
  68         public void render(GeneralGC gc, Rectangle visibleRegion)
  69         {
  70                 Color foreground = Preferences.current().getColor("net.mograsim.logic.ui.color.foreground");
  71                 if (foreground != null)
  72                         gc.setForeground(foreground);
  73                 double height = (getPins().size() - 1) * pinDistance;
  74                 gc.drawRectangle(getPosX(), getPosY(), rectWidth, height);
  75                 if (isInverted)
  76                         gc.drawOval(getPosX() + rectWidth, getPosY() + (height - invertedCircleDiam) / 2, invertedCircleDiam, invertedCircleDiam);
  77                 Font oldFont = gc.getFont();
  78                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
  79                 gc.setFont(labelFont);
  80                 Point textExtent = gc.textExtent(label);
  81                 Color textColor = Preferences.current().getColor("net.mograsim.logic.ui.color.text");
  82                 if (textColor != null)
  83                         gc.setForeground(textColor);
  84                 gc.drawText(label, getPosX() + (rectWidth - textExtent.x) / 2, getPosY() + (height - textExtent.y) / 2, true);
  85                 gc.setFont(oldFont);
  86         }
  87
  88         // serializing
  89
  90         /**
  91          * {@link SimpleRectangularGUIGate}s implementation returns a {@link JsonPrimitive} of type int containing the {@link #logicWidth} of
  92          * this component.
  93          *
  94          * @see GUIComponent#getParams()
  95          */
  96         @Override
  97         public JsonElement getParams()
  98         {
  99                 return new JsonPrimitive(logicWidth);
 100         }
 101 }