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

   1 package net.mograsim.logic.model.model.components.atomic;
   2
   3 import org.eclipse.swt.graphics.Color;
   4
   5 import com.google.gson.JsonElement;
   6 import com.google.gson.JsonPrimitive;
   7
   8 import net.haspamelodica.swt.helper.gcs.GeneralGC;
   9 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
  10 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
  11 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  12 import net.mograsim.logic.core.LogicObserver;
  13 import net.mograsim.logic.core.components.BitDisplay;
  14 import net.mograsim.logic.core.types.BitVectorFormatter;
  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.Pin;
  18 import net.mograsim.logic.model.model.wires.PinUsage;
  19 import net.mograsim.logic.model.modeladapter.ViewLogicModelAdapter;
  20 import net.mograsim.logic.model.modeladapter.componentadapters.BitDisplayAdapter;
  21 import net.mograsim.logic.model.serializing.IdentifierGetter;
  22 import net.mograsim.logic.model.serializing.IndirectGUIComponentCreator;
  23 import net.mograsim.preferences.Preferences;
  24
  25 public class GUIBitDisplay extends GUIComponent
  26 {
  27         private static final double width = 20;
  28         private static final double height = 15;
  29         private static final double fontHeight = 5;
  30
  31         public final int logicWidth;
  32         private final Pin inputPin;
  33
  34         private final LogicObserver logicObs;
  35         private BitDisplay bitDisplay;
  36
  37         public GUIBitDisplay(ViewModelModifiable model, int logicWidth)
  38         {
  39                 this(model, logicWidth, null);
  40         }
  41
  42         public GUIBitDisplay(ViewModelModifiable model, int logicWidth, String name)
  43         {
  44                 super(model, name);
  45                 this.logicWidth = logicWidth;
  46                 logicObs = (i) -> model.requestRedraw();
  47
  48                 setSize(width, height);
  49                 addPin(this.inputPin = new Pin(this, "", logicWidth, PinUsage.INPUT, 0, height / 2));
  50         }
  51
  52         @Override
  53         public void render(GeneralGC gc, Rectangle visibleRegion)
  54         {
  55                 Color foreground = Preferences.current().getColor("net.mograsim.logic.model.color.foreground");
  56                 if (foreground != null)
  57                         gc.setForeground(foreground);
  58                 gc.drawRectangle(getBounds());
  59                 String label = bitDisplay == null ? BitVectorFormatter.formatAsString(null)
  60                                 : BitVectorFormatter.formatAsString(bitDisplay.getDisplayedValue());
  61                 Font oldFont = gc.getFont();
  62                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
  63                 gc.setFont(labelFont);
  64                 Point textExtent = gc.textExtent(label);
  65                 Color textColor = Preferences.current().getColor("net.mograsim.logic.model.color.text");
  66                 if (textColor != null)
  67                         gc.setForeground(textColor);
  68                 gc.drawText(label, getPosX() + (width - textExtent.x) / 2, getPosY() + (height - textExtent.y) / 2, true);
  69                 gc.setFont(oldFont);
  70         }
  71
  72         public void setLogicModelBinding(BitDisplay bitDisplay)
  73         {
  74                 if (this.bitDisplay != null)
  75                         this.bitDisplay.deregisterObserver(logicObs);
  76                 this.bitDisplay = bitDisplay;
  77                 if (bitDisplay != null)
  78                         bitDisplay.registerObserver(logicObs);
  79         }
  80
  81         public boolean hasLogicModelBinding()
  82         {
  83                 return bitDisplay != null;
  84         }
  85
  86         public BitDisplay getBitDisplay()
  87         {
  88                 return bitDisplay;
  89         }
  90
  91         public Pin getInputPin()
  92         {
  93                 return inputPin;
  94         }
  95
  96         @Override
  97         public JsonElement getParamsForSerializing(IdentifierGetter idGetter)
  98         {
  99                 return new JsonPrimitive(logicWidth);
 100         }
 101
 102         static
 103         {
 104                 ViewLogicModelAdapter.addComponentAdapter(new BitDisplayAdapter());
 105                 IndirectGUIComponentCreator.setComponentSupplier(GUIBitDisplay.class.getCanonicalName(),
 106                                 (m, p, n) -> new GUIBitDisplay(m, p.getAsInt(), n));
 107         }
 108 }