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