plugins/net.mograsim.logic.model/src/net/mograsim/logic/model/model/components/atomic/ModelBitDisplay.java

   1 package net.mograsim.logic.model.model.components.atomic;
   2
   3 import org.eclipse.swt.graphics.Color;
   4
   5 import net.haspamelodica.swt.helper.gcs.GeneralGC;
   6 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
   7 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
   8 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
   9 import net.mograsim.logic.core.LogicObserver;
  10 import net.mograsim.logic.core.components.CoreBitDisplay;
  11 import net.mograsim.logic.core.types.BitVector;
  12 import net.mograsim.logic.core.types.BitVectorFormatter;
  13 import net.mograsim.logic.model.model.LogicModelModifiable;
  14 import net.mograsim.logic.model.model.components.ModelComponent;
  15 import net.mograsim.logic.model.model.wires.Pin;
  16 import net.mograsim.logic.model.model.wires.PinUsage;
  17 import net.mograsim.logic.model.modeladapter.LogicCoreAdapter;
  18 import net.mograsim.logic.model.modeladapter.componentadapters.BitDisplayAdapter;
  19 import net.mograsim.logic.model.serializing.IdentifyParams;
  20 import net.mograsim.logic.model.serializing.IndirectModelComponentCreator;
  21 import net.mograsim.preferences.Preferences;
  22
  23 public class ModelBitDisplay extends ModelComponent
  24 {
  25         private static final double width = 20;
  26         private static final double height = 15;
  27         private static final double fontHeight = 5;
  28
  29         public final int logicWidth;
  30         private final Pin inputPin;
  31
  32         private final LogicObserver logicObs;
  33         private CoreBitDisplay bitDisplay;
  34
  35         public ModelBitDisplay(LogicModelModifiable model, int logicWidth)
  36         {
  37                 this(model, logicWidth, null);
  38         }
  39
  40         public ModelBitDisplay(LogicModelModifiable model, int logicWidth, String name)
  41         {
  42                 super(model, name, false);
  43                 this.logicWidth = logicWidth;
  44                 logicObs = (i) -> model.requestRedraw();
  45
  46                 setSize(width, height);
  47                 addPin(this.inputPin = new Pin(model, this, "", logicWidth, PinUsage.INPUT, 0, height / 2));
  48
  49                 init();
  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;
  60                 if (bitDisplay == null)
  61                         label = BitVectorFormatter.formatAsString(null);
  62                 else
  63                 {
  64                         BitVector toDisplay = bitDisplay.getDisplayedValue();
  65                         label = toDisplay != null && toDisplay.isHighImpedance() ? "-"
  66                                         : BitVectorFormatter.formatAsString(bitDisplay.getDisplayedValue());
  67                 }
  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                 Color textColor = Preferences.current().getColor("net.mograsim.logic.model.color.text");
  73                 if (textColor != null)
  74                         gc.setForeground(textColor);
  75                 gc.drawText(label, getPosX() + (width - textExtent.x) / 2, getPosY() + (height - textExtent.y) / 2, true);
  76                 gc.setFont(oldFont);
  77         }
  78
  79         public void setCoreModelBinding(CoreBitDisplay bitDisplay)
  80         {
  81                 if (this.bitDisplay != null)
  82                         this.bitDisplay.deregisterObserver(logicObs);
  83                 this.bitDisplay = bitDisplay;
  84                 if (bitDisplay != null)
  85                         bitDisplay.registerObserver(logicObs);
  86         }
  87
  88         public boolean hasCoreModelBinding()
  89         {
  90                 return bitDisplay != null;
  91         }
  92
  93         public CoreBitDisplay getBitDisplay()
  94         {
  95                 return bitDisplay;
  96         }
  97
  98         public Pin getInputPin()
  99         {
 100                 return inputPin;
 101         }
 102
 103         @Override
 104         public String getIDForSerializing(IdentifyParams idParams)
 105         {
 106                 return "BitDisplay";
 107         }
 108
 109         @Override
 110         public Integer getParamsForSerializing(IdentifyParams idParams)
 111         {
 112                 return logicWidth;
 113         }
 114
 115         static
 116         {
 117                 LogicCoreAdapter.addComponentAdapter(new BitDisplayAdapter());
 118                 IndirectModelComponentCreator.setComponentSupplier(ModelBitDisplay.class.getCanonicalName(),
 119                                 (m, p, n) -> new ModelBitDisplay(m, p.getAsInt(), n));
 120         }
 121 }