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         public final int logicWidth;
  31         private final Pin inputPin;
  32
  33         private final LogicObserver logicObs;
  34         private BitDisplay bitDisplay;
  35
  36         public GUIBitDisplay(ViewModelModifiable model, int logicWidth)
  37         {
  38                 this(model, logicWidth, null);
  39         }
  40
  41         public GUIBitDisplay(ViewModelModifiable model, int logicWidth, String name)
  42         {
  43                 super(model, name);
  44                 this.logicWidth = logicWidth;
  45                 logicObs = (i) -> model.requestRedraw();
  46
  47                 setSize(width, height);
  48                 addPin(this.inputPin = new Pin(this, "", logicWidth, 0, height / 2));
  49         }
  50
  51         @Override
  52         public void render(GeneralGC gc, Rectangle visibleRegion)
  53         {
  54                 Color foreground = Preferences.current().getColor("net.mograsim.logic.model.color.foreground");
  55                 if (foreground != null)
  56                         gc.setForeground(foreground);
  57                 gc.drawRectangle(getBounds());
  58                 String label = bitDisplay == null ? BitVectorFormatter.formatAsString(null)
  59                                 : BitVectorFormatter.formatAsString(bitDisplay.getDisplayedValue());
  60                 Font oldFont = gc.getFont();
  61                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
  62                 gc.setFont(labelFont);
  63                 Point textExtent = gc.textExtent(label);
  64                 Color textColor = Preferences.current().getColor("net.mograsim.logic.model.color.text");
  65                 if (textColor != null)
  66                         gc.setForeground(textColor);
  67                 gc.drawText(label, getPosX() + (width - textExtent.x) / 2, getPosY() + (height - textExtent.y) / 2, true);
  68                 gc.setFont(oldFont);
  69         }
  70
  71         public void setLogicModelBinding(BitDisplay bitDisplay)
  72         {
  73                 if (this.bitDisplay != null)
  74                         this.bitDisplay.deregisterObserver(logicObs);
  75                 this.bitDisplay = bitDisplay;
  76                 if (bitDisplay != null)
  77                         bitDisplay.registerObserver(logicObs);
  78         }
  79
  80         public boolean hasLogicModelBinding()
  81         {
  82                 return bitDisplay != null;
  83         }
  84
  85         public BitDisplay getBitDisplay()
  86         {
  87                 return bitDisplay;
  88         }
  89
  90         public Pin getInputPin()
  91         {
  92                 return inputPin;
  93         }
  94
  95         @Override
  96         public JsonElement getParamsForSerializing(IdentifierGetter idGetter)
  97         {
  98                 return new JsonPrimitive(logicWidth);
  99         }
 100
 101         static
 102         {
 103                 ViewLogicModelAdapter.addComponentAdapter(new BitDisplayAdapter());
 104                 IndirectGUIComponentCreator.setComponentSupplier(GUIBitDisplay.class.getCanonicalName(),
 105                                 (m, p, n) -> new GUIBitDisplay(m, p.getAsInt(), n));
 106         }
 107 }