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 static net.mograsim.logic.model.preferences.RenderPreferences.FOREGROUND_COLOR;
   4 import static net.mograsim.logic.model.preferences.RenderPreferences.TEXT_COLOR;
   5
   6 import org.eclipse.swt.graphics.Color;
   7
   8 import net.haspamelodica.swt.helper.gcs.GeneralGC;
   9 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
  10 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  11 import net.mograsim.logic.core.LogicObserver;
  12 import net.mograsim.logic.core.components.CoreBitDisplay;
  13 import net.mograsim.logic.model.BitVectorFormatter;
  14 import net.mograsim.logic.model.model.LogicModelModifiable;
  15 import net.mograsim.logic.model.model.components.ModelComponent;
  16 import net.mograsim.logic.model.model.wires.Pin;
  17 import net.mograsim.logic.model.model.wires.PinUsage;
  18 import net.mograsim.logic.model.modeladapter.LogicCoreAdapter;
  19 import net.mograsim.logic.model.modeladapter.componentadapters.BitDisplayAdapter;
  20 import net.mograsim.logic.model.preferences.RenderPreferences;
  21 import net.mograsim.logic.model.serializing.IdentifyParams;
  22 import net.mograsim.logic.model.serializing.IndirectModelComponentCreator;
  23 import net.mograsim.logic.model.util.TextRenderingHelper;
  24
  25 public class ModelBitDisplay extends ModelComponent
  26 {
  27         private static final double width = 20;
  28         private static final double height = 10;
  29         private static final double fontHeight = 5;
  30         private static final double textMargin = 0.5;
  31
  32         public final int logicWidth;
  33         private final Pin inputPin;
  34
  35         private final LogicObserver logicObs;
  36         private CoreBitDisplay bitDisplay;
  37
  38         public ModelBitDisplay(LogicModelModifiable model, int logicWidth)
  39         {
  40                 this(model, logicWidth, null);
  41         }
  42
  43         public ModelBitDisplay(LogicModelModifiable model, int logicWidth, String name)
  44         {
  45                 super(model, name, false);
  46                 this.logicWidth = logicWidth;
  47                 logicObs = (i) -> model.requestRedraw();
  48
  49                 setSize(width, height);
  50                 addPin(this.inputPin = new Pin(model, this, "", logicWidth, PinUsage.INPUT, 0, height / 2));
  51
  52                 init();
  53         }
  54
  55         @Override
  56         public void render(GeneralGC gc, RenderPreferences renderPrefs, Rectangle visibleRegion)
  57         {
  58                 Color foreground = renderPrefs.getColor(FOREGROUND_COLOR);
  59                 if (foreground != null)
  60                         gc.setForeground(foreground);
  61                 gc.drawRectangle(getBounds());
  62                 String label = BitVectorFormatter.formatAsString(bitDisplay == null ? null : bitDisplay.getDisplayedValue(), true);
  63                 Font oldFont = gc.getFont();
  64                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
  65                 gc.setFont(labelFont);
  66                 Color textColor = renderPrefs.getColor(TEXT_COLOR);
  67                 if (textColor != null)
  68                         gc.setForeground(textColor);
  69                 TextRenderingHelper.drawTextFitting(gc, label, getBounds(), textMargin, true);
  70                 gc.setFont(oldFont);
  71         }
  72
  73         public void setCoreModelBinding(CoreBitDisplay bitDisplay)
  74         {
  75                 if (this.bitDisplay != null)
  76                         this.bitDisplay.deregisterObserver(logicObs);
  77                 this.bitDisplay = bitDisplay;
  78                 if (bitDisplay != null)
  79                         bitDisplay.registerObserver(logicObs);
  80         }
  81
  82         public boolean hasCoreModelBinding()
  83         {
  84                 return bitDisplay != null;
  85         }
  86
  87         public CoreBitDisplay getBitDisplay()
  88         {
  89                 return bitDisplay;
  90         }
  91
  92         public Pin getInputPin()
  93         {
  94                 return inputPin;
  95         }
  96
  97         @Override
  98         public String getIDForSerializing(IdentifyParams idParams)
  99         {
 100                 return "BitDisplay";
 101         }
 102
 103         @Override
 104         public Integer getParamsForSerializing(IdentifyParams idParams)
 105         {
 106                 return logicWidth;
 107         }
 108
 109         static
 110         {
 111                 LogicCoreAdapter.addComponentAdapter(new BitDisplayAdapter());
 112                 IndirectModelComponentCreator.setComponentSupplier(ModelBitDisplay.class.getCanonicalName(),
 113                                 (m, p, n) -> new ModelBitDisplay(m, p.getAsInt(), n));
 114         }
 115 }