net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/atomic/GUIManualSwitch.java

   1 package net.mograsim.logic.ui.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.LogicObservable;
  10 import net.mograsim.logic.core.LogicObserver;
  11 import net.mograsim.logic.core.components.ManualSwitch;
  12 import net.mograsim.logic.core.types.Bit;
  13 import net.mograsim.logic.core.types.BitVectorFormatter;
  14 import net.mograsim.logic.core.wires.Wire.ReadEnd;
  15 import net.mograsim.logic.ui.model.ViewModelModifiable;
  16 import net.mograsim.logic.ui.model.components.GUIComponent;
  17 import net.mograsim.logic.ui.model.wires.Pin;
  18 import net.mograsim.logic.ui.modeladapter.ViewLogicModelAdapter;
  19 import net.mograsim.logic.ui.modeladapter.componentadapters.ManualSwitchAdapter;
  20 import net.mograsim.preferences.Preferences;
  21
  22 public class GUIManualSwitch extends GUIComponent
  23 {
  24         private static final double width = 20;
  25         private static final double height = 15;
  26         private static final double fontHeight = 5;
  27
  28         private final Pin outputPin;
  29
  30         private final LogicObserver logicObs;
  31         private ManualSwitch logicSwitch;
  32         private ReadEnd end;
  33
  34         public GUIManualSwitch(ViewModelModifiable model)
  35         {
  36                 super(model);
  37                 logicObs = (i) -> requestRedraw();
  38
  39                 setSize(width, height);
  40                 addPin(this.outputPin = new Pin(this, "", 1, width, height / 2));
  41         }
  42
  43         @Override
  44         public void render(GeneralGC gc, Rectangle visibleRegion)
  45         {
  46                 // TODO maybe draw switch state too?
  47                 Color foreground = Preferences.current().getColor("net.mograsim.logic.ui.color.foreground");
  48                 if (foreground != null)
  49                         gc.setForeground(foreground);
  50                 gc.drawRectangle(getBounds());
  51                 String label = BitVectorFormatter.formatValueAsString(end);
  52                 Font oldFont = gc.getFont();
  53                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
  54                 gc.setFont(labelFont);
  55                 Point textExtent = gc.textExtent(label);
  56                 Color textColor = Preferences.current().getColor("net.mograsim.logic.ui.color.text");
  57                 if (textColor != null)
  58                         gc.setForeground(textColor);
  59                 gc.drawText(label, getPosX() + (width - textExtent.x) / 2, getPosY() + (height - textExtent.y) / 2, true);
  60                 gc.setFont(oldFont);
  61         }
  62
  63         public void setLogicModelBinding(ManualSwitch logicSwitch, ReadEnd end)
  64         {
  65                 deregisterLogicObs(this.end);
  66                 deregisterLogicObs(this.logicSwitch);
  67                 this.logicSwitch = logicSwitch;
  68                 this.end = end;
  69                 registerLogicObs(end);
  70                 registerLogicObs(logicSwitch);
  71         }
  72
  73         public boolean hasLogicModelBinding()
  74         {
  75                 return logicSwitch != null;
  76         }
  77
  78         @Override
  79         public void setHighLevelState(String stateID, Object newState)
  80         {
  81                 switch (stateID)
  82                 {
  83                 case "out":
  84                         if (logicSwitch != null)
  85                                 logicSwitch.setToValueOf((Bit) newState);
  86                         break;
  87                 default:
  88                         super.setHighLevelState(stateID, newState);
  89                         break;
  90                 }
  91         }
  92
  93         @Override
  94         public Object getHighLevelState(String stateID)
  95         {
  96                 switch (stateID)
  97                 {
  98                 case "out":
  99                         if (logicSwitch != null)
 100                                 return logicSwitch.getValue();
 101                         return null;
 102                 default:
 103                         return super.getHighLevelState(stateID);
 104                 }
 105         }
 106
 107         private void registerLogicObs(LogicObservable observable)
 108         {
 109                 if (observable != null)
 110                         observable.registerObserver(logicObs);
 111         }
 112
 113         private void deregisterLogicObs(LogicObservable observable)
 114         {
 115                 if (observable != null)
 116                         observable.deregisterObserver(logicObs);
 117         }
 118
 119         @Override
 120         public boolean clicked(double x, double y)
 121         {
 122                 if (logicSwitch != null)
 123                         logicSwitch.toggle();
 124                 return true;
 125         }
 126
 127         public ManualSwitch getManualSwitch()
 128         {
 129                 return logicSwitch;
 130         }
 131
 132         public Pin getOutputPin()
 133         {
 134                 return outputPin;
 135         }
 136
 137         static
 138         {
 139                 ViewLogicModelAdapter.addComponentAdapter(new ManualSwitchAdapter());
 140         }
 141 }