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.logic.ui.serializing.IndirectGUIComponentCreator;
  21 import net.mograsim.preferences.Preferences;
  22
  23 public class GUIManualSwitch extends GUIComponent
  24 {
  25         private static final double width = 20;
  26         private static final double height = 15;
  27         private static final double fontHeight = 5;
  28
  29         private final Pin outputPin;
  30
  31         private final LogicObserver logicObs;
  32         private ManualSwitch logicSwitch;
  33         private ReadEnd end;
  34
  35         public GUIManualSwitch(ViewModelModifiable model)
  36         {
  37                 super(model);
  38                 logicObs = (i) -> requestRedraw();
  39
  40                 setSize(width, height);
  41                 addPin(this.outputPin = new Pin(this, "", 1, width, height / 2));
  42         }
  43
  44         @Override
  45         public void render(GeneralGC gc, Rectangle visibleRegion)
  46         {
  47                 // TODO maybe draw switch state too?
  48                 Color foreground = Preferences.current().getColor("net.mograsim.logic.ui.color.foreground");
  49                 if (foreground != null)
  50                         gc.setForeground(foreground);
  51                 gc.drawRectangle(getBounds());
  52                 String label = BitVectorFormatter.formatValueAsString(end);
  53                 Font oldFont = gc.getFont();
  54                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
  55                 gc.setFont(labelFont);
  56                 Point textExtent = gc.textExtent(label);
  57                 Color textColor = Preferences.current().getColor("net.mograsim.logic.ui.color.text");
  58                 if (textColor != null)
  59                         gc.setForeground(textColor);
  60                 gc.drawText(label, getPosX() + (width - textExtent.x) / 2, getPosY() + (height - textExtent.y) / 2, true);
  61                 gc.setFont(oldFont);
  62         }
  63
  64         public void setLogicModelBinding(ManualSwitch logicSwitch, ReadEnd end)
  65         {
  66                 deregisterLogicObs(this.end);
  67                 deregisterLogicObs(this.logicSwitch);
  68                 this.logicSwitch = logicSwitch;
  69                 this.end = end;
  70                 registerLogicObs(end);
  71                 registerLogicObs(logicSwitch);
  72         }
  73
  74         public boolean hasLogicModelBinding()
  75         {
  76                 return logicSwitch != null;
  77         }
  78
  79         @Override
  80         public void setHighLevelState(String stateID, Object newState)
  81         {
  82                 switch (stateID)
  83                 {
  84                 case "out":
  85                         if (logicSwitch != null)
  86                                 logicSwitch.setToValueOf((Bit) newState);
  87                         break;
  88                 default:
  89                         super.setHighLevelState(stateID, newState);
  90                         break;
  91                 }
  92         }
  93
  94         @Override
  95         public Object getHighLevelState(String stateID)
  96         {
  97                 switch (stateID)
  98                 {
  99                 case "out":
 100                         if (logicSwitch != null)
 101                                 return logicSwitch.getValue();
 102                         return null;
 103                 default:
 104                         return super.getHighLevelState(stateID);
 105                 }
 106         }
 107
 108         private void registerLogicObs(LogicObservable observable)
 109         {
 110                 if (observable != null)
 111                         observable.registerObserver(logicObs);
 112         }
 113
 114         private void deregisterLogicObs(LogicObservable observable)
 115         {
 116                 if (observable != null)
 117                         observable.deregisterObserver(logicObs);
 118         }
 119
 120         @Override
 121         public boolean clicked(double x, double y)
 122         {
 123                 if (logicSwitch != null)
 124                         logicSwitch.toggle();
 125                 return true;
 126         }
 127
 128         public ManualSwitch getManualSwitch()
 129         {
 130                 return logicSwitch;
 131         }
 132
 133         public Pin getOutputPin()
 134         {
 135                 return outputPin;
 136         }
 137
 138         static
 139         {
 140                 ViewLogicModelAdapter.addComponentAdapter(new ManualSwitchAdapter());
 141                 IndirectGUIComponentCreator.setComponentSupplier(GUIManualSwitch.class.getName(), (m, p) -> new GUIManualSwitch(m));
 142         }
 143 }