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

   1 package net.mograsim.logic.ui.model.components;
   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.BitVectorFormatter;
  13 import net.mograsim.logic.core.wires.Wire.ReadEnd;
  14 import net.mograsim.logic.ui.model.ViewModelModifiable;
  15 import net.mograsim.logic.ui.model.wires.Pin;
  16 import net.mograsim.logic.ui.modeladapter.ViewLogicModelAdapter;
  17 import net.mograsim.logic.ui.modeladapter.componentadapters.ManualSwitchAdapter;
  18 import net.mograsim.preferences.Preferences;
  19
  20 public class GUIManualSwitch extends GUIComponent
  21 {
  22         private static final double width = 20;
  23         private static final double height = 15;
  24         private static final double fontHeight = 5;
  25
  26         private final Pin outputPin;
  27
  28         private final LogicObserver logicObs;
  29         private ManualSwitch logicSwitch;
  30         private ReadEnd end;
  31
  32         public GUIManualSwitch(ViewModelModifiable model)
  33         {
  34                 super(model);
  35                 logicObs = (i) -> requestRedraw();
  36
  37                 setSize(width, height);
  38                 addPin(this.outputPin = new Pin(this, "", 1, width, height / 2));
  39         }
  40
  41         @Override
  42         public void render(GeneralGC gc, Rectangle visibleRegion)
  43         {
  44                 // TODO maybe draw switch state too?
  45                 Color foreground = Preferences.current().getColor("net.mograsim.logic.ui.color.foreground");
  46                 if (foreground != null)
  47                         gc.setForeground(foreground);
  48                 gc.drawRectangle(getBounds());
  49                 String label = BitVectorFormatter.formatValueAsString(end);
  50                 Font oldFont = gc.getFont();
  51                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
  52                 gc.setFont(labelFont);
  53                 Point textExtent = gc.textExtent(label);
  54                 Color textColor = Preferences.current().getColor("net.mograsim.logic.ui.color.text");
  55                 if (textColor != null)
  56                         gc.setForeground(textColor);
  57                 gc.drawText(label, getPosX() + (width - textExtent.x) / 2, getPosY() + (height - textExtent.y) / 2, true);
  58                 gc.setFont(oldFont);
  59         }
  60
  61         public void setLogicModelBinding(ManualSwitch logicSwitch, ReadEnd end)
  62         {
  63                 deregisterLogicObs(this.end);
  64                 deregisterLogicObs(this.logicSwitch);
  65                 this.logicSwitch = logicSwitch;
  66                 this.end = end;
  67                 registerLogicObs(end);
  68                 registerLogicObs(logicSwitch);
  69         }
  70
  71         private void registerLogicObs(LogicObservable observable)
  72         {
  73                 if (observable != null)
  74                         observable.registerObserver(logicObs);
  75         }
  76
  77         private void deregisterLogicObs(LogicObservable observable)
  78         {
  79                 if (observable != null)
  80                         observable.deregisterObserver(logicObs);
  81         }
  82
  83         @Override
  84         public boolean clicked(double x, double y)
  85         {
  86                 if (logicSwitch != null)
  87                         logicSwitch.toggle();
  88                 return true;
  89         }
  90
  91         public ManualSwitch getManualSwitch()
  92         {
  93                 return logicSwitch;
  94         }
  95
  96         public Pin getOutputPin()
  97         {
  98                 return outputPin;
  99         }
 100
 101         static
 102         {
 103                 ViewLogicModelAdapter.addComponentAdapter(new ManualSwitchAdapter());
 104         }
 105 }