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

   1 package net.mograsim.logic.ui.model.components;
   2
   3 import java.util.Collections;
   4 import java.util.HashMap;
   5 import java.util.Map;
   6 import java.util.Map.Entry;
   7
   8 import net.haspamelodica.swt.helper.gcs.GCDefaultConfig;
   9 import net.haspamelodica.swt.helper.gcs.GeneralGC;
  10 import net.haspamelodica.swt.helper.gcs.TranslatedGC;
  11 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  12 import net.mograsim.logic.ui.LogicUIRenderer;
  13 import net.mograsim.logic.ui.model.ViewModel;
  14 import net.mograsim.logic.ui.model.ViewModelModifiable;
  15 import net.mograsim.logic.ui.model.wires.Pin;
  16
  17 public class SubmodelComponent extends GUIComponent
  18 {
  19         protected final ViewModelModifiable submodelModifiable;
  20         public final ViewModel submodel;
  21         private final Map<PinMovable, PinMovable> submodelPinsPerSupermodelPin;
  22         private final Map<Pin, Pin> submodelPinsPerSupermodelPinUnmodifiable;
  23         private final Map<PinMovable, PinMovable> supermodelPinsPerSubmodelPin;
  24         private final Map<Pin, Pin> supermodelPinsPerSubmodelPinUnmodifiable;
  25         private final SubmodelInterface submodelInterface;
  26
  27         private double submodelScale;
  28         private double maxVisibleRegionFillRatioForAlpha0;
  29         private double minVisibleRegionFillRatioForAlpha1;
  30         private final LogicUIRenderer renderer;
  31
  32         public SubmodelComponent(ViewModelModifiable model)
  33         {
  34                 super(model);
  35                 this.submodelModifiable = new ViewModelModifiable();
  36                 this.submodel = submodelModifiable;
  37                 this.submodelPinsPerSupermodelPin = new HashMap<>();
  38                 this.submodelPinsPerSupermodelPinUnmodifiable = Collections.unmodifiableMap(submodelPinsPerSupermodelPin);
  39                 this.supermodelPinsPerSubmodelPin = new HashMap<>();
  40                 this.supermodelPinsPerSubmodelPinUnmodifiable = Collections.unmodifiableMap(supermodelPinsPerSubmodelPin);
  41                 this.submodelInterface = new SubmodelInterface(submodelModifiable);
  42
  43                 this.submodelScale = 1;
  44                 this.maxVisibleRegionFillRatioForAlpha0 = 0.1;
  45                 this.minVisibleRegionFillRatioForAlpha1 = 0.8;
  46                 this.renderer = new LogicUIRenderer(submodelModifiable);
  47
  48                 submodelModifiable.addRedrawListener(this::requestRedraw);
  49         }
  50
  51         protected void setSubmodelScale(double submodelScale)
  52         {
  53                 this.submodelScale = submodelScale;
  54
  55                 for (Entry<PinMovable, PinMovable> e : supermodelPinsPerSubmodelPin.entrySet())
  56                         e.getKey().setRelPos(e.getValue().getRelX() * submodelScale, e.getValue().getRelY() * submodelScale);
  57
  58                 requestRedraw();// needed if there is no submodel interface pin
  59         }
  60
  61         /**
  62          * Returns the submodel pin.
  63          */
  64         protected Pin addSubmodelInterface(int logicWidth, double relX, double relY)
  65         {
  66                 PinMovable submodelPin = new PinMovable(submodelInterface, logicWidth, relX / submodelScale, relY / submodelScale);
  67                 submodelInterface.addPin(submodelPin);
  68
  69                 PinMovable supermodelPin = new PinMovable(this, logicWidth, relX, relY);
  70                 addPin(supermodelPin);
  71
  72                 submodelPinsPerSupermodelPin.put(supermodelPin, submodelPin);
  73                 supermodelPinsPerSubmodelPin.put(submodelPin, supermodelPin);
  74
  75                 // no need to call requestRedraw() because addPin() will request a redraw
  76                 return submodelPin;
  77         }
  78
  79         protected void moveSubmodelInterface(Pin supermodelPin, double relX, double relY)
  80         {
  81                 PinMovable submodelPin = getSubmodelMovablePin(supermodelPin);
  82                 PinMovable supermodelPinMovable = getSupermodelMovablePin(submodelPin);
  83
  84                 submodelPin.setRelPos(relX / submodelScale, relY / submodelScale);
  85                 supermodelPinMovable.setRelPos(relX, relY);
  86
  87                 // no need to call requestRedraw() because setRelPos() will request a redraw
  88         }
  89
  90         protected void removeSubmodelInterface(Pin supermodelPin)
  91         {
  92                 removePin(supermodelPin);
  93                 Pin submodelPin = getSubmodelMovablePin(supermodelPin);
  94                 submodelInterface.removePin(submodelPin);
  95
  96                 submodelPinsPerSupermodelPin.remove(supermodelPin);
  97                 supermodelPinsPerSubmodelPin.remove(submodelPin);
  98
  99                 // no need to call requestRedraw() because removePin() will request a redraw
 100         }
 101
 102         public Map<Pin, Pin> getSupermodelPinsPerSubmodelPin()
 103         {
 104                 return supermodelPinsPerSubmodelPinUnmodifiable;
 105         }
 106
 107         public Pin getSupermodelPin(Pin submodelPin)
 108         {
 109                 return getSupermodelMovablePin(submodelPin);
 110         }
 111
 112         protected PinMovable getSupermodelMovablePin(Pin submodelPin)
 113         {
 114                 return supermodelPinsPerSubmodelPin.get(submodelPin);
 115         }
 116
 117         public Map<Pin, Pin> getSubmodelPinsPerSupermodelPin()
 118         {
 119                 return submodelPinsPerSupermodelPinUnmodifiable;
 120         }
 121
 122         public Pin getSubmodelPin(Pin supermodelPin)
 123         {
 124                 return getSubmodelMovablePin(supermodelPin);
 125         }
 126
 127         protected PinMovable getSubmodelMovablePin(Pin supermodelPin)
 128         {
 129                 return submodelPinsPerSupermodelPin.get(supermodelPin);
 130         }
 131
 132         @Override
 133         public void render(GeneralGC gc, Rectangle visibleRegion)
 134         {
 135                 double posX = getBounds().x;
 136                 double posY = getBounds().y;
 137
 138                 GCDefaultConfig conf = new GCDefaultConfig(gc);
 139                 TranslatedGC tgc = new TranslatedGC(gc, posX, posY, submodelScale, true);
 140                 conf.reset(tgc);
 141                 double visibleRegionFillRatio = Math.max(getBounds().width / visibleRegion.width, getBounds().height / visibleRegion.height);
 142                 double alphaFactor = map(visibleRegionFillRatio, maxVisibleRegionFillRatioForAlpha0, minVisibleRegionFillRatioForAlpha1, 0, 1);
 143                 alphaFactor = Math.max(0, Math.min(1, alphaFactor));
 144                 // we need to take the old alpha into account to support nested submodules better.
 145                 gc.setAlpha(Math.max(0, Math.min(255, (int) (gc.getAlpha() * alphaFactor))));
 146                 renderer.render(tgc, visibleRegion.translate(posX, posY, submodelScale));
 147                 conf.reset(gc);
 148                 // draw the "bounding box" after all other operations to make interface pins look better
 149                 gc.drawRectangle(getBounds());
 150         }
 151
 152         private static double map(double val, double valMin, double valMax, double mapMin, double mapMax)
 153         {
 154                 return mapMin + (val - valMin) * (mapMax - mapMin) / (valMax - valMin);
 155         }
 156
 157         private static class PinMovable extends Pin
 158         {
 159                 public PinMovable(GUIComponent component, int logicWidth, double relX, double relY)
 160                 {
 161                         super(component, logicWidth, relX, relY);
 162                 }
 163
 164                 @Override
 165                 protected void setRelPos(double relX, double relY)
 166                 {
 167                         super.setRelPos(relX, relY);
 168                 }
 169         }
 170 }