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.Point;
  12 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  13 import net.mograsim.logic.ui.LogicUIRenderer;
  14 import net.mograsim.logic.ui.model.ViewModel;
  15 import net.mograsim.logic.ui.model.ViewModelModifiable;
  16 import net.mograsim.logic.ui.model.wires.Pin;
  17
  18 public class SubmodelComponent extends GUIComponent
  19 {
  20         protected final ViewModelModifiable submodelModifiable;
  21         public final ViewModel submodel;
  22         private final Map<PinMovable, PinMovable> submodelPinsPerSupermodelPin;
  23         private final Map<Pin, Pin> submodelPinsPerSupermodelPinUnmodifiable;
  24         private final Map<PinMovable, PinMovable> supermodelPinsPerSubmodelPin;
  25         private final Map<Pin, Pin> supermodelPinsPerSubmodelPinUnmodifiable;
  26         private final SubmodelInterface submodelInterface;
  27
  28         private final String label;
  29         private double submodelScale;
  30         private double maxVisibleRegionFillRatioForAlpha0;
  31         private double minVisibleRegionFillRatioForAlpha1;
  32         private final LogicUIRenderer renderer;
  33
  34         public SubmodelComponent(ViewModelModifiable model, String label)
  35         {
  36                 super(model);
  37                 this.submodelModifiable = new ViewModelModifiable();
  38                 this.submodel = submodelModifiable;
  39                 this.submodelPinsPerSupermodelPin = new HashMap<>();
  40                 this.submodelPinsPerSupermodelPinUnmodifiable = Collections.unmodifiableMap(submodelPinsPerSupermodelPin);
  41                 this.supermodelPinsPerSubmodelPin = new HashMap<>();
  42                 this.supermodelPinsPerSubmodelPinUnmodifiable = Collections.unmodifiableMap(supermodelPinsPerSubmodelPin);
  43                 this.submodelInterface = new SubmodelInterface(submodelModifiable);
  44
  45                 this.label = label;
  46                 this.submodelScale = 1;
  47                 this.maxVisibleRegionFillRatioForAlpha0 = 0.1;
  48                 this.minVisibleRegionFillRatioForAlpha1 = 0.8;
  49                 this.renderer = new LogicUIRenderer(submodelModifiable);
  50
  51                 submodelModifiable.addRedrawListener(this::requestRedraw);
  52         }
  53
  54         protected void setSubmodelScale(double submodelScale)
  55         {
  56                 this.submodelScale = submodelScale;
  57
  58                 for (Entry<PinMovable, PinMovable> e : supermodelPinsPerSubmodelPin.entrySet())
  59                         e.getKey().setRelPos(e.getValue().getRelX() * submodelScale, e.getValue().getRelY() * submodelScale);
  60
  61                 requestRedraw();// needed if there is no submodel interface pin
  62         }
  63
  64         /**
  65          * Returns the submodel pin.
  66          */
  67         protected Pin addSubmodelInterface(int logicWidth, double relX, double relY)
  68         {
  69                 PinMovable submodelPin = new PinMovable(submodelInterface, logicWidth, relX / submodelScale, relY / submodelScale);
  70                 submodelInterface.addPin(submodelPin);
  71
  72                 PinMovable supermodelPin = new PinMovable(this, logicWidth, relX, relY);
  73                 addPin(supermodelPin);
  74
  75                 submodelPinsPerSupermodelPin.put(supermodelPin, submodelPin);
  76                 supermodelPinsPerSubmodelPin.put(submodelPin, supermodelPin);
  77
  78                 // no need to call requestRedraw() because addPin() will request a redraw
  79                 return submodelPin;
  80         }
  81
  82         protected void moveSubmodelInterface(Pin supermodelPin, double relX, double relY)
  83         {
  84                 PinMovable submodelPin = getSubmodelMovablePin(supermodelPin);
  85                 PinMovable supermodelPinMovable = getSupermodelMovablePin(submodelPin);
  86
  87                 submodelPin.setRelPos(relX / submodelScale, relY / submodelScale);
  88                 supermodelPinMovable.setRelPos(relX, relY);
  89
  90                 // no need to call requestRedraw() because setRelPos() will request a redraw
  91         }
  92
  93         protected void removeSubmodelInterface(Pin supermodelPin)
  94         {
  95                 removePin(supermodelPin);
  96                 Pin submodelPin = getSubmodelMovablePin(supermodelPin);
  97                 submodelInterface.removePin(submodelPin);
  98
  99                 submodelPinsPerSupermodelPin.remove(supermodelPin);
 100                 supermodelPinsPerSubmodelPin.remove(submodelPin);
 101
 102                 // no need to call requestRedraw() because removePin() will request a redraw
 103         }
 104
 105         public Map<Pin, Pin> getSupermodelPinsPerSubmodelPin()
 106         {
 107                 return supermodelPinsPerSubmodelPinUnmodifiable;
 108         }
 109
 110         public Pin getSupermodelPin(Pin submodelPin)
 111         {
 112                 return getSupermodelMovablePin(submodelPin);
 113         }
 114
 115         protected PinMovable getSupermodelMovablePin(Pin submodelPin)
 116         {
 117                 return supermodelPinsPerSubmodelPin.get(submodelPin);
 118         }
 119
 120         public Map<Pin, Pin> getSubmodelPinsPerSupermodelPin()
 121         {
 122                 return submodelPinsPerSupermodelPinUnmodifiable;
 123         }
 124
 125         public Pin getSubmodelPin(Pin supermodelPin)
 126         {
 127                 return getSubmodelMovablePin(supermodelPin);
 128         }
 129
 130         protected PinMovable getSubmodelMovablePin(Pin supermodelPin)
 131         {
 132                 return submodelPinsPerSupermodelPin.get(supermodelPin);
 133         }
 134
 135         @Override
 136         public void render(GeneralGC gc, Rectangle visibleRegion)
 137         {
 138                 double posX = getBounds().x;
 139                 double posY = getBounds().y;
 140
 141                 GCDefaultConfig conf = new GCDefaultConfig(gc);
 142                 TranslatedGC tgc = new TranslatedGC(gc, posX, posY, submodelScale, true);
 143                 conf.reset(tgc);
 144                 double visibleRegionFillRatio = Math.max(getBounds().width / visibleRegion.width, getBounds().height / visibleRegion.height);
 145                 double alphaFactor = map(visibleRegionFillRatio, maxVisibleRegionFillRatioForAlpha0, minVisibleRegionFillRatioForAlpha1, 0, 1);
 146                 alphaFactor = Math.max(0, Math.min(1, alphaFactor));
 147                 // we need to take the old alpha into account to support nested submodules better.
 148                 int oldAlpha = gc.getAlpha();
 149                 gc.setAlpha(Math.max(0, Math.min(255, (int) (oldAlpha * alphaFactor))));
 150                 renderer.render(tgc, visibleRegion.translate(posX, posY, submodelScale));
 151                 gc.setAlpha(Math.max(0, Math.min(255, (int) (oldAlpha * (1 - alphaFactor)))));
 152                 Point textExtent = gc.textExtent(label);
 153                 gc.drawText(label, posX + (getBounds().width - textExtent.x) / 2, posY + (getBounds().height - textExtent.y) / 2, true);
 154                 conf.reset(gc);
 155                 // draw the "bounding box" after all other operations to make interface pins look better
 156                 gc.drawRectangle(getBounds());
 157         }
 158
 159         private static double map(double val, double valMin, double valMax, double mapMin, double mapMax)
 160         {
 161                 return mapMin + (val - valMin) * (mapMax - mapMin) / (valMax - valMin);
 162         }
 163
 164         private static class PinMovable extends Pin
 165         {
 166                 public PinMovable(GUIComponent component, int logicWidth, double relX, double relY)
 167                 {
 168                         super(component, logicWidth, relX, relY);
 169                 }
 170
 171                 @Override
 172                 protected void setRelPos(double relX, double relY)
 173                 {
 174                         super.setRelPos(relX, relY);
 175                 }
 176         }
 177 }