+package net.mograsim.logic.ui.model.components.submodels;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import net.haspamelodica.swt.helper.gcs.GCConfig;
+import net.haspamelodica.swt.helper.gcs.GeneralGC;
+import net.haspamelodica.swt.helper.gcs.TranslatedGC;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
+import net.mograsim.logic.ui.LogicUIRenderer;
+import net.mograsim.logic.ui.model.ViewModel;
+import net.mograsim.logic.ui.model.ViewModelModifiable;
+import net.mograsim.logic.ui.model.components.GUIComponent;
+import net.mograsim.logic.ui.model.wires.GUIWire;
+import net.mograsim.logic.ui.model.wires.MovablePin;
+import net.mograsim.logic.ui.model.wires.Pin;
+import net.mograsim.logic.ui.serializing.SubmodelComponentParams;
+import net.mograsim.logic.ui.serializing.SubmodelComponentParams.ComponentCompositionParams;
+import net.mograsim.logic.ui.serializing.SubmodelComponentParams.InnerPinParams;
+import net.mograsim.logic.ui.serializing.SubmodelComponentParams.InnerWireParams;
+import net.mograsim.logic.ui.serializing.SubmodelComponentParams.InterfacePinParams;
+import net.mograsim.logic.ui.serializing.SubmodelComponentParams.ComponentCompositionParams.InnerComponentParams;
+
+/**
+ * A {@link GUIComponent} consisting of another model. A <code>SubmodelComponent</code> can have so-called "interface pins" connecting the
+ * inner and outer models.
+ */
+public abstract class SubmodelComponent extends GUIComponent
+{
+ /**
+ * A modifiable view of {@link #submodel}.
+ */
+ protected final ViewModelModifiable submodelModifiable;
+ /**
+ * The model this {@link SubmodelComponent} consists of.
+ */
+ public final ViewModel submodel;
+ /**
+ * The list of all submodel interface pins of this {@link SubmodelComponent} on the submodel side.
+ */
+ private final Map<String, MovablePin> submodelPins;
+ /**
+ * An unmodifiable view of {@link #submodelPins}.
+ */
+ private final Map<String, MovablePin> submodelMovablePinsUnmodifiable;
+ /**
+ * An unmodifiable view of {@link #submodelPins} where pins are not movable.
+ */
+ private final Map<String, Pin> submodelUnmovablePinsUnmodifiable;
+ /**
+ * The list of all submodel interface pins of this {@link SubmodelComponent} on the supermodel side.
+ */
+ private final Map<String, MovablePin> supermodelPins;
+ /**
+ * An unmodifiable view of {@link #supermodelPins}.
+ */
+ private final Map<String, MovablePin> supermodelMovablePinsUnmodifiable;
+ /**
+ * An unmodifiable view of {@link #supermodelPins} where pins are not movable.
+ */
+ private final Map<String, Pin> supermodelUnmovablePinsUnmodifiable;
+ /**
+ * A pseudo-component containing all submodel interface pins on the submodel side.
+ */
+ private final SubmodelInterface submodelInterface;
+
+ /**
+ * The list of all high level state IDs this component supports without delegating to subcomponents.
+ */
+ private final Set<String> highLevelAtomicStates;
+ /**
+ * A map of high level state subcomponent IDs to the {@link GUIComponent} high level state access requests are delegated to.
+ */
+ private final Map<String, GUIComponent> subcomponentsByHighLevelStateSubcomponentID;
+
+ /**
+ * The factor by which the submodel is scaled when rendering.
+ */
+ private double submodelScale;
+ /**
+ * If this {@link SubmodelComponent} fills at least this amount of the visible region vertically or horizontally, the submodel starts to
+ * be visible.
+ */
+ private double maxVisibleRegionFillRatioForAlpha0;
+ /**
+ * If this {@link SubmodelComponent} fills at least this amount of the visible region vertically or horizontally, the submodel is fully
+ * visible.
+ */
+ private double minVisibleRegionFillRatioForAlpha1;
+ /**
+ * The renderer used for rendering the submodel.
+ */
+ private final LogicUIRenderer renderer;
+
+ // creation and destruction
+
+ public SubmodelComponent(ViewModelModifiable model)
+ {
+ super(model);
+ this.submodelModifiable = new ViewModelModifiable();
+ this.submodel = submodelModifiable;
+ this.submodelPins = new HashMap<>();
+ this.submodelMovablePinsUnmodifiable = Collections.unmodifiableMap(submodelPins);
+ this.submodelUnmovablePinsUnmodifiable = Collections.unmodifiableMap(submodelPins);
+ this.supermodelPins = new HashMap<>();
+ this.supermodelMovablePinsUnmodifiable = Collections.unmodifiableMap(supermodelPins);
+ this.supermodelUnmovablePinsUnmodifiable = Collections.unmodifiableMap(supermodelPins);
+ this.submodelInterface = new SubmodelInterface(submodelModifiable);
+
+ this.highLevelAtomicStates = new HashSet<>();
+ this.subcomponentsByHighLevelStateSubcomponentID = new HashMap<>();
+
+ this.submodelScale = 1;
+ this.maxVisibleRegionFillRatioForAlpha0 = 0.4;
+ this.minVisibleRegionFillRatioForAlpha1 = 0.8;
+ this.renderer = new LogicUIRenderer(submodelModifiable);
+
+ submodelModifiable.addRedrawListener(this::requestRedraw);
+ }
+
+ // pins
+
+ /**
+ * Adds a new submodel interface pin.
+ *
+ * @param supermodelPin the submodel interface pin on the supermodel side
+ *
+ * @return the submodel interface pin on the submodel side
+ *
+ * @author Daniel Kirschten
+ */
+ protected Pin addSubmodelInterface(MovablePin supermodelPin)
+ {
+ super.addPin(supermodelPin);// do this first to be fail-fast if the supermodel does not belong to this component
+
+ String name = supermodelPin.name;
+ MovablePin submodelPin = new MovablePin(submodelInterface, name, supermodelPin.logicWidth, supermodelPin.getRelX() / submodelScale,
+ supermodelPin.getRelY() / submodelScale);
+
+ submodelPin.addPinMovedListener(p ->
+ {
+ double newRelX = p.getRelX() * submodelScale;
+ double newRelY = p.getRelY() * submodelScale;
+ if (supermodelPin.getRelX() != newRelX || supermodelPin.getRelY() != newRelY)
+ supermodelPin.setRelPos(newRelX, newRelY);
+ });
+ supermodelPin.addPinMovedListener(p ->
+ {
+ double newRelX = p.getRelX() / submodelScale;
+ double newRelY = p.getRelY() / submodelScale;
+ if (submodelPin.getRelX() != newRelX || submodelPin.getRelY() != newRelY)
+ submodelPin.setRelPos(newRelX, newRelY);
+ });
+
+ submodelInterface.addPin(submodelPin);
+
+ submodelPins.put(name, submodelPin);
+ supermodelPins.put(name, supermodelPin);
+
+ // no need to call requestRedraw() because addPin() will request a redraw
+ return submodelPin;
+ }
+
+ /**
+ * Removes a submodel interface pin.
+ *
+ * @author Daniel Kirschten
+ */
+ protected void removeSubmodelInterface(String name)
+ {
+ super.removePin(name);// do this first to be fail-fast if this component doesn't have a pin with the given name
+ Pin submodelPin = submodelPins.remove(name);
+ submodelInterface.removePin(submodelPin.name);
+ supermodelPins.remove(name);
+
+ // no need to call requestRedraw() because removePin() will request a redraw
+ }
+
+ /**
+ * Returns a collection of submodel interface pins on the submodel side of this component.
+ *
+ * @author Daniel Kirschten
+ */
+ public Map<String, Pin> getSubmodelPins()
+ {
+ return submodelUnmovablePinsUnmodifiable;
+ }
+
+ /**
+ * Returns the submodel interface pin with the given name on the submodel side of this component.
+ *
+ * @author Daniel Kirschten
+ */
+ public Pin getSubmodelPin(String name)
+ {
+ return getSubmodelMovablePin(name);
+ }
+
+ /**
+ * Returns a collection of movable submodel interface pins on the submodel side of this component.
+ *
+ * @author Daniel Kirschten
+ */
+ protected Map<String, MovablePin> getSubmodelMovablePins()
+ {
+ return submodelMovablePinsUnmodifiable;
+ }
+
+ /**
+ * Returns the movable submodel interface pin with the given name on the submodel side of this component.
+ *
+ * @author Daniel Kirschten
+ */
+ protected MovablePin getSubmodelMovablePin(String name)
+ {
+ return submodelPins.get(name);
+ }
+
+ /**
+ * Returns a collection of submodel interface pins on the supermodel side of this component.
+ *
+ * @author Daniel Kirschten
+ */
+ public Map<String, Pin> getSupermodelPins()
+ {
+ return supermodelUnmovablePinsUnmodifiable;
+ }
+
+ /**
+ * Returns the submodel interface pin with the given name on the supermodel side of this component.
+ *
+ * @author Daniel Kirschten
+ */
+ public Pin getSupermodelPin(String name)
+ {
+ return getSupermodelMovablePin(name);
+ }
+
+ /**
+ * Returns a collection of movable submodel interface pins on the supermodel side of this component.
+ *
+ * @author Daniel Kirschten
+ */
+ protected Map<String, MovablePin> getSupermodelMovablePins()
+ {
+ return supermodelMovablePinsUnmodifiable;
+ }
+
+ /**
+ * Returns the movable submodel interface pin with the given name on the supermodel side of this component.
+ *
+ * @author Daniel Kirschten
+ */
+ protected MovablePin getSupermodelMovablePin(String name)
+ {
+ return supermodelPins.get(name);
+ }
+
+ // high-level access
+
+ /**
+ * Adds the given subcomponent ID to the set of allowed subcomponent IDs and links the given {@link GUIComponent} as the delegate target
+ * for this subcomponent ID. <br>
+ * Note that this method does not affect whether {@link #setSubcomponentHighLevelState(String, String, Object)
+ * set}/{@link #getSubcomponentHighLevelState(String, String)} will be called. <br>
+ * See {@link GUIComponent#setHighLevelState(String, Object)} for details about subcomponent IDs.
+ *
+ * @author Daniel Kirschten
+ */
+ protected void addHighLevelStateSubcomponentID(String subcomponentID, GUIComponent subcomponent)
+ {
+ checkHighLevelStateIDPart(subcomponentID);
+ subcomponentsByHighLevelStateSubcomponentID.put(subcomponentID, subcomponent);
+ }
+
+ /**
+ * Removes the given subcomponent ID from the set of allowed subcomponent IDs. <br>
+ * Note that this method does not affect whether {@link #setSubcomponentHighLevelState(String, String, Object)
+ * set}/{@link #getSubcomponentHighLevelState(String, String)} will be called.<br>
+ * See {@link GUIComponent#setHighLevelState(String, Object)} for details about subcomponent IDs.
+ *
+ * @author Daniel Kirschten
+ */
+ protected void removeHighLevelStateSubcomponentID(String subcomponentID)
+ {
+ subcomponentsByHighLevelStateSubcomponentID.remove(subcomponentID);
+ }
+
+ /**
+ * Adds the given atomic state ID to the set of allowed atomic state IDs. <br>
+ * See {@link GUIComponent#setHighLevelState(String, Object)} for details about atomic state IDs.
+ *
+ * @author Daniel Kirschten
+ */
+ protected void addAtomicHighLevelStateID(String stateID)
+ {
+ checkHighLevelStateIDPart(stateID);
+ highLevelAtomicStates.add(stateID);
+ }
+
+ /**
+ * Removes the given atomic state ID from the set of allowed atomic state IDs. <br>
+ * See {@link GUIComponent#setHighLevelState(String, Object)} for details about atomic state IDs.
+ *
+ * @author Daniel Kirschten
+ */
+ protected void removeAtomicHighLevelStateID(String stateID)
+ {
+ highLevelAtomicStates.remove(stateID);
+ }
+
+ @Override
+ public final void setHighLevelState(String stateID, Object newState)
+ {
+ int indexOfDot = stateID.indexOf('.');
+ if (indexOfDot == -1)
+ if (highLevelAtomicStates.contains(stateID))
+ setAtomicHighLevelState(stateID, newState);
+ else
+ super.setHighLevelState(stateID, newState);
+ else
+ setSubcomponentHighLevelState(stateID.substring(0, indexOfDot), stateID.substring(indexOfDot + 1), newState);
+ }
+
+ /**
+ * This method is called in {@link #setHighLevelState(String, Object)} when the state ID is not atomic. The default implementation uses
+ * the information given to {@link #addHighLevelStateSubcomponentID(String, GUIComponent)
+ * add}/{@link #removeHighLevelStateSubcomponentID(String)} to decide which subcomponent to delegate to.<br>
+ * Note that {@link #addHighLevelStateSubcomponentID(String, GUIComponent) add}/{@link #removeHighLevelStateSubcomponentID(String)}
+ * don't affect whether this method will be called.
+ *
+ * @author Daniel Kirschten
+ */
+ protected void setSubcomponentHighLevelState(String subcomponentID, String subcomponentHighLevelStateID, Object newState)
+ {
+ GUIComponent subcomponent = subcomponentsByHighLevelStateSubcomponentID.get(subcomponentID);
+ if (subcomponent != null)
+ subcomponent.setHighLevelState(subcomponentHighLevelStateID, newState);
+ else
+ super.setHighLevelState(subcomponentID + "." + subcomponentHighLevelStateID, newState);
+ }
+
+ /**
+ * This method is called in {@link #setHighLevelState(String, Object)} when the state ID is atomic and in the set of allowed atomic
+ * state IDs. <br>
+ * See {@link GUIComponent#setHighLevelState(String, Object)} for details about atomic state IDs.
+ *
+ * @author Daniel Kirschten
+ */
+ @SuppressWarnings({ "static-method", "unused" }) // this method is intended to be overridden
+ protected void setAtomicHighLevelState(String stateID, Object newState)
+ {
+ throw new IllegalStateException("Unknown high level state ID: " + stateID);
+ }
+
+ @Override
+ public final Object getHighLevelState(String stateID)
+ {
+ int indexOfDot = stateID.indexOf('.');
+ if (indexOfDot == -1)
+ {
+ if (highLevelAtomicStates.contains(stateID))
+ return getAtomicHighLevelState(stateID);
+ return super.getHighLevelState(stateID);
+ }
+ return getSubcomponentHighLevelState(stateID.substring(0, indexOfDot), stateID.substring(indexOfDot + 1));
+ }
+
+ /**
+ * This method is called in {@link #getHighLevelState(String, Object)} when the state ID is not atomic. The default implementation uses
+ * the information given to {@link #addHighLevelStateSubcomponentID(String, GUIComponent)
+ * add}/{@link #removeHighLevelStateSubcomponentID(String)} to decide which subcomponent to delegate to. <br>
+ * Note that {@link #addHighLevelStateSubcomponentID(String, GUIComponent) add}/{@link #removeHighLevelStateSubcomponentID(String)}
+ * don't affect whether this method will be called.
+ *
+ * @author Daniel Kirschten
+ */
+ protected Object getSubcomponentHighLevelState(String subcomponentID, String subcomponentHighLevelStateID)
+ {
+ GUIComponent subcomponent = subcomponentsByHighLevelStateSubcomponentID.get(subcomponentID);
+ if (subcomponent != null)
+ return subcomponent.getHighLevelState(subcomponentHighLevelStateID);
+ return super.getHighLevelState(subcomponentID + "." + subcomponentHighLevelStateID);
+ }
+
+ /**
+ * This method is called in {@link SubmodelComponent#getHighLevelState(String)} when the state ID is in the set of allowed atomic state
+ * IDs. <br>
+ * See {@link GUIComponent#setHighLevelState(String, Object)} for details about atomic state IDs.
+ *
+ * @author Daniel Kirschten
+ */
+ @SuppressWarnings("static-method") // this method is intended to be overridden
+ protected Object getAtomicHighLevelState(String stateID)
+ {
+ throw new IllegalStateException("Unknown high level state ID: " + stateID);
+ }
+
+ private static void checkHighLevelStateIDPart(String stateIDPart)
+ {
+ if (stateIDPart.indexOf('.') != -1)
+ throw new IllegalArgumentException("Illegal high level state ID part (contains dot): " + stateIDPart);
+
+ }
+
+ // "graphical" operations
+
+ /**
+ * Sets the factor by which the submodel is scaled when rendering and calls redrawListeners. Note that the submodel interface pins will
+ * stay at their position relative to the supermodel, which means they will move relative to the submodel.
+ *
+ * @author Daniel Kirschten
+ */
+ protected void setSubmodelScale(double submodelScale)
+ {
+ this.submodelScale = submodelScale;
+
+ for (Entry<String, MovablePin> e : supermodelPins.entrySet())
+ getSubmodelMovablePin(e.getKey()).setRelPos(e.getValue().getRelX() * submodelScale, e.getValue().getRelY() * submodelScale);
+
+ requestRedraw();// needed if there is no submodel interface pin
+ }
+
+ /**
+ * Returns the current factor by which the submodel is scaled when rendering.
+ *
+ * @author Daniel Kirschten
+ */
+ protected double getSubmodelScale()
+ {
+ return submodelScale;
+ }
+
+ @Override
+ public void render(GeneralGC gc, Rectangle visibleRegion)
+ {
+ GCConfig conf = new GCConfig(gc);
+ TranslatedGC tgc = new TranslatedGC(gc, getPosX(), getPosY(), submodelScale, true);
+ conf.reset(tgc);
+ double visibleRegionFillRatio = Math.max(getWidth() / visibleRegion.width, getHeight() / visibleRegion.height);
+ double alphaFactor = map(visibleRegionFillRatio, maxVisibleRegionFillRatioForAlpha0, minVisibleRegionFillRatioForAlpha1, 0, 1);
+ alphaFactor = Math.max(0, Math.min(1, alphaFactor));
+ // we need to take the old alpha into account to support nested submodules better.
+ int oldAlpha = gc.getAlpha();
+ int submodelAlpha = Math.max(0, Math.min(255, (int) (oldAlpha * alphaFactor)));
+ int labelAlpha = Math.max(0, Math.min(255, (int) (oldAlpha * (1 - alphaFactor))));
+ if (submodelAlpha != 0)
+ {
+ gc.setAlpha(submodelAlpha);
+ renderer.render(tgc, visibleRegion.translate(getPosX() / submodelScale, getPosY() / submodelScale, 1 / submodelScale));
+ }
+ if (labelAlpha != 0)
+ {
+ gc.setAlpha(labelAlpha);
+ renderSymbol(gc, visibleRegion);
+ }
+ conf.reset(gc);
+ // draw the outline after all other operations to make interface pins look better
+ renderOutline(gc, visibleRegion);
+ }
+
+ // TODO make this a path
+ /**
+ * Render the outline of this {@link SubmodelComponent}, e.g. the graphical elements that should stay visible if the submodel is drawn.
+ *
+ * @author Daniel Kirschten
+ */
+ protected abstract void renderOutline(GeneralGC gc, Rectangle visibleRegion);
+
+ /**
+ * Render the symbol of this {@link SubmodelComponent}, e.g. the things that should be hidden if the submodel is drawn.
+ *
+ * @author Daniel Kirschten
+ */
+ protected abstract void renderSymbol(GeneralGC gc, Rectangle visibleRegion);
+
+ private static double map(double val, double valMin, double valMax, double mapMin, double mapMax)
+ {
+ return mapMin + (val - valMin) * (mapMax - mapMin) / (valMax - valMin);
+ }
+
+ @Override
+ public boolean clicked(double x, double y)
+ {
+ double scaledX = (x - getPosX()) / submodelScale;
+ double scaledY = (y - getPosY()) / submodelScale;
+ for (GUIComponent component : submodel.getComponents())
+ if (component.getBounds().contains(scaledX, scaledY) && component.clicked(scaledX, scaledY))
+ return true;
+ return false;
+ }
+
+ // serializing
+
+ /**
+ * @return {@link SubmodelComponentParams}, which describe this {@link SubmodelComponent}.
+ */
+ public SubmodelComponentParams calculateParams()
+ {
+ SubmodelComponentParams params = new SubmodelComponentParams();
+ params.name = getIdentifier();
+ params.type = SubmodelComponent.class.getSimpleName();
+ params.composition = calculateCompositionParams();
+
+ params.width = getWidth();
+ params.height = getHeight();
+
+ InterfacePinParams[] iPins = new InterfacePinParams[getPins().size()];
+ int i = 0;
+ for (Pin p : getPins().values())
+ {
+ InterfacePinParams iPinParams = new InterfacePinParams();
+ iPins[i] = iPinParams;
+ iPinParams.location = p.getRelPos();
+ iPinParams.name = p.name;
+ iPinParams.logicWidth = p.logicWidth;
+ i++;
+ }
+ params.interfacePins = iPins;
+ return params;
+ }
+
+ protected ComponentCompositionParams calculateCompositionParams()
+ {
+ ComponentCompositionParams params = new ComponentCompositionParams();
+ params.innerScale = getSubmodelScale();
+
+ List<GUIComponent> compList = submodelModifiable.getComponents();
+ Iterator<GUIComponent> componentIt = compList.iterator();
+ componentIt.next(); // Skip inner SubmodelInterface
+ InnerComponentParams[] comps = new InnerComponentParams[compList.size() - 1];
+ int i = 0;
+ while (componentIt.hasNext())
+ {
+ GUIComponent component = componentIt.next();
+ InnerComponentParams inner = new InnerComponentParams();
+ comps[i] = inner;
+ inner.params = component.getInstantiationParameters();
+ inner.pos = new Point(component.getPosX(), component.getPosY());
+ inner.name = component.getIdentifier();
+ i++;
+ }
+ params.subComps = comps;
+
+ List<GUIWire> wireList = submodelModifiable.getWires();
+ InnerWireParams wires[] = new InnerWireParams[wireList.size()];
+ i = 0;
+ for (GUIWire wire : wireList)
+ {
+ InnerWireParams inner = new InnerWireParams();
+ wires[i] = inner;
+ InnerPinParams pin1Params = new InnerPinParams(), pin2Params = new InnerPinParams();
+
+ pin1Params.pinName = wire.getPin1().name;
+ pin1Params.compId = compList.indexOf(wire.getPin1().component);
+ pin2Params.pinName = wire.getPin2().name;
+ pin2Params.compId = compList.indexOf(wire.getPin2().component);
+ inner.pin1 = pin1Params;
+ inner.pin2 = pin2Params;
+ inner.path = wire.getPath();
+ i++;
+ }
+ params.innerWires = wires;
+ return params;
+ }
+
+ // operations no longer supported
+
+ @Override
+ protected void addPin(Pin pin)
+ {
+ throw new UnsupportedOperationException("Can't add pins to a SubmodelComponent directly, call addSubmodelInterface instead");
+ }
+
+ @Override
+ protected void removePin(String name)
+ {
+ throw new UnsupportedOperationException("Can't remove pins of a SubmodelComponent directly, call removeSubmodelInterface instead");
+ }
+}
\ No newline at end of file