+++ /dev/null
-package net.mograsim.logic.ui.model.wires;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
-import org.eclipse.swt.SWT;
-
-import net.haspamelodica.swt.helper.gcs.GeneralGC;
-import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
-import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
-import net.mograsim.logic.core.LogicObserver;
-import net.mograsim.logic.core.types.BitVector;
-import net.mograsim.logic.core.types.BitVectorFormatter;
-import net.mograsim.logic.core.wires.Wire;
-import net.mograsim.logic.core.wires.Wire.ReadEnd;
-import net.mograsim.logic.ui.model.ViewModelModifiable;
-import net.mograsim.preferences.ColorDefinition;
-import net.mograsim.preferences.ColorManager;
-
-/**
- * A wire connecting exactly two {@link Pin}s.
- *
- * @author Daniel Kirschten
- */
-public class GUIWire
-{
- /**
- * The model this wire is a part of.
- */
- private final ViewModelModifiable model;
- /**
- * The logical width of this wire. Is equal to the logical with of {@link #pin1} and {@link #pin2}.
- */
- public final int logicWidth;
- /**
- * The {@link Pin} on one side of this wire, usually the signal source.
- */
- private Pin pin1;
- /**
- * The {@link Pin} on one side of this wire, usually the signal target.
- */
- private Pin pin2;
- /**
- * The user-defined path between {@link #pin1} and {@link #pin2}.<br>
- * Special cases: <code>null</code> means "choose an interpolation as fits", and an empty array means "direct connection without any
- * interpolation".
- */
- private Point[] path;
- /**
- * The bounds of this wire, excluding line width (and line joins, if the line join is {@link SWT#JOIN_MITER})
- */
- private final Rectangle bounds;
- /**
- * The effective path of this wire, including automatic interpolation and the position of both {@link Pin}s. Is never null.
- */
- private double[] effectivePath;
-
- private final List<Runnable> redrawListeners;
-
- /**
- * A LogicObserver calling redrawListeners. Used for logic model bindings.
- */
- private final LogicObserver logicObs;
- /**
- * A ReadEnd of the logic wire this GUI wire currently is bound to.
- */
- private ReadEnd end;
-
- // creation and destruction
-
- /**
- * Creates a new {@link GUIWire} with automatic interpolation.
- *
- * @author Daniel Kirschten
- */
- public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, WireCrossPoint pin2)
- {
- this(model, pin1, pin2, (Point[]) null);
- }
-
- /**
- * Creates a new {@link GUIWire} with automatic interpolation.
- *
- * @author Daniel Kirschten
- */
- public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, Pin pin2)
- {
- this(model, pin1, pin2, (Point[]) null);
- }
-
- /**
- * Creates a new {@link GUIWire} with automatic interpolation.
- *
- * @author Daniel Kirschten
- */
- public GUIWire(ViewModelModifiable model, Pin pin1, WireCrossPoint pin2)
- {
- this(model, pin1, pin2, (Point[]) null);
- }
-
- /**
- * Creates a new {@link GUIWire} with automatic interpolation.
- *
- * @author Daniel Kirschten
- */
- public GUIWire(ViewModelModifiable model, Pin pin1, Pin pin2)
- {
- this(model, pin1, pin2, (Point[]) null);
- }
-
- /**
- * Creates a new {@link GUIWire} without automatic interpolation.
- *
- * @author Daniel Kirschten
- */
- public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, WireCrossPoint pin2, Point... path)
- {
- this(model, pin1.getPin(), pin2.getPin(), path);
- }
-
- /**
- * Creates a new {@link GUIWire} without automatic interpolation.
- *
- * @author Daniel Kirschten
- */
- public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, Pin pin2, Point... path)
- {
- this(model, pin1.getPin(), pin2, path);
- }
-
- /**
- * Creates a new {@link GUIWire} without automatic interpolation.
- *
- * @author Daniel Kirschten
- */
- public GUIWire(ViewModelModifiable model, Pin pin1, WireCrossPoint pin2, Point... path)
- {
- this(model, pin1, pin2.getPin(), path);
- }
-
- /**
- * Creates a new {@link GUIWire} without automatic interpolation.
- *
- * @author Daniel Kirschten
- */
- public GUIWire(ViewModelModifiable model, Pin pin1, Pin pin2, Point... path)
- {
- logicObs = (i) -> callRedrawListeners();
- this.model = model;
- this.logicWidth = pin1.logicWidth;
- if (pin2.logicWidth != pin1.logicWidth)
- throw new IllegalArgumentException("Can't connect pins of different logic width");
-
- this.pin1 = pin1;
- this.pin2 = pin2;
-
- this.path = path == null ? null : Arrays.copyOf(path, path.length);
- this.bounds = new Rectangle(0, 0, -1, -1);
-
- redrawListeners = new ArrayList<>();
-
- pin1.addPinMovedListener(p -> pinMoved());
- pin2.addPinMovedListener(p -> pinMoved());
-
- recalculateEffectivePath();
-
- model.wireCreated(this);
- }
-
- /**
- * Destroys this wire. This method implicitly calls {@link ViewModelModifiable#wireDestroyed(GUIWire) wireDestroyed()} for the model
- * this component is a part of.
- *
- * @author Daniel Kirschten
- */
- public void destroy()
- {
- model.wireDestroyed(this);
- }
-
- // pins
-
- /**
- * Returns the {@link Pin} on one side of this wire, usually the signal source.
- *
- * @author Daniel Kirschten
- */
- public Pin getPin1()
- {
- return pin1;
- }
-
- /**
- * Returns the {@link Pin} on one side of this wire, usually the signal target.
- *
- * @author Daniel Kirschten
- */
- public Pin getPin2()
- {
- return pin2;
- }
-
- /**
- * Called when {@link #pin1} or {@link #pin2} were moved.
- *
- * @author Daniel Kirschten
- */
- private void pinMoved()
- {
- recalculateEffectivePath();
- callRedrawListeners();
- }
-
- // "graphical" operations
-
- /**
- * Recalculates {@link #effectivePath} "from scratch". Also updates {@link #bounds}.
- *
- * @author Daniel Kirschten
- */
- private void recalculateEffectivePath()
- {
- Point pos1 = pin1.getPos(), pos2 = pin2.getPos();
-
- double boundsX1 = Math.min(pos1.x, pos2.x);
- double boundsY1 = Math.min(pos1.y, pos2.y);
- double boundsX2 = Math.max(pos1.x, pos2.x);
- double boundsY2 = Math.max(pos1.y, pos2.y);
-
- if (path == null)
- effectivePath = new double[] { pos1.x, pos1.y, (pos1.x + pos2.x) / 2, pos1.y, (pos1.x + pos2.x) / 2, pos2.y, pos2.x, pos2.y };
- else
- {
- effectivePath = new double[path.length * 2 + 4];
- effectivePath[0] = pos1.x;
- effectivePath[1] = pos1.y;
- for (int srcI = 0, dstI = 2; srcI < path.length; srcI++, dstI += 2)
- {
- double pathX = path[srcI].x;
- double pathY = path[srcI].y;
- effectivePath[dstI + 0] = pathX;
- effectivePath[dstI + 1] = pathY;
- if (pathX < boundsX1)
- boundsX1 = pathX;
- if (pathX > boundsX2)
- boundsX2 = pathX;
- if (pathY < boundsY1)
- boundsY1 = pathY;
- if (pathY > boundsY2)
- boundsY2 = pathY;
- }
- effectivePath[effectivePath.length - 2] = pos2.x;
- effectivePath[effectivePath.length - 1] = pos2.y;
- }
-
- bounds.x = boundsX1;
- bounds.y = boundsY1;
- bounds.width = boundsX2 - boundsX1;
- bounds.height = boundsY2 - boundsY1;
- }
-
- /**
- * Returns the bounds of this wire, excluding line width (and line joins, if the line join is {@link SWT#JOIN_MITER})
- *
- * @author Daniel Kirschten
- */
- public Rectangle getBounds()
- {
- return new Rectangle(bounds.x, bounds.y, bounds.width, bounds.height);
- }
-
- /**
- * Render this wire to the given gc, in absoulute coordinates.
- *
- * @author Daniel Kirschten
- */
- public void render(GeneralGC gc)
- {
- ColorDefinition wireColor = BitVectorFormatter.formatAsColor(end);
- if (wireColor != null)
- gc.setForeground(ColorManager.current().toColor(wireColor));
- gc.drawPolyline(effectivePath);
- }
-
- /**
- * The user-defined path between {@link #pin1} and {@link #pin2}. Note that this is not neccessarily equal to the effective path drawn
- * in {@link #render(GeneralGC)}.<br>
- * Special cases: <code>null</code> means "choose an interpolation as fits", and an empty array means "direct connection without any
- * interpolation".
- *
- * @author Daniel Kirschten
- */
- public Point[] getPath()
- {
- return path == null ? null : path.clone();
- }
-
- // logic model binding
-
- /**
- * Binds this {@link GUIWire} to the given {@link ReadEnd}: The color of this {@link GUIWire} will now depend on the state of the given
- * {@link ReadEnd}, and further changes of the given {@link ReadEnd} will result in readrawListeners being called.<br>
- * The argument can be null, in which case the old binding is stopped.
- *
- * @author Daniel Kirschten
- */
- public void setLogicModelBinding(ReadEnd end)
- {
- if (this.end != null)
- this.end.deregisterObserver(logicObs);
- this.end = end;
- if (end != null)
- end.registerObserver(logicObs);
- }
-
- /**
- * Returns whether this {@link GUIWire} has a logic model binding or not.
- *
- * @author Daniel Kirschten
- */
- public boolean hasLogicModelBinding()
- {
- return end != null;
- }
-
- /**
- * If this {@link GUIWire} has a logic model binding, delegates to {@link Wire#forceValues(BitVector)} for the {@link Wire}
- * corresponding to this {@link GUIWire}.
- *
- * @author Daniel Kirschten
- */
- public void forceWireValues(BitVector values)
- {
- end.getWire().forceValues(values);
- }
-
- /**
- * If this {@link GUIWire} has a logic model binding, delegates to {@link ReadEnd#getValues()} for the {@link ReadEnd} corresponding to
- * this {@link GUIWire}.
- *
- * @author Daniel Kirschten
- */
- public BitVector getWireValues()
- {
- return end.getValues();
- }
-
- // listeners
-
- // @formatter:off
- public void addRedrawListener (Runnable listener) {redrawListeners .add (listener);}
-
- public void removeRedrawListener(Runnable listener) {redrawListeners .remove(listener);}
-
- private void callRedrawListeners() {redrawListeners.forEach(l -> l.run());}
- // @formatter:on
-
- @Override
- public String toString()
- {
- return "GUIWire [" + pin1 + "---" + pin2 + ", value=" + (end == null ? "null" : end.getValues()) + "]";
- }
-}
\ No newline at end of file
projects / Mograsim.git / blobdiff