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package net.sourceforge.plantuml.svek;

import java.util.ArrayList;
import java.util.Collection;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.abel.CucaNote;
import net.sourceforge.plantuml.abel.Entity;
import net.sourceforge.plantuml.abel.LeafType;
import net.sourceforge.plantuml.abel.Link;
import net.sourceforge.plantuml.abel.LinkArrow;
import net.sourceforge.plantuml.abel.LinkStrategy;
import net.sourceforge.plantuml.abel.NoteLinkStrategy;
import net.sourceforge.plantuml.annotation.DuplicateCode;
import net.sourceforge.plantuml.cruise.XAbstractEdge;
import net.sourceforge.plantuml.cruise.XEdge;
import net.sourceforge.plantuml.cucadiagram.EntityPort;
import net.sourceforge.plantuml.decoration.LinkDecor;
import net.sourceforge.plantuml.decoration.LinkMiddleDecor;
import net.sourceforge.plantuml.decoration.LinkType;
import net.sourceforge.plantuml.decoration.Rainbow;
import net.sourceforge.plantuml.descdiagram.command.StringWithArrow;
import net.sourceforge.plantuml.dot.DotSplines;
import net.sourceforge.plantuml.dot.GraphvizVersion;
import net.sourceforge.plantuml.klimt.UGroupType;
import net.sourceforge.plantuml.klimt.UStroke;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.ColorType;
import net.sourceforge.plantuml.klimt.color.Colors;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.color.HColors;
import net.sourceforge.plantuml.klimt.creole.CreoleMode;
import net.sourceforge.plantuml.klimt.creole.Display;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.BezierUtils;
import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
import net.sourceforge.plantuml.klimt.geom.MagneticBorder;
import net.sourceforge.plantuml.klimt.geom.PointAndAngle;
import net.sourceforge.plantuml.klimt.geom.Positionable;
import net.sourceforge.plantuml.klimt.geom.PositionableUtils;
import net.sourceforge.plantuml.klimt.geom.Side;
import net.sourceforge.plantuml.klimt.geom.VerticalAlignment;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
import net.sourceforge.plantuml.klimt.shape.DotPath;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.klimt.shape.TextBlockUtils;
import net.sourceforge.plantuml.klimt.shape.UDrawable;
import net.sourceforge.plantuml.klimt.shape.ULine;
import net.sourceforge.plantuml.klimt.shape.UPolygon;
import net.sourceforge.plantuml.skin.AlignmentParam;
import net.sourceforge.plantuml.skin.ColorParam;
import net.sourceforge.plantuml.skin.LineParam;
import net.sourceforge.plantuml.skin.Pragma;
import net.sourceforge.plantuml.skin.UmlDiagramType;
import net.sourceforge.plantuml.skin.VisibilityModifier;
import net.sourceforge.plantuml.skin.rose.Rose;
import net.sourceforge.plantuml.stereo.Stereotype;
import net.sourceforge.plantuml.style.ISkinParam;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleBuilder;
import net.sourceforge.plantuml.style.StyleSignature;
import net.sourceforge.plantuml.style.StyleSignatureBasic;
import net.sourceforge.plantuml.svek.extremity.Extremity;
import net.sourceforge.plantuml.svek.extremity.ExtremityArrow;
import net.sourceforge.plantuml.svek.extremity.ExtremityFactory;
import net.sourceforge.plantuml.svek.extremity.ExtremityFactoryExtends;
import net.sourceforge.plantuml.svek.extremity.ExtremityOther;
import net.sourceforge.plantuml.svek.image.EntityImageNoteLink;
import net.sourceforge.plantuml.url.Url;
import net.sourceforge.plantuml.utils.Direction;
import net.sourceforge.plantuml.utils.Log;
import net.sourceforge.plantuml.utils.Position;

@DuplicateCode(reference = "SvekEdge, CucaDiagramFileMakerElk, CucaDiagramFileMakerSmetana")
public class SvekEdge extends XAbstractEdge implements XEdge, UDrawable {

	private static final XDimension2D CONSTRAINT_SPOT = new XDimension2D(10, 10);

	private final Cluster ltail;
	private final Cluster lhead;

	private final EntityPort startUid;
	private final EntityPort endUid;

	private final TextBlock startTailText;
	private final TextBlock endHeadText;
	private final TextBlock labelText;
	private boolean divideLabelWidthByTwo = false;

	private final int lineColor;
	private final int noteLabelColor;
	private final int startTailColor;
	private final int endHeadColor;

	private final StringBounder stringBounder;

	private DotPath dotPath;
	private DotPath dotPathInit;

	private Positionable startTailLabelXY;
	private Positionable endHeadLabelXY;
	private Positionable labelXY;

	private UDrawable extremity1;
	private UDrawable extremity2;

	private double dx;
	private double dy;

	private boolean opale;
	private Cluster projectionCluster;

	private final Pragma pragma;
	private final HColor backgroundColor;
	private final boolean useRankSame;
	private final UStroke defaultThickness;
	private HColor arrowLollipopColor;

	private final double labelShield;

	@Override
	public String toString() {
		return super.toString() + " color=" + lineColor;
	}

	private LinkStrategy getLinkStrategy() {
		return link.getLinkStrategy();
	}

	public Direction getArrowDirection() {
		if (getLinkArrow() == LinkArrow.BACKWARD)
			return getArrowDirectionInternal().getInv();

		return getArrowDirectionInternal();
	}

	private Direction getArrowDirectionInternal() {
		if (isAutolink()) {
			final double startAngle = dotPath.getStartAngle();
			return Direction.LEFT;
		}
		final XPoint2D start = dotPath.getStartPoint();
		final XPoint2D end = dotPath.getEndPoint();
		final double ang = Math.atan2(end.getX() - start.getX(), end.getY() - start.getY());
		if (ang > -Math.PI / 4 && ang < Math.PI / 4)
			return Direction.DOWN;

		if (ang > Math.PI * 3 / 4 || ang < -Math.PI * 3 / 4)
			return Direction.UP;

		return end.getX() > start.getX() ? Direction.RIGHT : Direction.LEFT;
	}

	public double getArrowDirectionInRadian() {
		if (getLinkArrow() == LinkArrow.BACKWARD)
			return Math.PI + getArrowDirectionInRadianInternal();

		return getArrowDirectionInRadianInternal();
	}

	private double getArrowDirectionInRadianInternal() {
		if (isAutolink()) {
			final double startAngle = dotPath.getStartAngle();
			return startAngle;
		}
		final XPoint2D start = dotPath.getStartPoint();
		final XPoint2D end = dotPath.getEndPoint();
		final double ang = Math.atan2(end.getX() - start.getX(), end.getY() - start.getY());
		return ang;
	}

	private Cluster getCluster2(Bibliotekon bibliotekon, Entity entityMutable) {
		for (Cluster cl : bibliotekon.allCluster())
			if (cl.getGroups().contains(entityMutable))
				return cl;

		throw new IllegalArgumentException();
	}

	public SvekEdge(Link link, ISkinParam skinParam, StringBounder stringBounder, FontConfiguration font,
			Bibliotekon bibliotekon, Pragma pragma, GraphvizVersion graphvizVersion) {
		super(link, skinParam, bibliotekon);
		// ::comment when __CORE__
		if (graphvizVersion.useShieldForQuantifier() && link.getLinkArg().getQuantifier1() != null)
			link.getEntity1().ensureMargins(Margins.uniform(16));

		if (graphvizVersion.useShieldForQuantifier() && link.getLinkArg().getQuantifier2() != null)
			link.getEntity2().ensureMargins(Margins.uniform(16));

		if (link.getLinkArg().getKal1() != null)
			this.kal1 = new Kal(this, link.getLinkArg().getKal1(), font, skinParam, (Entity) link.getEntity1(), link,
					stringBounder);

		if (link.getLinkArg().getKal2() != null)
			this.kal2 = new Kal(this, link.getLinkArg().getKal2(), font, skinParam, (Entity) link.getEntity2(), link,
					stringBounder);

		this.useRankSame = skinParam.useRankSame();
		this.startUid = link.getEntityPort1(bibliotekon);
		this.endUid = link.getEntityPort2(bibliotekon);

		Cluster ltail = null;
		if (startUid.startsWith(Cluster.CENTER_ID))
			ltail = getCluster2(bibliotekon, link.getEntity1());

		Cluster lhead = null;
		if (endUid.startsWith(Cluster.CENTER_ID))
			lhead = getCluster2(bibliotekon, link.getEntity2());

		if (link.getColors() != null) {
			skinParam = link.getColors().mute(skinParam);
			font = font.mute(link.getColors());
		}
		this.backgroundColor = skinParam.getBackgroundColor();
		this.defaultThickness = skinParam.getThickness(LineParam.arrow, null);
		this.arrowLollipopColor = skinParam.getHtmlColor(ColorParam.arrowLollipop, null, false);
		if (arrowLollipopColor == null)
			this.arrowLollipopColor = backgroundColor;

		this.pragma = pragma;
		this.stringBounder = stringBounder;
		this.ltail = ltail;
		this.lhead = lhead;

		this.lineColor = bibliotekon.getColorSequence().getValue();
		this.noteLabelColor = bibliotekon.getColorSequence().getValue();
		this.startTailColor = bibliotekon.getColorSequence().getValue();
		this.endHeadColor = bibliotekon.getColorSequence().getValue();

		TextBlock labelOnly;
		if (Display.isNull(link.getLabel())) {
			labelOnly = TextBlockUtils.EMPTY_TEXT_BLOCK;
			if (getLinkArrow() != LinkArrow.NONE_OR_SEVERAL)
				labelOnly = StringWithArrow.addMagicArrow(labelOnly, this, font);

		} else {
			final HorizontalAlignment alignment = getMessageTextAlignment(diagramType(), skinParam);
			final boolean hasSeveralGuideLines = link.getLabel().hasSeveralGuideLines();
			final TextBlock block;
			if (hasSeveralGuideLines)
				block = StringWithArrow.addSeveralMagicArrows(link.getLabel(), this, font, alignment, skinParam);
			else
				block = link.getLabel().create0(font, alignment, skinParam, skinParam.maxMessageSize(),
						CreoleMode.SIMPLE_LINE, null, null);

			labelOnly = addVisibilityModifier(block, link, skinParam);
			if (getLinkArrow() != LinkArrow.NONE_OR_SEVERAL && hasSeveralGuideLines == false)
				labelOnly = StringWithArrow.addMagicArrow(labelOnly, this, font);

		}

		final CucaNote note = link.getNote();
		if (note == null) {
			labelText = labelOnly;
		} else {
			final TextBlock noteOnly = new EntityImageNoteLink(note.getDisplay(), note.getColors(), skinParam,
					link.getStyleBuilder());
			if (note.getStrategy() == NoteLinkStrategy.HALF_NOT_PRINTED
					|| note.getStrategy() == NoteLinkStrategy.HALF_PRINTED_FULL)
				divideLabelWidthByTwo = true;

			if (note.getPosition() == Position.LEFT)
				labelText = TextBlockUtils.mergeLR(noteOnly, labelOnly, VerticalAlignment.CENTER);
			else if (note.getPosition() == Position.RIGHT)
				labelText = TextBlockUtils.mergeLR(labelOnly, noteOnly, VerticalAlignment.CENTER);
			else if (note.getPosition() == Position.TOP)
				labelText = TextBlockUtils.mergeTB(noteOnly, labelOnly, HorizontalAlignment.CENTER);
			else
				labelText = TextBlockUtils.mergeTB(labelOnly, noteOnly, HorizontalAlignment.CENTER);

		}

		if (link.getQuantifier1() == null)
			startTailText = null;
		else
			startTailText = Display.getWithNewlines(link.getQuantifier1()).create(font, HorizontalAlignment.CENTER,
					skinParam);

		if (link.getQuantifier2() == null)
			endHeadText = null;
		else
			endHeadText = Display.getWithNewlines(link.getQuantifier2()).create(font, HorizontalAlignment.CENTER,
					skinParam);

		if (link.getType().getMiddleDecor() == LinkMiddleDecor.NONE)
			this.labelShield = 0;
		else
			this.labelShield = 7;

	}

	private Kal kal1;
	private Kal kal2;

	private TextBlock addVisibilityModifier(TextBlock block, Link link, ISkinParam skinParam) {
		final VisibilityModifier visibilityModifier = link.getVisibilityModifier();
		if (visibilityModifier != null) {
			final Rose rose = new Rose();
			final HColor fore = rose.getHtmlColor(skinParam, visibilityModifier.getForeground());
			TextBlock visibility = visibilityModifier.getUBlock(skinParam.classAttributeIconSize(), fore, null, false);
			visibility = TextBlockUtils.withMargin(visibility, 0, 1, 2, 0);
			block = TextBlockUtils.mergeLR(visibility, block, VerticalAlignment.CENTER);
		}
		final double marginLabel = startUid.equalsId(endUid) ? 6 : 1;
		return TextBlockUtils.withMargin(block, marginLabel, marginLabel);
	}

	private HorizontalAlignment getMessageTextAlignment(UmlDiagramType umlDiagramType, ISkinParam skinParam) {
		if (umlDiagramType == UmlDiagramType.STATE)
			return skinParam.getHorizontalAlignment(AlignmentParam.stateMessageAlignment, null, false, null);

		return skinParam.getDefaultTextAlignment(HorizontalAlignment.CENTER);
	}

	public boolean hasNoteLabelText() {
		return labelText != null && labelText != TextBlockUtils.EMPTY_TEXT_BLOCK;
	}

	private LinkArrow getLinkArrow() {
		return link.getLinkArrow();
	}

	// ::comment when __CORE__
	public void appendLine(GraphvizVersion graphvizVersion, StringBuilder sb, DotMode dotMode, DotSplines dotSplines) {
		// Log.println("inverted=" + isInverted());
		// if (isInverted()) {
		// sb.append(endUid);
		// sb.append("->");
		// sb.append(startUid);
		// } else {
		sb.append(startUid.getFullString());
		sb.append("->");
		sb.append(endUid.getFullString());
		// }
		sb.append("[");
		final LinkType linkType = link.getTypePatchCluster();
		String decoration = linkType.getSpecificDecorationSvek(getLinkStrategy());
		if (decoration.length() > 0 && decoration.endsWith(",") == false)
			decoration += ",";

		sb.append(decoration);

		int length = link.getLength();
		if (graphvizVersion.ignoreHorizontalLinks() && length == 1)
			length = 2;

		if (useRankSame) {
			if (pragma.horizontalLineBetweenDifferentPackageAllowed() || link.isInvis() || length != 1) {
				// if (graphvizVersion.isJs() == false) {
				sb.append("minlen=" + (length - 1));
				sb.append(",");
				// }
			}
		} else {
			sb.append("minlen=" + (length - 1));
			sb.append(",");
		}
		sb.append("color=\"" + StringUtils.sharp000000(lineColor) + "\"");
		if (hasNoteLabelText() || link.getLinkConstraint() != null) {
			sb.append(",");
			if (graphvizVersion.useXLabelInsteadOfLabel() || dotMode == DotMode.NO_LEFT_RIGHT_AND_XLABEL
					|| dotSplines == DotSplines.ORTHO) {
				sb.append("xlabel=<");
			} else {
				sb.append("label=<");
			}
			XDimension2D dimNote = hasNoteLabelText() ? labelText.calculateDimension(stringBounder) : CONSTRAINT_SPOT;
			dimNote = dimNote.delta(2 * labelShield);

			appendTable(sb, eventuallyDivideByTwo(dimNote), noteLabelColor, graphvizVersion);
			sb.append(">");
		}

		if (startTailText != null) {
			sb.append(",");
			sb.append("taillabel=<");
			appendTable(sb, startTailText.calculateDimension(stringBounder), startTailColor, graphvizVersion);
			sb.append(">");
		}
		if (endHeadText != null) {
			sb.append(",");
			sb.append("headlabel=<");
			appendTable(sb, endHeadText.calculateDimension(stringBounder), endHeadColor, graphvizVersion);
			sb.append(">");
		}

		if (link.isInvis()) {
			sb.append(",");
			sb.append("style=invis");
		}

		if (link.isConstraint() == false || link.hasTwoEntryPointsSameContainer())
			sb.append(",constraint=false");

		if (link.getSametail() != null)
			sb.append(",sametail=" + link.getSametail());

		sb.append("];");
		SvekUtils.println(sb);
	}

	private XDimension2D eventuallyDivideByTwo(XDimension2D dim) {
		if (divideLabelWidthByTwo)
			return new XDimension2D(dim.getWidth() / 2, dim.getHeight());

		return dim;
	}

	public String rankSame() {
		// if (graphvizVersion == GraphvizVersion.V2_34_0) {
		// return null;
		// }
		if (pragma.horizontalLineBetweenDifferentPackageAllowed() == false && link.getLength() == 1
		/* && graphvizVersion.isJs() == false */) {
			return "{rank=same; " + getStartUidPrefix() + "; " + getEndUidPrefix() + "}";
		}
		return null;
	}

	public static void appendTable(StringBuilder sb, XDimension2D dim, int col, GraphvizVersion graphvizVersion) {
		final int w = (int) dim.getWidth();
		final int h = (int) dim.getHeight();
		appendTable(sb, w, h, col);
	}

	public static void appendTable(StringBuilder sb, int w, int h, int col) {
		sb.append("");
		sb.append("");
		sb.append("");
		sb.append("");
		sb.append("");
		sb.append("
"); } public final String getStartUidPrefix() { return startUid.getPrefix(); } public final String getEndUidPrefix() { return endUid.getPrefix(); } private UDrawable getExtremitySpecial(XPoint2D center, LinkDecor decor, double angle, Cluster cluster, SvekNode nodeContact) { final ExtremityFactory extremityFactory = decor.getExtremityFactoryLegacy(backgroundColor); return extremityFactory.createUDrawable(center, angle, null); } private UDrawable getExtremitySimplier(XPoint2D center, ExtremityFactory extremityFactory, double angle, Cluster cluster, SvekNode nodeContact, boolean isStart, Kal kal) { if (extremityFactory == null) return null; Side side = null; if (nodeContact != null) side = nodeContact.getRectangleArea().getClosestSide(center); final UTranslate translateForKal; if (kal == null) { translateForKal = new UTranslate(0, 0); } else { translateForKal = kal.getTranslateForDecoration(); center = translateForKal.getTranslated(center); } final Extremity extremity = (Extremity) extremityFactory.createUDrawable(center, angle, side); final double decorationLength = extremity.getDecorationLength(); if (isStart) dotPath.moveStartPoint( translateForKal.compose(new UTranslate(decorationLength, 0).rotate(angle - Math.PI))); else dotPath.moveEndPoint(translateForKal.compose(new UTranslate(decorationLength, 0).rotate(angle - Math.PI))); return extremity; } private UDrawable getExtremity(final XPoint2D center, LinkDecor decor, PointListIterator pointListIterator, double angle, Cluster cluster, SvekNode nodeContact) { final ExtremityFactory extremityFactory = decor.getExtremityFactoryLegacy(backgroundColor); if (cluster != null) { if (extremityFactory != null) { // System.err.println("angle=" + angle * 180 / Math.PI); return extremityFactory.createUDrawable(center, angle, null); } if (decor == LinkDecor.EXTENDS) return new ExtremityFactoryExtends(backgroundColor).createUDrawable(center, angle, null); return null; } if (extremityFactory != null) { final List points = pointListIterator.next(); if (points.size() == 0) return null; // throw new IllegalStateException(); // return extremityFactory.createUDrawable(center, angle, null); final XPoint2D p0 = points.get(0); final XPoint2D p1 = points.get(1); final XPoint2D p2 = points.get(2); Side side = null; if (nodeContact != null) side = nodeContact.getRectangleArea().getClosestSide(p1); return extremityFactory.createTBRDrawableLegacy(p0, p1, p2, side); } else if (decor == LinkDecor.NONE) { final UPolygon sh = new UPolygon(pointListIterator.cloneMe().next()); final XPoint2D contact = sh.checkMiddleContactForSpecificTriangle(center); if (contact != null) { return new UDrawable() { public void drawU(UGraphic ug) { ULine line = new ULine(contact.getX() - center.getX(), contact.getY() - center.getY()); ug = ug.apply(UTranslate.point(center)); ug.draw(line); } }; } } else if (decor != LinkDecor.NONE) { final UPolygon sh = new UPolygon(pointListIterator.next()); return new ExtremityOther(sh); } return null; } public void solveLine(SvgResult fullSvg) { if (this.link.isInvis()) return; int idx = fullSvg.getIndexFromColor(this.lineColor); if (idx == -1) { return; // throw new IllegalStateException(); } idx = fullSvg.indexOf("d=\"", idx); if (idx == -1) throw new IllegalStateException(); final int end = fullSvg.indexOf("\"", idx + 3); final SvgResult path = fullSvg.substring(idx + 3, end); if (path.isPathConsistent() == false) return; dotPath = path.toDotPath(); final XPoint2D tmpStartPoint = dotPath.getStartPoint(); final XPoint2D tmpEndPoint = dotPath.getEndPoint(); final SvekNode svekNode1 = getSvekNode1(); final SvekNode svekNode2 = getSvekNode2(); if (svekNode1 != null && svekNode2 != null) { final XPoint2D tmpPos1 = svekNode1.getRectangleArea().getPointCenter(); final XPoint2D tmpPos2 = svekNode2.getRectangleArea().getPointCenter(); final double normal = tmpStartPoint.distance(tmpPos1) + tmpEndPoint.distance(tmpPos2); final double inversed = tmpStartPoint.distance(tmpPos2) + tmpEndPoint.distance(tmpPos1); // Sometime, GraphViz inverses the result line. if (inversed < normal) // So we reverse the inversion... dotPath = dotPath.reverse(); } // Used for Kal dotPathInit = dotPath.copy(); if (projectionCluster != null) { // System.err.println("Line::solveLine1 projectionCluster=" + // projectionCluster.getClusterPosition()); projectionCluster.manageEntryExitPoint(stringBounder); // System.err.println("Line::solveLine2 projectionCluster=" + // projectionCluster.getClusterPosition()); // if (lhead != null) // System.err.println("Line::solveLine ltail=" + lhead.getClusterPosition()); // if (ltail != null) // System.err.println("Line::solveLine ltail=" + ltail.getClusterPosition()); } dotPath = dotPath.simulateCompound(lhead == null ? null : lhead.getRectangleArea(), ltail == null ? null : ltail.getRectangleArea()); final SvgResult lineSvg = fullSvg.substring(end); PointListIterator pointListIterator = null; final LinkType linkType = link.getType(); if (getLinkStrategy() == LinkStrategy.SIMPLIER) { this.extremity1 = getExtremitySimplier(dotPath.getStartPoint(), linkType.getDecor2().getExtremityFactoryComplete(backgroundColor), dotPath.getStartAngle() + Math.PI, ltail, svekNode1, true, kal1); this.extremity2 = getExtremitySimplier(dotPath.getEndPoint(), linkType.getDecor1().getExtremityFactoryComplete(backgroundColor), dotPath.getEndAngle(), lhead, svekNode2, false, kal2); } else { pointListIterator = lineSvg.getPointsWithThisColor(lineColor); if (link.getLength() == 1 && isThereTwo(linkType) && count(pointListIterator.cloneMe()) == 2) { // Sorry, this is ugly because of // https://github.com/plantuml/plantuml/issues/1353 final List points = pointListIterator.next(); final XPoint2D p1 = points.get(1); XPoint2D startPoint = dotPath.getStartPoint(); XPoint2D endPoint = dotPath.getEndPoint(); if (p1.distance(startPoint) < p1.distance(endPoint)) startPoint = p1; else endPoint = p1; this.extremity1 = getExtremitySpecial(startPoint, linkType.getDecor2(), dotPath.getStartAngle() + Math.PI, ltail, svekNode1); this.extremity2 = getExtremitySpecial(endPoint, linkType.getDecor1(), dotPath.getEndAngle(), lhead, svekNode2); } else { this.extremity1 = getExtremity(dotPath.getStartPoint(), linkType.getDecor2(), pointListIterator, dotPath.getStartAngle() + Math.PI, ltail, svekNode1); this.extremity2 = getExtremity(dotPath.getEndPoint(), linkType.getDecor1(), pointListIterator, dotPath.getEndAngle(), lhead, svekNode2); } } if (link.getEntity1().getLeafType() == LeafType.LOLLIPOP_HALF) svekNode1.addImpact(dotPath.getStartAngle() + Math.PI); if (link.getEntity2().getLeafType() == LeafType.LOLLIPOP_HALF) svekNode2.addImpact(dotPath.getEndAngle()); if (getLinkStrategy() == LinkStrategy.LEGACY_toberemoved && extremity1 instanceof Extremity && extremity2 instanceof Extremity) { final XPoint2D p1 = ((Extremity) extremity1).somePoint(); final XPoint2D p2 = ((Extremity) extremity2).somePoint(); if (p1 != null && p2 != null) { // http://plantuml.sourceforge.net/qa/?qa=4240/some-relations-point-wrong-direction-when-the-linetype-ortho final double dist1start = p1.distance(dotPath.getStartPoint()); final double dist1end = p1.distance(dotPath.getEndPoint()); final double dist2start = p2.distance(dotPath.getStartPoint()); final double dist2end = p2.distance(dotPath.getEndPoint()); if (dist1start > dist1end && dist2end > dist2start) { pointListIterator = lineSvg.getPointsWithThisColor(lineColor); this.extremity2 = getExtremity(dotPath.getEndPoint(), linkType.getDecor1(), pointListIterator, dotPath.getEndAngle(), lhead, svekNode2); this.extremity1 = getExtremity(dotPath.getStartPoint(), linkType.getDecor2(), pointListIterator, dotPath.getStartAngle() + Math.PI, ltail, svekNode1); } } } if (hasNoteLabelText() || link.getLinkConstraint() != null) { final XPoint2D pos = getXY(fullSvg, this.noteLabelColor); if (pos != null) { // corner1.manage(pos); this.labelXY = hasNoteLabelText() ? TextBlockUtils.asPositionable(labelText, stringBounder, pos) : TextBlockUtils.asPositionable(CONSTRAINT_SPOT, stringBounder, pos); } } if (this.startTailText != null) { final XPoint2D pos = getXY(fullSvg, this.startTailColor); if (pos != null) { // corner1.manage(pos); this.startTailLabelXY = TextBlockUtils.asPositionable(startTailText, stringBounder, pos); } } if (this.endHeadText != null) { final XPoint2D pos = getXY(fullSvg, this.endHeadColor); if (pos != null) { // corner1.manage(pos); this.endHeadLabelXY = TextBlockUtils.asPositionable(endHeadText, stringBounder, pos); // corner1.manage(pos.getX() - 15, pos.getY()); } } if (isOpalisable() == false) setOpale(false); } private boolean isThereTwo(final LinkType linkType) { return linkType.getDecor2().getExtremityFactoryLegacy(backgroundColor) != null && linkType.getDecor1().getExtremityFactoryLegacy(backgroundColor) != null; } private int count(PointListIterator it) { int nb = 0; while (it.hasNext()) { it.next(); nb++; } return nb; } private SvekNode getSvekNode2() { return bibliotekon.getNode(link.getEntity2()); } private SvekNode getSvekNode1() { return bibliotekon.getNode(link.getEntity1()); } private Cluster getSvekCluster1() { return bibliotekon.getCluster(link.getEntity1()); } private Cluster getSvekCluster2() { return bibliotekon.getCluster(link.getEntity2()); } private boolean isOpalisable() { return dotPath.getBeziers().size() <= 1; } private XPoint2D getXY(SvgResult svgResult, int color) { final int idx = svgResult.getIndexFromColor(color); if (idx == -1) return null; return SvekUtils.getMinXY(svgResult.substring(idx).extractList(SvgResult.POINTS_EQUALS)); } private StyleSignature getDefaultStyleDefinition(Stereotype stereotype) { final StyleSignature result = StyleSignatureBasic.of(SName.root, SName.element, diagramType().getStyleName(), SName.arrow); return result.withTOBECHANGED(stereotype); } private Set ids; public void setSharedIds(Set ids) { this.ids = ids; } @DuplicateCode(reference = "MyElkPath") public void drawU(UGraphic ug) { if (opale) return; if (link.isInvis()) return; if (dotPath == null) { Log.info("DotPath is null for " + this); return; } ug.draw(link.commentForSvg()); final Map typeIDent = new EnumMap<>(UGroupType.class); typeIDent.put(UGroupType.CLASS, "link " + link.getEntity1().getName() + " " + link.getEntity2().getName() + " selected"); typeIDent.put(UGroupType.ID, "link_" + link.getEntity1().getName() + "_" + link.getEntity2().getName()); ug.startGroup(typeIDent); double x = 0; double y = 0; final Url url = link.getUrl(); if (url != null) ug.startUrl(url); if (link.isAutoLinkOfAGroup()) { final Cluster cl = bibliotekon.getCluster((Entity) link.getEntity1()); if (cl != null) { x += cl.getRectangleArea().getWidth(); x -= dotPath.getStartPoint().getX() - cl.getRectangleArea().getMinX(); } } x += dx; y += dy; final StyleBuilder currentStyleBuilder = this.getCurrentStyleBuilder(); final Style styleLine = getDefaultStyleDefinition(this.getStereotype()).getMergedStyle(currentStyleBuilder); final UStroke suggestedStroke = styleLine.getStroke(); final Rainbow rainbow = Rainbow.build(styleLine, this.skinParam.getIHtmlColorSet()); // Warning: duplicated from SmetanaPath and SvekEdge HColor arrowHeadColor = rainbow.getArrowHeadColor(); HColor color = rainbow.getColor(); if (this.link.getColors() != null) { final HColor newColor = this.link.getColors().getColor(ColorType.ARROW, ColorType.LINE); if (newColor != null) { color = newColor; arrowHeadColor = color; } } else if (this.link.getSpecificColor() != null) { color = this.link.getSpecificColor(); arrowHeadColor = color; } ug = ug.apply(HColors.none().bg()).apply(color); final LinkType linkType = link.getType(); UStroke stroke; if (suggestedStroke == null || linkType.getStyle().isNormal() == false) stroke = linkType.getStroke3(defaultThickness); else stroke = linkType.getStroke3(suggestedStroke); if (link.getColors() != null && link.getColors().getSpecificLineStroke() != null) stroke = link.getColors().getSpecificLineStroke(); ug = ug.apply(stroke); DotPath todraw = dotPath.copy(); UTranslate magneticForce1 = UTranslate.none(); if (getSvekNode1() != null) { final MagneticBorder magneticBorder1 = getSvekNode1().getMagneticBorder(); magneticForce1 = magneticBorder1.getForceAt(ug.getStringBounder(), todraw.getStartPoint().move(dx, dy)); todraw.moveStartPoint(magneticForce1); } else if (getSvekCluster1() != null) { final MagneticBorder magneticBorder1 = getSvekCluster1().getMagneticBorder(); magneticForce1 = magneticBorder1.getForceAt(ug.getStringBounder(), todraw.getStartPoint().move(dx, dy)); todraw.moveStartPoint(magneticForce1); } UTranslate magneticForce2 = UTranslate.none(); if (getSvekNode2() != null) { final MagneticBorder magneticBorder2 = getSvekNode2().getMagneticBorder(); magneticForce2 = magneticBorder2.getForceAt(ug.getStringBounder(), todraw.getEndPoint().move(dx, dy)); todraw.moveEndPoint(magneticForce2); } else if (getSvekCluster2() != null) { final MagneticBorder magneticBorder2 = getSvekCluster2().getMagneticBorder(); magneticForce2 = magneticBorder2.getForceAt(ug.getStringBounder(), todraw.getEndPoint().move(dx, dy)); todraw.moveEndPoint(magneticForce2); } todraw.setCommentAndCodeLine(uniq(ids, link.idCommentForSvg()), link.getCodeLine()); drawRainbow(ug.apply(new UTranslate(x, y)), color, arrowHeadColor, todraw, link.getSupplementaryColors(), stroke, magneticForce1, magneticForce2); ug = ug.apply(UStroke.simple()).apply(color); if (hasNoteLabelText() && this.labelXY != null && (link.getNote() == null || link.getNote().getStrategy() != NoteLinkStrategy.HALF_NOT_PRINTED)) this.labelText.drawU(ug.apply(new UTranslate(x + this.labelXY.getPosition().getX() + labelShield, y + this.labelXY.getPosition().getY() + labelShield))); if (this.startTailText != null && this.startTailLabelXY != null && this.startTailLabelXY.getPosition() != null) this.startTailText.drawU(ug.apply(new UTranslate(x + this.startTailLabelXY.getPosition().getX(), y + this.startTailLabelXY.getPosition().getY()))); if (this.endHeadText != null && this.endHeadLabelXY != null && this.endHeadLabelXY.getPosition() != null) this.endHeadText.drawU(ug.apply(new UTranslate(x + this.endHeadLabelXY.getPosition().getX(), y + this.endHeadLabelXY.getPosition().getY()))); if (linkType.getMiddleDecor() != LinkMiddleDecor.NONE) { final PointAndAngle middle = dotPath.getMiddle(); final double angleRad = middle.getAngle(); final double angleDeg = -angleRad * 180.0 / Math.PI; final UDrawable mi = linkType.getMiddleDecor().getMiddleFactory(arrowLollipopColor, backgroundColor) .createUDrawable(angleDeg - 45); mi.drawU(ug.apply(new UTranslate(x + middle.getX(), y + middle.getY()))); } if (url != null) ug.closeUrl(); if (link.getLinkConstraint() != null) { final double xConstraint = x + this.labelXY.getPosition().getX(); final double yConstraint = y + this.labelXY.getPosition().getY(); // ug.apply(new UTranslate(xConstraint, yConstraint)).draw(URectangle.build(10, 10)); final List square = getSquare(xConstraint, yConstraint); final Set bez = todraw.sample(); XPoint2D minPt = null; double minDist = Double.MAX_VALUE; for (XPoint2D pt : square) for (XPoint2D pt2 : bez) { final double distance = pt2.distance(pt); if (minPt == null || distance < minDist) { minPt = pt; minDist = distance; } } link.getLinkConstraint().setPosition(link, minPt); link.getLinkConstraint().drawMe(ug, skinParam); } ug.closeGroup(); } public void computeKal() { if (kal1 != null) { final UTranslate tr = UTranslate.point(dotPathInit.getStartPoint()).compose(new UTranslate(dx, dy)); kal1.setTranslate(tr, extremity1); } if (kal2 != null) { final UTranslate tr = UTranslate.point(dotPathInit.getEndPoint()).compose(new UTranslate(dx, dy)); kal2.setTranslate(tr, extremity2); } } private List getSquare(double x, double y) { final List result = new ArrayList<>(); result.add(new XPoint2D(x, y)); result.add(new XPoint2D(x + 5, y)); result.add(new XPoint2D(x + 10, y)); result.add(new XPoint2D(x, y + 5)); result.add(new XPoint2D(x + 10, y + 5)); result.add(new XPoint2D(x, y + 10)); result.add(new XPoint2D(x + 5, y + 10)); result.add(new XPoint2D(x + 10, y + 10)); return result; } private String uniq(final Set ids, final String comment) { boolean changed = ids.add(comment); if (changed) return comment; int i = 1; while (true) { final String candidate = comment + "-" + i; changed = ids.add(candidate); if (changed) return candidate; i++; } } private void drawRainbow(UGraphic ug, HColor color, HColor headColor, DotPath todraw, List supplementaryColors, UStroke stroke, UTranslate magneticForce1, UTranslate magneticForce2) { ug.draw(todraw); final LinkType linkType = link.getType(); if (headColor.isTransparent()) { if (this.extremity1 instanceof ExtremityArrow) { final UGraphic ugHead = ug.apply(color).apply(stroke.onlyThickness()); ((ExtremityArrow) this.extremity1).drawLineIfTransparent(ugHead.apply(magneticForce1)); } } else if (this.extremity1 != null) { UGraphic ugHead = ug.apply(headColor).apply(stroke.onlyThickness()); if (linkType.getDecor2().isFill()) ugHead = ugHead.apply(color.bg()); else ugHead = ugHead.apply(HColors.none().bg()); this.extremity1.drawU(ugHead.apply(magneticForce1)); } if (headColor.isTransparent()) { if (this.extremity2 instanceof ExtremityArrow) { final UGraphic ugHead = ug.apply(color).apply(stroke.onlyThickness()); ((ExtremityArrow) this.extremity2).drawLineIfTransparent(ugHead.apply(magneticForce2)); } } else if (this.extremity2 != null) { UGraphic ugHead = ug.apply(headColor).apply(stroke.onlyThickness()); if (linkType.getDecor1().isFill()) ugHead = ugHead.apply(color.bg()); else ugHead = ugHead.apply(HColors.none().bg()); this.extremity2.drawU(ugHead.apply(magneticForce2)); } int i = 0; for (Colors colors : supplementaryColors) { ug.apply(new UTranslate(2 * (i + 1), 2 * (i + 1))).apply(colors.getColor(ColorType.LINE)).draw(todraw); i++; } } public boolean isInverted() { return link.isInverted(); } private double getDecorDzeta() { final LinkType linkType = link.getType(); final int size1 = linkType.getDecor1().getMargin(); final int size2 = linkType.getDecor2().getMargin(); return size1 + size2; } public double getHorizontalDzeta(StringBounder stringBounder) { if (startUid.equalsId(endUid)) return getDecorDzeta(); final ArithmeticStrategy strategy; if (isHorizontal()) strategy = new ArithmeticStrategySum(); else return 0; if (hasNoteLabelText()) strategy.eat(labelText.calculateDimension(stringBounder).getWidth()); if (startTailText != null) strategy.eat(startTailText.calculateDimension(stringBounder).getWidth()); if (endHeadText != null) strategy.eat(endHeadText.calculateDimension(stringBounder).getWidth()); return strategy.getResult() + getDecorDzeta(); } private boolean isHorizontal() { return link.getLength() == 1; } public double getVerticalDzeta(StringBounder stringBounder) { if (startUid.equalsId(endUid)) return getDecorDzeta(); if (isHorizontal()) return 0; final ArithmeticStrategy strategy = new ArithmeticStrategySum(); if (hasNoteLabelText()) strategy.eat(labelText.calculateDimension(stringBounder).getHeight()); if (startTailText != null) strategy.eat(startTailText.calculateDimension(stringBounder).getHeight()); if (endHeadText != null) strategy.eat(endHeadText.calculateDimension(stringBounder).getHeight()); return strategy.getResult() + getDecorDzeta(); } public void manageCollision(Collection allNodes) { for (SvekNode sh : allNodes) { final Positionable cl = PositionableUtils.addMargin(sh, 8, 8); if (startTailText != null && startTailLabelXY != null && PositionableUtils.intersect(cl, startTailLabelXY)) startTailLabelXY = PositionableUtils.moveAwayFrom(cl, startTailLabelXY); if (endHeadText != null && endHeadLabelXY != null && PositionableUtils.intersect(cl, endHeadLabelXY)) endHeadLabelXY = PositionableUtils.moveAwayFrom(cl, endHeadLabelXY); } } private XPoint2D avoid2(XPoint2D move, Positionable pos, SvekNode sh) { final Oscillator oscillator = new Oscillator(); final XPoint2D orig = new XPoint2D(move.x, move.y); while (cut(pos, sh)) { final XPoint2D m = oscillator.nextPosition(); move = new XPoint2D(orig.x + m.x, orig.y + m.y); } return move; } private boolean cut(Positionable pos, SvekNode sh) { return BezierUtils.intersect(pos, sh) || tooClose(pos); } private boolean tooClose(Positionable pos) { final double dist = dotPath.getMinDist(BezierUtils.getCenter(pos)); final XDimension2D dim = pos.getSize(); // Log.println("dist=" + dist); return dist < (dim.getWidth() / 2 + 2) || dist < (dim.getHeight() / 2 + 2); } public void moveDelta(double deltaX, double deltaY) { this.dx += deltaX; this.dy += deltaY; } public final DotPath getDotPath() { final DotPath result = dotPath.copy(); result.moveDelta(dx, dy); return result; } public int getLength() { return link.getLength(); } public void setOpale(boolean opale) { this.link.setOpale(opale); this.opale = opale; } public boolean isOpale() { return opale; } public boolean isHorizontalSolitary() { return link.isHorizontalSolitary(); } public boolean isLinkFromOrTo(Entity group) { return link.getEntity1() == group || link.getEntity2() == group; } public boolean hasEntryPoint() { return link.hasEntryPoint(); } public void setProjectionCluster(Cluster cluster) { this.projectionCluster = cluster; } public boolean isHidden() { return link.isHidden(); } public boolean sameConnections(SvekEdge other) { return link.sameConnections(other.link); } private boolean isAutolink() { return link.getEntity1() == link.getEntity2(); } public XPoint2D getMyPoint(Entity entity) { if (link.getEntity1() == entity) return moveDelta(dotPath.getStartPoint()); if (link.getEntity2() == entity) return moveDelta(dotPath.getEndPoint()); throw new IllegalArgumentException(); } private XPoint2D moveDelta(XPoint2D pt) { return new UTranslate(dx, dy).getTranslated(pt); // return new XPoint2D(pt.getX() + dx, pt.getY() + dy); } public boolean isLink(Link link) { return this.link == link; } public XPoint2D getStartContactPoint() { if (dotPath == null) return null; final XPoint2D start = dotPath.getStartPoint(); if (start == null) return null; return new UTranslate(dx, dy).getTranslated(start); // return new XPoint2D(dx + start.getX(), dy + start.getY()); } public XPoint2D getEndContactPoint() { final XPoint2D end = dotPath.getEndPoint(); if (end == null) return null; return new UTranslate(dx, dy).getTranslated(end); // return new XPoint2D(dx + end.getX(), dy + end.getY()); } public StyleBuilder getCurrentStyleBuilder() { return link.getStyleBuilder(); } public Stereotype getStereotype() { return link.getStereotype(); } public void moveStartPoint(double dx, double dy) { dotPath.moveStartPoint(dx, dy); dotPathInit.moveStartPoint(dx, dy); } public void moveEndPoint(double dx, double dy) { dotPath.moveEndPoint(dx, dy); dotPathInit.moveEndPoint(dx, dy); } }




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