net.sourceforge.plantuml.sequencediagram.graphic.ArrowAndNoteBox Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of plantuml-lgpl Show documentation
PlantUML is a component that allows to quickly write diagrams from text.
There is a newer version: 1.2024.8
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
 * |
 * |      PlantUML : a free UML diagram generator
 * |
 * +=======================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 *
 * If you like this project or if you find it useful, you can support us at:
 *
 * https://plantuml.com/patreon (only 1$ per month!)
 * https://plantuml.com/liberapay (only 1€ per month!)
 * https://plantuml.com/paypal
 *
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see .
 *
 * PlantUML can occasionally display sponsored or advertising messages. Those
 * messages are usually generated on welcome or error images and never on
 * functional diagrams.
 * See https://plantuml.com/professional if you want to remove them
 *
 * Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
 * are owned by the author of their corresponding sources code (that is, their
 * textual description in PlantUML language). Those images are not covered by
 * this LGPL license.
 *
 * The generated images can then be used without any reference to the LGPL license.
 * It is not even necessary to stipulate that they have been generated with PlantUML,
 * although this will be appreciated by the PlantUML team.
 *
 * There is an exception : if the textual description in PlantUML language is also covered
 * by any license, then the generated images are logically covered
 * by the very same license.
 *
 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
 * (see https://plantuml.com/graphviz-dot )
 *
 * Icons provided by OpenIconic :  https://useiconic.com/open
 * Archimate sprites provided by Archi :  http://www.archimatetool.com
 * Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
 * Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
 * ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
 * ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
 * CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
 * Brotli (c) by the Brotli Authors https://github.com/google/brotli
 * Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
 * Twemoji (c) by Twitter at https://twemoji.twitter.com/
 *
 */
package net.sourceforge.plantuml.sequencediagram.graphic;

import java.util.ArrayList;
import java.util.List;

import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.sequencediagram.InGroupable;
import net.sourceforge.plantuml.sequencediagram.NotePosition;
import net.sourceforge.plantuml.skin.Context2D;

class ArrowAndNoteBox extends Arrow implements InGroupable {

	private final Arrow arrow;
	private final List noteBoxes = new ArrayList<>();

	public ArrowAndNoteBox(StringBounder stringBounder, Arrow arrow, List noteBoxes) {
		super(arrow.getStartingY(), arrow.getSkin(), arrow.getArrowComponent(), arrow.getUrl());
		this.arrow = arrow;
		this.noteBoxes.addAll(noteBoxes);

		for (NoteBox noteBox : noteBoxes) {
			final double arrowHeight = arrow.getPreferredHeight(stringBounder);
			final double noteHeight = noteBox.getPreferredHeight(stringBounder);
			final double myHeight = getPreferredHeight(stringBounder);

			final double diffHeightArrow = myHeight - arrowHeight;
			final double diffHeightNote = myHeight - noteHeight;
			if (diffHeightArrow > 0) {
				arrow.pushToDown(diffHeightArrow / 2);
			}
			if (diffHeightNote > 0) {
				noteBox.pushToDown(diffHeightNote / 2);
			}
		}
	}

	@Override
	final public double getArrowOnlyWidth(StringBounder stringBounder) {
		return arrow.getPreferredWidth(stringBounder);
	}

	@Override
	public void setMaxX(double m) {
		super.setMaxX(m);
		arrow.setMaxX(m);
	}

	@Override
	protected void drawInternalU(UGraphic ug, double maxX, Context2D context) {
		arrow.drawU(ug, maxX, context);
		for (NoteBox noteBox : noteBoxes) {
			noteBox.drawU(ug, maxX, context);
		}
	}

	@Override
	public double getPreferredHeight(StringBounder stringBounder) {
		double result = arrow.getPreferredHeight(stringBounder);
		for (NoteBox noteBox : noteBoxes) {
			result = Math.max(result, noteBox.getPreferredHeight(stringBounder));
		}
		return result;
	}

	@Override
	public double getPreferredWidth(StringBounder stringBounder) {
		double w = arrow.getPreferredWidth(stringBounder);
		w = Math.max(w, arrow.getActualWidth(stringBounder));
		double result = w;
		for (NoteBox noteBox : noteBoxes) {
			result += noteBox.getPreferredWidth(stringBounder);
			if (noteBox.getNotePosition() == NotePosition.RIGHT) {
				result += noteBox.getRightShift(arrow.getStartingY());
			}
		}
		return result;
	}

	@Override
	public double getActualWidth(StringBounder stringBounder) {
		return getPreferredWidth(stringBounder);
	}

	@Override
	public double getStartingX(StringBounder stringBounder) {
		double result = arrow.getStartingX(stringBounder);
		for (NoteBox noteBox : noteBoxes) {
			result = Math.min(result, noteBox.getStartingX(stringBounder));
		}
		return result;
	}

	@Override
	public int getDirection(StringBounder stringBounder) {
		return arrow.getDirection(stringBounder);
	}

	@Override
	public double getArrowYStartLevel(StringBounder stringBounder) {
		return arrow.getArrowYStartLevel(stringBounder);
	}

	@Override
	public double getArrowYEndLevel(StringBounder stringBounder) {
		return arrow.getArrowYEndLevel(stringBounder);
	}

	public double getMaxX(StringBounder stringBounder) {
		return getStartingX(stringBounder) + getPreferredWidth(stringBounder);
	}

	public double getMinX(StringBounder stringBounder) {
		return getStartingX(stringBounder);
	}

	public String toString(StringBounder stringBounder) {
		return toString();
	}

	@Override
	public LivingParticipantBox getParticipantAt(StringBounder stringBounder, NotePosition position) {
		return arrow.getParticipantAt(stringBounder, position);
	}

}