net.sourceforge.plantuml.asciiart.ComponentTextSelfArrow Maven / Gradle / Ivy

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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.asciiart;

import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.klimt.creole.Display;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.drawing.txt.UGraphicTxt;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
import net.sourceforge.plantuml.skin.Area;
import net.sourceforge.plantuml.skin.ArrowComponent;
import net.sourceforge.plantuml.skin.ArrowConfiguration;
import net.sourceforge.plantuml.skin.ComponentType;
import net.sourceforge.plantuml.skin.Context2D;

public class ComponentTextSelfArrow extends AbstractComponentText implements ArrowComponent {

	private final ComponentType type;
	private final Display stringsToDisplay;
	private final FileFormat fileFormat;
	private final ArrowConfiguration config;

	public ComponentTextSelfArrow(ComponentType type, ArrowConfiguration config, Display stringsToDisplay,
			FileFormat fileFormat) {
		this.type = type;
		this.stringsToDisplay = ComponentTextArrow.cleanAndManageBoldNumber(stringsToDisplay, fileFormat);
		this.fileFormat = fileFormat;
		this.config = config;
	}

	public void drawU(UGraphic ug, Area area, Context2D context) {
		if (config.isHidden()) {
			return;
		}
		final XDimension2D dimensionToUse = area.getDimensionToUse();
		final UmlCharArea charArea = ((UGraphicTxt) ug).getCharArea();
		final int width = (int) dimensionToUse.getWidth();
		final int height = (int) dimensionToUse.getHeight() - 1;

		charArea.fillRect(' ', 0, 0, width, height);

		if (fileFormat == FileFormat.UTXT) {
			if (config.isDotted()) {
				charArea.drawStringLR("\u2500 \u2500 \u2510", 0, 0);
				charArea.drawStringLR("|", 4, 1);
				charArea.drawStringLR("< \u2500 \u2518", 0, 2);
			} else {
				charArea.drawStringLR("\u2500\u2500\u2500\u2500\u2510", 0, 0);
				charArea.drawStringLR("\u2502", 4, 1);
				charArea.drawStringLR("<\u2500\u2500\u2500\u2518", 0, 2);
			}
		} else if (config.isDotted()) {
			charArea.drawStringLR("- - .", 0, 0);
			charArea.drawStringLR("|", 4, 1);
			charArea.drawStringLR("< - '", 0, 2);
		} else {
			charArea.drawStringLR("----.", 0, 0);
			charArea.drawStringLR("|", 4, 1);
			charArea.drawStringLR("<---'", 0, 2);
		}

		if (fileFormat == FileFormat.UTXT) {
			charArea.drawStringsLRUnicode(stringsToDisplay.asList(), 6, 1);
		} else {
			charArea.drawStringsLRSimple(stringsToDisplay.asList(), 6, 1);
		}
	}

	public double getPreferredHeight(StringBounder stringBounder) {
		return StringUtils.getHeight(stringsToDisplay) + 3;
	}

	public double getPreferredWidth(StringBounder stringBounder) {
		return StringUtils.getWcWidth(stringsToDisplay) + 6;
	}

	public XPoint2D getStartPoint(StringBounder stringBounder, XDimension2D dimensionToUse) {
		return new XPoint2D(0, 0);
	}

	public XPoint2D getEndPoint(StringBounder stringBounder, XDimension2D dimensionToUse) {
		return new XPoint2D(0, 0);
	}

	public double getPaddingY() {
		throw new UnsupportedOperationException();
	}

	public double getYPoint(StringBounder stringBounder) {
		throw new UnsupportedOperationException();
	}

	public double getPosArrow(StringBounder stringBounder) {
		throw new UnsupportedOperationException();
	}

}