net.sourceforge.plantuml.klimt.geom.HorizontalAlignment Maven / Gradle / Ivy

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/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 * 
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 * This file is part of PlantUML.
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 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
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 * (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 General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
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 * Original Author:  Arnaud Roques
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 */
package net.sourceforge.plantuml.klimt.geom;

import java.util.Objects;

import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.shape.TextBlock;

public enum HorizontalAlignment {
	LEFT, CENTER, RIGHT;

	public static HorizontalAlignment fromString(String s) {
		if (LEFT.name().equalsIgnoreCase(s))
			return LEFT;

		if (CENTER.name().equalsIgnoreCase(s))
			return CENTER;

		if (RIGHT.name().equalsIgnoreCase(s))
			return RIGHT;

		return null;
	}

	public static HorizontalAlignment fromString(String s, HorizontalAlignment defaultValue) {
		Objects.requireNonNull(defaultValue);
		if (s == null)
			return defaultValue;

		s = StringUtils.goUpperCase(s);
		final HorizontalAlignment result = fromString(s);
		if (result == null)
			return defaultValue;

		return result;
	}

	// ::comment when __HAXE__
	public String getGraphVizValue() {
		return toString().substring(0, 1).toLowerCase();
	}

	public void draw(UGraphic ug, TextBlock tb, double padding, double width) {
		if (this == HorizontalAlignment.LEFT) {
			tb.drawU(ug.apply(new UTranslate(padding, padding)));
		} else if (this == HorizontalAlignment.RIGHT) {
			final XDimension2D dimTb = tb.calculateDimension(ug.getStringBounder());
			tb.drawU(ug.apply(new UTranslate(width - dimTb.getWidth() - padding, padding)));
		} else if (this == HorizontalAlignment.CENTER) {
			final XDimension2D dimTb = tb.calculateDimension(ug.getStringBounder());
			tb.drawU(ug.apply(new UTranslate((width - dimTb.getWidth()) / 2, padding)));
		}

	}
	// ::done

}