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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!)
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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 V2.
 *
 * THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
 * LICENSE ("AGREEMENT"). [GNU General Public License V2]
 *
 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES
 * RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
 *
 * You may obtain a copy of the License at
 *
 * https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * 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 GPL v2 license.
 *
 * The generated images can then be used without any reference to the GPL v2 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.nwdiag.next;

import net.atmp.InnerStrategy;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.MagneticBorder;
import net.sourceforge.plantuml.klimt.geom.MagneticBorderNone;
import net.sourceforge.plantuml.klimt.geom.MinMax;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.geom.XRectangle2D;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.style.ISkinParam;

public class GridTextBlockSimple implements TextBlock {

	public static final double MINIMUM_WIDTH = 70;

	protected final NwArray data;
	private final ISkinParam skinParam;

	public GridTextBlockSimple(int lines, int cols, ISkinParam skinParam) {
		this.skinParam = skinParam;
		this.data = new NwArray(lines, cols);
	}

	protected void drawGrid(UGraphic ug) {
	}

	public void drawU(UGraphic ug) {
		drawGrid(ug);
		final StringBounder stringBounder = ug.getStringBounder();
		double y = 0;
		for (int i = 0; i < data.getNbLines(); i++) {
			final double lineHeight = lineHeight(stringBounder, i);
			double x = 0;
			for (int j = 0; j < data.getNbCols(); j++) {
				final double colWidth = colWidth(stringBounder, j);
				if (data.get(i, j) != null)
					data.get(i, j).drawMe(ug.apply(new UTranslate(x, y)), colWidth, lineHeight);

				x += colWidth;
			}
			y += lineHeight;
		}
	}

	protected double colWidth(StringBounder stringBounder, final int j) {
		double width = 0;
		for (int i = 0; i < data.getNbLines(); i++)
			if (data.get(i, j) != null)
				width = Math.max(width, data.get(i, j).naturalDimension(stringBounder).getWidth());

		return width;
	}

	public double lineHeight(StringBounder stringBounder, final int i) {
		double height = 50;
		for (int j = 0; j < data.getNbCols(); j++)
			if (data.get(i, j) != null)
				height = Math.max(height, data.get(i, j).naturalDimension(stringBounder).getHeight());

		return height;
	}

	public XDimension2D calculateDimension(StringBounder stringBounder) {
		if (data.getNbLines() == 0)
			return new XDimension2D(0, 0);

		double height = 0;
		for (int i = 0; i < data.getNbLines(); i++)
			height += lineHeight(stringBounder, i);

		double width = 0;
		for (int j = 0; j < data.getNbCols(); j++)
			width += colWidth(stringBounder, j);

		return new XDimension2D(Math.max(MINIMUM_WIDTH, width), height);
	}

	public XRectangle2D getInnerPosition(String member, StringBounder stringBounder, InnerStrategy strategy) {
		throw new UnsupportedOperationException("member=" + member + " " + getClass().toString());
	}

	public MinMax getMinMax(StringBounder stringBounder) {
		throw new UnsupportedOperationException(getClass().toString());
	}

	public void add(int i, int j, NServerDraw value) {
		data.set(i, j, value);
	}

	protected final ISkinParam getSkinParam() {
		return skinParam;
	}

	@Override
	public MagneticBorder getMagneticBorder() {
		return new MagneticBorderNone();
	}

	@Override
	public HColor getBackcolor() {
		return null;
	}

}