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PlantUML is a component that allows to quickly write diagrams from text.
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// 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:
 *
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 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the Apache Software License.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 APACHE license.
 *
 * The generated images can then be used without any reference to the APACHE 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.svek;

import java.util.List;

import net.sourceforge.plantuml.klimt.UStroke;
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.XDimension2D;
import net.sourceforge.plantuml.klimt.shape.AbstractTextBlock;
import net.sourceforge.plantuml.klimt.shape.ULine;
import net.sourceforge.plantuml.stereo.Stereotype;
import net.sourceforge.plantuml.style.ISkinParam;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleSignatureBasic;

public final class ConcurrentStates extends AbstractTextBlock implements IEntityImage {

	private final List inners;
	private final Separator separator;
	private final ISkinParam skinParam;
	private final Stereotype stereotype;

	static enum Separator {
		VERTICAL, HORIZONTAL;

		static Separator fromChar(char sep) {
			if (sep == '|')
				return VERTICAL;

			if (sep == '-')
				return HORIZONTAL;

			throw new IllegalArgumentException();
		}

		UTranslate move(XDimension2D dim) {
			if (this == VERTICAL)
				return UTranslate.dx(dim.getWidth());

			return UTranslate.dy(dim.getHeight());
		}

		XDimension2D add(XDimension2D orig, XDimension2D other) {
			if (this == VERTICAL)
				return new XDimension2D(orig.getWidth() + other.getWidth(),
						Math.max(orig.getHeight(), other.getHeight()));

			return new XDimension2D(Math.max(orig.getWidth(), other.getWidth()), orig.getHeight() + other.getHeight());
		}

		void drawSeparator(UGraphic ug, XDimension2D dimTotal) {
			final double THICKNESS_BORDER = 1.5;
			final int DASH = 8;
			ug = ug.apply(new UStroke(DASH, 10, THICKNESS_BORDER));
			if (this == VERTICAL)
				ug.draw(ULine.vline(dimTotal.getHeight() + DASH));
			else
				ug.draw(ULine.hline(dimTotal.getWidth() + DASH));

		}
	}

	public ConcurrentStates(List inners, char concurrentSeparator, ISkinParam skinParam,
			Stereotype stereotype) {
		this.separator = Separator.fromChar(concurrentSeparator);
		this.skinParam = skinParam;
		this.stereotype = stereotype;
		this.inners = inners;
	}

	private Style getStyle() {
		return getStyleSignature().getMergedStyle(skinParam.getCurrentStyleBuilder());
	}

	private StyleSignatureBasic getStyleSignature() {
		return StyleSignatureBasic.of(SName.root, SName.element, SName.stateDiagram, SName.state);
	}

	public void drawU(UGraphic ug) {
		final HColor borderColor = getStyle().value(PName.LineColor).asColor(skinParam.getIHtmlColorSet());
		final StringBounder stringBounder = ug.getStringBounder();
		final XDimension2D dimTotal = calculateDimension(stringBounder);

		for (int i = 0; i < inners.size(); i++) {
			final IEntityImage inner = inners.get(i);
			inner.drawU(ug);
			final XDimension2D dim = inner.calculateDimension(stringBounder);
			ug = ug.apply(separator.move(dim));
			if (i < inners.size() - 1)
				separator.drawSeparator(ug.apply(borderColor), dimTotal);

		}

	}

	public XDimension2D calculateDimension(StringBounder stringBounder) {
		XDimension2D result = new XDimension2D(0, 0);
		for (IEntityImage inner : inners) {
			final XDimension2D dim = inner.calculateDimension(stringBounder);
			result = separator.add(result, dim);
		}
		return result;
	}

	public HColor getBackcolor() {
		return skinParam.getBackgroundColor();
	}

	public double getOverscanX(StringBounder stringBounder) {
		return 0;
	}

	public boolean isHidden() {
		return false;
	}

	public Margins getShield(StringBounder stringBounder) {
		return Margins.NONE;
	}

	public ShapeType getShapeType() {
		return ShapeType.RECTANGLE;
	}

}