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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:
 *
 * 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 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.cucadiagram;

import java.util.EnumMap;
import java.util.Map;

import net.sourceforge.plantuml.klimt.LineBreakStrategy;
import net.sourceforge.plantuml.klimt.creole.Display;
import net.sourceforge.plantuml.klimt.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.style.ISkinSimple;
import net.sourceforge.plantuml.style.Style;

public class DisplaySection {

	private final Map map = new EnumMap(
			HorizontalAlignment.class);

	private DisplaySection() {
	}

	public DisplaySection withPage(int page, int lastpage) {
		final DisplaySection result = new DisplaySection();
		for (Map.Entry ent : this.map.entrySet())
			result.map.put(ent.getKey(), ent.getValue().withPage(page, lastpage));

		return result;
	}

	public Display getDisplay() {
		if (map.size() == 0)
			return null;

		return map.values().iterator().next();
	}

	public static DisplaySection none() {
		return new DisplaySection();
	}

	public final HorizontalAlignment getHorizontalAlignment() {
		if (map.size() == 0)
			return HorizontalAlignment.CENTER;

		return map.keySet().iterator().next();
	}

	public boolean isNull() {
		if (map.size() == 0)
			return true;

		final Display display = map.values().iterator().next();
		return Display.isNull(display);
	}

	public TextBlock createRibbon(FontConfiguration fontConfiguration, ISkinSimple spriteContainer, Style style) {
		if (map.size() == 0)
			return null;

		final Display display = map.values().iterator().next();
		if (Display.isNull(display) || display.size() == 0)
			return null;

		if (style != null)
			return style.createTextBlockBordered(display, spriteContainer.getIHtmlColorSet(), spriteContainer, null,
					LineBreakStrategy.NONE);

		return display.create(fontConfiguration, getHorizontalAlignment(), spriteContainer);
	}

	public void putDisplay(Display display, HorizontalAlignment horizontalAlignment) {
		this.map.put(horizontalAlignment, display);

	}

}